User Manual 10H52258UM60 - Rev. 3 - 01/2019
80
APM 400/600
Optional Components
Figure 9-3 IS-Unity-Life card
For detailed information about this card, refer to the Liebert® IntelliSlot Unity Card user manual –Web, SNMP,
Modbus, BACnet, and YDN 23.
Note
Use of shielded cables is highly recommended in order to enhance the EMC.
9.1.5
IS-Relay Card
Provides dry contact alarm information, including: On Battery, On Bypass, Low Battery, Summary Alarm, UPS
Fault and On UPS signals for communication to a remote monitoring system or for use with MultiLink®software.
The IntelliSlot Relay card provides voltage-free contact closures for remote monitoring alarm conditions.
Delivering On Battery, On Bypass, Low Battery, Summary Alarm, UPS Fault and On UPS signals, this
easy-to-install card integrates with AS/400 computers (additional cable required) and other relay contact
monitoring systems. The relay card is rated for 24 VAC/DC at 1A.
The IS –Relay card is illustrated in Figure 9-4.
Figure 9-4 IS –Relay card
The UPS IS-Relay card option provides dry contact signals that may be used to monitor the UPS.
Table 9.2 lists the IS-Relay card functions
Table 9.2
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