OPM_LPS_31E_8K0_20K_1GB_V010.doc 34/40 Operating Manual LP 31 / 8-10-15-20 kVA
5.2 POTENTIAL FREE CONTACT INTERFACE
Furthermore four potential free contacts are available for signalling to a user-defined system:
see fig. 6 connector 17 – Section 4.1.
Potential free contacts: functions and pin numbers
Function Normally open Coommon Normally closed
Bypass active 3 4 5
Battery low 6 7 8
General alarm 9 10 11
Utility failure 12 13 14
Max: 48VDC 500mA Min.: 5VDC 100mA
5.3 SNMP INTERFACE (OPTIONAL)
The optional SNMP plug-in card allows the data interface to be connected directly to an
Ethernet network (thin coax, twisted pair, AUI).
For more information please refer to the user manual that comes with the interface card.
See also chapter 6.2.
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