Bender ISOMETER IRDH375 Manual page 3

4. Commissioning flow chart (threepart) ...................................................... 30
5. Connection ..................................................................................................... 33
5.1 Wiring ................................................................................................................ 33
5.2 Wiring diagrams with coupling devices ................................................ 37
5.2.1 Connection with AGH150W-4 .................................................................. 37
5.2.2 Connection with AGH520S ........................................................................ 39
5.2.3 Connection with AGH204S-4 .................................................................... 40
6. Operation and setting .................................................................................. 42
6.1 Operating features and displays IRDH375(B) ...................................... 42
6.1.1 Display in the standard mode ................................................................... 43
6.1.2 Display in the menu mode ......................................................................... 44
6.1.3 Function keys .................................................................................................. 44
6.2 Menu structure and menu mode ............................................................ 47
6.2.1 Diagram menu structure ............................................................................ 49
6.3 Menu HISTORY INFO (IRDH375B) ............................................................ 50
6.3.1 Diagram HISTORY INFO (IRDH375B) ....................................................... 51
6.4 Menu ISO SETUP: Setting of the basic ISOMETER® functions ........ 52
6.4.1 Response values Alarm 1 and Alarm 2 ................................................... 52
6.4.2 Operating principle of the alarm relays ................................................ 52
6.4.3 Memory setting (on/off) .............................................................................. 55
6.4.4 Current output for external measuring instruments
(IRDH375B) ....................................................................................................... 55
6.5 Menu ISO ADVANCED: Setting of the extended functions ........... 56
6.5.1 External coupling devices (AGH: no) ...................................................... 56
6.5.2 Adaptation to the system leakage capacitance
(Cemax : 150 μF) ............................................................................................. 57
6.5.3 Changing the measuring principle from AMP to DC
(Measure: AMP) .............................................................................................. 57
6.5.4 Setting the repetition time for automatic self tests
(Autotest: 24h) ................................................................................................ 57
6.5.5 Setting the real-time clock (Clock) (IRDH375B) .................................. 58
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IRDH375_D00124_05_M_XXEN/01.2020
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