Liebert UPS System - Page 39

Chapter 3 Electrical Assembly
33
Table 3-4 Definitions of input/output contacts
Connector Name of contacts Board name input/output
Normally closed contacts for
battery low alarm
BLV-C output
Central contacts for battery low
alarm
BLV-S output
Normally open contacts for
battery low alarm
BLV-O output
Normally closed contacts for
battery mode
BAT-C output
Central contacts for battery
mode
BAT-S output
Normally open contacts for
battery mode
BAT-O output
Normally closed contacts for
inverter mode
INV-C output
Central contacts for inverter
mode
INV-S output
Normally open contacts for
inverter mode
INV-O output
Normally closed contacts for
ambient over-temperature
TMP-C output
Central contacts for ambient
over-temperature
TMP-S output
J9
J10
J11
Normally open contacts for
ambient over-temperature
TMP-O output
Normally closed contacts for
emergency shutdown
URG-C output
Central contacts for emergency
shutdown
URG-S output
Normally open contacts for
emergency shutdown
URG-O output
Normally closed contacts for
common alarm
WRN-C output
Central contacts for common
alarm
WRN-S output
Normally open contacts for
common alarm
WRN-O output
J12
J13
J14
Normally closed contacts for
overload
OVR-C output