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- Invensys Triconex
- 3721
- Analog Input Module
- USA
- 185 x 135 x 45 mm
- 1.36kg
- Xiamen, China
- New & In Stock
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Triconex 3721 Analog Input Module
Product Introduction
The Triconex 3721 is a high-performance analog input module designed for use in safety-critical automation and control systems. It belongs to the renowned Triconex series by Schneider Electric, widely respected for its reliability and compliance with rigorous safety standards. This module is built to capture and process analog signals from field devices with high accuracy and robustness, making it ideal for complex industrial environments.
The Triconex 3721 module supports multiple input channels, providing precise measurement of process variables such as temperature, pressure, flow, and level. Its rugged construction ensures operation under harsh conditions, guaranteeing continuous monitoring for safety instrumented systems (SIS). The module’s compact design and relatively low weight facilitate easy integration and maintenance.
Product Parameters
| Parameter | Specification |
|---|---|
| Model | 3721 |
| Dimensions | 185 x 135 x 45 mm |
| Weight | 1.36 kg |
| Input Type | Analog |
| Input Channels | Multiple |
| Input Signal Range | 4-20 mA, 0-20 mA, etc. |
| Resolution | High precision |
| Response Time | Fast |
| Operating Temperature | -20°C to +70°C |
| Certification | IEC 61508 SIL 3 |
| Mounting | DIN rail or panel mount |
Product Applications
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Safety Instrumented Systems (SIS): Used for real-time monitoring of critical process variables to ensure safety.
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Industrial Automation: Captures analog signals for process control in oil & gas, chemical, and power plants.
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Process Monitoring: Provides precise analog inputs for temperature, pressure, and flow measurement.
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Hazardous Environments: Certified for use in areas requiring SIL 3 safety integrity levels.
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Redundant Control Systems: Supports system reliability through redundant configuration possibilities.
Product Advantages
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High Accuracy: Delivers precise and reliable analog signal processing.
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Safety Certified: Complies with IEC 61508 SIL 3, making it suitable for critical safety applications.
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Robust Design: Built to operate reliably in harsh industrial conditions.
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Multi-Channel Support: Handles multiple analog inputs simultaneously.
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Fast Response: Ensures timely data processing for critical safety decisions.
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Easy Integration: Compact size and flexible mounting options simplify installation.
Brand and Series Information
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Brand: Invensys Triconex
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Series: Triconex 3700 Series Analog Input Modules
The Triconex 3700 series is known for advanced safety automation components designed to meet the highest safety integrity levels required in various industries.
Related Models in the Triconex 3700 Series
| Model | Input Channels | Dimensions (mm) | Weight (kg) |
|---|---|---|---|
| 3721 | Multiple | 185 x 135 x 45 | 1.36 |
| 3711 | Single | 160 x 130 x 40 | 1.10 |
| 3731 | High-density | 200 x 150 x 50 | 1.50 |
| 3741 | Temperature Input | 190 x 140 x 45 | 1.40 |
| 3751 | Analog Output | 180 x 135 x 40 | 1.30 |
Popular Models from Schneider Electric (Triconex)
| Model | Type | Dimensions (mm) | Weight (kg) |
|---|---|---|---|
| 3721 | Analog Input Module | 185 x 135 x 45 | 1.36 |
| 3401 | Digital Input Module | 170 x 130 x 40 | 1.10 |
| 3611 | Safety Controller | N/A | 2.5 |
| 3770 | Analog Output Module | 190 x 140 x 50 | 1.45 |
| 3011 | Communication Module | 180 x 130 x 45 | 1.20 |
FAQ (Q&A)
Q1: What types of analog signals can the Triconex 3721 process?
A1: It can handle standard analog signals including 4-20 mA and 0-20 mA inputs.
Q2: Is the 3721 module suitable for safety-critical applications?
A2: Yes, it is certified to IEC 61508 SIL 3 for use in safety instrumented systems.
Q3: What is the physical size of the 3721 module?
A3: Its dimensions are 185 x 135 x 45 mm.
Q4: How much does the module weigh?
A4: The module weighs approximately 1.36 kg.
Q5: Can the module be mounted on a DIN rail?
A5: Yes, it supports DIN rail and panel mounting options.
Q6: How many input channels does it support?
A6: The 3721 supports multiple analog input channels.
Q7: What is the operating temperature range?
A7: It operates reliably between -20°C and +70°C.
Q8: Does the module support fast signal processing?
A8: Yes, it provides fast response times suitable for critical monitoring.
Q9: What industries typically use this module?
A9: It is widely used in oil & gas, chemical, power generation, and process industries.
Q10: Is it compatible with other Triconex safety system components?
A10: Yes, it integrates seamlessly with the Triconex 3700 series safety automation products.