Technical Specifications 24VDC power supply; multiple galvanic isolated analog input channels; on-board filtering and overrange protection circuit. Operating temperature: -40℃ ~ +70℃.
Functional Features High-precision analog signal sampling; signal isolation and noise filtering; overrange input protection; per-channel fault diagnosis.
Application Scenarios Gas turbine, steam turbine and genset process parameter monitoring cabinets.
Performance Parameters Low measurement error, low signal distortion, stable sampling performance under industrial electromagnetic interference.
Structural Characteristics Rack pluggable PCB, onboard signal terminals, built-in EMC filtering components.
Working Principle Weak analog signals from field transmitters enter this board. Noise is filtered and signals are isolated, then analog values are converted to digital data and transmitted to the main controller for logic operation.
Installation Requirements Install as close as possible to field sensors; separate analog signal cables and high-power cables.
Usage Notes Carry out periodic channel calibration; avoid overrange input to prevent damage to sampling channels.
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