Schneider Electric Triconex 3503E Digital Input Card
Manufacturer: Triconex
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Part Number: 3503N
Condition：New with Original Package
Product Type: Digital Input Module
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Description
Overview of the Triconex 3503E Digital Input Module
The Triconex 3503E (3503EN2 / EDI 5909) is a Digital Input Module designed for Triconex Triple Modular Redundancy (TMR) safety systems. It is used to acquire discrete field signals from switches, contacts, and other digital devices and deliver validated input states to the Triconex safety controller.
This module is commonly installed in Safety Instrumented Systems, Emergency Shutdown Systems, and Fire & Gas systems where reliable discrete signal acquisition is required under harsh industrial conditions.
Input Architecture and Signal Handling
The 3503E provides 32 digital input channels arranged in groups of eight with commoned returns. It supports both AC and DC input signals and is optimized for industrial control voltages.
Triple Modular Redundancy input processing ensures continuous operation even in the presence of a single internal fault, maintaining system integrity and safety compliance.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 3503E |
| Alternate Model | 3503EN2 (EDI 5909) |
| Manufacturer | Triconex (Schneider Electric) |
| Product Type | Digital Input Module |
| System Compatibility | Triconex TMR Safety Systems |
| Number of Inputs | 32 digital input channels |
| Input Grouping | Groups of 8, commoned |
| Input Voltage | 24 VAC / 24 VDC nominal |
| Recommended Input Range | 20–42.5 VDC |
| Maximum Input Voltage | 42.5 VAC / VDC |
| Input Frequency | DC or 47–63 Hz |
| Isolation | Channel group isolation |
| Redundancy | Triple Modular Redundancy (TMR) |
| Diagnostics | Input state monitoring, fault detection |
| Color Code | Dark Red |
| Power Supply | Via Triconex chassis |
| Operating Temperature | 0 °C to +60 °C |
| Storage Temperature | –40 °C to +85 °C |
| Humidity | 5–95% non-condensing |
| Mounting | Triconex chassis (rack-mounted) |
| Module Weight | 0.45 kg |
| Certifications | IEC 61508 SIL3, CE, UL, CSA |