RuggedCom Switch RSG2100P Manual do Utilizador descarregar pdf (Página 18)

4.4 Failsafe Alarm Relay Wiring

The “Failsafe” output relay is provided to signal critical error conditions that may occur on the

RSG2000 series switches. The contacts are energized upon power up of the unit and remain

energized until a critical error occurs. The proper relay connections are shown in Figure 12.

Control of the output is user selectable and can be programmed 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 12: Failsafe Alarm Relay Wiring

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