Product Description
Triconex DI3311 Digital Input Module
- Manufacturer: Triconex
- Model/Part Number: DI3311
- Description: Digital Input Module
Overview
- The Triconex DI3311 Digital Input Module processes digital signals in Triconex safety instrumented systems (SIS). It ensures reliable data acquisition for safety-critical applications, such as emergency shutdown, fire and gas detection, and process control, using a Triple Modular Redundancy (TMR) architecture for fault tolerance.
Technical Specifications
| Specification | Details |
|---|---|
| Model | DI3311 |
| Series | Triconex Other Modules |
| Type | Digital Input Module |
| Description | Processes digital input signals with TMR architecture |
| Weight | 1.2 kg |
| Number of Points | 32, commoned |
| Nominal Input Voltage | 24 VDC |
| Operational Voltage Range | 15–30 VDC |
| Absolute Maximum Input Voltage | 33 VDC |
| Input Delay | <10 ms (On to Off or Off to On) |
| Input Impedance | >30 kΩ without baseplate, ≈3 kΩ with baseplate |
| Isolation | 500 VDC (functional earth to protective earth), 800 VDC (functional earth to functional earth) |
Additional Information
- Functionality: The module features three isolated channels for independent signal processing, with data voted at the main processors for high integrity. It includes diagnostics to detect faults and supports hot-spare capability.
- Environmental Durability: The module uses robust materials to ensure reliable operation in harsh industrial environments.
- Integration: The module integrates seamlessly with Triconex SIS, supporting flexible configurations for safety-critical applications.
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