ABB TU845 Module Termination Unit
Description
ABB TU845 Module Termination Unit is an I/O channel module designed for industrial automation systems, serving as a termination and configuration component for connecting I/O modules to control systems.
| Specification | Value |
|---|---|
| Brand | ABB |
| Maximum I/O Channels | 8 |
| Process Voltage Connections | 2+2 |
| Per Channel Maximum Voltage | 50V |
| Per Channel Maximum Current | 2A |
| Configuration Options | 36 total (4 keys, 6 positions each) |
Key Features:
- Supports selection between voltage and current inputs via separate shunt bar TY801 for each channel
- Assigns two ModuleBuse connections, one for each I/O module and one for the next termination unit
- Generates correct addresses for I/O modules by transferring output position signals
- Mechanical latch for secure DIN rail mounting, with 4 mechanical keys for module configuration
- Enables I/O module installation with 2-wire connection and field power distribution
Applications:
- Industrial automation control systems
- Distributed I/O system configurations
- Process control and machinery automation setups
Related Models:
- ABB TU841
- ABB TU842
- ABB TU843