Technical Specifications Channels:4 Signal Type:4‑20mA, 0‑10VDC configurable Resolution:14‑bit Isolation Voltage:1500V RMS Backplane Power Consumption:170mA @5VDC Operating Temperature:0℃～+60℃ Storage Temperature:-40℃～+85℃ Relative Humidity:5%-95%, non‑condensing Certifications:CE, UL, cUL
Functional Features Multi‑range analog signal configuration, high‑precision A/D conversion, channel fault detection, per‑group LED status, digital data upload to CPU.
Application Scenarios Pressure transmitter, flow transmitter, liquid‑level sensor signal acquisition, process industry analog signal collection.
Performance Parameters Measurement accuracy ±0.2% full scale Single‑channel abnormal will not affect other channels Designed for continuous process‑control operation Shock & vibration:Comply with IEC 60068
Structural Characteristics Standard RX3i series plug‑in rack module Front‑panel grouped LED indicators Front‑mount analog signal terminal block Backplane gold‑finger bus contact Internal signal conditioning and A/D conversion circuit Mechanical locking latch
Working Principle Field analog current or voltage signal accesses module terminals. Signal conditioning circuit adjusts input range. A/D converter converts analog signal to digital value. Processed data is transmitted to RX3i CPU via backplane bus. Fault detection circuit identifies open‑loop and over‑range status.
Installation Requirements Insert module into RX3i rack slot. Reliable cabinet protective grounding. Use shielded twisted‑pair cable for analog signal wiring. Separate analog signal cables from high‑voltage power cables. Power‑off rack before module replacement, hot‑swap not supported. Operate within rated temperature and humidity range.
Usage Notes Correctly configure input signal type via programming software. Prevent over‑voltage input to analog terminals. Ground shield layer of signal cable at single end. Check LED status periodically. Forbid on‑site disassembly. Avoid corrosive gas, liquid splash and oil mist.
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