Technical Specifications 24VDC power supply, multi-channel isolated analog input, supports 4-20mA and 0-10V signals. Operating temperature: -40℃ ~ +70℃.
Functional Features Analog signal sampling, electrical isolation, over-range detection, channel fault diagnosis, digital filtering.
Application Scenarios Turbine auxiliary system parameter collection, engine sensor signal acquisition, DCS analog signal interface.
Performance Parameters High sampling resolution, low temperature drift, independent channel isolation to avoid cross interference.
Structural Characteristics Rack pluggable module, individual LED indicator for each analog input channel.
Working Principle Field analog signals are transmitted to the module through terminal boards. After isolation and AD conversion, digital data is transmitted to the main controller via the backplane internal bus for logic processing.
Installation Requirements Install on matching 9907 rack, lock backplane connectors tightly, separate analog wiring from power cables.
Usage Notes Set correct signal type and range for each channel before power-on, prevent overvoltage damage to input channels.
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