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3720

Triconex 3720 Analog Input Module | 64-Point TMR AI

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  • Manufacturer: Invensys Triconex

  • Product No.: 3720

  • Product Type: Analog Input Module

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 800g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Product Introduction

The 3720 Analog Input Module from Triconex delivers high-density signal acquisition with Triple Modular Redundant architecture. This advanced module processes 64 single-ended analog inputs with exceptional speed and precision. The 3720 supports both voltage and current signals while maintaining robust diagnostic capabilities for critical control applications.

Core Specifications

  • Brand: Triconex
  • Model Identification: 3720 Analog Input Module
  • Module Architecture: TMR Analog Input
  • Input Capacity: 64 single-ended channels
  • Voltage Range: 0-5VDC with +6% tolerance
  • Current Range: 0-20mA with 250Ω shunt
  • Update Speed: 10 millisecond scan rate
  • Isolation: Fully isolated input points

Signal Performance

  • Resolution: Programmable 12-bit or 14-bit selection
  • Accuracy: Better than 0.15% Full Scale Range
  • Temperature Range: 0° to 60°C operational environment
  • Input Impedance: 10 MΩ minimum DC load resistance
  • Power-Off Resistance: 140 kΩ typical isolation
  • Overrange Protection: 150 VDC/115 VAC continuous

Input Characteristics

  • Configuration: 64 single-ended input channels
  • Signal Types: Voltage (0-5VDC) and Current (0-20mA)
  • Current Measurement: 250Ω shunt resistor included
  • Overrange Capacity: +6% signal over-range capability
  • Isolation: Channel-to-channel and system isolation
  • Wiring: Single-ended input configuration

Noise Rejection

  • Normal Mode Performance: -3 dB @ 8Hz
  • Line Frequency Rejection: -17 dB @ 60Hz
  • Harmonic Rejection: -23 dB @ 120Hz
  • Leg-to-Leg Isolation: 420 kΩ typical resistance
  • Common Mode: Not applicable for single-ended design

Conversion Performance

  • Scan Rate: 10 milliseconds for all 64 channels
  • Resolution Options: 12-bit (4096 steps) or 14-bit (16384 steps)
  • Accuracy Class: <0.15% FSR across temperature range
  • Signal Conditioning: Programmable input scaling
  • Data Integrity: TMR voting on all input conversions

Frequently Asked Questions

  • How many input channels are provided?

64 single-ended analog input channels with individual isolation.

  • What signal types does the module accept?

0-5VDC voltage signals and 0-20mA current inputs with shunt.

  • What is the module's update rate?

10 millisecond complete scan of all 64 input channels.

🏷️ Tags: Analog Input Module Invensys Triconex

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