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Frequently inquire Together
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InquiryICS Triplex T8311 Trusted TMR Expander Interface
The ICS Triplex T8311, also cataloged as the T8311 Trusted TMR Expander Interface, operates as a dedicated expansion module for high‑speed communication between the T8300 chassis and expander assemblies in Trusted TMR systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | T8311 |
| Brand | ICS Triplex |
| Origin | Trusted TMR systems |
| Weight | 1.14 kg (shipping weight 3 kg) |
| Dimensions | 30.3 cm × 3.1 cm × 26.6 cm |
| Operating Temp | -5 to +60 deg C (13 to 140 deg F) |
| Non-operating Temp | -25 to +70 deg C (-13 to 158 deg F) |
| Operating Humidity | 5 to 95% RH |
| Voltage Range | 20 to 32 VDC |
| Heat Dissipation | 40 W |
| Maximum Load | 40 W |
| Module Clocks | 50 MHz |
| Expander Bus Data Rate | 250 Mbps |
| I/O Interface | Expander chassis backplane |
| Compatible Chassis | T8300 |
Triple Modular Redundancy (TMR) 2oo3 Architecture
The T8311 is designed for integration into SIL3‑certified safety systems using triple modular redundancy (2oo3). Its expander bus operates at 250 Mbps, ensuring deterministic communication between redundant modules. Galvanic isolation across the backplane prevents cross‑talk and maintains fail‑safe state execution. The 50 MHz clock synchronizes module timing, supporting continuous high‑integrity operation in safety‑critical environments.
Frequently Asked Questions
Q: What is the expander bus data rate? A: The expander bus operates at 250 Mbps, enabling high‑speed communication between chassis assemblies.
Q: Is the T8311 compatible with the T8300 chassis? A: Yes, it is specifically designed for use with the T8300 chassis.
Q: How is redundancy achieved in Trusted systems? A: Redundancy is achieved through TMR 2oo3 architecture, allowing fail‑safe execution even if one module path fails.
Field Installation Guidelines
- Install the module into designated T8300 chassis slots; ensure full connector engagement.
- Maintain grounding continuity for shielding layers to minimize EMI.
- Route expander bus cabling separately from high‑voltage conductors.
- Verify environmental conditions remain within -5 to +60 deg C and 5–95% RH.
- Confirm redundancy configuration during commissioning to ensure SIL3 compliance.
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