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2.5 Failsafe Alarm Relay Wiring and Specifications
The “Failsafe” output relay is provided to signal critical error conditions that may
occur on RS2000 series products. The contacts are energized upon power-up of
the unit and remain energized unless a critical error occurs. The proper relay
connections are shown in Figure 22. Control of the output is user-selectable and
can be prog
rammed via the Rugged Operating System (ROS®). One common
application for this output is to signal an alarm if a power failure or removal of
control power occurs.
Figure 22: Failsafe Alarm Relay Wiring
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RuggedCom
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RuggedSwitch
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RSG2288 Installation Guide rev103