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Bender A-Isometer IRDH575 User Manual

1. tania data 0 2 A DC 220 V L R 0 04s Contact current at DC 24 V gt 2 mA 50 mW General data ie acc to EN 61326 EMC EMISSIONE ecouter E t tese re en A acc to EN 61326 Shock resistance acc to IEC 60068 2 27 ette 15g 11ms Bumping acc to IEC 60068 2 29 ettet 40g 6ms Vibration resistance acc to IEC 60068 2 6 device in operation 1g 10 150 Hz Vibration resistance acc to IEC 60068 2 6 during transport 29 10 150 Hz Ambient temperature during operation we 10 C 55 C Storage temperature range 40 C 70 C Climatic class according to IEC 60721 3 3 ttes 3K5 Operating mode sss continuous operation ounting as indicated on the display COTIDIPGIIDI eese tuoi teet E LU cum plug in terminals Connection rigid flexible tentent 02 4 mm 0 2 2 5 mm Connection flexible with connector sleeve without with plastic sleeve 025 25 mm COTIQULOT Sizes LAW Sessa ee oe nce eel E DUE naan Racin 24 12 Degree of Protection internal components DIN EN 60529 IP30 Degree of Protection terminals DIN EN 60529 ttt IP20 Degree of Protection in case of door mounting DIN EN 60529 s IP40 Degree of Protection in case of mounting into a door with panel sealing DIN EN 60529
2. MA indication of the fault current in case of an insulation fault gt 1A gt 10A AC residual current gt 1 A EDS473 or gt 10 A EDS470 peak fault measurement disturbed short CT input short circuited noCT no CT connected 44 TGH1364en 04 2007 Operation and setting 5 6 2 Diagram EDS SETUP SIT SYSTEM R gt 010 MQ Ft EDS off auto HXKKKKKKKKKKKKKEKEK if i 1 EXIT HISTORY INFO ISO SETUP ISO ADVANCED EDS SETUP EDS 460 490 EDS 470 COM SETUP PASSWORD LANGUAGE SERVICE 1 rN 2 Oo MNawsA Oo 4 A 2 EDS auto v 3 System 3AC 4 MaxPuls 025mA 4 Far on ql off pos470 A 1cycle System BAC gt Y sac lt AC lt l DC A POSITION SETUP 1mA no EDS 15mA 2 5 mA gt 1A gt 10A 10mA 25mA 50mA A A v y TGH1364en 04 2007 P BEN DER Operation and setting 1cycle EDS47 As soon as the insulation resistance has fallen below the A ISOMETER response values ALARM 1 and 2 the EDS system is automatically activated It remains active until every EDSA 12 has measured all channels once and when the test current during the measurements is above 5 mA EDS470 or 0 5 mA EDS473 EDS46 49 As soon as the insulation resistance has fallen below the A ISOMETER response values ALARM 1 and 2 the EDS system is automatically activated It remains active for approximate
3. verter 50 INDEX 56 Adapting frequency converters to Memory behaviour of EDS4 12 the system being monitored in setting 55 On or off switching of the CT mon Assigning an EDS Alarm to one or itoring 55 both common relays Alarm on off 51 EDS test test of all BMS bus nodes 51 Setting delay on response T off 50 Setting response values ResVal 50 Setting the CT type CT W WR 50 Setting the memory behaviour of an EDS 48 Setting the nominal frequency 48 Setting the operating mode of the 12 channel related alarm relays Channel Op mode only EDS490 491 50 Setting the operating mode of the common alarm relays alarm1 and alarm 2 Relay op mode 51 Setting the response delay T on 50 Setting the system coupling DC 1 AC 3 AC 48 Starting the EDS with IRDH575 or continuous EDS mode Trigger 48 To enable or disable the CT moni toring CT monitor 50 EDS470 473 CT Setup 55 EDS monitor indication of all de tected insulation faults 53 Elongation of the measuring time Operating principle of the alarm relays of EDS47 setting 55 Reset 53 Test of all BMS bus nodes 53 Essential functions A ISOMETER 9 Explanations of symbols and warnings 8 External coupling devices 42 External RESET button 27 External TEST button 27 F Factory setting 17 Fault messages language setting 60 Flashing point 66 Function 10 Function input F1 F2 12 INFO button 29 Insulati
4. IP42 Type of enclosure suitable for panel mounting s free from halogen Flammability Cldss sce erected eR CORE Qe ambe bUHtaEE eR ENUE UL94 V 0 SUMVEICAT EIC D185 V1 6 Urn 900g Option W Shock resistance acc to IEC 60068 2 27 device in operation ss 30g 11ms Bumping acc to IEC 60068 2 29 transport 40g 6ms Vibration resistance acc to IEC 60068 2 6 n 1 6 mm 10 25 Hz n 4g 25 150 Hz Ambient temperature during operation anenee 25 C 70 C Ambient temperature during operation gt 55 C no continuous insulation fault location with 50 mA TGH1364en 04 2007 73 WZ BENDER Technical data IRDH575 Storage temperature range ccccssssssessssssssssseesssussssssssesssuussssseseeseeussssssseessesssnsseeee 40 C 85 C 7 2 Standards approvals and certifications The A ISOMETER was designed under consideration of the following standards DIN EN 61557 8 VDE 0413 8 1998 05 IEC 61557 8 1997 02 EN 61557 8 1997 03 IEC 61557 9 1999 09 EN 61557 9 1999 11 EN 61326 DIN EN 60664 1 VDE 0110 1 2003 11 DIN EN 60664 3 VDE 0110 3 2003 09 ASTM F1669M 96 2002 Quality System UL d LISTED Iso9 oi 74 TGH1364en 04 2007 Technical data IRDH575 V BENDER 7 3 Characteristic curves 7 3 1 Chara
5. Op mode Use this menu option to set the operating mode of the common relays for alarm 1 and alarm 2 Factory setting Relay 1 N O Relay 2 N C ALARM Use this menu option to assign an occurring EDS alarm to one or both EDS alarm relays Factory setting for Relay 1 2 on Dev Error Use this menu option to assign an occurring EDS device fault alarm to one or both EDS alarm relays Factory setting Relay 1 off Relay 2 on In case of fault the following fault messages appear on the display of the IRDH575 e no CT measuring current transformer not connected e Short measuring current transformer short circuited e ACresidual 1 A EDS461 EDS491 AC residual gt 10 A EDS460 EDS490 5 7 4 EDS Test After activating this menu option the IRDH575 checks all BMS bus nodes displaying the following details e Device address e Device type e Software version e CT connection at EDS47 means ok channel switched on off channel switched off noCT no measuring current transformer connected short measuring current transformer short circuited e Memory behaviour of the EDS47 Memory on off e Operating principle of the alarm relays of EDS47 N O N C If one of the tested BMS devices does not provide the required properties no answer is shown in the list of properties Factory setting off TGH1364en 04 2007 51 P BEN DER Operation and setting 5 7 5 EDS Reset Use this menu option to reset stored
6. Operation and setting E BEN DER Diagram EDS460 490 with General and Channel 5 EDS SETUP 6 EDS 460 490 7 EDS 470 lt a 8 COMETUP 1 Exit 2 General l 3 Channel 4 Relay N O 5 Test Reset ADR 2 90 Sw V1 02 gt A v 1 Exit 2 Memory off I ie A on lt l E Memory on Voff 3 Trigger Com Y 4 N freq 50 de Com Trigger Auto Ti Aut see 5 System AC Y Auto lt DH next page m Nfrea 60 Hz al 8 P N freq 60 Hz 60 Hz 400 Hz Tee EAE Y X al Systeme Systeme 3AC 3AC To l Resval 0005 mA T 10mA Y W WR ADR 2 90 CH 1 12 4 ql s al CT off 2 ResVal 0004 mA d P20 3 CT W WR l off 00s 4 T on 00 s P s EI gt ql gt T on 12s 5 Toff 06 s _ _ 18s T off 18s 6 CTmonitor on 245 7 Inverter off P Aon 8 Op mode N O vF l CTmonitor off al A on Shon ad verter on L A N d Op mode NIC TGH1364en 04 2007 49 WZ BEN DER Operation and setting ResVal Use this menu option to set the response values of the EDS device to be pa rameterized This applies to e EDS460 EDS490 2 10 mA in 1 mA steps factory setting 5 mA e EDS461 EDS491 200 1000 uA in 1 uA steps factory setting 500 uA CT W WR Select the measuring current transformer type to be used from the li
7. auto 3e3X XX X X 3X amp Xx amp X ox xx amp xxxx TGH1364en 04 2007 65 P BEN DER Serial interfaces Faults may be caused when e addresses are assigned twice e a second master exists on the BMS bus e interference signals occur on the bus lines e a defective device is connected to the bus e terminating resistors are not activated 6 3 2 BMS Slave In a BMS network for each slave an individual address between 2 and 30 slave has to be selected There may be no gaps of more than five subse quent addresses so that all slaves can be scanned by the Master For IRDH575 a BMS address can be selected from the address range 1 30 When assigning the addresses also other devices such as the EDS4 must be considered The correct reception of BMS data is indicated by a flashing point on the dis play on the right of the measuring pulse indication rauit NIJITOJ Rs 011kQ F EDS on auto Flashing point BMS data received If no flashing point appears it may be attributed to the following e no Master available in the network e more than one Master available in the network e RS485 interface terminal A B not connected or reversed tion mode in the EDS SETUP menu are not available Both functions In the Slave mode the functions of the EDS470 menu and the posi are only available in the Master mode 66 TGH1364en 04 2007 Serial interfaces E BEN DER 6 3 3 BMS operation in the Standby mode The
8. Date 01 01 01 8 Test 12 00 4 004 y M Ce max 150pF Ce max 500uF Y 4 resem d 24h AMP no Auerea j A Phe al Clock 21 09 L Y lt Test 00 00 Test 23 00 4 Date 01 01 01 H4 lt l TGH1364en 04 2007 43 P BEN DER Operation and setting 5 6 EDS SETUP menu Settings for fault location This menu allows to carry out the necessary settings for the insulation fault location system EDS 5 6 1 EDS auto on off pos 1cycle A selection of the start and stop conditions for EDS systems and their mean ing are listed below on The EDS is running continuously regardless of the insulation value and the alarm messages from the A ISOMETER This setting is essential for example for mobile insulation fault location systems such as EDS3060 3360 off The EDS system is constantly switched off pos470 EDS47 only For continuous measurement at a desired address EDS4 12 and a certain chan nel The selected parameters are kept until a new operating mode is set This function is only possible in the Master mode bus address 1 The following messages are possible in the POSITION mode Note the messages noCT and short are only generated when the CT monitoring for the respective channel has been switched on factory setting menu CT SETUP noEDS no EDS47 of this address available noAlarm no insulation fault detected
9. 15 20 25 I mA _ 16mA x 120 kQ 1 4mA F 120 kQ Insulation fault in KQ Current output in mA mi i Wot TGH1364en 04 2007 77 WZ BENDER Technical data IRDH575 7 3 2 Characteristic curves of the insulation fault evaluators EDS46 EDS49 Allowable response values for AC systems Re kQ 100 90 A 80 10 2mA 60 5mA 50 10 mA 40 30 20 10 _ 9 gt 24 48 110 230 400 U IV Allowable response values for 3 AC systems Rr kQ 250 200 2mA 150 s 5mA 10 mA 100 0 3E A i 24 48 110 230 400 500 690 Un V 78 TGH1364en 04 2007 Technical data IRDH575 V BENDER Allowable response values for DC systems Rr kQ 60 50 4 40 4 30 4 2mA 5mA 20 4 10 mA 0 24 48 110 230 Un V TGH1364en 04 2007 79 WZ BENDER Technical data IRDH575 7 3 3 Characteristic curves for the insulation fault location system EDS470 Allowable response values 45 40 35 30 25 e AC Re WI 3AC Wear 20 4 DC 15 10 5 o 24 48 110 230 Un V Curve la Allowable response values in relation to the system voltage to be monitored for a maximum system leakage capacitance C as shown by curve 2a In order to start automati
10. 64 TGH1364en 04 2007 Serial interfaces E BEN DER 6 3 BMS protocol BMS This protocol is an essential part of the Bender Measuring Device Interface Data transmission generally makes use of ASCII characters Interface data are e Baud rate 9600 baud e transmission 1 start bit 7 data bits 1 parity bit 1 stop bit 1 7 E 1 e Parity even e Checksum sum of all transmitted bytes 0 without CR and LF The BMS bus protocol works according to the MASTER SLAVE principle That means that one device represents the MASTER while all other bus nodes are SLAVES It is important that only one MASTER is present in each net work All bus nodes are identified by a unique address The MASTER scans all other devices on the bus cyclically listens to their signals and then carries out specific commands Bus address 1 must be assigned to the Master which can be one IRDH575 device 6 3 1 BMS Master A Master can query all warning and operating messages from a slave If the bus address 1 has been selected for the IRDH575 this device automat ically represents the Master that means that all addresses between 1 and 150 are cyclically scanned via the BMS bus for alarm and operating messages If the Master receives no answer from five subsequent addresses the scanning cycle is started again If the Master recognizes incorrect answers from a slave the fault message Fault RS485 is issued by the Master Fault RS485 Rs 011kQ EEEH EDS on
11. BMS function of the Master A ISOMETER is completely available in the standby mode Stand by F1 F2 bridged The function ISO Monitor in the COM menu can be used to request data from other bus nodes for example e actual insulation values of other SLAVE ISOMETERs connected to the BMS bus e fault messages of all SLAVE devices connected to the BMS bus The following table gives an overview about essential alarm messages and the assignment of the messages indicated on the display or operator panels e g PRC1470 Message Channel Meaning Insulation Fault 1 Insulation resistance lt setting Alarm 1 Insulation Fault 2 Insulation resistance lt setting Alarm 2 Connection system 3 Connection error L1 L2 against system Connection PE 4 Connection error KE against PE conductor Device error 5 Internal device error Standby 6 Isolated from the system to be monitored no insulation measurement TGH1364en 04 2007 67 P BEN DER Serial interfaces 6 3 4 Combination with EDS46 devices The following illustration shows an IRDH575 device in combination with EDS46 and the measuring current transformers W for insulation fault lo cation The factory setting of the devices can usually be maintained If several EDS46 are used the addresses within the range 2 to 30 in subsequent order must be used For details about the EDS settings refer to EDS SETUP and EDS460 490 on page 44 respectively p
12. Characteristic curves s 7 3 1 Characteristic curves of the A ISOMETER sssssssssccssssccssecssseseersseeseeess 75 7 3 2 Characteristic curves of the insulation fault evaluators EDS46 JED S49 C 78 7 3 3 Characteristic curves for the insulation fault location system EDDS4ZO 80 74 Ordering detalls ecd eerte rtvttes sient teles bere ete tk siet tcete ids 88 7 4 1 Standard version c ccccscsssesssesssessesssessssssesssesscssesssesssesseessesssesssesseesseessessseesessseessees 88 7 4 2 Protection against dust and moisture sesenta 88 7 4 3 Measuring instruments oo eecseecssescsssscsseccseccsseccsscessescnseecssccsseccssecsseessecensecenseess 88 7 4 4 Label for modified versions e eesseeeenttennnnttnnnnns 89 6 TGH1364en 04 2007 PZ BENDER 1 How to use this documentation effectively This operating manual is intended to address qualified experts in electrical en gineering 1 1 Use for the intended purpose The A ISOMETER is exclusively intended for e monitoring the insulation resistance of IT ungrounded systems and e localization of insulation faults in combination with insulation fault evaluators EDS4 Any other use or any use which goes beyond the foregoing is deemed to be use other than for the intended purpose 1 2 Safety information General safety information In addition to this operating manual the documentation
13. d supply system Resulting from the type of supply system the real test current in AC systems is lower than the setting The reduction factor is 0 5 in AC Systems and 0 67 in 3AC systems Therefore the test current setting 1 mA for EDS473 and 10 mA for EDS470 devices is not admissible in AC systems A list of possible test current settings for IRDH5725 in relation to the type of supply system and insulation fault evaluators is given in the table below Type of supply system DC 10mA 50mA 1mA 2 5 mA 10mA 25mA 1mA 2 mA AC 10mA 50mA 1mA 2 mA 25mA 25mA 2 5 mA 2 5mA 3AC 10mA 50mA 1mA 2 5 mA 25mA 25mA 2 5 mA 2 5mA EDS460 490 EDS461 491 EDS470 EDS473 min max min max min max min max Set the response value of EDS460 490 to 5 mA TGH1394 Chap 6 6 3 2 Set the response value of EDS461 491 to lt 0 5 mA TGH1394 Chap 6 6 3 2 5 6 5 K3 alarm ON The K3 relay can be used either for one or for two functions It is always used for signalling IRDH575 device errors e K3alarm on K3 signals additionally occurring EDS alarms as common alarm Please note that this function is only active in the master mode BMS address 1 factory setting e K3alarm off K3 only signals IRDH575 device Detailed information about the function is given on page 17 and page 15 TGH1364en 04 2007 47 P BEN DER Operation and setting 5 7 EDS460 490 menu This menu can only be opened in th
14. error 10 kO 10 M amp 2 ttt 10 Inputs Outputs est Reset DUEFOI c essene nan EEE internal external Current output for measuring instrument SKMP scale centre point 120 kQ Current output IRDH575 max load an 0 4 20 mA lt 500 Q Accuracy current output 1 kQ 1 MQ e 1096 1kQ Serial interface tenace protocol ote emet a E eae eee ances RS485 BMS Kablelengilie secre c uei UD DU Seo lt 1200m Recommended cable screened screen on one side connected to PE J Y ST Y 2x0 6 Terminating teSiStOr iana na aE RG 120 Q 0 5 W Switching elements Switching components sss 3 changeover contacts K1 Alarm 1 K2 Alarm2 m ttt ttt ttes K3 device fault additionally selectable EDS Alarm Operating principle KT K2 tne N O or N C operation Factory setting Alarm 1 Alarm2 ttt N O operation Operating principle K3 tnter N C operation Electrical CMU ANCE ertt entero e tbi etui 12 000 cycles 72 TGH1364en 04 2007 Technical data IRDH575 V BENDER COMAGL CASS accrescere tte tette defen metere IIB DIN IEC 60255 23 Rater coritact voltage ca scsccseansssoscessnsesssviecovtnecdesceoesntbesetSunsestsheessniessvetncbestiee AC 250 V DC 300 V Making re or air C NE AC DC5A Br akitid Capaciby i accetto toten emet 2 A AC230 V cos phi 0 4
15. no TGH1364en 04 2007 33 P BEN DER Operation and setting key is pressed for approximately 5 minutes in a main or sub menu 5 2 1 Diagram menu structure T SYSTEM R 010MQ FE EDS off auto X3pOO mp edp ee needeec 1 EXIT 2 HISTORY INFO 3 ISO SETUP 4 ISO ADVANCED 5 EDSSETUP 6 7 8 ESC 6 EDS 460 490 EDS 470 COM SETUP 9 PASSWORD 10 LANGUAGE 11 SERVICE lt P gt al ESC tem TOL xe o ad wl PASSWORD SERVICE COM SETUP LANGUAGE 1 EXIT re 2 Password XXX 3 Status off Insert Service Password 000 1 EXIT 1 EXIT e 2 Addr 001 2 Text Deutsch 1 3 50 Monitor 34 TGH1364en 04 2007 Operation and setting T SYSTEM R gt 010 MQ Ft EDS off auto KHKKKK KKK KEK KEKE EEE ry ql 1 ExT 2 HISTORY INFO 3 ISO SETUP 4 ISO ADVANCED 5 EDSSETUP A ESC 6 EDS 460 490 y 7 EDS 470 8 COM SETUP 9 PASSWORD 10 LANGUAGE 1 11 SERVICE Menu E P ec i T t i t HISTORY INFO ISO ADVANCED EDS 460 490 EDS 470 SO SETUP EDS SETUP Nr 01 Nr 02 1 EXIT 1 EXIT 1 EXIT Power on 2 AGH no 2 General 2 EDS Monitor 12 09 02 09 21 3 Ce max 150 uF 3 Channel 3 EDS Test off Clear all off 4 Measure AMP 4 Relay N O 4 EDS Reset off 5 Autotest 24h 5 Test Reset 4 5 Relay N O 6 Clock 19 08 6 Memory on 7 Date 01 01 01 7
16. real time clock keeps running for approximately 30 days When the device will be switched on after this period a flashing C appears on the display and the clock has to be set again 5 5 6 Setting the date Date As well as the time the date is required for the memory too In the event of power supply failure the date function is not influenced for at least 30 days If the device is switched on again after this period a new setting of date and time of the real time clock is required 5 5 7 Specifying the starting time of the automatic self test Test If the 24h self test is activated in the ISO ADVANCED menu it is possible to set the time hour when the self test is to be carried out by means of the TEST 12 00 sub menu Then the self test is automatically carried out once a day at a given time If the 1 hour auto test has been selected the self test will be carried out at every full hour 42 TGH1364en 04 2007 Operation and setting 5 5 8 Diagram ISO ADVANCED lt gt T SYSTEM R 010MO EDS off auto ERKKKKEKERERE EERE lt l i 1 Exit 2 AGH no 3 Ce max 150yF 1 2 3 4 5 6 7 8 9 EXIT HISTORY INFO i ISO SETUP ISO ADVANCED EDS SETUP EDS 460 490 EDS 470 COM SETUP PASSWORD 10 LANGUAGE 11 SERVICE al aem A d 4 Measure AMP 5 Autotest 24h 6 Clock 21 09 7
17. system voltage on Y An internal self test is running Operation and setting or TGH1321 Y Use the EDS SETUP menu to Which ee EDS473 _ set the maximum test current o me i max pulse to 2 5 mA 1 mA EDS470 Y Use the EDS SETUP menu to set the max test current max pulse TGH1243 to 25 mA 10 mA for example TGH1364en 04 2007 21 P BEN DER Commissioning flow chart Commissioning of the insulation fault location function EDS 2 Shall the basic setting be Change th i in th arum no ge the settings in the maintained SETUP ADVANCED menu yes Y Carry out the test in the EDS ADVANCED menu Are all bus nodes available after the completion of the test T A Check the wiring and bus nodes RS485 LED yes Do the EDS47x 12 recognize all Check the CT wiring measuring transformers correctly gt T yes y Function test using a suitable resistance between system and earth Resistance value 50 of the lowest response value downstream a CT no Y Alarm LEDs light up Alarm relays switch Y Does the LED EDS on light up n E light Sine L Ano Check whether the sub menu EDS auto scanned by the EDS47X 12 gt is activated in the EDS SETUP menu T yes Y When the faulty subcircuit is reco
18. 2 24 with relay test the alarm relay is energized during normal operation K2 N O Test N O operation contacts 21 22 24 with relay test the alarm relay is deenergized during normal operation K2 N C N C operation contacts 21 22 24 without relay test the alarm relay is energized during normal operation K2 N O N O operation contacts 21 22 24 without relay test the alarm relay is deenergized during normal operation K2 Flash Flashing function contacts 21 22 24 the alarm relay and the LED flash in the event of an alarm message approximately 0 5 Hz K3 has to be parameterized in the Menu EDS Setup refer to page 47 5 4 4 Memory setting on off Memory on Fault memory is activated The device must be reset with the RESET button after clearing the fault Memory off Fault memory deactivated factory setting set This setting does not have an effect on the memory behaviour of the connected EDS devices these settings must be carried out in the EDS460 490 and EDS470 menu L In the ISO SETUP menu the memory behaviour of the IRDH575 can be 40 TGH1364en 04 2007 Operation and setting E BEN DER 5 4 5 Current output for external measuring instruments Factory setting 0 20 mA The current output of the IRDH575 can be set to 0 20 mA oder 4 20 mA via the menu point M M The maximum load is 500 Q Function 0 20 mA R 20 mA x 120 kQ k Ry insulation fault I current in mA F l TOO RO
19. 2 bridged Memory on fault memory activated R1 R2 bridged Memory off fault memory activated R1 R2 not connected Memory on fault memory activated R1 R2 not connected Memory off fault memory deactivated AMPPlus measuring principle adaptive measuring pulse a measuring principle developed by BENDER 2 5 1 Current output for external measuring instrument The current output of IRDH575 provides 0 4 20 mA The current output is electrically isolated from the device electronics and the RS485 interface The ISO SETUP menu on page 41 allows to switch over between 0 20 mA and 4 20 mA 2 5 2 Real time clock The real time clock serves as a time base for the historical memory and self test function At first the correct time and date must be set in the menu ISO ADVANCED If time and date are not set a C clock is flashing in the standard display In the event of a supply voltage failure time and date will be stored for thirty days If the 24 h self test is activated in the ISO AD VANCED menu a special time of day can be selected for the execution of the self test in the menu TEST 12 00 Then a self test will be started automati cally once a day exactly at the preset time If the 1 h test has been selected the self test is automatically carried out every full hour TGH1364en 04 2007 11 WZ BENDER Function 2 5 3 Insulation fault location Another function of the IRDH575 is selective insulation fault location If th
20. 3 TGH1364en 04 2007 PE BENDER 94 TGH1364en 04 2007 BENDER INC 700 Fox Chase Coatesville PA 19320 Tel 610 383 9200 Fax 610 383 7100 E Mail info bender org Internet http www bender org
21. 4 ONDAOARWN a ql 1 Exit __1 4 2 Password XXX t p Pamoa onc 4 P 3 Status off 000 lt l 999 Status off A m v off on TGH1364en 04 2007 59 PE BENDER Operation and setting 5 11 Menu LANGUAGE 5 11 1 Setting the national language The menu item Language allows fault messages of the A ISOMETER to be set to different languages There is the choice of German and English The device menu is not influenced by the language selection 5 11 2 Diagram Language T SYSTEM L R gt 010MQ F7 EDS off auto HKKHKKKK KKK EKER EKER l d t 9 OoN Ov Ui AWN EXIT HISTORY INFO ISO SETUP ISO ADVANCED EDS SETUP EDS 460 490 EDS 470 COM SETUP PASSWORD 10 LANGUAGE ql 11 SERVICE 4 lt 4 4 1 Exit Y 2Text Deutsch al Tos Deutsch A ad Y Deutsch English 60 TGH1364en 04 2007 Operation and setting E BEN DER 5 12 Menu SERVICE This menu item is provided for the BENDER service personnel and is pro tected by a password against erroneous settings It is intended to provide fast fault clearance by qualified experts in the event of a device error 5 13 Parameterization via Internet The parameters of an IRDH575 indicated below can be checked and set from a remote place of use by using a personal computer In ad
22. 50 Un V Curve 4 Allowable response values in relation to the system voltage to be monitored at a maximum system leakage capacitance C as shown by curve 5 DC set a test current of 1 or 2 5 mA AC set a test current of 2 5 mA The EDS473 system is suitable for nominal voltages of AC 265 V and DC 308 V TGH1364en 04 2007 83 WZ BENDER Technical data IRDH575 Maximum system leakage capacitances for the insulation fault location system EDS473 8 NI AC DC Ce HF A 0 100 200 300 400 Un V Curve 5 Maximum allowable system leakage capacitance in relation to the system voltage to be monitored DC the test current is to be set to 1 or 2 5 AC the test current is to be set to 2 5 mA 84 TGH1364en 04 2007 Technical data IRDH575 V BENDER 120 100 80 60 Rf max 40 20 Curve 6 When the system leakage capacitances are greater than the maximum per missible value for Ce as shown in curve 5 the response sensitivity decreases The indication of the test current on the IRDH575 display in case of high sys tem leakage capacitance also changes When considering the curves a point to be taken into account is that the sum of the pre capacitances upstream of the individual measuring current trans former must amount to at least 50 of the maximum total capacitance Oth erwise it may result i
23. 5B1 427 Supply voltage U see name plate DC 192 72 V POWER CONSUMPTION scott tte tina E E EE 14 VA Response values Response value Rap Alarm 10MQ Response value Ran Alarm2 10MQ Absolute error 1 kQ 10 ko 2kQ Relative percentage error 10 kO 10 MQ ts 0 20 cas CANIT ea E A see characteristic curves Fiysteresis LKO TOKO ssa mam E fent ius 2kQ Hysteresis C10 KO 10 MO arinaa ne 25 TGH1364en 04 2007 71 WZ BENDER Technical data IRDH575 Measuring circuit for insulation measurement easuring voltage Ur tnter 40V easuring voltage Ur IRDH575B1 4227 te 10V easuring current s at Rp OCR ettet teer lt 220 pA nternal DC resistance DC Rj tenente gt 180 ka nternal impedance Z at 50 HZ eren gt 180 kQ Permissible extraneous DC voltageUfy version B1 lt DC810V Permissible extraneous DC voltageUfy version B2 lt DC 1060 V System leakage capacitance C 500 uF pen C 150 uF Measuring circuit for insulation fault location EDS lest current Ip DO uet cin cA I UM LUE ctf 1 2 5 10 25 50 mA Test pulse brea Displays Display illuminated ttt four line display Characters number of characters nnn 4x16 Display range measuring value 1 kQ 10 MQ Absolute smor t KO TRON ianua tree 1kQ Relative percentage
24. 86 V IRDH575B1 4227 AC 20 150 V DC 19 2 72 V B 9106 5505 DC 20 150 V IRDH575B1 4235 AC 20 150 V AC 88 264 V B 9106 5504 DC 20 150 V DC 77 286 V IRDH575B2 435 AC 340 760 V AC 88 264 V B 9106 5503 DC 340 575 V DC 77 286 V Device with ending W provide improved shock and vibration resistance A special varnish of the electronics provides higher resistance against mechan ical stress and moisture This makes the devices suitable for use in ships on rolling stock and in seismic environment 7 4 2 Protection against dust and moisture Type Dimensions Art No Panel sealing degree of protection IP42 144 x 96 mm B 9806 0006 Transparent cover degree of protection IP65 144 x 96 mm B 9806 0007 7 4 3 Measuring instruments Type Measuring range Dimensions Art No 9620 1421 0 20 mA 96 x 96 mm B 986 841 96205 1421 0 20 mA 96 x 96 mm B 986 842 88 TGH1364en 04 2007 Technical data IRDH575 V BENDER 7 4 4 Label for modified versions There will only be a label in this field if the A ISOMETERQ is different from the standard version TGH1364en 04 2007 89 PE BENDER Technical data IRDH575 90 TGH1364en 04 2007 INDEX A Alarm LED 1 29 Alarm LED 2 29 Alarm messages 67 Alarm relays operating principle setting 38 Automatic self test repetition time 42 Automatic self test starting time 42 B BMS bus address ranges 70 BMS M
25. CT Setup 8 Test 12 00 8 n peak 001 ii 9 K3 Alarm on 1 EXIT 4 K1 NO 5 K2 NO 6 Memory off 2 Alarm 040 kQ 3 Alarm2 010 kQ 7 M M 0 20 mA hd 1 EXIT 2 EDS auto 3 System 3AC 4 MaxPuls 025mA TGH1364en 04 2007 35 Operation and setting PE BENDER 5 3 HISTORY INFO menu 99 events with date and time stamp can be stored in the memory database The database is designed as a ring memory i e the eldest entry is overwrit ten Data is written into a non volatile memory and therefore provides pro tection against voltage failure For each record the display indicates the actual record number the total number of records the event message see table below right column the date and time The first two records have a special meaning 1 Last power on time 2 Lowest measured insulation value Re since memory reset Data record Event Display indication 1 Supply voltage switched on Power On 2 Lowest measured insulation value Rmin 3 99 Response value Alarm 1 triggered Alarmi 3 99 Response value Alarm 1 cleared O Alarm1 3 99 Response value Alarm 2 triggered Alarm2 3 99 Response value Alarm 2 cleared O Alarm2 3 99 Error system connection triggered System connection 3 99 Error system connection cleared O System connection 3 99 Error PE connection triggered PE connection 3 99 Error PE connection cleared O PE connection 3 99 Devic
26. DH575 120 4 m 100 80 Re max 60 40 20 E a 01 03 05 07 1 1 15 22 25 4 6 8 10 x Ce max Curve 3 A reduction of the response sensitivity at system leakage capacitances great er than the maximum permissible value of C taken from the curves 2a and 2b The indication of the test current on the IRDH575 display in case of high system leakage capacitance also changes When considering the curves a point to be taken into account is that the sum of the pre capacitances upstream the measuring current transformer must amount to at least 50 of the total capacitance Otherwise it may result in wrong alarm messages A value of 20 000 LFV 400 V 50 UF is taken for the system leakage capac itance Exceeding the limiting value may result in false trippings 82 TGH1364en 04 2007 Technical data IRDH575 V BENDER Limiting values for the insulation fault location system EDS473 In order to start automatic insulation fault location the resistance values set for ALARM 1 and ALARM 2 at a given nominal voltage must not be too high Otherwise the EDS test current will not be sufficient for the detection of the insulation fault Determine the suitable values for your installation by means of the characteristic curves 700 600 500 400 LEGAS e DC Rr kQ 300 200 100 0 0 50 100 150 200 250 300 3
27. GH no factory setting 42 5 5 2 Selecting the system leakage capacitance range sss 42 5 5 3 Changing the measuring principle from AMP to DC M asure AMP TE 42 5 5 4 Setting the repetition time for automatic self tests A utotest 24h sscscicksssstsasesanstactsacvstssaxteutsesosgsaseases scesabendealesssvstcsessasetasedsavsiedootessobtes 5 5 5 Setting the real time clock Clock ees 5 5 6 Setting the date Date oc cesssssecsssssscsssescssseessssseccssecsssnseccsseesssuteessnceessneeessaees 5 5 7 Specifying the starting time of the automatic self test Test 5 5 8 Diagram ISO ADVANCED esssessssscssecsseecsssscnseesutecnseecueccsseecssecssecesseceneeesseesnee 5 6 EDS SETUP menu Settings for fault location e eeseeeeeentteennttsnntttttnnctttnns 44 5 6 1 EDS auto on off pos 1cycle eterne 44 5 6 2 Diagram EDS SETUP eeeseesseeeneeent tentent ttnnttnnttnttttnnttta stt nattenttttnss 45 4 TGH1364en 04 2007 Table of Contents E BENDER 5 6 3 System DC 7 1 AC 3 AC aisinas a aE i 46 5 6 4 maxPuls 1 2 5 10 25 50 mA sette tttnnnnn ttn 46 LX LEM ex ET Me e M 47 57 iEDS460 490 MENU iiit ttti tenet ceti ties ce perit eei atado 48 LEAMEC HUIICIE T E AEEA EA EE 48 57 2 Channel 4i tette een iie a ataa i Eai 48 LEAN Relay M 50 5 7 4 EDS Test M 51 5 7 ED
28. GH1364en 04 2007 Operation and setting Vz BEN DER 5 1 2 Display in the menu mode Parameter change is permitted 1 EXIT 2 HISTORY INFO 3 ISO SETUP H Parameter change is blocked 4 ISO ADVANCED enabling by a password 5 1 3 Function keys Two functions are assigned to each function key In addition to the basic function marked with a circle the keys allow navigation within the menu Pressing the INFO key provides the following information 28 without opening the menu e Device name firmware version e Response values Alarm1 and Alarm2 e Leakage capacitance C value is indicated only if insulation values are 20 kQ e EDS Setup operating mode type of power supply system max test current e Setup status for details refer to the table of status numbers on page 86 e COM Setup IRDH575 bus address Please have the details above on hand if you have a problem and if you contact Bender for technical questions Activating the TEST button starts the self test of the A V A ISOMETERG ss Pressing the RESET key resets insulation and fault messages of the A ISOMETER This function is only active after activating the fault memory in the ISO SETUP menu or after bridging R1 R2 Furthermore the A ISOMETERQ can only be reset when the present insulation value is 25 higher than the preset response value PT The menu system is called up by pressing the MENU key 2 TGH1364en 04 2007 31 P BEN DER Operat
29. K2 ll N O operation K3 N C operation fixed setting ISO SETUP Memory off ISO ADVANCED System leakage capacitance 150 uF EDS SETUP EDS auto EDS SETUP System 3 AC EDS SETUP max pulse 25 mA for EDS460 490 EDS470 COM SETUP Bus address 1 Master Please check if the basic setting of the A ISOMETER complies with the re quirements of the system to be monitored TGH1364en 04 2007 17 PE BENDER Function TGH1364en 04 2007 3 Commissioning flow chart 3 1 Commissioning of the A ISOMETER function range 1 System IT system yes v Un lt AC DC575V no gt no IRDH575 not suitable E use device version B2 yes Device connection E and KE to PE Y System to L1 L2 L3 Y Supply voltage to A1 A2 yes connecting the device Deenergize the installation before Optional device connection External kQ instrument to M M Y External TEST button NO contact toT1 T2 Y External RESET button NC contact R1 R2 Y Output contacts 11 12 14 21 22 24 31 32 34 y connect supply voltage v connect system voltage v TGH1364en 04 2007 19 PE BENDER Commissioning flow chart Commissioning of the A ISOMETER function range 2 v Internal function test is carri
30. O Function 4 20 mA R 16MAX120kKQ 5 o Ry insulation fault I current in mA F FAMA The associated characteristic curves are illustrated on page 76 TGH1364en 04 2007 41 P BEN DER Operation and setting 5 5 SO ADVANCED menwu Setting of the extended functions 5 5 1 External coupling device AGH no factory setting Coupling devices cannot be connected to the IRDH575 5 5 2 Selecting the system leakage capacitance range This menu allows to select the maximum system leakage capacitance C max You can select between two different ranges 150 pF or 500 pF Adaptation within the selected range is carried out automatically Please note that the basic measuring time will be increased to approximately 10 seconds when the setting is C 500 pF Please also consider C max for the EDS System refer to curves at page 81 Factory setting 150 pF 5 5 3 Changing the measuring principle from AMP to DC Measure AMP The DC measuring principle reduced measuring time is only suitable for pure AC systems Factory setting AMP 5 5 4 Setting the repetition time for automatic self tests Autotest 24h The time for the repetition of automatic self tests can either be set to 1 hour or to 24 hours or can be deactivated Factory setting 24 h 5 5 5 Setting the real time clock Clock The setting of the real time clock is the time base for the memory and for the automatic self test In case of failure of the supply voltage the
31. Operating Manual A ISOMETER IROHS7S MEA A ISOMETER IRDH575 Insulation monitoring for ungrounded AC and DC systems with integrated test generator and controller for EDS46 EDS47 and EDS49 systems Software version D185 V1 6 f Powerin electrical safety 4 in electrical safety TGH1364A 4 2007 PZ BENDER BENDER INC 700 Fox Chase Coatesville PA 19320 Tel 610 383 9200 or Toll free 1 800 356 4266 Fax 610 383 7100 E mail info bender org Web server http www bender org P BENDER GROUP Bender Group All rights reserved Reprinting only with permission of the publisher Subject to change Table of Contents 1 How to use this documentation effectively 7 1 4 Use for the intended purpose sesesssssscssssecssssecssseeccsnsecsssnecessueecssuseessneeseenseesse 7 1 2 Safety information 0 ceecssssscssseccsssseccssscessseeessueecssneecssneessneeeesueccsneeessneessneeessae 7 1 3 Warranty and liability 0 sessssssscsssesecssecssssscccsseecssuscessueesssueccssseeesneecssneeessas 8 1 4 Explanations of symbols and warnings ees 8 pM inse 9 2 1 General characteristics sssscssssssccssssccssseccssseccssseesesseessseecessecssssseccsseesesntecssssees 9 2 2 Essential functions of the A ISOMETER ssssssssccssessccsseccsseseecsseeseseteessnees 9 2 3 Essential functions of the Insulation fault locat
32. S ROSCti C o 52 5 8 EDS TUNI 53 c MMESBESUMC 53 EJIDO 53 ERRANT M 53 5 8 4 Details about the menu points Relay Memory and n peak 53 5 8 5 Diagram EDS 470 retentis entidades it eee bres nte 54 BO RELAY PS 55 c Me AA NO EARNE 5 8 8 CT Setup 58I MPE EA Ka a tavi testa amni EONO G 56 5 9 COM SETUP menu Setting the BMS interface sss 57 5 9 1 Bus address Addr ccucssssscssssssssessssssssessessssssssssssssssesssssssssesscsssssessssssssssessssssess 57 5 9 2 ISO Monitor oae 5 9 4 Diagram COM SETUP sissecsisesssesssssssnnssessesssesssnsessesanssasassansecesseesiostnnesesesansssstsonnnises 58 5 10 PASSWORD Menu ssssessccsssessscesssesscceonssesseconsssesconssesseconssseseesnsessecesneeceeenseeenees 59 5 10 1 Activating and setting the password eese 59 5 102 Diagram PASSWORT sisssisssessiessenesssacernsocosssnsitsconaconssnsnsazsseevaaceneseosiaccusssesecenesnbacers 59 5431 Men LANGUAGE cte irte ee tesk tibi esee beta peek 60 5 11 1 Setting the national language essen tetnnttttnnntttnnnas 60 5 11 2 Diagram Language sssesssssscsssssescsssscsseccseccsseecssesssscsssecssecsueeesseeesseesseesneeensees 60 5 12 Men SERVICE tiet terit aa ym eben anea aitai rais 61 5 13 Parameterization via Internet ssss
33. age 53 Un 3 N AC AC measuring current a Vil Us transformer N I i see name plate I I to the load A2 k1 1 k2 IRDH575 EDS460 PE 68 TGH1364en 04 2007 Serial interfaces E BEN DER The following operating manuals are available when using the IRDH575 in combination with EDS systems for other applications TGH 1243 for EDS470 application power supply systems extended systems systems with frequency converters response sensitivity of at least 5 mA TGH 1321 for EDS473 application control systems small systems systems with PLC response sensitivity atleast 0 5 mA TGH 1282 about project planning for EDS470 and EDS473 systems TGH 1394 for EDS460 EDS490 Application power supply systems extended systems systems with frequency converters response sensitivity of at least 2 mA for EDS461 EDS491 Application control systems small systems systems with PLC response sensitivity atleast 0 2 mA 6 3 5 Commissioning of an RS485 network with BMS protocol Connect the terminals A and B of all bus nodes in one line Switch the terminating resistors on at the beginning and end of the RS485 net work or in case of devices without a terminating switch at the end of the bus connect a 120 Q resistor to the terminals A and B Switch the supp
34. aster 65 BMS protocol 65 BMS Slave 66 C Changing the measuring principle 42 Characteristic curves EDS46 EDS49 Allowable response values for 3 AC systems 78 Allowable response values for AC systems 78 Allowable response values for DC systems 79 Characteristic curves EDS470 Allowable response values insula tion fault in relation to nominal voltage 80 Allowable system leakage capaci tance in relation to the system voltage 81 Reduction of the response sensitiv ity in relation to Cemax 82 Characteristic curves EDS473 Allowable response values insula tion fault in relation to nominal voltage 83 Allowable system leakage capaci tance in relation to the system voltage 84 Reduction of the response sensitiv ity in relation to Cemax 85 Characteristic curves IRDH575 Current output 0 20 mA 76 Current output 4 20 mA 77 Max AC voltage between system and earth 75 Response time in relation to system leakage capacitances 75 Checking all BMS bus nodes 53 Combination with EDS46 devices 68 Commissioning flow chart IRDH575 19 Commissioning of a BMS network 69 Current output 0 4 20 mA 77 D Dimension diagram enclosure 87 Display in the menu mode 31 E EDS4 Common message 17 Max test current setting 46 Start and stop conditions setting auto on off pos 1cycle 44 Type of the system setting DC 1AC 3AC 46 TGH1364en 04 2007 91 VL BENDER EDS46 49
35. c insulation fault location the resistance values to be selected for ALARM 1 and ALARM 2 must be sufficiently low at a given nominal voltage Otherwise the EDS test current is not sufficient to localise the insulation fault Determine the suitable values by means of the character istic curves 90 80 70 60 9 AC 8 3AC pc Re 50 230 400 500 690 1000 Curve 1b Allowable response values in relation to the system voltage to be monitored for a maximum system leakage capacitance C as shown in curve 2b 80 TGH1364en 04 2007 Technical data IRDH575 E BEN DER Maximum system leakage capacitances for the insulation fault location system EDS470 100 90 80 70 60 50 WWF 49 AC 8 3AC DC 30 20 10 0 24 48 110 230 Un V Curve 2a Maximum allowable system leakage capacitance in relation to the system voltage to be monitored Up to this limiting value of the system leakage ca pacitance the EDS system has the sensitivity illustrated in curve 1a 45 4 3 5 3 AC Ce 25 8 3AC uF 2 A DC 1 5 1 0 5 0 230 400 500 690 1000 U V Curve 2b Maximum allowable system leakage capacitance in relation to the system voltage to be monitored Up to this limiting value of the system leakage ca pacitance the EDS470 system has the sensitivity shown in curve 1b TGH1364en 04 2007 81 WZ BENDER Technical data IR
36. circular and rectangular type factory setting split split core measuring current transformers off channel switched off e conn CT On or off switching of the CT monitoring Factory setting is on The CT connection monitoring of the EDS4 12 recognizes whether a meas uring current transformer is correctly connected This will be indicated on the display after a test has been carried out as described in chapter 5 8 2 EDS Test In off position this function is deactivated TGH1364en 04 2007 55 P BEN DER Operation and setting 5 8 9 n peak n peak 1 255 Setting of the maximum automatic elongation of the measuring time of the con nected EDS47 if disturbances are likely to occur in the system being monitored By default four measurements are carried out per channel before the EDS47 proceeds to the next channel If disturbances occur during the measurement due to system interferences signalled by the Fault LED at EDS47 the number of measurements per chan nel will automatically be increased by the preset number n that means 4 n measurements per channel are carried out in this case The n times elonga tion of the measuring time per channel will automatically be stopped when the fault is eliminated Factory setting is n 5 SETUP menu is not available in the Slave mode The functions of the EDS470 menu and the position mode in the EDS d Both functions are only available in the Master mode ad
37. cteristic curves of the A ISOMETER A ISOMETER response times in relation to system leakage capacitances of C 1 500 pF U 20 575 V Version B1 50 Hz U 340 760 V Version B2 50 Hz 1000 n lt 10 MQ tan S T Rr 100 20kQ 10 1 4 I m 1 10 100 1000 Ce hF Max AC voltage between system and earth in the frequency range lt 50 Hz Un V 1000 IRDH575B2 760V IRDH575B1 575 V 100 0 1 0 3 1 10 100 fn Hz TGH1364en 04 2007 75 PE BENDER Technical data IRDH575 Current output 0 20 mA Rp kQ 10 000 1000 LIS ELS LIld Lid EL LL 100 LILI Ld kd d pal cls dud 10 LIS Lid LI LP LE ALL IL 0 5 10 15 20 25 I mA Re 20 mA x120 KQ issu Ry Insulation fault in KQ I Current output in mA 76 TGH1364en 04 2007 Technical data IRDH575 V BENDER Current output 4 20 mA Re kQ lnc 1000 LiJ LLJW L LlidJ L LlJ Llid LLid L r4 100 LLL LL PS LSE LE L 10 LL JILL ILL LL LLL LLL 1 0 5 10
38. dition a browser viewing program for Internet application and our protocol converter FTC470XET BMS lt gt Ethernet TCP IP are required Remote setting is for example possible for e Response value Alarm 1 1 10 000 KQ e Response value Alarm 2 1 10 000 kQ e Operating principle alarm relay K1 e g N O operation e Operating principle alarm relay K2 e g N O operation e Measuring principle AMP or DC e Current output ranges for external measuring instruments 0 4 20 mA e Maximum system leakage capacitance 150 uF or 500 uF e Time for repetition of the automatic self test off 1 h 24 h e Starting time of the automatic self test 0 00 23 00 h e Language of the alarm messages to be displayed D GB e Setting the fault memory to ON or OFF e EDS mode on off auto 1 cycle start and stop conditions for the EDS systems e EDS type of system DC AC 3 AC e EDS max test current 1 2 5 10 25 50 mA e EDS Position Mode address BMS address of the EDS47 to be requested e EDS Position Mode channel BMS channel of the EDS47 to be requested TGH1364en 04 2007 61 74 BENDER Operation and setting 62 TGH1364en 04 2007 6 Serial interfaces 6 1 RS485 interface with BMS protocol The RS485 interface is galvanically isolated from the device electronics and current output serves as a physical transmission medium for the BMS proto col If several IRDH575 or other bus capable devices are interconnect
39. dress 1 56 TGH1364en 04 2007 Operation and setting E BEN DER 5 9 COM SETUP menu Setting the BMS interface 5 9 1 Bus address Addr This menu item is used to set the BMS bus address of the IRDH575 Take care that the bus address is not assigned twice The device is factory set to address 1 and hence acts as a Master A ISOMETER s must be assigned one after the other since only one de If several IRDH575 are operated on one BMS bus the addresses of other vice may represent the Master 5 9 2 ISO Monitor This function allows to query the current measured value as well as the mes sages of all bus capable A ISOMETER s existing in the BMS network After selecting the bus address the entire information stored by the selected de vice is indicated on the display The display indication is structured similar to the standard indication but in stead of the indication of the measuring pulse the selected bus address is indicated Without pressing a key the indication changes to the standard in dication of the IRDH575 after about five minutes If there is no information available from the selected A ISOMETER the message NO DATA will be displayed BUS SCANNING Information is being searched R ADR 02 IIIINO DATA No data found R ADR 02 Insulation Fault Current data address 03 R 010KQ ADR 03 TGH1364en 04 2007 57 P BEN DER Operation and setting 5 9 3 SOnet Use this m
40. e value of the insulation resistance falls below the set response values ALARM 1 and ALARM 2 a certain test current is generated by the IRDH575 The max imum value of the test current is determined by the maxPuls parameter see page 46 In combination with an insulation fault evaluator EDS47 12 and the associated measuring current transformers connected to it the insulation fault is selectively detected The detected insulation fault is signalled to the IRDH575 via the RS485 interface BMS protocol and is then indicated by an alarm LED and indicated on the display In the Master mode Addr 1 this alarm message is indicated by the alarm relay K3 as common alarm In sensitive parts of the electrical installation malfunction can occur due to the test current flowing between system and earth Please note that the val ue of the test current is compatible with the electrical installation being monitored 2 5 4 Interconnected systems When using A ISOMETERs in IT systems care shall be taken that only one active A ISOMETER is connected in each interconnected system If IT sys tems are interconnected via coupling switches make sure that ISOMETERs not currently used are disconnected and deactivated via a control system IT systems coupled via diodes or capacitances may also influence the insulation monitoring process Hence also in this case a central control of the different ISOMETERs is required 2 5 5 Function input F1 F2 for connec
41. e ISOnet network must be activated in the COM SETUP ISOnet ON menu refer to page 58 The BMS master BMS address 1 with activated ISOnet function con trols the ISOnet slave devices via the BMS bus Address 1 must not be assigned to another BMS device on the respective BMS bus When the master ISOMETER has finished one measuring cycle the authori zation for insulation monitoring is passed on to the next higher BMS address This authorization is returned by the slave with the highest BMS address to the BMS master after a cycle has been completed During the insulation monitoring process all other A ISOMETER are in the STANDBY mode In this way it is prevented that A ISOMETER s influence each other in interconnected IT systems At f 50Hz and C 1 pF an ISOnet device stays in the measuring mode for 12s and then changes to the STANDBY mode The maximum response time of the ISOnet device that made the last measurement will be extended by the number of devices x 12s in our example 48s When an insulation fault is detected by an A ISOMETERG the insulation fault location process is started The device stays in the measuring mode dur ing this time Only after completion of insulation fault location the ISOnet device stops the monitoring mode and passes the authorization for insulation monitoring on to the next device In the STANDBY mode the ISOnet device displays the last measured insula tion resistance Each ISOnet slave check
42. e error triggered Device error 3 99 Device error cleared O Device error 3 99 System reset watchdog System reset Before storing the events with the actual date and time stamp set the real time clock in the ISO ADVANCED menu refer page 42 The following function keys are provided to query data from the HISTORY INFO menu the UP DOWN keys to change the data record number the EN TER key to change from the data record number to the menu item Clear all on to delete the memory storage and the ESC key to leave the menu A new entry into the memory is signalled with an H on the display in the standard mode The H will be deleted as soon as the HISTORY INFO menu is called up 36 TGH1364en 04 2007 Operation and setting E BEN DER 5 3 1 Diagram HISTORY INFO weiT SYSTEMS R gt 010 MQ FE EDS off auto HRKKKKKKKEKK ERE ERE tie 1 EXIT 2 HISTORY INFO 3 ISO SETUP 4 ISO ADVANCED 5 6 7 8 EDS SETUP EDS 460 490 EDS 470 COM SETUP 9 PASSWORD 10 LANGUAGE 11 SERVICE 4 ESC i Nr 01 Nr 08 Power on 01 01 06 16 12 Clear all off Nr 02 Nr 08 A Rmin 010kQ l Clear all off Clear all on l 01 01 02 17 26 v Clear all off Nr 03 Nr 08 Alarmi 004kQ l Clear all off A 03 01 06 10 33 Clear all off Clear all on gt p TGH1364en 04 2007 37 P BEN DER Operation and settin
43. e fault and EDS Alarm Addr 1 N C operation fixed setting 8 Alarm relay K2 insulation fault 2 changeover contacts provided 9 Alarm relay K1 insulation fault 1 changeover contacts provided 10 Supply voltage Us see nameplate via 6 A 11 Connection to the 3 AC system to be monitored connect terminals L1 L2 L3 to conductor L1 L2 L3 12 Connection to the AC system to be monitored terminal L1 to conductor L1and terminal L2 L3 to conductor L2 13 Connection to the DC system to be monitored terminal L1 to conductor L and terminals L2 L3 to conductor L 14 Separate connection of z and KE to PE TGH1364en 04 2007 27 PE BENDER Connection 28 TGH1364en 04 2007 5 Operation and setting 5 1 Operating features and displays IRDH575 BENDER 4 A ISOMETER IRDH575 Isolation Fehler R 011 kQ week EDS on auto ADR 02 k 03 12 mA ESC A v lt q 9 8 d 1 2 3 4 INFO button to query standard information ESC key back menu function confirmation parameter change 2 TEST button to call up the self test A ISOMETER only Up key parameter change moving up in the menu 3 RESET button to delete insulation fault alarms A ISOMETER only Down key parameter change moving down in the menu 4 MENU button to activate the menu system ENTER key confirmation parameter change 5 EDSLED lights insulation fault location has been started 6 EDS alarm LED lights insu
44. e master mode bus address 1 all the settings via the BMS bus can only be carried out in the master mode even when several IRDH575 are interconnected After starting the menu the IRDH575 queries the essential parameters of EDS46 EDS49 and the cur rent parameters appear on the display 5 7 1 General The following parameters have an effect on that device the BMS address of which is being displayed Set the address in order to select the appropriate device Memory Use this menu option to switch the fault memory of the selected EDS46 EDS49 on or off Factory setting off Trigger Use this parameter to specify whether the fault location of EDS46 EDS49 is to be started by an IRDH575 Com or if automatically and con tinuously all measuring channels are measured in parallel Auto Factory set ting Com N freq Use this menu option to select the nominal frequency of the system to be monitored You may select 50 60 or 400 Hz Factory setting 50 Hz System Use this menu option to select the type of the distribution system to be mon itored You may select e DC e AC e 3AC three phase AC system DC system Il single phase AC system Factory setting AC 5 7 2 Channel The following parameters have an effect on the device the BMS address and measuring channel of which is being displayed Set the respective address and channel in order to select the appropriate device 48 TGH1364en 04 2007
45. e that there are no gaps greater than five in the respective ranges 1 30 31 60 61 90 111 119 and 121 151 70 TGH1364en 04 2007 4 BENDER 7 Technical data IRDH575 7 1 Data in tabular form The values mar ked with are absolute values Insulation coordination acc to IEC 60664 1 Rated voltage m E RRR AC 800 V Rated impulse voltage pollution degree te 8kV 3 Voltage ranges RDH575B1 4235 ominal voltage range U ttn AC 3 N AC 20 150 V ominalfrequenicy f 1t bietet S 50 460 Hz orinal voltage range U ten DC 20 150 V RDH575B1 435 ominal voltage range U ttt AC 3 N AC 20 575 V ominal frequency f for f lt 50 Hz see characteristic curve on page 75 50 460 Hz ominal voltage range U ten DC 20 575 V RDH575B2 435 ominal voltage range Up tts AC 3 N AC 340 760 V ominal frequency f for f lt 50 Hz see characteristic Curve on page 75 50 460 Hz orinal voltage range U ttt DC 340 575 V RDH575B1 435 Supply voltage U see name plate s 88 264 V Frequency range U scitote tdem cadres to dedita 42 460 Hz Supply voltage U see name plate 11s11st1rtsrtsrtrtstsrtsrtstnstntsrentnsenenrenran DC 77 286 V RDH57
46. ed in a network via the BMS bus the BMS bus must be terminated at both ends with a 120 Q resistor Switch S1 ON An RS485 network that is not terminated is likely to get instable and may result in malfunctions Only the first and the last device in one line may be terminated Devices in between must not be terminated with 120 Q switch 1 OFF Hence stub feeders in the network must not be terminated The length of the stub feeders is restricted to 1 meter 1st device device last device Stub feeder 0 6W maximum 1 m 0 6W Maximum length of the RS 485 bus 1200 m TGH1364en 04 2007 63 P BEN DER Serial interfaces 6 2 Topology RS485 network The optimum topology for the RS485 network is a daisy chain connection In this connection device 1 is connected to device 2 device 2 to device 3 device 3 to device n etc The RS485 network represents a continuous path without branches 6 2 1 Correct arrangement Three examples for correct arrangement soo 6 2 2 Wrong arrangement Three examples for wrong arrangement 6 2 3 Wiring A suitable type of cable for the wiring of the RS485 network is screened cable core diameter 0 6 mm e g J Y ST Y 2x0 6 screen on one side connected to earth PE Connection to the terminals A and B The number of bus nodes is restricted to 32 devices When more devices are to be connected Bender recommends to use an RS485 repeater DII
47. ed out by the IRDH v Time setting Refer to the chapter Operation and Setting v Shall the basic setting be maintained no Enter the new values in the ISO SETUP menu yes Y Are all alarm LEDs disabled no yes The insulation resistance has fallen below the set level a new level should be set y Function test with a suitable resistance between system and earth Resistance value 50 of the response value ALARM2 A v Alarm LEDs activated Alarm relays switching L no yes Y Check connections Remove resistance Y no Alarm LEDs extinguished Did the alarm relays respond y The IRDH575 is correctly connected and functions reliably 20 TGH1364en 04 2007 Commissioning flow chart E BEN DER 3 2 Commissioning of the insulation fault location function EDS 1 Disconnect the electrical installation before connecting the device Install the respective devices of the insulation fault location system EDS47x and the associated BENDER Manuals measuring transformers TGH1282 and 1243 respectively 1321 Y Connect the RS485 interface of the EDS system to the IRDH575 Y Assign the adress to the respective RS485 device Y Turn the supply voltage on Y Turn the
48. enu item to activate the ISOnet function of an IRDH575 Refer to page 14 for an ISOnet description 5 9 4 Diagram COM SETUP see T SYSTEM R gt 010 MQ F7 EDS off auto KHER KKK KEK KEKE EXIT HISTORY INFO ISO SETUP ISO ADVANCED A v 1 2 3 4 5 EDS SETUP 6 y 8 EDS 460 490 EDS 470 ERN COM SETUP al 9 PASSWORD 10 LANGUAGE 11 SERVICE 1 Exit 3 A 2 Addr XXX l Addr XXX Cu s lt l V 3 150 Monitor t V ADR 001 lt H ADR 030 6 T SYSTEM R gt 123kQ ADR 01 ql 58 TGH1364en 04 2007 Operation and setting E BEN DER 5 10 PASSWORD menu 5 10 1 Activating and setting the password This menu can be used to activate a Password query This protects the A ISOMETER against unauthorized settings and modifications The desired password menu item 2 Password xxx can be set with the UP DOWN keys and confirmed with the ENTER key The password can be activated in the menu item 3 Status on by clicking the ENTER key The factory setting is 3 Status off that means that the pass word is deactivated 5 10 2 Diagram PASSWORT 8 1T SYSTEM R gt 010 MQ F EDS off auto KRAKKAR KEK K KEKE EK EXIT HISTORY INFO ISO SETUP ISO ADVANCED EDS SETUP EDS 460 490 EDS 470 COM SETUP L T 9 PASSWORD lt i 10 LANGUAGE 11 SERVICE
49. fault messages of the connected EDS devices Factory setting off Diagram EDS46 49 with Relay EDS Test and EDS Reset 6 EDS 460 490 7 EDS 470 8 COM SETUP l i m1 Exit A 2 General 7 gt see previous page v 3 Channel 4 I 4 Relay N O 5 Test Reset i ae al ANIC ADR 2 90 Relay 1 2 Y N O lt lt gt Op mode N C 1 Exit 2 Op mode N O 3 Alarm off ton p Alarm on 4 Sys fault on boir lt l eth on V off l Sys fault off 1 Exit on 2 EDS Test off vof gt EDS Test on el busy 16s 3 EDS Reset off ADR XXX k XX TEST EDS460 V2 10 A CT open Mem off A on a EDS Reset on 52 TGH1364en 04 2007 Operation and setting E BEN DER 5 8 EDS 470 menu This menu can only be opened in the Master mode bus address 1 When several IRDH575 are interconnected via the BMS bus all these settings can only be carried out with a Master device 5 8 1 EDS Monitor e Indication of all detected insulation faults signalled to the IRDH575 via the BMS bus by the connected EDS devices The second line of the display shows the respective number of an alarm as well as the total number of alarms The third line shows the address and the channel of the insulation fault evaluator EDS4 as well as the measured test current 5 8 2 EDS Test IRDH575 checks all BMS bus nodes and indicates the fol
50. g 5 4 ISO SETUP menu Setting of the basic A ISOMETER functions The response values Alarm 1 2 prewarning and main alarm the operating principle of the alarm relays K1 and K2 N O N O operation N C N C operation the fault storage behaviour and the selection of the current out put between two different ranges are set in this menu 5 4 1 Response values Alarm 1 and Alarm 2 The response values Alarm 1 and Alarm 2 are selected with the UP DOWN keys and stored with the ENTER key 5 4 2 Starting the EDS system via the response values ALARM 1and ALARM 2 The EDS system is started when the value of the insulation resistance falls below the lowest preset response value i e below both alarm values When setting the A ISOMETER response values make sure that the lower value of them is within a range which the EDS system is able to find There fore it is recommended to set the A ISOMETER response value according to the response characteristic curves of the EDS system Refer to page 80 5 4 3 Operating principle of the alarm relays K1 K2 are factory set to N O Test that means N O operation When the supplement Test has been selected the alarm relays switch over during a manual self test If for any reason the alarm relays may not switch over during a manual self test the settings N C or N O are to be selected K1 N C Test N C operation contacts 11 12 14 with relay test the alarm relay is energized during norma
51. g mode and the current measuring value is displayed after the expiry of the reading time When a fault is found the message Error appears on the display the device fault relay K3 31 32 34 drops the device fault LED lights up and the respec tive error message see table is indicated If such a device fault occurs a self test will be started every 60 seconds If no more malfunction is detected the fault message will automatically be deleted the device fault LED extinguish es and the device fault relay K3 energizes again During operation the self test function can be started by pressing the TEST button internal or external or automatically every hour or every 24 hours by selecting ISO ADVANCED Autotest in the menu The alarm relays ALARM 1 2 can only switch after starting the self test function by pressing the TEST button that means if an automatic self test has been selected the alarm relays do not switch Error message Meaning Steps to taken System connec No low resistance con Check the wiring of terminal L1 L2 L3 tion nection of terminals L1 to the system L2 L3 to the system 2 Press the TEST button 3 Switch the supply voltage on and off 4 Checkthe fuses Connection PE No low resistance con 1 Check wiring of terminal and KE nection ofthe terminals to earth PE and KE to earth Press the TEST button PE Switch the supply voltage on and off Device error x Internal device error Pre
52. gnized correctly the display indicates ADR xx k xx xxmA yes Remove the resistance and select y Are there other CTs installed Bs E EE that are to be checked y r ring trans insulation fault is to be simulated no v 22 TGH1364en 04 2007 Commissioning flow chart 4 BENDER Commissioning of the insulation fault location function EDS 3 v Remove the resistance Y no Alarm LEDs extinguished Did the alarm relays respond l v Delete the alarm messages by pressing the RESET button of the EDSA 12 or selecting EDS RESET from the EDS ADVANCED menu of the IRDH575 Y The EDS4 12 is ready for operation and correctly connected TGH1364en 04 2007 23 74 BENDER Commissioning flow chart 24 TGH1364en 04 2007 4 Connection IRDH575 has plug in terminals Connect the terminals A1 and A2 to the supply voltage Us in accordance with IEC 60364 4 43 The connections to the supply voltage shall be provid ed with protective devices to afford protection in the event of a short circuit a 6 A fuse is recommended Devices for protection against short circuit in conformity with IEC 60364 4 43 for the IT system coupling L1 L2 L3 can be omitted if the wir ing is carried out in such a manner as to reduce the risk of a short circuited to a minimum a short circuit proof and earth fault proof w
53. haracteristics Four line LC display Automatic device self test Memory with real time clock to store all alarm messages with date and time stamp RS485 interface BMS protocol for data exchange with other Bender devices RS485 electrically isolated Remote setting of certain parameters via the Internet option FTC470XET addi tionally required Option W Improved shock and vibration resistance for use in ships on rolling stock and in seismic environment 2 2 Essential functions of the A ISOMETER9 A ISOMETER for IT AC systems with galvanically connected rectifiers and for IT DC systems IT System is the international IEC term for Ungrounded System Automatic adaptation to the existing system leakage capacitances AMPP s measuring principle European Patent EP 0 654 673 B1 Two adjustable response values in the range 1 KQ 10 MQ Alarm 1 Alarm 2 Connection monitoring Internal disconnection of the A ISOMETER from the IT system to be monitored using a control signal terminals F1 F2 e g if several A ISOMETERs are inter connected Current output 0 4 20mA galvanically separated in relation to the measured insulation value Essential functions of the Insulation fault location system EDS Generation of the test current necessary for selective insulation fault location Indication of the insulation faults selectively localized by the EDSA systems Parameterization of EDSA systems Test function for EDSA sy
54. includes the supple mentary sheet Important safety instructions for BENDER Products Device specific safety information Only one insulation monitoring device may be used in each intercon IN nected IT system When insulation or voltage test are to be carried out the device shall be isolated from the system for the test period If the terminals L1 L2 L3 of the device are connected to a system under IN operation the terminals gt and KE must not be disconnected from the protective conductor PE TGH1364en 04 2007 7 P BEN DER How to use this documentation effectively 1 3 Warranty and liability As a basic principle the general conditions for the supply of products and services of the electrical and electronics recommended by ZVEI German Electrical and Electronic Manufacturers Association shall apply As the lat est these shall be available to the operator when the contract is concluded 1 4 Explanations of symbols and warnings The following symbols are used in BENDER documentation to draw atten tion to important information and to make it easier to find certain text pas sages The following examples explain the meaning of the symbols The Attention symbol is used to draw attention to information warn ing employees of hazardous situations Information you should know for correct handling of the product is marked with the Info symbol 8 TGH1364en 04 2007 2 2 1 Function General c
55. ion and setting For controlling the menu system the Up Down keys the ENTER key and the ESC key are used AP UP key y Moving up in the menu increasing a parameter eS v Down key S Moving down in the menu decreasing a parameter Gm ENTER key y Selecting a menu item or sub menu item confirming or storing a wen parameter change and going back to the associated sub menu T item or going to the next input area ESC ESC key A y to return to the previous menu Y If the menu has not been closed the device returns to the display mode again after approximately 5 minutes For the sake of clarity the following symbols are used for the functions EN TER UP DOWN and ESCAPE in the menu diagrams of this operating manu al A l y ESC 32 TGH1364en 04 2007 Operation and setting E BEN DER 5 2 Menu structure and menu mode The presentation of the menu structure consists of two parts One part con sists of the menu options 1 to 8 the other one of the menu options 9 to 12 All EDS related menu options are grouped together and are represented on one display The EDS Setup menu option is designed for the test current gen erator parameter setting of the IRDH575 for all insulation evaluators One ex ception in the EDS Setup menu is the parameter Position mode it is only designated for EDS47 devices Switchover to the menu mode Pressing the MENU key will change the dis
56. ion system EDS 9 2 4 Product description esssessssssssccssessessteccssecccssecesnscecssnscessusecsssseeccaneesssneesssneeesene 10 DB FUNCOM mec 10 2 5 1 Current output for external measuring instrument sss 11 2 52 Real time clOck n enema mier ERAT TETUR eel INSERIRE eri Y 11 2 5 3 Insulation fault location e eesseeeennt teen ttnnnntttnnttttnnn 12 2 5 4 Interconnected systems ssssssccsssssscsecssseseccsseesesusecssssecsssecessseeessueecssneeessneeessee 12 2 5 5 Function input F1 F2 for connection or disconnection of IT systems being monitored sessccsseecccsssecesseccessecssssseeessecessnteceesneecesneees 12 2 5 6 ISOnet function for central control of the insulation monitoring process when several IRDH575 are interconnected in IT systems 14 25 7 Self COSE p E RH 15 2 5 8 Relay K3 device fault alarm and EDS common message 17 2 59 Factory SettiliCj s arteries oerte citt ete eneen ciere etes aa trs ES soii Esiet aSa 17 3 Commissioning flow chart eese esterne tntntnann 19 3 1 Commissioning of the A ISOMETERe function range 1 19 3 2 Commissioning of the insulation fault location function EDS 1 21 TGH1364en 04 2007 WZ BENDER Table of Contents A COMMOCU m 25 5 Operation and setting ccesssscscccesss
57. iring is recom mended Use the accompanying terminal covers for terminal protection Only one A ISOMETER may be connected to an external TEST or RESET button The TEST and RESET inputs of different insulation monitoring devic es must not be connected in parallel for collective testing Only one insulation monitoring device may be used in each intercon nected IT system When insulation or voltage test are to be carried out the device shall be isolated from the system for the test period TGH1364en 04 2007 25 Connection i r fuu E SEE 4 LI l E J IRDH575 Y K3 K2 n K1 Al A2 L1 L2 L3 O_O O9 O OF JO OF O O RS485 L1 12 3 3 N AC System Un AC System Li L2 L3 DC System U L Sa n L 13 26 TGH1364en 04 2007 Connection Legend to wiring diagram For external indicating instrument current output 0 20 mA oder 4 20 mA 2 External TEST button NO contact 3 External RESET button NC contact or wire jumper with the terminals open and the ISO SETUP menu set to Memory off insula tion fault alarms will not be stored 4 STANDBY When the contact is closed insulation measurement does not take place system disconnection 5 S1 ON RS485 interface A B is terminated with 120 Q resistor 2 unassigned 6 Serial interface RS485 A B 7 System fault relay K3 devic
58. l operation K1 N O Test N O operation contacts 11 12 14 with relay test the alarm relay is deenergized during normal operation K1 N C N C operation contacts 11 12 14 without relay test the alarm relay is energized during normal operation K1 N O N O operation contacts 11 12 14 without relay test the alarm relay is deenergized during normal operation K1 Flash Flashing function contacts 11 12 14 the alarm relay and the LED flash in the event of an alarm message approximately 0 5 Hz 38 TGH1364en 04 2007 Operation and setting Diagram ISO SETUP T SYSTEM R 2010 MO F EDS off auto KKEKKKKEKKKKKEKKKE KER lt i i 1 EXIT 2 HISTORY INFO 3 ISO SETUP 4 ISO ADVANCED 5 EDSSETUP A lt 6 EDS 460 490 7 EDS 470 Y 8 COM SETUP 9 PASSWORD 10 LANGUAGE 11 SERVICE o 4 Loto 4 L 1 Exit A 2 ALI 40 KQ al Alarmi 40KO l 3 AL2 10 KQ M A 001KQ 4 K1 NO S y 5 Q NO E P 6 Memory off A 2 775 40NQ ZM M 0 20 mA 4 Alarm2 10 KQ y E K1 N O Test gt lt 77 NOOTest N C Test Flash 7 N O K2 N O Test NE y Memory off A lt Memory on Memory off Y M M 0 20 mA gt gt lt M M 0 20 mA M M 4 20 mA TGH1364en 04 2007 39 P BEN DER Operation and setting K2 N C Test N C operation contacts 21 2
59. lation fault is detected 7 Alarm LED 1 lights insulation fault first warning level reached 8 Alarm LED 2 lights insulation fault second warning level reached 9 Device fault LED lights IRDH575 defective TGH1364en 04 2007 29 P BEN DER Operation and setting 5 1 1 Display in case of active EDS and detected fault Insulation Fault 1 Rs 011kQ St H 2 EDS on auto 6 ADR 02 k03 12mA 1 Insulation resistance is indicated in kQ 2 Additional information about the insulation resistance insulation fault at L insulation fault at L S new measurement has started 3 Bus address of the active EDS4 indication in case of fault detection Channel being monitored by the EDSA indication in case of fault detection 5 Test current in mA or pA indication in case of fault detection or short 2 measuring input short circuited noCT no CT connected 6 on auto EDS is in the AUTO mode and just running Further modes are on EDS is activated off EDS is deactivated pos470 Addr and channel of the EDS have to be selected in the Master mode only EDS47 only 1cycle after testing all the channels once the EDS is deactivated 7 Polarity of the test current pulse valid RS485 traffic H a new entry is made in the memory data base C flashing if the clock has to be set 8 Messages Insulation fault Connection system Connection PE Device error x A 30 T
60. lowing details e Device address e Device type e Software version e CT connection in case of EDS47 means off channel switched off noCT no measuring current transformer connected short measuring current transformer short circuited e Memory behaviour of the EDS47 Memory on off e Elongation of the measuring time EDS47 peak 1 255 in case of measurement disturbances e Operating principle of the alarm relay EDS47 N O N C 5 8 3 EDS Reset This menu point can be used to reset stored fault messages of the connected EDS devices 5 8 4 Details about the menu points Relay Memory and n peak The parameters indicated on the IRDH575 display do not necessarily corre spond to the EDS47 settings Only when a control command is sent to EDS by pressing Return the EDS settings of EDS47 correspond to the IRDH575 indication TGH1364en 04 2007 53 P BENDER Operation and setting 5 8 5 Diagram EDS 470 5 EDSSETUP 6 EDS 460 490 L 7 EDS 470 EDS Monitor 7 Nr 01 Nr 02 Em amp ADR 03 k12 20mA A 2 EDS Monitor ql TP geexOOOCOCOOCCCOE CAE v 3 EDS Test off 4 EDS Reset off Nr 01 5 Relay N O pneus E I 1 i 6 Memory on A 01 50 7 CT Setup A y amp npeak1 255 4 9 K3 Alarm on f lt l i i EDS Test off xxx C T SETUP i A ADR 2 90 k1 12 Typ standard split off i Won on EDS Te
61. ly 5 minutes when the test current during the measure ment is above 2 mA EDS470 or 0 2 mA EDS473 auto As soon as the insulation resistance has fallen below the A ISOMETER response values ALARM 1 and 2 the EDS system is automatically activated and remains activated as long as the test current is above 5 mA 0 5 mA The EDS insulation fault location process is cyclically interrupted for approximately 5 minutes fac tory setting i e for the time the A ISOMETER is carrying out insulation fault measurements 5 6 3 System DC 1 AC 3 AC The type of the system to be monitored are to be selected from this sub menu e DC DCsystem e 1AC single phase AC system e 3AC three phase AC system Factory setting is 3AC 5 6 4 maxPuls 1 2 5 10 25 50 mA This setting determines the maximum test current 1 and 2 5 mA for EDS473 461 491 systems preferably 2 5 mA 1mA is recommended when sensitive electrical equipment is supplied by the sys tem such as PLC controllers 10 25 and 50 mA for EDS470 460 490 systems preferably 25 mA 10 mA is recommended when sensitive equipment such as control relays is sup plied by the system 50 mA should only be used in case of systems involving a lot of parallel faults factory setting 25 mA The test current of the IRDH575 is factory set to 25 mA 46 TGH1364en 04 2007 Operation and setting E BEN DER Please note that the test current is to be set according to the type of
62. ly voltage Us on Determine one IRDH575 as the Master and assign address 1 Assign the addresses 2 150 successively without gaps to all other IRDH575 devices and other bus nodes see table below Check whether a flashing point appears on all devices with a display BMS commands are being received Other devices use an RS485 LED to signal the bus traffic The sub menu ISO Monitor in the COM SETUP menu allows insulation values of the A ISOMETERs to be queried Before starting the query the address of the A ISOMETER has to be entered In the EDS Test menu all preset Slave addresses can be checked TGH1364en 04 2007 69 PE BENDER Serial interfaces BMS bus address ranges Addresses Device Meaning 0 There is no device with address 0 Information sent to BMS address 0 applies to all devices connected to the BMS bus broadcast 1 PRC1470 Control and indicating device 1 30 IRDH275B Insulation monitoring device 375B 575 1 30 FTC470 Protocol converter 2 30 EDS47 Insulation fault evaluators localisation 31 60 SMO480 Signal converter relay EDS4 E2 Insulation fault evaluator localisation 1 90 EDS46 49 Insulation fault evaluators localisation 61 90 EDS4 E Insulation fault evaluators localisation 111 119 PGH47x Insulation fault test device 121 150 PGH47xE Insulation fault test device When assigning addresses take car
63. n wrong alarm messages A value of 300UFV 230V 1 3 uF is taken to be the maximum system leakage capacitance value When the limiting value is exceeded false tripping may occur TGH1364en 04 2007 85 Technical data IRDH575 j esodind yeu 10 pauinbai s piomssed y jwa NUBW 80S eui RIA e qenes eie sysueise OM YIM pe eui sjejeurejed YL yx S SHQul e ejd yun eu ui sseJppe sng 6 S ianen maea n a Sa x ZHOS x ZHOL Kouenbeuj sayy Xew Aouenbey jeyiy Xew ejdiouud Duunseeui dV pereAnoe pereAnoe uonoejoud piowsseg jou uomnoej1oud Piomssed tons e 3 orxmueo at eure UELLE E arires eue o uolye1ado 9 N ZM uoneJedo O N ZM uonoun Buyse zy sa 1 uoneido O N zy 1591 uoneuedo O N ZM uoneJedo 5 N LM uoneJedo O N LM uonounj Buyse s1 uonejedo O N Ly 1584 uoneledo O N LM Mel m apuro 4 sequnu JO uonisog a Jequinu 9Anoedsai ay jo anjeA Status number TGH1364en 04 2007 86 Technical data IRDH575 Dimension diagram enclosure IRDH575 96 144 mm 21 2 10 mm Panel cut out 138 x 90 mm TGH1364en 04 2007 87 PE BENDER Technical data IRDH575 7 4 Ordering details 7 4 1 Standard version Type Nominal volt U Supply voltage U Art No IRDH575B1 427 AC 20 575 V DC 19 2 72 V B 9106 5502 DC 20 575 V IRDH575B1 435 AC 20 575 V AC 88 264 V B 9106 5500 DC 20 575 V DC 77 2
64. on fault evaluator EDS 9 Insulation fault location 9 Interconnected systems 12 ISO Monitor 57 ISOnet function activate deactivate 58 description 14 M Measuring instruments 88 Memory database 36 Menu COM SETUP 57 92 TGH1364en 04 2007 PE BENDER INDEX EDS 460 490 48 EDS 470 53 EDS SETUP 44 HISTORY INFO 37 ISO ADVANCED 42 ISO SETUP 38 LANGUAGE 60 PASSWORD 59 SERVICE 61 structur 34 Monitor EDS Function 53 O Operating features and displays IRDH575 29 Option W 9 P Parameter setting via Internet 61 Product description 10 R Real time clock 11 Relay K3 17 RESET button 11 29 Response values Alarm 1 and Alarm 2 set ting 38 RS 485 interface 63 RS 485 network correct arrangement 64 wrong arrangement 64 RS 485 termination 27 S Self test A ISOMETER 29 Setting the BMS bus address of the IRDH575 57 Setting the date 42 Setting the maximum test current 46 Setting the real time clock 42 Specify allowable response values of the insulation fault evaluator EDS46 EDS49 78 of the insulation fault evaluator EDS470 80 of the insulation fault evaluator EDS473 83 see characteristic curves 75 Standards 74 Status number 86 System leakage capacity adaptation 42 T Technical data 71 Terminating resistor 63 TEST button 29 Test current 46 Test of all bus nodes EDS test 51 Topology RS485 64 W Wiring 64 Wiring diagram 27 9
65. on the respective system leakage capacitances and the insulation re sistance of the system to be monitored An insulation fault between system and earth closes the measuring circuit From the measured current value the microprocessor calculates the insulation resistance which is indicated on the LC display or the external kQ measuring instrument lowing shall be considered Insulation faults in DC circuits can only be monitored correctly when the rectifiers carry a continuous load of at least 5 10 mA d When an AC system includes galvanically connected DC circuits the fol The measuring time is determined by the system leakage capacitances the insulation resistance and the system related interference disturbances Sys tem leakage capacitances do not influence the measuring accuracy If the reading is below the selected response values ALARM1 ALARM2 the 10 TGH1364en 04 2007 Function V BENDER associated alarm relays respond and the alarm LEDs ALARM1 2 light up and the measuring value is indicated on the LC display in the event of DC insulation faults the faulty supply line is indicated The fault indication can be stored by bridging the terminals R1 R2 external RESET button NC con tact or by setting the fault memory to Memory on in the ISO SETUP menu Pressing the external or internal RESET button resets the fault message pro vided that the insulation resistance is at least 25 6 above the preset value R1 R
66. play from the standard mode to the menu mode From the main menu you can link to the different sub men us Navigation within the menu Select the desired menu item using the UP DOWN keys The selected menu item is indicated by a flashing cursor Press the ENTER key to open the as sociated sub menu Use the UP DOWN keys again to select the desired parameters Move the cursor to the edit field by pressing the ENTER key If you have reached the end of the main menu list it will be indicated by the Arrow UP symbol Changing the parameters When password protection is activated indicated by the symbol padlock closed li the first thing to enter is the correct password before the pa rameters can be changed using the UP DOWN keys Entering the correct password once allows all parameters to be changed as long as you do not leave the menu Changing the parameter usually has an immediate effect on the measuring and alarm functions The changed parameter is stored in a volatile memory by pressing the ENTER or ESC key after returning to the sub menu flashing cursor in column 1 During menu operations all measuring and alarm func tions carry on working as usual in the background Changing from the menu mode to the standard mode Pressing the ESC key allows fast changing from the menu mode to the stand ard mode Thus the menu item EXIT need not to be activated Automatic switchover from the menu mode to the standard mode takes place when
67. s the network for an ISOnet master If there is no master available the display will show the fault message ISOnet Master With the ISOnet function activated the function input F1 F2 is automatically deactivated 14 TGH1364en 04 2007 Function V BENDER All EDS devices in the IT systems being monitored must be operated with activated fault memory In comparison to a solution with coupling switches and function input F1 F2 the response time will be extended because the measurement is not per manently carried out BMS Bus A B RS485 Addr 1 IRDH575B IT Netz 4 IT Netz 3 This has the advantage that no auxiliary contacts of a coupling switch are required Furthermore this solution is recommended for IT systems coupled via capacitances or diodes 2 5 7 Selftest In order to guarantee high functional reliability the A ISOMETER provides comprehensive self test functions After switching the supply voltage on all internal measuring functions the components of the process control such as data and parameter memory as well as system and earth connections are checked using the self test functions The progress of the self test is indicated TGH1364en 04 2007 15 WZ BENDER Function on the display by a bar graph Depending on the system conditions the du ration of the self test is 15 20 seconds then the device indicates Test ok for approximately 2 seconds Then the device returns to normal measurin
68. s would be deactivated In order to prevent this a BMS Master IRDH575 Adr1 monitors the condition of the function input F1 F2 of all Slave ISOMETER s When all Slave ISOMETERs are in the STANDBY mode the insulation monitoring function of the Master ISOME TER remains active that means the input F1 F2 of the Master is without function in this mode n BMS Pus A B RIBS costs IRDH575 Adr 1 O IT System 3 IRDH575 Adr 3 Example Let as assume in the before mentioned ring type arrangement the associat ed coupling switch of the Slave ISOMETERQ 2 were open The coupling switches of the BMS Master Addr 1 and of the Slaves 3 and 4 were closed In this case the ISOMETER and EDS functions of the Master and the Slaves 3 and 4 would be deactivated In spite of changing to the STANDBY mode TGH1364en 04 2007 13 WZ BENDER Function the Master status of the device with address 1 would remain That means if a parameterization is necessary it has to be carried out via the IRDH575 with BMS address 1 2 5 6 ISOnet function for central control of the insulation monitoring process when several IRDH575 are interconnected in IT systems Up to 30 A ISOMETER can communicate with each other in an ISOnet net work The ISOnet network can only be activated when a BMS bus is used for interconnection A typical method with four devices is shown as an example The ISOnet function of all A ISOMETER in th
69. ss the TEST button Switch the supply voltage on and off Please contact Bender Bo pots pp T2 reasons a RESET of the device can be carried out by pressing the ESC If the on off switching ofthe supply voltage is not possible for technical dL RESET and MENU key simultaneously 16 TGH1364en 04 2007 Function V BENDER 2 5 8 Relay K3 device fault alarm and EDS common message Relay K3 is intended to signal device and connection errors of the A ISOMETER In the Master mode with bus address 1 EDS alarm messages can be collectively indicated by the K3 relay as well as system fault messages Collective indication of the EDS alarms by K3 can be disabled by selecting K3 Alarm off from the EDS Setup menu Refer to page 47 K3 is permanently set to N C operation with the contacts 31 34 normally closed that means when a fault occurs the relay deenergizes K3 31 32 con nected Further details are described in chapter 2 5 7 Self test Even when a proto col converter of the FTC470 series is installed in a BMS system which is temporarily taking over the Master function is the function collective EDS message will remain This function is directly dependent on BMS address 1 the Master status is a secondary factor 2 5 9 Factory setting The devices are delivered with the following factory setting ISO SETUP Alarm 1 Alarm 2 40 kQ 10 KQ response values ISO SETUP Operating principle K1
70. ssessssesessssessssesssesesessseesesseees 29 5 1 Operating features and displays IRDH575 sees 29 5 1 1 Display in case of active EDS and detected fault sss 30 5 1 2 Display in the menu mode ssesessssescsseccesseeccsseccesssecesssecessueceesueecssneecesneesesaee 31 5 1 3 Function keys sisine riria ne inr danisan Erian 31 5 2 Menu structure and menu mode eerte ttt ttn 33 5 2 1 Diagram menu structure s ss ssssssssssssesssssssseessessesessssssseeertrseesesnnsssssserettneerereensssss 34 53 HISTORY INFO MENU tssuscintimn toin n UR DM n RURGUH IO AU DOR 36 5 3 1 Diagram HISTORY INFO uu essesssssscsecsssscsssecssecsssecssecsssecssesesseccssecsuecssecsnecesseess 37 5 4 ISO SETUP menu Setting of the basic A ISOMETER functions sene 38 5 4 1 Response values Alarm 1 and Alarm 2 u eessssssssccsssecssseecesstecsssseccsneesecneessnees 38 5 4 2 Starting the EDS system via the response values ALARM 1and ALARM 2 scssssssssccsssscssssecssseescssseecsssesecssecsssuteccsseceesusecssnesesnseessaees 38 5 4 3 Operating principle of the alarm relays eee 38 5 4 4 Memory setting on off u seessssecssssesssssecssseeccsssecssseececsecssseeeessueceesueeessneeessneeees 40 5 4 5 Current output for external measuring instruments ss 41 5 5 ISO ADVANCED menu Setting of the extended functions essent 42 5 5 1 External coupling device A
71. sssssssssssssssssssssssesessssesesssssssssseerseessennsssssssrerrssee 61 TGH1364en 04 2007 5 WZ BENDER Table of Contents 6 Serial interfaces eese terrere te ette ttes estote tr petet eo epitope Sen eiae ra Ep eee 63 6 1 RS485 interface with BMS protocol seen 63 6 2 Topology RS485 network ssssscsssssccsssecsssescessecssssseccsseecssnsecssseeeesaecssneeeenseees 64 6 2 1 Correct arrangement eeeessecsseecssecsseecssescnseccssecssecessecssscessecenseesseecsseecsseesseeeseeesues 64 6 2 2 Wrong arrangement sssssssesssecsesessecsessssenessssessecssscseosssesseesosssessesssessnsssesssceueeese 64 SAMT 64 6 3 BMS protocol BMS we 65 631 BMS ETIIINE T M 65 6 3 2 BMS Sla ves ccccscscssssticcsncccsseccnnssseccuabcosesenndesccaveserodsndssuscebauesscandeesosavesensiusdasscchacesecosedse 66 6 3 3 BMS operation in the Standby mode eessssssssssssecssssecesseesesneeecsseeeesseesesnees 67 6 3 4 Combination with EDS46 devices eessesssssssssssssecsssteccesseesssseeecsseesssueeceaseees 68 6 3 5 Commissioning of an RS485 network with BMS protocol 69 7 Technical data IRDH575 csssssssssssssssssssccssssssesssesesscecscesesessessesssseees 71 7 1 Datta in tabular form uu eeesssssssscsseeccsssecsssecccnseccsssececssecessueecssneesesuecssnseessasecssaees 71 7 2 Standards approvals and certifications ss 74 7 3
72. st below e W WR circular or rectangular measuring current transformer factory setting e WS split core current transformer e off channel switched off T on Use this menu option to set a response delay of 0 24 s for the selected EDS4 Factory setting 0 s T off Use this menu option to set a delay on release of 0 24 s for the EDS4 Fac tory setting 6 s CT monitor To enable or disable the CT monitoring That enables the EDS to check the proper connection of the respective measuring current transformer After the test this will be indicated on the display as described in chapter 5 7 4 EDS Test Faults are indicated by the Alarm 1 LED In position off this func tion is deactivated Factory setting on Inverter Use this menu option to adapt a selected channel of the EDS46 49 to a circuit comprising a frequency converter Factory setting off Op mode Use this menu option to determine the operating mode of the 12 channel related alarm relays of an EDS490 EDS491 Factory setting N O 5 7 3 Relay Use this menu to set the parameters for common alarm and system fault alarm at the relays of EDS46 and EDS49 The following parameters have an effect on that device the BMS address and the associated alarm relay of which are being displayed Set the address and the respective relay 1 2 in 50 TGH1364en 04 2007 Operation and setting E BEN DER order to select the appropriate device
73. stems incl the connected measuring current transfor TGH1364en 04 2007 WZ BENDER Function 2 4 Product description The IRDH575 A ISOMETER monitors the insulation resistance of IT sys tems It is suitable for universal use in 3 N AC AC DC and DC systems AC systems may include extensive DC supplied loads such as converters or thy ristor controlled DC drives The device automatically adapts itself to the ex isting system leakage capacitance IT system Ungrounded System The IRDH575 A ISOMETER is fitted into an enclosure for panel mounting 144 x 96 mm WxH For protection against dust and moisture a panel seal IP42 or a front face transparent cover IP65 are available as accessories see page 88 The IRDH575 can be used in combination with a control and indicating de vice PRC1470 version 2 or higher for example on the BMS BMS Bender Measuring Device Interface bus 2 5 Function The IRDH575 A ISOMETER is connected between the unearthed system and the protective conductor PE The response values and other function parameters are set via the function keys The parameters are indicated on the LC display and are stored in a non volatile memory EEPROM after the setting is completed A microprocessor controlled pulsating AC measuring voltage is superim posed on the system AMPPlus measuring principle The measuring cycle consists of positive and negative pulses of the same amplitude The period depends
74. sts ion conn CT on off off ql i busy 16s y i K3 Alarm on H A al v on ADR XXX k XX TEST X EDS470 12 V2 10 i A CT noCT Mem off A v peak 255 Rel N O v 4 EDS Reset off 5 Relay N O Relay N O 6 Memory on ql gt EDS Reset off EDS Reset off LA off Relay N C Cut N C l gt EDS Reset off Y off EE on 54 TGH1364en 04 2007 Operation and setting E BEN DER 5 8 6 Relay Operating principle of the alarm relays of EDS47 e N C N C operation e N O N O operation factory setting 5 8 7 Memory e Setting of the memory behaviour of EDS47 The factory setting is on When the memory is in on position the alarms of an EDS47 are maintained until a RESET is carried out via the menu IRDH575 or the RESET key is pressed on the EDS47 When the memory if in off position the alarm stored in the EDS47 will be deleted when the next scanning is carried out provided that no insulation fault exists and no insulation fault location process is running 5 8 8 CTSetup Setting of the CT type and connection monitoring for EDS47 e ADR Setting the BMS address of an EDS47 that is to be configured e k Setting the BMS channel that is to be configured Note When ADR 2 90 and k 1 12 are selected the same CT type will be set for every channel of every device address e Type standard measuring current transformers of
75. tion or disconnection of IT systems being monitored The A ISOMETER can be disconnected from the IT system and set to STANDBY mode with the function input F1 F2 When the input F1 F2 is bridged the terminals L1 L2 are isolated from the measuring circuit via in ternal coupling relays and terminal L3 remains connected to the measuring circuit via a resistor of 10 MQ The measuring function is stopped and the message STANDBY appears on the display When using software version 1 4 or higher the latest measured insulation resistance is blanked and the value 10 MQ appears on the display Furthermore the alarm relays and alarm LEDs no longer provide alarm messages Insulation faults already de tected will be indicated by all EDS4 devices After opening the function input F1 F2 first of all the connection to the IT 12 TGH1364en 04 2007 Function V BENDER system will be restored and a completely new measuring cycle for insulation monitoring will be started Using this function selective disconnection of an IRDH5725 in interconnected IT systems can be carried out via auxiliary con tacts of the respective coupling switch One coupling switch each in a line type or ring type arrangement can deactivate a subsequent IRDH575 This ar rangement guarantees that only one A ISOMETER is active in each galvan ically connected IT system Theoretically speaking in a ring type arrangement with all coupling switches closed all A ISOMETER R

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