Communication
39
Liebert
®
APS
™
Liebert IntelliSlot
®
Dry Contact Card (IS-RELAY)
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 Liebert MultiLink
®
software. This card also can accept input signals to shut down the UPS while
it is in any mode of operation.
Liebert IntelliSlot MultiPort Card (IS-MULTIPORT)
Provides dry contact alarm information, including: On Battery, Low Battery signals for
communication to four servers for use with Liebert MultiLink software.
Liebert IntelliSlot EBC Card
This card is used for the Liebert APS UPS to monitor and manage the intelligent battery modules in
external matching battery cabinets.
3.2
Dry Contact Ports
The UPS provides dry contact ports. See
Figure 1
for location and
Figure 46
for the pin layout.
Figure 46 Pin layout of the dry contacts
Table 12
shows the pin definition of each dry contact port.
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 24VDC and 0.3A, respectively.
Low Battery Dry Contact
Pins 3 and 4
: Output dry contact, normally open. When the UPS is operating on battery, the dry
contact is closed upon battery low voltage alarm. The maximum voltage and current are 24VDC and
0.3A, respectively.
Table 12
Pin definition of dry contact port
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
1
2
3
4
5
6
7
8
Summary of Contents for Liebert APS
Page 1: ...AC Power For Business Critical Continuity Liebert APS User Manual 5 20kVA Modular UPS ...
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Page 8: ...vi ...
Page 101: ...Specifications 93 Liebert APS NOTES ...
Page 102: ...Specifications Liebert APS 94 ...
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