KW7M Eco-Power Meter User`s Manual
Contents
1. MODE Setting mode Mode 1 so Mode 2 us Mode 3 Panasorie s lt SET gt CT type setting mode When select CT T Primary side current of When select CT setting mode other than 5A lt SET gt 1 SET VT setting mode VT SET Cutoff current setting mode CUTA lt SET gt Unit for pulse output setting mode PL P When select AL P When select AL C When select AL S lt SET gt Power alarm setting mode Current alarm setting mode Stand by alarm setting mode 1 AL P AL C AL S When select Values lt SET gt lt SET gt lt SET gt lt SET gt Stand by alarm setting mode 2 AL S Electricity rate setting mode RATE lt SET gt SET gt Press MODE to return Monitor KW7M Eco POWER METER Mode 2 Mode for setting of each parameter for serial communication Mode 3 Mode for setting of each parameter for optional function Monitor Display when power on MODE Setting mode Mode 1 ue saru Panasoni Mode 3 UL JI ucc unum w ue 8 EE Valla 4 Refer to the Protocol setting mode Auto off setting mode previous page OFF lt SET gt lt SET gt Station number setting mode NO lt SET gt Transmission speed setting mode SPD SET Transmission format sett2. With this unit it responses 99 for Model code1 12 for Model code2 lower word higher word note1 Even if it commands to write to non existent data address slave response with acknowledgement However it doesn t write note2 Even if it commands to write the value out of the setting range slave response with acknowledgement However it doesn t write note3 The maximum number of reading slaves is 26 57 bite the maximum number of writing slaves is 23 55 bite KW7M Eco POWER METER 7 4 MODBUS RTU Communication 7 4 1 Overview of MODBUS RTU 8 bit binary data in command is transmitted as it is Data format Start bit 1 bit Data bit 8 bits 7bits is not available Parity No parity Even parity Odd parity Selectable otop bit 1 bit Fixed Error detection CRC 16 Cyclic Redundancy Check Data interval 3 5 character transmission time or more Message configuration RTU mode is configured to start after idle time processing of more than 3 5 character transmissions and end after idle time processing of more than 3 5 character transmissions 3 5 idle Slave Function Data Error check 3 5 idle characters address code CRC 16 characters 8 bit 8 bit bits 16 bit Master judges the transmission complete after no command for 4 characters idle time and process the command Transmission speed and judgement time to complete transmission 38400 about 1 00 19200 about 2 00 9600 about 4 00 4800
3. The input voltage to each terminal is as follows Single phase two wire 100 120 200 240VAC 100 120 200 240V Single phase three wire 100 120VAC 100 120V 3W Three phase three wire 1 2 3 100 240VAC 200 240V Caution for Wiring 1 Terminal fastening torque should be 0 5 to 0 6 N m for No 1 to No 4 M3 screw and 0 22 to 0 25 N m for No 5 to No 9 M2 screw 2 Use wire with its cross section of 0 14 1 5mm AWG 26 14 for voltage input terminal No 1 2 3 use wire with its cross section of 0 14 1 0mm AWG 26 16 for pulse output terminal No 5 6 use wire with its cross section of 0 3 1 0mm2 AWG 22 16 for communication terminal No 7 8 9 When connecting 2 or more wires to communication terminal use same wire with its cross section of 0 3 to 0 34mm 3 This has no built in power switch circuit breaker or fuse Therefore it is necessary to install them in the circuit near this unit Recommended fuse Time lag fuse rated voltage 250V AC rated current 2A 4 We recommend the below ferrules terminals for wiring We don t recommend them when 2 or more wires are connected Terminal No Product number for Ferrule PHOENIX CONTACT Al 0 25 8YE 10 34 8 Al 0 5 8WH No 1 to No 4 screw AI 0 75 8GY Al 1 0 8RD Al 1 5 8BK No 5 to No 9 M2 screw When 1 wire is connected Al 0 25 8YE Al0 34 8TQ Al 0 5 8WH KW7M Eco POWER METER 3 2 Wiring Diagrams Please connect a breaker to the voltage in
4. Unsigned 16bit Oto 9999 R W Sign less 32bit 0 to 99999 Sign less 32bit 0 to 99999 Sign less 32bit 0 to 99999999 lt O O KW7M Eco POWER METER 7 3 3 Error Codes Basic procedure errors a code Error name Explanation Bcc error Bcc error occurred in the command data command message was sent that does not fit the transmission format dH No support error A command was sent that is not supported 43H Pocedure eroi Delimiter with multiple frames was sent The response shall be multiple frames Application error Explanation The data code is not D Word No was specified without 0000 etc 61H Data error The starting word No is bigger than the ending word No Writing data has a code that is not hexadecimal Too many registrations have been entered more than 17 TMD command was sent when some registration has been exist command was sent when registration has not been entered Registration error O Self diagnostic error Error code Error name Explanation register 7 3 4 Command Eco POWER METER has 5 kinds of commands Explanation Read data area RD Reads the contents of data area Writes data to a data area Resister or Reset data monitored Resisters the data to be monitored Monitoring start Monitors a registered data Read status RT Reads the specifications of Eco POWER METER and error code if an error
5. seas etu u os eiae osa boat aha d ass dS 7 Gliepier4Sell0d0 sssss sos EO TQUE 8 Al Gi nlelietei ie sma ETE 8 4 25etllhod MOd Eibl f li6Oiis ee samanta sniegs 10 AZ LNODEleseossoetswdgeoa etenam dns ag 10 42 2 Gp V 15 AZ SMODE da pusu d EM M Md uM MM re EM M Mei E 18 Chapter Various di 19 VIEVEKINOd S M sa a PTS S 19 9 2 Display While COMMUNICATION 252 c 19 5 3 Display When DUISC OUND Ul per qd 19 5 3 1 Output depends on integrated electric 19 5 3 2 Instantaneous electric power alarm 19 OUT 2 Gloria A 19 5 34 Stand by POWer Glan sick eho u u um m ee eee 20 Gh pt r Bisplavoi ciV dl sss sasn 21 6 1 Outline for the Working of Monitor Display 21 6 2 Imtegrated le lrie DOW CN er 22 6 3 bte PM 22 a an mU ss 23 T M 23 6 6 Electficily ONA d T 24 6 7 Display when LED turns 24 Chapter 7 MEWTOG OLE Co mmuniCatons ss s ge 25 LA COMMUNICATION Procedures S R uu uu S t is 25 7 2 GOMMUPIC
6. Slave Command Response with data When master sends reading command slave responds with the NNNM Data corresponding set value or current status e Acknowledgement Command When master sends setting command slave responds by sending Acknowledgement the acknowledgement Command Negative acknowledgement Negative When master sends a non existent command or value out of the setting acknowledgement range the slave returns negative acknowledgement No response Command Slave will not respond to master in the following cases Global address FF MEWTOCOL is set Broadcast address 00H Modbus protocol is set Communication error framing error parity error CRC 16 discrepancy Modbus RTU mode No response lt 7 2 Communication timing The minimum access time from the master is 1 sec Minimum time for update the data Eco POWER METER may not response due to noise and so on be sure to check that it receives the response from Eco POWER METER In order to improve the communication quality we recommend to send the transmission again Communication timing of RS 485 lt Eco POWER METER Slave side When Eco POWER METER Slave starts transmission to RS 485 communication line it is arranged so as to provide an idle status transmission period of about 1 to 99ms setting available before sending the response to ensure the synchronization on the receiving side After sending the response master can disconnect t
7. aU Ohi emn 25 2 9 MEWIOGOLbLGComrmiiIunioaliOEi h usaq Con bete se e oie tenia ed 26 7 3 1 Overview of MEWTOCOL COM RS 485 cccccccccccccscssssssssseeeeeeeeececeseeeeeeaassseeeeeeeeeeeeeeesessseaas 26 Hoe Data Redster HST 27 asa 28 dv Fe COMM MAING RET a anda nano 28 74 MODBUS RTU GoOmimuliioali olilyya uy uyu au ie 30 1 41 Overview or MODBUS RTU sis sos unu uu aqsu 30 11 2 Data Reg ler uyu a ist 33 5p cilic ldOfh sudssadwnasds E 34 34 S Input SDecllic abis 35 8 3 Pulse output Transistor output Specifications 35 8 4 Gomrinunicauon SD CIGAUCAS see ii eid a tote tem HEU 36 8 5 Dedicated Current Transformer Specifications nnne 37 eMee me zisinraii emit eo Tr 37 9 7 Power Falur Memory iios mn u Su Zn Su aieo n t uk aaa 37 liapter9
8. can not input by any keys When you press SET continuously for about 3sec the LOCK is displayed and the indicator lights After about 3 sec LOCK is disappeared and the display shift to previous display All keys become locked pressing them will have no effect Press SET continuously for about 3sec again to release Lock mode The LOCK indicator goes off and the lock mode is released unlocked 5 2 Display while communication T R indicator is blinking while Eco POWER METER is under communication 5 3 Display when pulse output OUT indicator is lighting when pulse output 5 9 1 Output depends on integrated electric power Set the unit for pulse output 0 001 0 01 0 1 1 10 100kWh and pulse output transistor output turns on every time when integrated electric power reaches the unit Pulse width about 100ms 5 3 2 Instantaneous electric power alarm When it exceeds the setting instantaneous electric power pulse output transistor output turns on in order to notice When it falls below the output turns off 5 3 3 Current alarm When it exceeds the setting current ratio pulse output transistor output pt icc TA C F Ta aT ucc KW7M Eco POWER METER Indicator indicator OUT indicator turns on in order to notice When it falls below the output turns off KW7M Eco POWER METER 5 3 4 Stand by power alarm When it detects stand by power c
9. character number KW7M Eco POWER METER Reset integrated electric power 0064H 0065H 2 word of address 1 When setting to 0 0000 0000H Command Slave Function Data item Number of Number of 3 5 idle dd d data item to d characters code We ata gt 01H 10H 0064H 0002H 04H BE lt character number Data 1 Data 2 pis 2 3 5 idle 0000H 0000H 99 2 2 2 lt character number Response message from slave in normal status Number of 3 5 idle Slave Function Data item Ga aac Error check 3 5 idle characters address code write CRC 16 characters 01H 10H 0064H 0002H 0017H 2 40 77 p Z character number response message from the slave in exception error status When number of data has been mistaken Function code MSB is set to 1 for the response message in exception error status 90H The exception code 03H Value out of the devise numbers is returned as contents of error lt Mistaken message example Command Number of 3 5 idle Slave Function date ems Number of characters address code write data 01H 10H 0002H 06H BEN T Mistake Data 1 Data 2 s 3 5 idle 0000H 0000H BEBE dS Response message from slave to mistaken command Response message in exception error status METERS Slave Function Exception code Error check 3 5 idle 3 5 idle address code CRC 16 charac
10. e Modbus Protocol is a communication protocol that the Modicon Inc developed for PLC e Other company names and the product names are the trademarks or registered trademarks of each company Introduction Thank you very much indeed for purchasing KW7M Eco POWER METER In this manual we explain the usage of KW7M Eco POWER METER in detail Please use it correctly after understanding the content enough Table of Contents Cautions Derre USING omms Chapter 1 Units Features and 1 LEFOAUOS a Pe DN 1 T 2 Units Name and Part NUMDE S eid v OE ss 1 15241 jet Hcc EET 1 1 2 2 Dedicated Current Transformer CT with Connector 1 1 1 9 Measurement NEMS it das aso das a E LENS 1 Chapter 2 Pars Name nd nn 2 NIMES u uu k ini nc no auj ace daro 2 2 2 a 2 Chapter uuu s Beats nm 3 3 1 Main nit terminal arrargermelil kail C Sa UD Deana 3 3 2 VV IEG Diagrams a ga a 4 3 3 Bor OUIPUVCONN Ci eo uinea cro o aa awa h AS ah eel 6 R5 495 54261215194 a 6 3 5 LOW Voltage
11. for the rated current of current used for threshold value to judge stand by power using ITEM A SHIFT y gt a EE ITEM A gt x METER 4 lt 5 gt Stand by alarm setting mode2 It is only when AL S is selected on unit for pulse output setting mode Set a time used for threshold value to judge stand by power using ITEM A gt lt SHIFT V gt 9999 min 0 Alarm is always output at the time when judging the stand by power 1 to 9999 Alarm is output at the time when passing the setting time with the stand by power lt ITEM A gt The alarm can be reset by pressing SET with the instantaneous electric power display After reset the alarm lt SHIFT V gt start to monitor the stand by power again XL lt SET gt Electricity charge setting mode Set the rate per 1kWh using ITEM A gt lt SHIFT V gt 0 00 99 99 Initial 10 00 s NelTEM A gt uj EN lt SHIFT Y gt KW7M Eco POWER METER 4 2 2 MODE2 Mode for setting of each parameter for serial communication RS 485 Protocol setting mode PRO Mode defines communication protocol of main unit via serial communication RS 485 Select MEWTOCOL MODBUS RTU tation number setting mode Mode defines an individual station no for each unit when two or more units communicate via serial communication RS 485 t can be set the r
12. 2bit 0 to 999999999 R W DT00101 power L1 CT1 phase DT00107 crant Sign less 16bit 0 to 60000 EN L2 CT2 phase DT00109 UE Sign less 16bit 0 to 60000 0100060 CT type ieks 5 types 5 50 100 250 400 R W 1 0 001 10 0 01 100 0 1 1000 1 10000 10 100000 100 0100061 999 Instantaneous electrical energy Unit for Values of DT00064 and 00065 Pulse output 9 are applied 777 Ratio for current alarm 0100062 Value of 0700069 333 Ratio and time for Stand by alarm Value of DT00077 00078 Primary side DT00063 current value A Sign less 16bit 1 to 4000 R W when CT 5A DT00064 Alarm value Instantaneous 0 01kW Sign less 32bit 0 to 99999999 R W DT00065 electric power DT00066 0 01 DT00068 0 10 Ratio for current DT00069 0 1 Ratio for stand by DT00077 en 0 1 Time for stand by DT00078 1min DT00170 Voltage 01V DT00171 between 1 and 2 i DT00172 Voltage 01V DT00173 between 2 and 3 DT00176 Instantaneous DT00177 electric power R Read W Write 2 Data register except specified is O 3 If each setting value is wrote by communication it memories to internal EEP ROM at the same time Therefore change setting frequently makes life short Avoid to usage like this 4 Write a data within the range when you write it 100 to 9999 R W 10 to 500 R W 10 to 1000 R W Sign less 16bit Sign less 16bit Unsigned 16bit Unsigned 16bit 10 to 1000 R W
13. 3E8H 10 to 1000 OO4EH Time for DT00078 stand by alarm Unsigned 16bit 1H to 270FH 1 to 9999 06H 10H OOAAH DT00170 Voltage OH 1869FH between 1 and2 01 Unsigned 32bit 01 99999 03H DT00171 Or O Co CO CO T L T gt 0100172 Voltage OOADH between 2 and 3 DT00176 Instantaneous 0 01kW Unsigned 32bit oH SFSEOFFH 03H OH 1869FH 99999 Unsigned 32bit 00B1H electric power DT00177 note 1 03H Read 06H 10H Write note 2 Data register except specified is 0 note 3 If each setting value is wrote by communication it memories to internal EEP ROM at the same time Therefore change setting frequently makes EEP ROMSs life short Avoid to usage like this note 4 Write a data within the range when you write it 0000 99999999 33 KW7M Eco POWER METER Chapter 8 Specifications 8 1 Main unit Rated operating voltage 100 200V AC Rated frequency 50 60Hz common Rated power consumption 6VA 240V AC at 25 C MOWADE Op Nd 85 132 170 264V AC 85 110 of rated operating voltage voltage range Allowable momentary 10ms power off time 50 C 25 C to 70 C at storage Ambient humidity 300 85 RHI 20 non condensing Insulated circuit Between the isolated circuits Between 1 Breakdown voltage initial 2000V for 1min power terminal 1 R 2 N S 3 T note Cut off current 10
14. B or PLC from our company which can be connected to 99 units up to 99 Eco POWER METER can be connected In case using this system with the other devices up to 31 Eco POWER METER can be connected 4 With MODBUS RTU protocol it works only with 8bit Ending resistance KW7M Eco POWER METER 8 5 Dedicated Current Transformer Specifications Model No AKWA801C AKW4802C AKW4803C AKW4804C Primary side rated current 5A 50A 100A 250A 400A Secondary side rated 1 67mA 33 3mA 125mA 200mA current 16 7mA Winding Turn 3000 3000 2000 2000 2 0 F S Hole Dia mm AC1000V 1 min AC2000V 1 min Breakdown voltage initial Between through hole Between through hole and output lead wire and output lead wire Insulation resistance initial Min 100MO at DC500V Between through hole and output lead wire 10 55Hz 1 cycle minute single amplitude of 0 15mm Vibration 10 dn E XY and Z axes resistance 10 55Hz 1 cycle minute single amplitude of 0 375mm estructive 1 hrs on X Y and Z axes Shock Functional Min 98m s 4 times on X Y and Z axes resistance Min 294m s 5 times on X Y and Z axes Output protection level 7 5V with clamp element 3 0V with clamp element a IR 10 to 50 without frost and non condensing 20 to 60 C without frost and non condensing 35 80 RH 20 C non condensing Note Dedicated current transformers CT AKW4801C 4802C 4803C 4804C are dedica
15. DIMES OMS see T om EN 38 OMe ATA EUH 38 92 Dedic i dik s D 38 Ss IP ra OU HIP IS edo ee m vind aded ameta 40 Cautions before using B installation environment Do not use the Unit in the following environments Where the unit will be exposed to direct sunlight and where the ambient temperature is outside the range of 10 to 50 C Where the ambient humidity is outside the range of 30 to 85 RH at 20 C non condensing and where condensation might occur by sudden temperature changes Where inflammable or corrosive gas might be produced Where the unit will be exposed to excessive airborne dust or metal particles Where the unit will be exposed to water oil or chemicals Where organic solvents such as benzene paint thinner alcohol or strong alkaline solutions such as ammonia or caustic soda might adhere to the product Where direct vibration or shock might be transmitted to the product and where water might wet the product Please use the Unit according to the specifications described in this manual Otherwise it may malfunction or cause fire and an electric shock Connect to the power supply in compliance with the rating Refer to the wiring diagram to ensure proper wiring for the power supply input and output Do not perform wiring or installation with a live line It may also lead to c
16. For Output connection Since the transistor output is insulated from the internal circuit by a photo coupler it can be used both as a NPN output and PNP equal value output NPN output Power supply for Load Power supply for Load 3 4 RS 485 Communication Use the transmission cables shown below for Eco POWER METER RS 485 communication system 1 Use shielded type twist cables 2 Use only one type of the transmission cables Do not mix different types of the cables 3 Use twist pair cables under a bad noise environment 4 Be sure to connect with daisy chain the RS 485 transmission line between each unit Connect one end of the shielded wire to an earth ground 5 Use 2 recommended cables with the same cross section of 0 3 to 0 34mm to connect to the RS 485 and RS 485 terminals KW7M Eco POWER METER 1 When using shielded cable for the RS 485 transmission line ground one end Use a class D dedicated earth for grounding Do not share a ground with other earth lines Fig 1 2 Be sure to connect with daisy chain the RS 485 transmission line between each unit Do not use a splitter Fig 2 3 With a terminal station RS 485 E No 9 and RS 485 No 8 should be shorted Fig 1 Eco POWER METER Eco POWER METER General station Terminal station Fig 1 Sheilded cable Shorted E 5 485 Class D grounding Class D grounding Fig 2 Terminal Terminal station a station Corre
17. Panasonic KW ZIVI Eco POWER METER Users Manual ARCT1F434E 3 2011 5 panasonic electric works net sunx Panasonic Elecrtic Works SUNX KW7M Basic setting to measure by Eco POWER METER When wiring the main unit and the current transformer CT and setting the mode 1 after power on you can measure the power In order to use the other functions the settings of the each parameter are necessary What to do Mount Connection Settings Check measured data with power Measure Power monitoring mode 21184 0 Wire output 5 set alarm Check alarm Output 3 i line E o output output MODE1 D 5 5 2 Check measured Set 19 1euuojsuea 1ueJino eui JOBUUOD Wire Collect data g communication communication data via RS485 line setting communication device Cautions for Your Safety Read the manual carefully before installing running and maintenance for proper operation Before using master the knowledge of the equipment safety information and all of other notes This manual uses two safety flags to indicate different levels of danger A handling error could cause serious physical injury to an operator and in the worst case could even be fatal Always take precautions to ensure the overall safety of your system so that the whole system remains safe in the event of failure of this product or other ext
18. W Current alarm setting mode AL C Only when AL C is selected on unit for pulse output setting mode Mode defines the ratio of current used for alarm output Ratio for the rated current It is set the range of 1 0 to 100 0 O lt KW7M Eco POWER METER Stand by alarm setting mode 1 AL S Only when AL S is selected on unit for pulse output setting mode Mode defines the ratio of current used for threshold value to judge stand by power Ratio for the rated current is set the range of 1 0 to 100 0 Stand by alarm setting mode 2 AL S Only when AL S is selected on unit for pulse output setting mode Mode defines the time used for threshold value to judge stand by power t is set the range of 0 to 9999min When O is set alarm is always output at the time when judging the stand by power When 1 to 9999 is set alarm is output at the time when passing the setting time with the stand by power The alarm be reset by pressing SET with the instantaneous electric power display After reset the alarm start to monitor the stand by power again Mode defines electricity charge ratio used as a standard per 1kWh t can be set the range of 0 0 to 99 99 1kWh Initial 10 00 Mode1 Setting flow chart lt MODE gt MODE 1 display 4 lt SET gt Phase Wire system setting mode Press ITEM A gt lt SHIFT V gt to change Single phase 2 wire Single phase 3 wire Three phase 3 wire Tw Tu u
19. about 8 00 2400 about 16 00 Slave address Slave address is an individual instrument number on the slave side and is set within the range 1 to 99 to 63H Master identifies slaves by the slave address of the requested message Slave informs master which slave is responding to master by placing its own address in the response message Slave address 0 OOH broadcast address can identify all slaves connected However slaves do not respond lt Function code Function code is command code for the slave to undertake the following action types Function code is used to discern whether the response is normal acknowledgement or if any error negative acknowledgement has occurred when slave returns response message to master When acknowledgement is returned slave simply returns original function code When negative acknowledgement is returned MSB of original function code is set as 1 for response For example when the master sends request message setting 00H to function code by mistake slave returns 80H by setting MSB to 1 because the former is an illegal function For negative acknowledgement the exception codes below are set to data of response message and returned to master in order to inform it of what kind of error has occurred 1 01H Illegal Function Non existent function 3 03H Illegal data value Value out of the devise numbers note1 Even if it commands to write 06H 10H to non existent data addr
20. ange of 1 to 99 ransmission speed Baud rate setting mode SP Mode defines serial communication RS 485 transmission speed Define the transmission speed according to the master s PLC etc Select from 38400 19200 9600 4800 2400 bit s ransmission format setting mode FM Mode defines serial communication RS 485 transmission format Data length Parity Define the transmission format according to the master s PLC etc Select from 8bit o 7bit n 7bit E 7bit o 8bit n 8bit E n none means parity is not available E Even means parity is even number o odd means parity is odd number With MODBUS RTU protocol it works only with 8bit Mode defines serial communication RS 485 response time of main unit When command is received it sends response after setting response time passes t can be set the range of 1 to 99 ms initial 5 z KW7M Eco POWER METER MODE2 Setting flow chart Monitor lt MODE gt 1 display 4 lt ITEM A gt MODE 2 display 4 lt SET gt Protocol setting mode Press ITEM A gt lt SHIFT V gt to change MEWTOCOL MODBUS RTU Station number setting mode Set the station number using ITEM A gt lt SHIFT V gt 10 99 Press ITEM A gt lt SHIFT V gt to change 19200 EM 1 s 19200bps 38400bps 2400bps 4800bps 9600bps 4 lt SET gt KW7M Eco POWER METER Transmissio
21. between 2 3 0 00 9999 Electricity charge 0 00 99999999 X Eco POWER METER is designed chiefly to manage saving energy It is neither intended nor can it be legally used for billing KW7M Eco POWER METER Chapter 2 Parts Name and Working 2 1 Parts Names Display indicator Lighting or Blinking according to the display LOCK indicator Lighting while in lock mode 1 T R indicator Blinking while communication 2 AS OUT indicator Lighting when pulse output amp Display each value Display Electric energy Instantaneous a power Current Voltage Electricity charge M Display each setting value MODE Key 8 72 SET Key 9 ITEM A Key v Key 2 2 Select Keys Functions Use to select mode Use to set each value entered select measured display ITE lt d shift each mode To change each setting value select measured display gt lt re gt To shift each mode To change each setting value lt SET gt lt MODE gt Reset the measured value EI keys locked continuous press uu about 3 sec Release lock mode while in lock mode KW7M Eco POWER METER Chapter 3 Wirin 3 1 Main unit terminal arrangement Be sure to wire correctly according to the terminal arrangement and wiring diagrams 123 M supply common Measured voltage input 61 10 91 1 CT1
22. ct wiring m W Incorrect wiring E n 3 5 Low Voltage Directive When using in the application confirming to EN61010 1 IEC61010 1 make sure to satisfy the following conditions 1 Pulse output part secure only basic insulation In order to secure reinforced double insulation demanded by EN 61010 1 IEC61010 1 secure basic insulation or more with load side and reinforced double insulation with communication system side 2 Provide the voltage input part with an EN60947 1 or EN60947 3 compliant circuit breaker The breaker that connects to the voltage input part must arrange at the position easily reached and display shows it is the breaker of the equipment 3 Use a wire with basic insulation or more for a wire cramped or connected CT Environmental conditions category Il Pollution degree Indoor use ambient temperature of 10 to 50 C ambient non condensing humidity of 35 to 85 RH at 20 C Altitude of 2000m or less Mount the product in a place with minimum of dust and an absence of corrosive gases No flammable explosive gasses Few mechanical vibrations or shocks LINo exposure to direct sunlight LINo large capacity electromagnetic switches or cables through which large current is flowing KW7M Eco POWER METER Chapter 4 Settings 4 1 Operation procedure MODE1 Mode for setting each parameter for power measurement Monitor Display when power on
23. d source AD H L Two digit decimal 01 to 99 ASCII codes Command messages contain a station number for Eco POWER METER that receives the message When FF ASCII code table is used however the transmission is a global transmission sent to all stations at once Note When a global transmission is sent no response to the command message is returned Block check code Bcc H L Two digit hexadecimal 00 to FF ASCII codes These are codes horizontal parity that are used to detect errors in the transmitted data If 15 entered instead of Bcc however messages can be transmitted without the Bcc In this case the Bcc is included with the response Error code Err H L Two digit hexadecimal 00 to FF ASCII codes These indicate the content if error occurs Bcc Block Check The Bcc is a code that carries out an error check using horizontal parity to improve the reliability of the data being sent The Bcc uses an exclusive OR from the header 96 to the final character of the text and converts the 8 bit data into a 2 character ASCII code Example 0 1 H T 0 1 CR T T T T T Header Station No 1 Command RT 2 character Command Bcc 0 1 R T 0 1 25H 30H 31H 23H 52H 54H Bcc H 0 30H Bcc L 1 31H Takes exclusive OR 2 Converts to ASCII format 26 KW7M Eco POWER METER 7 3 2 Data Register List Kind of data DT00050 0 to 9999 n Integrated electric o o4 wh sign less 3
24. eign materials on the divided face And make sure it is closed securely once the wire is in place if not the measurement value will be not accurate When CT s cable is extended it is possible to extend up to about 10m with the cable of AWG 22 or more cross section under the environment without noise at all Please use the thick cable as much as possible To connect CT with secondary side current How to connect for measuring by combination with CT secondary side current 5A 1 Select 5A at CT type setting mode CT T 2 Set the primary current of measured CT secondary side current 5A at primary side current of CT setting mode CT 1 ex gt If the measured CT is 400A 5A set to 400 3 Clamp the dedicated CT for 5A AKW4801C which is connected to the main unit first to secondary side of the CT secondary side current CT direction K L should be set for the commercial CT direction Set the CT secondary side current 5A and the AKW4801C approximately 1m apart If the two CTs are set too close each other it may not measure accurately due to magnetic field interference Connection example With ammeter etc Power supply p l NE Ammeter etc Breaker i N K Secondary current L K CT with 2nd current 5A Eco POWER Dedicated CT For 5A L AKW4801C KW7M Eco POWER METER Without ammeter Power supply i Dedicated CT For 5A AKWA801C 3 3
25. ernal factor Do not use this product in areas with inflammable gas It could lead to an explosion Exposing this product to excessive heat or open flames could cause damage to the lithium battery or other electronic parts A handling error could cause serious physical injury to an operator or damage to the equipment prevent abnormal exothermic heat or smoke generation use this product at the values less than the maximum of the characteristics and performance that are assured in these specifications e Do not dismantle or remodel the product It could lead to abnormal exothermic heat or smoke generation Do not touch the terminal while turning on electricity It could lead to an electric shock Use the external devices to function the emergency stop and interlock circuit Connect the wires or connectors securely The loose connection might cause abnormal exothermic heat or smoke generation Do not allow foreign matters such as liquid flammable materials metals to go into the inside of the product It might cause exothermic heat or smoke generation Do not undertake construction Such as connection and disconnection while the power supply is on e Do not use at secondary side circuit of inverter It might cause exothermic heat or damage Copyright and trademark e Panasonic Electric Works Co Ltd owns the copyright of this manual We stiffly refuse the reproduction of without permission from this manual
26. ess slave response with acknowledgement However it doesn t write note2 Even if it commands to write the value out of the setting range slave response with acknowledgement However it doesn t write note3 The maximum number of reading slaves is 26 57 bite the maximum number of writing slaves is 23 55 bite KW7M Eco POWER METER Data Data depends on the function code A request message from the master side is composed of data item number of data and setting data A response message from the slave side is composed of number of bytes data and exception code in negative acknowledgement Error check 16 bit data to detect communication errors Refer to the next lt Acknowledgement response When command is to write 1 point same massage of command is responded When command is to write several points part of command message 6 bite is responded Error check After calculating CRC 16 Cyclic Redundancy Check from slave address to the end of data the calculated 16 bit data is appended to the end of message in sequence from low order to high order How to calculate CRC gt In CRC system the information is divided by the polynomial series The remainder is added to the end of the information and transmitted The generation of polynomial series is as follows Generation of polynomial series X X 1 Initialize the CRC 16 data assumed as X FFFFH 2 Calculate exclusive OR XOR with the 1st da
27. he transmitter from the communication line within transmission period 20ms lt gt Master side Cautions of setting a program At communication keep the following conditions 1 Set the program so that the master can disconnect the transmitter from the communication line within the transmission period of about 3ms after sending the command in preparation for reception of the response from Eco POWER METER Slave 2 To avoid collision of transmissions between the master and Eco POWER METER Slave send a next command after checking that the master received the response KW7M Eco POWER METER 7 3 MEWTOCOL Communication 7 3 1 Overview of MEWTOCOL COM RS 485 Command and response functions The computer sends commands instructions to Eco POWER METER and receives responses in return This enables the computer and Eco POWER METER to converse with each other so that various kinds of information can be obtained and provided 0 Commands Responses Command and response formats Command message Des Check Termi To next command n Text tination code nator Check Termi Eco POWER METER Normal response message Host computer Header lt gt Control codes ASCII code Explanation Header 25H Indicates the beginning of a message p we Indicates that the data comprises a command message P OHNE ina response message Pests 0 response when an error occurs O Destination an
28. hile pressing lt SET gt key makes integrated electric power clear Reset ON a P Q lt SET gt OFF lt MODE gt EN OFF 6 3 Instantaneous electric power displays the Instantaneous electric power kW d Lighting KW7M Eco POWER METER 6 4 Current t displays the current value of the load Press lt SHIFT V gt to change L1 CT1 phase current to L2 CT2 phase current Before start measuring select phase and wire system according to the measured load When Single phase 3 wire or Three phase 3 wire is selected it doesn t measure Single phase 2 wire system correctly Select phase and wire system according to the measured system Refer to the explanation of setting mode gt L2 CT2 phase current A A p Liahii Lighting When input current exceeds 150 F S at each range HH ee will be displayed in the lower line Current measurement parts Eco POWER METER measures the current as below L1 CT1 A L2 CT2 A L1 phase current Single phase two wire 1 1 Three phase three wire 1 R phase current 3 T phase current Single phase three wire R phase current 3 T phase current 6 5 Voltage t displays the voltage value of the load Press lt SHIFT V gt key to change voltage between 1 and 2 to 2 and X Before start measuring select phase and wire system according to the measured load When Single phase 3 w
29. ing mode FMT lt SET gt Response time setting mode RESP lt SET gt Press MODE to return Monitor KW7M Eco POWER METER 4 2 Setting Mode Explanation he value with under line is initial setting among each setting value x Set before measurement 4 2 1 MODE1 Mode for setting each parameter for power measurement Phase Wire system setting mode SYST Mode defines phase and wire system to measure Select from Single phase 2 wire Single phase 3 wire Three phase 3 wire When the system is not matched with the measure system it doesn t measure correctly T type setting mode CT T Mode defines input current type of the dedicated CT Select from the type of 5A 50A 100A 250A 400A When the secondary current of CT is 5A select 5A Only when 5 is selected on CT type setting mode Mode defines primary side current when measuring by combination with existing CT its secondary current of 5A It is possible to use as the second step for combination with existing CT by selecting 5A in the CT type setting mode In this case it is necessary to set the primary side current Primary current of existing CT can be set the range of 1 to 4000 Initial 5 When connecting 5ACT directly and measure with 5A range set to 5 ex If the primary side current of existing CT is 400A secondary current is 5A set to 400 T ratio setting mode VT Mode defines voltage input method to the mai
30. ircuit burnout or fire by way of the secondary CT side opening Do not add voltage and current to an output terminal from outside not use at secondary side circuit of inverter B installation Installation and wiring must be performed by expert personnel for electrical work or electric piping The power supply terminal and voltage input terminal of the main unit is common Therefore if additional noise effects the power supply line incorrect measurements may result METER is designed to be used in a control panel As to measurement If there is some distortion by harmonic or waveform it may not measure correctly Please check with the actual system before adopting it B Static electricity Discharge static electricity touching the grounded metal etc when you touch the unit Excessive static electricity might be generated especially in a dry place B Cleaning Wipe dirt of the main unit with soft cloth etc When thinner is used the unit might deform or be discolored B Power supply Connect a breaker to the voltage input part for safety reasons and to protect the device The breaker that connects to the voltage input part must arrange at the position easily reached and display shows it is the breaker of the equipment Do not turn on the power supply or input until all wiring is completed Before power on Please note the following points when turning on power at the first time Confirm there are neither
31. ire or Three phase 3 wire is selected it doesn t measure Single phase 2 wire system correctly Select phase and wire system according to the measured system Refer to the explanation of setting mode Voltage between 1 and 2 3 Voltage between 2 and 3 OV n A s c V E3 Lightin Lighting m _ E r When input voltage exceeds 150 F S at each range will be displayed in the 020 70 70 E lower line 23 S KW7M Eco POWER METER Voltage measurement parts Eco POWER METER measures the voltage as below Voltage between 1 and 2 R phase R phase T phase Between R and S Between S and T line 6 6 Electricity Charge t displays the standard electricity charge for the integrated electric power Single phase two wire x Electricity Charge CHARGE Blinking When the value exceeds 99999999 will be displayed 6 7 Display when LED turns off Last decimal point is blinking when LED turns off automatically Refer to the Setting Mode Explanation for setting in detail Decimal point Rightmost KW7M Eco POWER METER Chapter 7 MEWTOCOL Communications 7 1 Communication Procedures Communication starts with command transmission from the host computer hereafter Master and ends with the response of Eco POWER METER hereafter Slave Master
32. mA CT input terminal CT1 CT2 CT1 2 TOU Between the 2 RS 485 terminal E resistance initial Pulse output terminal measured with 500V DC Outer edge case all terminals Vibration resistance 10 to 55Hz 1cycle min single amplitude 0 375mm 1h on 3 axes Shock resistance Min 294m s 5 times on 3 axes Display method 8 digit 7 segment LED memory method KW7M Eco POWER METER 8 2 Input Specifications Single phase two wire system Phase and wire system Single phase three wire system common Three phase three wire system Single phase two wire 100 120 200 240V AC common Rating Single phase three wire 100 120V AC Three phase three wire 100 240V AC 85 to 11096 of rated input voltage Single phase two wire 85 132 170 264V common Single phase three wire 85 132V AC Three phase three wire 85 264V AC Input Allowable m remen voltage owable measurement voltage 1 00 99 99 Set with setting mode VT ratio Voltage transformer VT is needed to measure over 240VAC Secondary current rating of VT is under 220V Using the dedicated CT gt 5A 50A 100A 250A 400A Select with setting mode Using a CT with the secondary side current 5A Primary side rating 1 to 4000A Set with setting mode Use CT with secondary side current of 54 when measure 400A or more Accuracy coverage T1O 100 of rated current of CT 1 0 50 0 F S Instantaneous electric po
33. n format setting mode Press ITEM A SHIFT y gt to change 8bit o 7bit n 7bit E 7it o e 8bit n 8bit E n not available E even number odd number a i ar set P e 9 HT 2 s TTE Set the response time using ITEM A SHIFT y gt 1 99 ms initial 5 KW7M Eco POWER METER 4 2 3 MODES3 Mode for setting of each parameter for optional function Auto off setting mode OFF Display LED turns off automatically when there is no key operation for a long time Off time can be set the range of 0 to 99min 0 is set if you want to turn always light on 1 to 99 is set if you want to turn light off at setting time After turns off the backlight any key operation makes it turns on After turns off the backlight one decimal point at the right end is blinking MODES Setting flow chart 4 MODE MODE 1 display 4 lt ITEM A gt MODE 2 display 4 lt ITEM A gt MODES display 4 lt SET gt Auto off setting mode Set auto off time by minute using ITEM A gt lt SHIFT V gt 0 to 99 0 is set to turn always light on 1 99 is set to turn light off at setting time minute While light off press any key to light on Chapter 5 Various Functions 5 1 LOCK mode It is the mode makes all keys unable Use when you want to fix one of the measurement displays For all displays In this mode you
34. n unit input voltage directly or uses a voltage transformer VT over 240V AC t can be set the range of 1 00 to 99 99 1 00 should be set when voltage input directly without connecting VT 1 010 99 99 should be set when VT is used to input voltage ex If the VT is 440V 110V set to 4 00 Cutoff current setting mode CUTA Mode defines load current that does not measure Cutoff current Use to avoid miss measurement by wiring or induction noise at no load 0 00kW is displayed for instantaneous electric power 0 0A is displayed for current Integrated electric power is not added can be set the range of 1 0 to 50 0 ex When set to 10 0 current under 10 0 F S is not added Unit for pulse output setting mode Power PL P Mode defines unit used for pulse output Select from 0 001 0 01 0 1 1 10 100kWh AL P AL C AL S When one of the 0 001 0 01 0 1 1 10 100 kWh is set one pulse is output at reaching the setting value When AL P is set alarm is output at the time when instantaneous electric power is over the setting value When AL C is set alarm is output at the time when current is over the setting value When AL S is set alarm is output at the time when current is under the setting value and it passes the setting time Only when AL P is selected on unit for pulse output setting mode Mode defines instantaneous electric power used for alarm output is set the range of 0 00 to 999999 99k
35. occurs RD Read data area Reads the contents of data area lt Command Starting word No Ending word No 5 characters 5 characters First register contents Last register contents 4 characters 4 characters lower word higher word lower word higher word Common to each command WD Write data area Writes date to a data area lt Command Starting word No Ending word No First writing data 5 characters 5 characters 4 characters lower word higher word Last writing data 4 characters lower word higher word 28 KW7M Eco POWER METER MD Register or Reset data monitored Registers the data to be monitored Up to 16 points can be registered for one unit o Command Register lt lt Data specification m Data specification eux Word No Bcc 5 characters 5 characters CR x16 x16 MG Monitoring start Monitors a registered data o Command No of characters Data in data line o 2 characters 4 characters lower word higher word lower word higher word RT Read the status of Eco POWER METER Reads the specifications of Eco POWER METER and error codes if an error occurs o Command Operation mode Error flag 01 On operating 01 abnormal 00 Stop 00 normal Model code 1 Model code 2 Version Error flag Self diagnostic error No 2 characters 2 characters 4 characters 2 characters 4 characters x16 x16
36. put part for safety reasons and to protect the device Measure load of 100 200V system Single ohase two wire system One current transformer CT is required to measure a single phase two wire system o S 1 O o O o Aa Oe 2 o O O O D lt Two CTs are to measure Add phase three wire system or three phase three wire system opis A ddns 19MOg peo amp D8 9 Measure load of 400V system VT Voltage transformer is needed to measure over 240VAC Use a commercial VT its secondary rating is 110V Grounding VT s neutral line is recommended for the unit protection when VT breaks down Single phase two wire After wiring turn on the power supply and turn off and power on again KW7M Eco POWER METER lt gt How to attach the Current Transformer CT One CT is needed when measuring 1P2W Two CTs are needed when measuring 1P3W 3P3W Using all CTs for one Eco POWER METER should be the same Check beforehand that the thickness of the electric wire is smaller than the through hole of the CT When connecting CT connect the secondary side to the terminal of the main unit first and after that wire the primary side to a load electric wire Incorrect order might cause an electric shock or break CT The CT has polarity Wire correctly according to the K and L marks Wrong direction can t measure correctly When closing CT check that there is no for
37. r E A J arta v POWER METER 1P2W Single phase 2 wire 1P3W Single phase 3 wire 3P3W Three phase 3 wire CT type setting mode e POWER METER Fi F FE KW7M Eco POWER METER Set primary side current of CT using ITEM A gt lt SHIFT V gt KW If primary current of measured CT is 100A secondary is 5A set to 100 If it is 5A set to 5 10 4000 Initial 5 VT ratio setting mode Set VT ratio using lt ITEM A gt lt SHIFT V gt If the VT is 440 110 set to 4 00 1 00 99 99 Y Eco PFOWER METER 4 lt SET gt Set cutoff current using lt ITEM A gt lt SHIFT V gt If you don t measure the current under 10 0 F S set to 10 0 1 0 50 0 lt SHIFT V gt 4 lt SET gt KW7M Eco POWER METER Unit for pulse output setting mode Press ITEM A gt lt SHIFT V gt to change 0 0012 0 012 0 125 125 102 1002 AL P Power alarm AL C Current alarm AL S Stand by alarm Display changes to set an alarm value after AL P is displayed at the upper line for 1 sec Set electric power for alarm using ITEM A gt lt SHIFT V gt 0 00 999999 99 ad nas mE Ca TH a 4 lt SET gt 1 0 100 0 4 lt SET gt KW7M Eco POWER METER Display changes to set an alarm value after AL S is displayed at the upper line for 1 sec Set a ratio
38. ric Works SUNX Co Ltd Head office 2431 1 Ushiyama cho Kasugai shi Aichi 486 0901 Japan Telephone 81 568 33 7861 Facsimile 81 568 33 8591 panasonic electric works net sunx All Rights Reserved 2011 COPYRIGHT Panasonic Electric Works SUNX Co Ltd ARCT1F434E 3 201105 Specifications are subject to change without notice
39. t SSF 2 4 5T Mig Lid App cabls connector Rect pl cie housing SLAF IST Lid 3 Fn contact 5 5M 21T P14 JET Mig Co Ltd KW7M Eco POWER METER For 400A AKW4804C 26 57 BJ B m B B Plug bovung LP 2V 2ST kig 1141 Socket contact SSF 21T P14 JST Mfg Co Lii iAppacable connoctot Fhecephce housing SLAAF LAST Mig Lad contact S5M 21T Pi 4 JST Cao Lid Attached trunk cable common 1000 50 i Hoarsing 5450 27 Molex Inc AWGRZZ Terminal 5479PBT Molex Ine Apphcable connector 1 Receplace housing SLR OZVF JST Mig Co Lid contact SSM Z1T PH 4 JST Ltd 9 3 DIN rail mounting DIN 48011 Mounting plate i ATAS806 1 Hook A of main unit on the upper side of DIN rail 2 Making A part as a support fit B the lower part of main unit to DIN rail 3 Main unit will be completely fixed to DIN rail with a click sound Revision History Content of revision July 2007 ARCT1F434E First edition October 2007 ARCT1F434E 1 Second edition Add the explanation in detail 2008 F434E 2 Change company name BEEN 2011 m 3 4 edition Add functions Current alarm Stand by alarm JAdd transmission speed 38400 05 response time to 1 to 9915 Please contact Panasonic Elect
40. ta and X This is assumed as X Shift X one bit to the right This is assumed as X When a carry is generated as a result of the shift is calculated by X of and the fixed value A001H This is assumed as X If a carry is not generated go to step Repeat steps 8 and until shifting 8 times is calculated with the next data and X This is assumed as X Repeat steps to Repeat steps to up to the last data Set X as CRC 16 to the end of message in sequence from low order to high order Message example Reading electricity rate 0032H of address 1 Command aL Slave Function Data item Number of Error check Dm address code data CRC 16 e AD SUE 01H 03H 0032H 0001H 25C5H TUE 1 1 2 2 2 character number 3 5 idle Slave Function nen of of Error D 3 5 idle address code response byte data CRC 16 charactere NEM Qu OPEM 01H 03H 02H 03E8H ee ce lt character number 2 Setting electricity rate 0032H of address 1 When rate is set to 20 00 2000 O7DOH Slave Function Data item Number of Error check 2 address code ped data CRC 16 Es 2 EDAM 01H 06H 0032H 07DOH 2BA9H NU REN 1 1 2 2 lt character number EE sess message from slave innormalstatus Slave Function Data item Number of Error check 2 2 address code pod data CRC 16 a 01H 06H 0032H 07DOH 2BA9H MEME 1 1 2 2 lt
41. ted for low voltage under 440V They can not be used for high voltage circuit In case measuring high voltage circuit make a 2 step construction by combination of a commercial CT of secondary side current 5A for high voltage and the dedicated CT for 4801 8 6 Self diagnostic function lf an error occurs the following indication will be given Output status ERRO Turn the power off and then on again ERR EEP ROM life ended Replace the unit Includes the possibility that the EEP ROM s life has expired 8 7 Power Failure Memory Eco POWER METER memories integrated electric power and working status to internal EEP ROM until when power supply is off power failure guarantee And every time to change each setting each setting value is memorized to internal EEP ROM at the same time Therefore change setting frequently makes EEP RONM s life short Avoid to usage like this Especially be careful if you set by communication KW7M Eco POWER METER Chapter 9 Dimensions Unit mm Clearance 1 0 9 1 Main unit DIN rail 4 9 2 Dedicated For 5A 50A AKWA801 C h using SLP D2V Mig Lid Socket contact SSF 21T FH 4 EST Mig Ca Lid KW7M Eco POWER METER For 100A AKW4802C Plug housing SLP 02V JST Mig Co Led Socket contact SSF 21T P14 JST Lid Lax 2 2 44 534 4 Pg SEP D2V EST Mig C Lidi Wio
42. ters 01H 90H 03H 0C01H KW7M Eco POWER METER 7 4 2 Data Register List Data item Range Hexadecimal MODBUS 0032H 4 OHO 270FH 03H 0064H DT00100 Integrated electric 4 3B9AC9FFH 0065 power 0 01KWh Unsigned 32bit 01 999999999 06H 10H 0700101 DT00107 current Unsigned 16bit 0r 60000 oon DT00109 current Unsigned 16bit 01 60000 uA 5 types 003CH Rated A OSH CT type Unsigned 16bit 5H 5 32H 50 64H 100 F oe FAH 250 190H 400 iol 1H 1 lt 0 001 gt 10 lt 0 01 gt 64H 100 lt 0 1 gt 3E8H 1000 lt 1 gt 2710H 10000 lt 10 gt 186A0H 100000 lt 100 gt 3E7H 999 lt Instantaneous electrical energy Values of DT00064 and 00065 are applied gt 309H 777 lt Ratio for current alarm Value of 0045 H gt 14DH 333 lt Ratio and time for Stand by alarm Value of 004DH 004EH Primary side 4 FAOH current value 1A Unsigned 16bit Di 4 Alarm value 0041H Instantaneous 0 01KkW Unsigned 32bit DT00065 electric power 0042H 4 64H 270 0700966 100 9999 0044H AH 1F4H Clo current 101 500 06H 10H 0045H Ratio for 003DH DT00061 03H 06H 10H Unit for Pulse output Unsigned 32bit OO3EH DT00062 OHO 06H 10H 00 99999999 bd Unsigned 16bit AH to
43. urrent of the measured load pulse output transistor output turns on in order to notice Set current C and stand by time T to judge stand by power When the measured load is satisfied the setting conditions pulse output transistor output turns on in order to notice When it exceeds the setting value it turns off and reset it You can reset the alarm by pressing SET with the instantaneous electric power display Working flow chart KW Normal working Output turns ON gm o Stand by mode 0 Time Min KW7M Eco POWER METER Chapter 6 Display of each Value 6 1 Outline for the Working of Monitor Display gt Integrated Instantaneous Electricity E eri Voltage Electricity L1 CT1 phase Voltage curent between 1 and 2 1 mamn m L2 CT2 phase current between 2 and 3 KW7M Eco POWER METER 6 2 Integrated electric power t displays the integrated electric power kWh kWh ES Lighting Integrated electric power is measured and displayed from 0 00kWh to 9999999 9kWh The decimal point is changed automatically kWh kWh kWh kWh M gt 999999 99 gt 1000000 0 gt 9999999 9 B After reaching the full scale 9999999 9kWh the value reverts to 0 00kWh but continues to measure How to reset the integrated electric power Press lt MODE gt key w
44. wer Integrated electric power Input current Basic 2 5 F S 1 digit accuracy Accuracy at 20 C rated input rated frequency power factor 1 without error Accuracy coverage 10 100 of rated current of in CT and VT Temperature 1 596 F S 10 C 1digit characteristics Range of 10 to 50 C based on 20 C for rated input power factor 1 Frequency 1 596 F S 1digit Frequency changez 5 based on rated characteristics frequency for rated input power factor 1 8 3 Pulse output Transistor output Specifications ON state voltage drop 1 5V or less OFF state leakage current 1001 A or less 0 001 0 01 0 1 1 10 100kWh Pulse output unit Power alarm AL P Current alarm AL C Stand by alarm AL S Selectable with setting mode KW7M Eco POWER METER 8 4 Communication Specifications 99 max 3 1200m max 8bit 7bit selectable with setting mode Transmission Not available Odd number Even number Format selectable with setting mode approx 1200 built in Terminal E and terminal is shorted when ending 1 Please check with the actual devices when some commercial devices with RS485 interface are connected The number of connected devices transmission distance and transmission speed may be different according to using transmission line 2 For RS485 converter on the computer side we recommend SI 35 and SI 35USB from LINE EYE Co Ltd 3 When using SI 35 SI 35US
45. wiring rubbish nor especially an electrical conduction when installed Confirm neither the power supply wiring the I O wiring nor the power supply voltage are wrong Tighten the installation screw and the terminal screw surely Use an electric wire applicable to the rated current KW7M Eco POWER METER Chapter 1 Unit s Features and Structure 1 1 Features Eco POWER METER is a watt meter of DIN rail installation type Electric power voltage current etc are measured using AC voltage and AC current input via one of the following systems METER is designed chiefly to manage saving energy It is neither intended nor can it be legally used for billing 1 2 Units Name and Part Numbers 1 2 1 Main unit Phase and Wire system Rated input Current transformer Terminal type Model No Single phase two wire system Dedicated CT type Single phase three wire system 100 200V 50 Screw terminal AKW7111 hree phase three wire system 100A 250A 400A 1 2 2 Dedicated Current Transformer CT with Connector Rated primary current Model No 5A PA kj 100A AKW4802C 250A AKW4803C 400A AKW4804C 1 2 3 Options 1 3 Measurement items Instantaneous electric power 0 00 999999 99 Integrated electric power 0 00 9999999 9 Current current 0 0 6000 L2 JC T2 Tphase current 0 00 6000 Voltage between 1 2 0 00 9999 Voltage Voltage
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