Digital guide
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Detailed content
- Technical Specifications:
- Channel Quantity: 8 universal analog input channels
- Input Signal Types: 4–20 mA DC current, 1–5 V DC voltage, thermocouple, RTD resistance thermometer
- Measurement Accuracy: ±0.1% FS
- Sampling Speed: 200 ms per channel
- Isolation: Channel‑to‑channel electrical isolation
- Power Supply: 24 VDC from DCS backplane
- Operating Temperature: -20°C ~ +70°C
- Dimensions (W×H×D): 130 mm × 140 mm × 35 mm
- Weight: 0.42 kg
- Functional Features: Signal self‑diagnosis, open‑circuit/short‑circuit detection, range self‑calibration, hot‑swappable online maintenance
- Performance Advantages: High stability, high anti‑interference capability, compatible with Centum‑VP full‑series DCS hardware
- Material Composition: Housing: Flame‑retardant plastic; Internal circuit: Industrial‑grade high‑precision A/D conversion chip
- Structural Characteristics: DIN rail plug‑in design, backplane bus connection
- Working Principle: Collect field analog signals, convert to digital data via A/D converter, transmit to DCS main control unit for processing
- Applicable Industries: Petrochemical, power generation, metallurgy, pharmaceutical, large‑scale process industrial control
- Installation Requirements: Installed in Centum‑VP dedicated DCS cabinet, standard DIN rail fixing
- Usage Precautions: Use shielded cables for field signal wiring; regular module self‑calibration
