Technical Specifications Supply: 18–32 V DC; 2 independent magnetic pickup inputs, 10 Hz–15,000 Hz; 1× 4–20 mA output; 4 inputs / 3 outputs, 24 V DC; 14-bit resolution; channel switchover: < 10 ms bumpless; -40 °C to +70 °C; IP20.
Functional Features Dual redundant speed sensing; automatic signal loss detection & failover; PID control; speed fault indication; selectable priority logic.
Application Scenarios Critical generator sets, turbine control systems, high-availability drives, safety-related speed control.
Performance Parameters Speed regulation: ±0.3% FSO; fault detection: < 20 ms; bumpless switchover: < 10 ms.
Material Composition Flame-retardant housing; FR-4 PCB; 16-bit MCU; dual speed interface circuits.
Structural Characteristics Rack plug-in module; front power/status/fault LEDs; rear terminal block; DIP configuration switches.
Working Principle Continuously monitors both speed channels; uses primary signal for control, automatically switches to secondary on primary failure without speed interruption.
Installation Requirements Connect two independent speed pickups via separate cables; configure channel priority; test failover before commissioning.
Usage Notes Route sensor cables separately to avoid common failure; test failover periodically; calibrate both channels.
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