RuggedCom I800 Manual Do Utilizador
Installation
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.
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.
back
front
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
Rat
ings
:
ings
:
12
-2
4
V
,
, 2
A
P1
+
+
P1-
GND
P2-
P2+
Normally Open
Common
RuggedSwitch™
i800 family
13
RuggedCom®