Technical Specifications Power from PLC back‑plane bus; 8‑channel RTD inputs; Supports Pt100 and multiple RTD types Operating temperature:0℃~+60℃; Storage temperature:‑40℃~+85℃; Humidity:5‑95% non‑condensing Mounting:PLC rack plug‑in mounting
Functional Features Multi‑channel RTD temperature acquisition. Sensor wire break detection. Signal noise filtering. Front‑panel LED for channel status and fault alarm.
Application Scenarios Temperature monitoring for GE Series 90‑30 PLC automation systems. Factory and power‑plant equipment temperature measurement. Spare replacement module.
Performance Parameters Stable temperature conversion accuracy. Sensor break‑age detection. Good industrial‑environment noise immunity.
Material Composition Flame‑retardant plastic module housing. Multilayer glass‑fiber epoxy conformal coated PCB. RTD conditioning circuits, A/D converter chip, back‑plane connector and field terminals.
Structural Characteristics Standard 90‑30 rack plug‑in module. Rear connector connects PLC back‑plane bus. Front‑panel sensor wiring terminals and LED status indicators. Module locking latch.
Working Principle RTD sensors connect to front terminals. On‑board circuit converts resistance variation into digital temperature values. Data is sent to PLC CPU over back‑plane bus.
Installation Requirements Power off PLC rack before replacement. Insert module into designated rack slot and lock latch. Wire RTD sensors. Restore PLC power, configure sensor type parameters and verify temperature reading.
Usage Notes Prohibit hot‑swap under powered condition. Sensor cable shielding follows project requirements. Anti‑static handling required.
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