Description
ICS TRIPLEX T8311 Trusted TMR Expander Interface Module
Product Overview
T8311 is the master Expander Interface Module installed in the Trusted main controller chassis for Rockwell ICS TRIPLEX Trusted SIS safety‑instrumented systemRockwell A…. It acts as the hardware bridge between the main‑chassis Inter‑Module Bus (IMB) and Expander Bus, communicating with T8310 Expander Processor located in remote expander chassis over TripexNet 250 Mbps fault‑tolerant bus via UTP copper cables. Built on HIFT hardware‑implemented TMR triple‑modular‑redundant 2‑out‑of‑3 voting architecture, it provides fault‑containment for expander bus links, isolates bus faults to avoid impacting the main controller. TÜV certified SIL 3 per IEC 61508. It supports hot‑swap and hot‑standby redundant configuration. OEM production discontinued; mainly supplied as spare‑parts for oil‑gas, petrochemical and power‑plant SIS installationsRockwell A…。
Typical Applications
- Oil‑gas & petrochemical SIS: Multi‑chassis expansion for ESD emergency shutdown and F&G fire‑gas safety systems
- Chemical plant safety system: I/O capacity expansion for large‑scale safety interlock loops
- Power‑plant safety control: Trusted SIS rack‑to‑rack interconnection for boiler and turbine protection
- Off‑shore platform safety cabinet: Remote I/O expansion for safety‑critical loops
- Brown‑field retrofit & spare‑part replacement: Renew main‑chassis expander interface for existing Trusted installations
T8311
Specifications & Technical Parameters
| Item | Specification |
|---|---|
| Model | T8311 Expander Interface Module |
| System Compatibility | ICS TRIPLEX Trusted SIS platform; works with T8310 expander processor |
| Architecture | TMR triple‑modular redundant, HIFT hardware fault tolerance, 2‑out‑of‑3 voting |
| Safety Certification | TÜV SIL 3 (IEC 61508) |
| Communication | Expander Bus(TripexNet), 250 Mbps; UTP copper wiring |
| Power Supply | 20‑32 VDC, powered by main chassis backplane |
| Hot‑swap Support | Yes, online replacement without SIS shutdown |
| Operating Temperature | ‑5 ℃ ~ +60 ℃ |
| Storage Temperature | ‑25 ℃ ~ +70 ℃ |
| Humidity | 5 %‑95 % RH, non‑condensing |
| Indicators | Front‑panel LED for slice health, link and fault diagnostics |
| Certifications | UL, CE compliant |
| Weight | Approx. 1.14 kg |
| Mounting | Plug‑in slot inside Trusted main controller chassis |
| Protection Class | IP20 (cabinet‑mount only) |
Key Features & Benefits
- Master‑side expander bus gateway: Resides in main chassis, converts internal IMB bus to Expander Bus for connection to remote expander chassis equipped with T8310 expander processorRockwell A….
- TMR hardware fault‑containment: HIFT triple‑slice architecture contains expander‑bus faults locally; prevents remote‑rack failures from propagating to the main safety controller.
- High‑speed deterministic TripexNet bus: 250 Mbps fault‑tolerant communication ensures real‑time synchronization of safety logic and I/O status between main‑chassis and multiple expansion racks.
- Hot‑swap & hot‑standby support: Supports online replacement and redundant standby configuration, minimizes plant downtime during maintenance.
- Comprehensive hardware diagnostics: Fast fault detection and automatic fault handling without nuisance alarms; front‑panel LEDs simplify commissioning and troubleshooting.
- Seamless Trusted ecosystem matching: Paired with T8310 expander processor, UTP cables, compatible with full Trusted series I/O modules.
Related Series‑Family Models (Trusted SIS family)
ICS TRIPLEX Trusted safety‑system hardware
- T8311: Main‑chassis Expander Interface (target model)
- T8310: Expander Processor installed in remote expander chassis
- T8151B: Communication Interface Module
- T8471C: 32‑channel TMR digital output module
- T8403: Digital input module
Start Chat
