• Triconex 3704E Input Module
  • Triconex 3704E Input Module
  • Triconex 3704E Input Module
  • Triconex 3704E Input Module
Triconex 3704E Input Module Product Introduction The Triconex 3704E is a highly reliable input module designed specifically for use within the Triconex safety instrumented systems (SIS). It provides pre……
Triconex 3704E Input Module
  • Invensys Triconex
  • 3704E
  • Input Module
  • USA
  • 273 x 213 x 25 mm
  • 1.29kg
  • Xiamen, China
  • New & In Stock
  • T/T, PayPal, Western Union
  • 1 Year
  • 1-3 Working Days
  • DHL, UPS, TNT, FedEx and EMS.
  • 24-Hour Service
  • COO
  • 214

Our advantage

Triconex 3704E Input Module

Global Logistics

We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.

Triconex 3704E Input Module

Brand new and original

Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.

Triconex 3704E Input Module

24-hour service

We provide 7*24 hours service to our customers. We will be there whenever you need us.

Triconex 3704E Input Module

Price advantage

All our products are priced very favorably because we have our own warehouse and supply.


Company Information
E-mail sales@plc-automations.com
Mobile +8615980777398
Whatsapp +8615980777398
WeChat 15980777398

Triconex 3704E Input Module

Product Introduction

The Triconex 3704E is a highly reliable input module designed specifically for use within the Triconex safety instrumented systems (SIS). It provides precise and fault-tolerant signal acquisition from various field devices and sensors, ensuring high availability and integrity in safety-critical applications.

This module is engineered to meet the stringent requirements of industries where safety is paramount, such as oil and gas, petrochemical, power generation, and chemical processing. The 3704E supports multiple input signal types and offers robust diagnostics, making it an integral part of the Triconex Tricon safety system, known worldwide for its triple modular redundancy (TMR) architecture.


Technical Parameters

Parameter Specification
Model Number 3704E
Brand Triconex
Series Tricon Input Modules
Module Type Digital and Analog Input Module
Dimensions 273 x 213 x 25 mm
Weight 1.27 kg
Input Channels 16 digital inputs
Input Signal Types Discrete DC inputs (24 V DC typical)
Response Time < 2 ms
Operating Temperature -20 °C to +70 °C
Power Supply Supplied from Triconex chassis
Communication Backplane bus communication
Diagnostics Comprehensive fault monitoring
Mounting Type DIN rail or chassis-mounted

Product Applications

The Triconex 3704E input module is widely used in:

  • Oil and Gas Facilities — Safety monitoring of valves, switches, and other critical devices.

  • Petrochemical Plants — Monitoring digital input signals from sensors for process safety.

  • Power Generation Plants — Integration into turbine and generator safety systems.

  • Chemical Processing — Real-time monitoring of critical process parameters to avoid hazardous conditions.

  • Manufacturing Industries — High-integrity input for emergency shutdown systems.


Product Advantages

  • Triple Modular Redundancy (TMR) Architecture: Designed to be used in triple-redundant configurations for maximal fault tolerance.

  • High Reliability and Safety: Meets SIL 3 standards per IEC 61508, suitable for critical safety systems.

  • Wide Operating Range: Suitable for diverse industrial environments with temperature tolerance from -20 °C to +70 °C.

  • Robust Diagnostics: Continuous self-monitoring and fault detection enhance system integrity.

  • Easy Integration: Fully compatible with Triconex safety controllers and systems.

  • Fast Response Time: Ensures timely processing of input signals for rapid safety responses.

  • Versatile Input Support: Accepts standard discrete 24 V DC input signals.

  • Compact and Lightweight: Optimized size for installation in control cabinets and safety racks.


Brand Information

Triconex,  is a global leader in safety and critical control systems. Renowned for its TMR technology, Triconex delivers reliable safety solutions for process industries, ensuring operational safety and regulatory compliance worldwide.


Recommended Related Models (Same Series or Related)

Model Description Dimensions (mm) Weight (kg) Key Features
3702E Analog Input Module 273 x 213 x 25 1.20 High precision analog signal input
3703E Digital Output Module 273 x 213 x 25 1.25 Reliable digital output signals
3705E Analog Output Module 273 x 213 x 25 1.22 Analog control signal output
3711E Dual Channel Digital Input Module 273 x 213 x 25 1.30 Dual redundant digital inputs
3720E Communication Interface Module 273 x 213 x 30 1.35 Interface for communication networks

Popular Triconex Models (Same Brand)

Model Description Dimensions (mm) Weight (kg) Key Features
3305 Safety Controller CPU 330 x 250 x 70 3.5 High-performance safety CPU
3320 Power Supply Module 273 x 213 x 45 2.1 Stable power for safety systems
3730E Analog Input/Output Module 273 x 213 x 25 1.4 Combined input/output capabilities
3780E Triple Redundant Output Module 273 x 213 x 25 1.3 High availability output module
3750E Safety System Expansion Module 273 x 213 x 30 1.3 Adds extra safety I/O functionality


Frequently Asked Questions (FAQ)

Q1: What are the dimensions of the Triconex 3704E module?
A1: The dimensions are 273 x 213 x 25 mm.

Q2: What is the weight of this input module?
A2: The module weighs 1.27 kg.

Q3: How many input channels does the 3704E support?
A3: It supports 16 digital input channels.

Q4: What kind of signals does it accept?
A4: It accepts discrete DC input signals, typically 24 V DC.

Q5: What is the operating temperature range?
A5: The module operates from -20 °C to +70 °C.

Q6: What is the response time for input signals?
A6: The response time is less than 2 milliseconds.

Q7: Is the 3704E compatible with Triconex safety controllers?
A7: Yes, it integrates fully with Triconex safety systems.

Q8: What safety standard does this module comply with?
A8: It meets SIL 3 standards under IEC 61508.

Q9: Can the module be mounted on a DIN rail?
A9: Yes, it supports DIN rail or chassis mounting.

Q10: Does the module have diagnostic features?
A10: Yes, it includes comprehensive fault detection and self-monitoring.


Triconex 3704E Input Module

Authenticity guarantee

All product specifications are original and authentic imported products. We have an annual sales volume of 300 million yuan, and we only produce original and authentic products. All customers who cooperate with us directly online can enjoy low discounts.

Triconex 3704E Input Module

Free warehouse

We have a complete range of product models, 80% of conventional models are in stock, and we have established channels in Asia, Africa, North America, South America, and Europe, effectively shortening the order processing time and satisfying customers in a timely manner.

Triconex 3704E Input Module

Technical Team

Fast delivery. Spot goods can be shipped on the same day, and the delivery time transaction is 20% faster than that of peers on average, with a delivery time accuracy rate of 99%.

Triconex 3704E Input Module

Thoughtful after-sales service

24-hour after-sales service guarantee team, professional and standardized management service system.


Related Products

Get the latest price? We will reply as soon as possible (within 12 hours)

No:77501