TRICONEX 3721 is a digital input card primarily used for the Triconex Trident Safety Instrumented System (SIS).
The input range is 0-30VDC or 0-24mA (charging or pulling current); The input filter can be programmed from 0 to 1 second; The input debounce time can be programmed from 0 to 500 milliseconds; The input voltage isolation between the field side and the logic side is 1500Vrms, and the input current isolation is 3000Vrms.
Description
TRICONEX 3721 is an analog input module
Overview: It belongs to the Tritech series of Triconex, designed for harsh industrial environments, using triple redundancy (TMR) architecture, complying with IEC 61508 standard, and meeting SIL 3 integrity level requirements.
Physical characteristics: The size is 160mm × 110mm × 50mm, and the compact design allows it to be flexibly installed in various industrial control cabinets. Supports DIN rail installation method, complies with IEC standards, and is easy to install and maintain on site.
Power and Communication: Strictly follow IEC standards in power requirements to ensure compatibility and stability in different electrical environments. Supports multiple mainstream protocols, such as Modbus, Profibus DP, and HART, and can be seamlessly integrated into existing automation systems for data exchange and remote monitoring.
Functional features: Simultaneously processing data through three independent channels and ensuring the correctness of output results through a voting mechanism, thereby improving the reliability and availability of the system. The main function is to monitor and control various parameters in the process flow, such as temperature, pressure, flow rate, etc. It can collect and convert analog signals, ensure the accuracy and timeliness of real-time data, and perform well in process variable measurement, status monitoring, and fault detection.
Application areas: Widely used in various industries such as petroleum and chemical, power, manufacturing (automotive, mechanical, and electronic manufacturing, etc.), water treatment, environmental protection, municipal engineering, boiler heating, etc., for monitoring key parameters, participating in system control and monitoring, optimizing production processes, etc., to ensure production, improve production efficiency, and optimize process control.
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