Chapter 8 Options 127
Liebert EXM 80kVA ~ 200kVA UPS User Manual
The UPS provides IS-Relay card for the user to use the dry contact signal to monitor the UPS.
The functions of the IS-Relay card are listed in Table 8-4.
Table 8-4
Function of UPS IS-Relay card
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
Signal Ground
Future release
11
Signal Ground
Future release
12
UPS Any-Mode Shutdown
Future release
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
For more information of the IS-Relay card, refer to the
Liebert IntelliSlot IS-Relay Card User Manual
in
accessory.
The installation method of the IS-Relay card is the same as that of the SIC card described in
8.2.8 SIC
card
. Refer to
3.2.10 Signal Cable Connection Steps
for the cabling and routing of the signal cables.
8.2.10
BCB Box
Refer to
6.9 BCB Box (Option)
for more information about the specifications, battery connection of the
BCB box.
8.2.11
C2 Electromagnetic Shielding Assembly
To satisfy the C2 requirement, the user dry contact signal cable needs to be led though the two magnet
rings (accessories). See Figure 8-18.
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