Rockwell ICS TRIPLEX T9431 Analog Input Module 9431AI

  • Warranty: 365 days
  • Quality: Original module
  • Condition: New / Used
  • Warehouse: Spot
  • Delivery time: Shipped in 3 days after payment
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The Rockwell ICS Triplex T9431 (9431AI) is a fault-tolerant analog input module designed for critical process control in safety systems. Part of the Trusted® TMR platform, it provides triple-redundant 4-20mA/0-10V input channels with continuous self-diagnostics. Certified for SIL3 applications, it ensures fail-safe operation in oil & gas, power generation, and chemical plants where zero downtime is mandatory.


Product Specifications


General Specifications:

  • Manufacturer: Rockwell Automation (ICS Triplex)

  • Model: T9431 (Catalog Number: 9431AI)

  • System Compatibility: Trusted® TMR (Triple Modular Redundant)

  • Safety Certification: SIL3 (IEC 61508), TÜV Rheinland

Functional Features:

✅ Triple Redundancy (TMR) – Three independent input circuits per channel for fault tolerance.
✅ Analog Input Types:

  • 4-20mA (2/3/4-wire) with HART® pass-through

  • 0-10V DC (single-ended/differential)
    ✅ High Accuracy: ±0.1% FS (16-bit resolution).
    ✅ Continuous Diagnostics:

  • Open/short circuit detection

  • Out-of-range monitoring

  • On-line module health reporting
    ✅ Hot Swap Capable – Replace without system shutdown.

Performance Specifications:

  • Channels: 8 (isolated, configurable per channel).

  • Update Rate: 50ms per channel (all channels scanned in <100ms).

  • Common-Mode Rejection: >120dB @ 50/60Hz.

  • Isolation: 1500V AC channel-to-channel and field-to-logic.

Environmental & Electrical:

  • Operating Temp: -40°C to +70°C (conformal coating available).

  • Power Supply: 24V DC (18-32V range) with surge protection.

  • MTBF: >250,000 hours (FMEDA verified).

Integration & Compliance:

  • Backplane Interface: Trusted® TMR bus (50Mbps).

  • Certifications:

    • ATEX/IECEx Zone 2

    • cFMus (Class I Div 2)

    • CE/UL 61010-1

  • Software: Configured via Trusted Toolset™.


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Rockwell ICS TRIPLEX T9431 Analog Input Module 8CH...jpg

Rockwell ICS TRIPLEX T9431 Analog Input Module 8CH....jpg



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