Description

The ICS TRIPLEX T8110B is a triple-redundant digital input safety module within Rockwell Automation’s Trusted® platform, designed for mission-critical shutdown systems in hazardous industrial environments. Originally developed by ICS Triplex and now fully supported by Rockwell, this SIL 3-certified (IEC 61508/61511) module processes discrete signals from emergency stops, flame detectors, or pressure switches with fault-tolerant reliability. The ICS TRIPLEX T8110B employs Triple Modular Redundancy (TMR) architecture—three independent channels validate each input signal through continuous voting—eliminating single-point failures. Its galvanic isolation (2,500 V AC) protects against ground loops and voltage surges, while configurable debounce filters (0–60 ms) reject transient noise. Hot-swappable and rated for -40°C to +70°C operation, the ICS TRIPLEX T8110B integrates seamlessly with Trusted controllers like the T8460 via high-speed TMB buses. For oil refineries, power plants, and chemical facilities, this module delivers zero-false-trip performance where safety overrides all operational priorities.

ICS TRIPLEX T8110B

Technical Specifications

Main Features and Advantages

TMR-driven safety integrity: Three isolated input circuits per channel cross-validate signals, with disagreement triggering a safe state within 20 ms—critical for ESD applications. Advanced diagnostics: Continuous monitoring detects stuck-at faults, wire breaks, and channel mismatches, logging events via TRISTATION 1131 software. Flexible field integration: Supports both dry contacts and 24–48 V DC wet inputs, with per-group configurability for debounce filtering to reject machinery vibration noise. Environmental robustness: Conformal-coated PCBs resist humidity and corrosive atmospheres, while 50g shock tolerance ensures reliability in seismic zones. Compared to single-channel alternatives, the ICS TRIPLEX T8110B reduces spurious trips by 99.9% through voter logic, maximizing operational availability. Its tool-free terminal blocks accelerate wiring, and hot-swap capability eliminates planned downtime during replacements.

Application Field

The ICS TRIPLEX T8110B anchors safety instrumented systems (SIS) where false signals risk catastrophic outcomes. In offshore platforms, it processes signals from gas detectors and emergency shutdown valves, surviving salt fog and constant vibration. Power generation facilities deploy it for turbine overspeed trip systems, validating rpm signals from triple-redundant sensors. Chemical plants rely on the module for burner management systems (BMS), where flame failure inputs demand nanosecond-grade consistency. Pharmaceutical manufacturers use it in automated filling lines to monitor door interlocks and pressure relief valves, with IP20-rated chassis compatibility. For mining conveyors, the ICS TRIPLEX T8110B interprets belt alignment switch inputs, rejecting electromagnetic interference from 10 kV drives. Its SIL 3 pedigree also suits nuclear reactor control rod position monitoring, where signal integrity overrides cost considerations.

ICS TRIPLEX T8110B

Related Products

Trusted T8110C: Enhanced version with 32 channels and Cyber Security Level 1 (CSL1) certification.

Trusted T8460: Main controller for executing safety logic with T8110B inputs.

Trusted A6210: Analog output module for closed-loop safety control.

Trusted T8151B: Digital output module pairing with T8110B for complete ESD chains.

Trusted T8700: Network gateway for integrating Trusted TMB with Ethernet/IP.

Trusted T8431: Triple redundant CPU for high-availability systems.

ProSafe-RS Scade Pro: Software alternative for SIL 3 logic configuration.