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Bender A-Isometer IRDH 275, Руководство по эксплуатации

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TGH1361en/11.2009

6.  Serial interfaces

The A-ISOMETERs® IRDH275 and IRDH275B have differently designed se-
rial interfaces. 

6.1  RS485 interface with IsoData protocol (IRDH275)

Data transmission is continuously carried out and can neither be interrupted 
by the data slave station nor be influenced in any other way. This protocol 
cannot be used in combination with the BMS protocol.
For data evaluation via PC or Laptop, the terminal software "IsoData" and an 
interface converter of the ASCII-RS485/RS232 type is required.

Interface data:

z

RS485 interface galvanically isolated from the device electronics

z

Connection to terminal A and B

z

Maximum cable length 1200 m

z

Transmission protocol 9600 baud - 1 start bit - 1 stop bit - 8 data bit

z

After each valid measurement, the following data block is provided:

IRDH275

-RS485 and IsoData protocol
-galvanically isolated
-ASCII, unidirectional

IRDH275B

-RS485 and BMS protocol
-galvanically isolated
-ASCII, bidirectional

Содержание A-Isometer IRDH 275

Страница 1: ...l A ISOMETER IRDH275 IRDH275B Insulation monitoring device for IT AC systems with galvanically connected rectifiers and converters and for IT DC systems Software version IRDH275 D160 V1 4 Software ver...

Страница 2: ...berg Germany Postfach 1161 35301 Gr nberg Germany Tel 49 6401 807 0 Fax 49 6401 807 259 E mail info bender de com Web http www bender de com Dipl Ing W Bender GmbH Co KG All rights reserved Reprinting...

Страница 3: ...1 3 Explanations of symbols and warnings 9 1 4 Directions for installation 10 2 Function 11 2 1 Common characteristics IRDH275 and IRDH275B 11 2 2 Additional characteristics IRDH275B 11 2 3 Product d...

Страница 4: ...DH275B 42 5 5 Menu ISO ADVANCED Setting of the extended functions 43 5 5 1 External coupling devices AGH no 43 5 5 2 Adaptation to the system leakage capacitance Cemax 150 F 44 5 5 3 Changing the meas...

Страница 5: ...5B 53 6 3 Topology RS485 network IRDH275B 54 6 3 1 Correct arrangement 54 6 3 2 Wrong arrangement 54 6 3 3 Wiring 54 6 4 BMS protocol IRDH275B 55 6 4 1 BMS Master 55 6 4 2 BMS Slave 56 6 4 3 Commissio...

Страница 6: ......

Страница 7: ...the contract is concluded 1 2 Warranty and liability Warranty and liability claims in cases of damage to persons and property shall be excluded if they are attributable to one or more of the following...

Страница 8: ...s or dam age to property which may be sustained as a result of faults or errors in this operating manual 1 2 3 Hazards when handling the A ISOMETER IRDH275 The A ISOMETER IRDH275 is constructed accord...

Страница 9: ...nnected from the power system for the duration of these tests In order to check the proper connection of the device it is recommended to carry out a functional test Make sure that the basic settings m...

Страница 10: ...h the following factory setting Please check if the basic setting of the A ISOMETER complies with the re quirements of the system to be monitored Onlyoneinsulationmonitoringdevicemaybeusedineachinterc...

Страница 11: ...ing leads z Automatic device self test z Option W This option provides improved shock and vibration resistance for use in ships on rolling stock and in seismic environment 2 2 Additional characteristi...

Страница 12: ...e is superim posed on the IT system to be monitored measuring principle The measuring cycle consists of positive and negative pulses of the same ampli tude The period of these pulses depends on the re...

Страница 13: ...he self test is indicated on the display by a bar graph Depending on the conditions in the IT system to be monitored the self test is running for 15 20 seconds then the message Test ok appears on the...

Страница 14: ...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 TEST button 3 Switch the supply voltage off and on...

Страница 15: ...hour Interconnected IT systems When using A ISOMETERs in IT systems make sure that only one active A ISOMETER is connected in each interconnected system If IT systems are interconnected via coupling s...

Страница 16: ...angement with all coupling switches closed it can be assumed that all A ISOMETER s are deactivated In order to prevent this a BMS Master IRDH275B BMS address 1 monitors the condition of the function i...

Страница 17: ...ETERs disturb each other in interconnected sys tems In comparison to the solution coupling switches and function input F1 F2 the response time is prolonged since no continuous measurement takes place...

Страница 18: ...Function 18 TGH1361en 11 2009...

Страница 19: ...19 TGH1361en 11 2009 3 Commissioning flow chart threepart Due to limitations of space the three part flow chart begins on the next page...

Страница 20: ...1000 kW Scale centre point 120 kW Output current IRDH275 0 400 mA Output current IRDH275B 0 4 20 mA Connect the supply voltage Us to the terminals A1 and A2 Consider the details indicated on the namep...

Страница 21: ...all the basic setting be changed Alarm1 40 kW Alarm2 10 kW K1 K2 N O operation Memory off no yes Does one of the alarm LEDs light up Select ISO SETUP see chapter operation and setting no yes The insul...

Страница 22: ...ue Alarm 2 Check the connecting leads Is voltage Un applied to the terminals L1 L2 When a coupling device is used is it correctly connected Check the voltages with a voltmeter yes yes Remove the resis...

Страница 23: ...or the IT system coupling L1 L2 can be omitted if the wiring is carried out in such a manner as to reduce the risk of a short circuit to a minimum a short circuit proof and earth fault proof wiring is...

Страница 24: ...1 L2 L3 2 3 4 5 Un 3 AC System L2 L1 L L DC System L2 L1 Un L1 L2 AC System L2 L1 Un PE A1 A2 L1 L2 AK KE T1 T2 R1 R2 F1 F2 M M A B 11 12 14 21 22 24 IRDH275 B mA 120W K1 K2 1 6 7 8 9 10 11 12 13 Us U...

Страница 25: ...conductor L 6 Separate connection of and KE to PE 7 External TEST button NO contact 8 External RESET button NC contact or wire jumper when the terminals are open the fault message will not be stored...

Страница 26: ...nected to the A ISOMETER this coupling device extends the nominal voltage range to DC 1760 V in DC systems Please observe the settings in the ISO ADVANCED AGH menu Adapt the settings to the coupling d...

Страница 27: ...ling device extends the nominal voltage range to AC 7200 V in pure AC systems In case of 3 AC systems Pin 2 of AGH520S is to be connected to L1 in case of 3 N AC systems Pin 2 is to be connected to th...

Страница 28: ...the nominal volt age the type of rectification 6 pulse 12 pulse the type of converter in termediate circuit current or voltage and the converter technology In case of converters the maximum DC voltage...

Страница 29: ...ltage values for AC DC systems take into account values found by previous experience factor 1 414 between DC voltage and AC voltage The maximum DC voltage in case of insulation faults in the DC part o...

Страница 30: ...Connection 30 TGH1361en 11 2009...

Страница 31: ...change moving up in the menu 3 RESET button to delete insulation fault alarms Down key parameter change moving down in the menu 4 MENU key to activate the menu system Enter key confirmation param ete...

Страница 32: ...t at L insulation fault at L s new measurement has started 3 polarity of the measuring pulse valid bus communication signals H new entry in the memory data base C flashing clock is to be set 4 Message...

Страница 33: ...fer to the table of the status numbers on page 68 z COM Setup IRDH275 bus address Please have the details above on hand if you have a problem and if you con tact BENDER for technical questions Activat...

Страница 34: ...ub menu item confirming or storing a parameter change and going back to the associated sub menu item or going to the next input area ESC key Returning from a sub menu to the previous menu If you do no...

Страница 35: ...Operation and setting 35 TGH1361en 11 2009...

Страница 36: ...ted by the symbol padlock closed 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...

Страница 37: ...Autotest 24h 6 Clock 19 08 7 Date 01 01 01 8 Test 00 00 1 Exit 2 Alarm1 040 kW 3 Alarm2 010 kW 4 K1 N O 5 K2 N O 6 Memory on 7 M M 0 20 mA Nr 01 Nr 02 Power on 1 Exit 2 Addr 003 3 ISONet off 4 ISO Mon...

Страница 38: ...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...

Страница 39: ...SETUP 4 ISO ADVANCED 5 COM SETUP 6 PASSWORD 7 LANGUAGE 8 SERVICE Nr 01 Nr 08 Power on Nr 01 Nr 08 Clear all off Nr 01 Nr 08 28 08 01 17 43 Nr 02 Nr 08 Clear all off Nr 02 Nr 08 Rmin 010k Nr 02 Nr 08 2...

Страница 40: ...arm 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...

Страница 41: ...SETUP 6 PASSWORD 7 LANGUAGE 8 SERVICE 1 Exit 2 Alarm1 100 KW 3 Alarm2 200 KW 4 K1 N O 5 K2 N O 6 Memory off 7 M M 0 20 mA Alarm1 100 KW Alarm2 200 KW K1 N O K2 N O Memory off M M 0 20 mA K1 N O Test K...

Страница 42: ...current output of the IRDH275 can be set to 0 20 mA or 4 20 mA via the menu point M M The maximum load is 500 Function 0 20 mA RF insulation fault I current in mA Function 4 20 mA RF insulation fault...

Страница 43: ...RDH275 is connected to terminal 5 of the AGH520S The nominal voltage range is extended to AC 0 7200 V Only current converters with an output voltage not exceeding DC 1000 V are allowed to be connect e...

Страница 44: ...for the memory and for the automatic self test In case of failure of the supply voltage the real time clock keeps running for approximately 30 days When the device will be switched on after this peri...

Страница 45: ...PASSWORD 7 LANGUAGE 8 SERVICE 1 Exit 2 AGH no 3 Ce max 150 F 4 Measure AMP 5 Autotest 24h 6 Clock 21 09 7 Date 01 01 01 8 Test 12 00 AGH no Ce max 150 F Autotest 24h no 150 AK160 204 AK160 520S 204 A...

Страница 46: ...ISOMETER all other A ISOMETERs are in the STANDBY mode 5 6 3 ISO monitor IRDH275B This function allows to query the current measured value as well as the mes sages of all bus capable A ISOMETERs exist...

Страница 47: ...H275B 1 EXIT 2 HISTORY INFO 3 ISO SETUP 4 ISO ADVANCED 5 COM SETUP 6 PASSWORD 7 LANGUAGE 8 SERVICE 1 Exit 2 Addr 003 3 ISONet off 4 ISO Monitor Addr 003 ISONet off NO DATA R ADR 01 ISONet off ISONet o...

Страница 48: ...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 basic setting is 3 Status off that means that the pa...

Страница 49: ...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 8 2 Diagram Language IT SYSTEM R 010 M 1 EXIT 2 HIS...

Страница 50: ...or Internet application and our protocol con verter FTC470XET BMS Ethernet TCP IP are required Remote setting is possible for z Response value Alarm 1 1 10 000 k Y1 z Response value Alarm 2 1 10 000 k...

Страница 51: ...col For data evaluation via PC or Laptop the terminal software IsoData and an interface converter of the ASCII RS485 RS232 type is required Interface data z RS485 interface galvanically isolated from...

Страница 52: ...US US US US US End Measuring value e g 128 kW Response value Alarm1 e g 60 kW Response value Alarm2 e g 120 kW 30H No alarm 31H Alarm1 32H Alarm2 33H Alarm1 2 30H K1 off K2 off 31H K1 on K2 off 32H K...

Страница 53: ...BMS bus the BMS bus must be terminated at both ends with a 120 resistor An RS485 network that is not terminated is likely to get instable and may result in malfunctions Only the first and the last dev...

Страница 54: ...branches 6 3 1 Correct arrangement Three examples for correct arrangement 6 3 2 Wrong arrangement Three examples for wrong arrangement 6 3 3 Wiring A suitable type of cable for the wiring of the RS48...

Страница 55: ...their signals and then carries out specific commands Bus address 1 must be assigned to the Master thus to one of the IRDH275B devices 6 4 1 BMS Master A Master can query all warning and operating mes...

Страница 56: ...ress can be selected from the address range 1 30 When assigning the addresses also other devices such as the EDS47x 12 must be considered The correct reception of BMS data is indicated by a flashing p...

Страница 57: ...terminals A and B z Switch the supply voltage US on z Determine one IRDH275 as the Master and assign address 1 z Assign the addresses 2 30 subsequently to all other IRDH275B devices and other bus nod...

Страница 58: ...575 Insulation monitoring device 1 30 FTC470 Protocol converter 2 30 EDS47x 12 Insulation fault evaluators localisation 31 60 SMO480 12 Signal converter relay 61 90 EDS47xE 12 Insulation fault evalua...

Страница 59: ...e Us see nameplate AC 88 264 V Frequency range Us 42 460 Hz Supply voltage Us see nameplate DC 77 286 V IRDH 427 Supply voltage Us see nameplate DC 19 2 72 V IRDH275 Power consumption 14 VA Response v...

Страница 60: ...0 Accuracy current output 1 k 1 M 10 1 k Serial interface Interface Protocol IRDH275 RS485 ASCII IsoData Interface Protocol IRDH275B RS485 BMS Connection terminals A B Cable length 1200 m Shielded cab...

Страница 61: ...ion rigid flexible 0 2 4 mm2 0 2 2 5 mm2 Connection flexible with connector sleeve without with plastic sleeve 0 25 2 5 mm2 Conductor sizes AWG 24 12 Tightening torque 0 5 Nm Protection class internal...

Страница 62: ...vals The A ISOMETER was designed under consideration of the following standards DIN EN 61557 8 VDE 0413 8 1998 05 EN 61557 8 1997 03 IEC 61557 8 1997 02 EN 61326 DIN EN 60664 1 VDE 0110 1 2003 11 DIN...

Страница 63: ...ata IRDH275 B 63 TGH1361en 11 2009 7 3 Characteristic curves A ISOMETER response times in relation to system leakage capacitances of Ce 1 500 F Un 0 793 V 50 Hz 1 10 100 1000 1 10 100 1000 Ce F 10 M 0...

Страница 64: ...Technical data IRDH275 B 64 TGH1361en 11 2009 Max AC voltage between the IT system and earth in the frequency range 50 Hz 100 1000 10000 0 1 1 10 100 fn Hz Un V AGH520S AGH204S 4 IRDH275 0 3...

Страница 65: ...Technical data IRDH275 B 65 TGH1361en 11 2009 Current output 0 400 A only IRDH275 RF Insulation fault in k I Current output in mA RF kW I mA RF 400 mA x 120 kW I 120 kW...

Страница 66: ...Technical data IRDH275 B 66 TGH1361en 11 2009 Current output 0 20 mA IRDH275B RF Insulation fault in k I Current output in mA 1 10 100 1000 10 000 0 5 10 15 20 25 I mA RF kW RF 20 mA x 120 kW I 120 kW...

Страница 67: ...hnical data IRDH275 B 67 TGH1361en 11 2009 Current output 4 20 mA IRDH275B RF Insulation fault in k I Current output in mA 1 10 100 1000 10 000 0 5 10 15 20 25 I mA RF kW RF 16 mA x 120 kW I 4 mA 120...

Страница 68: ...Self test every hour 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...

Страница 69: ...a IRDH275 B 69 TGH1361en 11 2009 Dimension diagram enclosure IRDH275 B z DIN rail mounting according to IEC 60715 or z Screw mounting by means of a plug in trapezoidal support Order No 990056 Option W...

Страница 70: ...resistance A special varnish of the electronics provides higher resistance against me chanical stress and moisture This makes the devices suitable for use in ships on rolling stock and in seismic envi...

Страница 71: ...nstruments Type Measuring range Dimensions Art No 7204 1421 0 400 A 72 x 72 mm B 986 763 9604 1421 0 400 A 96 x 96 mm B 986 764 7204S 1421 0 400 A 72 x 72 mm B 986 804 9604S 1421 0 400 A 96 x 96 mm B...

Страница 72: ...Technical data IRDH275 B 72 TGH1361en 11 2009...

Страница 73: ...ommon characteristics 11 Coupling devices ordering details 71 wiring diagram 26 Current output 0 400 mA 65 Current output 4 20 mA 67 D Device fault LED 13 Dimension diagram enclosure IRDH275 69 Direct...

Страница 74: ...85 interface 53 S Self test A ISOMETER 31 Setting the bus address for IRDH275B 46 Setting the date IRDH275B 44 Setting the language of the fault message 49 Setting the operating principle of the alarm...

Страница 75: ......

Страница 76: ...Dipl Ing W Bender GmbH Co KG Londorfer Str 65 35305 Gr nberg Germany Postfach 1161 35301 Gr nberg Germany Tel 49 6401 807 0 Fax 49 6401 807 259 E Mail info bender de com Web http www bender de com...

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