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Bender ISOMETER isoNAV685-D-B, Manual

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Bender ISOMETER isoNAV685-D-B Manual Download Page 42

isoNAV685-D-B_D00264_03_M_XXEN/06.2017

42

13.  Alarm messages

Alarm message

Description

Measures

Reference

LED indicators

Check E-KE connections 
for interruptions!

No low-resistance connection between terminals E and 
KE to earth (PE)

• Check the wiring of terminals E and KE to earth (PE)
• Press the test button

“Connection” on 
page 16

ALARM 1 + ALARM 
2 flash in common 
mode

Service mode active!

The device is in maintenance condition

• Contact Bender Service

SERVICE lights up

No DHCP server found!

Connection problem at the Ethernet interface

• Check cable connection at the Ethernet interface
• Check the DHCP server's availability
• Check the DHCP's interface configuration in the device

“DHCP” on page 34

Check time and date!

Time and date have not been set yet

• Set local time and date 

(in case of voltage failure a buffer for three days)

“Clock” on page 33

Load on X1 too high! 

Sum of the external loads on X1 is too high

• Check load at X1.+, X1.Q1 and X1.Q2
• Check ambient temperature

Device error x.xx

Internal device fault

• Press the TEST button
• Switch the supply voltage off and on
• Contact  Bender  Service

SERVICE lights up

Summary of Contents for ISOMETER isoNAV685-D-B

Page 1: ...EN Manual isoNAV685 D B_D00264_03_M_XXEN 06 2017 ISOMETER isoNAV685 D B Insulation Monitoring Device for IT AC systems with galvanically connected rectifiers and inverters and for IT DC systems ...

Page 2: ...o KG All rights reserved Reproduction only with permission of the publisher Subject to change Customer service Service Hotline 0700 BenderHelp Telephone and Fax Carl Benz Straße 8 35305 Gruenberg Germany Tel 49 6401 807 760 Fax 49 6401 807 629 E Mail info bender service com PLEASE READ THIS MANUAL AND ANY ACCOMPANYING DOCUMENTS CAREFULLY AND KEEP THEM IN A SECURE PLACE FOR FUTURE REFERENCE ...

Page 3: ...isplay elements and device buttons 14 5 Mounting 15 5 1 General instructions 15 5 2 Screw mounting 15 5 3 DIN rail mounting 16 6 Connection 16 6 1 Connection requirements 16 6 2 Connection to a 3 N AC system system type 3AC 18 6 3 Connect to a frequency converter to monitor in the off state Offline 18 6 4 Connection to the X1 interface 19 6 5 Connection to the supply voltage 19 6 6 Connection to t...

Page 4: ... 1 1 8 5 Buzzer 33 10 1 1 8 5 1 TEST 33 10 1 1 8 5 2 Function 1 33 10 1 1 8 5 3 Function 2 33 10 1 1 8 5 4 Function 3 33 10 1 2 0 Data measured values 33 10 1 3 0 Control 33 10 1 4 0 History 33 10 1 5 0 Device settings 33 10 1 5 1 Language 33 10 1 5 2 Clock 33 10 1 5 2 1 Time 33 10 1 5 2 2 Format time 33 10 1 5 2 3 Summer time 34 10 1 5 2 4 Date 34 10 1 5 2 5 Format date 34 10 1 5 2 6 NTP 34 10 1 ...

Page 5: ...al data 44 15 1 Tabular data 44 15 2 Standards and certifications 46 15 3 Ordering details 47 16 Glossary 48 17 Modbus settings 49 17 1 General information 49 17 2 Data access by means of Modbus TCP Protokoll 49 17 2 1 Exception code 49 17 2 2 Modbus request 49 17 2 3 Modbus response 50 17 2 4 Structure of exception code 50 17 3 Measuring value information 50 17 3 1 High byte test status 50 17 3 2...

Page 6: ...ser in making optimum use of the product DANGER WARNING CAUTION 1 2 Technical support For commissioning and troubleshooting Bender offers you 1 2 1 First level support Technical support by phone or e mail for all Bender products Questions concerning specific customer applications Commissioning Troubleshooting Telephone 49 6401 807 760 Fax 49 6401 807 259 In Germany only 0700BenderHelp Tel and Fax ...

Page 7: ...stry set out by the ZVEI Zentralverband Elektrotechnik und Elektronikindustrie e V German Electrical and Electronic Manufacturer s Association also applies Sale and delivery conditions can be obtained from Bender in printed or electronic format 1 5 Inspection transport and storage The devices must only be stored in areas where they are protected from dust damp and spray and dripping water and in w...

Page 8: ...ety information Make sure that the basic settings meet the requirements of the IT system Children and unauthorised persons must not have access to or contact with the ISOMETER Make sure that the operating voltage is correct Prior to insulation and voltage tests the ISOMETER must be disconnected from the IT system for the duration of the test In order to check the correct connectionofthedevice afun...

Page 9: ...hing frequencies of frequency inverters 2 20 kHz 2 4 Intended use The ISOMETER isoNAV685 D B monitors the insulation resistance of loads that are switched off These loads which are temporarily or mostly switched off are powered by TN TT or IT systems The internal mains switch has a circuit capacity of AC 0 690 V and DC 0 1000 V Due to the separate supply voltage de energised systems can also be mo...

Page 10: ...The insulation resistance of the L1 L2 and L3 coupling paths is measured sequentially This means that faults are not only measured but they can also be localized or located The test time may vary e g it may be longer depending on the leakage capacitance To obtain a measurement the device has to be connected between the IT system un earthed system and the protective earth conductor PE A measuring c...

Page 11: ...rated web server for reading out measured values and for parameter setting 3 5 Self test After switching on the supply voltage the ISOMETER automatically and continuously checks all internal measuring functions the components of the process control such as the data and parameter memory as well as the connections to the IT system and earth The self test can also be activated manually by means of th...

Page 12: ...isoNAV685 D B_D00264_03_M_XXEN 06 2017 12 4 Device overview 4 1 Dimensions 108 mm 110 mm m m 3 9 ...

Page 13: ...to the IT system to be monitored L3 Connection to the IT system to be monitored KE E Connection to PE Top ON Display RESET DATA LEDs SERVICE ALARM 1 ALARM 2 MENU ESC TEST INFO OK X3 X3 Optional expansion module for Bender devices e g BB Bus ETH X1 Digital interface ETH Ethernet interface R Selectable resistance R 11 12 14 Connector for alarm relay 1 21 22 24 Connector for alarm relay 2 Bottom ...

Page 14: ...ARM 2 lights when the insulation resistance of the IT system falls below the set response value Ran2 1 7 8 9 10 11 2 3 4 5 6 Device buttons You can adjust the device settings in the respective menu using the menu buttons Depending on the menu entry one of the options displayed below is assigned to the buttons 6 MENU Opens the device menu ESC Cancels the current process or navigates one step back i...

Page 15: ...electrical installation Destruction of the device Before installing and connecting the device make sure that the in stallation has been de energised Observe the rules for working on elec trical installations DANGER 5 2 Screw mounting 18 Fix the three mounting clips delivered with the device two of them packed separa tely manually or using a tool as illustrated below 19 Drill the mounting holes for...

Page 16: ...rical installation Destruction of the device Before installing and connecting the device make sure that the in stallationhas been de energised Observe the rules for working on elec trical installations Risk of electric shock Nominal voltages up to 1000 V may be present on the terminals L1 to L3 which can be lethal Make sure the terminal covers are properly mounted and clicked in before putting the...

Page 17: ...insulation monitoring device is con nected in each conductively connected system Risk of property damage due to unprofessional installation The connecting lines L1 L2 L3 to the system to be monitored must be carried out as spur lines Inadmissible load current can result in damage to property and personal injury Do not apply any load current to the ter minals Check proper connection Prior to commis...

Page 18: ...h a manner as to reduce the risk of a short circuit to a mini mum Ensure short circuit proof and earth fault proof wiring The ISOMETER may only be used for monitoring de energized sys tems The device must be deactivated via the digital input before the mains voltage is switched on WARNING L1 L2 L3 N PE US 6A Un 6 3 Connect to a frequency converter to monitor in the off state Offline The ISOMETER m...

Page 19: ...2 Output 1 24 V 6 5 Connection to the supply voltage ExternalPowersupplyforpoweringtheISOMETER viaterminalX1 must fulfil immunity and emission standards of the required appli cation For wiring longer than 1 m the use of a shielded cable is prescribed Danger of damage to property due to faulty connections The device can bedamaged if the unit is simultaneously connected to the supply voltage via the...

Page 20: ... 6 6 Connection to the Ethernet interface Position the terminal cover and click it into place 6 7 Connection to the relay 1 interface 11 12 14 Position the terminal cover and click it into place 11 12 14 Relay 1 Common contact Normally open n o Normally closed n c ...

Page 21: ...ction isoNAV685 D B_D00264_03_M_XXEN 06 2017 21 6 8 Connection to the relay 2 interface 21 22 24 Position the terminal cover and click it into place 21 22 24 Relay 2 Common contact Normally closed n c Normally open n o ...

Page 22: ...ings Commissioning This menu can be used to modify settings made previously For customer specific configured devices the commissioning wizard might be deactivated and cannot be run In this case the device is preset However the commissioning wizard can be started as described at Display on page 23 Observe device status The device is in an alarm state until initial commissioning has been completed O...

Page 23: ...act the device can measure The signal quality of the measurement does not suit the selected pro file Select a different measurement profile Update period between the test pulses IT System OK L1 230 kΩ L2 250 kΩ L3 130 kΩ R an 50kΩ OK L1 230 kΩ L2 250 kΩ L3 130 kΩ 8 2 Fault display active An active fault is displayed by The upper part of the display will become orange and displays the fault message...

Page 24: ...means that there has been a fault in the past but the device is no longer in fault condition 230 kΩ IT System 3x 1 4 230 kΩ If several fault messages occur you can navigate through the faults using the and button In addition to the type of fault and the associated alarm value you can see when the fault has occurred and how long it has been active Insulation fault 28 03 14 17 02 28 03 14 17 18 2 4 ...

Page 25: ...urns to the standard display RESET 3 2 Reset current messages All messages are saved in the history memory Cancel RESET 8 5 History memory Up to 1023 alarm messages and device errors are stored in the history memory with date and time stamp When the history memory is deleted the minimum insulation resistance Rmin will also be reset under Menu Data Measured values Data insulation Reset Historie 4 1...

Page 26: ...itial measurement During the initial measurement the device records all measured values All measured values that may have been recorded before will be discarded if a new initial measurement is started IT System R an 40kΩ 10kΩ Initial measurement Initial measurement ...

Page 27: ...Function 1 4 Function 2 5 Function 3 3 Digital 1 1 Test 2 Relay mode 3 Function 1 4 Function 2 5 Function 3 4 Digital 2 1 Test 2 Relay mode 3 Function 1 4 Function 2 5 Function 3 5 Summer 1 Test 2 Function 1 3 Function 2 4 Function 3 2 Data meas values 3 Control 4 History 5 Device settings 1 Language 2 Clock 1 Time 2 Format 3 Summer time 4 Date 5 Format 6 NTP 7 NTP Server 8 UTC 3 Interface 1 Write...

Page 28: ... You can move to the left or the right to set different values using the and buttons The value po sitioned between the symbols is the val ue that is set Text input Go step by step through the numbers and letters indicated on the display by using the button forwards and the button backwards Navigate to the right using the button to enter the next character To delete a character that has been en ter...

Page 29: ...l output 2 on If a fault becomes inactive the programmed outputs remain in fault condition until they are reset manually off If a fault becomes inactive the programmed outputs auto matically change the state t R an1 Alarm 1 aktiv Alarm 1 inaktiv Δ 25 0 5 kΩ 10 1 1 2 Profile The ISOMETER profile is set to Offline 10 1 1 3 System type The device is set to a 3AC system 10 1 1 4 Device Set the ISOMETE...

Page 30: ... response time t on after a switch on signal can be set between 100 milliseconds and 300 seconds refer to 10 1 1 7 1 1 Mode 10 1 1 7 1 3 t off The response time t off after a switch off signal can be set between 100 milliseconds and 300 seconds refer to 10 1 1 7 1 1 Mode 10 1 1 7 1 4 Function The parameters for the function of the digital inputs of the ISOMETER can be set differently Active low An...

Page 31: ... in fault free condition the alarm relay is energised N O Normally opened N O operation contacts 11 12 14 21 22 24 infault free condition the alarm relay isde energised 1 Response Function 1 Function 2 Function 3 Select the appropriate setting for function 1 The following parameters can be set off The function is not used Ins Alarm 1 The status of the output changes when the value falls below the ...

Page 32: ... Mode The following settings can be used to set the operating mode for the digital output 10 1 1 8 3 2 Function 1 Refer to 10 1 1 8 1 3 Function 1 10 1 1 8 3 3 Function 2 Refer to 10 1 1 8 1 3 Function 1 10 1 1 8 3 4 Function 3 Refer to 10 1 1 8 1 3 Function 1 10 1 1 8 4 Digital 2 Active In the active mode 24 V will be internally applied across the output Passive In the passive mode 32 V are exter...

Page 33: ...est activates the buzzer sound off The manual test does not activate the buzzer sound Insulation data Display the insulation resistance of the three coupling paths L1 L2 L3 TEST Manual device test RESET Reset of fault and alarm messages 10 1 4 0 History In the history menu the faults detected by the ISOMETER are displayed For a detailed functional description refer to History memory on page 25 10 ...

Page 34: ...he official time change dd mm yy day month year mm dd yy month day year 10 1 5 2 6 NTP Select if you would like to synchronise the current time via NTP 10 1 5 2 7 NTP server Set NTP server 10 1 5 2 8 UTC Set the time according to UTC coordinated world time For Germany set 1 for winter time MEZ and 2 for summer time MESZ 10 1 5 3 Interface Set the parameters for the connection of other devices to t...

Page 35: ...n the system and ensure correct communication 10 1 5 3 3 4 Timeout Set the timeout for messages between 100 ms 10 s This time specification defines the maximum permissible time for a device to respond off Deactivate automatic IP address assignment 10 1 5 3 3 5 TTL for subscription Set a time between 1 s 1092 min This time defines the intervals at which the ISOMETER sends messages to e g a gateway ...

Page 36: ... accessed by Bender Service staff 10 1 6 0 Info The ISOMETER s current settings can be viewed in the Info menu Navigate through the different views using the and buttons on Password query active off Password query inactive Save The ISOMETER saves your device settings Restore The ISOMETER restores your initial device settings Device Device name serial number article number Software Software version...

Page 37: ...work e g for parameter setting etc but it cannot communicate with other devices 11 3 Modbus TCP Modbus is an international widely used protocol for data transfer between devices All measured values messages and parameters are stored in virtual register addresses Data can be read out with a read command on the register address With a write com mand data can be written into a register address The re...

Page 38: ...rameter setting of the device Easy assignment and edition options of device and measuring channel texts Maintenance Data storage of specific events for fast support by Bender Service A maximum of 5 TCP IP connections can be used simultaneously Only one device may access the web server at the same time If several de vices try to access the web server it may result in timeouts Web server device menu...

Page 39: ...Device communication isoNAV685 D B_D00264_03_M_XXEN 06 2017 39 Web server user interface 5 6 10 9 7 8 ...

Page 40: ... of Modbus information for the individual parameters To be able to see this information the selection box at PARAMETER ADDRESSES 4 for the question Display additional Modbus informa tion for each parameter must be activated 8 System OK alarms Indication of the system status System OK green button and Alarms red button If there are pending alarms click on the red button or go to menu point ALARMS 3...

Page 41: ...tion of the response value Ran and system leakage capacitance Ce according to IEC 61557 8 Un AC 690 V fn 60 Hz Response time sec Response value Ran kΩ 0 10 20 30 40 50 60 70 80 90 100 0 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0 0 1 0 1 1 1 0 Operating uncertainty Ce 150μF Ce 1μF Relative uncertainty as a function of the response value Ran and system leakage capacitance Ce according to IEC 61557 8 Un AC 690 V ...

Page 42: ...VICE lights up No DHCP server found Connection problem at the Ethernet interface Check cable connection at the Ethernet interface Check the DHCP server s availability Check the DHCP s interface configuration in the device DHCP on page 34 Check time and date Time and date have not been set yet Set local time and date in case of voltage failure a buffer for three days Clock on page 33 Load on X1 too...

Page 43: ...e low Function RESET Digital input 3 Mode Operating mode Active high Function Deactivate device Digital outputs Digital output 1 Function 1 off Function 2 off Function 3 off Digital output 2 Function 1 off Function 2 off Function 3 off Switching elements Relay 1 Test on Operating mode N C operation Function 1 Ins alarm 1 Function 2 Connection fault Function 3 off Relay 2 Test on Operating mode N C...

Page 44: ...12 W Power consumption typically 50 60 Hz 12 W 21 VA Power consumption typically 400 Hz 12 W 45VA Supply via X1 Supply voltage Us DC 24V Tolerance ofUs DC 20 25 IT system being monitored Nominal system voltage range Un offline Circuit capacity internal mains switch AC 0 690 V DC 0 1000 V AC DC 0 600 V for UL applications Response values Response value Ran1 alarm 1 1 kΩ 10 MΩ Response value Ran2 al...

Page 45: ... 220 V Rated operational current 5 A 3 A 1 A 0 2 A 0 1 A Rated insulation voltage 2000 m NN 250 V Rated insulation voltage 3000 m NN 160 V Minimum contact rating 1 mA at AC DC 10 V Environment EMC EMC IEC 61326 2 4 4 Ambient temperatures Operating temperature 25 55 C Transport 40 85 C Long term storage 40 70 C Classification of climatic conditions acc to IEC 60721 Stationary use IEC 60721 3 3 3K5 ...

Page 46: ...cy 200 Hz the connection of X1 must be insulated Only permanently installed devices which at least have over voltage category CAT2 300V may be connected 2 Indication limited outside the temperature range 25 55 C 3 Us Volt supply voltage ISOMETER 4 This is a class A product In a domestic environment this product may cause radio interference In this case the user may be required to take corrective a...

Page 47: ...0 V 47 460 Hz B91067024 Description Art No iso685 Mechanical accessories comprising Terminal cover and 2 mounting clips B91067903 iso685 Plug kit screw terminals B91067901 iso685 plug kit with push wire terminals B91067902 Description Type Art No Suitable measuring instruments SKMP 28 kΩ 120 kΩ Current values 0 400 μA 0 20 mA additonal information here 7204 1421 B986763 9604 1421 B986764 9620 1421...

Page 48: ...he entire installation that is visible for the customer and defined by the customer The BCOM communication takes place within this system Naturally different systems can exist independently in one network Subsystem BCOM The subsystem structures parts of the system as units defined by the customer e g all PQ devices A typical subsystem are also non BCOM capa ble devices that are hidden behind a pro...

Page 49: ...tes a function related response and sends it to the Modbus client Maximum of Modbus TCP requests per second 100 s 17 2 1 Exception code If a request cannot be answered for whatever reason the server sends a so called excep tion code to limit possible errors 17 2 2 Modbus request By means of the function code FC3 the required information in Words can be read from the ISOMETER iso685 input registers...

Page 50: ...te 8 Byte count 0x04 Byte 9 10 Value in Register 0 0x1234 fictitous value Byte 11 12 Value in Register 1 0x2345 fictitous value Byte Name Example Byte 7 Modbus function code 0x83 Byte 8 Exception code 0x01 or 0x02 17 3 Measuring value information 17 3 1 High byte test status 17 3 2 Low byte alarm status 17 3 3 High byte range Value Description 0 No test 1 Internal test 2 External test Value Descri...

Page 51: ...Low byte unit Value Description 0 Invalid 1 None 2 Ohm 3 Ampere 4 Volt 5 Percent 6 Hertz 7 Baud 8 Farad 9 Henry 10 Degree Celsius 11 Degree Fahrenheit 12 Second 13 Minute 14 Hour 15 Day 16 Month 17 Watt 18 var 19 VA 20 Wh 21 varh 22 Vah 23 Degree 24 Hertz per second ...

Page 52: ... 1400 D number measuring technique 2 Uint16 RO Software number of the measuring technique 0x579 1401 Software version measuring technique 2 Uint16 RO Measuring values 0x1010 4112 Channel number 1 num ber Uint16 RO 0x1011 4113 Insulation value 4 Float RO Insulation value Ω 0x1013 4115 Test and alarm status 2 Uint16 RO High byte test Low byte alarm status see page 50 0x1014 4116 Range and unit 2 Uin...

Page 53: ...or V 0x1043 0x104F 4163 4175 See previous channel RO 0x1050 4176 Channel number 4 2 Uint16 RO 0x1051 4177 Connection to earth 4 Float RO 0 O K 101 Error V 0x1053 0x105F 4179 4191 See previous channel RO 0x1060 4192 Channel number 5 2 Uint16 RO 0x1061 4193 Device error 4 Float RO Device error number e g 750 7 50 Communication CAN V 0x1063 0x106F 4195 4207 See previous channel RO Register address he...

Page 54: ... Measuring pulse has switched 100 Measuring pulse just before swit ching 0x2FFEu 12286 Actual IP Address 4 UInt32 RO Currently used IP address aaa bbb ccc ddd aaa 256 bbb 256 ccc 256 ddd IP Configuration 0x3000u 12288 DHCP on off 2 Uint16 R W 1 DHCP on 2 DHCP off 1 2 0x3001u 12289 IP Address 4 Uint32 R W Configured IP address used when DHCP off aaa bbb ccc ddd aaa 256 bbb 256 ccc 256 ddd 0 4 294 9...

Page 55: ...oNet subscribers via BCOM 2 Uint16 R W 2 5 BCOM 0x300Au 12298 BCOM system name 16 String UTF 8 R W BCOM system name A Z0 9_ 0x3012u 12306 BCOM subsystem address 2 Uint16 R W BCOM device address 1 255 0x3013u 12307 Device address 4 Float R W 1 255 0x3014u 12308 Message timeout 4 Float R W BCOM message timeout 0 1 10 s 0x3016u 12310 Repeat interval 2 Uint16 R W Time interval in which a BCOM messages...

Page 56: ... 2 Uint16 R W 1 off 2 DST 3 CEST 1 3 0x30A3u 12451 Time format 2 Uint16 R W 1 12 h 2 24 h 1 2 BMS 0x30A4u 12452 BMS address 2 Uint16 R W BMS address 1 90 DigitalInFunctions 0x30A5u 12453 Digital Input 1 Function 2 Uint16 R W 1 Off 2 Test 3 Reset 4 Deactivate device 5 Start initial measuring 1 5 0x30A6u 12454 Digital Input 1 Mode 2 Uint16 R W 1 active high 2 active low 1 2 0x30A7u 12455 Digital Inp...

Page 57: ...3u 12467 Digital Input 3 T on 4 Float R W see 0x30A5u 0x30A9u 0 1 300 s 0x30B5u 12469 Digital Input 3 T off 4 Float R W see 0x30A5u 0x30A9u 0 1 300 s DigitalOutFunctions 0x30B7u 12471 Digital Output 1 Function 1 2 Uint16 R W 1 off 2 Alarm L1 3 Alarm L2 4 Alarm L3 5 Connection fault 6 Device error 7 Device inactive 1 7 0x30B8u 12472 Digital Output 1 Function 2 2 Uint16 R W see 0x30B7u 1 7 0x30B9u 1...

Page 58: ...87 Summer Function 3 2 Uint16 R W see 0x30B7u 1 7 0x30C8u 12488 Summer Test 2 Uint16 R W 1 Test on 2 Test off 1 2 RelayOutFunctions 0x30C9u 12489 Relay 1 Test 2 Uint16 R W 1 Test on 2 Test off 1 2 0x30CAu 12490 Relay 1 Mode 2 Uint16 R W 1 N O 2 N C 1 2 0x30CBu 12491 Relay 1 Function 1 2 Uint16 R W see 0x30B7u 1 7 0x30CCu 12492 Relay 1 Function 2 2 Uint16 R W see 0x30B7u 1 7 0x30CDu 12493 Relay 1 F...

Page 59: ...1 0x30D8u 12504 Profiles 2 Uint16 R W 1 Offline 1 0x30D9u 12505 Coupling monitoring 2 Uint16 R W 1 Coupling monitoring off 1 0x30DBu 12507 Fault memory 2 Uint16 R W 1 Fault memory on 2 Fault memory off 1 2 0x30DCu 12508 Start up delay 2 Uint16 R W 0 120 s 0x30DDu 12509 Activate deactivate device 2 Uint16 R W 1 Activates device 2 Deactivates device 1 2 Register address hexadecimal Register address ...

Page 60: ...ce 20 Relay 1 interface 11 12 14 20 Relay 2 interface 21 22 24 21 Supply voltage 19 X1 interface 19 Coupling device 41 Coupling monitoring 29 D Data isoGraph 37 Date 34 Setting the date 33 Device buttons 14 DHCP 34 48 Diagrams 41 Display 14 23 Data isoGraph 37 Fault display active 23 Fault display inactive 24 Fault memory 25 History memory 25 Limit values for R an 23 Signal quality of the measurem...

Page 61: ...m voltage 44 Nominal voltage 16 Normal operation 23 O Operating mode 30 Operation Buttons 22 Commissioning 17 22 Ordering information 46 Output 31 P Password 35 Product description 10 Protective earth conductor PE 16 R Response time Profile power circuits 41 Relative uncertainty 41 Response value 44 S Safety instructions 8 Self test 11 Service menu 36 Set language 33 Setting the time 33 34 Setting...

Page 62: ...Index Index isoNAV685 D B_D00264_03_M_XXEN 06 2017 62 System leakage capacitance 10 29 T Technical data 44 W Web server 38 48 ...

Page 63: ...nz Straße 8 35305 Gruenberg Germany Tel 49 6401 807 760 Fax 49 6401 807 629 Email info bender service com Web http www bender de BENDER Group Bender GmbH Co KG P O Box 1161 35301 Gruenberg Germany Londorfer Straße 65 35305 Gruenberg Germany Tel 49 6401 807 0 Fax 49 6401 807 259 Email info bender de Web www bender de ...

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