Vertiv Liebert APS series User Manual

4.1.2 Liebert IntelliSlot Dry-contact Card (IS-RELAY)
The IS-RELAYcard provides dry-contact alarm information, including: On Battery, On Bypass, Low
Battery, Summary Alarm, UPS Fault and On UPS signals to a remote monitoring system or for use with
Liebert MultiLink® software. The card also acceps input signals to shut down the UPS during any mode of
operation.
4.1.3 Liebert IntelliSlot MultiPort Card (IS-MULTIPORT)
The IS-MULTIPORT card provides dry-contact alarm information, including: On Battery, Low Battery
signals for communication to 4servers for use with Liebert MultiLink software.
4.1.4 Liebert IntelliSlot EBC Card
The EBC card monitors and manages the intelligent battery modules in external, matching battery
cabinets.
4.2 Dry-contact Ports
Figure 2.1 on page12 shows the location of the dry-contact ports.
Figure 4.2 Pin layout of the dry contacts
POSITION NAME DESCRIPTION
1 Battery Mode Output dry contact of battery mode operation
2 Battery Mode Output dry contact of battery mode operation
3 Low Battery Output dry contact of low battery operation
4 Low Battery Output dry contact of low battery operation
5 Any Mode Shut Down Input dry contact of any mode shut down
6 GND Any mode shutdown GND
7 Battery Mode Shut Down Input dry contact of battery mode shut down
8 GND Battery mode shutdown GND
Table 4.1 Pin definition for dry-contact port
4.2.1 Battery-mode Dry Contact
Pins 1 and 2: Output dry contact, normally open. The dry contact is closed when the UPS is operating on
battery. The maximum voltage and current are 24VDC and 0.3A, respectively.
Vertiv | Liebert® APS™ Installer/User Guide | 52

Vertiv Liebert APS series Specifications

General

Brand	Vertiv
Model	Liebert APS series
Category	UPS
Language	English