OPTION
User Manual 10H52246UM60 - Rev. 1 - 01/2017
77
8.1.6
IS-Relay Card
Figure 8-17 IS-Relay card
The UPS IS-Relay card option enables the user to use the dry contact signal to monitor the UPS.
The IS-Relay card functions are listed in Table 8-3.
Table 8-3
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
Use for UPS Any-Mode Shutdown
11
Signal Ground
Use for UPS Any-Mode Shutdown
12
UPS Any-Mode Shutdown
SWitch UPS output Off when shorted to Pin 10 or 11
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 Relay Card User Manual
.
The installation procedure for the IS-Relay card is the same as for the IS-WEBL card, as described in 8.1.5
IS-WEBL
card
. Refer to 3.2.11
Signal Cable Connection Procedure
for information on cabling and routing signal cables.