TRICONEX 4201 module Remote extender

Working principle

Signal transmission and conversion: TRICONEX 4201 can convert and transmit analog or digital signals from field devices. It supports multiple signal types and is capable of converting these signals into formats suitable for transmission on the bus. The module is equipped with an optical fiber interface. It uses optical fibers as the transmission medium and transmits data by means of optical signals. Optical fibers have the advantages of fast transmission speed and strong anti-interference ability. They can achieve long-distance and high-speed data transmission and maintain stable performance over a distance of up to 1000 meters, ensuring the accurate transmission of signals from remote devices to the central control system. At the same time, they can also transmit control instructions from the control system to remote devices.

Bus relay and Extension: As a repeater for the Tricon I/O bus, the 4201 module can enhance the bus signal and extend the bus communication distance. When the remote I/O module in the system is far from the main frame, the signal will experience attenuation and interference during transmission, resulting in signal distortion. The 4201 module receives the bus signal, amplifies and shapes it, and then sends the processed signal to the bus, thereby ensuring that the signal can be reliably transmitted over a longer distance, achieving the remote expansion of the I/O module, and enabling the I/O module to be located several kilometers away from the main frame.

Multi-port communication and data interaction: This module has 3 ports and can connect to multiple devices or subsystems, enabling data interaction and communication among multiple devices. It can forward data among different devices, enabling each device to work collaboratively. For instance, data from multiple remote sensors can be collected and transmitted to the corresponding controller or other devices for processing through the internal communication mechanism of the module.

Power supply and stable operation: A 24V DC working voltage is adopted to provide a stable power supply for the circuits and electronic components inside the module. A stable power supply is the foundation for the normal operation of the module, ensuring that the signal processing circuits, communication circuits, etc. within the module can operate stably and not be affected by power fluctuations, thereby guaranteeing the reliability of the entire remote expansion system.

Status monitoring and diagnosis: The module is equipped with diagnostic indicator lights such as PASS, FAIL, ACTIVE, and TX, through which the working status of the module can be displayed in real time. For example, a PASS indicator light being on indicates that the module is working properly, while a FAIL indicator light being on indicates that the module has malfunctioned. These diagnostic functions help staff members promptly understand the operation status of the modules, quickly locate and eliminate faults, and ensure the stable operation of the system.

Technical parameters

Working voltage: 24V DC.

Port isolation: 500V DC.

Current range: 4-30mA.

Resolution: 6 bits.

Communication rate: 375kbps.

Communication interface: Supports optical fiber interface and is equipped with ST connector.

Signal transmission: As a repeater and extender of the Tricon I/O bus, it transmits analog and digital signals and provides ground loop isolation.

Performance characteristics

Outstanding communication capability: Supports multiple baud rates, allowing you to choose 1200, 2400, 9600 or 19200 baud for communication based on actual needs. Equipped with Ethernet/IP technology, the data transmission rate can reach up to 100Mbps, maintaining stable performance over a distance of up to 1000 meters, and enabling fast and efficient communication between devices.

Strong environmental adaptability: With an IP67 protection rating, it can effectively resist dust, moisture, etc., and can work stably in harsh industrial environments. The operating temperature range is from -40 °C to + 70°C, and it can operate normally in both high and low temperature environments.

Convenient diagnosis and maintenance: Equipped with diagnostic indicator lights such as pass, fault, send activation, and receive, it can display the working status of the module in real time and intuitively, facilitating quick location and troubleshooting.

Compact and lightweight design: With dimensions of 100mm x 50mm x 20mm and a weight of only 150g, it is small in size and light in weight, easy to integrate into existing systems, and convenient for installation and maintenance.

Stable power supply: It adopts 24V DC power supply, which can guarantee the stable operation of the module and ensure that it is not greatly affected by power fluctuations in the industrial environment.

Application scenarios

Petrochemical industry In large-scale petrochemical projects, the Triconex SIS safety instrument system is used. The TRICONEX 4201 module remote extensor can be used to expand the communication range of the safety instrument system and realize the data transmission between the remote field instrument and the central control system. Accurately transmit the signals from sensors and actuators distributed at different locations to the control center, facilitating real-time monitoring and safety control of the complex petrochemical production process, ensuring production safety and enhancing production efficiency.

Natural gas processing industry: In a certain natural gas processing plant, the interface of ORB and Triconex safety system was once combined to build a solution. The TRICONEX 4201 module remote extensor can play a role in such scenarios. It is used to connect remote natural gas processing equipment, such as compressors, dehydration devices, etc., transmit the equipment operation status data to the control system, and simultaneously receive control instructions to achieve remote monitoring and regulation of the equipment and ensure the stable operation of the natural gas processing process.

In the power industry, in data collection systems such as continuous emission monitoring systems (CEMS), ORB is used to connect with OPC infrastructure. The TRICONEX 4201 module remote extender can be used to expand the communication link of the CEMS system, remotely transmit the data of monitoring equipment distributed at different positions in the power plant to the data center, facilitating the staff to grasp the emission situation in real time. It can also be used to connect other remote devices in the power plant, such as remotely controlled switches, transformer monitoring devices, etc. Realize the remote monitoring and management of power equipment to enhance the reliability and intelligence level of the power system operation.