Product Description
Triconex PI3381 Pulse Input Module
- Manufacturer: Triconex
- Model/Part Number: PI3381
- Description: Pulse Input Module
Overview
- The Triconex PI3381 Pulse Input Module processes high-speed pulse signals in Triconex safety instrumented systems (SIS). It interfaces with field devices, such as flow meters or tachometers, to ensure accurate data acquisition for safety-critical applications, including emergency shutdown, fire and gas detection, and process control. The module uses a Triple Modular Redundancy (TMR) architecture for fault tolerance and high reliability.
Technical Specifications
| Specification | Details |
|---|---|
| Model | PI3381 |
| Series | Triconex Other Modules |
| Type | Pulse Input Module |
| Description | Processes high-speed pulse input signals with TMR architecture |
| Weight | 1.2 kg |
| Number of Points | 8 pulse inputs |
| Input Voltage | 24 VDC |
| Input Frequency | Up to 100 kHz |
| Isolation | 500 VDC (functional earth to protective earth) |
| Operating Temperature | 0°C to +60°C |
| Diagnostic Indicators | PASS, FAULT, ACTIVE, FIELD PWR, LOCK |
Additional Information
- Functionality: The PI3381 module features three isolated channels for independent signal processing, with data voted at the main processors for high integrity. It provides fast response times and high accuracy for pulse measurements, supporting diagnostics and hot-spare capability to minimize downtime in safety-critical systems.