Description
1. Product Title
Triconex TCM 4355X – Trip Completion & Safety System Communication Module
2. Product Overview
The TCM 4355X is a professional Trip Completion Module developed by Triconex, built on triple modular redundant (TMR) architecture for safety instrumented systems (SIS) and emergency shutdown control platforms. As a core functional unit in Triconex safety controllers, TCM 4355X executes trip circuit verification, safety action feedback, and cross-system data communication, resolving hidden risks such as incomplete safety trip execution, signal transmission loss and single-point failure in critical process industries. Equipped with comprehensive self-diagnosis and fault voting logic, the module supports hot-swap maintenance without system downtime, and complies with SIL 3 functional safety standards to guarantee continuous, error-free operation of high-risk production protection loops.
3. Technical Specifications
- Brand: Triconex
- Model: TCM 4355X
- Warranty: One Year
- Condition: 100% New & Original
- Power Supply: 24 VDC ±15% dual redundant power input
- Input/Output: Multi-channel digital trip monitoring input and safety feedback output, analog signal support 0-20mA input / 4-20mA output
- Operating Temp: -40°C to +70°C industrial ambient range
- Communication: Modbus TCP/RTU, PROFIBUS, HART, Ethernet IP, isolated RS-232/RS-485 serial ports
- Dimensions/Weight: 19-inch 4U rack mount chassis, approximately 5.2kg
- Core Architecture: TMR triple redundant processor voting system, 10ms cross-check cycle
- Certifications: IEC 61508 SIL 3, ATEX, IECEx, FM, CSA hazardous area approval
- Diagnostics: Front panel LED status indication, continuous link self-test, network fault logging and remote web-based troubleshooting
4. Application Scenarios
- Oil & Gas Upstream & Refining: Installed in ESD (Emergency Shutdown) and F&G (Fire and Gas) safety systems for offshore platforms, crude oil refineries and natural gas compressor stations, verifying full execution of pressure relief and equipment isolation trips.
- Thermal & Nuclear Power Generation: Deployed in turbine protection systems, burner management control and reactor safety interlock loops, ensuring reliable trip response for over-speed, over-temperature and abnormal vibration conditions.
- Petrochemical & Continuous Process Plants: Integrated into SIS safety loops for chemical reactors, high-pressure pipelines and hazardous material storage facilities, validating safety shutdown actions and transmitting real-time trip status to upper DCS and SCADA platforms.
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