TRICONEX 3700A Triple Modular Redundant (TMR) Safety Controller

Description

• Protection Class: IP20 (rack-mounted installation)
• Installation Method: TRICON standard 3U rack installation
• Processor: Industrial-grade dual-core CPU with a main frequency of 800MHz
• Memory Configuration: 1GB DDR3 RAM, 4GB Flash storage
• Control Cycle: Minimum 0.5ms (for logic operations)
• Redundancy Architecture: Triple Modular Redundant (TMR) with three parallel channels and voting mechanism
• Communication Interfaces:
  • 2 x Gigabit Ethernet ports (supporting TCP/IP, OPC UA)
  • 4 x RS485 serial ports (Modbus RTU/TCP)
  • 1 x TRICON bus interface (redundant backup)
• I/O Expansion Capability: Supports up to 32 TRICONEX 3000 series I/O modules, with a maximum of 8192 I/O points
• Current Consumption: Typical 500mA (24V DC), maximum 750mA (24V DC)
• Dimensions: 175mm × 120mm × 80mm (length × width × height)
• Weight: 1.8kg
• Power Consumption: Typical 12W, maximum 18W
• Certifications: CE, UL, CSA, IEC 61508 SIL 3, FM Class 1 Div 2, ATEX Zone 2, IEC 61158
• Compatibility: TRICONEX 3000 series I/O modules, Safety Instrumented Systems (SIS), SCADA systems, MES systems, and third-party industrial control equipment
• Programming Environment: TRICONEX TriStation 1131 programming software (supports IEC 61131-3 programming languages)

Functional Features

• Triple Modular Redundant (TMR) Architecture: Three independent control channels operate in parallel, with a voting mechanism ensuring continuous execution of safety control logic even if one channel fails.
• High Reliability: Industrial-grade dual-core CPU with 1GB DDR3 RAM and 4GB Flash storage enables high-speed logic operations and real-time processing of critical data.
• Extensive I/O Support: Supports up to 32 I/O modules and 8192 I/O points, covering large-scale industrial installations with multiple zones and process sections.
• Advanced Communication: Dual Gigabit Ethernet ports and multi-protocol support enable seamless integration with SCADA, MES systems, and third-party devices via OPC UA and industrial Ethernet.
• Robust Environmental Tolerance: Operates reliably in extreme temperatures (-40°C to 70°C) and humidity (5%-95% non-condensing), suitable for harsh industrial environments.
• Comprehensive Diagnostics: Real-time monitoring of channel status, redundancy synchronization, communication links, and power supply stability, with precise fault localization and recording.
• Safety Certifications: Complies with ATEX Zone 2 and FM Class 1 Div 2 explosion-proof certifications, enabling use in hazardous environments.
• Wide Power Supply Range: Tolerates voltage fluctuations from 19.2V to 28.8V DC, ensuring stable operation in complex industrial power grids.
• Hot-Swapping Capability: I/O and communication modules can be replaced online without system shutdown (with system configuration support), enhancing maintenance efficiency.
• Programming Flexibility: Compatible with TRICONEX TriStation 1131 software, supporting full IEC 61131-3 programming languages for integrated safety logic, interlock control, and fault handling.

Application Scenarios

• Petrochemical Industry: Used in emergency shutdown systems (ESD), fire and gas detection (F&G), and wellhead pressure monitoring to ensure safe operations in oil and gas production and refining.
• Nuclear Power Industry: Provides safety protection and process control in nuclear power plants, ensuring safe and stable operation of critical systems.
• Metallurgical Industry: Controls equipment in steel smelting and rolling processes to enhance production efficiency and product quality.
• Pharmaceutical Industry: Used for process control and safety protection in pharmaceutical manufacturing, ensuring compliance with strict safety standards.
• Chemical Parks: Integrates into safety control systems for large-scale chemical production facilities, monitoring reactors, distillation columns, and storage tanks.
• Power Generation: Ensures safe operation in thermal power plants, including boiler and turbine protection systems.
• Other High-Risk Industries: Applicable in offshore oil platforms, LNG terminals, mining automation, and aerospace ground equipment, where high safety and reliability are critical