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ME381 and MT381 User manual

1. Transition Transition name Description Remote Moves the Disconnect control object from the Disconnected 0 state directly to the S reconnect Connected 1 state without manual intervention b Remote Moves the Disconnect control object from the Connected 1 state to the disconnect Disconnected 0 state Remote Moves the Disconnect control object from the Ready for reconnection 2 state to C disconnect the Disconnected 0 state Remote Moves the Disconnect control object from the Disconnected 0 state to the Ready d for reconnection 2 state From this state it is possible to move to the Connected reconnect l 2 state via the manual reconnect transition e Manual Moves the Disconnect control object from the Ready for connection 2 state to the S reconnect Connected 1 state Manual Moves the Disconnect control object from the Connected 1 state to the Ready for f connection 2 state From this state it is possible to move back to the Connected disconnect l 2 state via the manual reconnect transition e Moves the Disconnect control object from the Connected 1 state to the Ready for Local di t connection 2 state From this state it is possible to move back to the Connected 9 SES e 2 state via the manual reconnect transition e Transitions f and g are essentially the same but their trigger is different Moves the Disconnect control object from the Ready for connection 2 state to the h Local reconne
2. a Manual Reconnect e Connected State 1 Manual Disconnect f f Local Disconnect g Local Reconnect h Figure 60 Relay state transitions Mx381 User manual eng V1 00 doc 75 ISKRAEMECO Tt ME381 and MT381 Mode Description 0 None The disconnect control object is always in connected state Remote b c Disconnection 2 Local g Reconnection Remote a l l Remote b c Disconnection 4 Local g Reconnection Remote a Disconnection REMOTE OG 5 Local g Remote d local h Remote b c Local g Remote d Local h Reconnection Disconnection Reconnection Table 31 Disconnect modes Note To perform the switchover methods described below should be executed remotely or locally Manual transitions are not possible on relay object 0 2 2 OptoMOS output service Service Control registers are used to configure OptoMOS output with maximum capability of 0 1A at 250V Service control terminals are e 33 OptoMOS output e 35 Common ER d ed n s El H Gi Figure 61 Service control terminal To configure service control function an object of COSEM Class Data is introduced Service Control Functionality object define a function of service control If metropulse output function is selected other service control parameters have no influence on behavior of OptoMOS output This o
3. ssesssssseeeeeennene nennen nnne nnne nnn nn 173 6 12 5 Breaker opening counter cccccceeccececeeceeeceeceeceeesaeeceeeseesaeeseeess 173 MP 174 6 13 1 miii 174 6 13 2 Woee E elju 175 Mx381 User manual eng V1 00 doc 6 ISKRAEMECO t ME381 and MT381 7 Technical characteristics ccc cccccccceccecccccccececccceccececceacececuecceneaueaeeneaneneeneanes 181 7 1 MES381 meter 2 0 0 0 ccc ccc ccc cccccccecccccccccccccacccecceceenecceaceuecueceeneaueceeneaueaneneanes 181 7 2 MT381 meter 00 0 0 ccc cece cece cc cccecccceccccccccacececceceenecceccenesueceenecueaeeneaueaneneanes 184 Mx381 User manual eng V1 00 doc 7 ISKRAEMECO F Index of Figures Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 Figure 16 Figure 17 Figure 18 Figure 19 Figure 20 Figure 21 Figure 22 Figure 23 terminal cover Figure 24 Figure 25 Figure 26 Figure 27 Figure 28 Figure 29 Figure 30 Figure 31 Figure 32 Figure 33 Figure 34 Figure 35 Figure 36 Figure 37 Figure 38 Figure 39 Figure 40 Figure 41 Figure 42 Figure 43 Figure 44 Figure 45 Figure 46 Figure 47 SMart Metering evsiem sene nnnn nnne nnn rn esa nsa naa sana ssa sanas snas arenis ME381 meter
4. Lowest level security no security Low Level Security LLS Mx381 User manual eng V1 00 doc 176 ISKRAEMECO Tt ME381 and MT381 High Level Security HLS For effective use of functionalities meter must be properly configured E meter supports three different clients with three different behaviors regarding authentication minimal requirements as shown in following table Client name Client L SAP Minimal Security Requirements Public 16 Lowest level security no security Management 1 HLS LLS as a backup Pre established 102 No HLS nor LLS Table 63 Set of supported clients Authentication procedures For every security level different authentication procedures are required Authentication context and specifically the COSEM Authentication Mechanism Name are presented in following table Authentication Mechanism Name ID COSEM lowest level security mechanism name 0 COSEM low level security mechanism name 1 COSEM high level security mechanism name using MD5 COSEM high level security mechanism name using SHA 1 COSEM high level security mechanism name using GMAC Table 64 Supported authentication mechanism names The Lowest level security authentication context does not require any peer authentication It allows direct access to the data in the server within the access rights available in the given Application Association Authentication mechanism name is therefore not presen
5. Impulse length 30 ms Constant Programmable Real time clock Accuracy Crystal lt 5 ppm lt 3 min year at Top 25 C Back up power Super Cap gt 7 days charging time 250 hours supply Two Super Cap gt 20 days charging time 250 hours optional EMC Electrostatic Contact 8kV air 15 kV IEC 61000 4 2 discharge VF magnetic field 80MHz 2 GHz 20 V m active and 40 V m passive IEC 61000 4 3 Transient test Current and voltage circuit not under load 5 kV IEC 61000 4 4 Auxiliary circuits 40 V 2 kV Surge test Current and voltage circuits 4 kV IEC 61000 4 5 Auxiliary circuits 40 V 1 kV Insulation strength 4 KVims 50 Hz 1 min Impulse voltage Current and voltage circuits 12 kV voltage circuit 6kV other 1 2 50 us EN 50407 1 Auxiliary 6 kV 1 2 50 us EN 50407 1 circuits Radio interference Class B EN 50022 Mx381 User manual eng V1 00 doc 185 ISKRAEMECO t ME381 and MT384 Immunity conducted EN 61000 4 6 disturbances Immunity to 2 5 kV common mode EN 61000 4 18 slow damped damped oscillatory waves Indirect connection Glow wire test IEC 695 2 1 Spring hammer test IEC 60068 2 75 Temperature ranges IEC 62052 11 40 C 70 C LCD operation 25 C 70 C 40 C 85 C Temperature coefficient IEC 62052 11 40 C
6. Ref f Reactive energy measurement accuracy cl 3 ty f Energy measurement in one direction 2 f Energy measurement in two directions e f Energy measurement in all 4 quadrants in both directions sey f Apparent energy measurement accuracy d s f Apparent energy measurement accuracy cl 3 3 f Energy calculated as SQR P 2 Q 2 Lo Lo bl bl lo Lolo Separator Pt 1 Y f Coin Pt LLL LL Lil Monn 1 12 f Highvoltage control 230V LL LS Novoltage control transformer LL IP f integrated disconnector LLL fet f Three phase disconnection external ttt f One phase disconnection internal 18 Highvoltage output relay type LL 11 f Onerelay contact output 1 f Relay contact output with make contact t f Highvoltage output OptoMOS type Pt ft 11 Onecontrol output 1 f Control output with make contact Pt LL Lo Lo LL el lo f Separator 000000 00 Pt te tt
7. gt By 0 dem Gia ete e 23 IC MX 1204 wm 4 Suen a Se XX lenia we 2740 C 10 70 C cioMandatuingnumbe 091Tme 0920m B MID omge 2 AP 1 8 0 Positive active anergy Total wh E IDIS vu 28D Neca cave ren og SAMPLE Papey AAD Neue BO URL lte 1000 impkvan M 4 100 imn Figure 32 ME381 BS front plate Mx381 User manual eng V1 00 doc 50 ISKRAEMECO t ME381 and MT38I The following three figures show the name plate of three different variants of MT381 meters H Ze ege L OO oe SS d a Gesten Mage in EU COXX T 3 I o ee DER Mkr n mnn lt ct c cu cun a O O d III d TD T2 T7173 74 MB SD PLC DRO FF E d gl AC 3Ph 4 Wire lt Type ME D ACEL MN 3x 30400 V 0 25 5 85 A 50Hz Conn 1516072 pe i D 3 No 12 345678 TO H TELE a a b pH Cem rm het om j l 092 pre 1000 mp ah CI 2 180 Positive active energy Total kah d 18x Positive active energy Tx kWh pz TT 280 Negative active anargy Total kwh M Bus 2Bx Negative active energy Tx KWh 380 Posilive reactive energy Tota ert Co fs Wi gt gt 1 c 38x Positive reactive energy Tx kvarh WE MATE RM UI IDIS mu ie li TOLM PS 4 8 0 Negative reactive energy Total kverh f A Rag No 0003 xBx Meadmum demand Tx KWAK i em ue IB I 1 E s F E Ss i e A
8. id R phase returned RIV R phase returned t x t s S V AtPWD Is SIV x phese returred ts TIV s TY d phase returned i s t s atPWWD_ ANY phase Figure 108 Power fail example 6 12 2 Reclosing counter The re closing counter represents number of the power outages shorter than re closing time 3 minutes 6 12 3 Watchdog counter Watchdog counter represents number of watchdog events 6 12 4 Cover opening counter Cover opening counter represents number of meter and terminal cover openings 6 12 5 Breaker opening counter Breaker opening counter represents number of breaker disconnector disconnections Mx381 User manual eng V1 00 doc 173 ISKRAEMECO d ME381 and MT381 6 13 Security The coarse partitioning of the E Meter security is devised into Physical Security Logical Security The physical security is a traditional way of protecting e meter from different tampering variants and unauthorized access With increase of smart meter numbers and the rise of AMI infrastructures the logical security was introduced in e meters 6 13 1 Physical security Physical security is comprised of e Seal protection e Parameters switch 6 13 1 1 Seal protection There are two different set of seal protection First set protects terminal cover while the second protects meter cover If seals are tampered with and either of the terminals is removed then the corresponding events are recorded
9. Physical aye Deliver Clear Figure 93 Alarm reporting process Mx381 User manual eng V1 00 doc ME381 and MT381 ISKRAEMECO Tt ME381 and MT381 Each bit in the alarm register represents a different alarm If any bit is set corresponding alarm was recorded Value of the alarm register is a 32 bit value of all active and inactive alarms Depending on the capabilities of the HES and the utility policy it is possible to mask unwanted alarms through the alarm filter 6 6 1 Alarm system Mx381 meters support three different alarm system codes active after PD PU procedure e VDEW IE 0 e IDIS 1 e EDF 2 6 6 2 Alarm codes Bit Alarm Description 0 Clock invalid Current clock Is compared with internal clock structure and if there is any deviation the bit is set 1 Replace battery Clock battery or backup capacitor is discharged 2 A2 3 A3 4 A4 5 Ab 6 Reserved for future use 7 Reserved for future use 8 Program memory error Set whenever a program memory error bit in error register is set 9 RAM error Set whenever a RAM error bit in error register is set 10 NV memory error Set whenever a NV memory error bit in error register is set 11 Measurement system error Set whenever a measurement system error bit in error register is set 12 Watchdog error Set whenever a watchdog error bit in error register is set 13 Fraud att
10. The PLC solution requires support of ISO IEC 8802 2 allowing to plug in TCP IP later This can co exist with the IEC 61334 4 32 LLC layer and the IEC 62056 46 data link layer used in existing implementations The selected LLC layer is ISO IEC 8802 2 LLC layer The other two are only allowed for backwards compatibility reasons The nine PLC setup objects are given below with their OBIS codes Mx381 User manual eng V1 00 doc 106 ISKRAEMECO zk ME381 and MT381 5 5 4 3 S FSK profile IEC 61334 5 1 S FSK Profile contains MAC and PHYSICAL layer which are managing e S FSK Modulation MAC Frames Processing e Repetition with credit of frames e Alarm indication S FSK modulation The base principle of the S FSK data coding technique is to assign data O to the carrier of one frequency which is called the Space frequency Fs and data 1 to the carrier which is called the Mark frequency Fm The main difference between a traditional FSK and S FSK coding technique is that Fs and Fm are placed far from each other The main advantage of this approach is that the quality of transmission of both carriers becomes independent from the strengths of the narrow band interferences signal sources and impulsive noise sources Spread frequency shift keying S FSK principle is used with channels for Mark and Space The channels for Mark and Space use the following frequencies e Fm Mark Frequency 63300 Hz Fs Space Frequency 74000 Hz
11. The Physical frame has structure as described below Slot indicator h A MAC Address Address Hex All FFF New FFE All Configured FFC All Initiators FFD Nobody 000 Initiator Individual COU DEE Individual 001 BFF Multicast EO0 FEF Reserved FFO FFB Table 40 MAC addresses DIOL indicator k 1 Pause SS A Preamble Alar z bytes z bytes At bytes d bytes Figure 82 Physical frames e Preamble is a 16 bit field equal to AAAA e Start sub frame delimiter is 16 bit field equal to 0x54C7 e P SDU is equal to M PDU of the MAC sub layer Alarm is 24 bit field equal to 569E8A when alarm state Preamble and Start sub frame delimiter serve the purposes Fine tuning of bit synchronization Frame checking e Slotindicator resynchronization Mx381 User manual eng V1 00 doc 109 ISKRAEMECO t ME381 and MT381 e Adaptation of automatic gain control Reception signal quality measurement e Demodulation method decision FSK or ASK Repetition The repeating performs the following characteristics e Repeating with credits e Each server can act as repeater e No topology information in servers Broadcasting is supported e Repeaters setup in the network with Repeater Call service eo Gg Initiating a Repeating i Credits UR OE Figure 83 Repetition 5 5 4 4 PLC network manageme
12. fi M Bus Filter entries TN Error EN iter Register M Bus Filter entries Certification Data Log ge o P Filter ii e entries ii bie Event entries Events are generated by the meter itself or by its environment All these events are logged in several event logs Every event has a unique code to identify the action which has triggered it Every event is assigned to one event log event filter and it is only stored there The e meter features ten different event logs as described below All logs except the power failure log have the same basic structure timestamp and event code The structure per event log is fixed i e it is not possible to store different parameters per event Triggered Event Figure 92 Event handling Mx381 User manual eng V1 00 doc 135 ISKRAEMECO d ME381 and MT381 Mx381 meters support different event codes The Event system object 1 0 96 245 0 255 enables the meter to provide three different types of event code presentation Depending on projects these can be set to e VDEW IE 0 IDIS 1 e EDF 2 Change takes effect after power down up or reset For effective use of functionalities meter must be properly configured 6 5 1 Event code objects Events are generated by the meter itself of by its environment Each type of an event is presented with a unique code event code to identify the action which has
13. Device ID 0 0 96 1 0 For effective use of functionalities meter must be properly configured Example of the COSEM logical device name for Iskraemeco s ME381 meter with disconnector multi utility and load management functionality with the Device ID 00000001 MC T1 T2 SN Octe Octe Octe Octe Octe Octe Octe Octe Octe Octe Octe Octe Octe Octe Octe Octe t01 t02 t03 t04 t05 t06 t07 t08 t09 t10 t11 t12 t13 t14 t15 t16 I S K 1 0 2 0 7 0 0 0 0 0 0 0 1 Table 59 COSEM logical device name example 1 Mx381 User manual eng V1 00 doc 163 ISKRAEMECO t ME381 and MT381 6 11 2 System title System title is tightly coupled with the COSEM logical device name The relation between both entities is as follows System title is eight 8 octets in size while the COSEM logical device name is sixteen 16 octets in size Thus the transformation is e MC is three 3 octets long e 11 is one 1 octet long and HEX encoded e 2is half octet long four MSB bits and HEX encoded e SNis three and a half octets long and HEX encoded Example of the COSEM logical device name for Iskraemeco s ME381 meter with disconnector multi utility and load management functionality with the Device ID 00000001 Octet01 Octet02 Octet03 Octet04 OctetO5 Octet6 Octet07 Octet08 MC T1 T2 SN Sn SN SN ISK 66 70 0 0
14. Power up PUP 6 0x40 64 Reserved The reserved bit is always set to 0 This bit is set to indicate that an all phase power failure Power down PDN T 0x80 128 occurred Table 42 List of profile statuses 6 4 Billing profile recorder Billing functionality in the meter is used to provide process and storage for managing billing data Data stored in the process of billing and time points when billing process is executed can be defined as parameters according to implemented object model All billing data are stored in form of buffer within object of class profile generic Two billing profile objects are implemented in the meter Each billing profile can have its own set of capture objects defined Those two profiles do not use their capture period so this attribute should be set to O Capturing object values into buffer of the two billing profiles is triggered by execution of dedicated script from End of billing script table This script table contains two predefined scripts one for execution of Billing profile 1 capture method and one for execution of Billing profile 2 capture method Mx381 User manual eng V1 00 doc 132 ISKRAEMECO Tt ME381 and MT381 The following actions are carried out by the meter when script 1 of End of billing script table is executed e Execute capture method for Billing profile 1 e Reset maximum demand registers e Reset minimum power factor value is set to 1
15. T kW ib Ue tbs Figure 39 Displaying value with format 60 e 82 8 digits 2 decimals 40 D kW h ie Dc t Figure 40 Dislpaying value with format 82 Also negative registers can be presented on display For those values the minus is attached in front of the most significant digit if width of displayed value is smaller than 8 digits 8 e 42 4 digits 2 decimals Teo kW e AU IS Ja Figure 41 Displaying negative value with format 42 If all digits are used digits 8 the minus sign is attached on a place of the most significant digit Therefore this digit is cut off which may result in the loss of data e 860 8 digits O decimals Mx381 User manual eng V1 00 doc 57 ISKRAEMECO Tt ME381 and MT381 40 2 kW h pn SBBHSbb Figure 42 Displaying negative value with format 80 If configured format width is smaller than register value it results in the loss of data on display e 42 4 digits 2 decimals register value 35790 W displayed value is OK register value 1435790 W displayed value is limited to format width two most significant digits are missing ep KW oun 35 1 Figure 43 Displaying negative value with improper format 42 according to register value The objects that are not intended to show on the display will not be displayed if they are included in General display readout list 0 0 21 0 1 or in Alternate display readout list 0 0 21 0
16. Transmission speed is 2400 baud MAC frames Long MAC frames are composed with up to 7 sub frames Mx381 User manual eng V1 00 doc 107 ISKRAEMECO Tt ME381 and MT38I Frame header 7 bytes Number Initial Current Delta Source Destination Pad of credit credit credit address address OD subframes 3 bits 3 bits 2 bits 12 bits 12 bits g 2 bytes 1 byte 3 bytes 1 byte Long MAC frame Header Data M_sdu Pad FCS 7 bytes 63 242 bytes 3 bytes i p pa gt 36 bytes E p MAC subframe 1 FI Header Data M_pdu1 38 bytes 36 bytes a MAC subframe 2 Fl Data M pdu 2 38 bytes gt 36 bytes MAC subframe n Fl Data Pad Fes M_pdu n 38 bytes lt p gt Figure 81 MAC frames Number of sub frames used depends on M SDU Length M SDU Length L in bytes Number of sub frames Pad length L lt 26 1 26 L 27 lt L lt 62 2 62 L 63 lt L lt 98 3 98 L 99 lt L lt 134 4 134 L Mx381 User manual eng V1 00 doc 108 ISKRAEMECO F ME381 and MT38 135 lt L lt 170 5 170 L 171 lt L lt 206 6 206 L 207 lt L lt 242 T 242 L Up to 3 sub frames should be used for optimal performance MAC addresses Table 39 Sub frames These addresses are predefined values which are used by the IEC 61334 5 1 MAC sub layer Physical frames
17. cccccccscccsecceccceeceecececeecceeceuecaeecseseesaeesseeaeecauesaeenseseuesaeeteeeaeees 14 Mx381_User_manual_eng_V1 00 doc 10 ISKRAEMECO F Table 31 Table 32 Table 33 Table 34 Table 35 Table 36 Table 37 Table 38 Table 39 Table 40 Table 41 Table 42 Table 43 Table 44 Table 45 Table 46 Table 47 Table 48 Table 49 Table 50 Table 51 Table 52 Table 53 Table 54 Table 55 Table 56 Table 57 Table 58 Table 59 Table 60 Table 61 Table 62 Table 63 Table 64 Table 65 Table 66 Mx381 User manual eng V1 00 doc ME381 and MT381 Bitrees ecdjee c m 76 Input state control register ccccecceecceccceeceeceeeceeecueceueseeecseceuecaeesaeecueseuesaeeseeseeeseeeseeenenes 19 Output state control register EE 79 Output state control register gege ege eege Eder itas cue idu ie teP o munus 79 ACUVS Tar fif Feds GE ocio oi ibis eee eee ee ee EN UIS 86 aM SER RR TN 91 M Bus disconnector modes eene nennen nnne sena ne nnne nna a rne nr nn s 101 M BUS un E TEE DO Eo 103 SUD WN US Sy eost aed me E E E A E ETE 109 NA Gai oo f iztc RT M 109 Max LIT lengi Ny NENNT 124 List of ele 132 EVO OG eer 137 List of events in the Standard event og 138 List of events in the Fraud detection event og 140 List of events in the Power quality event Jog 140 List of events in the Disconnector control log 142 List of events in the M Bus event Joo 1
18. supply Two Super Cap gt 20 days charging time 250 hours optional EMC Electrostatic Contact 8kV air 15 kV IEC 61000 4 2 discharge VF magnetic field 80MHz 2 GHz 20 V m active and 40 V m passive IEC 61000 4 3 Transient test Current and voltage circuit not under load 6 kV IEC 61000 4 4 Auxiliary circuits 40 V 2 kV Surge test Current and voltage circuits 4 kV IEC 61000 4 5 Auxiliary circuits 40 V 1 kV Insulation strength 4 kKVims 50 Hz 1 min Impulse voltage Current and voltage circuits 12 kV voltage circuit 6kV other 1 2 50 us EN 50407 1 Auxiliary 6 kV 1 2 50 us EN 50407 1 circuits Radio interference Class B EN 50022 suppression Immunity to 20V EN 61000 4 6 conducted disturbances Glow wire test IEC 695 2 1 Spring hammer test IEC 60068 2 75 Temperature ranges IEC 62052 11 Operation 40 C 70 C LCD operation 25 C 70 C Storing 40 C 85 C Mx381 User manual eng V1 00 doc 182 ISKRAEMECO zk ME381 and MT381 Temperature coefficient IEC 62052 11 40 C 70 C less than 0 015 K Ingress IP 54 protection IEC 60529 Protection class IEC 62052 11 m Double isolation iquid C z Display EE MkMAr Kpa pa p HH HB H H lj L I f PE ee owe NWE Owe S ES So T2 T3 T4 MB SD Number of digits for OBIS c
19. 2 e Action under threshold defines the action when the value of the attribute monitored crosses the threshold in the downwards direction and remains under threshold for minimal under threshold duration time 0 0 10 0 106 0 0 0 10 0 106 1 6 10 2 Supervision monitor IDIS Abbreviations used in this chapter RM register monitor TEE threshold exceeding event TOE threshold OK event OTD over threshold duration Mx381 User manual eng V1 00 doc 158 ISKRAEMECO Tt ME381 and MT381 Mx381 meter features phase current limitation with three RM objects Every RM monitors the corresponding phase demand register Actions that need to be taken are defined via the Disconnector script table object where action on Disconnect control object is defined When monitored value passes threshold upwards or downwards action up or action down is taken For Mx381 meters there is only one threshold allowed to be set because of the limitation functionality IDIS specifies objects 1 0 31 4 0 1 0 51 4 0 and 1 0 71 4 0 for a monitored value This is not directly measured phase current RMS but the averaged value over the number of periods which is defined with demand class object instance for every phase Phase RMS current is averaged with period 1 second and number of periods 90 values Value has a 1A resolution rounded down 6 10 2 1 Register monitor Monitored value Current Average Value This attribute provides the current
20. 239 Node Aid Indicates Successful Prepay Token Enter Enter Success 240 eee 1 ORGU Indicates Failed Prepay Token Enter Enter Fail Prepay Credit 241 Expired Indicates Prepay Credit Expiration Prepay Emergency ae 242 Credit Expired Indicates Emergency Credit Expiration Prepay Emergency 243 Credit Activated Indicates Emergency Credit Activation Load profile Any of the profiles cleared 254 rune NOTE If it appears in Standard Event Log then any of the E load profiles was cleared If the event appears in the M Bus Event log then one of the M Bus load profiles was cleared Indicates that the event log was cleared This is always the first entry in an event log It is only stored 255 Event log cleared a e v SC prse S 9 in the affected event log Table 44 List of events in the Standard event log 6 5 4 Fraud detection event log Fraud detection event log contains all events related to the detection of fraud attempts e g removal of terminal cover removal of meter cover strong DC field detection access with wrong password etc There is a 15 minute 900s hold off period time interval between two events only events detected after 15 of latest one are recorded Mx381_User_manual_eng_V1 00 doc 138 ISKRAEMECO F ME381 and MT381 For events that are saved in fraud detection log we have assigned a time interval This interval is started at fraud event and disables another logging of same fraud event for its duration That
21. Accuracy class Direct connection Active energy A or B EN 50470 3 Class 2 or 1 IEC 62053 21 Reactive energy Class 3 or 2 IEC 62053 23 Apparent energy Calibrated up to 3 Outputs Type OPTO MOS relay Auxiliary control switch Contact Make or break contact Permitted load 100 mA Voltage 250V AC Pulse length From 30 ms to 200 ms adjustable in steps by 1 ms Transmission Up to 1000m distance Type Relay Load control switch Voltage 250 V AC Switching voltage 250V AC Maximum switching 6A current Switching power 1500VA Inputs Alarm input Voltage level 100 240 V AC Potential free key Voltage level No voltage Self consumption Self consumption 0 06 VA of current circuit Self consumption 2 0W 7 3 VA Mx381 User manual eng V1 00 doc 181 ISKRAEMECO F ME381 and MT381 of voltage circuits 2 2 W 7 4 VA DLC communication established Communication Port O Infra red optical interface IEC 62056 21 or IEC62056 46 Port 1 In house device wired interface IEC62056 21 Port 2 M Bus wired interface for multiutiliy EN 13757 Port 3 PLC communication interface LED output Type LED red Number 2 function kWh kvarh KWh kVA programmable Impulse frequency lt 2 5 kHz Impulse length 30 ms Constant Programmable Real time clock Accuracy Crystal lt 5 ppm lt 3 min year at Top 25 C Back up power Super Cap gt 7 days charging time 250 hours
22. EX 4 4 3 3 Data menu Data menu is accessed from the Display test state by a short press on Scroll key There are several items supported for presentation in Data menu on display The first item is Manual scroll mode Std data It is fixed and can not be disabled Other items are optional and can be configured by the Display configuration object 0 0 196 1 3 In Data menu the following items are listed in order e Std data Manual scroll mode e P 01 Load profile with period 1 optional e P 02 Load profile with period 2 optional s End end of list Enter the Manual sero Enter thie Cscape into Load profile Mulo scroll Figure 52 Data menu navigation 4 4 3 4 Set menu Set menu is accessed from the Display test state by a short press on Reset key which is protected with a seal In Set menu the following items are listed in order e Reset Reset mode reset of parameters by the specific procedure under specific conditions Mx381 User manual eng V1 00 doc 66 ISKRAEMECO Tt ME381 and MT381 e Lcd test Lcd test mode display unit test e End end of list Escape into Entir the Aulo scroll cd tess mode Figure 53 Set menu navigation 4 4 3 5 Auto scroll mode Auto Scroll mode is implemented in the following way e Auto scroll mode is general meter mode where the items listed in General display readout object 0 0 21 0 1 are cyclically displayed on LCD e Auto scr
23. FF value is used for not specified fields Season profile consists of e Seasonname e Season start date amp time e Week name 5 4 2 3 Week Profile Table The week table determines the day profile table applicable for particular week 12 week tables are available one week profile per season Since week tables are only divided into days Monday to Sunday without time data they are repeated every week while they are valid according to season profile Value FF is used for not specified field Week profile consists of e Week name e Weekdays Mx381 User manual eng V1 00 doc 83 ISKRAEMECO Tt ME381 and MT381 5 4 2 4 Day Profile Tables Up to 12 day profile tables are available in the meter to cover weekdays and special days Day profile tables are divided into day actions which define individual tariff switching times for energy and power Each of these day actions is defined by the entry of start time Up to 16 daily actions switching points can be defined per one day profile table FF values are used for not specified fields Day profile consists of e Weekday name s Day start time e Script table e Scriptnames 0 4 2 5 Change Over to New Switching Program New tariff program structure is entered to passive calendar and change over time and date are entered to attribute activate passive calendar time of the class Activity calendar On entered time and date content of active calendar will be replaced by tari
24. Holds the MIB variable broadcast frames counter variable 19 specified in IEC 61334 4 512 sub clause 5 8 Broadcast couples structure e Source MAC Address e Frames Counter It counts the broadcast frames received by the server system and issued from a client system source MAC address any valid client MAC address destination MAC address ALL physical The number of frames is classified according to the origin of the transmitter The counter is incremented even if the LLC destination address is not valid on the server system When the frames counter field reaches its maximum value it automatically returns to O on the next increment The maximum number of broadcast couples source MAC address frames counter contained in this variable should be specified in the implementation specifications When this maximum is reached the updating of the variable follows a First In First Out FIFO mechanism only the newest source MAC addresses are memorized Repetitions Counter Holds the MIB variable repetitions counter variable 20 specified in IEC 61334 4 512 sub clause 5 8 Counts the number of repetition phases The repetition phases following a transmission are not Mx381 User manual eng V1 00 doc 123 ISKRAEMECO Tt ME381 and MT381 counted If the MAC sub layer is configured in the no repeater mode this variable is not updated The repetitions counter measures the activity of the system as a repeater A received frame repeated five
25. If the event appears in the M Bus Event log then one of the M Bus load profiles was cleared i tl This is al the first entry i t 255 Event log cleared Indicates that the event log was cleared is is always the first entry in an even log It is only stored in the affected event log Table 48 List of events in the M Bus event log Mx381 User manual eng V1 00 doc 142 ISKRAEMECO F 6 5 10 M Bus control logs 160 Manual disconnection M Bus Ch 1 Indicates that the disconnector has been manually disconnected 161 Manual connection M Bus Ch 1 Indicates that the disconnector has been manually connected 162 Remote disconnection M Bus Ch 1 Indicates that the disconnector has been remotely disconnected 163 Remote connection M Bus Ch 1 Indicates that the disconnector has been remotely connected 164 Valve alarm M Bus Ch 1 Indicates that a valve alarm has been registered 170 Manual disconnection M Bus Ch 2 Indicates that the disconnector has been manually disconnected 171 Manual connection M Bus Ch 2 Indicates that the disconnector has been manually connected 172 Remote disconnection M Bus Ch 2 Indicates that the disconnector has been remotely disconnected 173 Remote connection M Bus Ch 2 Indicates that the disconnector has been remotely connected 174 Valve alarm M Bus Ch 2 Indicates that a valve alarm has been registered 180 Manual disconnection M Bus Ch 3 Ind
26. LCP Extensions RFC 1661 Standard 51 The Point to Point Protocol PPP RFC 1662 Standard 51 PPP in HDLC like Framing RFC 1700 Assigned Numbers RFC 2507 IP Header Compression RFC 3241 Robust Header Compression FIPS PUB 180 1 Secure Hash Algorithm IEC 60529 Degrees of protection provided by enclosures IP code COSEM Blue Book 10 Edition DLMS UA 1000 1 2010 Ed 10 0 2010 08 26 COSEM Green Book 7 Edition DLMS UA 1000 2 2010 Ed 7 0 209 12 22 IDIS Package 2 IP Profile ed 1 0 docx Iskraemeco technical notes IDIS object model V2 10 20120823 xlsx VDEW specification for Electronic Meters with load curve Version 2 1 2 ith November 2003 IP Header Compression over PPP Dutch Smart Meter Requirements v3 0 final P1 Mx381 User manual eng V1 00 doc 19 ISKRAEMECO t ME381 and MT381 3 2 Mx381 meter appearance 11 r 10 1304 9 8 5 7 Figure 2 ME381 meter appearance front view tem D on iquid crystal display LCD Meter serial number Meter technical data Coupling circuit Meter cover sealing screw Terminal cover Terminal cover sealing screw Right side Active energy Impulse LED Left side Reactive energy Impulse LED Scroll and Reset keys Lid sealing screw IR optical interface leie oo oo amp oimw2A Mx381 User manual eng V1 00 doc 20 ISKRAEMECO F np op m n n EU E A l e 85 80 pem p owitch for detection of terminal
27. RR 144 Mx381 User manual eng V1 00 doc 5 ISKRAEMECO Tt ME381 and MT381 6603 EE gen e rii RR 146 004 ME nil ge 146 ooo mm ci Amm 146 OPE uo et 147 SE en ENOS EE 147 SNP MEE EROF RENE Tm 148 oro EnO dio Pay TE 149 OFA EN uerge 149 6 8 Activity calendar and TOU registration eeeeeeeeeeeeseeeses 151 0 9 Disconnector Load EEN 151 6 9 1 Disconnector type E 154 692 DISEOne cb COPIITO eegene be 154 6 9 3 Disconnect control log cece cece cece ceeceeeseeeseeseeeeeesaeeseeaeeseeeseeenes 156 O10 COON RR 156 6 10 1 int WE 156 6 10 2 Supervision monitor IDIS ueeeeeeeseeeeeeeee 158 6 10 3 Supervision monitor EC KEEN 160 5 11 enui calonn DCS descente otonup UD Cadet toleniemtecn uotis enda Cebu siut 162 6 11 1 COSEM Logical Device Name cccccccceecceeeceeeeeeeeceeeseeeseeeeaeeees 162 6 11 2 SE 164 6 11 3 Re rn n 2ouissedoemosineuchiu mte EEES 164 6 11 4 BOVI 164 6 11 5 lee l t Eeer Leg P 165 6 11 6 Meter software identification ccccceccceecceeeeeeeceeeceeeceeeeeneeseeeseess 166 5 12 e ie ue idee Bio Leide EE 167 6 12 1 xe geil 167 6 12 2 Reclosing counter o naenennannenonnunnnernrrrernrnnrnrrnrrrerrrnnrnrrnennrnnrnernenne 173 6 12 3 EEN ege Lee ei TC EE 173 6 12 4 Cover opening counter
28. configured or configured the CIASE checks the reporting system list If a system title is present in the reporting system list and in the Register CI PDU the CIASE deletes the system title in the reporting system list this system is no more considered as a reporting system 0 5 4 11 DLC configuration channel 0 DLC configuration channel 0 e OFF 0x00 e ON 0x20 Mx381_User_manual_eng_V1 00 doc 125 ISKRAEMECO Tt ME381 and MT38I 0 5 4 12 Signal strength First line in the DLC status structure below means status of PLC interface in the server unit as follows LSB MSB DLC STATUS SEQACTIV DLC STATUS INSTALLING DLC STATUS SETREPEATER DLC STATUS MACADDRCHANGED DLC STATUS PKTTRANSFER DLC STATUS CONFIGURED DLC STATUS REPEATER DLC STATUS INSTALLED DLC STATUS SYNCHRONIZED DLC STATUS ALARM DLC STATUS REPEATER CALL DLC STATUS SYNC FOUND DLC STATUS LOCKED DLC STATUS PHASE NEUTRAL INVERSE DLC STATUS DEP UPDATE DLC STATUS UNUSED 15 Following lines of DLC parameters in down order mean All signal and noise values are presented in dBuV last measured signal strength SO last measured noise strength NO last measured signal strength S1 last measured noise strength N1 minimum signal strength SO minimum noise strength NO minimum signal strength 1 minimum noise strength N1 maximum signal strength SO maximum signal strength NO maximum signal strength S1 maximum signal strength N1 Last line in the
29. 2 The message code Error 11 Ident format failed will be displayed instead 4Q T p Errar 0 ww Figure 44 Ident format failed message 4 4 1 9 OBIS name on display There are 5 digits reserved for OBIS name presentation on the left side of the display OBIS name is always displayed from the first digit on the left In general there are two types of OBIS name format e Short OBIS name format C D E e Full OBIS name format A B C D E For presentation on the display the short OBIS name format is used C D E There are some exceptions when extended OBIS name is displayed e A B C D E format is used for presentation of the following objects I Core identification 1 0 0 2 0 1 Module identification 1 1 0 2 0 Core signature 1 0 0 2 8 1 Module signature 1 1 0 2 8 e B C D E format is used for presentation of the objects with field B O Mx381 User manual eng V1 00 doc 58 ISKRAEMECO Tt ME381 and MT381 Up to 5 characters of OBIS name can be displayed There are some abbreviation characters used for the specific multi character fields of OBIS name Multi character field Abbreviation character 96 C 97 F 98 L 99 P 128 U Table 25 OBIS name abbreviation characters 4 4 1 10 Error codes on display In certain cases an error message can appear on display The error codes that can be seen on display are listed in a table below Error code Error description Error 1
30. A Disconnected gt td Emergency limit activation duration Emergency activation td Min over treshold duration Figure 99 Limiter diagram Instances of the Limiter interface class allows set of actions which are executed when the value of a monitored object attribute Data Register Extended Register Demand Register etc crosses the threshold value for at least a minimal duration time IDIS defines only one limiter object instance Iskraemeco meters have two limiter instances 0 0 17 0 0 and 0 0 17 0 1 Monitored Value Monitored value defines an attribute of an object to be monitored Only attributes with simple data types are allowed Instantaneous current example for three phase meters is object 1 0 90 7 0 Algebraic sum L1 L2 amp L3 current or sliding demand average import net power 1 0 1 24 0 1 0 15 24 0 Threshold Active Provides the active threshold value to which the attribute monitored is compared Threshold Normal Provides the threshold value to which the attribute monitored is compared when in normal operation Threshold Emergency Provides the threshold value to which the attribute monitored is compared when an emergency profile is active Minimum over Threshold Duration Defines minimal over threshold duration in seconds required to execute the over threshold action Mx381 User manual eng V1 00 doc 157 ISKRAEMECO Tt ME381 and MT381 Minimum under Threshold Duration Defines mi
31. Data Format Time zone attribute holds the deviation of local normal time to UTC in minutes 5 9 2 Status The status is equal to the status read in time Clock status shows if DST is currently active or not e 128 DST is currently active current time date is in DST boundaries e 0 DST is currently not active current time date is outside DST boundaries Deas Daylight Savings Daylight saving begin end defines the local switch date and time when the local time has to be deviated from the normal time DST start and end date needs to be entered where specific values for day in a week are e FD 2nd last day of month s FE last day of month e FF not specified For repetitive dates the unused parts must be set to not specified Mx381 User manual eng V1 00 doc 80 ISKRAEMECO Tt ME381 and MT381 Daylight savings deviation contains the number of minutes by which the deviation in generalized time must be corrected at daylight savings begin Deviation in minutes shows the difference from GMT time and clock status active inactive DST Deviation range of up to 120 min Daylight savings enabled To use DST DST needs to be enabled with start and end date set also DST Status can be e TRUE DST enabled 1 e FALSE DST disabled 0 5 3 4 Local time and date These two objects are part of clock object and show only date or time Date and time are represented on the meter display like this e Time h
32. Demand E n E n 1 Td Energy Active P Reactive Q E n 1 E n Apparent S Td Time Figure 12 Demand calculation sample After completion of the measuring period average value is stored to the register for previous measuring period and compared with highest maximum value stored in the relevant register x 6 y If new value is larger it is stored as new maximum value at corresponding position At the same time timestamp is stored representing the time conclusion of measuring period At the end of billing period demand registers x 4 0 x 5 0 and x 6 y are recorded and stored prior to being set back to zero when new period starts energy period period gt last_average_value current_average_value start_time_current now start_time period Figure 13 Attributes in the case of block demand 1 period Mx381 User manual eng V1 00 doc 29 ISKRAEMECO Tt ME381 and MT381 a energy 3 period Vif vocem PM DE VIVENTE E aoe PRET ee EE ER 4 y aix ERR a DIST US I LE EN eM CR Var cca Lg tay a TD laval cc agf a 33 CAV besmsamsmsm amorum imm m m A Rh Umm m aca J4 i a a 7 P d SCH d ye oem j time sliding window 3 e siding window ch ke T window 15 number of periods last average value curent average value K e window 15 energy accumulated during penod k Figure 14 Attributes in case of sliding demand 3 5 2 1
33. EN IEC 62056 21 Mode D Data transfer is requested with request line and automatically initiated every ten seconds until request line is released The interface will use a fixed transfer speed of 9600 baud There are no options to switch the transmission speed Note this is not conforming to EN IEC 62056 21 Mode D The meter transmits the data message immediately following the activation through the Request signal A series of blocks containing the following are sent IXXXZ Identification CR LF CR LF Data CR LF The data transmission is complete after the data message has been transmitted by the meter An acknowledgement signal is not provided for Mx381 User manual eng V1 00 doc 93 ISKRAEMECO Tt ME381 and MT381 Request line every ten seconds Data readout IXXXZ Ident CR LF CR LF Data CR LF 9600 Bd Figure 71 P1 port data string For effective use of functionalities meter must be properly configured Jii M Bus M Bus is an interface for gas meters g meter gas valve thermal heat cold and water meters w meter There is no separate interface for electricity meters e meter since these meters are technically part of the metering system It enables the communication between several types of meters and an e meter to which they are connected The communication bus is based on the M Bus standard The e meter functions as the communication master the other devices connected to the M Bus function as
34. II Jmtemalcock LL 2 Backup power supply super capacitor LL 13 Back up power supply battery d ob lb b lb lb lgKb Communication interface LL Optical interface Ec62056 2 n 1 5 1 Mx381 User manual eng V1 00 doc 73 ISKRAEMECO T ME381 and MT381 Se ES ESESERERERER ES a ILI UL AIL AL LIII Table 30 Meter type mm 9 2 Inputs and outputs Every meter has built in input output terminals They are driven through the meter firmware functionality and can have different shared functions on the same pin through the specific configuration Some functions for hardware reasons are not available on all meters Functions can be used to operate with e Relay output e OptoMOS output e Outputs for active disconnector SD e Alarm input e External key input No voltage external key input For effective use of functionalities meter must be properly configured See Relay output load Load Control registers are used to configure bi stable relay output with maximum capability of 6A at 250V Load control terminals are e 34 Relay output e 35 Common ET Blo lr Figure 59 Load control terminal This output can also be triggered via tariff program Tariffication script table needs to be configured accordingly Note When power down o
35. ME381 and MT381 Communication between the meter and the concentrator is performed via two DLC modems that are built in the meter and in the concentrator For correct recognition of the meter by the concentrator some identification numbers that are stated below should be written e Device number 1 0 0 0 0 e Device factory number 0 0 96 1 0 5 5 4 2 COSEM DLMS S FSK PLC communication profile The DLMS COSEM protocol uses a simplified OSI model with just three layers with an extension of DLMS made suitable for communicating with the object oriented meter interface model COSEM DLMS S FSK PLC Communication Profile is based on 3 layer architecture This comprises of COSEM Application Layer the connectionless IEC 61334 4 32 HDLC based Data Link Layer and Physical Layer that uses PLC IEC 61334 5 1 S FSK Profile PLC Network Management is used for PLC system management including discovery and installation of network elements The profile for meters using the PLC medium as defined in IEC 62056 47 or in DLMS UA Green Book edition 7 is pointed out in the Figure below Applicaton PLC Proces PETRA besiess Network Management 6ZU56 6 1 52U5 Dz IEC 61334 4 51 i Application an Layer COSEM Application Layer IEC 62U56 5 Connectionless LLC Layer Data Link IEC 6133432 Layer MAC PHY Layers Figure 80 DLMS COSEM S FSK PLC communication profile
36. NN 150 Positive active energy Total kwh 18x Positive active Get Tx kWh 7 d E 280 Negative active anargy Total KWh NN Mh n M Bus 28x Negative active energy Tx KWh amp Ca AA W agims 3 80 Positive reactive energy Tote kvarh S A DM ILS 8 VM 3 energy Tx Domp v L UA LI S CO LL Sp d FL Bx Positive reactive Ht Ve IDIS tow PLG 4 AD Negative reactive are To deent AA AN I IN JI A Rag No 0003 xBx Madmum demand Tx win AU PCD ts s s LM Figure 35 MT381 T1 front plate Mx381 User manual eng V1 00 doc ISKRAEMECO Tt ME381 and MT381 4 4 Console keys Main features on the meters console are LCD two LED s and two keys Every meter has them integrated 4 4 1 LCD The seven segment liquid crystal display LCD complies with the VDEW requirements J J e s MkVArh EATE gt A ffi OS LIS ds LORS CES EES ADB GRR T T2 T3 T4 MB SD DROP EC 6 d d 2 3 4 5 Figure 36 Full Mx381 LCD display fields Description Alphanumeric field 1 Small five 7 segment digits OBIS identification code presentation Alphanumeric field 2 Large eight 7 segment digits Data value presentation Power flow direction cursors Voltage presence by phases indicators Physical unit field of the currently displayed data Cursors OO BB OINI 4 4 1 1 Alphanumeric fields Alphanumeric field 1 is use
37. PLC system A DLC modem for remote two way communication is built into the meter The DLC modem is connected to the low voltage network internally via L1 phase For successful communication with the meter it is therefore necessary that L1 phase and neutral conductors are connected to the meter If the MT381 meter is installed in a single phase network the phase conductor should be connected to its L1 phase terminal The DLC modem enables two way communication with data concentrator built in the low voltage side of a substation via low voltage network and uses SFSK Spread Frequency Shift Keying modulation Data transmission rate via low voltage network can be up to 2 400 bit sec Data transmission between the microcontroller and the DLC modem is serial asynchronous with data transmission rate 4 800 bit sec DLC metering system is based on Intelligent Network Management principle based on standard IEC 61334 4 511 Discover Register Unregister Ping and dynamic addressing Meter s PLC system e Coupler is LC filter with transformer preventing against high grid voltages e Modulator demodulator are the couple modulating and demodulating signals under choosing SFSK demodulating technique which means mark frequency fm for digital value 1 and space frequency f for digital value 0 SFSK fm f gt 10 kHz e Carrier frequencies are always in pair means fm amp f For the indoor system are defined as shows in figure below and are
38. Quality section Power quality event log structure consists of timestamp and event code 6 5 5 1 Power quality event log codes Power Quality event log code object holds the code from the last event triggered These codes along with timestamps are then used in event log List of events in the Power quality event log is shown in the Table below 76 Undervoltage L1 Indicates undervoltage on at least L1 phase was detected 77 Undervoltage L2 Indicates undervoltage on at least L2 phase was detected 78 JUndervoltage L3 Indicates undervoltage on at least L3 phase was detected 79 Ovvervoltage L1 Indicates overvoltage on at least L1 phase was detected 80 Overvoltage L2 Indicates overvoltage on at least L2 phase was detected 81 Overvoltage L3 Indicates overvoltage on at least L3 phase was detected Indicates that the voltage on at least L1 phase has fallen below the Umin threshold for longer than the 82 Missing voltage L1 time delay Indicates that the voltage on at least L1 phase has fallen below the Umin threshold for longer than the 83 Missing voltage L2 time delay Indicates that the voltage on at least L1 phase has fallen below the Umin threshold for longer than the 84 Missing voltage L3 imed lay 85 Voltage L1 normal Indicates that the mains voltage is in normal limits again e g after overvoltage 86 Voltage L2 normal Indicates that the mains voltage is in normal limits again e g a
39. appearance front view ME381 meter appearance bottom view MT381 meter appearance front view MT381 meter appearance bottom view ME381 meter connection diagram DIN connection ME381 meter connection diagram BS connection MT381 meter connection diagram direct connection MT381 meter connection diagram transformer operated meter Measuring principle Measured energy and demand Demand calculation sample Attributes in the case of block demand 1 period Attributes in case of sliding demand Calculation of demand over a known period with sliding window Calculation of demand over a known period with sliding window Time attributes when measuring sliding demand Quadrant cross Overall and fixing dimensions of the ME381 meter fitted with a long terminal cover Overall and fixing dimensions of the ME381 meter fitted with a short terminal cover Overall and fixing dimensions of an MT381 meter fitted with a long terminal cover Overall and fixing dimensions of an MT381 meter fitted with a short terminal cover Overall and fixing dimensions of the MT381 meter fitted with a disconnector and a long Terminal cover for ME381 meter Short terminal cover for MT381 meter Long terminal cover for MT381 meter Terminal cover for MT381 meter with disconnector unt Meter connection diagram on the inner side of the terminal cover Positions of the seals at ME381 meter Positions of the seals at MT381 meter ME382 DIN front plate ME38
40. average value of the current Last Average Value Provides the last average value of the current over the last number of periods period divided by number of periods period Status This attribute provides Demand register specific status information Capture Time Provides the date and time when the last average value has been calculated Octet string formatted as set in 4 1 6 1 for date time Start Time Current Provides the date and time when the measurement of the current average value has been started Octet string formatted as set in 4 1 6 1 for date time Period Period is the interval between two successive updates of the last average value Measuring period is in seconds For effective use of functionalities meter must be properly configured Number of Periods The number of periods used to calculate the last average value Mx381 User manual eng V1 00 doc 159 ISKRAEMECO Tt ME381 and MT381 6 10 2 2 Register monitor instance Thresholds This attribute provides threshold values with which the attribute of the referenced register is compared The threshold is the same type as the monitored attribute of the referenced object For effective use of functionalities meter must be properly configured Monitored Value Defines an object of specific class and it s attribute to be monitored IDIS specifications require one of the next available objects with IC 5 attr 2 1 0 31 4 0 1 0 51 4 0 and 1 0 71 4 0 For e
41. billing process The main function of billing script table is to provide interface for execution of actions related to each specific billing type when script is executed 6 4 3 Billing period counter Billing period counter counts all billings that were performed in the past 6 4 4 Data of billing period Billing profile Billing profile is the storage for billing data captured by execution of billing actions Billing profile buffer is organized as an array of entries Each entry is a snapshot of capture object values at the moment of capture time By default the first data in billing profile entries is time mark 0 0 1 0 0 Capture time is triggered from single action scheduler Each billing profile has the capacity of e 35 entries with default number of capture objects 5 clock 4 objects of size 4 bytes e 88 with minimum number of captured objects 2 clock 1 object of size 4 bytes e 5entries with maximum number of capture objects 32 clock 31 objects of size 4 bytes There are two objects of billing profiles s Data of billing period 1 d 1 e Data of billing period 2 d 2 Mx381 User manual eng V1 00 doc 134 ISKRAEMECO t ME381 and MT381 6 5 Event logs Basic principle is shown in a diagram below Standard em Filter entries Fraud Ee Filter 30 entries Power Failure e e Filter z entries Disconnector e Sici e Filter f entries Power Quality Filter 100 entries
42. cover opening ME381 and MT381 Screw for fitting current cables Additional voltage terminals option Current terminals Neutral terminals Olan amp o mWN2 3 Auxiliary terminals Load control output M Bus communication interface N Alarm input Co Non potential key input 9 Port P1 Mx381 User manual eng V1 00 doc 21 ISKRAEMECO Tt ME381 and MT381 11 10 9 e Ss pun gw ww H we LET ragh M 1 y TES WH UI U HIN 6 s UP es ret ga 1234587 5 Figure 4 MT381 meter appearance front view Item Description 1 LCD display Meter technical data Coupling circuit Meter serial number Legend of registers displayed on LCD Meter cover sealing screws Terminal cover sealing screws Terminal cover Upper Active energy Impulse LED 9 Middle Reactive energy Impulse LED Lower not active 10 Scroll and Reset keys 11 Lid sealing screw 12 IR optical interface 00 Ni OD 01 Co DO Mx381 User manual eng V1 00 doc 22 ISKRAEMECO Tt ME381 and M7381 PT iii C hai Figure 5 MT381 meter appearance bottom view Port P1 Screw for fitting current cables Current terminals Neutral terminals Auxiliary terminals Load control output M Bus communication interface Additional voltage terminals Switch for detection of terminal
43. data e starting procedure to searching connected M Bus devices testing the LCD e meter reset execution to reset the meter parameters The Scroll key blue is sensitive to key press duration therefore the key action is depended on key release time There are also some differences in key press actions either Reduced or Normal console menu type is active 4 4 3 1 Reduced console menu type Reduce console menu type is activated by the Display configuration object 0 0 196 1 3 For effective use of functionalities meter must be properly configured Use of Scroll Key The Scroll key enables three different types of key press depending on duration s Short press time of key depression shorter than 2s Next data in the manual sequence is displayed e Long press time of key depression longer than 5s Displayed submenu or function is selected Extended press time of key depression longer than 8s Enter to menu The Scroll key functions are LCD display test performing displayed list data view switching to the meter test operation mode e disconnector disconnection or reconnection s short time press scrolls the display long time press enables to perform different function such as disconnector connection disconnection or emergency credit selection Mx381 User manual eng V1 00 doc 62 ISKRAEMECO Tt ME381 and MT381 Use of Reset Key The Reset key is locked up by a seal It is used to execute the reset of
44. described as central frequencies Meter system use band A Systems with deferent frequency pair cannot hear each other Mx381 User manual eng V1 00 doc 104 ISKRAEMECO Tt ME381 and MT381 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 f kHz Figure 78 The frequency bands in the CENELEC standard e MAC the data goes and comes through the line in packet with MAC number in frame When data goes MAC number address identifies transmitter itself when data comes it identify receiver to which the packet belongs s DB data base e LTC local transfer and configuration Power grid LTC Modulator Coupler MAC Controller Demodulator DB SA Figure 79 PLC system in the meter Communication with meters via communication channels The built in communication channels enable e Data read out from the meter registers e Data read out from the load profile recorder e Meter parameters read out s Setting meter parameters Communication with the meter in progress is indicated by displaying the DRO signal flag Data block in the DLC network is indicating with a blinking DRO signal flag 5 5 4 1 AMR readout To establish the system for automatic meter readout AMR two basic components are required e Ameter ME381 or MT381 Server e Aconcentrator P2LPC Client Mx381 User manual eng V1 00 doc 105 ISKRAEMECO gt
45. e Last modified secure parameter new value 0 0 96 128 2 255 Last modified secure parameter identifier object contains the logical name of the most recently modified critical measurement parameter object Last modified secure parameter old value object and the Last modified secure parameter new value object contain the last modified object s previous and newly set values Capture to this log is done when one of the critical measurement parameters changes In this case all the needed information logical name old value and new value are stored in dedicated objects first and then captured into certification data log The following critical parameters are being monitored e Active energy metrological LED 1 0 0 3 0 255 e Reactive energy metrological LED 1 0 0 3 1 255 e Apparent energy metrological LED 1 0 0 3 2 255 e Transformer ratio current numerator 1 0 0 4 2 255 e Transformer ratio current denominator 1 0 0 4 5 255 e Measurement period 1 for average value 1 1 0 0 8 0 255 The capacity of the Certification data log is set to 100 entries When log is full the critical measurement objects can no longer be changed All change requests are rejected The log can only be erased when meter is in unlocked state This can only be achieved by removing meter cover 6 5 8 Disconnector control log IDIS event Event name Event description code 59 Disconnector ready f
46. ee Ce iL did Figure 33 MT381 D1 front plate Mx381 User manual eng V1 00 doc 51 ISKRAEMECO Tt ME381 and MT38I Ep t Rc Ec f RR gt NI ee NN v IH ISKRA Made in EU 20XX Le SCR II ff Ki WW eee RER MkWArh f Y l 1 77 Im t i e Be d SE ere tere ll o Less T1 Si Sie SHE E e ac aP4Wre gt A LEE e dn 3xe30 400 V 0 5 10 120 A 50Hz T2 hAW Conn IS18072 No 12 345 678 wmm H lt M y basi K 500 imevkWh Se U to 70 C ww W d 091 Time 092 Date 500 imo kvarh CI 2 INI 180 Positive active energy Total Wh LN 2 80 Negative active energy Total kwh B agims M Bus 28x Negative active energy Tx KWh jj m IDIS wu Rag 38x Positive reactive energy Tx kvarh 5 A bul P Ib bs A E 450 Negative reactive energy Total kvarh amp Rag No 0003 Tx kW Li lU dd Figure 34 MT381 D2 front plate Mx381 User manual eng V1 00 doc 52 ISKRAEMECO Tt ME381 and MT38I p oe eer a EE i MM H _ IE E d A e ze A y Fi ez ISKRA Made In EU 20XX cem mmm Maan gasesseeeeeaa Al ses i TM T 13 T4 MB e Pic o FF e A ee Type MT3BI TTAM2ROGSEG VIZVIGPOBMILTI MOKOdgrZ ooo Sxa 400v 005 x6 A 50Hz Conn IS16101 No 12 345 678 H wg Cen TN 4 imp h AOL to 70 C m 091 Time THON impineh OD ci
47. event for installation is not set 1 Mx381 User manual eng V1 00 doc 96 ISKRAEMECO Tt ME381 and MT38I 5 5 3 3 Scan for M Bus devices The e meter manages a list of device addresses connected to The list can hold four M Bus devices During installation the e meter will scan for devices on the wired M Bus All responding devices will be registered in the list If for some reason communication is required between e meter and an M Bus device registered in the list a request for the reading will be pushed to the queue and executed after scanning stops Two methods are supported to discover M Bus devices connected to e meter e Poll for device with address O e Poll for devices with unregistered address 5 5 3 4 Poll for Devices with Address 0 Address 0 is reserved for unconfigured M Bus devices Each unconfigured M Bus device shall accept and answer all communication to this address EN 13757 2 section 5 7 5 The e meter will select an unused device address and set M Bus device address to it Following this procedure the e meter will request M Bus data set event New M Bus device installed ch x 1 and raise alarm M Bus device installed ch x 5 9 3 5 Poll for Devices with Unregistered Address Poll method is based on the procedure outlined in EN 13757 3 section 11 5 Addresses from 1 to 6 are scanned and if there is at least one channel still empty also address O is scanned no matter if the address of the M Bus devic
48. key Local h Table 56 Disconnector modes For effective use of functionalities meter must be properly configured Depending on the mode selected manual reconnection and disconnection is possible by pressing the Scroll key anne k Manual reconnection all control modes Display shows ConnEct Press T the Scroll key for 5 seconds until EntEr appears on the display and HER then release the key Lotte v Yv Manual disconnection control modes 1 2 5 Press the Scroll key for 10 seconds until dl8conn appears on the display and then release it The switchover can be also made remotely by executing remote d Seann disconnect or remote reconnect method Transition change is described in Disconnect control IC state diagram BB10ed p 84 For manual reconnection of the meter which is placed in the meter cabinet the non potential external key on the door of the cabinet can be used Method Description e Remote disconnect forces the disconnector into disconnected state if remote disconnection is enabled control mode gt 0 e Remote reconnect forces the disconnector into the ready for reconnection state if a direct remote reconnection is disabled control mode 1 3 5 6 or into connected state if a direct remote reconnection is enabled control mode 2 4 Mx381 User manual eng V1 00 doc 155 ISKRAEMECO Tt ME381 and MT38I 6 9 3 Disconnect control log Contains all events related to the disc
49. made of nickel plated brass with slot head type The conductors can be fixed with two screws per terminal and Iskraemeco s design of cage clamps At MT381 T1 meters the current terminals are made of brass The surface of terminals can be additionally protected with nickel for the areas with extreme climatic conditions e g tropical area Screws can be made of nickel plated brass with slot head type or can be made of zinc plated steel with pozidrive nr 1 head type The conductors can be fixed with two screws per terminal An universal clamping terminals at direct connected meters assure the same quality of the contact irrespective of the shape of the connection conductor a compact wire a stranded wire of greater or smaller cross sections They also assure faster meter assembly Current terminals e current terminals for direct connected have 8 5mm hole diameter for 85A terminal block and 9 5mm hole diameter for 120A terminal block e current terminals for MT381 T1 meters have 5mm hole diameter The meter is equipped with max four additional voltage terminals 2 L1 5 L2 8 L3 and 11 N They enable simple connection of additional external devices See Figure 3 and Figure 5 At ME381 and direct connected MT381 meters the voltage terminals and screws are made of zinc plated steel AT MT381 T1 meters voltage terminals are made of brass which can be protected with nickel for the areas with extreme climatic conditions e g tropi
50. meter connection into the network The meter connection diagrams for Mx381 meters are shown on the following four Figures Figure 7 ME381 meter connection diagram BS connection eT uous H in LY TAE dod SN S der EE asla bol led bolsi 4 Ee bp ui LAM 230V 0 1A 2350V 64 230v AC DC zS Figure 8 MT381 meter connection diagram direct connection Mx381 User manual eng V1 00 doc 26 ISKRAEMECO t ME381 and MT381 a Ch N r E LL Fe ES loa Mbus Ji 5l Zell diL em 33 35 34 Jon 91 50 51 85 80 HHHH PS Ee lt E eg Se iso ES zd Bee ee Es S Q m e St Pm a A Nn mun di o 8 gt Bh h x i n m e CIE rej 13 3 kK Ll E uf LLL E E E 2 L t e wt mmm Ss d ETA Figure 9 MT381 meter connection diagram transformer operated meter 3 5 Energy and demand registration The meter measures and records electric energy Single phase two wire Three phase four wire networks total Y Li positive and negative active energy A A separately reactive energy per quadrants QI QII QIII QIV positive and negative reactive energy Q Q separately Q QI QII Q QIII QIV positive and negative apparent energy S S separately i absolute active energy A Meters are provided with two LEDs on the front plate They are intended for checking the meter accuracy Impulse constant depends
51. name 4 Flag 4 lit 00 05 name 5 00 06 name 6 00 07 name 7 00 08 name 8 Flag 1 flashing Flag 2 flashing Flag 3 flashing Flag 4 flashing co o oO B amp B Table 35 Active tariff register 5 5 Communication Bod Optical interface Optical interface operates according to IEC 62056 21 standard Electricity metering Data exchange for meter reading tariff and load control Part 21 Direct local data exchange for remote data exchange see other standards of the IEC 62056 series In such systems a hand held unit HHU or a unit with equivalent functions is connected to a tariff device or a group of devices The connection can be permanent or disconnectable using an optical or electrical coupling The optical coupler is easily disconnectable to enable data collection via HHU The protocol permits reading and programming of tariff devices It is designed to be particularly suitable for the environment of electricity metering especially as regards electrical isolation and data security Mx381 User manual eng V1 00 doc 86 ISKRAEMECO Tt ME381 and MT381 Optical interface is based on the reference model for communication in open systems It is enhanced by further elements such as protocol controlled baud rate switchover data transmission without acknowledgement of receipt The protocol offers several modes for implementation in the tariff device The HHU or equivalent unit acts as a master while th
52. network elements or elements which are in alarm state The discover process begins with a Discover request issued by the client Discover request contains Discover CI PDU and is broadcasted sent to ALL physical address MAC address The servers that have MAC address set to NEW or are in alarm state get a chance to respond in next time slots The servers that meet the reporting criteria respond with Discover Report CI PDU Discover Report is sent to ALL physical address MAC address The servers calculate random time slot for response and respond only if random time slot is within response probability requested in Discover request The servers that do not meet the reporting criteria do not send any respond Discover request arguments Response Probability this is unsigned integer between 0 and 100 It is the probability in per cent that the server that meets reporting criteria will respond Allowed Time Slots this is unsigned integer specifying the window in time slots that servers have available for response Discover Report Credit this is unsigned integer specifying the credit the servers have to use to set up the initial credit for Discover Report Mx381 User manual eng V1 00 doc 111 ISKRAEMECO Tt ME381 and MT38I e IC Equal Credit this is unsigned integer specifying the way how to compute the initial credit for Discover Report Discover Report arguments e Active Initiator System Title is a system title of th
53. nnne ns 101 MESON Ae ia EOR i i MURr 104 The frequency bands in the CENELEC standard 105 PLC system mhemeter nennen nennen nnn nnns nna nnne nnne nnne nne a is 105 DLMS COSEM S FSK PLC communication Droe 106 NUAGES ege dee Ee Ee eech 108 Bho et bt 109 PROD IUO MR OT E e 110 PLC network managettebl EE 111 Server responses to a repeater call 113 The repeater allocation services nennen nnne nennen nnns 113 The alarm management services 115 S FSK reporting system list COSEM obiect esse eeseeeseeeeseeeseeees 125 Signal strength COSEM obect 127 Signal strength COSEM obiect 127 Terminal cover opening switch esses nennen nennen 128 zio E 135 Alarm reporting procesSS nennen nsn nsesseisei siens sei saisie snae sean 143 SALONI ne BE 148 Disconnector for MT381 D1 esses nennen nennen nnne nen nnns nnns 151 9 ISKRAEMECO Tt ME381 and MT381 Figure 96 Disconnector for MT A8 152 Figure 97 MT381 meter with disconnector nennen nnne nennen nnn nnns 152 Figure 98 Disconnect state control diagram esses nennen nnne nnns 153 Figures 99 Limiter le EE 157 Figure 100 Monitoring phase current with constant threshold parameter 162 Figure 101 COSEM Logical Device Name Giruchure enne nnne 163 Figure 102 Identification Structure nennen nennen nennen nnne nnne anser ns 166 Figure 103 Revision Numbe
54. of missing broken neutral conductor I Detection of phase and voltage unbalance 1 Measurement and registration of under and over voltage Daily peak and minimum value Time of use registration up to 8 tariffs Tariffs change over internal RTC by IEC 61038 Two Load profile recorders Communication channels Infrared optical port IEC 62056 21 for local meter programming and data downloading I Built in M Bus communication interface I Built in RJ11 communication interface one way LCD In compliance with the VDEW specification Data display modes configurable Reduced type e Automatic cyclic data display 10 sec display time e Manual data display mode by pressing the Scroll key Normal type according to VDEW e Automatic cyclic data display mode e Manual data display mode s Load profile 1 configurable e Load profile 2 configurable Indicators 1 LCD Presence of phase voltages L1 L2 L3 Phase currents flow direction Active tariff at the moment Status of a disconnector Communication status Meter network status Critical error status Fatal Fault Status of at least one M Bus device installed in meter Mx381 User manual eng V1 00 doc 24 ISKRAEMECO zk ME381 and MT381 Status of DRO in progress I1 LED1 Imp kWh 1 LED2 Imp kVArh or Imp kVAh e Communication protocols I Optical port IEC 62056 21 mode C or DLMS in compliance with IEC 62056 46 I Identific
55. parameters by the specific procedure under specific conditions Menu navigation When the Reduced console menu type is active the user interface has only two modes Auto scroll mode and Manual scroll mode The first one shows data stated in a list in the General display readout object 0 0 21 0 1 Transition between the displays of individual data from a list is performed automatically By short pressing the Scroll key the program goes to the Manual scroll mode where data are listed by successive pressing the Scroll key A data list that can be checked in the Manual scroll mode is stored in the Alternate display readout object 0 0 21 0 2 A disconnector connection disconnection or emergency credit selection can be done with the Scroll key Mx381 User manual eng V1 00 doc 63 ISKRAEMECO Tt ME381 and MT38I Display Test E 6s 120s no activity Auto scroll Scroll key hold gt 8s 0 0 21 0 2 Manual scroll Display Test 0 0 21 0 1 y Scroll key hold gt 8s on Cm Ple z Legend A Release Scroll key Scroll key release e TE and press again SKH Scroll key hold SCMD Scroll command CB Circuit Breaker EC Emergency credit x Conditition is valid when Emergency credit EC is enabled Figure 50 Menu navigation diagram for reduced console Mx381 User manual eng V1 00 doc 64 ISKRAEMECO Tt ME381 and MT381 4 4 3 2 Normal console menu type Normal console menu type is activated by t
56. passwords are used for this port e energy formatis set to 8 2 8 digits including 2 decimals and with units Example 1 0 1 8 0 000000 00 kWh e demand format is set to 6 3 6 digits including 3 decimals and with units Example 1 0 1 4 0 000 000 kW 0 9 2 2 P1 physical connector The connector is RJ11 The metering system holds a female connector The customer can plug in a standard RJ11 plug Note that the connector in the metering system is physically accessible at all times and is not sealed or protected by a sealed cover Pin Signal name Description 1 2 Request Input 3 GND Ground 4 5 Data Output 6 Table 36 RJ11 pins Mx381 User manual eng V1 00 doc 91 ISKRAEMECO Tt ME381 and MT381 Figure 70 P1 port connection 0 9 2 3 P1 port readout list With this object data readout information can be set This information can usually be retrieved locally over optical interface using IEC62056 21 mode C or remotely over P3 communication interface For effective use of functionalities meter must be properly configured 5 5 2 4 Consumer messages If a device is connected the meter will send the consumer message code and or text over the P1 interface every 10 seconds The meter has storage capacity for one 64 character code message and one 1024 character text message Both messages are handled independently but in the same way Consumer message code Consumer message code can be
57. shown on P1 port and on the display Maximum size value is 64 If more characters are written the last ones will be cut Message code can also be shown on general display in visible string format and stays there until message code is cleared Scroll key pushed or empty value written This message code has the priority above other display actions Only supported characters can be shown on display If unsupported character is written in message code it could not be formatted and message Error 31 is presented on the screen which means that message formatting has been failed More details can be found in chapter Console For effective use of functionalities meter must be properly configured Mx381 User manual eng V1 00 doc 92 ISKRAEMECO t ME381 and MT381 Example ASCII message code presented on display as tESt123 and message code presented on P1 port as 74 45 53 74 31 32 33 Display Pp P LECT 7t a Liat bee tes P1 port ISk52ME381 1007 0 0 96 13 1 74455374313233 Consumer message text Consumer message text is sent to port P1 without any further interpretation with maximum of 1024 characters in ASCII format For effective use of functionalities meter must be properly configured Example ASCII message text is presented on P1 port as 30 31 32 33 34 35 36 37 38 39 P1 port ISk52ME383 1007 0 0 96 13 0 30313233343536373839 0 9 2 5 Protocol description The protocol is based on NEN
58. the corresponding alarm Recorded bit remains active until it is Mx381 User manual eng V1 00 doc 146 ISKRAEMECO Tt ME381 and MT381 cleared by the client This registers cannot be cleared by the device Structure of the Alarm status is the same as the Alarm register 6 Errors The meter uses its automatic supervision mechanism to detect and log different types of events related to meter operation These events can be a part of meter s internal functionality or can occur due to changes in the meter s environment When an event which indicates a malfunction in meter operation is triggered the appropriate flag in the error register is set Once a flag in the Error register object 0 0 97 97 0 255 is set it remains active even after the corresponding error condition has disappeared The Error register object has to be cleared manually using supported communication interfaces If after the flag in the error register has been cleared the corresponding error condition still remains the flag in the error register is re set by the meter During operation the meter performs tests of individual functions In case of an error it is represented with corresponding error bit in the Error Object register and FF flag on the LCD display is set The Error Object value register is 32 bits long and is organized in 4 groups of errors s Memory errors e Communication errors e Clock errors e Control errors 6 7 1 Error register Mx381 meters
59. the identifiers of the active initiator which has last registered the system with a Register request See IEC 61334 4 511 7 2 The Initiator system is identified with its System Title MAC address and L SAP selector Unless otherwise specified in a system specification e When the IEC 61334 4 32 LLC layer is used e When the HDLC based data link layer is used IEC 62056 46 Green Book Clause 8 e When the ISO IEC 8802 2 LLC layer is used The system title of the initiator should have the same structure as the COSEM logical device name specified in DLMS UA 1000 1 sub clause 4 1 8 2 If the System Title field of this object is set to Os it means that the system is not registered The MAC address element is used to update the initiator MAC address MAC management variable when the system is configured in the synchronization locked state See the specification of the initiator MAC address and the synchronization locked attributes of the S FSK Phy amp MAC setup IC As long as the server is not registered by an active initiator the L SAP selector field is set to and the system title field is equal to an octet string of Os Mx381 User manual eng V1 00 doc 119 ISKRAEMECO Tt ME381 and MT381 The value of this attribute can be updated by the invocation of the reset NEW not synchronized method or by the CIASE Register service Method Description Reset NEW not synchronized Holds the MIB variable reset NEW not synchronized variable 17 specifie
60. the same safety regulations and inetriictiang as for installation of the meter CAUTION Visible signs of fraud attempt mechanical damages presence of a liquid etc must be regularly checked The quality of seals and the state of the terminals and connecting cables must be regularly checked If there exist a suspicion of incorrect operation of the meter the local utility must be informed immediatelly After the end of the meter s lifetime the meter should be treated according to the Waste Electric and Electronic Directive WEEE 2 Energy metering and Mx381 meters Mx381 family meters are designed for up to eight tariff measuring of active reactive and apparent energy in one or two energy flow directions The meter measures consumed energy in single phase two wire networks or three phase four wire network for direct or indirect connection Measuring and technical characteristics of the meter comply with the IEC 62052 11 and IEC 62053 21 international standards for electronic active energy meters class 1 and 2 and reactive energy meters classes 2 or 3 in compliance with IEC 62053 23 as well as a standard for time switches IEC 62052 21 Meters are designed and manufactured in compliance with the standards and ISO 9001 as well as more severe Iskraemeco standards Meter utilizes the DLMS communication protocol in compliance with the IEC 62056 46 standard as well as IEC 62056 21 mode C protocol The Mx381 meters are members of the t
61. triggered it Event codes are stored in corresponding Event code objects Each event object holds only the most recent event The event code object has the value of O until the first event is detected generated by the meter or every time a power up is performed 6 5 2 Event log objects Instances of event code objects are captured in corresponding event logs Event log objects are instances of COSEM class profile generic and are used to store events They are organized as FIFO buffers where records are sorted by time Once the buffer is full the oldest entry in the buffer is the first to be replaced The capacity maximum number of records in a buffer of the event log objects varies from object to object Records in the buffer are captured asynchronously as the events occur The majority of the supported event log objects with the exception of Power failure event log follow the same basic structure containing the timestamp time of the occurrence of the event and the event code object The meter features the following event log objects Event log object logicalname capacity captured objects Standard event log 0 0 99 98 0 255 100 D rs Fraud detection log 0 0 99 98 1 255 30 EE Disconnector control log 0 0 99 98 2 255 30 Du M Bus event log 0 0 99 98 3 255 30 ru e Power quality event log 0 0 99 98 4 255 100 d ee M Bus control log 0 x 24 5 0 255 12 Ee x represent M Bus channel from 1 to
62. value of the timeout is equal to 0 this means that the feature is not used The timeout starts when the server receives the first frame with a valid initiator MAC address A Fast synchronization may be performed if the level of signal and the gain are good enough Gain lt Search Initiator Gain and one of the MAC addresses Source or Destination is an Initiator MAC address This means the module is next to a DC or next to a module that is already locked on that DC The module locks in this case on that initiator Synchronization Confirmation Timeout It is the time after which the server loses the frame synchronization when not receiving a valid MAC frame Holds the MIB variable synchronization confirmation timeout variable 6 specified in IEC 61334 4 512 sub clause 5 3 and IEC 61334 5 1 4 3 7 6 It defines the value of the time expressed in seconds after which a server system which just gets frame synchronized detection of a data path equal to AAAA54C7 hex will automatically lose its frame synchronization if the MAC sub layer does not identify a valid MAC frame The timeout starts after the reception of the first four bytes of a physical frame Mx381 User manual eng V1 00 doc 120 ISKRAEMECO Tt ME381 and MT381 The value of this variable can be modified by a client system This time out ensures a fast de synchronization of a system which has synchronized on a wrong physical frame See IEC 61334 5 1 3 5 3 for more details The de
63. 0 minute recording period 1800 e 1 hour recording period 3600 e 1 day recording period 86400 Specific Methods M Bus master load profile has two methods implemented e Reset erases captured values e Capture performs capturing when executed not supported for M Bus load profile For effective use of functionalities meter must be properly configured 5 5 3 12 M Bus status M Bus status object shows the sum of status register bits set Each bit has a different meaning as shown below There is one status object for each of four channels 9 0 3 13 M Bus event log M Bus Event Log contains errors and alarms related to M Bus devices e g changes of the clock communication errors fraud attempt etc The buffer must be filled monotonously i e no irregular entries are allowed M Bus Event Log structure consists of Timestamp and Event Code 0 9 3 14 M Bus event log status codes M Bus event code object holds the code from the last event triggered These codes along with timestamps are then used in M Bus event log 5 5 3 15 M Bus disconnector control M Bs master disconnect control The object 0 b 24 4 0 controls the opening and closing of an M Bus disconnector e g gas valve There is one object for each of four channels b 1 4 Mx381_User_manual_eng_V1 00 doc 100 ISKRAEMECO F Disconnect control mode oO Remote Reconnect d Disconnected State 0 Remote D
64. 0470 3 Class 2 or 1 IEC 62053 21 Reactive energy Class 3 or 2 IEC 62053 23 Apparent energy Calibrated up to 3 Outputs Type OPTO MOS relay Auxiliary control switch Contact Make or break contact Permitted load 100 mA Voltage 250V AC Pulse length From 30 ms to 200 ms adjustable in steps by 1 ms Transmission Up to 1000m distance Type Relay Load control switch Voltage 250 V AC Switching voltage 250V AC Maximum switching 6A current Switching power 1500VA Mx381 User manual eng V1 00 doc 184 ISKRAEMECO F ME381 and MT381 Inputs Alarm input Voltage level 100 240 V AC Potential free key Voltage level No voltage Self consumption Self consumption of current circuit Indirect connection 0 12 VA phase Direct connection 0 005 VA phase Self consumption of voltage circuits 0 9 W 2 3 VA L2 and L3 0 9 W 5 6 VA L1 DLC modem connected DLC communication established 1 2 W 2 9 VA L2 and L3 1 2W 6 00 VA L1 Communication Port O Infra red optical interface IEC 62056 21 or IEC62056 46 Port 1 In house device wired interface IEC62056 21 Port 2 M Bus wired interface for multiutiliy EN 13757 Port 3 PLC communication interface LED output Type LED red Number 2 function KWh kvarh KWh kVA programmable Impulse frequency 2 5 kHz
65. 1 BS front plate MT381 D1 front 1 Em MT381 D2 front EE MT381 T1 front plate Full Mx381 LCD display fields Characters represented on a deplay nennen nnns Reggie Hee ere enna T I T Tm Displaying value with format 60 Dislpaying value with format 82 Displaying negative value with format 42 Displaying negative value with format 80 Displaying negative value with improper format 42 according to register value Ident format failed message Tariff on display Signature on display LEDs at ME381 meter Mx381 User manual eng V1 00 doc ME381 and MT381 ISKRAEMECO F Figure 48 Figure 49 Figure 50 Figure 51 Figure 52 Figure 53 Figure 54 Figure 55 Figure 56 Figure 57 Figure 58 Figure 59 Figure 60 Figure 61 Figure 62 Figure 63 Figure 64 Figure 65 Figure 66 Figure 67 Figure 68 Figure 69 Figure 70 Figure 71 Figure 72 Figure 73 Figure 74 Figure 75 Figure 76 Figure 77 Figure 78 Figure 79 Figure 80 Figure 81 Figure 82 Figure 83 Figure 84 Figure 85 Figure 86 Figure 87 Figure 88 Figure 89 Figure 90 Figure 91 Figure 92 Figure 93 Figure 94 Figure 95 Mx381 User manual eng V1 00 doc ME381 and MT381 LEDs at UNUM TH 61 Reset and Scroll key c Seege 62 Menu navigation diagram for reduced console ceca eeseeeeeeeeeeeeseeeeeeeeaeeaes 64 Entering the D
66. 1 200 ms Device Address Device address is intended to identify a meter in the group of meters Each meter in one group must therefore have a unique number Eight digits 1 to 9 should be used Passwords There is a password for communication channels e settings password used in IEC 1107 where entrance password needs to match this password and one of four authentication keys eight digits 1 to 9 should be used 5 5 1 4 IEC HDLC setup COSEM object includes several attributes described as follows Communication Speed Selection can be made between these rates e 0 300 baud 1 600 baud 1200 baud 2400 baud 4800 baud 9600 baud 19200 baud 38400 baud 5 600 baud e 9 115200 baud 2 3 4 5 6 T 8 9 Window Size Transmit Attribute defines the maximum number of frames that a device or system can transmit before it needs to receive an acknowledgement from a corresponding station During logon other values can be negotiated Window Size Receive Attribute defines the maximum number of frames that a device or system can receive before it needs to transmit an acknowledgement to the corresponding station Maximum Info Length Transmit Attribute defines the maximum information field length that a device can transmit Maximum Info Length Receive Attribute defines the maximum information field length that a device can receive Inter Octet Time Out Attr
67. 1 Table 60 COSEM logical device name example 2 6 11 3 Device number Device number is unique meter number in certain group of meters The number is ASCII encoded The length of the ID must be eight 8 octets The number is copied into IEC local port setup object 0 0 20 0 0 and is used when accessing the meter through IEC 61056 21 former 1107 protocol For effective use of functionalities meter must be properly configured 6 11 4 Device ID Meter has nine different device ID s e Device ID 1 E Meter serial number e 0 e Device ID 2 E Meter equipment ID e 1 e Device ID 3 function location e 2 e Device ID 4 location information e 3 e Device ID 5 general purpose e 4 e Device ID 6 e 5 e Device ID 7 e 6 e Device ID 8 e 7 e Device ID 9 meter ID e 8 Mx381 User manual eng V1 00 doc 164 ISKRAEMECO t ME381 and MT381 6 11 4 1 Device ID 1 Device ID1 is e meter factory serial number also reflected in a COSEM logical device name The number is ASCII encoded The length of the ID must be eight 8 octets For effective use of functionalities meter must be properly configured 6 11 4 2 Device ID 2 Device ID2 is customer ID The number is ASCII encoded The length of the ID must not exceed forty eight 48 octets 6 11 4 3 Device ID 3 Device ID3 represents function location The number is ASCII encoded The length of the ID must not exceed forty eight 48 oc
68. 1 Ident format failed Error 23 Ident not existing Error 31 Value format failed Table 26 Error codes on display 4 4 1 11 Console period Three console period timings are defined in meter which are all fixed and cannot be changed e exit period after last pressed key default is 120s e auto scroll period default is 10s s backlight lit time after pressed key default is 30s 4 4 1 12 Horizontal scroll Presentation of strings on display is performed with horizontal scroll if the size of string is larger than the size of alphanumeric field for value on display 8 characters Horizontal scroll shift period is one second When the horizontal scroll is performed in Auto scroll mode the auto scroll period 10s is extended until end of the string is reached 4 4 1 13 Tariff on display Active tariff is indicated on display by an appropriate cursor as it is defined above For details see Chapter 4 4 1 7 Active tariff can also be displayed with a dedicated name For this purpose the Currently active energy tariff object 0 0 96 14 0 needs to be set in Mx381 User manual eng V1 00 doc 59 ISKRAEMECO Tt ME381 and MT381 General display readout list 0 0 21 0 1 for use in Auto scroll mode sequence or Alternate display readout list 0 0 21 0 2 for use in Manual scroll mode sequence Active tariff name can be constructed with the characters that are supported for presentation on display Limitations Maximum n
69. 1 and MT381 e 0 False e 1 True Disconnect Control State Disconnect Control State defines the internal state of the disconnect unit In the state Disconnected the meter disconnects the customer In the state Connected the customer is connected to the network gas water In the state Ready to reconnection customer can perform reconnection manually on the meter Possible Disconnect control states are e 0 Disconnected Customer is disconnected e 1 Connected Customer is connected 2 Ready for reconnection Customer is disconnected Reconnection needs to be performed manually on the meter Method Description Remote disconnect forces the disconnector into disconnected state if remote disconnection is enabled control mode gt 0 s Remote reconnect forces the disconnect unit into the ready for reconnection state if a direct remote reconnection is disabled control mode 1 3 5 6 and forces it into the connected State if a direct remote reconnection is enabled control mode 2 4 M Bus disconnect control scheduler M Bus disconnect control scheduler 0 1 15 0 1 is dedicated time point for connection or disconnection There is one object for all four M Bus channels used Executed Script For executed script M Bus Disconnect control script table 0 1 10 0 106 should be used Selector needs to be selected according to the M Bus channel used and according to selected command
70. 1 to 7 5 5 4 10 S FSK reporting system list An instance of the S FSK Reporting system list class holds the list of reporting systems S FSK Reporting system list Logical name 0 0 26 6 0 255 Class ID S FSK reporting system list 56 Version O Reporting system list Access mode Read only p System title I 4C 47 5A 01 00 98 96 A6 4C 47 5A 01 00 98 96 AS 49 53 4B 65 01 FC 31 AC 49 53 4B 64 01 C9 C3 81 49 53 4B 03 03 02 F5 C7 Figure 88 S FSK reporting system list COSEM object Reporting System List This attribute holds the MIB variable reporting system list variable 16 specified in 61334 4 512 sub clause 5 7 Contains the system titles of the server systems which have made a Discover Report request and which have not already been registered The list has a finite size and it is sorted upon the arrival The number of elements in the array is limited to one The first element is the newest one Once full the oldest ones are replaced by the new ones The reporting system list is updated e When a Discover Report Cl PDU is received by the server system whatever its state non configured or configured the CIASE adds the reporting system title at the beginning of the list and verifies that it does not exist anywhere else in the list if so it destroys the old one A system title can only be present once in the list e When a Register Cl PDU is received by the server system whatever its state non
71. 160 ISKRAEMECO Tt ME381 and MT381 For effective use of functionalities meter must be properly configured Monitored Value Defines an object of specific class and it s attribute to be monitored GIZ specifications require next objects 1 0 31 7 0 1 0 51 7 0 and 1 0 71 7 0 For effective use of functionalities meter must be properly configured Actions This attribute defines the scripts to be executed when the monitored attribute of the referenced object crosses the corresponding threshold The attribute actions has exactly the same number of elements as the attribute thresholds The ordering of the action items corresponds to the ordering of the thresholds see above where e action up defines the action when the attribute value of the monitored register crosses the threshold in the upwards direction 0 0 10 0 106 1 0 0 10 0 106 2 e action down defines the action when the attribute value of the monitored register crosses the threshold in the downwards direction 0 0 10 0 106 1 0 0 10 0 106 0 6 10 3 2 Over threshold duration Defines the maximum duration in seconds how long can monitored value stay over the threshold level before disconnect occurs For effective use of functionalities meter must be properly configured 6 10 3 3 Manual reconnection penalty time Defines the minimum duration in seconds how long we have to wait after the disconnect action before we can reconnect again Mx381 User m
72. 4 Mx381 User manual eng V1 00 doc 136 ISKRAEMECO Se ME381 and MT381 0 0 1 0 0 255 0 0 96 7 19 255 0 0 1 0 0 255 0 0 96 128 0 255 0 0 96 128 1 255 0 0 96 128 2 255 Power failure event log 1 0 99 97 0 255 10 Certification data log 1 0 99 99 0 255 100 Table 43 Event log objects 6 5 3 otandard event log Standard event log contains all events not recorded in a special event log e g changes of the clock changes of the configuration clearing of profiles all kind of self check errors activation of new parameters activation of new time of use etc Standard event log structure consists of timestamp and event code 6 5 3 1 Standard event log codes Standard event log code object holds the code from the last event triggered These codes along with timestamps are then used in event log Standard IDIS event codes are listed in Table below Indicates a complete power down of the device Please note that this is related to the device and not 1 Power Down necessarily to the network 2 Power Up Indicates that the device is powered again after a complete power down 3 DST enabled or Indicates the regular change from and to daylight saving time The timestamp shows the time after disabled the change This event is not set in case of manual clock changes and in case of power failures 4 Clock adjusted Indicates that the clock has been adjusted The date tim
73. 42 List of events in the M Bus control og 143 Alann 1 codes IDIS PUP 2 T Q 145 Alarm 2 COGS IDIS P2 Jerinin N Ea M 145 Assignment of alarm descriptor bits eeeeesssessssessssseeeennenneee nennen nnne 146 IDIS error codes register sesssssssssssssesee nennen nnne nennen nnns nnn nnne snas sns ns 148 IE error codes register nennen nennen nne nnne saei aeree sn ei ase nar ae sane nnns 148 Disconnect transitions sssssssssssssssseseseeeeen eee nne nennen nnne enar rne nna rsa rre nnns 153 Disconnector modes nenanoeeseenrrerrrerrerrrnrrnrrrerrerrrnrrnrrrrnnrnrrnrrrennernrnrrnrrnennerurnrrnennennene 155 The IDIS Device Type Meammg 163 The IDIS Function Type Meanmg 163 COSEM logical device name example A 163 COSEM logical device name example 2 164 Meaning of Revision Number Characters nennen nennen nnns 167 Dip amp swell detection model enemies 168 Set of supported dente 177 Supported authentication mechanism names s nonnnansnnennsnninarenrsrrnrrrrrnrsrrsrrnrrnrrrrsrrnene 177 Applicaton CONTEXT NAMES T Oo Om 178 Sep SUO esce nee ipid Eso rdi Mera iua ME ee UMEN BEIM MOM NU 179 11 ISKRAEMECO Tt ME381 and MT381 Disclaimer Iskraemeco d d reserves the right to change these document at any time without prior notice No part of this document may be reproduced stored or transmitted in any form whatsoever without prior written a
74. 5 4 Activity calendar and TOU registration Tariff program is implemented with set of objects that are used to configure different seasons or weekly and daily programs to define which certain tariffs should be active Also different actions can be performed with tariff switching like for example registering energy values in different tariffs or switching on off bi stable relay Graphical tariff program illustration can be seen on figure below 4 Active Tariff Switch Register Activation i Source Energy C A Rama Misk Lil Activity l M x Tariffication ee Calendar Script Table Register Activation 1 z Demand i REgislars Mcek Lie Passive Special Tariff Days Inpuls Figure 65 Graphical tariff program TOU capabilities e Up to 8 tariffs e Up to 8 masks for configuring different combinations of tariff registers e Upto 12 seasons tariff programs e Upto 12 week tariff programs e Up to 12 day tariff programs e Upto 16 actions per day tariff program e Up 64 special day date definitions Possible ways of tariff switching are e Separate energy and demand tariff switching e Tariff switching via internal RTC by IEC 61038 9 4 1 Tariff program Tariff program configures different seasons or weekly and daily programs to define which certain tariffs should be active Different actions can be performed with tariff switching like registering energy values in different tariffs or s
75. 70 C less than 0 015 K Ingress IP 54 protection IEC 60529 Protection class IEC 62052 11 m Double insolation Display Peep coer MkVAr P m nr rr ABBAS I I AAAA P OW WA N ON NA W W E LU D T L T MB SD DRO FF E 1 kV differential mode Number of digits for OBIS code 5 Index digit size 3 x 6 mm Number of digits for value 8 Index digit size 4 x 8 mm Climatic Indoor meter er Mechanical Meter passed all mechanical tests like schock and vibration tests conditions Terminals diameter Indirect Zeien gees Direct connected meter with 85A Mx381 User manual eng V1 00 doc 1 CO 6 ISKRAEMECO F ME381 and MT381 terminal block Diameter 8 5 mm Tightening torque Max 2 5 Nm Direct connected meter with 120A terminal block Diameter 9 5 mm Tightening torque Max 2 5 Nm Mechanical M1 environment Electromagnetic E2 environment Climatic class 3K7 Dimensions 250 x 178 x 86 mm3 long terminal cover 193 x 178 x 86 mm3 short terminal cover 310 x 178 x 108 mm3 meter with disconnector Mass MT382 D2 Approx 1 37 kg MT382 D2 with disconnector Approx 2 13 kg MT382 T1 Approx 1 30 kg Owing to periodically improvements of our products the supplied products can differ in some details from data stated in this user manual Iskraemeco d d Energy Measurement and Management UK Distr
76. 8 1 Instantaneous power factor Instantaneous power factor 13 7 0 33 7 0 53 7 0 73 7 0 Table 16 Instantaneous power factor objects Mx381 User manual eng V1 00 doc 38 ISKRAEMECO Tt ME381 and MT381 3 6 8 2 Last average power factor Last average power factor 13 5 0 Table 17 Last average power factor 3 6 9 Energy In all connection variants meter provides following energy values e positive and negative active energy A A sum of all phases positive and negative reactive energy R R sum of all phases e quadrant reactive energy QI QII QIII QIV sum of all phases e positive and negative apparent energy S S sum of all phases e absolute active energy A A sum of all phases e netactive energy Ar A sum of all phases Reactive R OI Ql Active OU QIV d Energy Energy production consumption Figure 18 Quadrant cross Positive and negative reactive energy power can be registered as Q QI QII and Q QIII QIV Besides total registration Mx381 meter provides up to 8 tariffs for energy and demand registration Related to energy accumulation in time Mx381 meter provides the following energy values e total values e tariff values Mx381 User manual eng V1 00 doc 39 ISKRAEMECO Tt ME381 and MT381 3 6 9 1 Total energy values SUM A 1 8 0 A 2 8 0 Q 3 8 0 Q 4 8 0
77. 8 7 45 128 7 15 128 7 25 128 7 35 Level 6 15 lt U lt 10 128 7 46 128 7 16 128 7 26 128 7 36 Level 7 U lt 15 128 7 47 128 7 17 128 7 27 128 7 37 Table 8 Voltage levels 3 6 4 5 Voltage sags and swells Magnitude for voltage sag Magnitude for voltage swell 12 34 0 12 38 0 Table 9 Magnitude for voltage sags and swells Magnitude of last voltage sag 32 34 0 52 34 0 72 34 0 Magnitude of last voltage swell 32 38 0 52 38 0 72 38 0 Table 10 Magnitude of last voltage sag and swell 3 6 5 Current 3 0 9 1 Instantaneous current Instantaneous current is measured in the meter every 100ms Instantaneous current Table 11 Instantaneous current objects 3 6 5 2 Sliding average current Sliding average current 31 4 0 51 4 0 71 4 0 Table 12 Sliding average current Mx381 User manual eng V1 00 doc ISKRAEMECO Tt ME381 and MT38I 3 6 6 Net frequency 3 6 6 1 Instantaneous net frequency Instantaneous net frequency Table 13 Instantaneous net frequency object 3 6 7 Power 3 6 7 1 Instantaneous power A 1 7 0 A 2 7 0 Q 3 7 0 Q 4 7 0 S 9 7 0 S 10 7 0 ABS IA I IA I 15 7 0 Table 14 Instantaneous power objects 3 6 7 2 Average power A 1 24 0 ABS IA I IA I 15 24 0 NET IAt l IA I 16 24 0 Table 15 Average power 3 6 8 Power factor 3 6
78. A r r LE eme K 9izanazctContro ap ch SN d i E M E r F Channel x gt rome LL 27 te pane y Parli i SW P mmy z en A valn Su R H M P ve VI des E d Eet EH we GL 4 Vers s hb A Figure 73 M Bus channel model Mx381_User_manual_eng_V1 00 doc 95 ISKRAEMECO Tt ME381 and MT381 Up to 4 values related to consumption data can be extracted from the M Bus data frame and stored to the e meter registers Rule how to map data from the M Bus data frame to the e meter register could be defined by setting 4 DIF VIF register for particular channel For effective use of functionalities meter must be properly configured Read consumption values are represented forward to the system as COSEM extended register Billing reads data could be retrieved daily weekly monthly at specified time or on request from the system 5 5 3 1 M Bus general installation procedures During installation the M Bus addresses of M Bus devices will be registered in the e meter Note that there are two possibilities that M Bus device address is set to zero before installation or M Bus device has already an address preset to the value different from O M Bus installation process is performed with three different actions e with Slave install method of the M Bus Client Setup object locally or remotely over communication interface e with pressing the Reset key on the front plate of the e meter e with p
79. Demand according to averaging scheme 3 Averaging scheme 3 is realized with sliding window of known size The size is determined with two parameters First is the number of periods considered while the second is the duration of the period Interface consists of two distinctive registers First represents current average while the second resembles last average Last average Provides the value of the energy accumulated over the last time interval divided by duration of the time interval The energy of the current not terminated period is not considered by the calculation Mx381 User manual eng V1 00 doc 30 ISKRAEMECO Tt ME381 and MT381 Energy penoc e e J 4 lime Area of intrest Last TN lt p gt ais Area of intrest Lasma Figure 15 Calculation of demand over a known period with sliding window Current Average This attribute provides the current value running demand of the energy accumulated over area of interest Current time interval energ perioc lime Ca In me Nz4 Area of Intrest Curls Area of Intrest Curr T N 1 1 Figure 16 Calculation of demand over a known period with sliding window 3 5 2 2 Sliding demand registers COSEM Demand Register class allows modeling values with its associated scaler unit status and time information A Demand register object measures and computes a current_average_value periodical
80. EX when bit set Bit name Remarks 0 0x0001 RELAY OUTPUT Relay ON 1 0x0002 RELAY OUTPUT Relay OFF 2 3 4 0x0010 BREAKEROUTPUT Breaker OFF 5 0x0020 BREAKEROUTPUT Breaker ON 6 7 8 0x0100 SERVICE OUTPUT OptoMOS ON 9 15 gi Table 34 Output state control register Real time clock Depending on customer needs meters have three options of power storage devices which guaranty operation of Real Time Clock and Tamper functionality during power loss Option 1 One SuperCap Enables operation for 7 days when meter is previously charged for 24h continuosly Data is valid for ambient temperature 25 C Option 2 Two SuperCaps Enables operation for 20 days when meter is previously charged for 168h continuosly Data is valid for ambient temperature 25 C Mx381 User manual eng V1 00 doc 79 ISKRAEMECO Tt ME381 and MT381 Option 3 Lithium battery Enables operation of RTC and Tamper for longer periods Battery has 20 years life time and provides enough energy to enable 10 years operation For effective use of functionalities meter must be properly configured Clock object consists of several time date related attributes These attributes are divided into e Local time date e Time zone s Daylight savings time DST 9 2 7 Time Contains the meter s local date and time its deviation to UTC and the status NN X fea Week Hour Minute Second ME NR Clock Day ME Status Figure 63 Time and Date
81. Example for channel Mx381 User manual eng V1 00 doc 98 ISKRAEMECO Tt ME381 and MT381 5 5 3 8 M Bus client setup An M Bus master device may have one or more M Bus interfaces which can be configured using instances of the M Bus client setup interface class class ID 72 Each M Bus client setup object controls one M Bus slave device An M Bus slave device is identified with its Primary Address Identification Number Manufacturer ID etc as defined in EN 13757 3 Clause 5 Variable Data respond These parameters are carried by the respective attributes of the M Bus master setup IC Values to be captured from an M Bus slave device are identified by the Capture definition attribute containing a list of data identifiers DIB data information block VIB value information block for the M Bus slave device Values from a slave device can be captured into M Bus master value objects and M Bus master profile generic objects periodically or on an appropriate trigger It is also possible to perform operations like installing and de installing devices setting the clock setting the encryption key to M Bus master and slave Object includes setup parameters for M Bus master for every M Bus client There is an object for each of four channels b 1 4 5 5 3 9 M Bus identification numbers Device ID1 Device ID1 is M Bus Equipment identifier There is one object for each of four channels b 1 4 M Bus equipment identifier is one of the p
82. ISKRAEMECO T Energy Measurement and Management ME381 and M1381 User manual DM ISKRA T Es 1 H KEJ I Oo Ti be Seege e Aa dee Bis OE UU HIN ae 4 Lm 9 Document code EAK 020 615 258 UK Distributor SMS Metering Ltd Version 1 00 TEL 0845 604 7244 Date 04 07 2013 ee sales smsmetering co uk ISKRAEMECO gt ME381 and MT381 I About the User manual e User manual is intended to present the Mx381 meters x stands for E single phase meters or T three phase meters e The User manual represents the purpose of the Mx381 meters meter construction the way of deriving the measured quantities and meter functionalities e The User manual is intended for technically qualified personnel at energy supply companies responsible for system planning and system operation ii Reference documents e Functional description e Installation and maintenance manual li Versioning Date Version Update 04 07 2013 1 00 First version of document Mx381 User manual eng V1 00 doc 2 ISKRAEMECO zk ME381 and MT381 Table of contents er TL Umm 13 McD ROU Een 14 2 Energy metering and Mx381 meter 16 3 Mx381 meters introduction 00 2 0 ccccec ccc ceeeceeceeceeeseeceeceeeceeseeeaeeceeceeeaeeeeeseeseeeaes 18 3 1 E uite Ee Gef En e 18 3 2 MXx381 meter appearance sssssssssssssseseenenn nenne nnne nnn nsns nnns 20 3 3 Main meter properties 1 sesesesse
83. Imported active energy in the 3 tariff T3 1 8 4 Imported active energy in the 4 tariff T4 15 8 0 Total absolute active energy A 15 8 1 Absolute active energy in the 1 tariff T1 15 8 2 Absolute active energy in the 2 tariff T2 15 8 3 Absolute active energy in the 3 tariff T3 15 8 4 Absolute active energy in the 4 tariff ITA 2 8 0 Total exported active energy A 2 8 1 Exported active energy in the 1 tariff T1 2 8 2 Exported active energy in the 2 tariff T2 2 8 3 Exported active energy in the 3 tariff T3 2 8 4 Exported active energy in the 4 tariff T4 1 6 0 Total A imported maximum demand 2 6 0 Total A exported maximum demand F F 0 Meter fatal error For effective use of functionalities meter must be properly configured 4 5 Voltage bridge Table 29 Display register codes ME381 and MT381 A sliding voltage bridge only on MT381 direct connected meters is intended for fast and simple separation of meter current and voltage circuit used for calibration or accuracy testing A special slider is built in each phase of the connection terminal It can be shifted up and down with a screwdriver When a voltage bridge is in O position it means that the voltage part is separated from the current part During the meter testing and calibration the sliding voltage bridges should be in position 0 When a voltage bridge is in position 1 the voltage part is not separated from the curren
84. Layer Electricity metering Data exchange for meter reading tariff and load control obis object identification system OBIS Electricity metering equipment Particular requirements Electronic meters for active energy classes 1 and 2 Electricity metering equipment AC Particular requirements Static meters for reactive energy classes 2 and 3 Electricity metering equipment AC General requirements tests and test conditions Metering equipment Electricity metering equipment AC General requirements tests and test conditions Tariff and load control equipment Distribution automation using distribution line carrier systems Data communication protocols Data link layer Logical link control LLC IEC 61334 4 512 Distribution automation using distribution line carrier systems Data communication protocols System management using profile 61334 5 1 Management Information Base MIB Mx381 User manual eng V1 00 doc 18 ISKRAEMECO Tt ME381 and MT381 IEC 61334 5 1 Distribution automation using distribution line carrier systems Lower layer profiles The spread frequency shift keying S FSK profile ISO IEC 8802 2 Information technology Telecommunications and information exchange between systems Local and metropolitan area networks Specific requirements Logical link control RFC 1321 MD5 Message Digest Algorithm RFC 1332 The Internet Protocol Control Protocol IPCP RFC 1570 PPP Link Control Protocol
85. O Status is represented as a decimal number which is a result of all input or output function statuses Each input or output function has its own designated bit in 16 bit input or output register This bit can be enabled logical 1 or disabled logical 0 According to that HEX number is a result of the whole binary register word Not all bits in the register are used and some are reserved for future functions XXXXXXXXXXXXXXXX Bit jn 0 5 2 9 1 State of the input control signals Input control status register 0 0 96 3 1 includes this input function bits Mx381 User manual eng V1 00 doc 78 ISKRAEMECO T ME381 and MT381 o Bit HEX when bit set Bit name Remarks 0 5 6 0x0040 ALARM IN 1 20 15 or 50 51 7 0x0080 ALARM IN 2 85 80 8 12 13 0x2000 SCROLL KEY Key pressed 14 0x4000 RESET KEY Key pressed 15 0x8000 PARAM LOCK SWITCH Locked Table 32 Input state control register 5 2 5 2 State of the output control signals Output control status register 0 0 96 3 2 includes this output function bits For 1 phase meter Bit HEX when bit set Bit name Remarks 0 0x0001 RELAY OUTPUT Relay ON 1 0x0002 RELAY OUTPUT Relay OFF 2 3 4 0x0010 BREAKER OUTPUT Breaker ON 5 0x0020 BREAKER OUTPUT Breaker OFF 6 7 8 0x0100 SERVICE OUTPUT OptoMOS ON 9 15 Table 33 Output state control register For 3 phase meter Bit H
86. QI 5 8 0 QII 6 8 0 QIII 7 8 0 QIV 8 8 0 S 9 8 0 S 10 8 0 ABS IA I IA I 15 8 0 NET IA I IA I 16 8 0 Table 18 Total energy objects 3 6 9 2 Tariff energy values Total tariff A 1 8 e A 2 8 e Q 3 8 e Q 4 8 e QI 5 8 e QII 6 8 e OI 7 8 e QIV 8 8 e S 9 8 e S 10 8 e ABS IA IA I 15 8 e lt e gt is used as tariff index from 1 to 8 Table 19 Tariff energy registers 3 6 9 3 Average demand SUM A 1 4 0 A 2 4 0 Q 3 4 0 Q 4 4 0 S 9 4 0 S 10 4 0 ABS IA IA I 15 4 0 Table 20 Average demand objects Mx381 User manual eng V1 00 doc 40 ISKRAEMECO Tt ME381 and MT381 3 6 9 4 Last average demand SUM A 1 5 0 A 2 5 0 Q 3 5 0 Q 4 5 0 S 9 5 0 S 10 5 0 ABS IA I IA 15 5 0 Table 21 Last demand objects 3 6 9 5 Maximum demand SUM Tariff A 1 6 0 16 e A 2 6 0 26e Q 3 6 0 36 e Q 4 6 0 4 6 e S 9 6 0 96 e S 10 6 0 10 6 e ABS IA IA I 15 6 0 15 6 e lt e gt is used as tariff index from 1 to 8 Table 22 Maximum demand objects 3 6 10 Measurement period parameterization Measurement period can be manipulated with settings in measurement period parameterization objects Measurement period 1 0 8 0 Measurement period 3 0 82 Table 23 MP configuratio
87. TRUE the system is in the synchronization locked state In this state the initiator MAC address is always equal to the MAC address field of the active initiator MIB object See attribute 2 of the S FSK Active initiator IC If the value of this attribute is equal to FALSE the system is in the synchronization unlocked state In this state the initiator MAC address attribute is always set to the NO BODY value a value change in the MAC address field of the active initiator MIB object does not affect the content of the initiator MAC address attribute which remains at the NO BODY value The default value of this variable shall be specified in the implementation specifications In the synchronization unlocked state the server synchronizes on any valid frame In the synchronization locked state the server only synchronizes on frames issued or directed to the client system the MAC address of which is equal to the value of the initiator MAC address attribute DLC Speed With this attribute DLC speed 300 600 1200 or 2400 baud can be set 5 5 4 6 S FSK active initiator An instance of the S FSK Active initiator class stores the data of the active initiator client The active initiator is the client system which has last registered the server system with a CIASE Register request See IEC 61334 5 511 7 2 Active Initiator Holds the MIB variable active initiator variable 15 specified in IEC 61334 4 512 sub clause 5 6 This attribute contains
88. The interface is protected against reversed connection and necessary over voltage protection To ensure a safe stable solution the connection consists of three signals request signal Mx381 User manual eng V1 00 doc 90 ISKRAEMECO Tt ME381 and MT381 e data signal e ground signal The port is activated by activating raising the request signal 5V While receiving data the requesting device must keep the request port activated high The meter sends data to the P1 port every 10 seconds after raising request in order to receive frequent and up to date results When more than one OSM is connected to the meter each OSM may request data input and all OSM will receive the same data sent by the meter There is no address for P1 devices and more than one OSM can be connected activated or not Dropping the request line by connecting to ground is not allowed to prevent short circuit Modulating the request signal is not allowed Data transfer will stop immediately after the request signal is dropped The meter completes the data transfer within 8 seconds All signals are compliant with TTL levels with max current Ih max 30mA and voltage 30V TTL signal level is 5mA and 5V 0 9 2 1 P1 port settings Parameters for P1 interface are set as e communication type is set to IEC 62056 21 IEC 1107 e communication speed is set to fixed 9600 baud e response time is set to 200ms e no addressing is necessary for this port e no
89. al port is designed in accordance with standards The meter connection diagram is in the form of label and is placed on the inner side of the terminal COVer Mx381 User manual eng V1 00 doc 44 ISKRAEMECO t ME381 and MT381 4 2 1 Terminal block A terminal block complies with the DIN 43857 standard It is made of self extinguishing high quality polycarbonate Terminal cover is made in the color of the meter light grey At single phase meters ME381 D1 terminal block the current terminals are made of nickel plated steel screws are made of zinc plated steel pozidrive nr 2 head type The conductors can be fixed with one screw per terminal and Iskraemeco s design of cage clamps At ME381 D3 terminal block current terminals are made of brass The surface of terminals can be additionally protected with nickel for the areas with extreme climatic conditions e g tropical area Screws are made of zinc plated steel with pozidrive nr 2 head type The conductors can be fixed with two screws per terminal At three phase meters MT381 D1 with 85A terminal block the current terminals are made of nickel plated steel Screws can be made of zinc plated steel with pozidrive nr 2 head type The conductors can be fixed with one screw per terminal and Iskraemeco s design of cage clamps At MT381 D2 with 120A terminal block the current terminals are made of nickel plated steel Screws can be made of zinc plated steel with pozidrive nr 2 head type or can be
90. ally returns to O on the next increment The default value is O 5 5 4 9 S FSKLLC setup An instance of the S FSK IEC 61334 4 32 LLC setup class holds parameters necessary to set up and manage the LLC layer as specified in IEC 61334 4 32 Max Frame Length This attribute holds the length of the LLC frame in bytes See IEC 61334 4 32 sub clause 5 1 4 In the case of the S FSK profile as specified in 61334 5 1 sub clause 4 2 2 the maximum value is 242 but lower values may be chosen due to performance considerations see table below Max frame length value Note 0 25 Entry rejected Entry confirmed but internally set as 242 due to successful 26 95 e communication establishment 96 242 Entry confirmed 243 gt Entry rejected Table 41 Max frame length Mx381 User manual eng V1 00 doc 124 ISKRAEMECO Tt ME381 and MT381 Reply Status List This attribute holds the MIB variable reply status list variable 11 specified in 61334 4 512 sub clause 5 4 The attribute lists the L SAPs that have a not empty RDR Reply Data on Request buffer which has not already been read The length of a waiting L SDU is specified in number of sub frames different from zero The variable is locally generated by the LLC sub layer Reply status structure e SAP Selector unsigned e Length of Waiting L SDU unsigned Length of Waiting L SDU in the case of the S FSK profile is the number of sub frames valid values are
91. ameter of the Discover service comp DLMS UA 1000 2 Ed 7 0 sect 10 4 5 2 carrying the alarming information The Alarm Descriptor is of type nteger which is interpreted as a set of 8 bits A set bit bit 1 means that the corresponding alarm has been the detected The meaning of the bit position is as follows Bit Alarm 0 PLC equipment in state new 1 Clock invalid Battery replace A2 A3 A4 A5 o c SV OIN Extended Alarm status Table 52 Assignment of alarm descriptor bits 6 6 3 Alarm register If any of the special events occurs which triggers alarm the corresponding flag in the alarm register is set All alarm flags in the alarm register remain active until the alarm register is cleared internally by device or remotely by client Each bit in alarm register represents a different alarm If any bit is set logical 1 alarm was recorded Value in the register is a 32 bit value of all active and inactive alarms at that time 6 6 4 Alarm filter Alarms can be masked through the Alarm Filter object To mask out unwanted alarm corresponding bit logical 0 in the alarm filter register must be cleared unchecked By default no alarm is enabled Structure of the Alarm filter is the same as structure of the Alarm register 6 6 5 Alarm status Alarm status register shows which alarm has been triggered There is a separate register for the ON and OFF statuses Each bit represents
92. anual eng V1 00 doc 161 ISKRAEMECO Tt ME381 and MT381 Example monitoring phase current with constant threshold parameter ITA t s Figure 100 Monitoring phase current with constant threshold parameter 1 RM detects action up TEE for monitored register is generated in a Control log 2 RM detects action down Duration is less than OTD time tb ta 90 sec Threshold OK event for monitored register is generated in a Control log e 3 RM detects action up TEE for monitored register is generated in a Control log e 4 RM detects time over threshold td tc 90 sec Local disconnect transition g occurs and the disconnector disconnects Disconnect event is generated in a Control log e 5 RM detects action down Because the reason for this is 4 no Threshold OK event is generated in a Control log e 6 Console status connect is displayed Penalty timer starts e 7 After RPT is over te td gt 60 sec it is possible to reconnect the disconnector again 6 11 Identification numbers 6 11 1 COSEM Logical Device Name The COSEM logical device can be identified by its unique COSEM logical device name This name can be retrieved from an instance of IC SAP assignment or from a COSEM object named COSEM logical device name The name is of type octet string of up to 16 octets in size The following figure presents the division of the COSEM logical device name as enforced by the IDIS
93. arameters which define uniqueness of the device For successful reading of this identifier M Bus device data must be unencrypted or successfully decrypted the proper encryption key must be previously uploaded to e meter and M Bus device After that binding process is completed Device ID2 Device ID2 is M Bus Configurator data identifier There is one object for each of four channels b 1 4 5 5 3 10 M Bus result M Bus Master Value result holds last captured M Bus value There are four result objects for each of four channels b 1 4 e 1 4 5 5 3 11 M Bus load profile M Bus Master Load profile has hourly interval readings of M Bus devices The buffer must be filled monotonously i e no irregular entries are allowed The profile is compressed type Captured objects include clock status and M Bus value objects maximum 4 There is one object for each of four channels b 1 4 Mx381 User manual eng V1 00 doc 99 ISKRAEMECO Tt ME381 and MT381 Capture Objects Up to 6 objects can be set as capture objects Capture Period Capture period defines the time distance between two captured data seconds The period is synchronized with the hour or minute it always begins at completed hour or minute Value O of capture period means no registration Following capture periods in seconds are recommended to choose from e No registration 0 e 5 minute recording period 300 e 15 minute recording period 900 e 3
94. are variable during operation E meters versioning control Due to legal constraints meter s firmware is divided into two modules The first is application core and the second is application module Both entities have their own identification string and signature E eter identification strings Meter s identification strings are divided into two subsets of sixteen 16 characters First subset represents application core while second represents application module identification The identification for both entities is organized as follows MMM SS DDDDD RRRRRR EES n Manufacturer Tag SW Tag Device Type Revision Revision Figure 102 Identification Structure e Manufacturer tag ISK stands for Iskraemeco 3 characters e SW tag 2 characters e Device type 5 characters e Revision Revision of application core or application module 6 characters The revision number field is organized as follows M mmm bb Ir Major Rev sior Minor Revision ff Build ff Figure 103 Revision Number Structure Mx381 User manual eng V1 00 doc 166 ISKRAEMECO Tt ME381 and MT381 Mark Size in characters Meaning M 1 Major revision number mmm 3 Minor revision number bb 2 Build number Table 61 Meaning of Revision Number Characters 6 11 6 2 E meter signatures Meter s signatures are divided into two subsets of sixteen 16 octe
95. arm can be defined by two thresholds upper and lower threshold Period synchronization is fixed at 10 minutes Each phase is sampled every 200ms and at the end of 10 minute period average value for each phase is calculated All three phases are added together and split with 3 so the result is average of all three phases This is nominal value and each phase value is then compared with this value If deviation percentage is greater or smaller than specified the appropriate alarm is set The default percentage levels are e Asymmetrical voltages upper threshold 0 0 128 7 50 1030 103 96 e Asymmetrical voltages lower threshold 0 0 128 7 51 970 97 95 Mx381 User manual eng V1 00 doc 170 ISKRAEMECO Tt ME381 and MT381 97 103 is the area in which the asymmetrical voltage alarm bit is not set but if the average phase voltage is outside 3 range within 10 minute period this alarm in Alarm ON status bit 9 is set which is set for the whole 10 minute period When average phase voltage drops back in 3 range asymmetrical voltage alarm bit 9 in Alarm OFF status is set These alarms are recorded in Alarm ON status and Alarm OFF status Both alarms can be deleted Alarm ON can t be deleted if present voltage is outside 3 range Alarm OFF therefore can be deleted as soon as it is set couses Alarm 0 0 128 7 50 lt 1030 103 A U phase U basa 7 3000 A OK n 0 A U Un average Us average U
96. association Mx381 User manual eng V1 00 doc 162 ISKRAEMECO F Byte Byte Byte Byte Byte Byte 1121 3 4 5 6 ME381 and MT381 Byte Byle 16 Byle Byle Byle Byle 9 Byle Byte 7 MC Manufacturer Function Code Device o Te Type Serial Number Figure 101 COSEM Logical Device Name Structure The first three octets MC are ASCII encoded and uniquely identify the manufacturer of the device The next three octets T1 present ASCII encoded IDIS device type The IDIS device types have the following meanings Device Type Meaning 000 098 reserved for non IDIS meters system title is considered as manufacturer specific 099 reserved system title for the DC 100 IDIS package1 PLC single phase meter 101 IDIS package1 PLC poly phase meter 102 IDIS package2 IP single phase meter 103 IDIS package2 IP poly phase meter 104 255 Reserved for future use Table 57 The IDIS Device Type Meaning The next two octets T2 present ASCII encoded IDIS function type The IDIS function types have the following meanings Function Type Bit Meaning BitO 1 Disconnector extension Bit1 1 Load Management extension Bit2 1 Multi Utility extension Bit3 1 Reserved for future use by IDIS Table 58 The IDIS Function Type Meaning Last eight octets SN present ASCII encoded E meter serial number as specified in COSEM object
97. ata Sel Men NEE 66 Data menu Le Le dius osm butacas Spe iusso miu tutae Dmu c diSusal uM perd Med M EEEE 66 Set MOM UV IG ALON t e 67 Manual scroll mode navigation 68 Load profile on display navigation 69 LCD test mode navigation EE 70 Meter reset procedure nanannanennnnunrarnnnnrnrrirnrnrrnrnrnrrnerirnrnrrnrnrrnrnirnrnrnrrnrnirnrnnnrrnerrrnrnnrnnnh I Sliding voltage Bridge kA 72 Load c ntroltermina b ENCORE RERO HR m 14 Relay state ET ue 15 Service control femme 76 MX381 Wiele fe UE 78 Time and Date UDatatormmat 80 Set date and time m EE HERR 81 Graphical tariff program 82 ObDiealdgteld CO oerte HUNC RUIN EIDEM RU GNE aaa MEN naan vane UA aus aaa NUN 87 IEC optical port communication profile eee cc eec cece ceeeeeeceeeeeeeeeeeseeseeeseeeeeeeeeeeeseeeseees 87 COSEM DLMS optical port communication Droe 88 Diagram for connecting device to P1 port 20 0 ccc ceccceececeeeeeeece cece eeseeeseeeeseeeseeeeaeeeseeess 90 Sab elei eieiei de m T u 92 Sabe ei ge SUNO 94 M Bus master slave configuration and dongle interface s0neennnennnnnsnnennnnnnrrnsnnenrnnenne 95 M Bus channel model 95 Ma E H 98 Example tor cha sse die RR oido Feds tst a Ris CR nach nolein nU lini XOU M Ron bc eta pU tnr RP d 98 M Bus disconnect state diagram nennen nennen
98. ation error M Bus Communication with M Bus device on channel 4 failed channel 4 20 31 Unused Table 53 IDIS error codes register The table below gives an overview of all errors IE errors codes and their assignments Bit Error Description 0 7 Unused 8 ROM checksum error 9 Back up data checksum 10 Parameters checksum 11 Profile checksum 12 Event log checksum 13 RAM checksum 14 15 Unused Error detected in RAM data memory The meter can operate 16 RAM error irregularly Error detected in non volatile memory The meter can operate 17 FRAM memory error irregularly 18 Measurement error 19 RTC error 20 21 Unused 22 Communication error 23 Display error 24 Battery discharged Clock battery or backup capacitor is discharged 25 Invalid time Clock is invalid 26 31 Unused Table 54 IE error codes register 6 7 2 Error filter Depending on the capabilities of the system and the policy of the utility not all possible errors are desired Therefore the error filter object can be programmed to mask out unwanted errors The structure of the Error 1 filter object 0 0 196 97 0 255 is the same as the structure of the Error register object 0 0 97 97 0 255 To mask out unwanted errors the corresponding bit in the error filter should be set to logical 1 b31 b30 b29 b1 bO b2 Z A Z7 Z Vl Z7 crorReaiste 4110 0 0 Of T b31 b30 b29
99. ation system IEC 62056 61 COSEM organization of data IEC 62056 53 M Bus EN 13757 2 and EN 13757 3 e OBIS data identification code IEC 62056 61 e Auxiliary inputs outputs Output for load control with a 6A relay Output for load control with an OptoMOS relay Alarm input External key input M Bus interface to which up to 4 gas heat or water meters can be connected Active disconnector output MT381 e Automatic configuration of an AMR system Meters are registered automatically into an AMR system Programming of the meter as well as FW upgrade can be done locally via an optical port or remotely in compliance with the predefined security levels Detection of opening meter and terminal block covers e Simple and fast meter installation e Current terminals 1 Make good contact with current conductors regardless of their design and material I Do not damage conductors e Voltage terminals Internal and or external connection I A sliding bridge for simple separation of a voltage part from a current part only at direct connected meters The sliding bridges can be accessible when terminal cover is removed or they can be hidden under the meter cover e Compact plastic meter case 1 Made of high quality self distinguishing UV stabilized material that can be recycled i IP54 protection against dust and water penetration by IEC 60529 Mx381 User manual eng V1 00 doc 25 ISKRAEMECO t ME381 and MT381 3 4 Mx381
100. b2 bi b C dl gl mg LV 7 Error Fitter 0 1 OY 0 1 01 x Es e A ef Figure 94 Error filtering Mx381 User manual eng V1 00 doc 148 ISKRAEMECO Tt ME381 and MT381 6 7 3 Error display filter With this objects errors can be filtered out on display FF flag In order to filter out the right error the corresponding bit in the error display filter should be set to logical 1 6 7 4 Error types Errors recorded in the Error register object 0 0 97 97 0 255 fall into one of five categories e Clock errors e Memory errors e Measurement system error e Communication errors e Control errors 6 7 4 1 Clock errors Invalid clock error Current clock is compared with internal clock structure and if there is any deviation error will be set When the meter clock is set the meter will reset invalid time bit in error register The energy registers are not affected by Invalid time error Check battery state error The state of battery or real time backup capacitor is monitored continuously and if voltage level falls under specified threshold an error is reported by setting Replace Battery Error flag 6 7 4 2 Memory errors Program memory error Program memory is checked by integrity of program code stored Program code is signed by MD5 algorithm during the build time The signature is stored together with program code in program memory In the run time meter calculates signature over program code and compares it with pre
101. bject model is used If not data exchange continues in the conventional mode C Application Process Application Layer LLC Layer MAC Layer PHY Layer Figure 68 COSEM DLMS optical port communication profile 5 5 1 3 IEC optical port setup COSEM object includes several attributes described as follows Communication Mode Defines the protocol used by the meter on the port It can be selected between these three modes e 0 Protocol according to IEC 62056 21 IEC 1107 e 1 Protocol according to IEC 62056 46 DLMS UA e 2 Protocol not specified proposed baud rate is used for setting the communication speed Communication Speed Default baud rate defines baud rate for the opening sequence Proposed baud rate defines baud rate to be proposed by the meter relevant only for communication type O 1107 modes A to E Communication speed up to 115200 baud is possible recommended is 38400 baud Selection for Default and Proposed baud rate can be made between these rates e 0 300 baud 2 3 2400 baud 4 4800 baud 5 9600 baud 6 19200 baud 7 38400 baud 8 57600 baud 9 115200 baud Mx381 User manual eng V1 00 doc 88 ISKRAEMECO Tt ME381 and MT381 Response Time Response time defines the minimum time between the reception of a request end of request telegram and the transmission of the response begin of response telegram These two options are available e 0 20 ms e
102. both apply the protection and to remove or check the protection For example the key used to encrypt data is also used to decrypt the encrypted data This key must be kept secret if the data is to retain its cryptographic protection Symmetric algorithms are used to provide e confidentiality via encryption e an assurance of authenticity or integrity via authentication e mechanism to instantiate key establishment Mx381 User manual eng V1 00 doc 175 ISKRAEMECO Tt ME381 and MT381 There are several approved algorithms for encryption and decryption of data chunks Every algorithm converts data to be protected called plaintext via security context keys and other security context into ciphered text The reverse procedure is also possible as shown in the figure below Plaintext Ciphertext Encryption CipFer ext P zintext Figure 110 Encryption and decryption procedure Decryption Currently for a forementioned procedures Advanced Encryption Standard AES is used AES encrypts and decrypts data in 128 bit blocks using 128 192 or 256 bit keys All three key sizes are adequate Message authentication code works similar as ordinary hash function with one enhancement Additionally the secret material secret key is used in message digesting 6 13 2 2 DLMS COSEM security Confidentiality and integrity are among the key requirements when open systems connect to public media With the increase of computational powe
103. cal area while screws are made of zinc plated steel 4 2 2 Meter cover Meter cover is made of transparent high quality self extinguishing UV stabilized polycarbonate that can be recycled Mx381 meter is equipped with meter cover opening detector Mx381 User manual eng V1 00 doc 45 ISKRAEMECO Tt ME381 and MT381 4 2 3 Terminal cover The meter terminal cover covers the meter terminal block It is made of non transparent high quality self extinguishing UV stabilized polycarbonate that can be recycled The Mx381 meter is equipped with terminal cover opening detector On the inner side of the terminal cover there is the place for the connection diagram which is in the form of the label For meter connection diagrams see Chapter 3 4 Figure 24 Terminal cover for ME381 meter Figure 25 Short terminal cover for MT381 meter Mx381 User manual eng V1 00 doc 46 ISKRAEMECO F ME381 and M7381 Figure 26 Long terminal cover for MT381 meter Figure 27 Terminal cover for MT381 meter with disconnector unit Mx381 User manual eng V1 00 doc 47 ISKRAEMECO Tt ME381 and MT381 i Figure 28 Meter connection diagram on the inner side of the terminal cover 4 2 4 oealing The meter cover can be sealed with two sealing screws The lid on the front side which covers set key can be sealed separatelly The terminal cover can also be sealed with one sealing screw at ME381 meter and two sealing screws at MT381 meter Mx381 User
104. ccurs and relay state is on with power on delay mode enabled power up will cause the relay to switch off for the time set in load control power on delay before it switches back to on state Mx381 User manual eng V1 00 doc 74 ISKRAEMECO t ME381 and MT381 9 2 1 1 Load control delay mode With Load Control Mode different types of switching can be set Available mode options are e 0 Normal e 1 Switch on Delayed 2 Switch on Random Delayed 3 Switch On Delayed with Power on Delay e 4 Switch On Delayed with Power on Random Delay 5 Switch On Random Delayed with Power on Delay 6 Switch On Random Delayed with Power on Random Delay 0 2 1 2 Load control power on delay This register defines relay power up delay time before it is switched on Delay time is set in seconds Used for grid power balance when power returns 0 2 1 3 Load control switch on delay This register defines relay switch on delay time before relay is switched on Delay time is set in seconds Used for grid power balance on tariff action relay on 0 2 1 4 Load management relay control 1 This object controls relay state machine By default outputs are in disconnected state oO Remote Reconnect d sal i ian State 0 Remote Disconnect c DG RE SI B o o 9 9 Li LI e Q Q O o o 0 L Ready for Connection x jQ State 2 9 o oi o 11 T1 E E c ie A
105. connect disconnect M Bus disconnector script table There are 8 scripts defined to control each of four channels with remote reconnect and remote disconnect service M Bus master control log Changes of the states opened closed ready for reconnection related to the M Bus disconnect control are recorded There is one object for each of four channels b 1 4 Contains all events related to an M Bus disconnector e g a gas valve open valve close valve M Bus master control log structure consists of Timestamp and Event Code M Bus control event codes M Bus control event code object holds the code from the last event triggered These codes along with timestamps are then used in event log There is one object for each of four channels b 1 4 M Bs client configuration Object 0 0 128 50 1 is intended for additional configuration for different kind of M Bus functionality behavour There are a lot of different scenarios of M Bus functionality possible for some actions for example transferring the encryption key to the M Bus slave handling the M Bus value registers profiles and logs in the case of decommissioning of the M Bus slave handling the capture actions in relation with M Bus device id etc Mx381 User manual eng V1 00 doc 102 ISKRAEMECO F 5 5 3 16 M Bus alarms ME381 and MT381 There are four different groups of alarms used for M Bus events which are directly related to devices connected to the e meter e M Bus co
106. contain two sets of error registers First set is used to report errors with IDIS specifications while the second set is used for backward capability with other Iskraemeco AMI meters The table below gives an overview of all errors IDIS errors codes and their assignments Bit Error Description 0 Clock invalid Clock is invalid 1 Replace battery discharged Clock battery or backup capacitor is discharged 2 7 Unused Indicates error in the meters program space internal flash memory 8 oa EOT when the behavior of meter is unpredictable and the meter should be 3 y replaced The results stored in the meter should be inspected and validated 9 RAM error amor detected in RAM data memory The meter can operate irregularly Error detected in non volatile memory The meter can operate 10 NV memory error i irregularly Error detected in measurement system The measurement could be 11 Measurement system error inaccurate 12 Watchdog error Meter has been restarted by watch dog circuitry 13 15 Unused C icati M B 16 Cu ere ee ge Communication with M Bus device on channel 1 failed channel 1 17 Communication error M Bus Communication with M Bus device on channel 2 failed Mx381 User manual eng V1 00 doc 147 ISKRAEMECO Tt ME381 and MT381 channel 2 18 Communication error M Bus Communication with M Bus device on channel 3 failed channel 3 19 Communic
107. cover opening Connector for disconector unit Non potential key Alarm input olol nl el ol a wln O Mx381 User manual eng V1 00 doc 23 ISKRAEMECO d ME381 and MT381 m 23 Main meter properties Active energy and demand meter of accuracy class 1 or 2 in compliance with IEC 62053 21 Reactive energy and demand meter of accuracy class 2 or 3 in compliance with IEC 62053 Apparent energy meter of accuracy class 2 or 3 Modes of energy measurement and registration single phase meters For one way energy flow direction For two way energy flow direction For two way energy flow direction but registered in one absolute register Modes of energy measurement and registration three phase meters 1 For one way energy flow direction three phase energy is algebraic arithmetical sum of energies registered in each of the phases meters are equipped with an electronic reverse running stop For two way energy flow direction three phase energy is algebraic arithmetical sum of energies registered in each of the phases For one way energy flow direction three phase energy is sum of absolute values of energies registered in each of the phases Meter quality I Due to high accuracy and long term stability of metering elements no meter re calibration over its life time is required I High meter reliability I High immunity to EMC Additional meter functions Detection
108. ct Connected 1 state Transitions e and h are essentially the same but their trigger is different Mx381 User manual eng V1 00 doc Table 55 Disconnect transitions 153 ISKRAEMECO Tt ME381 and MT381 Disconnector can not be in use as main network switch or fuse 6 9 1 Disconnector type With this object disconnector type can be selected Available options are e 0 None disabled actions on disconnector e 71 Disconnector also called circuit breaker OM31 or poly phase ZO3xx unit or one phase build in disconnect unit e 4 Relay driven external disconnect unit driven with relay For effective use of functionalities meter must be properly configured 6 9 2 Disconnect control This object controls the connection and disconnection of the premises of the consumer Output State Disconnect Output State shows the actual physical state of the disconnect unit e FALSE Open Customer is disconnected from the network 0 e TRUE Closed Customer is connected to the network 1 Control State Control State defines internal logical state of the disconnect unit Possible control states are e Disconnected Customer is disconnected from the network 0 e Connected Customer is connected to the network 1 e Ready for reconnection Customer is disconnected from the network 2 When disconnector is in Ready For Reconnection control state it is possible to perform manual connect on th
109. d MT381 meters can have configured relay as a disconnector functionality which can drive external transformer disconnector eo gt oe 99 2 ww o amp a Figure 95 Disconnector for MT381 D1 Mx381 User manual eng V1 00 doc 151 ISKRAEMECO Tt ME381 and MT38I m D m b we A Tritmi station Seve gg They MI ur Eso AARE ERM U re C de 0 C KH oo m oom ft d laum V G WEIN MAALIIN UMUMI tu 1631 12545678 n Figure 97 MT381 meter with disconnector Mx381 User manual eng V1 00 doc 152 ISKRAEMECO F ME381 and MT381 Disconnect and reconnect can be requested e Remotely via a communication channel remote disconnect remote reconnect e Manually using e g a Scroll key manual disconnect manual reconnect e Locally by a function of the meter e g limiter register monitor local disconnect local reconnect The state diagram and the possible state transitions are shown in the figure below Remote Disconnect b Remote Reconnect d Disconnected tate 0 oo Remote Disconnect c 1 Oo Ready for Connection State 2 7 1 1 Remote Reconnect a le O Manual Reconnect e Connected State 1 Manual Disconnect f f Local Disconnect g Local Reconnect h Figure 98 Disconnect state control diagram Table below shows and describes all available disconnector transitions
110. d for presentation the OBIS identification codes of the displayed data in accordance with DIN 43863 3 The hight of characters is 6mm and width is 3mm Alphanumeric field 2 is used for presentation the data value The hight of characters is 8mm and width is 4mm 4 4 1 2 Display test state In display test state all segments are displayed Figure 35 shows the display in the test state Mx381 User manual eng V1 00 doc 54 ISKRAEMECO t ME381 and MT381 4 4 1 3 Power flow direction cursors There are four power flow direction cursors on the display Positive reactive power flow Q Positive active power flow P Negative reactive power flow Q Negative active power flow P 4 4 1 4 Phase indicators Segments L1 L2 and L3 show indicated phases on meter Blinking segments represents wrong phase sequence connection 4 4 1 5 Physical unit field Physical unit field shows units of currently displayed data 4 4 1 6 Characters Characters which can be represented on a display are listed below Alphanumeric fields have a 7 segment display shape There are also some additional dot fields Alphanumeric characters are used to display values tariff name consumer message signatures etc T seyment display slape Prefix amp spare Numbers 0 1234561789 Upper case letters HCLceF oHJLPSUSPC Lower case lottars ocon oO tu Figure 37 Characters represented on a display Available charac
111. d in IEC 61334 4 512 sub clause 5 8 It is written by the client system to indicate the phase to which it is connected Delta Electrical Phase Holds the MIB variable delta electrical phase variable 1 specified in IEC 61334 4 512 sub clause 5 2 and IEC 61334 5 1 sub clause 3 5 5 3 It indicates the phase difference between the client s connecting phase and the server s connecting phase The following values are predefined e 0 not defined the server is temporarily not able to determine the phase difference s 1 the server system is connected to the same phase as the client system e 2 the phase difference between the server s connecting phase and the client s connecting phase is equal to 60 degrees 9 the phase difference between the servers connecting phase and the client s connecting phase is equal to 120 degrees s 4 the phase difference between the servers connecting phase and the client s connecting phase is equal to 180 degrees s D the phase difference between the server s connecting phase and the client s connecting phase is equal to 120 degrees Mx381 User manual eng V1 00 doc 115 ISKRAEMECO Tt ME381 and MT381 e 6 the phase difference between the server s connecting phase and the client s connecting phase is equal to 60 degrees Max Receiving Gain Holds the MIB variable max receiving gain variable 2 specified in IEC 61334 4 512 sub clause 5 2 and IEC 61334 5 1 sub clause 3 5 5 3 Corresponds to the maximum allo
112. d in IEC 61334 4 512 sub clause 5 8 This method allows a client system to unregister the server system The submitted value corresponds to a client MAC address The writing is refused if the value does not correspond to a valid client MAC address or the predefined NO BODY address When this method is invoked the following actions are performed e The server system returns to the unregistered state UNC MAC address equals NEW address This transition automatically causes the synchronization lost function of the MAC sub layer The server system changes the value of the active initiator attribute the MAC address is set to the submitted value the LSAP selector is set to the value 0 and the System Title is set to an octet string of Os All AAs that can be released are released 0 5 4 7 S FSK MAC synchronisation timeouts An instance of the S FSK synchronization timeouts class stores the timeouts related to the synchronization process Search Initiator Timeout This timeout supports the intelligent search initiator function It defines the value of the time expressed in seconds during which the server system is searching for the initiator with the strongest signal During this timeout all initiators which may be heard by the servers are expected to talk After the expiry of this timeout the server will accept a Register request from the initiator having provided the strongest signal and it will be locked to that initiator If the
113. e 4 List of metropulse output function enumeration Only above specified metropulse output functions are allowed maximal pulse duration value is 200 ms while minimal pulse duration value is 30ms For effective use of functionalities meter must be properly configured 3 6 2 1 Transformer measurement type This object defines if current transformer ratios will be used in measuring process or not only for transformer type MT381 meters Options are e Transformer ratio is not used for direct connection secondary measurement 0 e Transformer ratio is used for transformer connection primary measurement 1 3 6 2 2 Transformer ratio 1 0 4 0 e e 2 Current numerator 5 Current denominator Transformer ratios are used to configure meter where results on the secondary side need to be different lower than on the primary side only for transformer type MT381 meters For correct results constant K on the secondary side must be also considered Constant K is the correction factor between secondary side and primary side K Current Numerator Current Denominator Primary current Secondary current K For effective use of functionalities meter must be properly configured Mx381 User manual eng V1 00 doc 34 ISKRAEMECO Tt ME381 and MT381 3 6 3 Measured quantities Quantities that can be measured by Mx381 meter are e Active energy demand instantaneous values e Reactive energy demand instan
114. e Increment Total billing reset counter e Create event in log book to log execution of billing reset The following actions are carried out by the meter when script 2 of End of billing script table is executed e Execute capture method for Billing profile 2 Each of two scripts from End of billing script table can be executed in two ways s By invoking execute method of End of billing script table via communication channel e Internally by Single Action Schedule object which refers to specific script Two single action schedule objects are dedicated to billing process Each of those two can refer to any of the two scripts of End of billing period script table Each single action schedule can have up to four time definitions that trigger execution of its associated script Time definitions can be set as periodic every day every month or exact specified date time The biling reset is executed immediately when triggered via single action schedule or via communication channel there is no waiting for completion of measurement period When synchronization with measurement period is required user should assure this by setting appropriate times in single action schedules If clock is set forward or backward over n periodic billing execution times then only one entry will be generated in billing profile marked with first time of periodic definition appearing after old time The event in log book will be generated with t
115. e client that issued Discover request e List of System Titles is list of system titles made up with own system title followed by the content of its local system list local management variable e Alarm State is signed integer with alarm state of the reporting network element CIASE register service Register Service is used to configure new network elements It specifies the MAC address to a new network element identified by its system title Register request arguments e New System Title s is a list of system titles of the network elements that should be registered MAC Address es is list of MAC addresses of corresponding system titles of the network elements Register request is sent to ALL physical address MAC address CIASE ping service Ping Service is used to check if network elements that have been registered are still present on the network Ping Service request arguments e System Title Server is system title of the network element Ping Service respond arguments e System Title Server is system title of the network element The CIASE Ping service allows e The concentrator to check that a registered meter is still present in the network e To verifying that the right physical device is linked to the right MAC address e To prevent the time out not addressed timer to expire CIASE repeater call service Repeater Call Service is used to update repeater status of network elements It is broadcasted
116. e connected is included in the list of managed M Bus devices or not Secondary address searching is not used Following this procedure the e meter will poll for the device specific data While scanning if a device answers on an address the e meter checks if the used address is in the list or not e f the used address is already in the list and answering M Bus device is already in the list of managed M Bus no action will follow e Ifthe used address is already in the list and the answering M Bus device is not same to device already stored in the list of managed M Bus devices old M Bus device is replaced with answering M Bus device event New M Bus device installed ch x 1 is set and alarm M Bus device installed ch x is raised e lf the used address is available and the answering M Bus device is not in the list a device is added to the list of managed M Bus devices event New M Bus device installed ch x 1 is set and alarm M Bus device installed ch x is raised e If the used address is available and the answering M Bus device is already in the list a device is set to new available address event New M Bus device installed ch x 1 is set and alarm M Bus device installed ch x is raised 5 0 3 6 Key Installation An installation procedure for M Bus devices can be triggered by pushing an Reset key located under a e meter s key cover see figures below P2 SEArch is displayed first Mx381 User manual en
117. e determines the cryptographic algorithm used for message security A security suite is identified with a Security Suite ID Security suite 0 utilizes the Galois Counter Mode GCM with AES 128 In this security suite global keys are protected during transportation using the AES 128 key wrap algorithm Security Suite Id Authentication algorithm Encryption algorithm Key transport method 0 AES GCM 128 AES GCM 128 Key wrapping using AES 128 key wrap Table 66 Security suite 6 13 2 3 Additional communication security There are several Iskraemeco s add ons to DLMS COSEM security Firstly DLMS channel options object for every channel on which COSEM server is present is introduced in order to cater different market requirements DLMS channel options With this object different settings can be introduced and technology shortcomings can be solved Option values are e Q All options are disabled e 71 Ignore HDLC service class need to be set for those e meters that have external modem communicating with uC via HDLC e 2 Security replay attack prevention frame counter checking e 4 Association Establishment with AARQ AARE and Association Release follows diction in Green Book DLMS association restrictions With this object different associations can be prohibited on the same server One can disable public management pre established or combination of those Application Associations by writing pro
118. e meter by holding the Scroll key until ConnEct is shown on display Control Mode Defines available transitions in Disconnect control class Mode Description 0 None The disconnect control object is always in connected state Remote b c Disconnection Manual f Press and hold Scroll key till Disconnect appears and release the key 1 Local g Reconnection Remote d Manual e Press and hold the Scroll key till EntEr appears and release the key Remote b c Disconnection Manual f Press and hold Scroll key till Disconnect appears and release the key 2 Local g T Remote a Reconnection Manual e Press and hold the Scroll key till EntEr appears and release the key 3 Disconnection Remote b c Mx381 User manual eng V1 00 doc 154 ISKRAEMECO Tt ME381 and MT381 Local g Reconnection Remote d Manual e Disconnection pene UE 4 Local g m Remote a R tion Pee Manual e Press and hold the Scroll key till EntEr appears and release Remote b c Disconnection Manual f Press and hold Scroll key till Disconnect appears and release the key 5 Local g Remote d Reconnection Manual e Press and hold the Scroll key till EntEr appears and release the key Local h Disconnection Dein ort Local g 6 Remote d Reconnection Manual e Press and hold the Scroll key till EntEr appears and release the
119. e objects that are not intended to show on the display will not be displayed if they are included in General display readout list 0 0 21 0 1 or in Alternate display readout list 0 0 21 0 2 The message code Error 11 Ident format failed will be displayed instead For effective use of functionalities meter must be properly configured 6 2 3 Alternate display readout With Alternate display readout object 0 0 21 0 2 255 the information visible on meter s display in manual scroll mode can be set Each press on Scroll key in manual scroll mode scrolls to the next item from the Alternate display readout list In transition from auto scroll mode to manual scroll mode the LCD test is performed all segments on After some time of inactivity in manual scroll mode default escape time is 2 minutes the meter returns into auto scroll mode For effective use of functionalities meter must be properly configured 6 3 Load profile recorder Two general purpose load profiles are available in Mx381 meter Each of two can capture any of the basic type object value present in the meter Basic object type means any object attribute that has non structured content The meter has two load profiles LP with period 1 and LP with period 2 which are instances of the COSEM class the Profile generic which defines a generalized concept to store dynamic process values of capture objects A profile has a buffer to store captured data therefore each pro
120. e tariff device acts as a slave in protocol modes A to D In protocol mode E the HHU acts as a client and the tariff device acts as a server Every meter has build in optical communication It is used for local meter data readouts and settings via PC laptops or PDA devices e echt EN a i ore Ber i See mee Figure 66 Optical interface 5 5 1 1 IEC 62056 21 optical port communication profile This communication profile is intended to be used by older HHU devices which are not able to use DLMS protocol As in previous communication profiles the application layer provides same services to access COSEM interface objects Application COSEM Interface Ob ccts Process IEC 62056 61 62056 62 Y Acp ication APPLICATION LAYER Le yer IEC 62058 21 A Y PHY Lever Figure 67 IEC optical port communication profile 5 5 1 2 COSEM DLMS over IEC 62056 21 optical port This communication profile is added to meter to ensure using of the same protocol on different communication media The implementation provides mode E according to the IEC 62056 21 standard formerly IEC 1107 During the opening sequence the meter server is able to advise the HHU client that the advanced Mx381 User manual eng V1 00 doc 87 ISKRAEMECO Tt ME381 and MT38I mode E is available If the HHU acknowledges it they will continue the data exchange using HDLC based protocol If the information exchange takes place then COSEM o
121. e that is stored in the event log is the old old date time date time before adjusting the clock Clock adjusted Indicates that the clock has been adjusted The date time that is stored in the event log is the new 5 ee new date time date time after adjusting the clock i f Indicates that clock may be invalid i e if the power reserve of the clock has exhausted It is set at 6 Clock invalid power up 71 Replace Battery Indicates that the battery must be exchanged due to the expected end of life time 8 Battery voltage low Indicates that the current battery voltage is low 9 TOU activated Indicates that the passive TOU has been activated E ist 10 M Md Indicates that the error register was cleared cleared Alarm register 11 g Indicates that the alarm register was cleared cleared Program memo 12 Ms S Indicates a physical or a logical error in the program memory 13 RAM error Indicates a physical or a logical error in the RAM 14 INV memory error Indicates a physical or a logical error in the non volatile memory 15 Watchdog error Indicates a watch dog reset or a hardware reset of the microcontroller Measurement 16 d Indicates a logical or physical error in the measurement system system error 17 Firmware ready for Indicates that the new firmware has been successfully downloaded and verified i e it is ready for activation activation 18 Firmware activated Indicates that a new firmware has been activated Mx381 User man
122. ecification compliant 6 3 1 Profile 6 3 1 1 Load profile with period 1 and 2 Capture Objects Up to 32 objects can be captured recorded with capture period Capture Period Capture period is variable which defines the time distance between two captured data s seconds The capture period of the profile can be specified by capture period attribute It can be set to 5 10 15 30 60 minutes or one day The period is synchronized with the hour it always begins at completed hour Value 0 of capture period means no registration The profile buffer can be cleared by invocation of the Profile generic method reset These recording periods in seconds are recommended to choose from e 0 No registration e 300 5 minute recording period e 600 10 minute recording period e 900 15 minute recording period e 1800 30 minute recording period e 3600 1 hour recording period e 86400 1 day recording period Methods Load profile has two methods implemented e Reset erases captured values e Capture performs capturing when executed not supported for load profile Load profile with period 2 has same functionality as profile with period 1 only difference is in less reserved space for records in the meter Mx381 User manual eng V1 00 doc 131 ISKRAEMECO t ME381 and MT381 6 3 2 Profile status There are two status registers e Profile status for load profile with period 1 e Profile
123. ected to channel 2 o the M Bus is ok again 112 Replace Battery M Bus Ch 2 Indicates that the battery must be exchanged due to the expected end of life time 113 Fraud attempt M Bus Ch 2 Indicates that a fraud attempt has been registered 114 Clock adjusted M Bus Ch 2 Indicates that the clock has been adjusted 120 Comm Error M Bus Ch 3 Indicates com problem when reading the meter connected to Ch 3 of the M Bus 124 Comm ok M Bus Ch 3 Indicates that the communication with the M Bus meter connected to Ch 3 of the M Bus is ok again 122 Replace Battery M Bus Ch 3 Indicates that the battery must be exchanged due to the expected end of life time 123 Fraud attempt M Bus Ch 3 Indicates that a fraud attempt has been registered 124 Clock adjusted M Bus Ch 3 Indicates that the clock has been adjusted 130 Comm Error M Bus Ch 4 Indicates com problem when reading the meter connected to Ch 4 of the M Bus i icati ith the M B t ted to ch 4 of th Aan Comm ok M Bus Ch 4 Indicates that ine communication wi e us meter connected to ch 4 of the M Bus is ok again 132 Replace Battery M Bus Ch 4 Indicates that the battery must be exchanged due to the expected end of life time 133 Fraud attempt M Bus Ch 4 Indicates that a fraud attempt has been registered 134 Clock adjusted M Bus Ch A Indicates that the clock has been adjusted Any of the profiles cleared NOTE If it appears in Standard Event Log then any of the E load profiles was NEES cleared
124. ed is average voltage with sampling made every 200ms in 10 minute aggregation period As a result of this calculation appropriate level counter is incremented Nominal voltage U used in calculations is 230V If calculated average voltage at the end of 10 min period is under over or in the range of certain percentage see above table than the appropriate counter is incremented Example The following Figure illustrates sampling and recording of an event voltage sag Figure shows voltage dip from g sample to St sample Average voltage of all samples is shown with straight line Average voltage value is also used to record appropriate event average voltage on picture is about 214 Volts 7 sag of 230 Volts Power quality voltage sampling example Samples Figure 104a Voltage sampling Mx381 User manual eng V1 00 doc 168 ISKRAEMECO Tt ME381 and MT381 Figure 104b Voltage sampling 6 12 1 2 Voltage sag Voltage sags are recorded when voltage drops below Threshold for Voltage Sag for the time set in Time Threshold for Voltage Sag Also recorded in designated objects are each sag in counter objects magnitude of voltage sags and duration of voltage sag All events are also recorded in Power Quality Log as undervoltage event See Chapter 6 5 5 1 As soon as voltage drops below value set in Threshold for voltage sag object for a period longer than set in Time threshold for voltage sag object the counter
125. eeeee 129 Geli NMeasHremehls eege 129 0 e Ener 129 OAL DOR e Tel elt i VC WEE 129 6 2 2 General display readout eese nennen 130 6 2 3 Alternate display readout 0nnannannannnnnennnnnnnnnnnnnnnnnnsnnnnnnnnnnnnnnnrnrennnnnn 130 D 9 Load DIONIG TOCOFUBE EE 130 SE MEE Ge OU 131 D 92 PONISI E 132 6 4 Billing profile recorder m 132 6 4 1 End of billing period 2 0 0 ccccceccc sees eeeeeeeseeeseeeseeeseuessueeseeeaeeeseees 133 6 4 2 End of billing period script table o noanonnonnnnnnnonnonnsnnnnnnnsnnsnesnnnrnerenns 134 OAS BINO PENO Kee n TE 134 6 4 4 Data of billing period Billing profile eeeseeessss 134 SEI U 4er qe 135 Dod Even coge ODJOCIS ea en an ee Med dormi ee eee 136 092 EVEN NOC OD Ee EE 136 60953 Slandard event log M 137 6 5 4 Fraud detection event log cccccccceccceccseeceeeceeeceeceeceeeceeeseseeeseeenes 138 6 5 5 Power quality eventlog cccccccccccsceceecseeceeeceeeceecaeecseeceesaseceeeseeseas 140 6 5 6 Power failure event log ccccccccccceccceseceeeseeeeceeesaeecaeecauecseeseeeesseeeaees 140 6 5 7 Certification data log eesesssessesssseeneeen nennen nnns 141 0 5 0 DISCOMMECIOF Control log egene eegene eege 141 6099 NEBUS VS OG E 142 6 5 10 M BUS CONVOI e e qd 143 00 Su MER 143 OOT Aam i NETTE 144 602 Alam COGS
126. eesesseeseeseeseesgesseeseeteeseeees 37 Table 9 Magnitude for voltage sags and wells 37 Table 10 Magnitude of last voltage sag and ewell 37 Table 11 Instantaneous current obiecle A 37 Table 12 Sliding average Current 37 Table 13 Instantaneous net frequency Obert 38 Table 14 Instantaneous power obiechs cc ccccc cece cece eeeeeeeeeeeeeeeeeeee ees nnne nnne menn nnne nnn nnns 38 Table 15 Average POW EN REOR 38 Table 16 Instantaneous power factor objects ccccccceccceececeeeceeeceeeeseeeseeeseeeeseeeseueeeeeeseeeseeeeeeeseeess 38 Table 17 Last average power factor ccccccccceeeceececececeneceusecececeueceueeseeessuecseesaeeseusseuseseeeseussaeeseeess 39 Table 13 Totalenergy ODJECIS E mE 40 Table 19 Tariff energy TEGISlOlS sc sie ncaiwsccacscinucacateendadundahwpadaceonasovehe Eege ge Sege 40 Table 20 Average demand objects AN 40 Table 21 Last demand objects sssssssssssssssssssseenee nennen nennen nne nnn snas nen nnns 41 Table 22 Maximum demand obiects enne nennen nennen rn nnns 41 Table 23 MP configuration objects ssssssssssssssssssseeesennnen nennen nennen nnne nnn nnne sn nnn nnne nns 41 Table 24 e lee T m mrt 56 Table 25 OBIS name abbreviation character 59 Table 26 Error codes on e e EE 59 Table 27 Use of keys normal console MENU fwpe 65 Table 239 Koy labels E 65 Table 29 Display register codes A 72 Table 30 Meter type designation
127. empt Set when fraud attempt is detected 14 Reserved for future use 15 Reserved for future use 16 Comm error M Bus Ch1 M Bus device connected to the channel 1 does not respond 17 Comm error M Bus Ch2 M Bus device connected to the channel 2 does not respond 18 Comm error M Bus Ch3 M Bus device connected to the channel 3 does not respond 19 Comm error M Bus Ch4 M Bus device connected to the channel 4 does not respond 20 Fraud attempt M Bus Ch1 irai set when M Bus device connected to the Ch 1 reports a fraud 24 Fraud attempt M Bus Ch2 ll set when M Bus device connected to the Ch 2 reports a fraud 22 Fraud attempt M Bus Ch3 das set when M Bus device connected to the Ch 3 reports a fraud 23 Fraud attempt M Bus Ch4 ipei set when M Bus device connected to the Ch 4 reports a fraud 24 Reserved for future use 25 Reserved for future use 26 Reserved for future use 27 Reserved for future use 28 Reserved for future use 29 Reserved for future use 30 Reserved for future use Mx381 User manual eng V1 00 doc 144 ISKRAEMECO t ME381 and MT381 31 Reserved for future use Only valid for the PLC meters Alarms A2 to A5 are mapped into bit3 to bit6 See CIASE Alarm Descriptor Service Table 50 Alarm 1 codes IDIS P1 P2 Description Total Power Failure 1 Power Resume Set when meter power returns Voltage Phase Failure Li Set wien voltage on at least L1 phase has fallen below the Umin threshold for long
128. ensor for MT381 meters is Rogowsky coil a current transformer with an air core and shunt for ME381 meter while voltage sensor is a resistive voltage divider Signals of currents and voltages are fed into the A D converters and there further processed 3 6 1 Energy LED impulse output There are two metrological LED s on the meter See Chapter 4 4 1 e Active LED e Reactive LED Apparent LED LED pulse blink duration is 30ms 3 6 2 Energy METRO pulse output OptoMOS output can be used as metrological output To enable metrological output there is the service control functionality object used These objects are used to configure energy constants for metrological outputs Metrological output constants are used for the following energies e Absolute active energy output e Absolute reactive energy output e Absolute apparent energy output Mx381 User manual eng V1 00 doc 33 ISKRAEMECO Tt ME381 and MT381 If the value in the register is O or higher than 1000000 the metropulse output is disabled otherwise the metropulse output is enabled and switching connected disconnected according to the constant selected and energy consumption impulse unit Metropulse output functions enumeration Enumeration IO Function Description 0 NONE No function is assigned to the metropulse output 23 absAA Pulse output for absolute A 26 absRA Pulse output for absolute R 33 absSA Pulse output for absolute S Tabl
129. er than time delay Set when voltage on at least L2 phase has fallen below the Umin threshold for longer Voltage Phase Failure L2 e than time delay Set when voltage on at least L3 phase has fallen below the Umin threshold for longer Voltage Phase Failure L3 w eos P J than time delay Voltage Phase Resume L1 Set when the mains voltage on L1 is in normal limits again Voltage Phase Resume L2 Set when the mains voltage on L2 is in normal limits again V mee l n oltage Phase Resume L3 Set when the mains voltage on L3 is in normal limits again Missing Neutral Set when the neutral connection from the supplier to the meter is interrupted Set when power down on meter occurs hase Asymmetry Set when large unbalance loads is present Ciment Reversal Sa unexpected energy export is present for energy import configured devices P Set when consumption is detected on at least one phase when disconnector has been Unexpected Consumption Wrong Phase Sequence Set when wrong mains connection or fraud polyphase meters only disconnected Key Exchanged Set when one or more global keys changed Set when L1 voltage is not within ranges for defined period of time see EN50160 2010 section 4 2 2 Bad Voltage Quality L1 Set when L3 voltage is not within ranges for defined period of time see ne Paaa oge Ee EN50160 2010 section 4 2 2 2 3 4 5 7 10 11 12 13 14 15 17 External Alert Set when signal is detected
130. f all three phases e Instantaneous net frequency e Instantaneous power e Instantaneous power factor 3 6 4 Voltage 3 6 4 1 Instantaneous voltage is measured in the meter every 100ms Instantaneous voltage Instantaneous voltage ME381 and MT381 Table 5 Instantaneous voltage objects in the Mx381 meter 3 6 4 2 Daily peak and minimum values Daily peak voltage current Daily peak voltage previous Daily minimum voltage current Daily minimum voltage previous Table 6 Peak and minimum values of voltage L2 L3 128 8 10 128 8 20 128 8 30 128 8 11 128 8 21 128 8 31 128 8 12 128 8 22 128 8 32 128 8 13 128 8 23 128 8 33 3 6 4 3 Average voltage Average voltage 4 0 Average voltage daily peak current Average voltage daily peak previous Average voltage daily minimum current Average voltage daily minimum previous 52 2 128 8 0 X X 128 8 1 X X 128 8 2 X X 128 8 3 X X Table 7 Average values of voltage Mx381 User manual eng V1 00 doc 36 ISKRAEMECO F 3 6 4 4 Voltage levels ME381 and MT381 Level 1 U gt 10 128 7 41 128 7 11 128 7 21 128 7 31 Level 2 5 lt U lt 10 128 7 42 128 7 12 128 7 22 128 7 32 Level 3 0 lt U lt 5 128 7 43 128 7 13 128 7 23 128 7 33 Level 4 5 lt U lt 0 128 7 44 128 7 14 128 7 24 128 7 34 Level 5 10 lt U lt 5 12
131. fault value of this variable should be specified in the implementation specifications A value equal to O is equivalent to cancel the use of the related synchronization confirmation timeout counter Timeout Not Addressed It is the maximum time after which the server status becomes NEW and could be discovered again It holds the MIB variable timeout not addressed variable 7 specified in IEC 61334 4 512 sub clause 5 3 and IEC 61334 5 1 4 3 7 6 It defines the time in minutes after which a server system that has not been individually addressed returns to the unregistered state UNC MAC address equals NEW address this transition automatically involves the loss of the synchronization function of the MAC sub layer and releasing all AAs that can be released e delete its active initiator the MAC address of the active initiator is set to NO BODY the LSAP selector is set to the value 00 and the System Title is set to Os Because broadcast addresses are not individual system addresses the timer associated with the time out not addressed delay ensures that a forgotten system will sooner or later return to the unregistered state It will be then discovered again A forgotten system is a system which has not been individually addressed for more than the time out not addressed amount of time Lii The default value of this variable should be specified in the implementation specifications A value equal to 0 is equivalent to cancel the u
132. ff structure stored in passive calendar 5 4 2 6 Specific Method Immediate activation can be done by setting the activation date to the current date or with invoking the method active passive calendar For not specified use FF e g FFFFFFFFFFFFFFFFFF8000FF 0 4 3 opecial days Special day object is used for defining dates with special tariff programs According to COSEM object model special days are grouped in one object of COSEM class special days Each entry in special days object contains date on which special day is used and Day id Day id is reference to one day definition in day profile table of activity calendar object In the meter one activity calendar object and one special days object are implemented With these objects all the tariff rules for energy and demand must be defined Date definition in special days object can be e Fixed dates occur only once e Periodic dates recurring algorithms according to definition in COSEM blue book Special days object implementation in meter allows to sets 64 special day dates If two or more special days with same index or same time are entered only first one will be taken into account e FF and 255 values are used for not specified e FE last day e FD 2nd last day Mx381_User_manual_eng_V1 00 doc 84 ISKRAEMECO Tt ME381 and MT381 9 4 4 Register activation With this object registers which values should be recorded and stored are determined Selection of registe
133. ffective use of functionalities meter must be properly configured Actions This attribute defines scripts to be executed when the monitored attribute of the referenced object crosses the corresponding threshold The attribute actions has exactly the same number of elements as the attribute thresholds The action items order corresponds to the thresholds see above values order where action up defines the action when the attribute value of the monitored register crosses the threshold in the upwards direction 0 0 10 0 106 1 0 0 10 0 106 2 action down defines the action when the attribute value of the monitored register crosses the threshold in the downwards direction 0 0 10 0 106 1 0 0 10 0 106 0 6 10 3 Supervision monitor GIZ The meter features phase current limitation with three RM objects Every RM monitors the corresponding phase current instantaneous value The actions that need to be taken are defined via the Disconnector script table object where action on Disconnect control object is defined The functionality of the register monitor is affected with two manufacturer specific objects Over threshold duration and Manual Reconnection penalty time 6 10 3 1 Register monitor Thresholds Provides the threshold values to which the attribute of the referenced register is compared The threshold is of the same type as the monitored attribute of the referenced object Mx381 User manual eng V1 00 doc
134. file has a limit of stored data More capture objects we select less total captured data will be possible to store After a call of reset method the buffer does not contain any entries and this value is zero Two read only attributes show status of this e Profile Entries attribute specifies how many entries could be retained in the buffer e Entries in Use attribute counts the number of entries stored in the buffer Mx381 User manual eng V1 00 doc 130 ISKRAEMECO Tt ME381 and MT381 In each profile up to 32 objects can be registered Number of objects directly defines the length of one record Minimum and maximum profile capacity depends on the capture period selected and number of capture objects set and meter type used ME381 or MT381 For effective use of functionalities meter must be properly configured Data in a load profile recorder are accompanied with a timestamp and with the meter status in the last saving period as well as with a check sum The timestamp indicates the end of a registration period Both profiles are compressed type only one first timestamp is shown Profiles are implemented as FIFO buffers Each record has associated a unique record number Within one load profile more records can have same timestamp in case time is shifted back but all have different record numbers When reading load profiles records are being put out according to their record number in increasing order Operation is IDIS P2 sp
135. fter overvoltage 87 Voltage L3 normal Indicates that the mains voltage is in normal limits again e g after overvoltage Indicates that the event log was cleared This is always the first entry in an event log It is only stored in the affected event log 255 Event log cleared Table 46 List of events in the Power quality event log 6 5 6 Power failure event log Power failure event log contains all events related to long power outages i e start and end of a long power outage It is a simplified version of the full power quality event log storing just the timestamp and the duration of last long power failure in any phase The timestamp represents the end of power failure The object Duration of last long power failure in any phase 0 0 96 7 19 255 stores only the duration of the most recent power outage Mx381 User manual eng V1 00 doc 140 ISKRAEMECO Tt ME381 and MT381 Time thresholds for long power failure is defined with Time threshold for long power failure object 0 0 96 7 20 255 see Power Failure section 6 5 7 Certification data log Certification data log 1 0 99 99 0 255 is another special log used to log modifications of critical parameters which influence measurement values The basic structure of the data log contains the timestamp and three additional objects e Last modified secure parameter identifier 0 0 96 128 0 255 e Last modified secure parameter old value 0 0 96 128 1 255
136. g V1 00 doc 97 ISKRAEMECO Tt ME381 and MT38I P SERrch When a key is pressed e meter starts to poll for device with an unregistered addresses from 1 to 6 After that it will start to poll for devices with address 0 After successful installation at least one of the M Bus devices on e meter s display a flag designated with MB will be set on Figure 74 Keys 5 5 3 7 M Bus display flag MB flag is present on the display as long as if at least one M Bus device is physically connected to the bus If none of the devices are connected to the bus then MB flag turns off after first capture even if the devices are correctly installed in the e meter In addition to the MB flag on a scroll list with identification numbers the sixth attribute of the M Bus Client Setup class 72 of registered M Bus devices which are able to communicate will pop up on display The identification numbers are listed in following format CH x 12345678 The first 5 digits are used to display a number of the M Bus channel and 8 last digits to display M Bus device identification number The display of the identification numbers will be exchanged with period of 10 seconds After an interval of 120 seconds the pop up list will disappear and display mode will be changed to normal auto scroll mode gt p cH 1003588 T T2 TS T4 SD E Ws FF EC E DLC flag is present only on Mx381 meter SQ and REG flags are present only on Mx382 meter Figure 75
137. gical Name Referencing no ciphering Short Name Referencing no ciphering 2 Unciphered APDUs Ciphered APDUs Short Name Referencing with ciphering Table 65 Application context names Security context The second mechanism is called the security context The security context defines security attributes relevant for the data transport security process of ciphering deciphering The elements are e Security policy determining what kind of protection to be used e Security suite specifying the security algorithm e Security material relevant for the given security suite Encryption keys Authentication keys Initialization vectors comprised of System title and current frame counter First two bullets are described in and held by the Security Setup COSEM object Security policy The following security policies are specified and allowed e Security is not imposed 0 All messages to be authenticated 1 All messages to be encrypted 2 All messages to be authenticated and encrypted 3 Mx381 User manual eng V1 00 doc 178 ISKRAEMECO zk ME381 and MT381 Authenticated xDLMS APDUs may be used within a ciphered application context even when the security policy in effect does not require that all messages must be authenticated Messages protected by higher security then what the security policy requires are always allowed provided that the application context negotiated allows them Security suite A security suit
138. h mm ss hours minutes seconds Date yy mm dd year month day dd mm yy day month year The easiest way and also the most common way to set local time and date is via MeterView application this action writes date and time in main clock object 0 0 1 0 0 attr 2 Set Time LJate and time V Synchronize device time with sys Synchronizes or sets device time Figure 64 Set date and time 5 3 9 Clock time shift limit Clock time shift limit is the maximum allowed time shift in seconds without registration of a time shift event If the time synchronization is larger than the clock shift limit the meter will record the synchronization as time setting 0 9 6 RIC Mode RTC Real Time Clock mode object determines RTC operation function e 0 Normal for normal use e 1 Test for calibration 9 9 f Battery Use Time Counter This attribute shows battery use time The value is a sum of meter power down and power up time in seconds Mx381 User manual eng V1 00 doc 81 ISKRAEMECO Tt ME381 and MT381 5 3 8 Battery Estimated Remaining Use Time Counter It shows remaining battery use time in seconds It measures power time length and detracts it from battery default life time determined according to datasheets and tests approx 20 years When this counter reaches 0 replace battery event event 7 is triggered Battery low event 8 is triggered when voltage on companion circuit reaches certain threshold
139. he Display configuration object 0 0 196 1 3 For effective use of functionalities meter must be properly configured Use of Scroll key and Reset key Key press Press duration Triggering event Tip on display Scroll key Scroll forward enon Pies Lu Go to the next item Enter to the current item EntEr Go to the lower layer Lopess 2s lt Tp lt 5s Return to the upper layer at the End of list LAYEr UP Return to the upper layer from the lowest layer Return to the Auto scroll mode ESC at the End of list in Set menu Data menu Extended press Tp 2 5s Escape to the Auto scroll mode from any mode ESC Reset key Short press Enter to the Set menu from the Display test state Table 27 Use of keys normal console menu type Reset key Table 28 Key labels Extended press Tp 2 5s Menu navigation When the Normal console menu type is active the user interface has two menus that are accessed from the Display test state The Display test state is entered from the Auto scroll mode by a short press on Scroll key see figure below e Data menu general use e Setmenu limited use Mx381 User manual eng V1 00 doc 65 ISKRAEMECO Tt ME381 and MT381 Owerup Y Startup cispley test 5s v i Auto scroll mode s Display tes state 1 PIS MkVArh sapeo DH BE DDD ml Set menu se d Figure 51 Entering the Data Set menu
140. he new set time If clock is set forward over n exactly specified billing execution date times then only one will be generated in billing profile marked with the nearest time appearing after old time If billing reset end of billing period is set to occur while the meter is powered down power down before billing reset the billing reset will occur immediately when meter is powered up again The event in log book will be generated with the timestamp when meter is powered up The data of the past billing periods stored in profile buffer cannot be displayed on LCD they can be read out via communication channels i e via optical port or dedicated modem 6 4 1 End of billing period Script is executed once a month typically at midnight at the end start of every month however other times can be set Execution can be disabled if the execution time is left empty or set with FFFFFFFF FFFFFFFFFF Activation time should be rounded up to a minute seconds set to 00 as defined in COSEM Blue Book 10th Edition Mx381 User manual eng V1 00 doc 133 ISKRAEMECO Tt ME381 and MT381 There are two Single action schedule objects 0 0 15 0 0 end of billing period 1 d 0 and 0 0 15 1 0 end of billing period 2 d 2 which trigger billing actions and represent start point for Billing Read E meter events 6 4 2 End of billing period script table Each of billing sources invokes script from end of billing script table That script starts the
141. hem On the end of aggregation period calculated average phase voltage is compared to defined thresholds If the voltage depth value obtained at the end of aggregation time interval falls below the one of threshold voltages presented in the table below corresponding counter is incremented The depth is the difference between the reference voltage nominal phase voltage and the average Ums value measured on particular phase during the aggregation interval Threshold Levels Threshold Voltages Depths Threshold Level Counters Level 1 U gt 10 Counter 1 overvoltage Level 2 5 lt U lt 10 Counter 2 overvoltage Mx381_User_manual_eng_V1 00 doc 167 ISKRAEMECO t ME381 and MT381 Level 3 0 lt U lt 5 Counter 3 overvoltage Level 4 5 lt U lt 0 Counter 4 undervoltage Level 5 10 lt U lt 5 Counter 5 undervoltage Level 6 15 lt U gt 10 Counter 6 undervoltage Level 7 U lt 15 Counter 7 undervoltage Table 62 Dip amp swell detection model During the processing of the measurement at the end of aggregation interval in case of simultaneous sags or swells corresponding phase threshold level counters and the common threshold levels counters named ANY are incremented In case when the voltage depths measured on more phases are in the same threshold level corresponding ANY counter is incremented only by 1 On each phase voltage is calculated every 10 minutes Calculat
142. hird generation of Iskraemeco electronic single and three phase meters for a deregulated market of electric power with the following common functional properties e Time of use measurement of active energy and maximum demand in up to 8 tariffs e Load profile registration e LCD in compliance with the VDEW specification with two modes of data display e Internal real time clock Two keys Reset and Scroll key e Optical port IEC 62056 21 standard for local meter programming and data downloading e Built in interface IR for a remote two way communication meter programming and data downloading e Wired M Bus e Alarm input e Non potential key input e Opto MOS o switching functionality for low current loads max 100mA 250V o metropulse functionality configurable energy pulses e Bi stabile relay o Switching external loads up to 6A max 250V Mx381 User manual eng V1 00 doc 16 ISKRAEMECO zk ME381 and MT381 o external disconnector functionality e Integrated disconnector with 1 phase meters e External disconnector with 3 phase meters option Further to the Mx381 meters functionality they also enable e Detectors of the meter and the terminal block covers opening e Disconnector for remote disconnection reconnection of the customer premises e M Bus for reading other meters heat gas water s Remote display ON OFF configuration e Two different console type reduced and normal e Third party disconnector drive
143. ibute defines the time expressed in milliseconds over which when any character is received from the primary station the device will treat the already received data as a complete frame Mx381 User manual eng V1 00 doc 89 ISKRAEMECO Tt ME381 and MT38I Inactivity Time Out Attribute defines the time expressed in seconds over which when any frame is received from the primary station the device will process a disconnection When set to 0 this means that the inactivity time out is not operational Device Address Attribute contains the physical device address of a device In the case of single byte addressing e 0x00 No Station Address e 0x01 0x0F Reserved for future use e Ox10 0x7D Usable address space e Ox7E Calling device address e OX F Broadcast address For effective use of functionalities meter must be properly configured 5 5 2 P1 interface Port P1 is a read only interface The meter has only one port P1 It is possible to connect more than one device OSM Other Service Module via splitter Diagram for connecting one or more devices to port P1 is shown in figure below Request Mx38y pu P osm _ GND Request Se D OSM 1 MX38y Rt 21 Splitter GND i 7 OSM n Figure 69 Diagram for connecting device to P1 port To protect the meter and to lower the possibility of influencing the meter through the P1 port it is equipped with an opto coupler
144. ibutor SMS Metering Ltd TEL 0845 604 7244 E mail sales smsmetering co uk Mx381 User manual eng V1 00 doc Mx381 User manual eng V1 00 doc 187 ISKRAEMECO Tt ME381 and MT381 Mx381 User manual eng V1 00 doc 188
145. icates error in the meters program space micro controller internal FLASH memory when the behavior of meter is unpredictable and meter should be replaced The results stored in the meter should be inspected and validate Backup Error Indicates CRC error in FRAM for energy back up data and every time when new copy is created meter calculates CRC for it Before use of such copy meter checks CRC and if CRC is not valid generates Backup Error Parameter Error Indicates checksum error in parameter storage meters non volatile memory The error does not affect energy cumulative registers but can affect tariff registers if an error is detected inside tariff program The error bit can be reset by writing new set of parameters Mx381 User manual eng V1 00 doc 150 ISKRAEMECO d ME381 and MT381 Data Error Indicates CRC error for energy data stored in RAM and this error appears in combination with Backup Error Since occurrence of that error results in the meter are not valid the meter should be replaced 6 8 Activity calendar and TOU registration See Chapter 5 4 6 9 Disconnector Load switch Plug in Only for direct connected MT381 meters disconnector is used for remote disconnection and reconnection of electric network to individual customers Control can be performed locally from the meter or from a remote control centre using the meter AMR communication ME381 meters have build in disconnector Transformer connecte
146. icates that the disconnector has been manually disconnected 181 Manual connection M Bus Ch 3 Indicates that the disconnector has been manually connected 182 Remote disconnection M Bus Ch 3 Indicates that the disconnector has been remotely disconnected 183 Remote connection M Bus Ch 3 Indicates that the disconnector has been remotely connected 184 Valve alarm M Bus Ch 3 Indicates that a valve alarm has been registered 190 Manual disconnection M Bus Ch 4 Indicates that the disconnector has been manually disconnected 191 Manual connection M Bus Ch 4 Indicates that the disconnector has been manually connected 192 Remote disconnection M Bus Ch 4 Indicates that the disconnector has been remotely disconnected 193 Remote connection M Bus Ch 4 Indicates that the disconnector has been remotely connected 194 Valve alarm M Bus Ch 4 Indicates that a valve alarm has been registered 255 Event log cleared Indicates that ine event log was cleared This is always the first entry in an event log It is only stored in the affected event log 6 6 When some special events occur in meter internal alarm is generated in meter which can be sent to the central system The alarm parameters are predefined The priority levels of alarms are adjustable Table 49 List of events in the M Bus control log Alarms Alarms are then registered and handled by the utility HES Events y Bes Alarms Alarm Filter Filtering Alarm Register Alarm Descriptor
147. ication part of FW upgrade can be done locally or remotely in compliance with the predefined security levels The objects in the meter are secured with four authentication levels or most severe with param key FW rewrite is applied in compliance with standards Welmec For effective use of functionalities meter must be properly configured 5 8 Configuration program change This two objects record number of configuration parameter changes 0 0 96 2 0 in the meter along with the timestamp of the last change 0 0 96 2 1 s Number of configuration program changes e Date of last configuration program change Mx381 User manual eng V1 00 doc 128 ISKRAEMECO Tt ME381 and MT381 6 Description of main meter functionalities 6 1 Measurements Beside energy and power measurement and registration and instantaneous values measurement and registration power voltage current power factor frequency the following meter functions are available e Power Quality Measurements according EN 50160 e Power Quality Measurements data available as instantaneous or average data e Voltage sags and swells e Undervoltages overvoltages e Detection of minimum maximum daily voltage e Detection of instantaneous power factor per phase three phase registers e Detection of last average power factor e Registration of three phase and phase power downs and duration long and short See also Chapter 3 6 6 2 Sequences These objects are u
148. ied in the implementation specifications When this maximum is reached the updating of the variable follows a First In First Out FIFO mechanism only the newest source MAC addresses are memorized The default value of this variable is an empty array Desynchronization Listing This attribute holds the MIB variable desynchronization listing variable 24 specified in IEC 61334 4 012 sub clause 5 8 Desynchronization listing structure e nb physical layer desynchronization desync of server unit if sync conformation timer expires e nb time out not addressed desynchronization desynchronization of server unit if timeout not addressed timer expires s nb timeout frame not OK desynchronization desynchronization of server unit if timeout frame not OK timer expires e nb write request desynchronization local desynchronization in server requested e nb wrong initiator desynchronization desynchronization of server unit caused by synchronization on client unit with wrong MAC address This variable counts the number of desynchronizations that occurred depending on their cause On reception of synchronization loss notification the Management Entity updates this attribute by incrementing the counter related to the cause of the desynchronization When one of the counters reaches the maximum value it automatically returns to O on the next increment The default value of this variable contains elements which are all equal to O Broadcast Frames Counter
149. in the DLC DLC network network 9 DRO Meter data down loading is Data package is present in the AMR in progress communication network 10 FF No fault Fatal fault 1 SET Normal operation mode EC Emergency Credit active Emergency Credit threshold limit expired Table 24 LCD cursors LEGEND v Flag is on mi Flag is off E A p Flag is blinking V V V V WV V NV VM V WM METERFLAGS DLC T1 T2 T3 T4 MB SD DLC DRO FF EC T5 T6 T7 T8 V V WV V WV V V V V V METERFLAGS GSM T1 T2 T3 T4 MB SD SQ REG DRO FF EC T5 T6 T7 T8 Figure 38 LCD cursors Mx381 User manual eng V1 00 doc 56 ISKRAEMECO Tt ME381 and MT38I 4 4 1 8 Display format Two objects are used to configure format for energy and demand values on display Up to eight digits are used to display a value and up to three of them can be used for decimal precision On display active energy is represented in kWh reactive energy in kvar apparent energy in var and demand in kW Format is a single octet value where first nibble of value upper half of byte represents the width of the value a number of digits for value presentation on display and last nibble of value lower half of byte represents the precision of the value a number of decimal digits for energy presentation on display See examnlas below For effective use of functionalities meter must be properly configured Display format examples e 60 6 digits 0 decimals c
150. in the fraud event log In case of terminal cover open the dedicated counter Cover opening counter is incremented as well Following figure presents the Logging capabilities of two tampering processes E Meter PlatrormuUispatcner TerminaiCounte FrauatventLog lerminailoverUpenec lerminailoverUpenec lerminailoverUpenec Counter 3 TerminalCovet gt FraudAlarmON erminaiLoverUpenec VieterLoverUpene Motor over Done Motor overUpenet lop Package Adversary a Veto FraudAlarmON Figure 109 Meter and Terminal cover tamper logging 6 13 1 2 Parameter lock switch Its primary function is to strengthen the meter access functionality When put in locked position objects dedicated to factory parameterization are not accessible anymore Furthermore certain attributes of the dedicated objects are also inaccessible even though the proper key or security method was used The same mechanism applies for executing specific methods Therefore Meter reset Master reset can only be done when the parameter switch is in unlocked position Mx381 User manual eng V1 00 doc 174 ISKRAEMECO t ME381 and MT381 6 13 1 3 Additional COSEM objects used According to parameter switch position bit 8 in the register is changed If the parameter switch is in locked position the bit will be set to 1 and if the switch is in disconnected position bit 8 will be set to 0 When the switch is not locked the protection is disabled and when the switch is in l
151. ini meter provides 63 total demand registers SUM tariff A 1 6 0 1 6 e A 2 6 0 2 6 e Q 3 6 0 3 6 e Q 4 6 0 4 6 e S 9 6 0 9 6 e S 10 6 0 10 6 e ABS IA I IA I 15 6 0 15 6 e lt e gt is used as tariff index from 1 to 8 Table 3 Maximum demand registers total Mx381_User_manual_eng_V1 00 doc 32 ISKRAEMECO zk ME381 and MT381 3 5 2 4 Time management Whenever time in meter meter clock is changed it comes to one of two possible events time change or time synchronization Time synchronization is treated whenever the difference between new and old time does not exceed certain thresholds For demand registers those thresholds are e time set threshold in object Clock time shift limit 1 0 0 9 11 255 e time shift is smaller than 1 of respective measurement period but no bigger than 9s VDEW Time synchronization event has no effect on demand registers because time change is too small Nevertheless if more than one time synchronization per measurement period occurs every second synchronization is treated as appropriate time change second time synchronization forward backward is treated as time change forward backward If the above mentioned thresholds are exceeded time change is treated by meter All time change use cases are presented in next chapter 3 6 Measurement principle One ME381 or three MT381 metering elements can be built in the meter The current s
152. is heard by the server system due to cross talk When the Intelligent Search Initiator process is implemented in the server system it is capable to establish a list of all initiators it can hear and to lock on the initiator with the best signal level IDIS uses the Intelligent Search Initiator process to bind the meter to the concentrator The objective of the Intelligent Search Initiator process is to improve plug amp play installation of the meter by ensuring that every meter is registered at the correct initiator concentrator If the Intelligent Search Initiator process is implemented the meter does not bind to the first concentrator heard but it sets up a list of all concentrators in range and binds to the one with the best communication quality Alarm Management When alarms are generated they are stored in the Alarm Register and are delivered to the Alarm Management System through the appropriate communication channel Figure below shows the different services of the PLC channel supporting the alarm management Using PLC communication the alarms are raised by S FSK Alarm delivery The Alarm Management System upon receipt of S FSK Alarm discovers the devices with Alarm Status using the CIASE Discover service The Alarm Descriptors are sent to the Alarm Management System as part of the Discover Report PDUs If an Extended Alarm Status is indicated the Alarm Management System reads the COSEM object Alarm Register to rece
153. isconnect c ss cR s s o o 2 ez o o O O O t e 2 Ready for Connection O State 2 g D Oo o a 13 PT E JE x ic 1 o O Manual Reconnect e Connected State 1 Manual Disconnect f Local Disconnect g Local Reconnect h Figure 76 M Bus disconnect state diagram It defines the mode of operation of M Bus Disconnect control These are possible modes Mode Description 0 None The disconnect control processes the command to go in connected state Remote b c Disconnection 1 Local g S Remote d EES Manual e Press the key on M Bus device l Remote b c Disconnection 2 Local g m Remote a EEN Manual e Press the key on M Bus device Remote b c Disconnection 3 Local g Remote d SECO HORE Manual e Press the key on M Bus device Remote b c Disconnection 4 Local g NOSS Remote a HEN Manual e Press the key on M Bus device l n Remote b c Disconnection Local g 5 Remote d Reconnection Manual e Press the key on M Bus device Local h Disconnection oou Local g 6 Remote d Reconnection Manual e Press the key on M Bus device Local h Disconnect Output State Disconnect Output State shows the actual physical state of the disconnect unit Table 37 M Bus disconnector modes Mx381 User manual eng V1 00 doc ME381 and MT381 101 ISKRAEMECO Tt ME38
154. ive the complete Alarm status Alarms are cleared with the CIASE Clear Alarm service or with writing to the Alarm Register CIASE Clear Alarm Service is used to clear alarm state in network elements Clear Alarm Service request arguments e Alarm Descriptor identify alarm to be cleared e Alarm Descriptor List identify list of alarms to be cleared s Alarm Descriptor List And Server List identify servers and alarms to be cleared s Alarm Descriptor by Server identify servers and single alarm per server to be cleared Clear Alarm Service has no respond Mx381 User manual eng V1 00 doc 114 ISKRAEMECO Tt ME381 and MT381 For the purpose of interoperability the following two Clear Alarm Service arguments must be supported e Alarm Descriptor e Alarm Descriptor List and Server List with the list of minimum one CIASE Server System Mgt AP Client CIASE Client P Alarm req Alarm Pattern in the pause P Alarm ind Discover req Discover res ClearAlarm req bg DL Data req 4 DL Data ind ClearAlarm ind 4 Figure 87 The alarm management services 5 5 4 5 S FSK PHY amp MAC setup An instance of the S FSK Phy amp MAC setup class stores the data necessary to set up and manage the physical and the MAC layer of the PLC S FSK lower layer profile Initiator Electrical Phase Holds the MIB variable initiator electrical phase variable 18 specifie
155. l system In the unregistered state the MAC address is NEW address This attribute is locally written by the CIASE when the system is registered with a Register service The value is used in each outgoing or incoming frame The default value is NEW address This attribute is set to NEW bythe MAC sub layer once the time out not addressed delay is exceeded e and if a client system unregisters the server system See the S FSK Active initiator IC When this attribute is set to NEW the server loses its synchronization function of the MAC sub layer e the MAC group address attribute is reset array of 0 elements server automatically releases all AAs which can be released The second item is not present in IEC 61334 4 512 The predefined MAC addresses in S FSK profile and values are shown below e NO BODY 000 e Local MAC 001 FIMA 1 e Initiator FIMA LIMA e MAC Group address LIMA 1 FFB s All configured FFC s NEW FFE e All Physical FFF Lli MAC addresses are expressed on 12bits These addresses are specified in IEC 61334 5 1 sub clauses 4 2 3 2 4 3 7 5 1 4 3 7 5 2 and 4 3 7 5 3 e FIMA First initiator MAC address COO e LIMA Last Initiator MAC address DFF MAC Group Address Holds the MIB variable MAC group address variable 4 specified in IEC 61334 4 512 sub clause 5 3 and IEC 61334 5 1 sub clause 4 3 7 6 This attribute contains a set of MAC group addresses used for br
156. lled by a short press on Scroll key Return to the Set menu is performed when all LCD test conditions are scrolled e t is also possible to return to the Set menu from any LCD test condition by a long press on Scroll key when tip Layer up is shown Escape into the Auto scroll mode is performed by an extended press on Scroll key when tip Esc is shown Mx381 User manual eng V1 00 doc 69 ISKRAEMECO Tt ME381 and MT381 Layer up Even segments ON All segrrienits OFF Figure 56 LCD test mode navigation 4 4 3 9 Meter reset Sealed reset key cover must be opened to access the reset key Reset and Scroll keys are used to reset the meter by pressing appropriate keys following predefined time sequences The meter has to be unlocked param switch on The pressing keys are tracked by messages on display Mx381 User manual eng V1 00 doc 70 ISKRAEMECO Tt ME381 and MT381 Legend Scroll push button Startup display test state 5s Long press 2s s Tp lt 5s HM MkVArh A Bngag B RRE RED B stoned press 9259 v Locked param N Unlocked d D Ki switch rELEASE First then Auto scroll param w Unlocked switch D X A s K r d NOK execute w OK bh 4 meter 7 wv reset m d rFAIL hw rSuCCES Timeout 3s Figure 57 Meter reset procedure Meter reset is performed by the following procedure e Power up the meter Within 5 seconds after powe
157. ly and stores last average value The time interval T over which the demand is measured or computed is defined by specifying number_of_periods and period attributes The figure below presents how time attributes are ment to be used with the Demand register class Mx381 User manual eng V1 00 doc 31 ISKRAEMECO Se ME381 and MT381 T numser_of periods peaod I start time current capture time now Figure 17 Time attributes when measuring sliding demand 3 5 2 3 Other demand registers In addition to sliding demand registers Mx381 meter also has other demand measuring registers Last average Demand Registers Last demand registers x 5 0 represent same values as attribute 3 of average demand registers They are stored as separate registers for possible display on LCD SUM tariff At 1 5 0 X A 2 5 0 X Q 3 5 0 X Q 4 5 0 X S 9 5 0 X S 10 5 0 X ABS IAtl IA I 15 5 0 X Table 2 Last average demand registers Maximum Demand Registers total Maximum demand registers represent the biggest CAV Current Average Value from average demand registers measured in one period At the end of each measurement period CAV from x 4 0 register attribute 2 is compared to maximum demand value if CAV is bigger it replaces the value stored in maximum demand register Maximum demand values are set to 0 at the end of billing period COSEM Extended register class is used for maximum demand registers Houd
158. manual eng V1 00 doc 48 ISKRAEMECO Tt ME381 and MT38I o 12 up WM R aj ms G T MOO 4 er T e M AC n g Te qu m vM IDIS ow 10 agave ate veg a OZ Q Veg re O3 ene z E e Figure 29 Positions of the seals at ME381 meter Figure 30 Positions of the seals at MT381 meter Mx381 User manual eng V1 00 doc 49 ISKRAEMECO Tt ME381 and MT38I 4 3 Front plate The front plate of ME381 meter is shown on the following two figures SKRA m nu 20X A N one WA MKVA Th Y A DH OO j IID v ow wy wo www j 7 T T3 T4 MB SD PLC DAO FF EC AQ f AC 1Ph2Wie 4 Lon CON s No 12 345 678 s MEX fi D A tun emm Ki Me D4gn j 1 ze Gigs i 20V CG AA i Al 05 1066 A I B D FDH Nc FE C MXX 1304 xi 13MIDhcot i zg Xx leniaremesdwe 740 C t0 70 C Cupkmpaastgnate 91 Tee 092 Dem E MID omge m 1 8 0 Positive active energy Total Du 3 IDIS 1DLM 28D Negative active energy Tote Wh m CA ROE rs per vum 280 Positie siewe Tow eet 5 LV UU LP L 8 AAD Negative reactive energy Total kam f 1000imp amp va 100 impen PE ee Figure 31 ME382 DIN front plate F JSKRA manu 20X o egre ME MKWArh 888aoBRBBBBAH i am M 12 T3 T4 MB S0 PCDRO FF EO X VA AoA PRAWI V B TEE WAM UNWEIT GGaamezzes Com 1S16066 V12V43P1B11L11 MeKD4gnz SR Leg EES 2v
159. mmunication error e M Bus fraud attempt e M Bus device installed e M Bus valve alarm Each group consists of four different alarms one per channel 1 4 Alarm Alarm set condition Alarm reset condition M Bus communication error After 3 unsuccessful readings of the M Bus device device is physically disconnected After first successful reading of the M Bus device after communication error device is physically connected again M Bus fraud attempt When the data is successfully received from the M Bus device and bit 6 Fraud attempt in the Error status code of the Fixed data header is set When the data is successfully received from the M Bus device and bit 6 Fraud attempt in the Error status code of the Fixed data header is cleared M Bus device installed After successful installation of the M Bus device to the free channel After successful de installation of the M Bus device from the channel when Slave de install method or M Bus remove method are invoked When M Bus device sets the bit 7 in When M Bus device cleares the bit 7 in M Bus Status attribute of the M Bus Client Status attribute of the M Bus Client Setup valve alarm i Setup object object Table 38 M Bus alarms 5 5 4 PLC communication interface PLC is power line communication over the low voltage grid which has become more interesting for the utilities during the last decade trying to achieve more
160. n objects Mx381 User manual eng V1 00 doc 41 ISKRAEMECO Tt ME381 and MT38I 4 Meter construction 4 1 Technical figures and dimensions Figure 20 Overall and fixing dimensions of the ME381 meter fitted with a short terminal cover Mx381 User manual eng V1 00 doc 42 ISKRAEMECO t ME381 and MT381 Figure 22 Overall and fixing dimensions of an MT381 meter fitted with a short terminal cover Mx381 User manual eng V1 00 doc 43 ISKRAEMECO Tt ME381 and MT381 gem Figure 23 Overall and fixing dimensions of the MT381 meter fitted with a disconnector and a long terminal cover 4 2 Meter case A compact meter case consists of a meter base with a terminal block and fixing elements for mounting the meter a meter cover and a terminal cover The meter case is made of high quality self extinguishing UV stabilized polycarbonate that can be recycled The case ensures double insulation and IP54 protection level against dust and water penetration The movable top hanger is provided on the back side of the meter base under the top edge The top hanger ensures the upper fixing hole height of 156 5mm ME381 and 136mm MT381 above the line connecting the bottom fixing holes DIN 43857 On the front side of the meter there is a lid which is fixed to the meter cover with a hinge The lid covers the SET key and can be sealed in the closed position The optical port is utilized for attaching an optical probe The optic
161. n through rele Other Service Module Gas Meter GSM GPRS Kr Za P Pc Electricity ays Meter gt CAS K Water IR Meter PC Laptop PDA Figure 1 Smart metering system Mx381 User manual eng V1 00 doc 17 ISKRAEMECO Tt ME381 and MT381 3 Mx381 meters introduction 3 1 Standards and references EN 13757 1 EN 13757 2 EN 13757 3 EN 13757 4 IEC 62056 21 IEC 62056 46 IEC 62056 47 IEC 62056 53 IEC 62056 61 IEC 62053 21 IEC 62053 23 IEC 62052 11 IEC 62052 21 IEC 61334 4 32 Communication systems for meters and remote reading of meters Part 7 Data exchange Communication systems for meters and remote reading of meters Part 2 Physical and link Layer Communication systems for meters and remote reading of meters Part 3 Dedicated application Layer Communication systems for meters and remote reading of meters Part 4 Wireless meter readout Radio Meter reading for operation in the 868 870 MHz SRD band Data exchange for meter reading tariff and load control Direct local connection 3rd edition of IEC 61107 Electricity metering Data exchange for meter reading tariff and load control Data link layer using HDLC Protocol Electricity metering Data exchange for meter reading tariff and load control COSEM transport layers for IPv4 networks Electricity metering Data exchange for meter reading tariff and load control COSEM Application
162. nf T1 8 TSlots calculated by the MAC layer T2 CC TSlot calculated by the MAC layer Figure 86 The repeater allocation services CIASE clear alarm service Clear Alarm Service is used to clear alarm state in network elements Clear Alarm Service request arguments e Alarm Descriptor identify alarm to be cleared e Alarm Descriptor List identify list of alarms to be cleared s Alarm Descriptor List And Server List identify servers and alarms to be cleared e Alarm Descriptor by Server identify servers and single alarm per server to be cleared Mx381 User manual eng V1 00 doc 113 ISKRAEMECO Tt ME381 and MT381 Clear Alarm Service has no respond For the purpose of interoperability the following two Clear Alarm Service arguments must be supported e Alarm Descriptor e Alarm Descriptor List and Server List with the list of minimum one Search initiator service The Search Initiator service objective is to improve plug amp play installation of server systems by ensuring that each server system is registered by the correct initiator When a new server system is placed in the network it will be discovered and registered by the first initiator it hears talking It remains registered by that initiator as long as it keeps receiving correct frames the time out not addressed timer does not expire If there is cross talk on the network the server system may be registered by the wrong initiator i e one which
163. nimal under threshold duration in seconds required to execute the under threshold action Emergency Profile An emergency profile is defined by three elements e emergency profile ID e emergency activation time e emergency duration An emergency profile is activated if the emergency profile ID element matches one of the elements on the emergency profile group ID list and time matches the emergency activation time and emergency duration element e Emergency activation time defines the date and time when the emergency profile is activated e Emergency duration defines the duration in seconds for which the emergency profile is activated When an emergency profile is active the emergency profile active attribute is set to TRUE Emergency Profile Group ID List It defines a list of group IDs of the emergency profile The emergency profile can be activated only if emergency profile ID element of the emergency profile type matches one of the elements on the emergency profile group ID list Emergency Profile Active It indicates that the emergency profile is active False 0 e True 1 Actions It defines the script to be executed when the monitored value crosses the threshold for minimal duration time e Action over threshold defines the action when the value of the attribute monitored crosses the threshold in upwards direction and remains over threshold for minimal over threshold duration time 0 0 10 0 106 1 0 0 10 0 106
164. nt PLC network management process includes management services for discovery and registration of network elements service for detecting if network element responds ping service for clearing alarms clear alarm and service for repeater status update repeater call Mx381 User manual eng V1 00 doc 110 ISKRAEMECO Tt ME381 and MT381 PLC Network Management Process A A A A A o f i E i i E Y c a i E Y ad E Q us O LLI LL LLI qc Si O e D Z Z E Q O O n E ac t D Se TY lt m O ag Y PLC Network Management Application Layer IEC 61334 4 511 CIASE A A_aA A A gt gt gt C a a T O LLI LLI 54 O or 6 i Y Y O e ra O gt gt gt lt L G e a ug wg we E gt D 0 0 Co EO t c x lt UI 4 aad lt lt C x e C e D Q Q 1 a zi A A E QA 1 1 a QO O ei j e e O E d a a CH Y Y Y Data Link Layer IEC 61334 4 32 Figure 84 PLC network management CIASE discover mechanism The IEC 61334 5 511 CIASE discover mechanism uses discover and register services Management services are used to discover new network elements MAC address is set to NEW or elements which are in alarm state Management services also allow the assignment of an individual MAC address to unregistered network element CIASE discover service Discover Service is used to discover new
165. oadcast purposes Array MAC address The ALL configured address ALL physical address and NO BODY addresses are not included in this list These ones are internal predefined values This attribute shall be written by the initiator using DLMS services to declare specific MAC group addresses on a server system This attribute is locally read by the MAC sub layer when checking the destination address field of a MAC frame not recognized as an individual address or as one of the three predefined values ALL configured address ALL physical address and NO BODY Mx381 User manual eng V1 00 doc 117 ISKRAEMECO Tt ME381 and MT381 Repeater Holds the MIB variable repeater variable 5 specified in IEC 61334 4 512 sub clause 5 3 and IEC 61334 5 1 sub clause 4 3 7 6 This attribute holds the information whether the server system effectively repeats all frames or not e never repeater 0 always repeater 1 dynamic repeater 2 If the repeater variable is equal to 0 the server system should never repeat the frames If it is set to 1 the server system is a repeater it has to repeat all frames received without error and with a current credit greater than zero If it is set to 2 then the repeater status can be dynamically changed by the server itself The value 2 value is not specified in IEC 61334 4 512 This attribute is internally read by the MAC sub layer each time a frame is received The default value is 1 Repeater Sta
166. ocked position the protection is enabled 6 13 2 Logical security Logical security in e meter is devided into two separate entities a DLMS COSEM Security b Additional Communication Security 6 13 2 1 Overview of the cryptographic methods The cryptographic components provide the security services of confidentiality data integrity authentication authorization and non repudiation a service that provides proof of the integrity and origin of data Two basic components on which cryptography relies upon are an algorithm or cryptographic methodology and a key The algorithm is a mathematical function and the key is a parameter used in the transformation Basic types of approved cryptographic algorithms are e cryptographic hash functions s symmetric key algorithms e asymmetric key algorithms Hash functions Hash functions produce short representation of a longer message A good hash function is a one way function It is easy to compute the hash value from the particular input while backing up the process is extremely difficult Hash functions take an input of arbitrary length and always output a fixed length value Therefore the alternative name for hash functions is message digest Message M1 is run through a hash function and a fixed message digest H1 is produced and transferred along with the original message Symmetric key algorithms oymmetric key algorithms often called secret key algorithms use a single key to
167. ode 5 Index digit size 3x6mm Number of digits for value 8 Index digit size 4 x 8 mm Climatic Indoor meter er Mechanical Meter passed all mechanical tests like schock and vibration tests conditions Terminals diameter Direct connected meter with 385A terminal block 8 5 mm Tightening torque Max 2 5 Nm Mechanical V Electromagnetic 200 x 132 x 82 mm3 ME382 long terminal cover ee 157 x 132 x 82 mm3 ME382 short terminal cover LI AMEN Approx 0 82 kg ME382 D3 Approx 0 87 kg Co Mx381 User manual eng V1 00 doc 183 ISKRAEMECO F 7 2 MTI381 meter ME381 and MT381 Reference voltage Indirect connection 3 x 230 400 V Direct connection 3 x 230 400 V Reference 50 Hz 2 frequency Currents A Indirect connection Rated current 5A Maximal current 6A Thermal current 120 Imax Short circuit current 0 5 sec 20 x max Start up current lt 0 2 of rated current Direct connection Reference current 5A 10A Maximal current 85 A 120A Thermal current 12096 Imax Short circuit current Start up current half cycle at rated frequency 30 x max lt 0 4 of reference current Accuracy class Indirect connection Active energy B EN 50470 3 Class 1 IEC 62053 21 Reactive energy Class 2 IEC 62053 23 Apparent energy Calibrated up to 3 Direct connection Active energy A or B EN 5
168. of use by setting the switching times for corresponding tariffs See also TOU settings By default outputs are active when the low tariff is active For effective use of functionalities meter must be properly configured Oud Inputs Inputs are simple passive inputs with capability to detect a presence of voltage level on dedicated terminals There is one variation of input type e High Voltage 230V AC inputs Mx381 User manual eng V1 00 doc 77 ISKRAEMECO Tt ME381 and MT38I Up to two inputs can be used on the meter however only one type can be chosen low voltage or high voltage input Inputs can be configured for alarm or external key use only To be able to use inputs UO Control register needs to be configured according to desired needs There is a maximum of four input terminals two functional inputs intended for alarm or external key function use Terminal labels are the same for all system meter types Terminals are labeled as s 85 Common e 80 Alarm input 2 e 50 Passive External key e 51 Passive External key a JP L e ex Figure 62 Mx381 input terminals 5 2 4 Active SD outputs This output is low voltage transistor output There are three output pins on the terminal block which serve these outputs only on MT381 meters and are intended for disconnector For more info on disconnector see Chapter 6 18 5 2 5 Input output status This is read only information of I O status I
169. oll time is a compile time parameter and is set to 10 seconds General display readout object 0 0 21 0 1 is an instance of COSEM Profile Generic class where only Capture Objects attribute is relevant or other attributes are not used For effective use of functionalities meter must be properly configured 4 4 3 6 Manual scroll mode Manual Scroll mode is implemented in the following way e Manual scroll mode is used for manual data review on display e Displayed items are listed in Manual scroll mode sequence list defined by Alternate display readout object 0 0 21 0 2 e Manual scroll mode is accessible from the Data menu by a long press on Scroll key at the Std data item when tip Enter is shown Then the first item from the sequence list is displayed The next item from the sequence list is displayed by a short press on Scroll key s Atthe end of sequence the End notice is displayed Return to the Data menu is performed by a long press on Scroll key when tip Layer up is shown Escape in Auto scroll mode is performed by an extended press on Scroll key when tip Esc is shown Alternate display readout object 0 0 21 0 2 is an instance of COSEM Profile Generic class where only Capture Objects attribute is relevant or other attributes are no used Mx381 User manual eng V1 00 doc 67 ISKRAEMECO Tt ME381 and MT381 For effective use of functionalities meter must be properly configured s J Sid dALA E Izem 1 n
170. on display Mx381 User manual eng V1 00 doc 60 ISKRAEMECO Tt ME381 and MT381 4 4 2 Metrological LEDs The meter is provided with two red colored LEDs on the front plate They are intended for checking the meter accuracy Impulse constant depends on the meter version MT381 upper LED indicates active energy flow e middle LED indicates reactive apparent energy flow ME381 e right LED indicates active energy flow left LED indicates reactive apparent energy flow In normal meter operation mode LEDs emit pulses with frequency that is proportional to the measured power and is intended for the meter calibration and testing The LEDs are turned on and glows steadily if load is lower than the meter starting current Ata jeejee Figure 47 LEDs at ME381 meter P FE P mg PEN Figure 48 LEDs at MT381 meter 4 4 3 Keys There are two keys on every meters front side e Scroll key the blue key that is always accessible Its primary function is to scroll data from the Manual scroll sequence on the LCD Reset key the orange key that is under the lid with a hinge and can be sealed independently from the meter cover Mx381 User manual eng V1 00 doc 61 ISKRAEMECO Tt ME381 and MT381 Figure 49 Reset and Scroll key Depending on the time of releasing the keys and a combination of released keys the different actions can be made by the console menu navigation scrolling of metering results and other
171. on meter s INPUT terminal 18 L 19 20 21 22 23 24 25 26 27 28 29 30 31 ocal Communication Attempt Set when communication on any local port is detected i e unauthorized access M Bus Device Installed Set when new M Bus device is registered on the Ch1 with new serial number e REES Set when new M Bus device is registered on the Ch2 with new serial number N N Ch2 New M Bus D Install S EE SEET Set when new M Bus device is registered on the Ch3 with new serial number New M Bus D Install Geer e Set when new M Bus device is registered on the Ch4 with new serial number Reserved for future use C FResewedforlueuse OOOO E FResemedforlueuse OOOO E Reserved forfitureuse SSS EAR Disconnect Reconnect Failure Set when disconnector failed to connect disconnect Table 51 Alarm 2 codes IDIS P2 5 6 7 8 a D E Set when L2 voltage is not within ranges for defined period of time see EX ca EN EA 28 26 DA 28 29 30 Mx381 User manual eng V1 00 doc 145 ISKRAEMECO t ME381 and MT381 6 6 2 1 CIASE Alarm Descriptor Service All fraud attempts are grouped i e for alarming it is not necessary to see the exact type of fraud which caused the alarm This can be found out by checking the error register or the appropriate event log The S FSK profile provides the transport of an alarm from the meter to the data collector DC by means of the Discovery Service The Alarm Descriptor is a par
172. on the meter version Power is measured inside a measuring period The measuring period is a meter parameter and can be set Values that can be set are 1 5 10 15 30 and 60 minutes After termination of the measuring period the measured meter value is transferred from current measuring period registers to registers for previous measuring period that can be later used for the formation of billing values Values are recorded for each tariff and stored in corresponding tariff register from 1 to 8 Mx381 User manual eng V1 00 doc 27 ISKRAEMECO Tt ME381 and MT381 E time integral P t dt 1 8 x kWh P kW Lax 1 6 x 1 9 X T Sb i R Q1 Q2 Reactive Energy Q2 A Q1 Energy production consumpton A Q3 Q4 A Active Billing reset 1 6 x gt 0 Billing profile values R Q3 Q4 Figure 10 Measuring principle Cumulative Max Demand Plus All T1 T8 Maximum Demand Plus All T1 T8 P 1 0 1 4 0 1 0 2 8 8 Energy Plus All T1 T8 Qt S Q 1 0 3 4 0 1 0 4 8 8 Cumulative Max Demand Minus All T1 T8 S 1 0 9 4 0 1 0 10 8 8 Maximum Demand Minus All T1 T8 p Energy Minus AII T1 T8 m DL L l 2 ilnaulzauqQ 777 P Pd abs 1 0 15 4 0 1 0 15 6 8 Active Max Demand Absolute All T1 T8 S E 1 0 15 8 0 1 0 15 8 8 Deele Y Q EEN U I 1 0 31 7 0 1 0 72 7 0 Current Voltage L1 L3 Figure 11 Measured energy and demand 391 Energy Electrical meter energ
173. onnector e g connect disconnect changing of the disconnector threshold Disconnect control log structure contains timestamp and event code Disconnector control event log code object holds the code from the last event triggered These codes along with timestamps are then used in event log See chapter 6 13 9 6 10 Limitation Beside collecting and processing energy consumption data AMI system offers load balancing and control To achieve this current and demand limitation is implemented in the meter During short time period when power consumption excides contractual value for a specified time interval customer is disconnected from the grid until normal conditions are achieved or when penalty time is over To handle consumption monitoring and disconnection of customer premises following principles are used e Phase current measurement e Disconnection separation between disconnector and main fuse e Threshold level settings in accordance with customer contract and local regulator rules A disconnector is only disconnection element all measurements Supervision of measured quantities is handled by AMI meter The meter supports two different limitation types Limiter and Supervision monitor Supervision monitor supports both e IDIS definition implementation average phase current monitoring e GIZ definition implementation instantaneous phase current monitoring with penalty timers For effective use of functionalities meter mus
174. or manual Indicates that the disconnector has been set into the Ready for reconnection state and reconnection can be manually reconnected DU Manual disconnection Indicates that the disconnector has been manually disconnected 61 Manual connection Indicates that the disconnector has been manually connected 62 Remote disconnection Indicates that the disconnector has been remotely disconnected 63 Remote connection Indicates that the disconnector has been remotely connected 64 Local disconnection Indicates that the disconnector has been locally disconnected 65 Limiter threshold exceeded Indicates that the limiter threshold has been exceeded 66 Limiter threshold ok Indicates that the monitored value of the limiter dropped below the threshold 67 Limiter threshold changed Indicates that the limiter threshold has been changed 68 Disconnect Reconnect failure Indicates that the a failure of disconnection or reconnection has happened Indicates that the disconnector has been locally re connected i e via the limiter or oe Weve reconnection current supervision monitors Mx381 User manual eng V1 00 doc 141 ISKRAEMECO t ME381 and MT381 70 Supervision monitor 1 threshold exceeded Indicates that the supervision monitor threshold has been exceeded 71 Supervision monitor 1 threshold ok Indicates that the monitored value dropped below the threshold 72 Supervision monitor 2 threshold exceeded Indicates that the supervi
175. or the purpose of measurement for which it was produced Any misuse of the meter will lead to potential hazards gt WARNING Safety measures should be observed at all times Do not break the seals or open the meter at any time The content of this User manual provides all information necessary for safe selection of Mx381 meter E See the complete User manual for detailed technical features of Mx381 and its intended use It must be consulted in all cases where symbol is marked in order to find out the nature of the potential hazards and any actions which have to be taken to avoid them The meter installation procedure is described in the Installation and maintenance manual For safety reasons the following instructions should be followed Mx381 User manual eng V1 00 doc 14 ISKRAEMECO Tt ME381 and MT381 Only the properly connected meter can measure correctly Every connecting error results in a financial loss for the power company 1 DANGER The Mx381 electricity meter is the device connected to the power supply Any unauthorized manipulation of the device is dangerous for life and prohibited according to the applicable legislation Any attempt to damage the seals as well as any unauthorized opening of the terminal or meter cover is strictly forbidden 1 DANGER Breaking the seals and removing the terminal cover or meter cover will lead to potential hazards because there are live electrical parts inside KC DANGER When swi
176. ower up of the e meter When an installation procedure is started the e meter scans for physically connected M Bus devices for addresses from 1 to 6 and then also for address 0 After M Bus device is registered in the e meter regular communications can begin 5 9 3 2 Installation process The uniqueness of M Bus device identification is guaranteed with following parameters M Bus equipment identifier Fabrication number Manufacturer id Version and Medium Not all M Bus devices include M Bus equipment identifier in their M Bus frame which causes the problem to identify the device completely Beside that most of M Bus devices include Serial number in their data header but some also do not Therefore scenario for installing the M Bus device and logging the installation event in M Bus standard event log is as follows 1 If Serial number is available in M Bus data header frame then event New M Bus device installed ch x 1 is logged after first successful reading of device regardless on M Bus equipment identifier no encryption key needed at the moment 2 If Serial number is not available but the M Bus equipment identifier is then event New M Bus device installed ch x 1 is set after first successful decryption of the frame valid encryption key needed or no key needed if the data are not encrypted 3 If none of those identifications are available Serial number and M Bus equipment identifier then device is not installed properly
177. per phase 1 0 c 32 0 where c 32 52 or 72 will be incremented 6 12 1 3 Voltage swell Voltage swells are recorded when voltage rises above Threshold for Voltage Swell for the time set in Time Threshold for Voltage Swell Also recorded in designated objects are each swell in counter objects magnitude of voltage swells and duration of voltage swell All events are also recorded in Power Quality Log as overvoltage event See Chapter 6 5 5 1 As soon as voltage rises above value set in Threshold for voltage swell object for a period longer than set in Time threshold for voltage swell object the counter per phase 1 0 c 36 0 where c 36 56 or 76 will be incremented 6 12 1 4 Voltage cut Voltage that drops below the Threshold for voltage cut for the time set in Time threshold for voltage cut is recorded as a missing voltage event Mx381 User manual eng V1 00 doc 169 ISKRAEMECO Tt ME381 and MT381 6 12 1 5 Voltage daily peak and minimum Meters measure and records daily peaks and minimums of the phase voltages and peak and minimum of the average voltage of all three phases Measured voltage values are aggregate and average during settable aggregation period At the end of aggregation period measured value is compared to value stored in the current register and if it is greater or lower than existing overwrite old value with respect to that is it peak or minimum register At the end of the day values are copied f
178. per value in this COSEM object Certification log Certification log monitors specific objects and logs their old and new values When the communication log is full the new attempts to change monitored objects are denied More can be read at the certification data log description 6 13 2 4 Secure storage Secure storage is a reserved space in FRAM which is cryptographically protected In secure storage e meter stores all the necessary global encryption authentication and master keys The cryptographic protection relies on AES XTS Block Cipher Mode The main characteristics of this mode are Mx381 User manual eng V1 00 doc 179 ISKRAEMECO Tt ME381 and MT38I Provide security for storage data at rest not in transit e Tweakable block cipher encryption mode non malleable Usage of two keys in process of encryption decryption derived from cryptographic salt and hidden passwords Mx381 User manual eng V1 00 doc 180 ISKRAEMECO t ME381 and MT38 E 7 Technical characteristics 7 1 ME381 meter Reference voltage Indirect connection 230 V Direct connection 230 V Reference 50 Hz 2 frequency Currents A Direct connection Reference current 5A Maximal current 85A Thermal current 12096 Imax Short circuit current half cycle at rated frequency 30 x max Start up current 0 4 of reference current
179. pproval of Iskraemeco d d This document is for information only The content of this document should not be construed as a commitment representation warranty or guarantee for any method product or device by Iskraemeco d d SKRAEMECO and ISKRA are registered trademarks of Iskraemeco d d The contents of this document are the copyrighted registered and unregistered or trademarked property of Iskraemeco d d and are protected under applicable trademark and copyright law Unauthorized use may be subject to criminal and material liability Mx381 User manual eng V1 00 doc 12 ISKRAEMECO Tt ME381 and MT381 1 Safety information Safety information used in this user manual is described with the following symbols and pictographs 1 DANGER for a possibly dangerous situation which could result in severe physical injury or fatality attention to a high risk hazards All safety information in this user manual describes the type and source of danger its possible consequences and measures to avoid the danger CAUTION for a possibly dangerous situation which could result in minor physical injury or material damage attention to a medium risk hazards Operating instruction for general details and other useful information Responsibilities The owner of the meter is responsible to assure that all authorized persons who work with the meter read and understand the parts of the User manual that explains the safe handling
180. prevents completely filling fraud detection log with quickly repeated fraud events Example When strong DC field is detected event is saved in fraud log and time interval is started DC field is then removed event is saved in fraud log and another time interval is started For next 15 minutes no such event is recorded if we apply and remove DC field We can apply strong DC field that will not be marked with event wait until the time interval for DC removed runs out and then remove DC field Event will be logged in fraud log and time interval will be started again 9 00 strong DC field detected event 42 saved in fraud log 900s time interval for DC ON started 9 01 strong DC field removed event 43 saved in fraud log 900s time interval for DC OFF started 9 14 strong DC field detected logging of event 42 is blocked Time interval for DC ON ends time interval for DC OFF ends 9 17 strong DC field removed event 43 saved in fraud log 900s time interval for DC OFF started Fraud detection event log structure consists of timestamp and event code 6 5 4 1 Fraud detection event log codes Fraud Detection event log code object holds the code from the last event triggered These codes along with timestamps are then used in event log List of events in the Fraud detection event log is shown in the Table below IDIS event Event name Event description code 40 Terminal cover removed Indicates that the
181. r the requirements for strong cryptographic methods also increase DLMS COSEM provides two main information security features for accessing and transporting data e data access security controls access to the data held by a DLMS COSEM server data transport security allows the sending party to apply cryptographic protection to the xDLMS APDUS to ensure confidentiality and integrity This requires ciphered APDUs The information is given partly at the beginning of the application association establishment with two services e applicationcontext e authenticationcontext the level of data access security and partly by COSEM objects which define access to specific attributes Data access security Data access security is managed by the Association LN object Each COSEM server i e a logical device may support Application Associations with various clients each having a different role and with this different access rights Each Association object provides a list of objects visible in that particular Application Association and also the access rights to objects attributes and methods To be able to access data the client must be properly authenticated Upon Application Association establishment an authentication context is negotiated between the client and the server This specifies the required authentication of the peers and where needed the security algorithm to verify the authentication Three data access security levels are provided
182. r ZGtruchure nennen enne nene nn nnne sene ns 166 Figure 104a Voltage sampling nnnm nnn nnn nnn nne nnn nnn ns 168 Figure 104b Voltage sampling nnn meme nne nnn ns 169 Figure 105 Voltage Asymmetry Calculation ccccccccccccccceeeceeeeseeeseeeeee esse eeseeeeeeeeseeseeeseeeeseeeseeees 171 Figure 106 Unexpected consumption nsnnannnnanenennnonrnnnnrrrnnrnrnnrnrnnrrrnrrnrnrnnrnrnrrnrnennrnrnrrnernrnrnrenne 172 Figure 107 Intended neutral NN A 172 Figure 108 Power fail example nennen nennen nenne nnne nsns rsen se sre anseres 173 Figure 109 Meter and Terminal cover tamper Joggmmg 174 Figure 110 Encryption and decryption Drocedure 176 Index of Tables Table 1 All total and rate energy registers lsesssssssssessessssseeneeneenen nennen nnne nnne nnne neas 29 Table 2 Last average demand registers secs eeceeceeeeeeseeceeceeseceeeceeceecsecseeseeteeseeeseeseeseeeeeees 32 Table 3 Maximum demand registers Total 32 Table 4 List of metropulse output function enumeration nansansnnsnnnnnnnnnnsnrsnrnnrrrrnrsnrsnrnrrnrrnrsnrsrrnn 34 Table 5 Instantaneous voltage objects in the Mx381 meter 36 Table 6 Peak and minimum values of voltage ccc ceccceececeeeceeeceeeeseeeeeeeceeceeeeeseueeseeeseeeseeeeeeeeseeees 36 Table 7 Average values of voltage nennen nne nnn nene nnne nnn nnne nsn nnne nns 36 Table 8 Voltage levels 00 0 0 ccecccccccccccceeceeceeeeeeeeceeceeeeeaeeceesaeeaeeseeseeceseeaees
183. r average A OK 3 Phase average 3 0 0 128 7 51 lt 970 97 Lp d TT 1 2 n n 1 2999 3000 Start of sempling period End of sempling period NEN 0 Deg avenae 100 Ukr avg Us avg Ur we pl 10min period Figure 105 Voltage Asymmetry Calculation 6 12 1 7 Asymmetric current In case of an asymmetrical load the sum of the currents in the system is equal to zero but currents are different in amplitude and RMS values Detection of such condition refers to possible neutral break If previously described criteria are fulfilled meter alarm bit 8 is set in ALARM ON register IE alarm system 6 12 1 8 Unexpected consumption Unexpected consumption function is tied with the alarm bit 12 in Alarm status register If all conditions are fulfilled disconnector circuit breaker CB is disconnected and power consumption is still detected by the meter the alarm bit 12 is set Possible reason for the unexpected power consumption is shown on the Figure below Mx381 User manual eng V1 00 doc 171 ISKRAEMECO t ME381 and MT381 Customer Hl CB circuit breaker rid Customer Meter 0 4kV public power grid Figure 106 Unexpected consumption 6 12 1 9 Neutral missing detection If neutral is missing the virtual neutral N is represent with T phase decreased toward zero R and S phase increased toward interfacial voltage Figu
184. r up when the Startup display test is performing long press the Scroll key 2s S Tp lt 5s to enter the Reset mode The display indicates rESEt Press the Reset key and hold it then simultaneously press and hold the Scroll key e Wait until the display indicates rELEASE that is approximately 5 seconds after pressing the Reset key Release the Reset key first and then the Scroll key to execute the meter reset The parameter switch has to be open Otherwise the meter reset execution is rejected and the display indicates rEJEctEd for 3 seconds Then the meter returns to Reset mode If the meter reset was successfully executed the display indicates rSuCCESS otherwise it indicates rFAIL 4 4 4 Display data codes Basic data that can be displayed are listed in the table below OBIS identification for those data registers are presented on display in reduced format because the display has only five digits available for code presentation Which of the registers will be displayed depends on the meter type Some examples of the registers are listed in following table Mx381 User manual eng V1 00 doc 71 ISKRAEMECO F Code Data description 0 0 0 Meter serial number C 1 0 Meter manufacturer number 0 9 1 Time 0 9 2 Date 1 8 0 Total imported active energy A 1 8 1 Imported active energy in the 1 tariff T1 1 8 2 Imported active energy in the 2 tariff T2 1 8 3
185. re 72 M Bus master slave configuration and dongle interface As alternative solution for data exchange there is a combination of hardware or software paired meter dongle interface The dongle master interface is confirming to the wired M Bus specifications Wireless meter data are exchanged according to EN 13757 4 standard Devices are connected through the wireless RF M Bus connection according to the T1 T2 mode of this standard There is M Bus communication interface integrated in all Mx381 meters according to EN 13757 2 and EN 13757 3 which enables connection of four slave devices water gas or and heat meters and maximum length of wiring 50 m Communication specification e The communication speed is 2400 baud e The e meter act as an M Bus master and the external device as an M Bus slave A maximum of four external slave devices is possible e The standard used for the application layer EN 13757 3 e The standard used for the physical and link layer EN 13757 2 During standard operation the e meter will collect the consumption data by sequent polling the M Bus by the available device addresses A maximum four of the external M Bus meters could be read The retrieved data are organized in four measuring channels One channel per each connected meter Decivicty Meter bie gt E Ki cory i A pM b rne b m d s semp quete SN ER e 5 A 1 Im n n b Ga lanys d jte Ss
186. re below If in MT381 physical DLC modem is on the R phase then behavior of R and T phase is reversed R S Figure 107 Intended neutral N N Event Neutral missing 89 and system alarm Neutral current 0 depend on the asymmetrical voltage and the deviation of the average voltage from 230V Neutral missing event occurs if the following occurs e asymmetric voltage occurred voltage on single phase differs more than 3 e average voltage on one phase T is decreased more than 30 from 230V lower than 161V and average voltage on any other phases R or S is increased more than 28 from 230V upper than 294 4V 6 12 1 10 Power failure The following objects are registered in the meter e Number of power failures in all three phases and per phase Mx381 User manual eng V1 00 doc 172 ISKRAEMECO Tt ME381 and MT38I s Number of long power failures in all three phases in any phase and per phase e Time of power failure in all three phases in any phase and per phase e Duration of last long power failures in all three phases in any phase and per phase Duration of last long power failures objects show the duration of power failure if it is longer than time threshold set in Time threshold for long power failure When power fail time reaches time threshold in seconds for Long Power Fail set in Time threshold for long power failure register than Long Power Fail is registered else Power Fail is registered
187. reliable communication over the power lines The main advantage of power line communication is the fact that the existing infrastructure is used as a communication media Wires connect every household with the power line network The power line network is a large infrastructure covering most parts of the inhabited areas In power distribution the power is typically generated by e g a power plant and then transported on high voltage e g 400kV cables to a medium voltage substation which transforms the voltage into e g 10kV and distributes the power to a large number of low voltage grids Each low voltage grid has one substation which transforms the voltage into 400 V and delivers it to the connected households via low voltage lines Typically several low voltage lines are connected to the substation Each low voltage line consists of four wires three phase wires and neutral wire Coupled to the lines are cable boxes which are used to attach households to the grid PLC consists of three major parts e The DLC Distribution Line Carrier e The Concentrator and Communication Node CCN e The Operation and Management System OMS Mx381_User_manual_eng_V1 00 doc 103 ISKRAEMECO Tt ME381 and MT381 Following figure shows how the parts are connected in a typical system Customer 0 4kV i 10kV Meter DLC Communication path DLC CCN Central computer Figure 77 Typical
188. rom current registers to the previous registers and current registers are reset Daily Peak Minimum Current Previous Voltage Daily peak and minimum counters are 0 0 128 8 e e ALL phases avg U daily peak current e 0 e ALL phases avg U daily peak previous e 1 e ALL phases avg U daily minimum current e 2 e ALL phases avg U daily minimum previous e 3 e L1 voltage daily peak current e 10 e L1 voltage daily peak previous e 11 e L1 voltage daily minimum current e 12 e L1 voltage daily minimum previous e 13 e L2 voltage daily peak current e 20 e L2 voltage daily peak previous e 21 e L2 voltage daily minimum current e 22 e L2 voltage daily minimum previous e 23 e L3 voltage daily peak current e 30 e L3 voltage daily peak previous e 31 e L3 voltage daily minimum current e 32 e L3 voltage daily minimum previous e 33 Voltage Peak and Minimum Aggregation Period With this object aggregation period can be set Voltage sampling is made every 200ms and after the time set in this object the average voltage value to be used in daily peak minimum objects is calculated 6 12 1 6 Voltage asymmetry Meter measures voltages and compares them to the average voltage of all three phases lf a difference is greater than predefined threshold then alarm bit in ALARM ON register is set When symmetry is established back alarm bit in ALARM OFF register is set The level of asymmetry which triggers al
189. rs depends on meter type and configuration Attribute 2 of this object shows which registers are available in the meter to register Each register has its own index number and this index is used to identify the register which should be selected There is a separate energy and maximum demand object where data to register can be set Energy or demand objects can therefore be set separately with 16 different masks The complete set consists of e 11 energy types At A Q Q QI QII QIII ON S S and A A each having 8 tariff registers e 7 demand types DA DA Abs DA DQ DQ DS and DS each having 8 tariff registers For effective use of functionalities meter must be properly configured 0 4 4 1 Register Assignment In total 88 objects are included in register assignment attribute of energy register activation object 9 4 4 2 Mask List For these objects in register assignment 16 masks are available 5 4 4 3 Active Mask The attribute defines the currently active mask The mask is defined by its mask name Energy Register assignment includes all 88 rated energy objects from the meter Maximum demand Register assignment includes all 56 rated maximum demand objects from the meter 9 4 5 Tariff synchronization This is the object where different tariff switching modes can be selected There are two options Tariff not synchronized with measuring period Asynchronous 0 e Tariff synchronized with mea
190. s mechanism the risk of brute force attacks is mitigated The last unauthorized access is timestamped Authentication Failure Stamp Additional COSEM objects used According to secure meter communication it is possible to access the e meter only with Application Association which is currently active in the e meter If user wants to access the e meter with different Application Association new authentication mechanism name has to be written in the currently active Application Association s Authentication mechanism name attribute Authentication mechanism id of the Current association object 0 0 40 0 0 255 The e meter can now be accessed with the new Application Association Setting mechanism ID to 0 means that access is allowed with every mechanism ID set in the Application Association Request password SHA 1 MD5 or GMAC Data transport security Data transport security relies on applying cryptographic protection to xDLMS APDUS This is achieved via several security mechanisms The first mechanism is incorporated in application association request with two application service elements e The COSEM application context s User information filled with Initiate Request primitive ASEs involved in security The table below shows Different application context names and the relation between those names and allowed types of xDLMS APDUs Ciphered APDUS are allowed only in Application context name with ciphering Application Context Name Lo
191. se of the related time out not addressed counter Timeout Frame Not OK It is the maximum time after which the server loses the frame synchronization if not receiving a properly formed MAC frame This attribute Holds the MIB variable time out frame not OK variable 8 specified in IEC 61334 4 512 sub clause 5 3 and IEC 61334 5 1 4 3 7 6 Defines the time in seconds after which a server system that has not received a properly formed MAC frame incorrect NS field inconsistent number of received sub frames false Cyclic Redundancy Code checking loses its frame synchronization The default value of this variable shall be specified in the implementation specifications A value equal to 0 is equivalent to cancel the use of the related time out frame not OK counter Mx381 User manual eng V1 00 doc 121 ISKRAEMECO Tt ME381 and MT38I 5 5 4 8 S FSK MAC counters An instance of the S FSK counters class stores counters related to the frame exchange transmission and repetition phases Synchronization Register This attribute holds the MIB variable synchronization register variable 23 specified in IEC 61334 4 512 sub clause 5 8 Synchronization couples structure e MAC address e Synchronizations Counter This variable counts the number of synchronization processes performed by the system Processes that lead to a synchronization loss due to the detection of a wrong initiator are registered The other processes that lead to a s
192. sed to configure data for quick readout either from display or PC Each register can accept maximum of 32 visible entries They are usually used for most needed meter information such as energy and demand values or date and time Only objects attribute 2 Capture objects is needed for correct setup entry The meters have three different sequences P1 port readout sequence d 0 e General display readout sequence d 1 e Alternate display readout sequence d 2 For effective use of functionalities meter must be properly configured 6 2 1 P1 port readout list With P1 port readout list object 0 0 21 0 0 255 data readout information can be set For effective use of functionalities meter must be properly configured Mx381 User manual eng V1 00 doc 129 ISKRAEMECO Tt ME381 and MT381 6 2 2 General display readout With General display readout object 0 0 21 0 1 255 the information visible on meter s display in auto scroll mode can be set This information automatically scrolls on display every few seconds default period is 10 seconds without any need to press any key Presentation of strings on display is performed with horizontal scroll if the size of string is larger than the size of alphanumeric field for value on display 8 characters Horizontal scroll shift period is one second When the horizontal scroll is performed in Auto scroll mode the auto scroll period 10s is extended until end of the string is reached Th
193. sent to ALL physical address MAC address and therefore allows to update status of the whole network This message is always equipped with initial credit set to the maximum value Repeater Call Service request arguments e Max Addr MAC Maximal MAC Address number stored in Initiator e NbTslot For New Number of Timeslots used for network elements in NEW state e Reception Threshold Reception signal level threshold in dBuV Repeater Call Service has no respond IDIS is using the Repeater Call service to automatically configure as repeater or as no repeater those meters which are defined as dynamic repeaters The corresponding parameters are attributes Mx381 User manual eng V1 00 doc 112 ISKRAEMECO Tt ME381 and MT381 of the COSEM object S FSK Phy amp MAC setup The services involved in the repeater allocation process are displayed in figure below SubTslot 01234567 89 Y Status Client transmits Server MAC addr 1 received NoRepeater Server MAC addr 2 received NoRepeater Server MAC addr 3 not received Repeater gt transmits in slot 3 Server MAC addr 7 received NoRepeater Figure 85 Server responses to a repeater call System Mgt AP RepeaterCall req DL Data req DL Data conf DL Data ind RepeaterCall conf RepeaterCall ind P_AskForRepeaterCall req P_AskForRepeaterCall req lt lt Pattern 0 D P_Ask cnf P Aker gt MA_Ask cnf MA_Ask c
194. sion monitor threshold has been exceeded 73 Supervision monitor 2 threshold ok Indicates that the monitored value dropped below the threshold 74 Supervision monitor 3 threshold exceeded Indicates that the supervision monitor threshold has been exceeded 75 Supervision monitor 3 threshold ok Indicates that the monitored value dropped below the threshold Indicates that the event log was cleared This is always the first entry in an event log It com EES is only stored in the affected event log Table 47 List of events in the Disconnector control log 6 5 9 M Bus event log IDIS event Event name Event description code 100 Comm error M Bus Ch 1 Indicates com problem when reading the meter connected to Ch 1 of the M Bus 101 Comm ok M Bus Ch 1 Indicates that the communication with the M Bus meter connected to Ch 1 of the M Bus is ok again 102 Replace Battery M Bus Ch 1 Indicates that the battery must be exchanged due to the expected end of life time 103 Fraud attempt M Bus Chi Indicates that a fraud attempt has been registered 104 Clock adjusted M Bus Ch Indicates that the clock has been adjusted 110 Communication Error M Bus Ch 2 Indicates com problem when reading the meter connected to Ch 2 of the M Bus i icati ith the M B t ted to ch 2 of 111 Comm ok M Bus Ch 2 Indicates that the communication wi e us meter conn
195. slaves M Bus is a protocol that is described for remote reading of meters in the European standard EN 13757 It is a two wire system that provides power to the devices The requirements for M Bus are given in standard EN 13757 2 The bus interfaces of the slaves are polarity independent fi the two bus lines can be interchanged without affecting the operation of the M Bus devices No physical access for P2 port is possible by customer The connections to the M Bus port are located behind a sealable lid Due to uniformity reasons and independency of used communication medium all data exchange over wired connection is encrypted The Mx381 gathers and stores information from all connected meters or devices and forwards this information to the Central System It also controls e g the gas valve The maximum number of wired M Bus devices associated with a single e meter is four each with current consumption of 1 unit load 1 5mA in total 6mA Maximum current consumption of all connected M Bus devices is 8 unit loads The Mx381 is the master device meaning that all communication is initiated from it The maximum number of slaves in a master slave wired configuration is four Mx381 User manual eng V1 00 doc 94 ISKRAEMECO Tt ME381 and MT381 x M Bus Slave 1 M 38 M Bus X y Master M Bus Slave 4 Dongle 1 M Bus Slave 1 Mx38y Master 3 gt M Bus Slave 3 M Bus Slave 4 Figu
196. ssesssssseseenneene nennen nennen nnn nensis 24 3 4 Mx381 meter connection into the nebwork 26 3 5 Energy and demand registration ccccccccsecceecceeeeeeeeeeceeeeeeeseeeeeeseeeseeenees 2f IF Gin o0 T 20 SPP MESI T DE 29 3 6 Measurement principle nnne nnn nenne 33 3 6 1 Energy LED impulse CULO EE 33 3 6 2 Energy METRO pulse output 33 3 6 3 Measured quantities cc ccccccceccsccseeseeseesseeseeceeseeeseeseeeeeeaseseeeeeeeeees 35 Sr WOM Le esac 36 53 CUOI fo tte A A 37 200 NS TESIC ET TM 38 IO FOW WE 38 30 9 PONEI ee screenen EE EA EE E EE TU SR RES 38 3 EN E 39 3 6 10 Measurement period Darametertzaton 41 4 Meter e Et e e 42 4 1 Technical figures and dimensionS n 42 es MEU e 44 ALl TENADO e EUST 45 dE WII COV Cle ssim DEREN Pop iene UU 45 een EENALLE Ut TRECE 46 SE MER 19 Ree ee 48 e SC EE eue RENE ee 50 WA SCONSONS KOS E E E TT 54 LM OS LOD EE 54 Mx381_User_manual_eng_V1 00 doc 3 ISKRAEMECO zk ME381 and MT381 442 leie e e RR RE 61 e BC WR EE 61 444 Display data ene 11 e Oe E e E ed e e GE 72 5 Mx381 meter constituent Parts 2 0 ccc secs eeceeseeceeeeeeeeeceeeeeeseeseeeeeeseeseeaeeness 73 5 1 Mx381 meter type designation cccccsccseeceeeceeeceeceeeceeceeeeeeseeesuseseeesaes 73 Die MODUS dne OUT E 14 5 2 4 Relay Output OG oe once nee a eE Eben uU Med 14 5 2 2 OptoMOS ou
197. status for load profile with period 2 The AMR Profile status code has a size of 1 byte and is shown in decimal form The following table describes the state and the function of all bits If one of the events defined below has occurred during capture period corresponding event code is added to the profile status register By adding event codes to the profile status register all events occurred during capture period are stored to the profile buffer at the end of capture period After storing a value of profile status register together with meter stands in the profile buffer meter resets profile status register to zero value These status notifications shown in load profile readout are Status Bit Hex Dec Description None 0x00 0 No event Device ERR 0 0x01 1 A serious error such as a hardware failure or a checksum disturbance error has occurred Clock battery The power reserve of the clock has been exhausted The CIV 1 0x02 2 discharged time is declared as invalid Measurement Indicates that the current entry may not be used for billing value DNV 2 0x04 4 e g due to time shift or if no values have been recorded disturbed during the capture period ad DST 3 0x08 8 Indicates that daylight savings is enabled changed bees l 4 0x10 16 Reserved The reserved bit is always set to 0 cumulation Device clock CAD 5 0x20 32 The bit is set Aen clock has been adjusted more than the changed synchronization limit
198. structure presents last measured reception gain in dB from O to 42 in steps of 6dB Mx381 User manual eng V1 00 doc 126 ISKRAEMECO F ME381 and MDI PLC m dut strength _Logical name 0 0 128 0 12 255 Class ID Data 1 Version 0 m inii Value obocfne Access mode Read only DLC status Six m V E sje m MR mr mI O woja isen O RN is SCC mee Figure 89 Signal strength COSEM object En co E Minin L 1 D ef c 7 Mmmumsgel d ne pa Sa inimum noise 1 T L Maximum signal 0 dBuV a Den Figure 90 Signal strength COSEM object Mx381 User manual eng V1 00 doc 127 ISKRAEMECO Tt ME381 and MT381 5 6 Fraud detection 9 6 1 Meter cover open and terminal cover open These detectors switches trigger an event that lets the user know if and when terminal block cover or meter cover were opened Figure 91 Terminal cover opening switch 5 6 2 Magnetic field detection This detector reed relay triggers a magnetic field detected event fraud detection log event 42 and no more magnetic field detection event fraud detection log event 43 that is recorded in fraud detection log book if and when there was an external magnetic field 30 35mT near the meter This is used for security reasons as some public might try to influence the meters accuracy See list of fraud events in Table 50 5 7 Meter programming Programming of the meter as well as appl
199. suring period Synchronize 1 If internal tariffication scheme via activity calendar is used O0 asynchronous value should be used in object 0 0 128 10 1 255 Mx381 User manual eng V1 00 doc 85 ISKRAEMECO Tt ME381 and MT381 If tariff switching must be synchronous with the measuring period activity calendar must be set up in such a wey that this is achieved Explicitly setting value 1 synchronize to object 0 0 128 10 1 255 and using internal tariffication scheme via activity calendar will produce discrepancies between active mask attribute of register activation object and Currently active tariff object 1 on one side and cursor of active tariff on display and registration of energy in corresponding energy register on the other side Therefore explicitly setting value 1 is feasible only if external tariffication scheme is used For effective use of functionalities meter must be properly configured 9 4 6 Currently active tariff Currently active tariff is active mask of register activation object It shows the tariff that is currently active This object is used to get information about which tariff is currently active Information in the register is represented with a number or name that represents certain tariff Table below shows this Register Value Name x Tariff Display Flag 00 00 No Tariff None 00 01 name 1 1 Flag 1 lit 00 02 name 2 2 Flag 2 lit 00 03 name 3 Flag 3 lit 00 04
200. t be properly configured 6 10 1 Limiter Limiter functions are used to monitor electrical network for exceeding maximum energy power in predefined period of time Limiter object handles normal current and instantaneous power monitoring as well as the emergency settings Meter supports two limiter objects The customer can after correcting the exceeding level reconnect network manually by pressing the Scroll key on the meter or with remote connection depending on the disconnector mode used For effective use of functionalities meter must be properly configured The threshold value can be normal or emergency threshold The emergency threshold is activated via the emergency profile defined by emergency profile id activation start time and duration The Mx381 User manual eng V1 00 doc 156 ISKRAEMECO t ME381 and MT381 emergency profile id element is matched to an emergency profile group ID this mechanism enables the activation of the emergency threshold only for a specific emergency group The limitation or disconnection functionality can be activated in the meter itself or by remote action The meter disconnects the network via disconnector if a maximum current or power limit has exceeded during a predefined period of time The current or power levels with the allowed exceeding periods are set in the meter Consumption Customer activation blue button or remote a Normal limit 7 D Emergency limit d
201. t in Application Association Request The purpose of Low Level Security LLS is to allow the authentication of clients by verifying the password supplied The server is not authenticated The client has to supply the correct password during the process of Application Associaition establishment If the password is Accepted the Application Association is established and the client can access data within the access rights available in the given Application Association Otherwise the Application Assoication is not established The purpose of High Level Security HLS is to allow mutual authentication of the client and the server participating in an association This is a 4 pass process involving the exchange of challenges during Application Association establishment which is followed by exchanging the results of processing these challenges using cryptographic methods If the authentication takes place the client can proceed to access data within the access rights available in the given Application Association and it accepts data coming from the server Otherwise the Application Association is not established When the number of unauthorized accesses Authentication Failure Count is bigger than predefined limit Authentication Failure Count Limit the meter logs a respective event and rejects every subsequent application request for a Mx381 User manual eng V1 00 doc 177 ISKRAEMECO d ME381 and MT381 predefined amount of time 60 s With thi
202. t part During the normal meter operation the potential links should be closed position 1 Upon request the potential links can be built under the meter cover Position O Position 1 ww en Figure 58 Sliding voltage bridge Mx381 User manual eng V1 00 doc 72 ISKRAEMECO t ME381 and MT381 9 Mx381 meter constituent parts 9 1 Mx381 meter type designation ME381 D1A42R56563 V12V13P1B11L11 M2K04gnZ MEI J f Single phase electronic meter m LLL TweePhesethreesystemelecromic meter B8 1 f With builtin DLC modem Pt tet LLL llo lo lo ll Separator 0 0 0 fete f Terminal block Imax 85A 8 f Terminal block Imax 120A MT381 only f Terminal block Imax 100A ME381 only C e LL LL 1 p p Demi btock up to 6A W384 al 4 f Active energy measurement accuracyclass fas Active energy measurement accuracy dees ty f Energy measurement in one direction 2 Energy measurement in two directions LL 4 f Absolute energy measurement R f Reactive energy measurement accuracy cl 2
203. taneous values values per quadrant e Apparent energy demand instantaneous values e Last average demand active reactive apparent e Maximum demand register active reactive apparent e Average import net and total power e Average voltage daily peak minimum e Average voltage e Voltage levels per phase e Magnitude of last voltage sag and swell per phase e Instantaneous voltage e Instantaneous current e Sliding average current per phase e Daily peak minimum voltage per phase e Instantaneous network frequency e Instantaneous power factor per phase e Last average power factor 3 6 3 1 Measurement period There are two measurement periods in use Measurement period 1 MP1 is used for demand measurements recommended periods are 300s 900s 1800s and 3600s measurement period 3 MP3 is used for energy and power limits For effective use of functionalities meter must be properly configured 3 6 3 2 Average values e Average voltage e Average daily peak and minimum voltage e Voltage levels e Voltage sags and swells e Sliding average current e Last average power factor e Total energy values e Tariff energy values e Average power e Average demand e Last average demand e Maximum demand Mx381 User manual eng V1 00 doc 35 ISKRAEMECO F 30 3 3 e Instantaneous voltage e Daily peak and minimum voltage e Instantaneous current Instantaneous values e Instantaneous current sum o
204. tching on the power beware of the risk of electric shock at all times E No maintenance is required during the meter s life time The implemented metering technique built in components and manufacturing process ensure high long term stability of meters so that there is no need for their recalibration during their life time E If a battery is built into the meter its capacity is sufficient to backup all meter functions like RTC and tampering functions for its entire life time is In case the service of the meter is needed the requirements from the Installation operation and naintenance manual must be observed and followed gt CAUTION Cleaning of the meter is allowed only with a soft dry cloth Cleaning is allowed only in upper part of the meter in region of the LCD Cleaning is forbidden in the region of terminal cover Cleaning can be performed only by the personnel responsible for meter maintenance gt CAUTION Do not try to erase the markings laser printed on the name plate 1 DANGER Never clean soiled meters under running water or with high pressure devices Penetrating water can cause short circuits A damp cleaning cloth is sufficient to remove normal dirt such as dust If the meter is more heavily soiled it should be dismounted and sent to the responsible service or repair centre Mx381 User manual eng V1 00 doc 15 ISKRAEMECO d ME381 and MT381 A CAUTION While dismounting the meter observe and follow
205. ter Layer up T Iter N en t 55 Figure 54 Manual scroll mode navigation 4 4 3 7 Load profile on display P 01 P 02 Presentation of Load profile on display is optional and can be enabled by a bit parameter in the Display configuration object 0 0 196 1 3 Load profile presentation is accessible from the Data menu by a long press on Scroll key at the P 01 P 02 item when tip Enter is shown There are two types of Load profile supported e P 01 Load profile with period 1 e P 02 Load profile with period 2 Load profile presentation on display follows VDEW specifications in general Load profile is presented on display in three layers layer DATE upper layer layer TIME middle layer layer ATTR attribute lower layer For effective use of functionalities meter must be properly configured Mx381 User manual eng V1 00 doc 68 ISKRAEMECO Tt ME381 and MT381 Layer DATE Layer TIME Layer ATTR Display forms by layers POX YY MM DD P OX DD hh mm C 10 1 1 8 0 000000 Legend YY gt Year hh gt hours MM gt Month mm gt minutes Figure 55 Load profile on display navigation 4 4 3 8 LCD test mode LCD test mode is used for testing purposes to perform LCD unit test LCD test mode is accessed from the Set menu by a long press on Scroll key at the Lcd test item when tip Enter is shown There are four LCD test conditions all odd even none segments which can be scro
206. terminal cover has been removed 41 Terminal cover closed Indicates that the terminal cover has been closed 42 Strong DC field detected Indicates that a strong magnetic DC field has been detected 43 No strong DC field anymore Indicates that the strong magnetic DC field has disappeared 44 Meter cover removed Indicates that the meter cover has been removed 45 Meter cover closed Indicates that the meter cover has been closed Association authentication Indicates that a user tried to gain LLS access with wrong password intrusion 46 failure n time failed detect or HLS access challenge processing failed n times authentication 49 Decryption or authentication Decryption with currently valid key global or dedicated failed to generate a failure n time failure valid APDU or authentication tag Receive frame counter value less or equal to the last successfully received 50 Replay attack frame counter in the received APDU Event signalizes as well the situation when the DC has lost the frame counter synchronization Mx381 User manual eng V1 00 doc 139 ISKRAEMECO t ME381 and MT38I Indicates that the event log was cleared This is always the first entry in an 255 JE vent log cleared event log It is only stored in the affected event log Table 45 List of events in the Fraud detection event log 6 5 5 Power quality event log Power quality event log contains all events related to power quality see Power
207. ters which can be represented on a display 0 1 2 SC A KS 6 Se 8 9 A B post SBS E E d G H T E ge N ET P Hr Es au ie U p ee Z Letters B D I N O R T will be displayed as b d i n o r t Mx381 User manual eng V1 00 doc 55 ISKRAEMECO Tt ME381 and MT381 a b Ke d e T g h b ae T n o p E e T Uu y ge AN Letters a c e f g j p s y z will be displayed as A C EF G J L P S Y Z 4 4 1 7 Cursors On the front plate below the LCD display meter has laser printed markings that belong to the cursors on the LCD The cursor shows the state of certain function that it represents e g tariff registration disconnector status meter fault Flags cursors in the lower bar readout have the following meaning from left to right Flag Name Not displayed Displayed Blinking 1 T1 5 Active first tariff Active fifth tariff param switch off 2 T2 6 Active second tariff Active sixth tariff param switch off 3 T3 7 Active third tariff Active seventh tariff param switch off 4 T4 8 Active fourth tariff Active eighth tariff param switch off 5 MB No M Bus device installed t least one M Bus device installed Disconnector inactive Disconnector active 6 SD i i connection disconnection 7 8 DLC Meter not logged in the Meter logged
208. tets 6 11 4 4 Device ID 4 Device ID4 includes location information The number is ASCII encoded The length of the ID must not exceed forty eight 48 octets 6 11 4 5 Device ID 5 Device ID5 has no special meaning defined It is general purpose ID for any identification purposes The number is ASCII encoded The length of the ID must not exceed forty eight 48 octets 6 11 4 6 Device ID 6 Device ID 6 is IDIS certification number The number is ASCII encoded The length of the ID must not exceed forty eight 48 octets 6 11 4 7 Device ID 7 Device ID 9 The length of the ID must not exceed forty eight 48 octets 6 11 5 Medium specific ID M Bus device id s are described under M Bus Section M Bus identification numbers Mx381 User manual eng V1 00 doc 165 ISKRAEMECO t ME381 and MT381 6 11 6 Meter software identification This chapter describes metering application FW identification for electric energy meter types Mx381 6 11 6 1 Software architecture The main parts of the basic modular division of software for the Mx381 meters are e platform e core interface e module Platform and core interface constitute a concluded entity called CORE while application module represents MODULE Each of two entities has its own parameters that can be configured at build time adjustable in time of code translation or at configuration time in factory Nevertheless only MODULE has specific parameters that
209. th one calculated during last intentionally change If signatures do not match meter sets RAM Error flag In such way continuous monitoring of RAM is achieved Non Volatile memory error The non volatile memory is used to retain the stored information even when a meter is not powered It is used as long term persistent storage for periodical history data billing data event logs register back up copies parameters and any other data meter needs for normal start Data integrity checking is performed periodically or randomly during data access Checking of data which are results of meter processes and they are changing more often is done during data access The meter configuration parameters are checked periodically with period of one hour If any of the checks fails Non volatile Memory in errors register is set 6 7 4 3 Measurement system error Check accuracy measurement error Checking of undisturbed operation and accuracy of the meter to certain extend performs a meter by itself If any error is detected meter reports it by setting Measurement System Error flag 6 7 4 4 Communication errors M Bs Communication error Connection of meter with hosted M Bus meter is checked during communication with M Bus slave device If there is no respond from a slave device or there is a respond but structure of the data frame on data link layer is incorrect meter will set corresponding error bit 6 7 4 5 Control errors ROM Checksum error Ind
210. times from CC 4 to CC 0 is counted only once in the repetitions counter since it corresponds to one repetition phase The counter is incremented at the beginning of each repetition phase When the repetitions counter reaches the maximum value it automatically returns to 0 on the next increment The default value is 0 Transmissions Counter Holds the MIB variable transmissions counter variable 21 specified in IEC 61334 4 512 sub clause 5 8 Counts the number of transmission phases A transmission phase is characterized by the transmission and the repetition of a frame A repetition phase which follows the reception of a frame is not counted The transmission counter is incremented at the beginning of each transmission phase A client system can write this variable to update the counter When the transmissions counter reaches the maximum value it automatically returns to 0 on the next increment The default value is 0 CRC OK Frames Counter Holds the MIB variable CRC OK frames counter variable 22 specified in IEC 61334 4 512 sub clause 5 8 Counts the number of frames received with a correct Frame Check Sequence Field When the CRC OK frames counter field reaches the maximum value it automatically returns to O on the next increment The default value is O CRC NOK Frames Counter Counts the number of frames received with an incorrect Frame Check Sequence Field When the CRC NOK frames counter field reaches the maximum value it automatic
211. tput senlce nnne 76 oru Ee EN Tf S24 PCUVESD OULOUNS srren EEe 78 Steechen 78 99 Kea Me e e 19 PON MINING EE 80 P LUUD c 80 E DVN avis eaaet ee a EMEN ME 80 0 94 Local me ANG fe 81 oso Hee TIS SIP IIE RR MM 81 oe eae A Kee Lal 81 5 3 7 Battery UsefummeCounmter nnne 81 5 3 8 Battery Estimated Remaining Use Time Counter 82 5 4 Activity calendar and TOU regtsiratnon 82 or M TOOG 00 eee er T TE 82 OX M enee 2 RI Tm 83 IAS OPECI 9 84 oT P Ml eique 85 5 4 5 Tariff synchronization ccccccccceccceeeceseceeeeae ees ceseeeseeeeseeeseeeseeeseesneeas 85 940 EE CUI E eI TTE 86 Jo COMMUNIC CION PNE NEU UU UU TREE 86 D DU CAN IMO Bia EE 86 Oo ME uc EET T Tm 90 32 587 EE Y AY 94 5 5 4 PLC communication interface eeesseeseeeseeneerene 103 Mx381 User manual eng V1 00 doc 4 ISKRAEMECO t ME381 and MT381 O00 Fraud Re Ee E 128 0 6 1 Meter cover open and terminal cover open seeeeeeeeeeee 128 5 6 2 Magnetic field detection ccceccccccceccceceeeeeeeeeeeeeseeesseesaeetseeeseeesaess 128 Or idee cca Umm 128 5 8 Configuration program change ccccccceeccsecceeeeeeeeceeeeeeeeeeeseeeseeeseeeeseeees 128 D Description of main meter functionalities eseeseeeeeeee
212. ts First subset represents application core while second represents application module signature The signature is calculated via hash function implemented with MD5 algorithm Message Digest algorithm 5 over both modules respectively thus integrity of both modules is achieved Active FW core signature Firmware core signature is used to assure integrity of the core firmware It is calculated via hash function implemented with MD5 algorithm The presented digest is sixteen 16 octets in size and HEX encoded Active FW module signature Firmware module signature is used to assure integrity of the module firmware It is calculated via hash function implemented with MD5 algorithm The presented digest is sixteen 16 octets in size and HEX encoded 6 12 Monitoring functions 6 12 1 Power quality Power quality module enables measurements and analyzes of mains power system voltages The basic measurements of a voltage sag and swell are the Us measurements on each phase A voltage sag or swell threshold is a percentage of Ums nominal The basic measurement time interval for mains supply voltage is 200 ms which is a 10 cycle time interval for 50Hz power systems Basic time intervals are aggregated over recording time interval aggregation time interval which is 10 minutes by the default 6 12 1 1 Voltage level At the start of aggregation interval meter starts to sample phase Ums voltages with basic time interval and averages t
213. tus This attribute holds the current repeater status of the device e FALSE no repeater e TRUE repeater Min Delta Credit Holds the MIB variable min delta credit variable 9 specified in IEC 61334 4 512 sub clause 5 3 and IEC 61334 5 1 4 3 7 6 Only the three least significant bits are used The Delta Credit DC is the subtraction of the Initial Credit IC and Current Credit CC fields of a correct received MAC frame The delta credit minimum value of a correct received MAC frame directed to a server system is stored in this attribute The default value is set to the maximal initial credit A client system can reinitialize this variable by setting its value to the maximal initial credit Initiator MAC Address Holds the MIB variable initiator MAC address specified in IEC 61334 5 1 4 3 7 6 Its value is either the MAC address of the active initiator or the NO BODY address depending on the value of the synchronization locked attribute See also IEC 61334 5 1 3 5 3 4 1 6 3 and 4 1 7 2 If the value NO BODY is written then the server MAC address see the MAC address attribute has to be set to NEW Synchronization Locked Holds the MIB variable synchronization locked variable 10 specified in IEC 61334 4 512 sub clause 5 3 Controls the synchronization locked unlocked state See in IEC 61334 5 1 for more details If the Mx381_User_manual_eng_V1 00 doc 118 ISKRAEMECO Tt ME381 and MT381 value of this attribute is equal to
214. ual eng V1 00 doc 137 ISKRAEMECO Tt ME381 and MT381 Passive TOU 19 The passive structures of TOU or a new activation date time were programmed programmed One or more 47 parameters changed Global key s 48 changed One or more global keys changed FW verification ere ES 51 failed Indicates the transferred firmware verification failed i e cannot be activated 88 Phase sequence Indicates wrong mains connection Usually indicates fraud or wrong installation For poly phase reversal connection only Indicates that the neutral connection from the supplier to the meter is interrupted but the neutral 89 Missing neutral connection to the load prevails The phase voltages measured by the meter may differ from their nominal values 230 Fatal error Indicates any fatal error length 231 Billing reset Indicates billing reset P d h 232 i db zoo Indicates power loss power disconnected on phase L1 Power down phase 233 L2 Indicates power loss power disconnected on phase L2 Power down phase 234 L3 Indicates power loss power disconnected on phase L3 Power restored 235 Indicates power restored power connected to phase L1 phase L1 236 K i Indicates power restored power connected to phase L2 phase L2 P tored 237 UM Indicates power restored power connected to phase L3 phase L3 238 Poli Indicates No connection timeout when there is no communication for 30h P Tok
215. umber of characters used for tariff name is 8 If more than 8 characters are used the meter will reject the entry Characters that are not supported for presentation on LCD will be shown as blank segments Value of Currently active energy tariff object 0 0 96 14 0 is seen in hex format Active tariff name has to be set in dedicated objects with setting file ncs I Register activation object 0 0 14 0 1 Active mask Tariffication script table object 0 0 10 0 100 Parameter Active tariff name has to be set in ASCII format to be presented on display Otherwise the value is ignored for presentation on display and is shown as blank digits Default value of the Active tariff name 0001 0002 0008 is not set in ASCII format therefore are not suitable for presentation on display Ap L MB EHE FE i Figure 45 Tariff on display For effective use of functionalities meter must be properly configured 4 4 1 14 Signature on display Active firmware module signature object 1 1 0 2 8 Active firmware core signature object 1 0 0 2 8 Full OBIS code presentation is used for Active firmware module core signature objects Firmware module core signature presentation on display is performed with horizontal scroll if the size of signature string is larger than the size of alphanumeric field for value on display 8 characters Horizontal scroll shift period is one second i58egbRbdbL bE Figure 46 Signature
216. utput can also be triggered via tariff program Tariffication script table needs to be configured accordingly Mx381 User manual eng V1 00 doc 76 ISKRAEMECO Tt ME381 and MT381 0 2 2 1 Service control functionality With Service Control Functionality different types of functions can be selected Available function options are e 0 Switching e 1 Metropulse output see Chapter 3 6 2 e otherwise Reserved 5 2 2 2 Service control delay mode With Service Control Mode different types of switching can be set Available mode options are e 0 Normal 1 Switch on Delayed Switch on Random Delayed Switch On Delayed with Power on Delay Switch On Delayed with Power on Random Delay Switch On Random Delayed with Power on Delay Switch On Random Delayed with Power on Random Delay eau eS N ON er 2 3 e 4 b 6 5 2 2 3 Service control power on delay With this register OptoMOS switch delay at power up can be set and is used when OptoMOS state should be switched on Delay time is set in seconds 5 2 2 4 Service control switch on delay With this register relay switch delay at state switch can be set and is used when OptoMOS state should be switched on Delay time is set in seconds 0 2 2 5 Load management relay control 2 This object controls the connection and disconnection of the relay Switching of either of the outputs can be controlled via build in time
217. viously stored one If signatures are different Program Memory Error flag is set Due to substantial size of program memory program memory checking runs as background task to not affect normal execution of other program code By continuous running any unpredicted changes in program code can be detected and reported Data memory error Complete data memory RAM is checked during initialization process of the meter which is started after power up or firmware upgrade During initialization procedure a meter performs test of RAM through whole address range The test is executed for every memory location and it is nondestructive The original content of memory location under test is loaded to the CPU register and then inverted content is stored to the same memory location and compared with inverted content stored in CPU register Upon successful comparison of the inverted content the original content of memory location Mx381 User manual eng V1 00 doc 149 ISKRAEMECO Tt ME381 and MT381 is restored and compared with its copy sorted in CPU register at the beginning of the test If test fails meter sets RAM Error flag Otherwise during the normal operation meter checks integrity data structures where critical data are stored Each time when such data structure is intentionally changed new signature is calculated and stored Later on when data are accessed again by the program the integrity can be checked by comparing newly calculated signature wi
218. wed gain bound to be used by the server system in the receiving mode The default unit is dB In IEC 61334 5 1 no units are specified The possible values of the gain may depend on the hardware Therefore after writing a value to this attribute the value should be read back to know the actual value Max Transmitting Gain This attribute holds the value of the max transmitting gain Corresponds to the maximum attenuation bound to be used by the server system in the transmitting mode The default unit is dB In IEC 61334 4 512 no units are specified The possible values of the gain may depend on the hardware Therefore after writing a value to this attribute the value should be read back to know the actual value Search Initiator Threshold This attribute is used in the intelligent search initiator process If the value of the signal is above the value of this attribute a fast synchronization process is possible The unit is in dBuV Frequencies Contains frequencies required for S FSK modulation The default unit is Hz e mark frequency e space frequency Pairs 11 63300 and 74000 MAC Address Holds the MIB variable MAC address variable 3 specified in IEC 61334 4 512 sub clause 5 3 and IEC 61334 5 1 sub clause 4 3 7 6 Lii MAC addresses are expressed on 12 bits Mx381 User manual eng V1 00 doc 116 ISKRAEMECO Tt ME381 and MT38I Contains the value of the physical attachment MAC address associated to the loca
219. witching on and off the bi stable relay Mx381 User manual eng V1 00 doc 82 ISKRAEMECO t ME381 and MT381 For effective use of functionalities meter must be properly configured 9 4 2 Activity calendar Activity calendar is time of use TOU object for tariff control It allows modeling and handling of various tariff structures in the meter To handle different tariff structures an instance of the COSEM class Activity calendar is used It is used to store energy and demand according to tariff rate schedule It is a definition of scheduled actions inside the meter which follow the classical way of calendar based schedules by defining seasons weeks and days After a power failure only the last action missed from Activity calendar is executed delayed This is to ensure proper tariff after power up Activity calendar consists of two calendars active and passive and an attribute for activation of passive calendar Changes can be made only to passive calendar and then activated to become active calendar Each calendar has following attributes e Calendar name e Season profile e Week profile table e Day profile table 5 4 2 1 Calendar Name Calendar name typically contains an identifier which describes calendar parameter set With Calendar name the calendar can be identified 5 4 2 2 Season Profile The season table can be divided into 12 periods seasons during which different week tables are applicable
220. with one of the three primitives listed above the synchronization register variable is updated by taking into account the SA and DA fields of the primitive The updating of the synchronization register variable is carried out as follows First the Management Entity checks the SA and DA fields e If one of these fields corresponds to a client MAC address CMA the Entity checks if the client MAC address CMA appears in one of the couples contained in the synchronization register variable If it appears the related synchronizations counter subfield is incremented f it does not appear a new MAC address synchronizations counter couple is added This couple is initialized to the CMA 1 value Mx381 User manual eng V1 00 doc 122 ISKRAEMECO Tt ME381 and MT381 e f none of the SA and DA fields correspond to a client MAC address it is supposed that the system found its synchronization reference on a Discover Report type frame In that case the MAC address which should be registered in the synchronization register variable is the predefined NEW value OFFE The updating of the synchronization register variable is carried out in the same way as it is done for a normal client MAC address CMA When a synchronizations counter field reaches the maximum value it automatically returns to O on the next increment The maximum number of synchronization couples MAC address synchronizations counter contained in this variable should be specif
221. with the meter The personnel must be sufficiently qualified for the work that will be performed The personnel must strictly follow the safety regulations and operating instructions written in the individual chapters in this User manual The owner of the meter respond specially for the protection of the persons for prevention of material damage and for training of personnel N Safety measures should be observed at all times Do not break the seals or open the meter at any time Mx381 User manual eng V1 00 doc 13 ISKRAEMECO Tt ME381 and MT381 1 1 Safety instructions A CAUTION At the beginning of handling with the meter the meter should be carefully taken out of the box where it was packed This should prevent the meter from falling as well as any other external or internal damage to the device and personal injuries Should such an incident occur despite all precautions the meter may not be installed at the metering point as such damage may result in different hazards In such case the meter needs to be sent back to the manufacturer for examination and testing CAUTION The edges of the seal wires are sharp gt gt CAUTION The temperature of the terminal block of the connected and operating meter may rise therefore the temperature of the terminal cover may rise as well DANGER In case of any damage inside the meter fire explosion do not open the meter gt CAUTION The meter may be used only f
222. y is accumulated in respective registers A or A until 1 Wh is reached thus energy measurement is carried out in latter unit Default representation of the energy values on display is in kWh with 6 digits without decimals This representation can be changed via communication interfaces writing appropriate string in COSEM objects as shown console description see console section Nevertheless full value with each Wh counted could be obtained through communication interfaces in form of value unit and scaler The micro computer records different types of energy active reactive apparent for all phases in one or more tariffs rates and stores these values in various registers according to energy direction and active tariff rates Several energy types A A Q Q QI QII QIII QIV S S ABS and NET are registered as total register value and rate ragister values total tariff A 1 8 0 1 8 e A 2 8 0 2 8 e Q 3 8 0 3 8 e Mx381 User manual eng V1 00 doc 28 ISKRAEMECO Tt ME381 and MT381 Q 4 8 0 4 8 e QI 5 8 0 5 8 e QII 6 8 0 6 8 e QIII 7 8 0 7 8 e QIV 8 8 0 8 8 e S 9 8 0 9 8 e S 10 8 0 10 8 e ABS IA I IA 15 8 0 15 8 e NET IA 1 IA I 16 8 0 e is used as tariff index from 1 to 8 Table 1 All total and rate energy registers 9 9 2 Demand Meter calculates an average demand in a time interval as a quotient of registered energy during measurement period and elapsed time Td
223. ynchronization loss time out Management Writing are not registered This variable provides a balance sheet of the different systems on which the server system is potentially able to synchronize A synchronization process is initialized when the Management Application Entity connection manager receives a MA Sync indication Synchronization State SYNCHRO FOUND primitive from the MAC Sub layer Entity This process is registered in the synchronization register variable only if the MA Sync indication Synchronization State SYNCHRO FOUND primitive is followed by one of the three primitives e MA Data indication DA SA M SDU primitive e MA Sync indication Synchronization State SYNCHRO CONF SA DA e MA Sync indication Sync State SYNCHRO LOSS Synchro Loss Cause wrong initiator SA DA The third primitive is only generated if the server system is configured in a synchronization locked state Processes which lead to the generation of MA Sync indication Synchronization State SYNCHRO LOSS primitives indicating synchronization loss due to the physical layer e thetime out not addressed counter setting the MAC address attribute of the S FSK Phy amp MAC setup object to NEW see Appendix B 1 or invoking the reset NEW not synchronized attribute of the S FSK Active initiator object For details on the MA Sync indication service primitive see IEC 61334 5 1 sub clause 4 1 7 1 If the synchronization process ends

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