Technical Specifications Channels:8 Signal Type:4‑20mA, 0‑10VDC configurable Resolution:14‑bit Isolation Voltage:1500V RMS Backplane Power Consumption:210mA @5VDC Operating Temperature:0℃～+60℃ Storage Temperature:-40℃～+85℃ Relative Humidity:5%-95%, non‑condensing Certifications:CE, UL, cUL
Functional Features High‑density multi‑channel acquisition, configurable input range, open‑circuit detection, group LED indication, digital data transmission to CPU.
Application Scenarios Multi‑point process parameter collection, chemical plant, water‑treatment plant, large‑quantity transmitter signal acquisition.
Performance Parameters Measurement accuracy ±0.2% full scale Fault tolerance: single‑channel anomaly does not interfere rest channels Continuous process‑control operation capability Shock & vibration:Comply with IEC 60068
Structural Characteristics Standard RX3i plug‑in rack module Front‑panel grouped LED status indicators Front‑side analog signal terminal block Backplane gold‑finger bus contact Internal multi‑channel signal conditioning and A/D circuit Mechanical locking latch
Working Principle Field analog current / voltage signals enter module terminals. Signal conditioning circuit completes range adjustment. Multi‑channel A/D unit converts analog signals into digital data, transmits to RX3i CPU through backplane bus. Detection circuit recognizes open‑circuit and over‑range fault conditions.
Installation Requirements Mount module into RX3i rack slot. Complete cabinet protective ground. Adopt shielded twisted‑pair cables for analog signals. Keep analog wiring far away from high‑voltage power lines. Power‑off rack for module replacement, hot‑swap forbidden. Maintain non‑condensing ambient environment.
Usage Notes Set correct signal range by programming software. Prohibit over‑voltage input to analog terminals. Single‑point grounding for cable shield. Check LED indicators regularly. Do not disassemble module on‑site. Avoid corrosive gas, liquid splash and oil mist.
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