Is-485L Card - Liebert NXC 30kVA 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 8-5.
Pin
1 Common-Low Battery
2 Low Battery
3 Low Battery
4 Common-UPS Fault
5 UPS Fault
6 UPS Fault
7 Common-On Battery
8 On Battery
9 On Battery
10 Signal Ground
11 Signal Ground
12 UPS Any-Mode Shutdown
13 Summary Alarm*
14 Summary Alarm*
15 Common-Summary Alarm*
16 On UPS
17 On Bypass
18 Common-On Bypass
For more information of the IS-Relay card, refer to the Liebert IntelliSlot Relay Card User Manual in accessory.
The installation method of the IS-Relay card is the same as that of the IS-WEBL card described in 8.2.6 IS-WEBL
card. Refer to 3.2.11 Signal Cable Connection Steps for the cabling and routing of the signal cables.

8.2.8 IS-485L Card

Figure 8-17 shows the appearance of the IS-485L card.
Figure 8-16 IS-Relay card
Table 8-5 Function of UPS IS-Relay card
Function
Liebert NXC 30kVA And 40kVA UPS User Manual
Chapter 8 Options
Operation
Closed if low battery point occurs
Closed if battery is OK
Closed if UPS fault occurs
Closed if no UPS failure
Closed if On Battery power (Utility failure)
Closed if not On Battery power (Utility OK)
Use for UPS Any-Mode Shutdown
Use for UPS Any-Mode Shutdown
Turn UPS output Off when shorted to Pin 10 or 11
Closed if no alarm conditions are present
Closed if Summary Alarm occurs
Closed if On UPS (inverter) power
Closed if On Bypass
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