Technical Specifications 24VDC operating power; speed pulse input; relay trip output; independent speed monitoring circuit. Operating temperature: -40℃ ~ +85℃.
Functional Features Independent speed measurement; overspeed detection and trip output; self-test function; alarm signal output.
Application Scenarios Gas engine, diesel engine and turbine safety overspeed protection systems.
Performance Parameters Fast trip response, high speed detection accuracy, independent protection channel separated from governor.
Structural Characteristics Rack pluggable PCB, onboard trip relay, dedicated speed signal terminals.
Working Principle The board continuously receives pulse signal from magnetic pickup sensor and calculates real-time rotating speed. When speed exceeds threshold, the trip relay actuates to cut off fuel/gas supply.
Installation Requirements Install in control cabinet; use shielded twisted pair cable for speed sensor wiring.
Usage Notes Test overspeed trip function during commissioning; periodically verify sensor wiring and trip loop integrity.
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