Description
ABB DSDX451
Technical Specifications:
- Input Types: Voltage and Current (e.g., 4-20 mA, 0-10 V).
- Resolution: High-resolution analog-to-digital conversion.
- Isolation: Channel-to-channel and channel-to-ground galvanic isolation.
Functional Features:
- Universal Input Configuration: Software-selectable input ranges for flexible application.
- Noise Rejection: Advanced filtering to eliminate industrial electromagnetic interference.
- Sensor Power: Provides isolated loop power for 2-wire transmitters.
Application Scenarios:
- Precision measurement of temperature, pressure, flow, and level.
- Closed-loop PID control in chemical and pharmaceutical processes.
Performance Parameters:
- Accuracy: Excellent linearity and minimal temperature drift.
- Update Rate: Fast scanning for dynamic process control.
Material Composition & Structural Features:
- Housing: Rugged industrial enclosure.
- Terminals: Secure connections with clear polarity markings.
Working Principle:
Conditions raw analog signals through amplification and filtering, converts them to digital values using a high-resolution ADC, and transmits the data to the controller.
Installation Requirements:
- Use twisted-pair shielded cables for analog signal wiring.
- Ground the cable shield at the module end only to prevent ground loops.
Usage Precautions:
- Verify the input range configuration matches the connected transmitter.
- Avoid routing analog cables parallel to high-voltage power lines.




