Technical Specifications 2 independent inputs: 50 mV–30 V AC, 5 Hz–20 kHz; 2 SPDT relay outputs, 5 A at 250 V AC; Supply: 24 V DC ±10%; speed threshold field-adjustable; Operating temperature: -40 °C to +70 °C; Enclosure: IP20.
Functional Features Dual independent speed conditioning; adjustable over/underspeed trip points; optional square wave output; signal loss detection; field-configurable thresholds.
Application Scenarios Engine speed monitoring and protection, pump/compressor overspeed tripping, dual-redundant speed sensing, speed interlock circuits.
Performance Parameters Frequency accuracy: ±0.02%; Relay operate time: < 15 ms; Threshold accuracy: ±1% of setpoint.
Material Composition Flame-retardant ABS housing; signal conditioning circuit board; silver-alloy contact relays; gold-plated terminals.
Structural Characteristics Rack plug-in module; front panel channel status LEDs; rear panel terminal block.
Working Principle Conditions and measures both speed channels independently, triggers corresponding relays when speed reaches preset thresholds, and simultaneously outputs standard square wave signals to the speed control system.













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