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iso415R-x_D00401_00_M_XXEN / 04.2021 9

ISOMETER® iso415R

2.3.1 Insulation fault R

F

The insulation fault R

F

is measured in the range of 1 kΩ to 10 MΩ in unearthed 3(N)AC, AC, DC and

DC superimposed AC systems and output in the range of 1 kΩ to 1 MΩ via the value display LEDs.
R

F

can be read from the interface register "Insulation resistance" in the range of 1 kΩ to 10 MΩ.

With each update of the measured value R

F

, the Modbus register "Measured value update coun-

ter" is incremented.

The two response values R

an1

and R

an2

are available for the limit value comparison. The two values

are set either manually via the detent potentiometers or in the "Ext" position via the interface reg-
isters "Response value R

an1

" and "Response value R

an2

".

If R

F

falls below the limit values R

an1

or R

an2

without interruption for the duration of t

on

, the respec-

tive alarm AL1 or AL2 is set. If R

F

exceeds the respective limit values plus hysteresis without inter-

ruption for the duration of t

off

, the respective alarms AL1 or AL2 are deleted if the fault memory is

disabled.

The alarms AL1 and AL2 can be assigned to relay K1 via the interface registers "Alarm assignment
Alarm 1" and "Alarm assignment Alarm 2".

2.3.2 Insulation fault location R%

If the ISOMETER® detects a DC offset to earth of at least 10 V in the monitored system, the insula-
tion fault location R% is assigned to the positive or negative conductor with + or - 100 %. This can
occur when monitoring a DC system or an AC system with an insulation fault in the DC link. In the
case of symmetrical faults or below 5 V, R% is set to 0. The value of R% can be read via the inter-
face register "Insulation fault location".

2.3.3 System leakage capacitance C

e

If the measured value acquisition does not work due to an excessive system leakage capacitance
C

e

or excessive disturbances in the system, the message "max. C

e

/fault" appears and is indicated

by the LEDs. The message can be assigned to relay K1 via the interface register "Alarm assignment
max. C

e

/fault".

2.3.4 Connection monitoring L1/L2

The connection monitoring L1/L2 continuously checks the low-resistance connection between
the terminals L1 and L2 of the ISOMETER® via the system to be monitored. If the resistance is too
high, the alarm L1/L2 is triggered and indicated by the LEDs.

The alarm can be assigned to relay K1 via the interface register "Alarm assignment L1/L2".

If the fault memory is not enabled, the alarm is automatically cleared after the connection fault
has been eliminated. Connection monitoring can be disabled via the interface register
"Connection monitoring L1/L2".

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Содержание ISOMETER iso415R

Страница 1: ...Manual EN iso415R x_D00401_00_M_XXEN 04 2021 ISOMETER iso415R Insulation monitoring device for unearthed 3 N AC AC and DC systems IT systems ...

Страница 2: ... 3 cents 30 sec remaining time 6 3 cents min Mobile phone higher depending on mobile phone tariff Repair service Repair calibration and replacement service Londorfer Strasse 65 35305 Grünberg Germany Telephone 49 6401 807 780 technical issues or 49 6401 807 784 785 commercial issues Fax 49 6401 807 789 E mail repair bender service de Field service On site service Telephone 49 6401 807 752 762 tech...

Страница 3: ...tructions 8 2 3 Functional description 8 2 3 1 Insulation fault RF 9 2 3 2 Insulation fault location R 9 2 3 3 System leakage capacitance Ce 9 2 3 4 Connection monitoring L1 L2 9 2 3 5 Connection monitoring E KE 10 2 3 6 Manual self test 10 2 3 7 Malfunction 10 2 3 8 Alarm assignments to the alarm relay 10 2 3 9 Delay times tb t ton and toff 10 2 3 9 1 Recovery time tb 10 2 3 9 2 Start up delay t ...

Страница 4: ... 17 4 1 4 Detent potentiometer response value prewarning Ran1 17 4 1 5 Detent potentiometer response value main alarm Ran2 18 4 1 6 T R BUTTON 18 4 1 6 1 RESET function 18 4 1 6 2 TEST function 18 4 1 6 3 NFC function 19 4 1 6 4 ADDR function 19 4 1 6 5 Write access to Modbus registers 20 5 Modbus settings 21 5 1 Overview 21 5 1 1 Read and write accesses 21 5 1 2 Data types 21 5 1 3 Register range...

Страница 5: ...ates a medium risk of danger that can lead to death or serious injury if not avoided I Caution Indicates a low level risk that can result in minor or moderate injury or damage to property if not avoided i Information can help to optimise the use of the product 1 2 1 Signs and symbols Disposal Recycling Temperaturerange Protectfrommoisture Protectfromdust RoHSdirectives 1 3 Training courses and sem...

Страница 6: ...operation and maintenance of the device Unauthorised changes to the device made by parties other than the manu facturer Non observance of technical data Repairs carried out incorrectly Use of accessories and spare parts not recommended by Bender Catastrophes caused by external influences and force majeure Mounting and installation with device combinations not recommended by the manufacturer This o...

Страница 7: ...lation resistance of unearthed 3 N AC AC and DC main and control circuits IT sys tems The range of application and the maximum permissible system leakage capacitance of the different models are specified in the chapter Technical data The DC components existing in AC DC systems can have an influence on the response behaviour if an insulation fault occurs downstream of rectifiers with an electrolyti...

Страница 8: ...ed system In IT sys tems that are interconnected via coupling switches ISOMETER s that are not re quired must be disconnected from the IT system or deactivated If IT systems are coupled via capacitances or diodes central control of the various ISOMETER s must be provided i Prevent measurement errors In galvanically coupled DC circuits an insulation fault can only be detected correctly if a minimum...

Страница 9: ...2 2 3 2 Insulation fault location R If the ISOMETER detects a DC offset to earth of at least 10 V in the monitored system the insula tion fault location R is assigned to the positive or negative conductor with or 100 This can occur when monitoring a DC system or an AC system with an insulation fault in the DC link In the case of symmetrical faults or below 5 V R is set to 0 The value of R can be r...

Страница 10: ...uding the relay function should be checked annually 2 3 7 Malfunction If an internal device error occurs the status LED lights up RED The error code can be queried via the device interfaces 2 3 8 Alarm assignments to the alarm relay Based on the table 3 2 1 3 Relay on page 15 the alarms can be assigned to the relay via the device interface 2 3 9 Delay times tb t ton and toff The times tb t ton and...

Страница 11: ...r the Modbus interface are not reset 2 3 10 2 Factory settings including interface parameters After restoring the factory settings all previously changed settings including the settings for the Modbus interface and the device address are reset to the state upon delivery 2 3 11 Fault memory The fault memory can be enabled or disabled via the interface register Fault memory Stored alarms are reset b...

Страница 12: ...arries the risk of A fatal electric shock Damage to the electrical installation Destruction of the device Before installing and connecting the device make sure that the installation has been de energised The rules for working on electrical systems must be observed 3 1 Mounting Abb 3 1 Dimensions in mm 18 8 8 100 109 93 64 48 5 45 1 65 35 2 x Ø 4 2 18 8 8 100 109 93 64 48 5 45 1 65 35 2 x Ø 4 2 Scr...

Страница 13: ...Terminal Connection L1 L2 iso415R 2 NominalsystemvoltageUn Un Us E KE Earth Controlearth 11 14 12 AlarmrelayK1 iso415R 24 Us DC 24Vfloating iso415R 2 Nofunction COM A B RS 485interface A B 14 12 11 24 V COM K1 iso415R 24 KE E L1 L2 U n Us DC 24 V floating iso415R 2 A B 14 12 11 COM K1 Un Us AC DC100 240V KE E L1 L2 U n 3AC 3NAC AC DC L1 L2 L3 PE L1 L2 KE E 2A 2A COM465IP RS 485 J Y St Y 2x0 6 A B ...

Страница 14: ... on the ferrule i For a cross section of 1 mm or more use suitable crimping pliers similar to the models CRIMPFOX 6 Weidmüller PZ6 or Weidmüller PZ6 5 3 2 1 1 Supply voltage US 10 1 5 10 1 5 10 1 5 10 1 5 10 1 5 10 1 5 10 1 5 10 1 5 10 1 5 S2 L1 L2 L3 N Verbraucher Load S1 A1 US A2 RS 485 B A 24 V optional 11 14 12 S1 k S2 l L1 US L2 iso415R 24 The iso415R 24 is supplied with DC 24 V via the and t...

Страница 15: ...lating of the relay con tacts Damaged contacts prevent the re lay from switching correctly at low con tact currents S2 L1 L2 L3 N Verbraucher Load S1 A1 US A2 RS 485 B A 24 V optional 11 14 12 S1 k S2 l Function State Description Relay mode NOprinciple NCprinciple Therelaymodecanbeadaptedtotheapplication N C NC operation of the contacts 11 14 12 In fault free condition the alarm relay is energised...

Страница 16: ...ENTPOTENTIOMETER 2 ResponsevaluemainalarmRan2 F T RBUTTON Test Reset i To confirm a new detent potentiometer positi on the new position is output for a few seconds as a binary code 1 left stop 10 Ext via the value display LEDs The LED 1k is the least sig nificant bit LSB Ext 700 400 200 100 70 40 20 10 5 Ran1 kΩ Ext 1k 700 400 200 100 70 40 20 10 10 1 kΩ 2 AL 1 ON AC DC kΩ L1 L2 E L1 L2 KE LED Ope...

Страница 17: ... ON AC DC kΩ 11 12 14 B A LED Operating state AL1 PREWARNING Lightspermanentlywhenthevaluefallsbelowtheprewarning thresholdRan1 AL2 MAINALARM Lightspermanentlywhenthevaluefallsbelowthemainalarm thresholdRan2 iso415R T R Ran2 kΩ Ext 700 400 200 100 70 40 20 10 5 Ran1 kΩ Ext 1k 700 400 200 100 70 40 20 10 1k 100 10 1 kΩ 2 AL 1 ON AC DC kΩ L2 E L2 KE 11 12 14 B A LED Operating state 1 Lightspermanent...

Страница 18: ...and editing modes depending on how long it is pressed Overview 4 1 6 1 RESET function The RESET function resets stored alarm states and disables the limit value hysteresis for that mo ment 4 1 6 2 TEST function The TEST function simulates an insulation fault for 5 seconds During this period the device has the following states Display of the alarm value via the LEDs and the interface The relays swi...

Страница 19: ...ld T R button once 2 s to confirm After releasing the T R button the status LED lights GREEN 3 Set TENS DIGIT Briefly press the T R button several times until the desired value is set Press and hold the T R button once 2 s to confirm After releasing the T R button the status LED lights BLUE 4 Set UNITS DIGIT Briefly press the T R button several times until the desired value is set Press and hold t...

Страница 20: ...ccess can only be disabled but no longer ena bled If the T R button is pressed for at least 20 seconds the status LED changes from steady green to flashing violet and remains in this state for 5 seconds if the button is held down If the T R button is released during the period in which the status LED flash es violet the state of the Modbus register Write access changes from the current to the alte...

Страница 21: ...READ WRITE read and write access WO WRITE ONLY write access only 5 1 2 Data types Float IEEE754 32 bit single precision floating point number Int16 Signed 16 bit integer Int32 Signed 32 bit integer Uint16 Unsigned 16 bit integer Uint32 Unsigned 32 bit integer String UTF8 ASCII character string 5 1 3 Register areas Range Start address End address Info 0 99 Measurement status 999 3999 Alarm status 2...

Страница 22: ...15 0 reserved N A Alarm and measured values 999 1999 999 Numberofactivealarms Uint16 2 RO 0 7 N A 1000 InsulationresistanceRF Uint16 2 RO 0 10000 kΩ N A 1001 Alarm 1 Uint16 2 RO 0 Noalarm 2 Alarm measuredvaluebelowRan1 N A 1002 Alarm 2 Uint16 2 RO 0 Noalarm 2 Alarm measuredvaluebelowRan2 N A 1003 MeasuringrangestatusRF Uint16 2 RO 0 withinmeasuringrange1kΩ 10MΩ 1 belowmeasuringrange 2 measuringran...

Страница 23: ...teaccessdisabled CAUTION Writingofallparametersisdisabled enablingisonlypossibleviatheT Rbutton 1 Relay 32100 32199 32100 Relaymode Uint16 2 RW 1 NOprinciple 2 NCprinciple 2 32101 Alarmassignmenttest Uint16 2 RW 0 Disabled 1 Enabled 1 32102 Alarmassignment deviceerror Uint16 2 RW 0 Disabled 1 Enabled 1 32103 Alarmassignment prewarningRan1 Uint16 2 RW 0 Disabled 1 Enabled 0 32104 Alarmassignment ma...

Страница 24: ...oold Uint16 2 RO Errorcode 321 N A 58004 Errornofirmwareinformation Uint16 2 RO Errorcode 325 N A 58005 Errormeasurementtechnol ogytimeout Ce toohighor disturbancesinthesystem Uint16 2 RO Errorcode 405 N A 58006 Calibrationerror Uint16 2 RO Errorcode 600 N A 58007 Writeprotectionerror Uint16 2 RO Errorcode 631 N A 58008 Readprotectionerror Uint16 2 RO Errorcode 651 N A 58009 Errormeasurementtechno...

Страница 25: ... device lights up If the device receives the value 0 the function is stopped N A Function 4 Reset to factory settings Reset parameters 60000 Function selection Uint16 2 WO 4 Selection of Reset to factory settings Reset parameters function N A 60001 Pattern value part 1 Uint16 2 WO 64199 Safety pattern must be written for the function to be executed N A 60002 Pattern value part 2 Uint16 2 WO 1304 S...

Страница 26: ...selection Uint16 2 WO 7 Selection of Reset function N A 60001 Pattern value part 1 Uint16 2 WO 13623 Safety pattern must be written for the function to be executed N A 60002 Pattern value part 2 Uint16 2 WO 0 Safety pattern must be written for the function to be executed N A 60003 Type of reset Uint16 2 WO 1 Reset of the alarm message when fault memory is enabled N A ...

Страница 27: ...relay for proper function replace device if necessary Assign alarm sources Relays do not de en ergise No alarm reset due to sticking or defective relay Switching current 5 A Replace device if necessary Observe technical data of the switching output No switching of the relay due to excessive preloads on contacts Observe technical data of the switching output Enclosure Broken screw mount ing bracket...

Страница 28: ...uring voltage Um 16 V Measuring voltage Im at RF ZF 0 Ω 90 μA Internal resistance Ri Zi 180 kΩ Permissible system leakage capacitance Ce 25 μF Permissible extraneous DC voltage Ufg 500 V Response values Response value Ran1 10 1000 kΩ 40 kΩ Response value Ran2 5 700 kΩ 10 kΩ Relative uncertainty Ran 15 2 kΩ Hysteresis Ran 25 minimum 1 kΩ Time response Response time tan at RF 0 5 x Ran and Ce 1 μF a...

Страница 29: ...nting cooling slots must be ventilated vertically Degree of protection internal components DIN EN 60529 IP30 Degree of protection terminals DIN EN 60529 IP20 Enclosure material polycarbonate DIN rail mounting acc to IEC 60715 Flammability class UL94 V 0 Documentation number D00401 Weight 100 g Factory setting 1 Can be parameterised via app and Modbus 2 When supplied by or when monitoring systems w...

Страница 30: ...30 iso415R x_D00401_00_M_XXEN 04 2021 ...

Страница 31: ...iso415R x_D00401_00_M_XXEN 04 2021 31 ISOMETER iso415R ...

Страница 32: ... de www bender de All rights reserved Reprinting and duplicating only with permission of the publisher Bender GmbH Co KG PO Box 1161 35301 Grünberg Germany Londorfer Str 65 35305 Grünberg Germany Tel 49 6401 807 0 Fax 49 6401 807 259 E mail info bender de www bender de iso415R x_D00401_00_M_XXEN 04 2021 pdf Bender GmbH Co KG Germany Subject to change The specified standards take into account the e...

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