Triconex 3721

Product Short Description

Technical Specifications

Input Range: 0 to 5 V or -5 to +5 V DC differential
Input Points: 32 – point or 64 – point (commoned)
Input Impedance: 2 MΩ (for 32 – point), 30 MΩ (DC, min) for 64 – point
Update Rate: 10 ms (32 – point), 75 ms (64 – point)
Resolution: 12 bits or 14 bits
Accuracy: < 0.25% of FSR from 0 °C to 60 °C (64 – point), ±0.1% of full scale (32 – point)
Operating Voltage: 12 to 30 V DC
Power Consumption: Less than 150 mW per channel
Operating Temperature: – 40 °C to + 70 °C

Functional Features

Triple Modular Redundancy (TMR): Utilizes TMR architecture, which ensures continuous operation even in the event of a single module failure, enhancing system reliability.
High – Precision Signal Acquisition: Provides high – precision analog input for accurate data collection. The differential inputs enhance noise rejection and accuracy.
DC Coupling: The DC coupling feature ensures compatibility with different power supplies, reducing the risk of interference and improving system stability.
Communication Protocol Support: Supports Modbus RTU protocol, ensuring seamless communication with other devices and systems, simplifying installation and maintenance procedures.
Diagnostic Function: Equipped with diagnostic indicators for pass, fault, and active status, which is convenient for troubleshooting.

Application Scenarios

Petrochemical Industry: Used for temperature and pressure measurement in petrochemical production processes.
Power Industry: Applied in power plants and substations for temperature and voltage measurement.
Metallurgical Industry: Used for temperature measurement in metallurgical production processes.
Pharmaceutical Industry: Employed for temperature and pressure measurement in pharmaceutical production processes.

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