Vertiv™ |
Liebert® EXM™ UPS 20-100kVA, 50/60Hz User Manual |
38
Figure 25
Pin location and numbering
Refer to your Liebert
®
product user manual for the pin configuration for the terminal blocks.
Table 10
Relay card pin configuration
Pin
Function
Operation
1
Common - Low Battery
—
2
Low Battery
Closed if Low Battery point occurs.
3
Low Battery
Closed if battery is OK
4
Common - UPS Fault
—
5
UPS Fault
Closed if UPS fault occurs
6
UPS Fault
Closed if no UPS failure
7
Common - On Battery
—
8
On Battery
Closed if On Battery power (Utility failure)
9
On Battery
Closed if not On Battery power (Utility OK)
10
Not Used
—
11
Not Used
—
12
Not Used
—
13
Summary Alarm*
Closed if no alarm conditions are present
14
Summary Alarm*
Closed if Summary Alarm occurs
15
Common - Summary Alarm*
—
16
On UPS
Closed if On UPS (inverter) power
17
On Bypass
Closed if On Bypass
18
Common - On Bypass
—
18
10
1
9
TB1
green
TB2
black
Summary of Contents for Liebert EXM
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