Product Description
Product Overview
| Category | Details |
|---|---|
| Manufacturer | Triconex (Schneider Electric) |
| Model/Part Number | 3503 |
| Description | Digital Input Module for Triconex safety systems, designed to monitor high-density digital signals with internal excitation in safety-critical applications |
| Key Features | 32 input channels, 24 VDC with internal excitation, triple modular redundancy (TMR), high-density design, hot-swappable, SIL 3 certified, self-diagnostic capabilities |
Technical Specifications
| Specification | Details |
|---|---|
| Model | 3503 |
| Product Type | Digital Input Module |
| Series | Tricon Safety System |
| Input Channels | 32 |
| Input Voltage | 24 VDC (internal excitation) |
| Input Current | 7 mA typical per channel |
| Isolation | Optically isolated, channel-to-channel and channel-to-backplane |
| Power Supply | 24 VDC (via chassis backplane) |
| Operating Temperature | -40°C to 70°C (-40°F to 158°F) |
| Dimensions | Approx. 300 x 50 x 200 mm (11.8 x 2.0 x 7.9 in) |
| Weight | Approx. 1 kg (2.2 lbs) |
| Certifications | SIL 3 (IEC 61508), CE |
External Connection Options
| Connection Type | Details |
|---|---|
| Supported Connections | Terminal block via compatible baseplate, integrates with Tricon chassis backplane |
Functional Features
| Feature | Details |
|---|---|
| Digital Input Monitoring | Monitors on/off states from field devices with internal excitation for high accuracy |
| Redundancy | Supports TMR architecture for fault-tolerant operation |
| Hot-Swappable | Allows module replacement without system shutdown |
| Diagnostics | Self-diagnostic capabilities for input status and module health |
Model and Configuration
| Category | Details |
|---|---|
| Base Model | 3503 |
| Configuration | Standard, non-redundant module, compatible with standard Tricon baseplates |
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