ABB TU846 3BSE022460R1 Module Termination Unit in Stock

ABB TU846 Module Termination Unit (MTU) – Redundant I/O Configuration for CI840/CI840A

The ABB TU846 Module Termination Unit (MTU) is a high-performance passive interface module designed specifically for redundant configurations of the CI840/CI840A field communication interface and redundant I/O modules. It provides robust connectivity with dual ModuleBus interfaces and accommodates two CI840/CI840A units, making it an essential component for high-availability automation systems.

With rotary switches for station address configuration, flexible mechanical keying, and support for ModuleBus Optical Port TB842 via TB846, the TU846 offers enhanced reliability and simplified configuration in mission-critical industrial applications.

🔧 Key Features:

• Supports dual CI840/CI840A and redundant I/O configurations

• Passive MTU with dual electrical ModuleBus interfaces

• Rotary switches for address settings (0–99)

• Compatible with TB842 optical port via TB846

• Mechanical keying system with 36 configuration options

• Maximum ModuleBus length: 2.5 meters

• Designed for easy installation and configuration

🏭 Applications:

• Process automation systems

• Industrial control environments requiring high availability

• Redundant I/O configurations in safety-critical applications

• ABB 800xA system integration

✅ Benefits:

• Ensures reliable communication and control in redundant setups

• Enhances system fault tolerance and uptime

• Flexible configuration options for varied system needs

• Simplifies setup and maintenance procedures

• Designed for safe installation with power-off replacement

Optimize your redundant I/O architecture with the ABB TU846 MTU – engineered for performance, flexibility, and reliability in modern industrial automation environments.