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Triconex 4351B

The Triconex 4351B is a high-performance, fault-tolerant programmable logic controller (PLC) designed specifically for critical control and safety applications. It is suitable for a wide range of complex industrial processes and scenarios.

Detailed content

Technical Specifications

  • Processor: 32-bit with a clock speed of 33MHz, ensuring efficient logical operations and data processing capabilities.
  • Memory: Equipped with 1MB of RAM and 4MB of flash memory, capable of storing more programs and data, supporting more complex control logic.
  • I/O Interfaces: Provides analog, digital, serial, Ethernet, and other I/O interfaces for easy connection and communication with various sensors and actuators.
  • Redundancy: Utilizes a Triple Modular Redundancy (TMR) architecture, with three completely independent processors simultaneously executing the same logic. This redundancy ensures high availability and fault tolerance of the system.
  • Communication Protocols: Supports various communication protocols such as Modbus, DNP3, OPC, etc., ensuring interoperability with different devices and systems.
  • Serial Ports: 4
  • Network Ports: 2
  • Port Isolation: 500 VDC
  • Protocols: TriStation, Modbus, TCP/IP, ICMP, SNTP, TSAA (supports IP multicast), Trimble GPS, embedded OPC server (for models 4353 and 4354), point-to-point (UDP/IP), point-to-point time synchronization.
  • Injection Molded Copper Ethernet Port: 10/100 Mbps (model 4353 only supports 100 Mbps).
  • Optical Fiber Ethernet Port: 100 Mbps.
  • Serial Port: Each port up to 115.2 Kbps.
  • Weight: 3.18 kg.

Functional Characteristics

  • High-density input: The module is typically equipped with multiple digital and analog input channels, allowing simultaneous monitoring of multiple signals.
  • Multiple input types: Supports various digital and analog input types, including digital switch inputs, analog voltage inputs, analog current inputs, etc., to meet the needs of different applications.
  • High resolution and precision: Has high-resolution and high-precision signal acquisition capabilities to ensure accurate reading of input signal states and values.
  • Real-time control: Capable of responding in real-time to changes in input signals to ensure high control accuracy and reliability.
  • Programmable: Supports programmable functions, allowing users to write control logic and safety rules according to specific application requirements.
  • Fault detection and alarm: Equipped with a fault detection mechanism to monitor communication faults and generate alarms and notifications when necessary.
  • Compatibility: Compatible with other Triconex products and systems, can be integrated with Tricon and Trident systems to achieve a complete control and safety system.
  • Modular design: Makes installation, maintenance, and expansion easier. Users can add or replace modules as needed to meet different safety requirements.

Application Scenarios

  • Oil and Gas Industry: Can be used for automation and control of oil and gas production, transportation, and processing processes.
  • Chemical Industry: Used to monitor and control chemical reactions, mixing, separation, and transportation processes in chemical factories and process units.
  • Power Industry: Can be used to monitor power generation and transmission processes in power plants and power distribution systems.
  • Pharmaceutical Industry: Applied in automating drug production processes to ensure production compliance and quality control.
  • Food and Beverage Industry: Used to control production lines in food processing and packaging processes.
  • Railway and Transportation: Ensures the safe operation of trains and transportation systems.
  • Water Treatment: Used to monitor and control water quality, pressure, and flow in water treatment plants.
  • Manufacturing: Can be used for automated production processes, machine control, and quality testing in various manufacturing factories.
  • Nuclear Industry: Monitors and controls nuclear reactions and auxiliary systems in nuclear power plants and facilities.
  • Aerospace: Used to control spacecraft and ground station systems.

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