Description

Product Overview

The Triconex 3636R is a high-integrity 32-point Relay Output Module designed for Triple Modular Redundant (TMR) safety systems, providing isolated switching for critical control circuits. It serves as a rugged interface between the Tricon controller and field devices, ensuring fail-safe execution of safety-instrumented functions.

Fail-Safe Relay Performance and TMR Architecture

The 3636R utilizes a Triple Modular Redundant (TMR) architecture to deliver the highest levels of availability and safety integrity. By employing three independent legs that vote on the state of each output, the module ensures that no single point of failure can cause an unintended process trip or prevent a safety shutdown. Each of the 32 non-commoned relay points provides galvanically isolated switching, making the module ideal for interfacing with diverse voltage levels or sensitive equipment. Consequently, this module is a preferred choice for Emergency Shutdown (ESD) systems and Fire and Gas (F&G) logic where mechanical isolation is mandatory.

High-Density Switching and Diagnostic Monitoring

Equipped with specialized Single Pole Double Throw (SPDT) relays, the 3636R handles a wide variety of load types with precision. The module continuously executes background self-tests to verify the health of the relay coils and the integrity of the voting circuitry. If a discrepancy occurs between the commanded state and the actual hardware feedback, the system alerts operators immediately while maintaining the safe state through its redundant pathways. Transitioning from traditional solid-state outputs to the 3636R relay module allows for higher current carrying capacities and superior protection against voltage transients in unpredictable industrial power grids.

Reliable Deployment in Rigorous Environments

Engineered for longevity, the 3636R features a robust mechanical design capable of performing millions of switching cycles under full load. The module operates reliably across an expansive thermal range, ensuring consistent performance in both climate-controlled rooms and remote field enclosures. Although this specific model reached its official discontinuance date on December 31, 2018, it remains a critical spare part for thousands of active Tricon v9 and v10 installations worldwide. Its hot-swappable capability allows maintenance teams to replace modules while the controller is fully operational, preventing costly process interruptions during hardware refreshes.

Technical Specifications