Invensys Triconex

  1. Home
  2. Products
  3. Invensys Triconex
  4. Triconex 3720 Analog Input Module for Safety Instrumented Systems High‑Integrity Process Measurement
Triconex 3720 Analog Input Module for Safety Instrumented Systems High‑Integrity Process Measurement

Triconex 3720 Analog Input Module for Safety Instrumented Systems High‑Integrity Process Measurement

0.0
Points

Brand:Invensys Triconex
Item No.:Triconex 3720
Product Origin: USA
Product Dimensions:185 × 135 × 45 mm
Product Weight:1.36 kg
Payment:T/T, Western Union, Credit Card
Goods_stock:15
Shipping Port:Xiamen, China
Lead Time:1-3 Days
Condition:Brand New And Original
Warranty:1 Year
Certificate:COO

Add to cart

Triconex 3720 7400243-115 (1)Triconex 3720 7400243-115 (2)Triconex 3720 7400243-115 (4)Triconex 3720 7400243-115 (3)

The Triconex 3720 Analog Input Module is a high‑reliability I/O component designed to interface analog process signals with the Triconex Safety Instrumented System (SIS). Built with Triple Modular Redundancy (TMR) architecture, this module ensures continuous, fault‑tolerant data acquisition from field sensors—making it essential for monitoring critical parameters like temperature, pressure, and flow in demanding industrial applications.


Technical Specifications

ParameterSpecification
Product TypeAnalog Input Module
Model3720
System CompatibilityTriconex SIS (TMR Architecture)
Input Channels32 differential analog inputs
Input Voltage Range0–5 VDC or –5 to +5 VDC
Resolution12‑bit or 14‑bit programmable
Input Update RateApprox. 10 ms
Accuracy< 0.15% of FSR (0–60°C)
Input Protection150 VDC/115 VAC continuous
Operating Temperature–20°C to +60°C
Storage Temperature–40°C to +85°C
Dimensions (H × W × D)Approx. 185 × 135 × 45 mm
WeightApprox. 1.36 kg
MountingRack‑mounted in Tricon chassis

Key specifications derived from independent industrial references.


Recommended Related Models

  • Triconex 3008 Main Processor Module – Core safety controller for SIS
  • Triconex 3625 Communication Module – System network interface
  • Triconex 3805E Analog Output Module – Analog signal actuation
  • Triconex 9563 Series Termination Panels – Field wiring interface
  • Triconex 4352B Communication Module – Redundant Ethernet communication

Popular Triconex Modules

  • Triconex 3700A Safety Controller
  • Triconex 3721 Analog Input Module
  • Triconex 4354 Network Interface Module
  • Triconex 4211 Remote Extender
  • Triconex 8312 Power Supply Module


Product Applications

The 3720 analog input module is widely implemented in safety‑critical industrial environments where precise signal monitoring is paramount:

  • Process Automation Systems – Monitors vital process variables such as temperature, pressure, and flow
  • Oil & Gas Safety Systems – Provides accurate analog data for emergency shutdown and fire/gas detection
  • Petrochemical Plants – Integrates with reactor and distillation control systems
  • Power Generation Facilities – Tracks turbine and boiler conditions
  • Manufacturing & Industrial Controls – Interfaces diverse analog sensors for real‑time safety decisions

Its role in converting real‑world analog signals into digital data underpins reliable safety logic execution across large systems. 


Product Advantages

  • Industrial‑Grade Fault Tolerance
    Built on Triconex’s TMR architecture to ensure continuous operation even in the event of individual component failures.
  • Accurate Analog Acquisition
    High resolution and precision support precise measurement of critical analog parameters.
  • Comprehensive Diagnostics
    Advanced self‑diagnostics help detect and report channel or signal issues early, reducing unplanned downtime.
  • Wide Operating Range
    Designed to function reliably within industrial temperature and environmental conditions.
  • Modular Flexibility
    Rack‑mount design allows easy replacement and scalability within the Triconex system.
  • Seamless System Integration
    Works with a range of Triconex controllers and peripheral modules to deliver cohesive safety performance. 


Technical FAQs

  1. What is the Triconex 3720 used for?
    It is an analog input module that converts real‑world analog signals into digital data for safety logic processing.
  2. How many analog channels does it support?
    This module typically supports 32 differential input channels.
  3. What signal ranges does it accept?
    It accepts 0–5 VDC or –5 to +5 VDC analog inputs.
  4. What is the typical update rate for inputs?
    Approximately 10 milliseconds for all channels.
  5. Is this module fault‑tolerant?
    Yes, it employs TMR technology to ensure reliability even if a channel fault occurs.
  6. Can it operate in harsh environments?
    Yes, it is designed for industrial temperature ranges and conditions.
  7. What is its weight?
    About 1.36 kg.
  8. How is it installed?
    Rack‑mounted directly in the Triconex chassis.
  9. Does it include built‑in diagnostics?
    Yes, the module continuously monitors channel status.
  10. In which industries is it commonly used?
    Primarily in oil & gas, petrochemicals, power generation, and process automation sectors. 


Look forward to your comments!Comment
Latest comments
Tags:
Need Assistance? Chat with Us on WhatsApp!
Need Assistance? Click to Inquire
Back to top