Technical Specifications Channels:8 Signal Type:Voltage, Current, RTD, Thermocouple configurable per‑channel Resolution:16‑bit Isolation Voltage:1500V RMS Backplane Power Consumption:230mA @5VDC Operating Temperature:0℃～+60℃ Storage Temperature:-40℃～+85℃ Relative Humidity:5%-95%, non‑condensing Certifications:CE, UL, cUL
Functional Features Per‑channel independent sensor type configuration, multi‑sensor compatibility, high‑precision A/D conversion, fault diagnosis, group LED status, data upload to RX3i CPU.
Application Scenarios Mixed‑type field sensor acquisition, process plant multi‑parameter monitoring, temperature‑pressure combined measurement, complex process control system.
Performance Parameters Typical measurement accuracy ±0.15% full scale Single‑channel configuration will not influence other channels Continuous process‑control operation capability Shock & vibration:Comply with IEC 60068
Structural Characteristics Standard RX3i plug‑in rack module Front‑panel grouped LED indicators Front‑mount multi‑function analog signal terminal block Backplane gold‑finger bus contact Internal multi‑signal conditioning and A/D conversion circuit Mechanical locking latch
Working Principle Different types of field sensor signals access module front terminals. Per‑channel independent signal conditioning circuit adapts corresponding sensor signal. High‑precision A/D converts analog quantity to digital data, transmits to RX3i CPU via backplane bus. Diagnosis circuit identifies open‑circuit and over‑range faults.
Installation Requirements Insert module into RX3i rack slot. Reliable cabinet protective grounding. Use shielded twisted‑pair or special compensation wire according to sensor type. Separate weak‑signal cables from high‑voltage power cables. Power‑off rack before module replacement, hot‑swap forbidden. Avoid local heat source beside module position.
Usage Notes Independently set sensor type for each channel through programming software. Select matched cables for different sensors. Single‑end grounding for cable shield. Check group LED status periodically. On‑site disassembly is prohibited. Keep away from corrosive gas, liquid splash and oil mist.
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