Bender ISOMETER isoNAV685-D-B User Manual
EN
Manual
ISOMETER®
isoNAV685-D-B
Insulation Monitoring Device for IT AC systems
with galvanically connected rectifiers and inverters
and for IT DC systems
isoNAV685-D-B_D00264_03_M_XXEN/06.2017
PLEASE READ THIS MANUAL AND ANY ACCOMPANYING DOCUMENTS CAREFULLY AND KEEP THEM IN A SECURE PLACE FOR FUTURE
REFERENCE.
Bender GmbH & Co. KG
Postfach 1161 • 35301 Gruenberg • Germany
Londorfer Straße 65 • 35305 Gruenberg • Germany
Tel.: +49 6401 807-0
Fax: +49 6401 807-259
E-Mail: info@bender.de
Web: www.bender.de
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
© Bender GmbH & Co. KG
All rights reserved.
Reproduction only with permission
of the publisher.
Subject to change.
Table of contents
1. Important information .................................................................... 6
1.1 How to use this manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.2 Technical support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.2.1 First level support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.2.2 Repair service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.2.3 Field service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.3 Training courses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.4 Delivery conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.5 Inspection, transport and storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.6 Disposal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2. Safety instructions ............................................................................ 8
2.1 General safety instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.2 Work activities on electrical installations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.3 Device-specific safety information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.4 Intended use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3. Function ........................................................................................... 10
3.1 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.2 Product description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.3 Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.4 Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.5 Self test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4. Device overview .............................................................................. 12
4.1 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.2 Connections and panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.3 Display elements and device buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
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 the Ethernet interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
6.7 Connection to the relay 1 interface (11 12 14) . . . . . . . . . . . . . . . . . . . . . . 20
6.8 Connection to the relay 2 interface (21 22 24) . . . . . . . . . . . . . . . . . . . . . . 21
7. Commissioning ............................................................................... 22
7.1 General initial commissioning process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
7.2 Recommissioning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
8. Display ..............................................................................................23
8.1 Standard display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
8.2 Fault display (active) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
8.3 Fault display (inactive) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
8.4 Acknowledge fault memory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
8.5 History memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
8.6 Initial measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
9. Menu ................................................................................................. 27
9.1 Menu structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
9.2 Operating and navigating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
9.2.1 Easy operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
5. Mounting .......................................................................................... 15
5.1 General instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.2 Screw mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.3 DIN rail mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
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isoNAV685-D-B_D00264_03_M_XXEN/06.2017
Table of contentsTable of contents
10. Settings .......................................................................................... 29
10.1 Settings in the device menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
10.1 (1.0) Alarm settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
10.1 (1.1) Insulation alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
10.1 (1.1.1) Alarm 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
10.1 (1.1.2) Fault memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
10.1 (1.2) Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
10.1 (1.3) System type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
10.1 (1.4) Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
10.1 (1.5) T(Start). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
10.1 (1.6) Coupling monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
10.1 (1.7) Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
10.1 (1.7.1) Digital 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
10.1 (1.7.1.1) Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
10.1 (1.7.1.2) t(on) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
10.1 (1.7.1.3) t(off) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
10.1 (1.7.1.4) Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
10.1 (1.7.2) Digital 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
10.1 (1.7.3) Digital 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
10.1 (1.8) Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
10.1 (1.8.1) Relay 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
10.1 (1.8.1.1) TEST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
10.1 (1.8.1.2) Relay mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
10.1 (1.8.1.3) Function 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
10.1 (1.8.1.4) Function 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
10.1 (1.8.1.5) Function 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
10.1 (1.8.2) Relay 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
10.1 (1.8.3) Digital 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
10.1 (1.8.3.1) Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
10.1 (1.8.3.2) Function 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
10.1 (1.8.3.3) Function 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
10.1 (1.8.3.4) Function 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
10.1 (1.8.4) Digital 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
10.1 (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 (5.2.7) NTP server. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
10.1 (5.2.8) UTC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
10.1 (5.3) Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
10.1 (5.3.1) Write access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
10.1 (5.3.2) Ethernet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
10.1 (5.3.2.1) DHCP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
10.1 (5.3.2.2) IP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
10.1 (5.3.2.3) SN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
10.1 (5.3.2.4) Std. GW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
10.1 (5.3.2.5) DNS server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
10.1 (5.3.2.6) Domain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
10.1 (5.3.3) BCOM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
10.1 (5.3.3.1) System name. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
10.1 (5.3.3.2) Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
10.1 (5.3.3.3) Device address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
10.1 (5.3.3.4) Timeout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
10.1 (5.3.3.5) TTL for subscription . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
10.1 (5.3.4) Modbus TCP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
10.1 (5.3.4.1) Port 502. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
10.1 (5.3.5) BMS bus. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
10.1 (5.4) Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
10.1 (5.4.1) Brightness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
10.1 (5.5) Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
10.1 (5.5.1) Password. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
10.1 (5.5.2) Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
10.1 (5.6) Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
10.1 (5.7) Data backup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
10.1 (5.8) Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
10.1 (6.0) Info . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
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isoNAV685-D-B_D00264_03_M_XXEN/06.2017
Table of contentsTable of contents
11. Device communication ............................................................... 37
11.1 Ethernet interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
11.2 BCOM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
11.3 Modbus TCP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
11.4 Web server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
12. Diagrams ........................................................................................ 41
12.1 Response time profile offline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
12.2 Relative uncertainty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
13. Alarm messages ............................................................................ 42
14. Factory settings ............................................................................ 43
15. Technical 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 Low-byte alarm status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
17.3.3 High-byte range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
17.3.4 Low-byte unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
17.4 Modbus register assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
Index ........................................................................................................60
5
isoNAV685-D-B_D00264_03_M_XXEN/06.2017
1. Important information
DANGER
WARNING
CAUTION
Important information
1.1 How to use this manual
This manual is intended for qualified personnel working in electrical engineering and electronics!
Always keep this manual within easy reach for future reference.
To make it easier for you to understand and revisit certain sections in this manual, we
have used symbols to identify important instructions and information. The meaning of
these symbols is explained below:
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.
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)
E-mail: support@bender-service.de
1.2.2 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 extra cost
This signal word indicates a low level risk that can result in minor or moderate injury or damage to property if not avoided.
This symbol denotes information intended to assist the user in making
optimum use of the product.
6
Telephone: +49 6401 807-780** (technical issues)
+49 6401 807-784**, -785** (sales)
Fax: +49 6401 807-789
E-mail: repair@bender-service.de
Please send the devices for repair to the following address:
Bender GmbH, Repair-Service,
Londorfer Strasse 65,
35305 Grünberg
isoNAV685-D-B_D00264_03_M_XXEN/06.2017
Important informationImportant information
1.2.3 Field service
On-site service for all Bender products
• Commissioning, parameter 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: +49 6401 807-752**, -762 **(technical issues)
+49 6401 807-753** (sales)
Fax: +49 6401 807-759
E-mail: fieldservice@bender-service.de
Internet: www.bender-de.com
*Available from 7.00 a.m. to 8.00 p.m. 365 days a year (CET/UTC+1)
**Mo-Thu 7.00 a.m. - 8.00 p.m., Fr 7.00 a.m. - 13.00 p.m.
1.3 Training courses
Bender 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 Lieferbedingungen für
Erzeugnisse und Leistungen der Elektroindustrie" (software clause in respect of the licensing of standard software as part of deliveries, modifications and changes to general delivery conditions for products and services in the electrical industry) 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.
1.6 Disposal
Abide by the national regulations and laws governing the disposal of this device. Ask
your supplier if you are not sure how to dispose of the old equipment.
The directive on waste electrical and electronic equipment (WEEE directive) and the directive on the restriction of certain hazardous substances in electrical and electronic
equipment (RoHS directive) apply in the European Community. 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 private households
which was introduced to the market after 13 August 2005 must be taken back by the
manufacturer and disposed of properly.
For more information on the disposal of Bender devices, refer to our homepage at
www.bender-de.com -> Service & support.
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 which the specified storage temperatures can be ensured.
7
isoNAV685-D-B_D00264_03_M_XXEN/06.2017
2. Safety instructions
DANGER
WARNING
CAUTION
Safety instructions
2.1 General safety instructions
Part of the device documentation in addition to this manual is the enclosed "Safety instructions for Bender products".
2.2 Work activities on electrical installations
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 installing and connecting the device, make sure that the installation has been de-energised. Observe the rules for working on elec-
trical installations.
If the device is used outside the Federal Republic of Germany, the applicable local standards and regulations must be complied with. The European standard EN 50110 can be
used as a guide.
2.3 Device-specific safety 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
connection of the device, a functional test has to be carried out before starting the 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 cabinet, the insulation fault
message must be audible and/or visible to attract attention.
When using ISOMETER®s in IT systems, make sure 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
currently used are disconnected from the IT system and deactivated. IT
systems coupled via diodes or capacitances may also influence the insulation monitoring process so that a central control of the different
ISOMETER®s is required.
8
isoNAV685-D-B_D00264_03_M_XXEN/06.2017
Prevent measurement errors!
When a monitored IT system contains galvanically 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.
Safety instructionsSafety instructions
2.4 Intended use
Only qualified personnel are permitted to carry out the work necessary
to install, commission and run a device or system.
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. However, depending on the application and the selected measurement method, continuous insulation
monitoring is also possible in this frequency range.
There is no influence on the insulation monitoring for IT systems with frequency components above the specified frequency range, e.g. within the
range of typical switching frequencies of frequency inverters (2…20 kHz).
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 monitored. The
maximum permissible system leakage capacitance is 150 µF.
Intended use also implies:
• The observation of all information in the operating manual
• Compliance with test intervals
In order to meet the requirements of applicable standards, customised parameter settings must be made on the equipment in order to adapt it to local equipment and operating conditions. Please heed the limits of the area of application indicated in the
technical specifications.
Any other use than that described in this manual is regarded as improper.
9
isoNAV685-D-B_D00264_03_M_XXEN/06.2017
3. Function
*
Function
3.1 Features
• ISOMETER® to monitor the insulation resistance in systems that are switched off.
• Automatic adaptation to the existing system leakage capacitance.
• measurement method.
• An adjustable response value in the range 1 k…10 M
(factory setting = 50 k).
• High-resolution graphic LC display for excellent readability and recording of the
device status.
• Ground fault monitoring.
• Automatic device self test.
• History memory with real-time clock (buffer for three days) for storing 1023 alarm
messages with date and time.
• Freely programmable digital inputs and outputs.
• Remote setting of certain parameters via Internet
(Option; COMTRAXX® Gateway).
• Worldwide remote diagnosis via Internet.
• Modbus TCP, web server and BCOM.<
3.2 Product description
The ISOMETER® isoNAV685-D-B is an insulation monitoring device for IT systems in accordance with IEC 61557-8. It is universally applicable in TN, TT or IT systems that are
switched off.
3.3 Functional description
The insulation monitoring device ISOMETER® isoNAV685-D-B monitors the entire insulation resistance of systems that are switched off and triggers an alarm when the insulation
resistance value falls below a preset response value.
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 (unearthed system) and the protective earth conductor (PE). A measuring current in the A
range is superimposed onto the system which is recorded and evaluated by a micro-controlled measuring circuit. The measuring time is dependent on the selected measurement profiles, the system leakage capacitance, the insulation resistance and possible
system-related disturbances.
The response values and other parameters are set using a commissioning wizard as well
as via different setup menus using the device buttons and a high-resolution graphical LC
display. The selected settings are stored in a permanent fail-safe memory. Different languages can be selected for the setup menus as well as the messages indicated on the display. The device utilises a clock for storing fault messages and events in a history memory
with time and date stamp. The settings can be protected against unauthorised modifications by entering a password. To ensure proper functioning of connection monitoring,
the device requires the setting of the system type 3AC and the
appropriate terminals
L1/+, L2, L3/-.
prescribed wiring of the
10
isoNAV685-D-B_D00264_03_M_XXEN/06.2017
FunctionFunction
TEST
√ Measurement
Coupling
Earth connection
Outputs
33 %
√
The insulation monitoring device is able to measure the insulation resistance reliably and
precisely in all common IT systems (unearthed systems). Due to various applications, system types, operating conditions, application of variable-speed drives, high system leakage capacitances etc., the measurement technique must be able to meet varying
requ irements in order to ensure an op timised respons e time an d relati ve uncer tainty. Different measurement profiles which can be selected from a setup menu allow optimum
adaptation of the measurement technique to the specific application.
If the resistance value below a set response value R
vated, the LED ALARM 1 (alarm at L1 or L2) or ALARM 2 (alarm at L3) lights and the LCD
shows the measured value. If the fault memory is activated, the fault message will be
stored. Pressing the RESET button resets the insulation fault message, provided that the
current insulation resistance displayed at the time of resetting is at least 25 % above the
actual response value. As additional Information, the quality of the measuring signal and
the time required to update the measured value are shown on the display.
, the associated alarm relay is acti-
an
3.4 Interfaces
• Communication protocol Modbus TCP
• BCOM for Bender device communication via Ethernet
• Integrated 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 the test button to check the functions of the relays (depending on the configuration) or it can be selected via the "Control"
menu (refer to “Control” on page 33).
The progress of the manual self test is shown on the LC display by a bar graph. Depending
on the conditions in the IT system being monitored, the self test is completed after
15…20 seconds. The device then returns to the standard mode (measurement mode)
and the actual measured value will be displayed after the measuring time has expired.
The display shows the message
ured (refer to “Initial measurement” on page 26).
If a fault is detected during the self test, the respective LEDs of the device light (refer to
“Alarm messages” on page 42). In addition, the respective message will be indicated on
the display and a previously programmed output will provide the respective signal.
Initial measurement
until the first valid value is meas-
11
The test has been run and the result was positive.
The test has been run and the result was negative.
The test is not available and is not carried out
(e.g. due to specific device settings).
The test is running.
isoNAV685-D-B_D00264_03_M_XXEN/06.2017
4. Device overview
4.1 Dimensions
108 mm
110 mm
mm 39
12
isoNAV685-D-B_D00264_03_M_XXEN/06.2017
Device overview
A1/+, A2/- Connection to the power supply voltage U
s
L1/+ Connection to the IT system to be monitored
L2 Connection to the IT system to be monitored
L3/- Connection to the IT system to be monitored
KE, E Connection to PE
To p
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
4.2 Connections and panel
ON
Display
MENU
ESC
13
RESET
DATA
LEDs: SERVICE,
ALARM 1, ALARM 2
TEST
INFO
OK
X3
isoNAV685-D-B_D00264_03_M_XXEN/06.2017
Device overviewDevice overview
1
7
8
9
10
11
2
3
4
5
6
4.3 Display elements and device buttons
Display elements
1 ON The LED "ON" lights when the device is turned on.
The device display shows information regarding the device and the
2
3
4
5
SERVICE
ALARM 1
ALARM 2
measurements.
Other information is available in the chapter “Display” from page 23.
The LED "SERVICE" lights when there is either a device fault or a connection fault, or when the device is in maintenance mode.
The LED "ALARM 1" lights when the insulation resistance of the IT system
falls below the set response value R
The LED "ALARM 2" lights when the insulation resistance of the IT system
falls below the set response value R
an1
an2
.
.
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.
MENU Opens the device menu.
6
7
8
9
10
11
ESC
TEST
RESET
Info
OK
DATA
Cancels the current process or
navigates one step back in the device menu.
Navigates up in a list or increases a value.
Starts the device self test.
Navigates forwards (e.g. to the next setting step) or
selects a parameter.
Resets alarms.
Navigates backwards (e.g. to the previous setting step) or
selects a parameter.
Shows information.
Confirms an action or a selection.
Indicates data and values.
Navigates down in a list or reduces a value.
14
isoNAV685-D-B_D00264_03_M_XXEN/06.2017
5. Mounting
DANGER
72 mm
108 mm
54 mm
100 mm
107,3 m m
Mounting
5.1 General instructions
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 installing and connecting the device, make sure that the installation has been de-energised. Observe the rules for working on elec-
trical installations.
5.2 Screw mounting
18. Fix the three mounting clips delivered with the device (two of them packed separately) manually or using a tool, as illustrated below.
19. Drill the mounting holes for the M4 thread according to the dimensioned drilling template.
20. Fix the ISOMETER® using three M4 screws.
15
isoNAV685-D-B_D00264_03_M_XXEN/06.2017
Connection
DANGER
DANGER
DANGER
WARNING
6. Connection
5.3 DIN rail mounting
1. Fix the three mounting clips delivered with the device (two of them packed separately) manually or using a tool, as illustrated below.
2. Fix the ISOMETER® onto the DIN rail until it snaps into place.
6.1 Connection requirements
Consider the minimum distance to adjacent devices:
lateral 0 mm, top 20 mm, bottom 20 mm.
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 installing and connecting the device, make sure that the installation has 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 device into operation.
16
Risk of electric shock!
High voltage is applied at the terminals, which in case of direct contact
can be life-threatening. If the terminals L1/+, L2, L3/- of the device are connected to a live IT system, the terminals E and KE must not be disconnected
from the protective conductor (PE).
Warning of insulation monitoring devices that do not work correctly!
Connect the terminals KE and E individually to the protective earth conductor PE.
isoNAV685-D-B_D00264_03_M_XXEN/06.2017
ConnectionConnection
CAUTION
CAUTION
CAUTION
CAUTION
CAUTION
Provide line protection!
According to DIN VDE 0100-430, a line protection shall be provided for the
supply voltage.
Risk of injury from sharp-edged terminals!
Risk of lacerations.
Touch the enclosure and the terminals with due care.
Ensure disconnection from the IT system!
When insulation or voltage tests are to be carried out, the device must be
isolated from the system for the test period. Otherwise the device may be
damaged.
Risk of property damage due to unprofessional installation!
If more than one 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.
Prevent measurement errors!
When an AC system being monitored contains galvanically coupled DC
circuits, take into consideration that: an insulation fault can only be detected correctly when the rectifier valves carry a minimum current of
>10 mA.
For UL applications:
Use 60/70 °C copper lines only!
For UL and CSA applications, the supply voltage must be protected via 5 A
fuses.
17
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 terminals.
Check proper connection!
Prior to commissioning of the installation, check that the device has been
properly connected and check the device functions. Perform a functional
test using an earth fault via a suitable resistance.
isoNAV685-D-B_D00264_03_M_XXEN/06.2017
ConnectionConnection
WARNING
L1
L2
L3
N
PE
U
S
6A
U
n
PE
M
DC+
DC-
AC
KE E
IT System
OK
230 kΩ
R(an) 4 0kΩ/10kΩ
OK
230 kΩ
L1/+ L2 L3/-
L1/+ L2 L3/- KE E
3
=
3
=
6.2 Connection to a 3(N)AC system/system type 3AC
Risk of injury, fire and damage to property due to a short circuit!
According to DIN VDE 0100-430, devices used to protect against a
short circuit when terminals L1/+, L2 und L3/- are coupled to the IT
system to be monitored 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. Ensure short-circuit proof and earth-fault proof wiring.
The ISOMETER® may only be used for monitoring de-energized systems. The device must be deactivated via the digital input before
the mains voltage is switched on.
6.3 Connect to a frequency converter to monitor in the off state (Offline)
The ISOMETER® may only be used for monitoring de-energized systems. The device must be deactivated via the digital input before
the mains voltage is switched on.
18
Position the terminal cover and click it into place
isoNAV685-D-B_D00264_03_M_XXEN/06.2017
ConnectionConnection
I1
I2
I3
A
B
M+
Q2
Q1
+
Electrical overload protection.
Auto shut-off in the event of
a short circuit and transients
(resettable)
Input 1
Input 2
Input 3
RS-485 A
RS-485 B
Ground
unused
Output 2
Output 1
+24 V
CAUTION
U
S
6.4 Connection to the X1 interface
6.5 Connection to the supply voltage
External Power supply for powering the ISOMETER® via terminal X1
must fulfil immunity and emission standards of the required application. 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 be damaged if the unit is simultaneously connected
to the supply voltage via the X1 interface, and A1/+ and A2/- terminals. Do not connect the device simultaneously via X1, and A1/+
and A2/- to different supply voltages.
Position the terminal cover and click it into place
19
isoNAV685-D-B_D00264_03_M_XXEN/06.2017
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