TRICONEX 3721 is a key component in the Triconex series, belonging to the Tritech series. It adopts a triple redundancy (TMR) architecture to ensure high reliability and safety under extreme conditions. This module is designed specifically for signal acquisition, processing, and process monitoring, and is suitable for multiple industrial fields such as petroleum, natural gas, chemical, power, metallurgy, and pharmaceuticals.
Product parameters：
Input voltage: 24V DC ± 10%
Output voltage: 24V DC
Working temperature: -40 ° C to+70 ° C or -40 ° C to+85 ° C, depending on different sources
Number of channels: Typically providing 16 or 32 differential input channels
Input signal type:
Analog signals: 0-5V, -5V~+5V (± 6% tolerance), 0-10V, 4-20mA (with transmitter required)
Digital signal: supports discrete input and output
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
Power supply: Powered by the Triconex system backplane (24V DC).

PRODUCT FUNCTION:
Signal conversion: Convert analog signals from external devices into digital signals for process monitoring and control.
Multi range configuration: Triconex 3721 supports multi range configuration and is compatible with multiple sensor types.
Diagnostic function: Provides comprehensive diagnostic functions to facilitate troubleshooting.
Programmable: Each channel can be individually configured, supporting multiple input types and parameter settings.
Communication protocol: Triconex 3721 supports communication protocols such as Modbus, Profibus DP, HART, etc.
Safety integrity: Complies with IEC 61508 standard and meets SIL 3 safety integrity level requirements.

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contact information

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