ICS Triplex Regent+Plus T3481A High Density Guarded Output Module

Product Description

The ICS Triplex T3481A serves as a critical 24VDC High Density Guarded Output module within the Regent+Plus safety-critical control architecture. This module facilitates the safe distribution of power to 16 independent field channels, typically driving solenoids, relay coils, and other low-power actuators. By employing a “guarded” output design, the T3481A implements sophisticated monitoring and switching logic that prevents unauthorized or accidental activation of field devices, ensuring that safety-critical processes only engage upon valid logic solver commands.

Engineers prioritize the T3481A for Triple Modular Redundant (TMR) applications where functional safety and fault tolerance are mandatory. The module integrates extensive self-diagnostic features that detect internal component failures, short circuits, and open-loop conditions in real-time. Because it is designed for high-density environments, the T3481A packs 16 channels into a compact frame, significantly reducing the required cabinet footprint in large-scale Emergency Shutdown (ESD) or Fire and Gas (F&G) systems. Its robust 1.82 kg construction ensures it withstands the thermal and mechanical stresses prevalent in heavy industrial control rooms.

Technical Specifications and Features

• Manufacturer: ICS Triplex (Rockwell Automation)
• Model Number: T3481A
• System Series: Regent+Plus Control System
• Module Category: Digital Guarded Output
• Operating Voltage: 24VDC nominal
• Channel Count: 16 High-Density Channels
• Safety Integrity: Designed for use in SIL 3 rated safety loops
• Diagnostics: Comprehensive line monitoring and module self-test
• Weight: 1.82 kg
• Dimensions: 3.2 x 26.5 x 35.8 cm
• Operating Temperature: -40°C to +85°C (Industrial Grade)
• Fault Tolerance: Supports TMR configurations for zero-downtime operation
• Mounting: Vertical rack mounting in Regent+Plus I/O chassis