Technical Specifications 24VDC power supply, multi-channel magnetic pickup pulse input. Operating temperature: -40℃ ~ +70℃, wide input frequency range.
Functional Features Pulse waveform shaping, speed calculation, speed signal filtering, probe open-circuit detection, speed value output to main controller.
Application Scenarios Gas engine governor speed feedback, small steam turbine speed monitoring, prime mover speed closed-loop control.
Performance Parameters Stable low-speed measurement, small speed jitter, good resistance to electromagnetic interference.
Structural Characteristics Pluggable rack module, speed channel running and fault indicator lights.
Working Principle AC pulse signals generated by the speed gear and magnetic pickup enter the module. After shaping into square wave pulses, the internal counter calculates frequency and converts frequency data into rotational speed.
Installation Requirements Shielded twisted pair cable for speed sensor, keep away from high-current and variable-frequency power lines.
Usage Notes Adjust sensor air gap according to specification, replace probe when speed signal loss occurs frequently.
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