Original ICS Triplex 40‑channel TMR analog input module for Trusted safety control rack, SIL3 certified spare part.

Product Overview

T8431 is ICS TRIPLEX Trusted series 40‑channel analog input module for TMR safety‑critical control system. It collects 4‑20mA, 0‑6V and thermocouple field sensor signals, adopts triple modular redundant signal path with hardware voting logic, achieves single‑fault tolerance for ESD, process interlock and safety shutdown logic. 16‑bit high‑precision ADC ensures accurate process variable acquisition. Widely used as maintenance spare part for oil‑gas, petrochemical and power‑plant safety control cabinets.

Key Features

• 40 configurable analog input channels, supports 4‑20mA, 0‑6V and J‑type thermocouple signals
• TMR triple‑modular‑redundant architecture, hardware voting, SIL3 safety level compliance
• Per‑channel signal isolation, suppresses ground‑loop interference in industrial cabinet
• 16‑bit ADC resolution, fast 0.5ms update rate for safety‑related signal collection
• Built‑in comprehensive self‑diagnosis, LED indicators for channel and module fault prompt

• SmartSlot rack plug‑in design, supports hot‑swap on‑site maintenance

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Technical Specifications

• Brand: ICS TRIPLEX (Rockwell Automation)
• Model: T8431
• Module Type: 40‑Channel TMR Analog Input Module
• System Platform: Trusted TMR Safety Control System
• Power Supply: 20‑32VDC, nominal 24VDC
• Input Signal: 0‑22mA current, 0‑6VDC voltage, J‑type thermocouple
• Resolution: 16‑bit ADC
• Safety Certification: SIL3
• Weight: Approx 1.15kg
• Operating Temp: 0℃ ~ +60℃
• Storage Temp: ‑40℃ ~ +85℃
• Humidity: 5‑95% non‑condensing

• Installation: Plug‑in inside Trusted series rack

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Compatibility

Compatible with ICS TRIPLEX Trusted TMR safety system. Field signal loop inspection and safety system configuration download required after replacement.