6.3 Signal input monitoring
This standard feature lets you connect smoke detectors or over-temperature
alarms to your signal inputs. The user interface terminals for external
connections are located inside the UPS. Use twisted-pair wires for each alarm
input and common.
The signal inputs can be programmed to display the alarm functional name. See
list of Signal input functions in Appendix A: Relay alarms.
6.4 General purpose relay contact
One general purpose relay contact is provided as a standard feature on the
UPS. An alarm contact is also provided.
You can use a normally-closed or normally-open contact. If the state of the
contact changes from the state you specify as normal, a signal is issued. You
can connect this contact to equipment at your facility (such as a light or an alarm
bell) to let you know when an alarm is active on the UPS. This feature is useful if
the UPS is located in a remote area where the UPS horn may not be heard
immediately.
Note: Do not operate the contacts in excess of 30 VAC (RMS) and 30 VDC at
5 A maximum.
Eaton 93PM UPS 30–200 kVA User's and installation guide
©
Eaton Corporation plc 2017. All rights reserved. Revision: 005 Document ID: P-164000249 83 (126)
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