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C4658M-C (6/10) 29
Figure 19 illustrates the wiring configuration for supervised alarm inputs.
Figure 19. Supervised Alarm Input Wiring
Unsupervised Alarms
When an alarm is configured as an unsupervised alarm, the unit only triggers an alarm when the normal alarm state (open
or closed) changes.
Figure 20 illustrates the alarm and no alarm conditions of an unsupervised alarm input. A normally closed alarm input can
be defeated with a bypass. A normally open input can be defeated with a cut.
Figure 20. Unsupervised Alarm Conditions
NORMALLY CLOSED
UNUSED
INPUTS
MUST ALSO
BE WIRED
NORMALLY OPEN
UNUSED
INPUTS
MUST ALSO
BE WIRED
1 K
?
1 K
?
1 K
?
1 K
?
1 K
1 K
?
NORMALLY OPEN
NORMALLY CLOSED
ALARM
GND
+V
+V
ALARM
GND
+V
+V
NO ALARM
GND
ALARM
GND
+V
+V
+V
NO ALARM
GND
CUT
BYPASS
CUT
NO ALARM
GND
NO ALARM
GND
+V
BYPASS
ALARM
GND