Description
GE H20CI-1 Technical Specifications:
- Input Type: 4-20 mA Current Loop.
- Resolution: High-resolution ADC.
- Isolation: Channel-to-channel and channel-to-bus isolation.
- Accuracy: High-precision measurement with low drift.
Functional Features:
- Loop Power: Provides 24V DC loop power for 2-wire transmitters.
- Open Wire Detection: Detects broken field wiring.
- Scaling: Software-configurable engineering units.
- Filtering: Adjustable digital filtering for noisy environments.
Application Scenarios:
- Temperature, pressure, and flow measurement.
- Level monitoring in tanks and vessels.
- Process control and optimization.
Performance Parameters:
- Input Impedance: Low impedance for current loop compatibility.
- Update Rate: Fast scan rate for dynamic processes.
- Common Mode Rejection: Excellent noise immunity.
Material Composition & Structural Characteristics:
- PCB: Precision analog front-end components.
- Terminals: Screw terminals for field wiring.
- Indicators: Status LEDs for power and fault.
Working Principle: The module measures the voltage drop across a precision shunt resistor to determine the loop current. This value is digitized, scaled, and transmitted to the controller.
Installation Requirements:
- Wiring: Use shielded twisted-pair cable.
- Grounding: Ground shield at one end only.
- Polarity: Observe correct polarity for current loop.
Usage Precautions:
- Loop Power: Do not exceed the maximum loop power capacity.
- ESD: Handle with ESD precautions.
- Calibration: Verify calibration periodically.
