Bender ISOMETER iso1685DP-425 Manual page 5

Insulation monitoring device
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9. Device communication .............................................................................40
9.1 RS-485 interface with BMS protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
9.1.1 Topology RS-485 network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
9.1.2 BMS protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
9.1.3 BMS master . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
9.1.5 Address setting and termination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
9.1.6 Setting the BMS address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
9.1.7 Alarm and operating messages via the BMS bus . . . . . . . . . . . . . . . . . . . 42
9.2 RS-485 interface with Modbus protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
10. Insulation fault location (isoxx1685DP only) .....................................44
10.1 General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
10.2 Required settings for insulation fault location . . . . . . . . . . . . . . . . . . . . . . . . 44
10.3 Indication on the display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
10.4 Starting and stopping the insulation fault location . . . . . . . . . . . . . . . . . . . 44
11. Alarm messages .......................................................................................45
12. Technical data ...........................................................................................46
12.1 Device profiles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
12.2 Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
12.2.1 Response time Power circuits profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
12.2.2 Response time High capacitance profile . . . . . . . . . . . . . . . . . . . . . . . . . 47
12.2.3 Response time Inverter > 10 Hz profile . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
12.2.4 Response time Inverter < 10 Hz profile . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
12.2.5 Response time Fast 2000 μF profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
12.2.6 Leakage capacitance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
12.3 Factory settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
12.4 Tabular data isoxx1685Dx-x25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
12.5 Standards and certifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
12.6 Ordering details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Index ........................................................................................................ 52
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isoxx1685Dx-x25_D00272_06_M_XXEN/04.2020

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