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Triconex 3502EN2 Digital Input Module
Warranty: 1 year warranty
Condition : brand new in factory sealed box
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Detail
- Product NameTriconex 3502EN2 Digital Input Module
- Item NO.3737144
- Weight2.0200 kg = 4.4533 lb = 71.2534 oz
- CategoryOthers
- TagTRICONEX, 3502EN2, Digital Input Module
- BrandTriconex
- Creation Time2026-08-13
- The Triconex 3502EN2 is a TMR digital input module designed for Tricon safety systems. It provides 32 self-testing 48 VAC/VDC inputs, arranged in four commoned groups of eight, with continuous input-state diagnostics for reliable signal monitoring in safety-critical industrial applications.
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Triconex 3502EN2 Digital Input Module
Product status: 1.New & Original 2.In Stock
Series: Tricon Safety System
Product Description
The Triconex 3502EN2 is a 48 VAC/VDC Triple Modular Redundant (TMR) digital input module for the Tricon safety system. It provides 32 input points, arranged in four commoned groups of eight. Built-in self-test functions continuously verify input operation, while front-panel indicators provide clear module and point-level status information. The 3502EN2 is the surface-mount version of the 3502EN and is qualified for the Tricon V10 platform.
Specifications
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Module Type |
TMR Digital Input Module |
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System Platform |
Tricon Safety System |
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Nominal Input Voltage |
48 VAC/VDC |
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Number of Inputs |
32 points |
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Input Arrangement |
Four commoned groups of 8 inputs |
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Input Frequency |
DC or 47–63 Hz |
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Recommended Input Range |
35–95 VAC/VDC |
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Maximum Input Voltage |
95 VAC/VDC |
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OFF-to-ON Threshold |
27 VAC/VDC typical; 32 VAC/VDC worst case |
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ON-to-OFF Threshold |
14 VAC/VDC typical; 11 VAC/VDC worst case |
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Typical Hysteresis |
7 VAC/VDC |
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Nominal Turn-on Current |
6–9 mA |
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Input Impedance |
Above 2.9 kΩ nominal |
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OFF-to-ON Delay |
Less than 8 ms |
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ON-to-OFF Delay |
Less than 15 ms |
Application Areas
Emergency shutdown systems
Fire and gas protection systems
Burner management systems
High-integrity pressure protection systems
Turbine and compressor protection
Oil and gas processing facilities
Chemical and petrochemical plants
Power generation and nuclear safety applications
Other safety-critical process control systems
Key Features
Triple Modular Redundant architecture
Provides fault-tolerant digital input processing for critical control and safety functions.
Continuous self-testing
Verifies the transition of normally energized circuits to the OFF state and detects input-related faults.
32-channel input capacity
Four groups of eight commoned inputs simplify the connection of 48 VAC/VDC field devices.
Optically isolated inputs
Improve separation between field signals and the controller’s internal electronics.
Point-level indication
Individual LEDs show the ON or OFF state of all 32 input channels.
Company Service
One-Year WarrantyNew and Original Products Available
Large In-Stock Inventory
Fast Worldwide Delivery
Careful Packaging Before Shipment
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Stock Available - Request Price and Delivery Time |
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Email:sales6@askplc.com |
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Mobile/WhatsApp:+86 17359287459 |
