Technical Specifications 8 analog input channels; signal type: 4–20 mA current loop; 16-bit resolution; ±0.1% full-scale accuracy; 24V DC loop power supply; channel-to-channel isolation; operating temperature: -40°C to +65°C.
Functional Features Multi-channel analog signal acquisition; loop power supply for field transmitters; signal filtering; channel fault detection; open-circuit detection.
Application Scenarios Process variable integration with machinery monitoring, temperature and pressure signal acquisition, process transmitter interface, condition monitoring system input.
Performance Parameters High conversion accuracy; low signal drift; stable measurement over temperature; fast channel sampling.
Material Composition Flame-retardant plastic housing, precision ADC circuit board, current loop drivers, gold-plated backplane connector.
Structural Characteristics Rack plug-in module, front channel status LEDs, rear terminal block, system backplane interface.
Working Principle Supplies loop power to field 4–20mA transmitters, receives analog current signals, converts them to digital values through analog-to-digital converters, and transmits the data to the system controller.
Installation Requirements Install in system I/O rack; connect field transmitter wiring to terminal block; configure input range and filtering in system software.
Usage Notes Use shielded cable for analog signals; verify loop power supply polarity; calibrate channels at specified intervals.
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