Technical Specifications 24VDC power supply, multi-channel 24V wet contact input. Operating temperature: -40℃ ~ +70℃, built-in signal debounce circuit.
Functional Features Switch status scanning, contact bounce filtering, channel open-circuit fault detection, status data uploading.
Application Scenarios Prime mover safety interlock circuits, start-stop sequence signal collection, auxiliary equipment status feedback.
Performance Parameters Fast state response, reliable contact identification, surge protection for each input channel.
Structural Characteristics Rack pluggable module, LED indicator for each digital input channel.
Working Principle The module periodically scans all input points, filters jitter signals caused by mechanical contact bounce, and transmits confirmed switch status information to the main control unit for logic judgment.
Installation Requirements Install in designated rack slots, separate discrete signal wiring from high-voltage power wiring.
Usage Notes Verify interlock logic after module replacement, prevent high voltage from entering digital input channels.
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