3704E
64-Point TMR Analog Input Module - High-Density TMR Analog Input Module
Lifecycle note: Use the unit nameplate and current Triconex documentation as final references before approving a replacement.
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+86 1535940827564-Point TMR Analog Input Module - Tricon Safety System
Triconex 3704E is a 64-point commoned analog input module for the Tricon TMR safety platform. The module accepts configured 0–5 V DC or 0–10 V DC signals and can measure 0–20 mA loops when the specified shunt arrangement is used.
Three redundant signal paths support safety-system diagnostics and continuous input processing. The documented update time is 75 ms, with 12-bit conversion and accuracy below 0.25% of full scale from 0 to 60 °C.
Before replacement, confirm the exact 3704E revision, field termination assembly, voltage-range selection, current-loop shunts, channel allocation and TriStation configuration. Perform loop checks and the approved safety validation after installation.
| Manufacturer | Triconex |
|---|---|
| Model | 3704E |
| Order number | 3704E |
| Product type | High-Density TMR Analog Input Module |
| System family | Tricon Safety System |
| Architecture | Triple Modular Redundant (TMR) |
| Input points | 64 commoned analog inputs |
| Voltage ranges | 0 to 5 V DC or 0 to 10 V DC; range selected in TriStation |
| Current range | 0 to 20 mA using the specified shunt resistor |
| Input update rate | 75 ms |
| Resolution | 12 bits |
| Accuracy | Less than 0.25% of full scale from 0 to 60 °C |
| Input resistance | 30 MΩ minimum, DC |
| Overrange protection | 150 V DC or 115 V AC continuous |
| Status indicators | PASS, FAULT and ACTIVE |
Triconex 3704E provides 64 commoned analog input points in a TMR architecture. Confirm every configured channel against the installed termination documentation.
Triconex 3704E supports 0–5 V DC or 0–10 V DC ranges selected in TriStation; 0–20 mA measurement requires the specified shunt resistor arrangement.
Triconex 3704E has a 75 ms input update rate, 12-bit resolution and accuracy below 0.25% of full scale from 0 to 60 °C.
Verify the exact revision, keyed chassis position, field termination, voltage selection, shunt values, channel map and TriStation project.
Perform channel-by-channel loop tests, confirm PASS, FAULT and ACTIVE indications, compare redundant signal paths and complete the approved safety functional test.
No direct interchangeability should be assumed. Related 3720 and 3721 modules use different input arrangements, so the complete model and application must be verified.
Provide the complete Triconex 3704E nameplate, hardware revision, termination-panel model, configured signal range, quantity and destination.
Current Schneider Electric public pages describe the Triconex platform, while detailed legacy product documentation requires registered support access. Use the installed project records as the final reference.
Send the complete Triconex model, order number, revision, quantity, destination and nameplate photo. We will verify identification details before confirming availability and lead time.
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Reliable Industrial Automation Parts, Global Supply Support SALES PLC works with a broad network of qualified suppliers to provide industrial automation components that meet our customers’ requirements for quality, availability, price, and delivery time. Our product portfolio covers PLC, DCS, HMI, control systems, safety systems, drives, communication modules, and other critical spare parts from leading brands, including Siemens, Emerson, Invensys Triconex, HIMA, GE, ABB, Honeywell, and Bently Nevada. More Than Products — Complete Supply Solutions Our strength goes beyond product sourcing. We work closely with end users, system integrators, maintenance teams, and industrial partners to identify suitable replacement parts and practical procurement solutions. Through integrated purchasing and online support, customers can send inquiries and place orders throughout the year. Our experienced team responds quickly and helps reduce downtime caused by unavailable or obsolete equipment. Our Team Our experienced team brings together product specialists, sourcing professionals, sales consultants, and customer service staff. We work together to provide clear communication and dependable support at every stage of the order. Growing Together for More Than 20 Years For more than 20 years, SALES PLC has continued to grow with the support and trust of customers, suppliers, and business partners around the world. Every project, inquiry, and partnership has helped us improve our service. Looking ahead, we remain committed to providing dependable products, responsive communication, and professional industrial automation solutions. Thank you to every customer and partner who has supported our journey. We look forward to building a stronger and more successful future together. Sustainable Partnerships SALES PLC believes in building long-term, mutually beneficial relationships with customers and suppliers. We focus on honest communication, responsible sourcing, continuous improvement, and reliable service. As industrial technology continues to evolve, we keep expanding our product knowledge and supplier network to support new systems, legacy equipment, and replacement-part requirements. Contact SALES PLC Our team is available during working hours to answer your questions, check product availability, and prepare a quotation.
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