TRICON3721 is a modular device in the TRICONEX series, designed specifically for industrial automation and safety critical applications. It is mainly used for functions such as data acquisition, signal conversion, process monitoring, and safety interlocking. This module is capable of connecting on-site equipment with the TRICONEX safety system, enabling monitoring of critical factory variables such as pressure, temperature, and flow to ensure safe operating parameters.
Product parameters:
Input characteristics
Number of input channels: 32 differential inputs (DC coupled)
Input signal type:
Voltage: 0-5V, -5V~+5V (± 6% tolerance)
Current: 4-20mA (requires cooperation with transmitter)
Resolution: 12 bit or 14 bit programmable
Accuracy: ± 0.15% FSR (0 ° C~60 ° C)
Sampling rate: 10ms/channel
Isolation voltage: 1500Vrms (between channels and between channels and systems)
Common mode rejection ratio: -85dB (DC-100Hz)
Input overvoltage protection: 150V DC/115V AC continuous.

Product Features：
High reliability: TRICON 3721 adopts redundant design to ensure normal operation in case of failure
Safety: Complies with SIL 3 safety standards and meets the safety requirements of critical control applications
Flexibility: 3721 supports multiple input signal types to meet the needs of different applications
Support modular multi rack: with high-speed processing capability and excellent reliability
Usability: intuitive user interface and simple installation program, making it easy for engineers and technicians to integrate into the system.

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contact information

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DCS of various brands; PLC shutdown spare parts module

• ABB: Industrial robot spare parts 5SHY/5SHX, PFSK, PFTL, PP, PM, DSQC series, Bailey INFI 90, etc. For example: PFSK164/PFTL101B, 20KN/5SHY3545L0010/PM645B/pp836
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• TRICONEX: Redundant fault-tolerant control system, the most modern fault-tolerant controller based on Triple Modular Redundancy (TMR) structure, module. For example: 3721/4351B/3625/3301/3351
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