ICS Triplex T8461 TMR 24/48 Vdc Digital Output Module

Description

The ICS Triplex T8461 is a high-density, 40-channel digital output module designed for the Trusted Triple Modular Redundancy (TMR) system. It provides high-reliability switching for 24 Vdc or 48 Vdc field loads, utilizing a fault-tolerant architecture to ensure safe control of critical actuators, valves, and solenoids.

Specifications

• Manufacturer: Rockwell Automation (ICS Triplex).

• Country of Origin: United Kingdom.

• Model Number: T8461.

• Output Channels: 40 points, triplicated.

• Output Voltage: 24 Vdc or 48 Vdc (configurable).

• Current Rating: 0.5 Amps per channel (maximum).

• Physical Weight: Approximately 1.6 kg (3.5 lbs).

• Dimensions: 10.5" x 1.2" x 7.8" (266 mm x 31 mm x 198 mm).

• Power Consumption: 20 Watts (quiescent) up to 45 Watts (full load).

• Safety Rating: TÜV approved for SIL3 applications.

Features

• Triple Modular Redundancy: Employs a fully triplicated internal architecture with hardware voting to provide uninterrupted operation even during a component failure.

• Dual-Voltage Versatility: Supports both 24 Vdc and 48 Vdc field power, allowing for flexibility across different industrial equipment standards.

• Smart Line Supervision: Conducts continuous monitoring of field wiring for open-circuit and short-circuit conditions in both the "ON" and "OFF" states.

• Electronic Overcurrent Protection: Features rapid-acting current limiting for each individual channel to prevent damage from external electrical faults.

• Non-Interfering Hot-Swap: Allows for the removal and replacement of the module while the safety system is active without affecting the remaining I/O.

• Real-Time Fault Logging: Automatically reports internal health status and external field faults to the processor with millisecond-precision time stamping.