ICS Triplex T7122 24VDC 512K Triple-Modular Redundant (TMR) Processor Module

Technical Specifications

  1. Electrical Specifications
    • Operating Voltage: 20–30 VDC (rated 24 VDC)
    • Maximum Power Consumption: 100 VA
    • Memory Capacity: 512K Bytes of program and data memory
    • Input Channels: 40 channels per Field Terminal Assembly (FTA)
    • Field Connections: Industry – standard 2 – wire field device connections; fused field power per channel
    • Isolation: Reinforced electrical isolation between field circuits and backplane to prevent cross – interference
  2. Mechanical Specifications
    • Chassis Compatibility: Specifically designed for T7102 controller chassis (Part No.: 700216, Rev: C)
    • Dimensions: Standard ICS Triplex module form factor, compatible with standard rack – mount installation
    • Weight: Approximately 3.19 kg (varies slightly by revision)
    • Mounting: Supports standard DIN – rail and rack – mount installation via chassis; hot – swappable via push – button “education” function
    • Indicators: On – board LEDs for power status, module health, fault alerts, and field power integrity
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Description
  1. Environmental Specifications
    • Operating Temperature: – 40°C to +70°C
    • Storage Temperature: – 40°C to +85°C
    • Relative Humidity: 5%–95% (non – condensing)
    • Shock Resistance: 30 g, 11 ms duration (meets industrial vibration/shock standards)
    • Vibration Resistance: 5 g, 10–150 Hz (sustained operation without performance degradation)
  2. Software & Compatibility
    • Software Version: Compatible with ICS Triplex system software Version 3.5 and above
    • Communication: SmartSlot backplane interface for “one – to – many” hot replacement of input modules
    • Fault Logging: Time – stamped fault historian for post – incident analysis and compliance reporting

Functional Features

  1. Triple – Modular Redundancy (TMR) Architecture: 3 – 2 – 0 voting logic ensures that a single module fault does not affect system operation; hardware voting eliminates software – related failure points.
  2. Push – Button Hot Replacement: Modules can be replaced while the system is running by pressing the “education” button, no program reload or system restart required, minimizing downtime.
  3. Automatic Fault Management: Real – time fault detection, isolation, and logging with time – stamped records for rapid troubleshooting and compliance documentation.
  4. Fused Field Protection: Individual fuses for each field input channel prevent damage from overcurrent or short – circuits in field wiring.
  5. Seamless System Integration: Works with ICS Triplex FTAs and T7102 chassis to scale input capacity; SmartSlot interface enables flexible module replacement without reconfiguration.
  6. LED Status Indicators: Clear visual feedback for power, module health, and field power integrity simplifies on – site diagnostics without additional tools.
  7. High Environmental Ruggedness: Operates reliably in extreme temperatures, high humidity, and harsh vibration/shock conditions common in industrial settings.

Application Scenarios

  1. Safety Instrumented Systems (SIS): Deployed in oil & gas, chemical, and petrochemical plants to execute emergency shutdown (ESD), fire & gas (F&G), and burner management systems (BMS) where failure is intolerable.
  2. Critical Process Control: Used in nuclear power auxiliary systems, semiconductor manufacturing, and pharmaceutical production lines that demand uninterrupted operation and precise control.
  3. Distributed Control Systems (DCS): Acts as a redundant processing node in large – scale DCS for refineries, power generation, and water/wastewater treatment facilities.
  4. Marine & Offshore Applications: Suitable for offshore platforms and marine vessels that require reliable control in corrosive, high – vibration, and temperature – fluctuating environments.
  5. Mining & Heavy Industry: Controls conveyor systems, ventilation, and safety interlocks in mining operations where equipment access is limited and downtime is costly.

Additional Information

  • Origin: United States
  • Warranty: 12 – month warranty for new original units; extended warranties available via Rockwell Automation service contracts
  • Revision Compatibility: Assy Rev: B, Module Rev: E (common current revisions); backward – compatible with earlier T7102 chassis revisions with proper configuration
  • Compliance: Meets IEC 61508, ANSI/ISA – 84.00.01, and other global safety and industrial standards for SIS and control systems
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