Technical Specifications 24VDC power supply, multi-channel digital input. Operating temperature: -40℃ ~ +70℃.
Functional Features Switch state acquisition, optical isolation, signal debounce filtering, status upload.
Application Scenarios Unit auxiliary equipment and valve status monitoring.
Performance Parameters High isolation strength and stable signal identification.
Structural Characteristics PCB with gold-plated edge connector and channel LED indicator.
Working Principle Identify the on-off state of each channel and convert it into digital signal and upload to the main controller.
Installation Requirements Weak signal wiring is far away from high-voltage power cable.
Usage Notes Confirm the input signal voltage level before wiring.
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