The ICS Triplex T8111C, also cataloged as the T8111 TMR Processor, operates as the primary computational hardware component for executing safety-critical logic within the Trusted SIS platform.
| Parameter | Specification |
|---|---|
| Model | T8111C |
| Brand | ICS Triplex |
| Origin | N/A |
| Weight | 1.5 kg |
| Dimensions | 160 x 320 x 120 mm |
| Operating Temp | -20 deg C to +60 deg C |
| Power Consumption | 45 W |
| Processor Architecture | Triple Modular Redundancy (TMR) |
| Clock Speed | 50 MHz (per CPU path) |
| Isolation | 1500 VDC |
The T8111C utilizes a triple modular redundancy (TMR) 2oo3 architecture, housing three independent processing paths that execute parallel safety logic. A hardware-level majority-voting system compares outputs from these paths in real-time to detect and mask single-point hardware failures. This architecture enables fail-safe state execution, ensuring that the processor maintains control even during transient fault conditions. The module incorporates comprehensive galvanic isolation between the processor circuitry and the system backplane to prevent electrical noise propagation, complying with IEC 61508 SIL 3 certification requirements for high-integrity safety applications.
Q: Does the T8111C support hot-swapping within a powered Trusted main chassis?
A: Yes, the T8111C supports hot-swapping. The Trusted backplane design allows for the removal and insertion of the processor module while the system is energized, provided the replacement is performed in accordance with authorized system maintenance procedures.
Q: How does the processor maintain synchronization across its three redundant paths?
A: The T8111C implements high-speed synchronization logic across its three internal CPU paths. If one path deviates from the majority-voted state, the module flags the discrepancy through its internal diagnostics and reports the fault to the system engineering workstation while continuing to operate on the remaining two healthy paths.
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