ABB TU847Z Module Termination Unit

Overview

The ABB TU847Z is a robust Module Termination Unit (MTU) from the S800 I/O family, engineered for redundant deployment with CI840/CI840A communication interfaces. Designed for harsh industrial environments, this G3-compliant module ensures secure electrical and mechanical termination, providing reliable connections for power, communication, and service tools.

Technical Specifications

Key Features

• Redundancy Ready: Can host two CI840/CI840A modules, enabling continuous operation in critical applications.

• Flexible Addressing: Rotary switches provide simple station addressing between 0 and 99.

• Multiple Interfaces: Dual PROFIBUS and service tool connections simplify system integration and diagnostics.

• Mechanical Safety: Keying prevents incorrect module insertion.

• Industrial Durability: G3 compliance ensures reliable operation in challenging process environments like chemical, pulp & paper, and power industries.

Applications

The ABB TU847Z is ideal for:

• Process control systems requiring high-availability I/O

• Redundant communication interfaces in distributed control systems

• Industrial sites with high humidity, dust, or corrosive conditions

FAQ

Q: Can the TU847Z be replaced while powered?
A: No, the module must be powered down, and adequate clearance on the left side is required for safe removal.

Q: Is it compatible with non-G3 environments?
A: Yes, it can function in standard conditions, but G3 compliance is recommended for harsh environments.

Q: How does TU847Z differ from TU847?
A: The TU847Z is G3-compliant with higher resistance to environmental stress, while the standard TU847 is for normal industrial conditions.