3721 Triconex Analog Input Module 32 Channel AI

3721 Triconex Analog Input Module 32 Channel AI

Product Introduction

The 3721 from Triconex is a high-performance analog input module designed for Tricon safety systems. It provides accurate signal acquisition for industrial processes. Therefore, it is widely used in critical monitoring and control applications.

Additionally, this module supports multiple input ranges and differential signal processing. It ensures high precision and strong noise rejection. Moreover, it improves system reliability through its TMR architecture.

Analog Input Module Technical Specifications

This module delivers stable and precise data acquisition performance. First, it supports 32 differential input channels. Next, it ensures fast signal updates for real-time monitoring.

Key parameters include:
Input Channels: 32 differential
Voltage Range: 0–5 VDC or -5 to +5 VDC
Current Range: 0–20 mA with shunt resistor
Resolution: 12-bit or 14-bit programmable
Accuracy: < 0.15% of full scale
Update Rate: 10 ms

Furthermore, the module features high input resistance. This reduces signal loading and improves measurement accuracy.

Signal Performance and Protection Features

This analog module ensures reliable signal processing in harsh environments. Specifically, it offers strong common mode rejection for noise reduction. It also supports wide common mode voltage range.

Additionally, the module includes overrange protection. This protects inputs from high voltage conditions. Meanwhile, isolation between channels improves system safety.

Moreover, diagnostic indicators provide clear status monitoring. These include PASS, FAULT, ACTIVE, and FIELD indicators for quick troubleshooting.

Installation and Application Guidelines

Proper installation ensures accurate and stable operation. First, insert the module into the designated Tricon rack. Next, connect field signals to the appropriate input terminals.

Additionally, configure input ranges according to application needs. Meanwhile, ensure proper grounding to reduce interference.

Finally, verify signal readings and module status indicators. This confirms correct system integration and performance.

Packaging List

• 3721 Analog Input Module
• Mounting Hardware
• Terminal Connectors
• User Manual

FAQ

1. What is the function of the 3721 module?
   It acquires analog signals from field devices for processing in control systems.
2. How many inputs does this module support?
   It supports 32 differential input channels.
3. What signal types are supported?
   It supports voltage and current signals.
4. Is the module suitable for safety systems?
   Yes, it uses TMR architecture for high reliability.
5. What shipping methods are available?
   Fedex, UPS, DHL are available for worldwide delivery.