Powerware 5075 kVA - Manual (Page 80)

72 Powerware BPIII Harsh Environment UPS 50--75 kV Installation and Operation
164291261 Rev. F 111503
Summary Alarm Contacts
Two summary alarm contacts are provided as a standard feature on the UPS. The
alarm contacts (one notice and one alarm) are located inside the UPS on the
customer interface panel (see Figure 36).
NOTICE NO
NOTICE NC
COMMON
ALARM NO
ALARM NC
COMMON
10
11
12
13
14
15
TB2
Figure 36. Summary Alarm Contacts
You can specify that each contact be either normally closed (NC) or normally open
(NO). If the state of the contact changes from the state you specify as normal, an alarm
is issued. You can connect these contacts 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 alarm horn may not be
heard immediately.
CAUTION:
Contacts should not be operated in excess of 30 VAC or 42.4V peak AC or DC
@ 1A maximum.