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Modbus register assignment of the ISOMETER®

isoEV425_D00126_09_M_XXEN/03.2019

8.2

Channel descriptions

Reserved

When reading, always 0
When writing, any value

Reserved

When reading, always 0
When writing, any value

Reserved

When reading, always 0
When writing, any value

Value

Measured value

description/alarm

message operating

message

Note

1 (0x01)

Insulation fault

71 (0x47)

Insulation fault

Insulation resistance

in Ω

76 (0x4C)

Voltage

Measured value in V

77 (0x4D)

Undervoltage

78 (0x4E)

Overvoltage

82 (0x52)

Capacitance

Measured value in F

86 (0x56)

Insulation fault

Impedance

101 (0x65)

Connection system

102 (0x66)

Connection earth

115 (0x73)

Device error

Fault ISOMETER®

129 (0x81)

Device error

145 (0x91)

Own address

Bit Display

indication

Description

Содержание AGH420

Страница 1: ...2019 ISOMETER isoEV425 isoEV425HC with AGH420 coupling device Insulation monitoring device for unearthed DC circuits IT systems for the charging of electric vehicles Software version D0430 V2 xx D0640...

Страница 2: ...5 Gruenberg Germany P O Box 1161 35301 Gruenberg Germany Tel 49 6401 807 0 Fax 49 6401 807 259 E mail info bender de Web www bender de Bender GmbH Co KG All rights reserved Reprinting only with permis...

Страница 3: ...2 Safety instructions 12 2 1 General safety instructions 12 2 2 Work activities on electrical installations 12 2 3 Intended use 13 3 Function 14 3 1 Device characteristics 14 3 2 Functional descriptio...

Страница 4: ...29 5 1 Display elements 30 5 2 Menu structure 31 5 3 Menu AL 32 5 3 1 Response value setting 32 5 4 Menu out 33 5 4 1 Configuration of the relay operating mode 33 5 4 2 Relay alarm assignment r1 and r...

Страница 5: ...the Master 42 7 3 Exception code 42 7 3 1 Structure of the exception code 42 8 Modbus register assignment of the ISOMETER 43 8 1 ISOMETER device specific data type 49 8 1 1 Device name 49 8 1 2 Measur...

Страница 6: ...f these symbols is explained below This manual is intended for electrically skilled per sons working in electrical engineering and electro nics DANGER This signal word indicates that there is a high r...

Страница 7: ...n Germany only 0700BenderHelp Tel and Fax E Mail support bender service com 1 2 2 Repair service Repair calibration update and replacement service for Bender prod ucts Repairing calibrating testing an...

Страница 8: ...eter setting maintenance troubleshooting for Bender products Analysis of the electrical installation in the building power quality test EMC test thermography Training courses for customers Telephone 4...

Страница 9: ...tandard software as part of deliveries modificationsandchanges to general delivery conditions for products and services in the electrical indus try set out by the ZVEI Zentralverband Elektrotechnik un...

Страница 10: ...sioning operation and maintenance of the device Unauthorised changes to the device made by parties other than the manufacturer Non observance of technical data Repairs carried out incorrectly and the...

Страница 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...

Страница 12: ...d regulations must be complied with The European stand ard EN 50110 can be used as a guide Only skilled persons are permitted to carry out the work ne cessary to install commission and run a device or...

Страница 13: ...stems with nominal system voltages of DC 0 1 000 V DC components existing in 3 N AC AC DC systems do not in fluence the operating characteristics when a minimum load current of DC 10 mA flows A separa...

Страница 14: ...with connection monitoring Selectable start up delay response delay and delay on release Two separately adjustable response value ranges of 1k 500 k Alarm 1 Alarm 2 Alarm signalling via LEDs AL1 AL2...

Страница 15: ...linsulationresistanceRF and the faulty conductor R using the following formula Also from a minimum value of the nominal system voltage the ISOMETER de termines the insulation resistance RUGF from the...

Страница 16: ...nd R2 can be found in the response value menu AL see table inChapter 5 3 The value R1 can only be set higher than the value R2 If the insulation resistance RF reaches or falls below the activated valu...

Страница 17: ...evice error with the parameter Err in the out menu in the alarm assignment Error codes If contrary to expectations a device error should occur error codes will ap pear on the display Some of these are...

Страница 18: ...meter in the menu SEt to S Ct off This allows the ISOMETER to enter measurement mode quickly after connecting the supply voltage Us Automatic self test The device runs a self test after connecting the...

Страница 19: ...t of the system connection may take considerable time due to system disturbances or may even provide incorrect results the system connection monitoring can be disconnected us ing the parameter nEt in...

Страница 20: ...nded that the value set for the S AL pa rameter value is identical for both relays 3 2 6 Measuring and response times The measuring time is the period essential for the detection of the measured value...

Страница 21: ...or the period of ton without interruption Every time the threshold value is exceeded within the time ton the response delay ton restarts once again Every alarm message listed in the alarm assignment h...

Страница 22: ...s case it can only be reset via the interface Only one ISOMETER may be control led via a test reset button A galvanic parallel connection of several test or re set inputs for testing multiple insulati...

Страница 23: ...y sends an ASCII data string with a cycle of approximately 1 second Communication with the ISOMETER within this mode is not possible and no additional transmitter may be connect ed to the RS 485 bus c...

Страница 24: ...sition the rear mounting clips so that they project beyond the enclosure a second mounting clip is required see ordering information Fix the device with two M4 screws see the following sketch DANGER R...

Страница 25: ...dimension diagram and sketches outlining how the device can be screw mounted and DIN rail mounting are shown below All dimensions in mm The front plate cover can be opened at the lower part marked wit...

Страница 26: ...urfaces If the AGH420 is operated at mains voltages 800 V the temperature of the enclosure may exceed 60 C Once the device is connected to the mains voltage avoid touching the surfaces of the device U...

Страница 27: ...for A1 A2 is to be used L1 L2 Connection to the 3 N AC AC or DC system to be monitored Up AK1 GND AK2 Connect the terminals of the AGH420 to the corresponding terminals of the ISOMETER T R Connection...

Страница 28: ...ces the pulse symbol will be hidden 3 Start a manual self test by pressing the test button T Whilst the test button is pressed and held down all display elements available for this device are shown Du...

Страница 29: ...gation and settings Up and down button navigate up or down in the menu settings increase or decrease values MENU Pressing the MENU Enter button for more than 1 5 s Starts menu mode or when the device...

Страница 30: ...e capacitance Ce 2 Monitored conductor 3 Voltage type DC Voltage type AC 4 Measured values and units 5 Password protection is activated 6 In the menu mode the operating mode of the respective alarm re...

Страница 31: ...r the history memory ESC Go to the next higher menu level Enter or t 5 min k R R k C F U L1 L2 V UL1 V UL2 V R U R k Standard display Measurement display Menu Esc Menu selection AL out t SEt InF HiS E...

Страница 32: ...resis value see table below the alarm will be cleared Also in the response value menu AL the parameters U and U for monitoring the nominal system voltage Un can be activated or de activated The maximu...

Страница 33: ...unsymmetrical insulation fault only the alarm correspond ing to the assigned conductor L1 or L2 will be displayed Otherwise the messages for L1 and L2 are shown together Relay K1 Relay K2 Description...

Страница 34: ...figuration FAC Factory setting Cs User settings r1 U V off r2 U V on Alarm Un Overvoltage r1 test off r2 test off Manually started device test r1 S AL off r2 S AL off Device start with alarm Display F...

Страница 35: ...Value range FAC Cs Adr 0 3 90 3 Bus adr Adr 0 deactivates BMS as well as Modbus and acti vates isoData with continu ous data output 115k2 8E1 Adr 1 1 2k 115k Baud rate BMS bus 9k6 7E1 1 2k 115k Modbus...

Страница 36: ...on Value range FAC Cs t 0 10 0 s Start up delay when starting the device ton 0 99 0 s Response delay K1 and K2 toff 0 99 0 s Delay on release K1 and K2 test OFF 1 24 24 h Repetition time device test D...

Страница 37: ...esistance after a maximum of 5 min The pulse symbol indicates a current measured value If this symbol does not appear the measurement is still run ning and the latest valid measured value will be disp...

Страница 38: ...C 1 20 kVDC Resolution 1 VDC 10 VDC U L2 V Residual voltage L2 PE UL2e 0 VDC 1 20 kVDC Resolution 1 VDC 10 VDC R Fault location in 100 100 Indication only from Un 100 VDC RL1F 200 RF 100 x RL2F 200 RF...

Страница 39: ...ice interface BMS bus protocol ASCII characters are used for the data transfer BMS channel no Operation value Alarm 1 RF Pre alarm R1 2 RF Alarm R2 3 Ce 4 Un Undervoltage 5 Un Overvoltage 6 Connection...

Страница 40: ...egisters of the ISOMETER using the function code 0x03 For this purpose the start address and the number of the registers to be read out have to be en tered Up to 125 Words 0x7D can be read out by one...

Страница 41: ...ster sends a command to the ISOMETER In this example the master addresses the ISOMETER with address 3 and re quests that the content of the register with address 3003 is set to 2 Byte Name Example Byt...

Страница 42: ...TER Modbus address 0x03 Byte 1 Function code 0x10 Byte 2 3 Start register 0x0BBB Byte 4 5 Number of registers 0x0001 Byte 6 7 CRC16 Checksum 0x722A Exception code Description 0x01 Impermissible functi...

Страница 43: ...with alarm 2 or only the device fault Register Measured value Device fault Without alarm Alarm 1 Alarm 2 1000 to 1003 RF Insulation fault 71 no alarm RF Insulation fault 1 pre warning RF Insulation f...

Страница 44: ...to Chapter 8 1 2 2 1016 to 1019 UL1e Voltage 76 no alarm 1020 to 1023 UL2e Voltage 76 no alarm 1024 to 1027 Fault location in 1022 no alarm 1028 to 1031 RUGF Insulation fault 71 no alarm 1032 to 1035...

Страница 45: ...002 RW Reserved 3003 RW Reserved 3004 RW Reserved 3005 RW Pre alarm value resistance meas urement R1 UINT 16 k R2 500 3006 RW Reserved 3007 RW Alarm value resistance meas urement R2 UINT 16 k 1 R1 300...

Страница 46: ...RW Operating mode of relay 2 r2 UINT 16 0 n o 1 n c 3015 RW Bus address Adr UINT 16 0 3 90 3016 RW Baud rate Adr 1 UINT 16 0 BMS 1 1 2 k 2 2 4 k 3 4 8 k 4 9 6 k 5 19 2 k 6 38 4 k 7 57 6 k 8 115 2 k 3...

Страница 47: ...d 3024 RW Test of the sys tem connection during devicetest nEt UINT 16 0 Inactive 1 Active 3025 RW Device test dur ing device start S Ct UINT 16 0 Inactive 1 Active 3026 RW Request stop mode 0 deacti...

Страница 48: ...vice test UINT 16 0x5445 TE 8006 WO Clear fault mem ory UINT 16 0x434C CL 9800 to 9809 RO Device name UNIT 16 ASCII refer to Chapter 8 1 1 9820 RO Software ID number UINT 16 9821 RO Software version n...

Страница 49: ...s 4 regis ters The first measured value register address is 1000 The structure of a channel is always identical Content and number depend on the device The structure of a channel is shown with the exa...

Страница 50: ...ting point value of the channels Presentation of the bit order for processing analogue measured values ac cording to IEEE 754 S Sign E Exponent M Mantissa Word 0x00 0x01 Byte HiByte LoByte HiByte LoBy...

Страница 51: ...alues are reserved The complete byte is calculat ed from the sum of the alarm type and the test type Bit 7 6 5 4 3 2 1 0 Description Test external Test internal Reserved Reserved Reserved Alarm Error...

Страница 52: ...t and the range of validity Bit 7 6 5 4 3 2 1 0 Description Unit 0 0 0 0 0 Invalid init 0 0 0 0 1 No unit 0 0 0 1 0 0 0 0 1 1 A 0 0 1 0 0 V 0 0 1 0 1 0 0 1 1 0 Hz 0 0 1 1 1 Baud 0 1 0 0 0 F 0 1 0 0 1...

Страница 53: ...unction Bit Display indication Description 0 Reserved When reading always 0 When writing any value 1 x Err Device error E xx 2 rx R1 Pre alarm R1 Fault RF at L1 3 rx R1 Pre alarm R1 Fault RF at L2 4 r...

Страница 54: ...e Value Measured value description alarm message operating message Note 0 1 0x01 Insulation fault 71 0x47 Insulation fault Insulation resistance RF in 76 0x4C Voltage Measured value in V 77 0x4D Under...

Страница 55: ...red value parameter inactive 1020 0x3FC Measured value parameter only temporarily inactive e g while transmitting a new parameter Indication in the menu 1019 0x3FB Parameter measured value value unit...

Страница 56: ...d in the menu out menu item Adr when it has been set to Adr 0 In this event the symbol Adr flashes on the measured value dis play String Description Start symbol v Insulation fault location 1234 5 Ins...

Страница 57: ...ation resistance RF at L2 0x000C Prewarning insulation resistance RF symmetrical 0x0010 Alarm insulation resistance RF at L1 0x0020 Alarm insulation resistance RF at L2 0x0030 Alarm insulation resista...

Страница 58: ...e category III Rated impulse voltage IC2 IC3 4 4 kV IC3 IC4 4 kV Rated insulated voltage IC2 IC3 4 250 V IC3 IC4 250 V Polution degree 3 Protective separation reinforced insulation between IC2 IC3 4 O...

Страница 59: ...2 isoEV425 1 490 k 100 k Operatinguncertainty Ran Ce 5 F 15 at least 1 k Operatinguncertainty Ran Ce 5 F und RF 100 k 5 Ran 100 k 10 Hysteresis Ran 25 at least 1 k Undervoltage detection 30 1 14 kV of...

Страница 60: ...120 0 25 W internal can be connected Device address BMS bus ModbusRTU 3 90 3 Switching elements Switching elements 2 x 1 N O contacts common terminal 11 Operating principle N C operation N O operation...

Страница 61: ...sleeve 0 25 2 5mm2 Multi conductor rigid 0 2 1 5 mm2 Multi conductor flexible 0 2 1 5 mm2 Multi conductor flexible with ferrules without plastic sleeve 0 25 1 5 mm2 Multi conductor flexible with TWIN...

Страница 62: ...th mounting clip Weight 150 g Technical data AGH420 Insulation coordination acc to IEC 60664 1 IEC 60664 3 Definitions Measuring circuit IC1 L1 L2 Control circuit IC2 AK1 GND AK2 Up E Rated voltage 10...

Страница 63: ...ssification of mechanicalconditions acc to IEC 60721 Stationary use IEC 60721 3 3 3M4 Transport IEC 60721 3 2 2M4 Long termstorage IEC60721 3 1 1M12 Connection Connection type screw type terminal or p...

Страница 64: ...1 mm Connectiontype terminalsUp AK1 GND AK2 Single cables for terminals Up AK1 GND AK2 Cable lengths 0 5 m Connection properties 0 75mm2 Other Operating mode Continuous operation Mounting cooling slot...

Страница 65: ...rtifications The ISOMETER has been developed in compliance with the following standards DIN EN 61557 8 VDE 0413 8 2015 12 Ber1 2016 12 IEC 61557 8 8 2014 COR1 2016 Subject to change The specified stan...

Страница 66: ...self test Art No isoEV425 D4 4 with AGH420 enabled yes yes B71036401 isoEV425 D4 4 with AGH420 enabled yes yes B91036401 isoEV425HC D4 4 with AGH420 enabled no yes B71036397 isoEV425 D49 4 with AGH420...

Страница 67: ...Technical data 67 isoEV425_D00126_09_M_XXEN 03 2019...

Страница 68: ...ess BMS 39 Modbus RTU 40 Delay on release 21 Device characteristics 14 Display elements 30 E Error codes 17 F Factory setting 22 Fault memory 22 Functional description 15 H History memory 22 37 How to...

Страница 69: ...perating time 21 Operation 29 Ordering information 66 P Password protection 22 R Reset button T R 22 Response delay time 21 Response times 20 Response value setting 32 S Self test 17 Automatic 18 Manu...

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Страница 72: ...Londorfer Str 65 35305 Gruenberg Germany P O Box 1161 35301 Gruenberg Germany Tel 49 6401 807 0 Fax 49 6401 807 259 E mail info bender de Web www bender de Photos Bender archive and bendersystembau ar...

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