Description
ICS TRIPLEX T8191 is an advanced industrial-grade Trusted I/O and communication module with Triple Modular Redundancy (TMR) architecture, designed for safety-critical process control in oil & gas, power generation, and chemical industries. ICS TRIPLEX T8191 integrates 16 isolated digital I/O channels, 8 analog inputs, and dual redundant communication interfaces (Modbus TCP/IP, PROFINET RT, and RS-485), enabling seamless connectivity between legacy devices and modern control systems. ICS TRIPLEX T8191 features three ARM Cortex-R5 cores operating in lockstep, with hardware-level 2-out-of-3 voting to ensure data integrity and fault tolerance. ICS TRIPLEX T8191 adopts fanless conduction cooling and a rugged 6061-T6 aluminum alloy frame, making it resistant to extreme temperatures, vibration, and electromagnetic interference. Whether upgrading interlocking systems or building new SIL 3-certified control platforms, ICS TRIPLEX T8191 delivers unmatched reliability and flexibility for mission-critical applications.
Technical Parameters ICS TRIPLEX T8191
| Parameter Item | Parameter Value |
|---|---|
| Product Model | ICS TRIPLEX T8191 |
| Module Type | Trusted TMR I/O & Communication Module |
| Processor | 3×ARM Cortex-R5 cores (lockstep operation, clock sync accuracy ±5 ns) |
| Digital I/O | 16 isolated channels (8 per group); dry/wet contact input (24VDC ±10%); 2A@30VDC MOSFET output |
| Analog Input | 8 channels; 0-10V (12-bit resolution, ±0.1% FSR accuracy) or 4-20mA (250Ω sampling resistor) |
| Communication Interfaces | 2×Ethernet (Modbus TCP/IP, PROFINET RT, 1500Vrms magnetic isolation); 1×RS-485 (Modbus RTU, auto 120Ω terminal matching) |
| Redundancy | Hardware 2-out-of-3 voting; fault masking delay <1μs |
| Power Supply | +24VDC (redundant input support) |
| Operating Temperature | -20°C to +65°C (extended industrial range) |
| Dimensions | Single-slot design (compatible with Trusted controller chassis) |
| Cooling | Fanless conduction cooling (θja=12°C/W) |
| Safety Certification | IEC 61508 SIL 3, TÜV Rheinland, EN 50128 |
| MTBF | >250,000 hours |
| Key Functions | TMR-based I/O processing; redundant communication; predictive maintenance; hot-swappable |
Advantages and Features ICS TRIPLEX T8191
- Triple Modular Redundancy (TMR): ICS TRIPLEX T8191’s three parallel cores and 2-out-of-3 voting ensure continuous operation even with single-core failures, maximizing system availability.
- Dual-Redundant Communication: Dual isolated Ethernet and RS-485 interfaces eliminate communication bottlenecks and single points of failure.
- Rugged Fanless Design: Conduction cooling and aluminum alloy frame enable reliable operation in harsh industrial environments without maintenance.
- Predictive Maintenance Capabilities: Supports capacitor aging assessment (ESR tracking) and connector cycle statistics, reducing unplanned downtime.
- SIL 3 Safety Compliance: Meets strict IEC 61508 standards, ideal for safety-critical applications like refinery interlocks and power plant protection systems.
- Hot-Swappable Operation: Module replacement window ≥30 minutes (ambient temp <50°C) with automatic configuration recovery via EEPROM backup.
Application Cases
- Oil Refinery Interlocking System: A refinery deployed ICS TRIPLEX T8191 in its distillation unit interlocks. The TMR architecture and SIL 3 certification prevented 3 potential catastrophic shutdowns in one year, reducing production losses by 22%.
- Coal-Fired Power Plant Protection: A power utility integrated ICS TRIPLEX T8191 to monitor boiler pressure and temperature sensors. Dual Ethernet enabled real-time data sharing with the SCADA system, cutting fault response time by 18%.
- Chemical Plant Batch Process Control: A chemical manufacturer used ICS TRIPLEX T8191 to control reagent dosing and valve positioning. The module’s analog input precision improved batch consistency by 15%, while hot-swappable design minimized maintenance downtime.
Competitor Comparison
| Comparison Item | ICS TRIPLEX T8191 | Honeywell FSC I/O Module | Emerson DeltaV SIL 3 I/O |
|---|---|---|---|
| Redundancy Architecture | TMR (3 cores + 2/3 voting) | Dual redundant | TMR |
| Analog Input Channels | 8 | 6 | 8 |
| Ethernet Ports | 2 (isolated) | 1 | 2 |
| Hot-Swap Support | Yes (≥30 mins replacement window) | No | Yes |
| Safety Certification | IEC 61508 SIL 3 | IEC 61508 SIL 2 | IEC 61508 SIL 3 |
| Cooling Type | Fanless conduction | Forced air cooling | Fanless conduction |
| Predictive Maintenance | Yes (ESR tracking, connector cycle stats) | No | Limited |
| Estimated Price (USD) | ~$2,850 | ~$2,400 | ~$3,100 |
Selection Suggestions
- Choose ICS TRIPLEX T8191 for SIL 3-certified safety systems (oil & gas, chemicals, power) requiring TMR-based fault tolerance.
- Opt for ICS TRIPLEX T8191 when integrating both digital/analog I/O and dual Ethernet/RS-485 communication in a single module.
- Select ICS TRIPLEX T8191 for harsh environments (extreme temperature, vibration) where fanless and rugged design is critical.
- Use ICS TRIPLEX T8191 for applications needing hot-swappable modules to minimize maintenance downtime.
- Prioritize ICS TRIPLEX T8191 for predictive maintenance capabilities, such as capacitor aging monitoring and connector health tracking.
Precautions
- Install ICS TRIPLEX T8191 in a compatible Trusted controller chassis to ensure full redundancy and backplane communication.
- Configure dual redundant power feeds (+24VDC) to avoid voltage drops affecting module performance.
- Use Trusted Tools Suite v4.3 (with security key) for parameter configuration and firmware updates, ensuring SHA-256 signature verification.
- Follow ESD protection protocols when handling ICS TRIPLEX T8191, especially during hot-swap operations.
- Enable channel-level diagnostics and set appropriate analog signal over-limit dead bands to avoid false alarms.
- For refinery or explosive environments, use the optional IP65 Ex-shield kit to meet hazardous area requirements.

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Brand new✔ In stock ✔ Fast shipping✔
PLC : Allen Bradley , Siemens MOORE, GE FANUC , Schneider
DCS : ABB ,Honeywell, Invensys Triconex , Foxboro , Ovation,YOKOGAWA, Woodword, HIMA
TSI : Triconex , HIMA , Bently Nevada , ICS Triplex
Complete service we offer
Payment: T/T
Delivery: 1-2 days
Shipment: DHL UPS FedEx, etc
After-sales service: Yes, 24/7 hours
Email: sales@plcfcs.com
Phone:+86 15343416922
Wechat:+86 15343416922
PLC : Allen Bradley , Siemens MOORE, GE FANUC , Schneider
DCS : ABB ,Honeywell, Invensys Triconex , Foxboro , Ovation,YOKOGAWA, Woodword, HIMA
TSI : Triconex , HIMA , Bently Nevada , ICS Triplex
Complete service we offer
Payment: T/T
Delivery: 1-2 days
Shipment: DHL UPS FedEx, etc
After-sales service: Yes, 24/7 hours




Email: jiedong@sxrszdh.com
Phone / Wechat:+86 15340683922
Wechat:+86 15343416922