Triconex 3721 Analog Input Modules
| Company Information | ||||||||
| sales@industrial88.com | ||||||||
| Mobile | +8617350837383 | |||||||
| +8617350837383 | ||||||||
| 17350837383 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Triconex 3721 Analog Input Module
Product Overview
The Triconex 3721 Analog Input Module is a high-integrity, fault-tolerant component designed for use in Triconex safety and control systems. It provides high-resolution analog signal acquisition, enabling accurate monitoring of process variables such as temperature, pressure, and flow. Engineered to meet rigorous industrial standards, the 3721 module is suitable for safety instrumented systems (SIS) and critical process control applications where system reliability and data integrity are paramount.
Key Features
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High-Resolution Analog Inputs: 16-bit resolution for precise measurement of analog signals.
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Triple Modular Redundancy (TMR): Ensures fault-tolerant operation through redundancy across all functional elements.
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Diagnostics and Monitoring: Continuous online diagnostics for channel health and signal integrity.
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Wide Signal Range: Supports multiple input types including 0–5 V, 1–5 V, 0–10 V, and 4–20 mA.
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Hot Replacement: Supports online module replacement without system downtime.
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Safety Certified: Complies with IEC 61508 for SIL 3 safety requirements.
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LED Indicators: Provides visual feedback on module and channel status.
Technical Specifications
3.1 Dimensions and Weight
| Item | Specification |
|---|---|
| Dimensions | 185 x 135 x 45 mm |
| Weight | 1.36 kg |
3.2 Module Information
| Item | Specification |
|---|---|
| Model Number | 3721 |
| Module Type | Analog Input Module |
| Number of Channels | 32 channels |
| Input Type | Voltage/Current |
| Resolution | 16-bit |
| Redundancy | TMR (Triple Modular Redundancy) |
3.3 Electrical and Physical Characteristics
| Item | Specification |
|---|---|
| Input Voltage Range | 0–5 V, 1–5 V, 0–10 V |
| Input Current Range | 4–20 mA |
| Power Consumption | < 7 W |
| Operating Temp | 0°C to +60°C |
| Storage Temp | -40°C to +85°C |
| Humidity | 5% to 95% RH, non-condensing |
| Protection Class | IP20 |
3.4 System Compatibility
| Item | Specification |
|---|---|
| Compatible System | Triconex Safety Systems |
| Communication Interface | Tricon CX / Main Processor Bus |
| Configuration Software | TriStation 1131 |
Industry Applications
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Oil & Gas: Ideal for monitoring wellhead pressure, temperature, and flow in upstream and downstream operations.
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Petrochemical: Used in safety loops and control systems for reactors, compressors, and process skids.
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Power Generation: Monitors critical process parameters in turbine control and boiler management.
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Pharmaceutical: Supports environmental control and batch monitoring in regulated production environments.
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Water & Wastewater: Enables precise monitoring of pressure, flow, and chemical dosing.
The Triconex 3721 Analog Input Module delivers unmatched reliability and precision in monitoring critical process variables. Its fault-tolerant design, combined with high-resolution data acquisition and SIL 3 certification, makes it a preferred choice for safety and control in the most demanding industrial environments.
Triconex 3721 Analog Input Modules is in stock. Please contact us for a quick quote and competitive pricing.
| Company Information | ||||||||
| sales@industrial88.com | ||||||||
| Mobile | +8617350837383 | |||||||
| +8617350837383 | ||||||||
| 17350837383 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Company Introduction
Xiamen Shengruite Trading Co., Ltd. is a company specializing in the supply of industrial PLC spare parts.
We provide high-quality PLC spare parts to customers in the global manufacturing, energy and power, chemical and other fields.
Since its establishment in 2011, after 13 years of rapid development, the cumulative global shipments have reached 223,650 pieces, with an annual output value of US$50 million.
Successfully served more than 500 customers in more than 100 countries and regions including Saudi Arabia, UAE, the United States, Europe, Africa, and Southeast Asia
Our Mission
Provide customers with the best quality PLC spare parts and the fastest delivery service to ensure that their industrial automation systems are always in the best operating condition.
We provide a 1-year warranty service, and we support returns and exchanges for any issues to ensure your rights and interests are fully protected.
We can provide detailed product images upon request, and our team can arrange warehouse photos for confirmation to ensure you have all the information you need before making a purchase.
Shipping times vary depending on your location. With the support of our 16 global warehouses, we strive to deliver orders as quickly as possible. Contact us to get an estimated delivery time for your specific location.
The minimum order quantity (MOQ) is typically one unit. However, for larger orders, please contact us for potential discounts and pricing details.
Yes, we offer competitive pricing for bulk purchases. Please reach out to our sales team with the specifics of your order to receive a custom quote.
We accept various payment methods for wholesale orders, including bank transfers (T/T), letters of credit, and other options upon agreement. For large transactions, please contact us directly for payment terms.
Yes, we offer flexible ordering options for both small and large quantities. Whether you\\\\\\\\\\\\\\\’re looking for a single unit or a large batch, we can accommodate your needs.
We occasionally offer promotional discounts for new wholesale customers. Contact us to learn more about any current offers available for first-time buyers.
If you are unsure of compatibility with your existing setup please provide your system details and our support team can verify compatibility prior to purchase.
Returns are accepted within 30 days if the product is unused, unopened, and in its original packaging. Please note that return shipping and associated costs are the buyer\\\\\\\\\\\\\\\’s responsibility.
Yes, we offer technical support for the installation and integration of our products. Our team can assist with setup, configuration, and troubleshooting to ensure a smooth installation.
