TRICONEX 3721

The Triconex 3721 is a highly reliable analog input module for use in the Triconex Safety Instrumentation System (SIS). It receives analog signals from field devices, such as temperature, pressure, flow, and more, and converts them into digital signals that are recognized by the Triconex system for applications such as security interlocking, process monitoring, and more. The module has the characteristics of high precision, high reliability and high availability, and is widely used in the safety control system of petrochemical, electric power, metallurgy and other industries.

Product parameters and specifications:

Model: 3721
Type: Analog input module
Number of channels: The number of channels varies according to the model
Input type: 4-20mA, 0-5V, -5V to +5V, etc
Accuracy: High precision, in line with relevant industry standards
Isolation: isolation between channels to improve anti-interference ability

Operating temperature: -20℃ to +55℃
Protection level: IP20
Certification: Compliance with relevant safety standards, such as IEC 61508
Main features:
High precision: high measurement accuracy, can accurately collect the field signal.
High reliability: The redundant design and self-diagnosis function ensure the safe and reliable operation of the system.
High availability: Modular design for easy maintenance and replacement.
Flexible configuration: Supports multiple configuration modes to meet different application requirements.
Easy to install: Modular design, easy to install.
Comply with safety standards: comply with IEC 61508 and other relevant safety standards, suitable for high safety level applications.
Application field:
Petrochemical: temperature, pressure, flow measurement, safety interlock, emergency shutdown, etc
Electricity: Process monitoring and safety protection of power plants and substations
Metallurgy: Process monitoring and safety control of blast furnaces and converters
Others: Process control in chemical, pharmaceutical and other industries