Description
Technical Specifications
- Product Model: RXM4200
- Brand: TRICONEX
- Warranty: One Year
- Input Voltage: 24 VDC (system supplied)
- Operating Temperature: –20 °C to +60 °C
- Storage Temperature: –40 °C to +85 °C
- Response Time: ≤ 15 ms (relay actuation, typical)
- Protection Class: IP20
- Accuracy Class: Not applicable (relay-based discrete output module)
- Output Frequency: Not applicable
- Rated Current Range: Up to 2 A per relay contact (resistive load, typical)
- Communication Interface: Tricon backplane interface
- Supported Protocols: Tricon proprietary safety communication
- Overload Capacity: Designed to withstand short-duration inrush and transient overloads per Tricon standards
- Dimensions: Approx. 233 × 30 × 115 mm (H × W × D)
Product Overview
The TRICONEX RXM4200 is a relay-based output module engineered for use in Tricon safety instrumented systems, where reliable actuation of final control elements is critical to plant safety. It provides electrically isolated relay outputs that translate safety logic decisions from the controller into physical actions such as shutdowns, isolations, or equipment trips. This design is especially suitable for interfacing with field devices that require dry contact switching or higher load tolerance than semiconductor outputs.
By combining robust relay technology with native Tricon integration, this module helps ensure predictable behavior under both normal and fault conditions. It supports clear separation between safety logic and field power, reducing the risk of common-cause failures. Maintenance teams benefit from straightforward diagnostics and proven relay characteristics, while system designers gain flexibility when connecting a wide range of actuators. The module is well suited for long service life in regulated industries where functional safety, traceability, and deterministic operation are mandatory.
Key Functions
Relay-Based Safety Actuation
The module converts safety logic outputs into isolated relay contacts, enabling dependable control of valves, contactors, and shutdown devices in critical loops.
Electrical Isolation Between Control and Field
Relay isolation helps protect the safety controller from field-side faults, noise, and transient conditions, improving overall system resilience.
Native Tricon System Integration
Designed for seamless operation within TRICONEX architectures, it connects directly to the Tricon backplane, simplifying configuration and reducing integration risk.
Predictable Fault Response
In abnormal conditions, the relay design supports defined fail-safe behavior, helping ensure that connected equipment moves to a safe state.
Application Scenarios
Emergency Shutdown Systems in Oil & Gas
The module is commonly used to drive shutdown valves and isolation devices, ensuring rapid and reliable actuation during detected hazardous events.
Chemical and Petrochemical Safety Loops
It supports reactor trips, feed isolation, and utility shutdowns where relay outputs are preferred for compatibility with legacy or high-power field devices.
Power Generation Protection Systems
In turbine and balance-of-plant applications, the module interfaces with trip circuits and auxiliary equipment requiring robust dry-contact control.
Industrial Plants with Mixed I/O Requirements
It is well suited for facilities that combine modern safety controllers with traditional relay-driven actuators, enabling consistent safety performance across generations of equipment.
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