Excellent PLC
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| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13666084105 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Introduction
The Triconex 3502EN2 is a high-performance 32-channel digital input module designed for use within Triconex safety and control systems. Operating at 48 VAC/DC, this module is engineered to provide reliable and accurate digital input signal processing in safety-critical applications. Each of the 32 inputs is organized into four groups of eight, sharing a common reference point, which simplifies wiring and enhances system integration.
This module is equipped with individual LED indicators for each input channel, as well as module-level status indicators (PASS, FAULT, ACTIVE), facilitating real-time monitoring and diagnostics. The 3502EN2 is suitable for applications requiring high integrity and availability, such as emergency shutdown systems, fire and gas detection, and other industrial safety systems.
Product Specifications
| Parameter | Specification |
| Model Number | 3502EN2 |
| Input Channels | 32 |
| Input Voltage Range | 48 VAC/DC |
| Input Grouping | 4 groups of 8 inputs, each with a common reference |
| Input Isolation | Electrically isolated channels |
| Status Indicators | Individual LEDs for each channel; PASS, FAULT, ACTIVE |
| Mounting Type | Surface Mount Technology (SMT) |
| Dimensions (H x W x D) | 129.5 x 75 x 114.5 mm |
| Weight | 0.5 kg |
| Operating Temperature | -40°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Humidity Range | 5% to 95% non-condensing |
| Country of Origin | USA |
Product Applications
The Triconex 3502EN2 Digital Input Module is utilized in various industrial applications where reliable digital input signal processing is critical. Typical applications include:
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Emergency Shutdown Systems (ESD): Monitoring critical process parameters to initiate safe shutdown procedures.
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Fire and Gas Detection Systems (F&G): Receiving signals from detectors to trigger alarms and safety actions.
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Process Control Systems: Integrating with distributed control systems (DCS) for process monitoring and control.
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Power Generation Facilities: Monitoring equipment status and environmental conditions to ensure safe operation.
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Oil and Gas Industry: Supervising drilling operations, pipeline integrity, and processing facilities.
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Chemical Processing Plants: Ensuring safe handling and processing of hazardous materials.
Product Advantages
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High Channel Density: Accommodates 32 input channels within a single module, optimizing space and cost.
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Robust Signal Isolation: Each channel is electrically isolated, enhancing system reliability and safety.
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Comprehensive Diagnostics: Equipped with individual channel indicators and module-level status LEDs for efficient troubleshooting.
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Flexible Input Grouping: Organized into four groups with common references, simplifying wiring and maintenance.
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Wide Operating Temperature Range: Suitable for harsh industrial environments with temperatures ranging from -40°C to +70°C.
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Reliable Performance: Designed for high availability and integrity in safety-critical applications.
Frequently Asked Questions (FAQs)
1. What is the primary function of the 3502EN2 module?
The 3502EN2 is a digital input module that processes 32 discrete input signals, typically from field devices such as switches and sensors.
2. What types of input signals are compatible with this module?
It accepts 48 VAC or DC signals, making it versatile for various industrial applications.
3. How are the input channels organized?
The 32 inputs are divided into four groups of eight channels, each group sharing a common reference point.
4. Does the module provide individual channel status indicators?
Yes, each input channel has an LED indicator to display its current status.
5. What diagnostic features are included?
The module includes PASS, FAULT, and ACTIVE indicators to provide real-time diagnostic information.
6. Is the module suitable for use in safety-critical systems?
Yes, it is designed for high-integrity applications such as emergency shutdown and fire and gas detection systems.
7. What are the physical dimensions of the module?
The module measures 129.5 x 75 x 114.5 mm.
8. What is the operating temperature range?
It operates reliably within a temperature range of -40°C to +70°C.
9. Can the module be used in high-humidity environments?
Yes, it is designed to function in humidity levels ranging from 5% to 95% non-condensing.
10. Where is the module manufactured?
The 3502EN2 is manufactured in the United States.
Related Models (Same Series or Function Family)
| Model | Description |
| 3501E | 32-channel digital input module, 115 VAC/VDC |
| 3501T | 32-channel digital input module, 115 VAC/VDC, TMR |
| 3502E | 32-channel digital input module, 48 VAC/VDC |
| 3503E | 32-channel digital input module, 24 VAC/DC |
| 3504E | 64-channel high-density digital input module, 24 VDC |
| 3505E | 32-channel digital input module, low threshold, 24 VDC |
Popular Triconex Modules (Same Brand)
| Model | Description |
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| 3625 | 32-channel digital output module, 24 VDC |
| 3636R | 32-channel relay output module, normally open |
| 3700 | 32-channel analog input module, 0–5 V |
| 3805E | 16-channel analog output module, 4–20 mA |
