Product Description
Product Overview
The Triconex 3503E is a Digital Input Module designed for use within the Tricon safety instrumented system (SIS) by Triconex, a brand under Schneider Electric (formerly Invensys). This module provides 32 isolated digital input channels to monitor discrete signals from field devices such as switches, sensors, and relays. It supports the Triple Modular Redundant (TMR) architecture, ensuring fault-tolerant operation for safety-critical applications in industries like oil & gas, petrochemical, and power generation.
Technical Specifications
The 3503E has the following specifications based on standard characteristics for this model:
| Item | Specification |
|---|---|
| Model/Part Number | 3503E |
| Manufacturer | Triconex (Schneider Electric) |
| Description | Digital Input Module, 24 VAC/DC, 32 Points |
| Series | Tricon SIS |
| Input Channels | 32 isolated digital inputs |
| Input Voltage | 24 VAC/DC nominal |
| Input Range | 20-42.5 VAC/DC |
| Power Supply | 24 VDC (via Tricon chassis backplane) |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Weight | 1.2 kg |
Additional Details
The 3503E includes the following additional information based on its standard use and documentation:
| Category | Details |
|---|---|
| Function | Monitors 32 digital input signals from field devices |
| Mounting | Installs in Tricon chassis (e.g., Model 8110 or 8111) |
| Compatibility | Tricon Main Processors (e.g., 3008), external termination panels |
| Features | Optically isolated inputs, TMR fault tolerance, field diagnostics |
| Certifications | Meets IEC 61508 SIL 3, UL, and CE standards |
| Part Type | New, surplus, or refurbished |