Technical Specifications
Number of channels: 8. Input: 4-20mA DC, 50Ω loop impedance. Resolution: 14-bit. Accuracy: ±0.2% full scale. Loop drive voltage: 24V DC internal. Isolation: 500V AC. Power dissipation: 2W. Operating temperature range: 0°C to +60°C.
Functional Features
Integrated loop driver power supply. 50Ω optimized input impedance. Built-in loop fault detection. Per-channel status indicators. Hot-swap capability.
Application Scenarios
It interfaces with 2-wire 4-20mA process transmitters in DCS systems for general process monitoring and control.
Performance Parameters
Accuracy: ±0.2% full scale. Update rate: 100ms per channel. Loop voltage: 24V DC. Operating temperature range: 0°C to +60°C.
Material Composition
Housing: flame-retardant plastic. PCB: FR-4. Loop drivers: precision current sources. Connectors: gold-plated copper.
Structural Characteristics
Standard CENTUM module form factor, front panel LEDs, rear connector, card guide mounting.
Working Principle
It supplies loop drive voltage to 2-wire transmitters, measures the loop current, conditions and digitizes the signal, and transmits process data to the controller.
Installation Requirements
Install in CENTUM chassis. Connect 2-wire transmitters. Verify loop polarity. Configure ranges.
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