Triconex 9566-835 Digital Output Module

Product Description

Model: 9566-835, Triconex TMR triple modular redundant digital output module, belongs to Invensys Tricon safety instrumented card series. It adopts TMR triple redundant architecture with three independent voting channels on board, equipped with comprehensive on-board self-diagnosis to detect channel failure, open circuit and short circuit in real time. The module outputs safe discrete signals to drive solenoid valves, relays and field actuators. Widely used in SIS safety interlock protection systems to achieve safe shutdown during faults. It supports online hot swap, providing high-reliability safety control for high-risk processes such as chemical and petrochemical industries. Used as spare parts for cabinet retrofitting and card replacement.

Specifications

• Model: 9566-835
• Brand: Triconex
• Series: Tricon TMR Triple Modular Redundant Safety System
• Product Type: Digital Output Module (DO Module)
• Architecture: TMR triple modular redundancy, 3-channel voting
• Channel Count: 8 digital output channels
• Output Type: Relay / Passive contact output
• On-board Diagnosis: Open circuit, short circuit and internal fault diagnosis
• Feature: Online hot-swap, single channel fault will not interrupt system operation
• Power Supply: Powered by Tricon rack backplane
• Operating Temperature: 0℃ ~ +60℃
• Ingress Protection: IP20 (installed inside rack)
• Safety Level: SIL3
• Mounting: Slot installation inside Tricon main rack

Application

1. SIS safety instrument system interlock output for oil, chemical and petrochemical plants;
2. ESD emergency shutdown system for gas pipelines and refining units;
3. Safety interlock protection control for boilers and generator sets;
4. Emergency trip loop drive for compressors and turbine units;
5. Retrofit of legacy Tricon safety control systems and spare card replacement.

Related Series Models

9566-830, 9566-831, 9566-832, 9566-833, 9566-834, 9566-836, 9566-837, 9566-838