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2.3 Failsafe Output Wiring
The Failsafe output relay is provided via a Phoenix connector to signal critical error
conditions that may occur on the unit. The contacts are energized upon power up of
the unit and remain energized until a critical alarm condition or power loss occurs. A
common application for this output is to signal an alarm in the event of power failure.
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Figure 7: Failsafe Output Relay
Pin Function
Normally Closed
Normally closed (no power or critical
alarm condition)
Common Common relay contact
Normally Open
Normally open (no power or critical
alarm condition)
Table 4: Failsafe Output Relay Pinout
Normally Closed
Ratings:
12-24V ,
, 2A
P1+
P1-
GND
P2-
P2+
Normally Open
Common
RuggedSwitch™i800 family 13 RuggedCom®