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TRICONEX
triconex 5351S2 Signal processing module
  • Warehouse: Spot
  • Warranty: 365 days
  • Quality: Original module
  • Condition: New / Used
  • Shipping method: Courier delivery

  • Contact person: Linda
  • Contact number: +86 18059884790
  • WeChat:18059884790
  • E-mail: plc66@qq.com

Product Description


The Triconex 5351S2 Signal processing module is a high-performance device designed for industrial automation and control systems, playing a vital role in ensuring the reliable operation and precise control of industrial processes.

Design and Construction


  • TMR Architecture3: It adopts the Triple Modular Redundancy (TMR) design. Inside the module, there are three identical signal processing channels. Each channel can independently perform signal acquisition, processing, and transmission, which significantly enhances the system's reliability and fault tolerance.
  • Compact and Standardized Design: With a compact structure, it complies with industrial standard sizes, making it easy to install and integrate into various control cabinets and systems. This not only saves space but also facilitates system expansion and maintenance.

Functional Characteristics


  • Versatile Signal Input: The 5351S2 is capable of receiving a wide range of signals, including analog signals such as voltage and current, as well as digital signals like pulses and logic levels. It can interface with various sensors, transducers, and other field devices, enabling the collection of diverse process data.
  • High-Precision Signal Processing: It performs precise analog-to-digital conversion on analog signals with high resolution and low noise, ensuring the accuracy of digital signals. It is also equipped with advanced digital signal processing algorithms that can perform filtering, amplification, feature extraction, and other operations on the input signals, effectively removing noise and interference and improving signal quality.
  • Real-time Processing Capability: With powerful processing power, the module can process input signals in real time, quickly responding to signal changes and providing timely feedback to the control system. This is of great significance for applications that require high real-time performance, such as high-speed production lines and critical process control.
  • Comprehensive Diagnostic Functions: The 5351S2 has built-in self-diagnostic functions that continuously monitor the operating status of the module, including power supply voltage, temperature, and the integrity of internal circuits. In case of abnormalities, it can promptly send out alarm signals and diagnostic information, facilitating quick troubleshooting and maintenance by technicians.
  • Isolation and Protection: To adapt to harsh industrial environments, the module is equipped with strong isolation and protection measures. It can effectively isolate electrical noise and interference from the outside, protecting the internal circuits of the module and ensuring the stability and reliability of signal processing.

Application Scenarios


  • Petrochemical Industry: In petrochemical plants, the 5351S2 is used to process signals from temperature sensors, pressure sensors, flow meters, and other devices in the production process, providing accurate data support for process control and optimization. It helps to monitor and adjust key process parameters in real time, ensuring the safe and efficient operation of the production process.
  • Power Industry: In power generation and distribution systems, this module plays a crucial role in processing signals from power generation equipment, transformers, and power meters. It enables the monitoring and analysis of electrical parameters such as voltage, current, and frequency, contributing to the stable operation of the power grid and the optimization of power generation efficiency.
  • Metallurgical Industry: In metallurgical production processes such as steelmaking and smelting, the 5351S2 is utilized to process signals from various sensors in the furnace temperature control, material feeding, and rolling processes. It assists in precisely controlling the production process, improving product quality and production efficiency.


In conclusion, the Triconex 5351S2 Signal processing module, with its advanced design, powerful functions, and wide range of applications, is an indispensable component in modern industrial automation and control systems, making important contributions to improving industrial production efficiency, ensuring product quality, and enhancing system safety and reliability.



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Triconex 5351S2 is a Triconex brand for industrial automation control system module, the following is the introduction of it:

Basic information

Working voltage: 24Vdc/120Vac

Output frequency: 50-60

Product certification: original factory certification


Functional characteristics

Strong signal processing ability: it can receive and process many types of signals, such as analog signals (voltage, current) and digital signals, etc., and convert the original signal from the sensor into a form that the control system can recognize and process, providing accurate data for system decision-making.

High-precision acquisition: It has high precision in signal acquisition, can ensure the accuracy of measurement results, can accurately collect temperature, pressure, flow and other parameter signals, and provide reliable support for precision process control in industrial production.

Reliable redundancy design: Support triple redundancy (TMR) configuration, there are three identical circuit channels to process signals at the same time, when one or two channels fail, the system can still rely on the normal channel stable operation, greatly improving the reliability and fault tolerance of the system.

Convenient hot swap function: With modular design and hot swap function, the module can be directly inserted and removed for maintenance or replacement during system operation without stopping, reducing maintenance time and impact on production.

Good environmental adaptability: It can adapt to harsh industrial environment, such as high temperature, high humidity, strong electromagnetic interference, etc., and can work stably for a long time under harsh conditions such as petroleum and chemical industry to ensure the continuous operation of the system.

Application field

Process control system: In the process control of chemical, petroleum, natural gas and other industries, data from various sensors can be collected and processed, such as reactor temperature, pipeline pressure, fluid flow, etc., to provide data support for process control and ensure that the production process runs stably according to predetermined parameters.

Safety instrumentation system (SIS) : used to monitor key process parameters, when the parameters are out of the safe range, it can trigger safety protection measures in time, such as emergency stopping, cutting off valves, etc., to ensure the safety of personnel and equipment.

Online monitoring and diagnosis: It can monitor key variables in industrial processes in real time to help engineers find potential problems in time, fault diagnosis and predictive maintenance, improve equipment utilization and reduce maintenance costs


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