Table Of Contents - Bender ISOMETER IRDH275BM-7 Manual

Insulation monitoring device for medium voltage it systems with galvanically connected rectifiers and converters up to ac/dc 15.5 kv
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Table of contents

1
General instructions .........................................................................5
1.1
How to use this manual ..............................................................................................5
1.2
Indication of important instructions and information ...................................5
1.2.1
Signs and symbols ........................................................................................................5
1.3
Training courses and seminars.................................................................................5
1.4
Delivery conditions .......................................................................................................5
1.5
Inspection, transport and storage ..........................................................................5
1.6
Warranty and liability...................................................................................................6
1.7
Disposal of Bender devices ........................................................................................6
1.8
Safety .................................................................................................................................6
1.9
Device-specific safety information .........................................................................6
1.10
Intended use ...................................................................................................................7
1.11
Directions for installation ...........................................................................................7
2
Function ...............................................................................................9
2.1
Characteristics IRDH275BM-7 incl. AGH675S-7... .............................................9
2.2
Product description ......................................................................................................9
2.3
Function description ................................................................................................. 10
3
Dimensions, installation and connection................................... 12
3.1
Dimension diagrams ................................................................................................. 12
3.2
Mounting IRDH275 .................................................................................................... 12
3.3
Installation of the coupling device AGH675S-7... ......................................... 12
3.4
Wiring diagrams (by way of example) ................................................................ 13
4
Operation and setting .................................................................... 16
4.1
Operating features and displays IRDH275BM-7 ............................................. 16
4.1.1
Display in the standard mode ............................................................................... 16
4.1.2
Display in the menu mode ..................................................................................... 17
4.1.3
Function keys ............................................................................................................... 17
4.2
Menu structure and menu mode ......................................................................... 18
4.2.1
Diagram menu structure ......................................................................................... 19
4.3
Menu HISTORY INFO ................................................................................................. 19
4.3.1
Diagram HISTORY INFO ........................................................................................... 20
4.4
4.4.1
Response values Alarm 1 and Alarm 2 ............................................................... 21
4.4.2
Operating principle of the alarm relays ............................................................. 21
4.4.3
Diagram ISO SETUP ................................................................................................... 22
4.4.4
Memory settings (on/off) ........................................................................................ 22
4.4.5
Current output for external measuring instruments .................................... 23
4.5
IRDH275BM-7_D00123_07_M_XXEN / 08/2020
ISOMETER® IRDH275BM-7
3

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