Triconex 3721N Analog Input Module Most Favorable

Overview

The Triconex 3721N is a high-precision Analog Input Module for Tricon fault-tolerant safety systems. It acquires differential analog signals with high reliability. Engineers use it to monitor temperature, pressure, flow, and level in critical industrial processes. Additionally, it delivers SIL 3-certified safety, making it ideal for oil & gas, chemical processing, and power generation sectors. Its fast response ensures accurate real-time monitoring.

Technical Specifications

• Model: 3721N
• Module Type: Analog Input Module
• Input Voltage Range: 0 to 5 VDC or -5 to +5 VDC ±6%
• Number of Input Channels: 32 differential, DC-coupled inputs
• Resolution: Programmable 12-bit or 14-bit
• Input Update Rate: 10 ms
• Accuracy: <0.15% of Full Scale Range (FSR) from 0°C to 60°C
• Common Mode Rejection: -85 dB (DC to 100 Hz)
• Input Overrange Protection: 150 VDC / 115 VAC continuous
• Isolation: Galvanic isolation between channels and system
• Mounting: Rack-mounted in Tricon chassis
• Safety Certification: SIL 3 (IEC 61508)
• Operating Temperature: -20°C to +60°C
• Weight: 4.41 lbs