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Operation
Fault Monitoring
– The SRM monitors all field wiring circuits for open and short faults. A fault is
indicated via on-board LEDs at the SRM. Fault type can be determined by observing the blink pattern of
active LEDs as listed in the LED table. Fault status is communicated to the SRP panel for indication at the
panel.
Disablement
– The SRM can be disabled by disabling all releasing circuits at the SRP panel. The
disablement is indicated via the Disabled LED at the SRM. During disablement, the SRM does not
activate the solenoid automatically but it can still be activated manually via manual release actuator.
The SRM can be re-enabled by enabling all releasing circuits at the SRP panel.
Automatic Activation
– The SRP panel signals the SRM to activate whenever the activation condition is
established. The SRM utilizes the external 24 volt power for solenoid activation. Based on the
DIL switch SW2 configuration setting, either the SRM waits for confirmation from the Discharge pressure
switch or it indicates a Released state as soon as the solenoid coil is energized.
Manual Activation
– Manual activation is done by triggering the manual release actuator. A Discharge
pressure switch is required to indicate a Released state after a manual activation.
