Product Overview

The ICS Triplex T3481A is a specialized, high-integrity output module developed for the Regent+Plus Control System. This 24V DC unit is engineered to deliver precise discrete control while providing "guarded" circuit protection, an essential feature for safety-critical industrial applications. By utilizing a high-density 16-channel architecture, the T3481A allows for extensive I/O control within a streamlined physical footprint, making it ideal for modern automation environments where cabinet space is at a premium.

This module is designed for mission-critical infrastructure, offering a robust interface for driving solenoids, actuators, and relays. Its primary function is to provide reliable switching while maintaining strict electrical isolation and fault-tolerant behavior. With an exceptional MTBF (Mean Time Between Failures) exceeding one million hours, the T3481A is a benchmark for longevity and operational stability in the power, energy, and manufacturing sectors.

Technical Characteristics and Safety Engineering

The T3481A distinguishes itself through superior thermal management and advanced safety guarding.

• Guarded Output Logic: The unique guarded design prevents inadvertent activation and protects against accidental contact with energized circuits, significantly reducing risks to personnel and hardware.

• 16-Channel High Density: Manages sixteen independent 24V DC output channels, supporting complex control sequences from a single module slot.

• Extreme Environmental Resilience: Engineered with a specialized dielectric polymer housing, the module operates reliably in temperatures ranging from -40°C to +85°C.

• Maintenance Efficiency: Features a tool-less quick-disconnect mechanism, allowing for rapid module replacement or system upgrades with minimal impact on process uptime.

• Broad Load Support: Capable of handling significant current demands (up to 5A switching capability for specific DC configurations), ensuring compatibility with a wide range of industrial actuators.

• Fault-Tolerant Integration: Designed to integrate seamlessly with the Regent+Plus Ethernet-based communication routers, facilitating real-time diagnostics and status reporting.

Technical Specifications

• Manufacturer: ICS Triplex (Rockwell Automation)

• Model Number: T3481A

• Product Series: Regent+Plus Control System

• Module Type: High Density Guarded Output

• Output Channels: 16 Channels

• Nominal Voltage: 24V DC

• Operating Temperature: -40°C to +85°C

• Housing Material: Advanced Dielectric Polymer

• Weight: 1.82 kg (4.01 lbs)

• Dimensions: 3.2 x 26.5 x 35.8 cm

• Reliability: MTBF > 1,000,000 Hours

• HS Code: 8537101190

Industrial Application and Scalability

The T3481A is a cornerstone for Safety Instrumented Systems (SIS) and high-availability PLC configurations. Its rugged build quality makes it suitable for both indoor control rooms and protected outdoor enclosures. Common deployment scenarios include:

• Petrochemical Refineries: Managing critical valve actuators and emergency shutdown sequences.

• Power Generation: Controlling auxiliary systems and circuit breaker trip logic.

• Automated Manufacturing: Driving high-speed solenoids in synchronized production lines.