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Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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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.
| 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 |
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.
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.
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.
| 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 |
| 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 |
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.
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.
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.
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%.
Thoughtful after-sales service
24-hour after-sales service guarantee team, professional and standardized management service system.