Liebert UPS System User Manual

Page 39

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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

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