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IRDH575_D00089_05_M_XXEN/01.2020

7. Serial interfaces

7.1

RS-485 interface with BMS protocol

The RS-485 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 interconnected in a
network via the BMS bus, the BMS bus must be terminated at both ends with
a 120 Ω resistor. (Switch S1 = ON).
An RS-485 network that is not terminated, is likely to get instable and may re-
sult in malfunctions. Only the first and the last device in one line may be ter-
minated. Devices in between must not be terminated with 120 Ω
(switch S1 = OFF). Hence, stub feeders in the network must not be terminated.
The length of the stub feeders is restricted to 1 meter.

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Summary of Contents for ISOMETER IRDH575

Page 1: ...DH575 Insulation monitoring device for IT AC and DC sys tems with integrated test generator and controller for EDS46 EDS47 and EDS49 systems Software version D0185 V1 80 IRDH575_D00089_05_M_XXEN 01 2020 Manual EN ...

Page 2: ...Disposal 12 2 Safety instructions 13 2 1 General safety instructions 13 2 2 Work activities on electrical installations 13 2 3 Device specific safety information 14 2 4 Use for the intended purpose 16 3 Function 17 3 1 General characteristics 17 3 2 Essential functions of the ISOMETER 17 3 3 Essential functions of the Insulation fault location system EDS 18 3 4 Product description 18 3 5 Function ...

Page 3: ...ng features and displays IRDH575 38 6 1 1 Display in case of active EDS and detected fault 40 6 1 2 Display in the menu mode 41 6 1 3 Function keys 41 6 2 Menu structure and menu mode 44 6 2 1 Diagram menu structure 46 6 3 HISTORY INFO menu 48 6 3 1 Diagram HISTORY INFO 49 6 4 ISO SETUP menu Setting of the basic ISOMETER functions 50 6 4 1 Response values Alarm 1 and Alarm 2 50 6 4 2 Starting the ...

Page 4: ...t location 58 6 6 1 EDS auto on off pos 1cycle 58 6 6 2 Diagram EDS SETUP 59 6 6 3 System DC 1 AC 3 AC 60 6 6 4 maxPuls 1 2 5 10 25 50 mA 60 6 6 5 K3 alarm ON 63 6 7 EDS460 490 menu 63 6 7 1 General 63 6 7 2 Channel 64 6 7 3 Relay 67 6 7 4 EDS Test 68 6 7 5 EDS Reset 68 6 7 6 Diagram EDS46 49 with Relay EDS Test and EDS Reset 69 6 8 EDS 470 menu 70 6 8 1 EDS Monitor 70 6 8 2 EDS Test 70 6 8 3 EDS ...

Page 5: ...guage 78 6 11 2 Diagram Language 78 6 12 Menu SERVICE 79 6 13 Parameterization via Internet 79 7 Serial interfaces 80 7 1 RS 485 interface with BMS protocol 80 7 2 Topology RS 485 network 81 7 2 1 Correct arrangement 81 7 2 2 Wrong arrangement 81 7 2 3 Wiring 81 7 3 BMS protocol BMS 82 7 3 1 BMS Master 82 7 3 2 BMS Slave 83 7 3 3 BMS operation in the Standby mode 84 7 3 4 Combination with EDS46 de...

Page 6: ...rves 96 9 3 1 Characteristic curves of the ISOMETER 96 9 3 2 Characteristic curves of the insulation fault locators EDS46 EDS49 100 9 3 3 Characteristic curves for the insulation fault location system EDS470 102 9 4 Ordering details 111 9 4 1 Standard version 111 9 4 2 Protection against dust and moisture 112 9 4 3 Adaptor for rail mounting 112 9 4 4 Measuring instruments 112 ...

Page 7: ...s manual is intended for qualified personnel working in electrical engineering and electronics This signal word indicates that there is a high risk of danger that will result in electrocution or serious injury if not avoided This signal word indicates a medium risk of danger that can lead to death or serious injury if not avoided This signal word indicates a medium risk of danger that can lead to ...

Page 8: ... 2 Repair service Repair calibration update and replacement service for Bender products Repairing calibrating testing and analysing Bender products Hardware and software update for Bender devices Delivery of replacement devices in the event of faulty or incorrectly delivered Bender devices Extended guarantee for Bender devices which includes an in house repair service or replacement devices at no ...

Page 9: ...er is happy to provide training regarding the use of test equipment The dates of training courses and workshops can be found on the Internet at www bender de com Know how Seminars 1 4 Delivery conditions Bender sale and delivery conditions apply For software products the Softwareklausel zur Überlassung von Standard Software als Teil von Lieferungen Ergänzung und Änderung der Allgemeinen Lieferbedi...

Page 10: ...can be attributed to one or more of the follow ing causes Improper use of the device Incorrect mounting commissioning operation and maintenance of the device Failure to observe the instructions in this operating manual regarding transport commissioning operation and maintenance of the device Unauthorised changes to the device made by parties other than the manufacturer Non observance of technical ...

Page 11: ...mmu nity In Germany these policies are implemented through the Electrical and Electronic Equipment Act ElektroG According to this the following applies Electrical and electronic equipment are not part of household waste Batteries and accumulators are not part of household waste and must be disposed of in accordance with the regulations Old electrical and electronic equipment from users other than ...

Page 12: ... regulations must be complied with The European stan dard EN 50110 can be used as a guide Only qualified personnel are permitted to carry out the work necessary to install commission and run a device or system Risk of electrocution due to electric shock Touching live parts of the system carries the risk of An electric shock Damage to the electrical installation Destruction of the device Before ins...

Page 13: ...he IT system for the duration of the test In order to check the correct connection of the device a functional test has to be carried out before starting the system Make sure that the basic settings meet the requirements of the IT system In the event of an alarm message of the ISOMETER the insulation fault should be eliminated as quickly as possible If the ISOMETER is installed inside a control cab...

Page 14: ...anically coupled DC circuits an insulation fault can only be detected correctly if the rectifier valves e g rectifier diode thyristors IGBTs frequency inverters carry a minimum current of 10 mA Unspecified frequency range When connecting to an IT system with frequency components below the specified frequency range the response times and response values may differ from the indicated technical data ...

Page 15: ...tion faults in combination with insulation fault evaluators EDS4 In order to meet the requirements of the applicable standards customised pa rameter settings must be made on the equipment in order to adapt it to local equipment and operating conditions Please heed the limits of the range of application indicated in the technical data Any use other than that described in this manual is regarded as ...

Page 16: ...ships on rolling stock and in seismic environment 3 2 Essential functions of the ISOMETER ISOMETER for IT AC systems with galvanically connected rectifiers and for IT DC systems isolated power Automatic adaptation to the existing system leakage capacitances measuring principle European Patent EP 0 654 673 B1 Two adjustable response values in the range 1 kΩ 10 MΩ Alarm 1 Alarm 2 Connection monitori...

Page 17: ...tance of IT systems It is suitable for universal use in 3NAC AC DC and DC systems AC systems may in clude extensive DC supplied loads such as converters or thyristor controlled DC drives The device automatically adapts itself to the existing system leaka ge capacitance The IRDH575 ISOMETER is fitted into an enclosure for panel mounting 144 x 96 mm WxH For protection against dust and moisture a pan...

Page 18: ...nal kΩ measu ring instrument The measuring time is determined by the system leakage capacitances the in sulation resistance and the system related interference disturbances System leakage capacitances do not influence the measuring accuracy If the reading is below the selected response values ALARM1 ALARM2 the as sociated alarm relays respond and the alarm LEDs ALARM1 2 light up and the measuring ...

Page 19: ... 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 ADVANCED me nu 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 automatically once a day exactly at the preset time If the 1 h test has been se...

Page 20: ... care shall be taken that only one active ISOMETER is connected in each interconnected system If IT systems are interconnected via coupling switches make sure that ISOMETER s not cur rently used are disconnected and deactivated via a control system IT systems coupled via diodes or capacitances may also influence the insulation monito ring process Hence also in this case a central control of the di...

Page 21: ...DS4 devices After opening the function input F1 F2 first of all the connection to the IT sys tem will be restored and a completely new measuring cycle for insulation mo nitoring will be started Using this function selective disconnection of an IRDH575 in interconnected IT systems can be carried out via auxiliary contacts of the respective coupling switch One coupling switch each in a line type or ...

Page 22: ... 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 the Master status of the device with address 1 would remain That means if a paramete rization is necessary it has to be carried out via the IRDH575 with BMS address 1 BMS bus A B RS485 IT system 1 IT system 4 IT system 3 IT s...

Page 23: ...ssed on to the next higher BMS address Thisauthorization 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 ISOMETER are in the STANDBY mode In this way it is prevented that ISOMETER s influence each other in interconnected IT systems At f 50Hz and Ce 1 µF an ISOnet device stays in the measurin...

Page 24: ... the Relay K3 switches With the ISOnet function activated the function input F1 F2 is automatically deactivated In comparison to a solution with coupling switches and function input F1 F2 the response time will be extended because the measurement is not perma nently carried out All EDS devices in the IT systems being monitored must be operated with activated fault memory BMS bus A B RS485 IT syste...

Page 25: ...asuring 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 automatical...

Page 26: ... System connection No low resistance connection of terminals L1 L2 L3 to the system 1 Check the wiring of termi nal L1 L2 L3 to the system 2 Press the TEST button 3 Switch the supply voltage on and off 4 Check the fuses Connection PE No low resistance connection of the terminals and KE to earth PE 1 Check wiring of terminal and KE to earth PE 2 Press the TEST button 3 Switch the supply voltage on ...

Page 27: ... Alarm off from the EDS Setup menu Refer to page 63 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 3 5 7 Self test Even when a protocol converter of the FTC470 series is installed in a BMS system which is tem porarily taking over the Master function is t...

Page 28: ...can be omitted if the wi ring 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 wiring is recommen ded Use the accompanying terminal covers for terminal protection Only qualified personnel are permitted to carry out the work necessary to install commission and run a device or system Risk of electrocution due to elect...

Page 29: ...e insulation monitoring device is connected to a conductively connected system the system can be damaged If several devices are connected the device does not function and does not signal insulation faults Make sure that only one insulation monitoring device is connected in each conductively connected system Ensure disconnection from the IT system When insulation or voltage tests are to be carried ...

Page 30: ...020 3 10 4 2 PE 6 1 5 L1 L2 L3 N L L DC System L2 L1 Un 9 7 8 Un 3 N AC System L2 L1 L1 L2 AC System L2 L1 Un L3 L3 L3 mA M M T1 T2 R1 R2 F1 F2 A B 31 32 34 21 22 24 11 12 14 IRDH575 RS485 OFF S2 S1 ON K3 K2 K1 A1 A2 L1 L2 L3 KE 6 A 11 12 13 14 ...

Page 31: ...evice 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 For UL and CSA applications the use of 5 A fuses is mandatory 11 Connection to the 3 AC system to be monitored connect terminals L1 L2 L3 to conductor L1 L2 L3 12 Con...

Page 32: ...33 IRDH575_D00089_05_M_XXEN 01 2020 5 Commissioning flow chart 5 1 Commissioning of the ISOMETER function range 1 ...

Page 33: ...IRDH575_D00089_05_M_XXEN 01 2020 Commissioning of the ISOMETER function range 2 Perform a functional test between system and earth using a suitable resistance for the mains voltage Resistance value 50 of the response value ALARM2 ...

Page 34: ...ng the device Assign the address to the respective RS485 device Turn the supply voltage on Turn the system voltage on An internal self test is running Project manual EDS470 EDS473 and manual for EDS470 DS460 490 or EDS473 Which EDS system is connected to the IRDH575 EDS460 EDS470 Use the EDS SETUP menu to set the maximum test current max pulse to 2 5 mA 1 mA Use the EDS SETUP menu to set the max t...

Page 35: ...x xxmA yes Are there other CTs installed that are to be checked Do the EDS4 recognize all measuring transformers correctly no Check the CT wiring yes no no Remove the resistance and select another location downstream a measuring transformer where the insulation fault is to be simulated Does the LED EDS on light up Do the RS485 LEDs light at the bus nodes Are the CTs being scanned by the EDS4 Shall...

Page 36: ... fault location function EDS 3 Remove the resistance Delete the alarm messages by pressing the RESET button of the EDS4 or selecting EDS RESET from the EDS460 490 menu of the IRDH575 Alarm LEDs extinguished Did the alarm relays respond no The EDS4 is ready for operation and correctly connected ...

Page 37: ...ESC key back menu function confirmation parameter change 2 TEST button to call up the self test ISOMETER only Up key parameter change moving up in the menu 3 RESET button to delete insulation fault alarms ISOMETER only Down key parameter change moving down in the menu 4 MENU button to activate the menu system ENTER key confirmation parameter change ...

Page 38: ...ts insulation fault location has been started 6 EDS alarm LED lights insulation 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 ...

Page 39: ...nnel being monitored by the EDS4 indication in case of fault detection 5 Test current in mA or µA indication in case of fault detection or short 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 ...

Page 40: ...a circle the keys allow navigation within the menu 7 Polarity of the test current pulse valid RS 485 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 STANDBY Parameter change is permitted Parameter change is blocked enabling by a password 1 EXIT 2 HISTORY INFO 3 ISO SETUP 4 ISO ADV...

Page 41: ... numbers on page 109 COM Setup IRDH575 bus address Please have the details above on hand if you have a problem and if you con tact Bender for technical questions Activating the TEST button starts the self test of the ISOMETER Pressing the RESET key resets insulation and fault messages of the ISOMETER This function is only active after activating the fault memory in the ISO SETUP menu or after brid...

Page 42: ...cting a menu item or sub menu item confirming or sto ringa parameterchangeandgoingback tothe associated sub menu item or going to the next input area ESC key to return to the previous menu If the menu has not been closed the device returns to the dis play mode again after approximately 5 minutes For the sake of clarity the following symbols are used for the functions ENTER UP DOWN and ESCAPE in th...

Page 43: ...e UP DOWN keys The selected menu item is indicated by a flashing cursor Press the ENTER key to open the associ ated sub menu Use the UP DOWN keys again to select the desired parameters Move the cur sor 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 activate...

Page 44: ...e standard mode Pressing the ESC key allows fast changing from the menu mode to the stan dard mode Thus the menu item EXIT need not to be activated Automatic switchover from the menu mode to the standard mode takes place when no key is pressed for approximately 5 minutes in a main or sub menu ...

Page 45: ... 4 ISO ADVANCED 5 EDS SETUP 6 EDS 460 490 7 EDS 470 8 COM SETUP 9 PASSWORD 10 LANGUAGE 11 SERVICE 1 EXIT 2 Addr 001 3 ISONet Off 4 ISO Monitor Insert Service Password 000 COM SETUP SERVICE IT SYSTEM R 010 MW EDS off auto 1 EXIT 2 Password XXX 3 Status off PASSWORD 1 EXIT 2 Text Deutsch LANGUAGE ESC ESC MENU Menu item 1 7 ...

Page 46: ... Test 12 00 1 EXIT 2 Alarm1 040 kW 3 Alarm2 010 kW 4 K1 NO 5 K2 NO 6 Memory off 7 M M 0 20 mA Nr 01 Nr 02 Power on 12 09 02 09 21 Clear all off ISO ADVANCED ISO SETUP IT SYSTEM R 010 MW EDS off auto EDS SETUP EDS 460 490 1 EXIT 2 EDS auto 3 System 3AC 4 MaxPuls 025mA 5 K3 Alarm on 1 EXIT 2 General 3 Channel 4 Relay N O 5 Test Reset HISTORY INFO ESC MENU 1 EXIT 2 EDS Monitor 3 EDS Test off 4 EDS Re...

Page 47: ...from the HISTORY IN FO menu the UP DOWN keys to change the data record number the ENTER 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 Data record Event Disp...

Page 48: ...ower on 01 01 06 16 12 Clear all off Nr 02 Nr 08 Rmin 010kW 01 01 02 17 26 Clear all off Clear all off Nr 03 Nr 08 Alarm1 004kW 03 01 06 10 33 Clear all off ESC Clear all off Clear all on Clear all on 1 EXIT 2 HISTORY INFO 3 ISO SETUP 4 ISO ADVANCED 5 EDS SETUP 6 EDS 460 490 7 EDS 470 8 COM SETUP 9 PASSWORD 10 LANGUAGE 11 SERVICE ...

Page 49: ...d Alarm 2 The response values Alarm 1 and Alarm 2 are selected with the UP DOWN keys and stored with the ENTER key 6 4 2 Starting the EDS system via the response values ALARM 1 and 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 ISOMETER response values make sure that the lower v...

Page 50: ...d K1 N C Test N C operation contacts 11 12 14 with relay test the alarm relay is energized during normal 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 t...

Page 51: ...7 M M 0 20 mA Alarm1 40 KW Alarm2 10 KW K1 N O Test K2 N O Test Memory off M M 0 20 mA Memory on Memory off M M 0 20 mA M M 4 20 mA IT SYSTEM R 010 MW EDS off auto N O Test N C Test Flash N O N C 001 KW 10 MW 1 EXIT 2 HISTORY INFO 3 ISO SETUP 4 ISO ADVANCED 5 EDS SETUP 6 EDS 460 490 7 EDS 470 8 COM SETUP 9 PASSWORD 10 LANGUAGE 11 SERVICE ...

Page 52: ...arm 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 63 6 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...

Page 53: ...actory setting 0 20 mA The current output of the IRDH575 can be set to 0 20 mA or 4 20 mA via the menu point M M The maximum load is 500 Ω Function 0 20 mA RF insulation fault I current in mA Function 4 20 mA RF insulation fault I current in mA The associated characteristic curves are illustrated on page 98 Ω Ω Ω Ω ...

Page 54: ...max for the EDS System refer to curves at page 104 Factory setting 150 µF 6 5 3 Changing the measuring principle from AMP to DC Measure AMP The DCmeasuringprinciple reduced measuring time isonlysuitable forpure AC systems Factory setting AMP 6 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 ...

Page 55: ...his period a new setting of date and time of the real time clock is required 6 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 h...

Page 56: ...6 Clock 21 09 7 Date 01 01 01 8 Test 12 00 Ce max 150µF Ce max 150µF Ce max 500µF IT SYSTEM R 010 MW EDS off auto Autotest 24h 24h no 01h Clock 21 09 Date 01 01 01 Test 12 00 Test 00 00 Test 23 00 Measure AMP DC AMP 1 EXIT 2 HISTORY INFO 3 ISO SETUP 4 ISO ADVANCED 5 EDS SETUP 6 EDS 460 490 7 EDS 470 8 COM SETUP 9 PASSWORD 10 LANGUAGE 11 SERVICE ...

Page 57: ...S system is constantly switched off pos470 EDS47 only For continuous measurement at a desired address EDS4 12 and a certain channel The selected parameters are kept until a new operat ing 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 ...

Page 58: ...larm on EDS auto System 3AC MaxPuls 025mA 1 mA 2 5 mA 10 mA 25 mA 50 mA auto on off pos470 1cycle 3AC AC DC POSITION SETUP ADR 002 k 001 no EDS 15mA 1A 10A IT SYSTEM R 010 MW EDS off auto 1 EXIT 2 HISTORY INFO 3 ISO SETUP 4 ISO ADVANCED 5 EDS SETUP 6 EDS 460 490 7 EDS 470 8 COM SETUP 9 PASSWORD 10 LANGUAGE 11 SERVICE K3 Alarm on on off ...

Page 59: ...EDS491 auto As soon as the insulation resistance has fallen below the ISOMETER response values ALARM 1 and 2 the EDS system is automatically acti vated for approximately 5 minutes 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 factory setting i e for the time the ISOMETER is carr...

Page 60: ...tion 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 IRDH575 in relation to the type of supply system and insulation fault evaluators is given in the table below Do not use these settings for supply voltages 575 V Otherwise test currents u...

Page 61: ... 0 5 mA See EDS460 490 manual Chap 6 6 3 2 Test current limiting for supply systems 40 V Type of sup ply system EDS470 min max EDS473 min max DC AC 3AC 10 mA 25 mA 25 mA 25 mA 25 mA 25 mA 1 mA 2 5 mA 2 5 mA 2 5 mA 2 5 mA 2 5 mA Please note In supply systems to be monitored with a voltage 40 V the maximum test current of all IRDH575B1 versions is limited to approximately 25 mA ...

Page 62: ... the set tings 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 current para meters appear on the display 6 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...

Page 63: ...ystem Use this menu option to select the type of the distribution system to be moni tored You may select DC DC system AC single phase AC system 3 AC three phase AC system Factory setting AC 6 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 de...

Page 64: ... off 3 Trigger Com 4 N freq 50 Hz 5 System AC on off Memory on Com Auto Trigger Auto DC 50 Hz 60 Hz 400 Hz N freq 60 Hz AC DC 3AC Systeme 3AC ADR 2 90 CH 1 12 1 Exit 2 ResVal 0004 mA 3 CT W WR 4 T on 00 s 5 T off 06 s 6 CTmonitor on 7 Inverter off 8 Op mode N O W WR WS P52 P165 P20 off CT off 2 10mA ResVal 0005 mA 00 s 06 s 12 s 18 s 24 s T on 12 s T off 18 s on off CTmonitor off on off Inverter o...

Page 65: ...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 Factory 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 o...

Page 66: ... order to se lect the appropriate device 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 ED...

Page 67: ... channel switched off noCT no measuring current transformer connected short measuring current transformer short circuited Memory behaviour of the EDS47 Memory on off 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 6 7 5 EDS Reset Use this menu option t...

Page 68: ...nel 4 Relay N O 5 Test Reset 6 EDS 460 490 7 EDS 470 8 COM SETUP ADR 2 90 Relay 1 2 1 Exit 2 Op mode N O 3 Alarm off 4 Dev Error on on off Dev Error off N C N O Op mode N C on off Alarm on see previous page on off EDS Test on ADR XXX k XX TEST EDS460 V2 10 CT noCT Mem off busy 16 s on off EDS Reset on 1 Exit 2 EDS Test off 3 EDS Reset off ...

Page 69: ...The third line shows the address and the channel of the insulation fault evaluator EDS4 as well as the measured test cur rent 6 8 2 EDS Test IRDH575 checks all BMS bus nodes and indicates the following details Device address Device type Software version CT connection in case of EDS47 means off channel switched off noCT no measuring current transformer connected short measuring current transformer ...

Page 70: ... about the menu points Relay Memory and n peak The parameters indicated on the IRDH575 display do not necessarily corres pond 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 ...

Page 71: ...est off 5 EDS SETUP 6 EDS 460 490 7 EDS 470 on off EDS Monitor Nr 01 Nr 02 ADR 03 k12 20mA EDS Test on ADR XXX k XX TEST EDS470 12 V2 10 CT noCT Mem off peak 255 Rel N O busy 16 s CT SETUP ADR 2 90 k 1 12 Typ standard split off conn CT on off 4 EDS Reset off 5 Relay N O 6 Memory on Nr 01 01 50 EDS Reset off on off EDS Reset off Relay N O N O N C Relay N C Memory on off on EDS Reset off ...

Page 72: ...be deleted when the next scanning is carried out provided that no insulation fault exists and no insulation fault location process is run ning 6 8 8 CT Setup Setting of the CT type and connection monitoring for EDS47 ADR Setting the BMS address of an EDS47 that is to be configured 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...

Page 73: ...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 interfer ences signalled by the Fault LED at EDS47 the number of meas urements per channel will automatically be increased by the preset number n that means 4 n measurements per channel are carried out in this case The n t...

Page 74: ... the selected device is indicated on the display The display indication is structured similar to the standard indication but instead 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 ISOMETER the messag...

Page 75: ...er to page 24 for an ISOnet description 6 9 4 Diagram COM SETUP 1 Exit 2 Addr XXX 3 ISONet off 4 ISO Monitor Addr XXX IT SYSTEM R 010 MW EDS off auto ADR 001 ADR 030 IT SYSTEM R 123 kW ADR 01 1 EXIT 2 HISTORY INFO 3 ISO SETUP 4 ISO ADVANCED 5 EDS SETUP 6 EDS 460 490 7 EDS 470 8 COM SETUP 9 PASSWORD 10 LANGUAGE 11 SERVICE ISOnet off off on ...

Page 76: ... 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 password is deactivated 6 10 2 Diagram PASSWORD 1 Exit 2 Password XXX 3 Status off Password XXX Status off IT SYSTEM R 010 MW EDS off auto 000 999 off on 1 EXIT 2 HISTORY INFO 3 ISO SETUP 4 IS...

Page 77: ...R to be set to different languages There is the choice of German and English The device menu is not influenced by the language selection 6 11 2 Diagram Language 1 Exit 2 Text Deutsch Text Deutsch IT SYSTEM R 010 MW EDS off auto Deutsch English 1 EXIT 2 HISTORY INFO 3 ISO SETUP 4 ISO ADVANCED 5 EDS SETUP 6 EDS 460 490 7 EDS 470 8 COM SETUP 9 PASSWORD 10 LANGUAGE 11 SERVICE ...

Page 78: ...possible for Response value Alarm 1 1 kΩ 10 MΩ Response value Alarm 2 1 kΩ 10 MΩ Operating principle alarm relay K1 e g N O operation Operating principle alarm relay K2 e g N O operation Measuring principle AMP or DC Current output ranges for external measuring instruments 0 4 20 mA Maximum system leakage capacitance 150 µF or 500 µF Time for repetition of the automatic self test off 1 h 24 h Star...

Page 79: ...apable devices are interconnected in a network via the BMS bus the BMS bus must be terminated at both ends with a 120 Ω resistor Switch S1 ON An RS 485 network that is not terminated is likely to get instable and may re sult in malfunctions Only the first and the last device in one line may be ter minated Devices in between must not be terminated with 120 Ω switch S1 OFF Hence stub feeders in the ...

Page 80: ... path without branches 7 2 1 Correct arrangement Three examples for correct arrangement 7 2 2 Wrong arrangement Three examples for wrong arrangement 7 2 3 Wiring A suitable type of cable for the wiring of the RS 485 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 ...

Page 81: ...ts the MASTER while all other bus nodes are SLAVES It is important that only one MASTER is present in each network All bus nodes are identified by a unique address The MASTER scans all other de vices 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 7 3 1 BMS Master A Master can query a...

Page 82: ...sistors are not activated 7 3 2 BMS Slave In a BMS network for each slave an individual address between 2 and 30 has to be selected There may be no gaps of more than five subsequent addres ses 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 c...

Page 83: ...he BMS function of the Master 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 Actual insulation values of other SLAVE ISOMETER s connected to the BMS bus Fault messages of all SLAVE devices connected to the BMS bus In the Slave mode the functions of the EDS470 menu and ...

Page 84: ...ator panels e g PRC1470 Message Channel Meaning Insulation Fault 1 Insulation resistance setting Alarm 1 Insulation Fault 2 Insulation resistance setting Alarm 2 Connection sys tem 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 ...

Page 85: ...ult 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 58 respectively page 70 PE PE N L3 L2 L1 Us IRDH575 EDS460 to the load measuring current transformer F F see name plate 6A 6A A2 KE A B A B L1 L2 L3 A...

Page 86: ... least 0 2 mA 7 3 5 Commissioning of an RS 485 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 RS 485 network or in case of devices without a terminating switch at the end of the bus connect a 120 Ω resistor to the terminals A and B Switch the supply voltage US on Determine one IRDH575 as the M...

Page 87: ...Insulation fault evaluators localisation 31 60 SMO480 EDS4 E 2 Signal converter relay 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 Malfunctions due to wrong address assignment Assigning wrong addresses to ex...

Page 88: ... 2 Alarm1 40 kΩ 3 Alarm2 10 kΩ 4 K1 N O Test 5 K2 N O Test K3 N C fixed setting 7 Memory off 8 M M 0 20 mA 4 ISO ADVANCED 1 Exit 2 AGH no 3 Ce max 150 µF 4 Measure AMP 5 Autotest 24 h 6 Clock CET HH MM 7 Date current date DD MM YYYY 8 Test 12 00 5 EDS SETUP 1 EXIT 2 EDS auto 3 System 3 AC 4 MaxPuls 25mA 5 K3 Alarm on ...

Page 89: ...on setting EDS460 490 2 General 3 Channel 4 Relay 5 Test Reset 7 EDS470 1 Exit Depends on setting EDS460 490 2 EDS Monitor 3 EDS Test 4 EDS Reset 5 Relay 6 Memory 7 CT Setup 8 n peak 8 COM SETUP 1 Exit 2 Addr 1 Master 3 ISOnet off 4 ISO Monitor 9 PASSWORD 1 Exit 2 Password 000 3 Status off 10 LANGUAGE 1 Exit 2 Text German 9 SERVICE Access only for Bender service personnel Menu Submenu Setting ...

Page 90: ...requency fn for f 50 Hz see characteristic curve on page 97 50 460 Hz Nominal voltage range Un DC 20 575 V IRDH575B2 435 Nominal voltage range Un AC 3NAC 340 760 V Nominal frequency fn for f 50 Hz see characteristic curve on Page 97 50 460 Hz Nominal voltage range Un DC 340 575 V IRDH575B1 435 Supply voltage Us see name plate 88 264 V Frequency range Us 42 460 Hz Supply voltage Us see name plate D...

Page 91: ...m leakage capacitance Ce 500 μF Factory setting Ce 150 μF Measuring circuit for insulation fault location EDS Test current Ip DC 1 2 5 10 25 50 mA Test pulse break 2 s 4 s Displays Display illuminated four line display Characters number of characters 4 x 16 Display range measuring value 1 kΩ 10 MΩ Operating uncertainty 20 kΩ 1 MΩ acc to IEC 61557 8 2007 01 15 Operatinguncertainty 1 kΩ 20 kΩ 1 kΩ 1...

Page 92: ...up to AC DC 150 V Making capacity AC DC 5 A Breaking capacity 2A AC230V cosphi 0 4 0 2A DC220V L R 0 04s Contact current at DC 24 V 2 mA 50 mW General data EMC acc to IEC 61326 2 4 2006 06 Ed 1 0 Shock resistance acc to IEC 60068 2 27 15 g 11 ms Bumping acc to IEC 60068 2 29 40 g 6 ms Vibration resistance acc to IEC 60068 2 6 device in operation 1 g 10 150 Hz Vibration resistance acc to IEC 60068 ...

Page 93: ...ng DIN EN 60529 IP42 Type of enclosure suitable for panel mounting free from halogen Flammability class UL94 V 0 Software version D185 V1 6 Weight 900 g Option W Shock resistance acc to IEC 60068 2 27 device in operation 30 g 11 ms Bumping acc to IEC 60068 2 29 transport 40 g 6 ms Vibration resistance acc to IEC 60068 2 6 1 6 mm 10 25 Hz 4 g 25 150 Hz Ambient temperature during operation 25 C 70 C...

Page 94: ... consideration of the following standards DIN EN 61557 8 VDE 0413 8 2015 12 DIN EN 61557 8 Ber 1 VDE 0413 8 Ber 1 2016 12 IEC 61557 8 2014 IEC 61557 8 2014 COR1 2016 DIN EN 61557 9 VDE 0413 9 2015 10 IEC 61557 9 2014 Subject to change The specified standards take into account the edition valid until 01 2020 unless otherwise indicated ...

Page 95: ...3 Characteristic curves 9 3 1 Characteristic curves of the ISOMETER ISOMETER response times in relation to system leakage capaci tances of Ce 1 500 µF Un 20 575 V Version B1 50 Hz Un 340 760 V Version B2 50 Hz 1 10 100 1000 1 10 100 1000 Ce µF 10 MΩ 0 kΩ RF tan s ...

Page 96: ...Technical data IRDH575 97 IRDH575_D00089_05_M_XXEN 01 2020 Max AC voltage between system and earth in the frequency range 50 Hz 100 1000 0 1 1 10 100 fn Hz Un V IRDH575B2 760 V 0 3 IRDH575B1 575 V ...

Page 97: ...Technical data IRDH575 98 IRDH575_D00089_05_M_XXEN 01 2020 Current output 0 20 mA RF Insulation fault in kΩ I Current output in mA 1 10 100 1000 10 000 0 5 10 15 20 25 I mA RF kW Ω Ω ...

Page 98: ...Technical data IRDH575 99 IRDH575_D00089_05_M_XXEN 01 2020 Current output 4 20 mA RF Insulation fault in kΩ I Current output in mA 1 10 100 1000 10 000 0 5 10 15 20 25 I mA RF kW Ω Ω ...

Page 99: ...rves of the insulation fault locators EDS46 EDS49 Allowable response values for AC systems Allowable response values for 3AC systems 0 10 20 30 40 50 60 70 80 90 100 24 48 110 230 400 Un V RF kΩ 2 mA 5 mA 10 mA 0 50 100 150 200 250 24 48 110 230 400 500 690 Un V RF kΩ 2 mA 5 mA 10 mA ...

Page 100: ...Technical data IRDH575 101 IRDH575_D00089_05_M_XXEN 01 2020 Allowable response values for DC systems 0 10 20 30 40 50 60 24 48 110 230 Un V RF kΩ 2 mA 5 mA 10 mA ...

Page 101: ...ed for a maximum system leakage capacitance Ce as shown by curve 2a In order to start automatic insulation fault location the resistance values to be selected for ALARM 1and ALARM 2must besufficiently low at a given nominal voltage Otherwise the EDS test current is not sufficient to localise the insula tion fault Determine the suitable values by means of the characteristic curves 0 5 10 15 20 25 3...

Page 102: ...9_05_M_XXEN 01 2020 Curve 1b Allowable response values in relation to the system voltage to be monitored for a maximum system leakage capacitance Ce as shown in curve 2b 0 10 20 30 40 50 60 70 80 90 230 400 500 690 1000 Un V R F kW AC 3AC DC ...

Page 103: ...ng value of the system leakage capaci tance the EDS system has the sensitivity illustrated in curve 1a Curve 2b Maximum allowable system leakage capacitance in relation to the system vol tage to be monitored Up to this limiting value of the system leakage capaci tance the EDS470 system has the sensitivity shown in curve 1b 0 10 20 30 40 50 60 70 80 90 100 24 48 110 230 U n V C e µF AC 3AC DC 0 0 5...

Page 104: ...s 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 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 000µFV 400 V 50µF is taken for the system leakage capaci tance Exceeding the limiting value may result ...

Page 105: ...t be sufficient for the detection of the insulation fault Determine the suitable values for your installation by means of the characteristic curves Curve 4 Allowable response values in relation to the system voltage to be monitored at a maximum system leakage capacitance Ce 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 no...

Page 106: ...s for the insulation fault lo cation system EDS473 Curve 5 Maximum allowable system leakage capacitance in relation to the system vol tage 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 0 1 2 3 4 5 6 7 8 0 100 200 300 400 Un V C e μF AC DC ...

Page 107: ...pacitance 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 Otherwise it may result in wrong alarm messages A value of 300 µFV 230 V 1 3 µF is taken to be the maximum system leakage capacitance value When the limiting ...

Page 108: ...r no periodic self test 7 Language German Language English 8 Password protection not activated Password protection activated 9 AMP measuring principle DC measuring principle 10 max filter frequency 0 1Hz max filter frequency 1Hz max filter frequency 10Hz max filter frequency 50Hz 11 min filter frequency 0 1Hz min filter frequency 1Hz min filter frequency 10Hz min filter frequency 50Hz 12 BMS mode ...

Page 109: ...Technical data IRDH575 110 IRDH575_D00089_05_M_XXEN 01 2020 Dimension diagram enclosure IRDH575 All dimensions in mm Panel cut out 138 x 90 mm ...

Page 110: ...This makes the devices suitable for use in ships on rol ling stock and in seismic environment Type Nominal volt Un Supply volt Us Art No IRDH575B1 427 AC 20 575 V B91065502 DC 20 575 V DC 19 2 72 V IRDH575B1 435 AC 20 575 V AC 88 264 V B91065500 DC 20 575 V DC 77 286 V IRDH575B1 4227 AC 20 150 V B91065505 DC 20 150 V DC 19 2 72 V IRDH575B1 4235 AC 20 150 V AC 88 264 V B91065504 DC 20 150 V DC 77 2...

Page 111: ... IRDH575 on a DIN rail according to IEC 60715 9 4 4 Measuring instruments Type Dimensions Art No Panel sealing degree of protection IP42 144 x 96 mm B98060006 Transparent cover degree of protection IP65 144 x 96 mm B98060007 Type Art No Adaptor for DIN rail TS35 B98060010 Type Measuring range Dimensions Art No 9620 1421 0 20 mA 96 x 96 mm B986841 9620S 1421 0 20 mA 96 x 96 mm B986842 ...

Page 112: ...Technical data IRDH575 113 IRDH575_D00089_05_M_XXEN 01 2020 ...

Page 113: ...sponsevaluesinsulation faultinrelationtonominalvoltage 102 Allowable system leakage capacitanceinrelationtothesystem voltage 104 Reductionoftheresponsesensitivity in relation to Cemax 105 Characteristic curves EDS473 Allowableresponsevaluesinsulation faultinrelationtonominalvoltage 106 Allowable system leakage capacitanceinrelationtothesystem voltage 107 Reductionoftheresponsesensitivity in relati...

Page 114: ...ated alarm relays Channel Op mode only EDS490 491 67 Setting the operating mode of the common alarm relays alarm1 and alarm 2 Relay op mode 67 Settingtheresponsedelay T on 66 Setting the system coupling DC 1 AC 3 AC 64 Starting the EDS with IRDH575 or continuous EDS mode Trigger 63 To enable or disable the CT monito ring CT monitor 66 EDS470 473 CT Setup 73 EDS monitor indication of all de tected ...

Page 115: ...ucture 46 Monitor EDS Function 70 O Operating features and displays IRDH575 38 Option W 17 P Parameter setting via Internet 79 Product description 18 R Real time clock 20 Relay K3 28 RESET button 19 38 Response values Alarm 1 and Alarm 2 set ting 50 RS 485 interface 80 RS 485 network correct arrangement 81 wrong arrangement 81 RS 485 termination 32 S Self test ISOMETER 38 Service 9 SettingtheBMSbu...

Page 116: ... 96 Standards 95 Status number 109 Support 9 System leakage capacity adaptation 55 T Technical data 91 Terminating resistor 80 TEST button 38 Test current 20 61 Test of all bus nodes EDS test 68 Topology RS 485 81 Training courses 10 W Wiring 81 Wiring diagram 32 Workactivitiesonelectricalinstallations 13 workshops 10 ...

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