Technical Specifications 24VDC power supply, multi-channel high-frequency pulse input. Operating temperature: -40℃ ~ +70℃, wide pulse frequency adaptation range.
Functional Features Pulse signal shaping, frequency measurement, pulse counting, signal noise filtering, channel fault detection.
Application Scenarios Prime mover speed feedback measurement, turbine speed monitoring, pulse-type flow meter signal acquisition.
Performance Parameters High sampling frequency, accurate frequency calculation, stable measurement under vibration environment.
Structural Characteristics Pluggable rack module, pulse channel status indicator lights, high-speed signal conditioning circuit.
Working Principle Weak pulse signals from sensors are shaped inside the module. The circuit counts pulse numbers within a fixed time window and calculates frequency or rotational speed, then sends measurement results to the main controller.
Installation Requirements Use shielded twisted pair cables for pulse signals, separate from frequency converter power wiring.
Usage Notes Adjust signal threshold according to pulse amplitude, avoid missing pulses at low speed.
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