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3721

Triconex 3721 Analog Input Module | 32-Channel TMR

In stock (18 units), ready to be shipped

  • Manufacturer: Invensys Triconex

  • Product No.: 3721

  • Product Type: Analog Input Module

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 800g

  • Shipping port: Xiamen

  • Warranty: 12 months

30-Day Return Policy · 12-Month Warranty
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Description

Triconex 3721 Analog Input Module Overview

The 3721 Analog Input Module from Triconex delivers high-performance signal acquisition for critical control systems. This 32-channel module provides exceptional accuracy and reliability in demanding industrial environments. The 3721 module features Triple Modular Redundant (TMR) architecture for maximum system availability.

Key Technical Specifications

  • Manufacturer: Triconex | Model: 3721 Analog Input Module
  • Input Voltage Range: 0 to 5 VDC or -5 to +5 VDC with ±6% tolerance
  • Input Channels: 32 differential, DC-coupled points with full isolation
  • Input Update Rate: 10 milliseconds for real-time data acquisition
  • Programmable Resolution: 12 bits or 14 bits for flexible accuracy needs
  • Accuracy: Better than 0.15% of Full Scale Range from 0° to 60° C

Electrical Characteristics

  • Input Resistance: 10 MΩ (DC) minimum for minimal loading
  • Common Mode Rejection: -85 dB (DC to 100 Hz) for noise immunity
  • Common Mode Range: -12V to +12V peak for wide signal tolerance
  • Input Overrange Protection: 150 VDC/115 VAC continuous protection
  • Leg-to-Leg Isolation: 420 kΩ typical for channel separation

Signal Processing Features

  • Normal Mode Rejection: -3 dB @ 23 Hz, -8 dB @ 60 Hz, -14 dB @ 120 Hz
  • Current Range Support: 0-20 mA with 250 Ω shunt resistor option
  • Power-Off Resistance: 140 kΩ (DC) typical for safety isolation
  • Module Weight: 1.36 kg for compact system integration
  • Diagnostic Indicators: PASS, FAULT, ACTIVE, FIELD status monitoring

Frequently Asked Questions

  • How many input channels does the 3721 have? 32 differential channels
  • What voltage ranges does it support? 0-5 VDC or ±5 VDC ranges
  • What is the update rate? 10 milliseconds for all 32 channels
  • What resolution options are available? Programmable 12-bit or 14-bit
  • Is overvoltage protection included? Yes, 150 VDC continuous protection
🏷️ Tags: Analog Input Module

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  • Ensure compatibility with your current machinery or control systems.
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  • Follow manufacturer instructions and best practices during installation.

In-stock items are typically dispatched the same business day. For products not currently in stock, dispatch times may vary based on availability. International shipping is available, and shipping costs are calculated according to destination, weight, and carrier selection.

Returns are accepted within 30 days of receipt, provided items are unused and in original condition. Return shipping costs are the responsibility of the customer. Please contact us before returning any item to receive return authorization.

For more details, please review our Shipping & Return Policy.

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