Vertiv™ | Liebert® EXM
™
50-250kVA, 480V, 60Hz User Manual | 51
5.4 Liebert® IntelliSlot™ Relay Card
The Liebert
®
IntelliSlot
™
Relay card (IS-RELAY) provides voltage-free contact closures for remote
monitoring of alarm conditions.
The easy-to-install card integrates with AS/400 computers (additional cable required) and other
relay contact monitoring systems. It delivers signals for On Battery, On Bypass, Low Battery,
Summary Alarm, UPS Fault and On UPS.
The relay card is rated for 24 VAC/DC at 1A and is supported in any of the three Liebert
®
IntelliSlot
™
bays on the Liebert
®
EXM
™
.
5.4.1 Liebert® IntelliSlot™ Relay Card Pin Configuration
The card has two terminals blocks, TB1 (green, numbered 1-9) and TB2 (black, 10-18), as shown in
Figure 31.
Figure 31 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)
9On 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