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ICS Triplex T8110B Trusted TMR Processor

The ICS Triplex T8110B, also cataloged as the T8110B Trusted TMR Processor, operates as a dedicated hardware component for high-integrity safety application execution within T8100 Trusted chassis platforms.

Hardware Specifications

Parameter Specification
Model T8110B
Brand ICS Triplex
Origin United States
Weight 2.94 kg
Dimensions 303 mm × 93 mm × 266 mm
Operating Temp 0 deg C to 60 deg C
Power Consumption 80 W maximum load
Voltage Range 20 to 32 VDC
Processor Clock 100 MHz
I/O Interface Triple redundant Inter-Module Bus
SOE Buffer Size 1000 events, transferred to CI buffer of 4000 events

Triple Modular Redundancy (TMR) and Fail-Safe Execution

The ICS Triplex T8110B hardware architecture utilizes a triple modular redundancy (TMR) 2oo3 architecture (3-2-0 operation) to deliver fault-tolerant computational performance. The processor incorporates three distinct processing channels configured with Motorola PowerPC hardware that execute application control programs in parallel. Integrated hardware voting logic continuously cross-checks variables, instruction sequences, and backplane transactions across all three operational channels. When the system detects a logic divergence or hardware fault within one processing domain, the operational majority voters isolate the affected path. The system maintains continuous, uninterrupted operation while logging the anomaly into the Sequence of Events (SOE) buffer. The design enforces galvanic isolation boundaries to safeguard internal computing structures against external backplane noise and transient potentials. This architecture ensures predictive fail-safe state execution, maintaining complete functional compliance under severe fault conditions as mandated by TÜV certified IEC 61508 SIL 3 standards.

Frequently Asked Questions

Q: Does the T8110B support live module swaps without stopping the execution of application logic?

A: Yes, the T8110B architecture supports full hot replacement capability. Technicians can execute a live swap of a processor module without reloading system application programs or shutting down the active chassis.

Q: How does the processor handle synchronization for time-critical diagnostic events?

A: The processor features a dedicated IRIG-B002/122 time synchronization interface. The unit records fault data using an internal time-stamped historian, capturing sequence-of-events data directly into a local buffer before transmission.

Field Installation Guidelines

  • Chassis Insertion: Position the module straight within the guide rails of the designated T8100 Trusted chassis slot. Apply uniform pressure until the rear multi-pin array fully mates with the triple redundant Inter-Module Bus backplane.
  • Shielding Protocols: Ground all external serial communication connections, including the diagnostic RS232 and configurable RS422/485 lines, using high-density shielded cabling. Connect the shields directly to the primary enclosure earth bus bar.
  • Thermal Control: Maintain optimal vertical spacing constraints inside the active rack enclosure to dissipate the maximum 80 W heat load via natural convection, preventing localized thermal buildup.
  • Power Verification: Measure the incoming DC supply voltage at the chassis input terminals prior to module startup. Confirm the supply metrics remain strictly within the specified 20 to 32 VDC operational thresholds.

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