TRICONEX 3721C - Control system module

TRICONEX 3721C is a high-performance and high-reliability industrial automation control system module, which is widely used in industrial automation and safety instrument system (SIS). The main features of this module include redundant design, multiple communication protocols support and high-precision signal processing capability, which is suitable for complex industrial applications in harsh environments.

Module types and functions

TRICONEX 3721C is a multifunctional module, which can be used as analog input module, digital input/output module or communication module according to different application requirements. It can collect and convert analog signals (such as voltage, current, etc.) and convert them into digital signals for the controller to process, and at the same time support the output control of digital signals. In addition, the module also has the function of safety logic processing, and can perform safety-related operations and emergency shutdown.

technical parameter

Input/output channels: there are usually 8 or 16 analog input channels and 8 analog output channels; There are 16 digital input/output channels.

Communication interface: supports various communication protocols, including Modbus TCP/IP, RS-232, RS-485, etc.

Operating temperature range:-40 C to 70 C. Some models support a wider operating temperature range.

Power supply voltage: both input and output are 24VDC.

Size and weight: The module size is usually 150mm x 120mm x 50mm, and the weight is about 1kg.

Redundancy design and reliability

TRICONEX 3721C module adopts triple modular redundancy (TMR) technology to ensure that it can still run normally when there is a fault inside the module, thus improving the availability and security of the system. In addition, the module has self-diagnosis function, which can monitor its own status and report faults in real time, which is convenient for maintenance and troubleshooting.

Application scenario

TRICONEX 3721C is widely used in key process control and safety instrument systems in petroleum, natural gas, chemical industry, electric power and other industries. Its high-precision measurement and quick response ability make it especially suitable for industrial environments that need high reliability and real-time.

security certificate

TRICONEX 3721C module meets the safety standard of IEC 61508 SIL 3, and has passed the certification of ATEX and IECEx, so it is suitable for dangerous environment.

Other characteristics

The module supports flexible configuration, and users can set alarms and alarm thresholds according to their needs.

Provide a variety of installation methods, including wall-mounted and DIN rail type.

It has the functions of overload protection and short circuit protection, which further enhances the stability of the system.

TRICONEX 3721C is a powerful and reliable industrial automation control system module. With its redundant design, versatility and high-precision signal processing ability, Triconex 3721c has a wide application prospect in industrial automation and safety instrument systems.