The ICS TRIPLEX T8480C is a high-performance, fault-tolerant controller module from the renowned Trusted® TMR (Triple Modular Redundant) safety and critical control system platform, originally developed by ICS Triplex (now part of Rockwell Automation). This controller is the central processing unit designed for the most demanding safety instrumented system (SIS) and critical control applications where failure is not an option. The ICS TRIPLEX T8480C executes application logic across three separate, synchronized processing channels, providing continuous operation even in the event of a hardware fault in any single channel. It is engineered for extreme reliability and deterministic performance in industries such as oil and gas, power generation, and chemical processing. The architecture of the T8480C is a benchmark for achieving the highest Safety Integrity Levels (SIL 3).
The ICS TRIPLEX T9310-02 is a high-integrity, triple modular redundant (TMR) communication gateway module from the Trusted® safety and critical control system family. This module serves as a secure and fault-tolerant bridge between the core TMR controllers (like the T8800) and external subsystems or a plant’s Distributed Control System (DCS). The T9310-02 provides multiple, independent communication channels that are voted upon internally to ensure data integrity, translating the system’s internal protocol to standard industrial networks such as Modbus TCP/IP or Ethernet/IP. Its primary function is to enable seamless and reliable data exchange for monitoring and supervisory control while maintaining the system’s stringent safety integrity level (SIL 3). The robust design of the ICS TRIPLEX T9310-02 ensures that communication failures or errors do not compromise the safety functions of the critical control system, making it a vital component for integrated safety and process control architectures.
The ICS TRIPLEX T9310-02 is a high-performance, fault-tolerant input/output (I/O) termination module, specifically a Terminal Board, designed for the TRISTATION 1131 system. It serves as a critical interface between the TRISTATION’s T9432 or T9431 Fieldbus Modules and the field instrumentation within high-integrity safety instrumented systems (SIS) and critical control applications. The ICS TRIPLEX T9310-02 is engineered to provide signal conditioning, isolation, and termination for discrete (digital) input signals, such as those from limit switches, pressure switches, or emergency stop buttons. Its rugged design and inherent safety architecture ensure reliable acquisition of field status in the most demanding environments like oil & gas, chemical processing, and power generation. The module is a key component in building a robust TMR (Triple Modular Redundant) or dual-channel safety loop, where the ICS TRIPLEX T9310-02 helps guarantee that a field signal is accurately and securely read by all redundant controller channels.
The ICS TRIPLEX 9802 is a critical component of a highly specialized safety system. This module is a redundant power supply or a power conditioning module designed for the ICS Triplex Trusted® system, a fault-tolerant, triple modular redundant (TMR) safety instrumented system (SIS). The primary function of the ICS TRIPLEX 9802 is to ensure an absolutely reliable and continuous source of clean power to the critical control logic within the Trusted chassis. In safety systems where any interruption can lead to a hazardous event, this module converts and regulates incoming plant power (typically 24VDC, 48VDC, or 120VAC) into the precise, isolated, and filtered voltages required by the TMR processor modules and I/O modules. The design of the 9802 often incorporates redundancy at the component level to prevent the power supply itself from being a single point of failure, thereby upholding the overall system’s safety integrity level (SIL 3) and high availability.
The ICS TRIPLEX T8461C is a high-integrity, Triple Modular Redundant (TMR) digital output module designed for the Trusted® family of safety and critical control systems, now part of Rockwell Automation. This module is engineered for applications demanding the utmost reliability and fault tolerance, where a single point of failure is unacceptable. It provides multiple, isolated output channels to drive final control elements such as solenoid valves, motor starters, and alarm annunciators in safety instrumented systems (SIS) and critical process control. The core philosophy behind the ICS TRIPLEX T8461C is redundant hardware and voting logic, ensuring a correct output even in the event of an internal component failure. Its robust design is tailored for harsh industrial environments, making the ICS TRIPLEX T8461C a cornerstone for protecting personnel, equipment, and the environment.
The ICS TRIPLEX 151661 is a specialized Termination Panel or I/O Conditioning Unit designed for the ICS Triplex Trusted system, a highly reliable triple modular redundant (TMR) fault-tolerant control and safety platform. This panel, the ICS TRIPLEX 151661, serves as a critical interface between the sensitive electronic modules of the Trusted controller and the raw field wiring from sensors and actuators in harsh industrial environments. Its primary function is to provide signal conditioning, isolation, and physical termination points for analog or digital I/O loops, protecting the controller from voltage spikes, ground loops, and electromagnetic interference. The robust design of the ICS TRIPLEX 151661 is essential for ensuring the integrity and availability of signals in critical safety instrumented systems (SIS) and high-availability process control.
Module Type:Triple Modular Redundant (TMR) Controller / Processor Module (one channel of a three-channel system).
Architecture: Functions as one node in a 3-channel fault-tolerant controller. Three T8442 modules (or equivalents) operate in parallel, synchronously executing the same application logic.
Processing Core: Incorporates a high-performance microprocessor, often with built-in floating-point capabilities, to execute complex safety logic and regulatory control algorithms with deterministic scan times.
Memory: Contains significant onboard RAM and Flash memory for the application program, operating system, and data. Memory is typically error-correcting code (ECC) protected.
Synchronization: Utilizes a high-speed, dedicated synchronization bus to maintain microsecond-level synchronization with the other two controller modules in the TMR set, ensuring all three channels process data identically.
Voting: Participates in continuous 2-out-of-3 (2oo3) hardware and software voting on inputs, intermediate data, and final outputs with the other two channels to detect and mask failures.
Communication: Integrates with the Trusted backplane to communicate with TMR I/O modules (like the T8314, T8293) and communication modules (like the T8151B). Supports peer-to-peer communication with other Trusted systems.
Diagnostics: Features comprehensive, continuous built-in self-test (BIST) routines that check the processor, memory, and internal buses. Faults are reported to the system’s diagnostic supervisor.
Safety Certification: Certified for use in Safety Integrity Level 3 (SIL 3) applications per IEC 61508/61511 standards.
Form Factor: A single-slot module designed for installation in the primary controller slots of a Trusted TMR chassis.
Input: Accepts digital command signals from the TMR processors (via backplane).
Output: Typically provides a high-current drive output (e.g., ±200 mA or similar) for direct connection to servo valve coils.
Feedback Monitoring: Includes dedicated channels for monitoring Linear Variable Differential Transformer (LVDT) or other position feedback signals from the actuator.
Diagnostics: Comprehensive continuous diagnostics for coil integrity (open/short circuit), feedback signal validity, and module hardware health.
Fault Tolerance: Full TMR architecture; operates in a 2-out-of-3 voting configuration to tolerate any single fault.
Response Time: Engineered for very high-speed, deterministic response suitable for fast control loops.
Certifications: Designed for use in safety systems meeting rigorous standards like IEC 61508, capable of supporting SIL 3 applications.
Module Type:Triple Modular Redundant (TMR) Digital Input Module.
Input Type: Typically designed for dry contact inputs (e.g., from switches, relay contacts). The module provides a wetting voltage (often 24V DC) to detect the open/closed state of the field contact.
Input Channels: Contains multiple independent input channels per module (e.g., 8, 16, or 32 channels). Each channel processes a single field contact.
Redundancy Architecture: Employs true hardware TMR at the channel level. Each field input is connected to three identical, but electrically isolated, input circuits within the module. These three circuits provide independent readings to the three controller channels.
Fault Tolerance: Can tolerate the failure of any one of the three internal input circuits for a given channel without corrupting the input data. The TMR controller performs a 2-out-of-3 vote on the three signals to determine the true state of the field contact.
Isolation: Provides high-grade channel-to-channel isolation and field-to-system isolation. This prevents ground loops, noise interference, and prevents a fault on one input or field wire from affecting others.
Diagnostics: Includes continuous online diagnostics that monitor the health of the internal power supplies, each of the three input circuits per channel, and the overall module logic. Faults are reported in detail to the main TMR controller.
Response Time: Very fast input response and filtering, suitable for high-speed safety interlock logic.
Safety Certification: Certified for use in Safety Integrity Level 3 (SIL 3) applications per IEC 61508/61511 standards.
Form Factor: A single-slot module designed for installation in the Trusted system’s main or expansion I/O chassis.
Input Type: Analog, configurable for current or voltage.
Input Channels: Typically 8 channels (configuration dependent).
Signal Ranges: 4-20mA, 1-5V DC, and other ranges via configuration.
Resolution: High-resolution (e.g., 16-bit) analog-to-digital conversion for precise measurement.
Isolation: Channel-to-channel and channel-to-system isolation to prevent noise and ground loop interference.
Diagnostics: Comprehensive continuous self-diagnostics, including open-circuit detection, short-circuit detection, and out-of-range alarms.
Fault Tolerance: TMR architecture; the module operates in a 2-out-of-3 voting configuration, allowing it to tolerate a single fault without compromising system integrity.
Communication: Interfaces via the trusted backplane with the TMR processors.
Certifications: Designed to meet stringent international safety standards (e.g., IEC 61508, SIL 3 capable).
Module Type:Triple Modular Redundant (TMR) Analog Output Module.
Output Type: Typically provides a single 4-20 mA DC current output signal per channel, though specifications may vary (e.g., 0-20 mA). The output is sourced from the module (active).
Redundancy Architecture: Employs true hardware TMR at the component level. The module contains three completely independent analog output circuits (one per controller channel). A sophisticated hardware voting network compares the three signals and delivers the correct 2-out-of-3 voted output to the field.
Fault Tolerance: Can tolerate the failure of any one of its three internal output circuits without interrupting the correct analog signal to the field. The system diagnostics will identify the faulty sub-circuit.
Load Capacity: Capable of driving a specified maximum load resistance (e.g., 750 Ohms or more), ensuring compatibility with most field devices and long cable runs.
Accuracy & Resolution: High accuracy (e.g., ±0.1% of span) and resolution (e.g., 16-bit) to ensure precise control signal generation.
Isolation: Provides high-grade channel-to-channel and channel-to-field isolation to prevent fault propagation and protect the controller from field-side transients.
Diagnostics: Extensive continuous online diagnostics monitor the health of each of the three internal output circuits, the voting logic, and the final output stage. Faults are reported back to the main TMR controller.
Safety Certification: Certified for use in Safety Integrity Level 3 (SIL 3) applications per IEC 61508/61511 standards.
Form Factor: A single-slot module designed for installation in the Trusted system’s main or expansion I/O chassis.
Compatibility: Designed for specific Tricon (e.g., v9, v10) and Trident chassis models. It is crucial to verify the exact chassis part number.
Input Voltage: Accepts a range of input voltages, typically 120/240V AC or 125V DC, from the plant’s uninterruptible power supply (UPS) or secure power source.
Output Power: Supplies multiple isolated and regulated DC voltage rails (e.g., +5V, ±12V, +24V) to power all modules within the chassis.
Redundancy: Employs a TMR architecture internally, featuring three independent power conversion and monitoring circuits. The outputs are voted upon to ensure a single internal fault does not disrupt power to the controller.
Hot-Swap Capability: Designed to be hot-swappable, allowing for replacement or maintenance without shutting down the safety controller, thus maximizing system uptime.
Diagnostics & Monitoring: Comprehensive self-diagnostics with LED status indicators for input power, output health, and module faults. Fault status is communicated to the main processor.
Certifications: Designed and tested for use in Safety Integrity Level (SIL) 3 applications, meeting rigorous standards such as IEC 61508.
