ABB TU812/TU812V1 Compact MTU

Overview

The ABB TU812/TU812V1 Compact Module Termination Unit (MTU) is a passive I/O termination solution designed for the ABB S800 I/O system. Featuring a compact design, it connects field wiring to I/O modules and includes ModuleBus signal distribution. Its 25-pin D-sub connector allows for up to 16 I/O signals, ensuring reliable performance in industrial automation applications.

Technical Specifications

• Brand: ABB
• Model: TU812/TU812V1
• Application: Industrial automation, compatible with ABB S800 I/O modules.
• Process Signal Connection: 25-pin D-sub connector (male) for up to 16 I/O signals.
• Rated Current per I/O Channel: 2A continuous.
• ModuleBus Current Distribution: 5V at 1.5A, 24V at 1.5A.
• Mechanical Key Configurations: 36 combinations for module compatibility.
• Protection Rating: IP20 per IEC 60529.
• Insulation Voltage: 50V, tested at 500V AC.
• Dimensions: Width: 64mm; Depth: 64mm; Height: 170mm (including latch).
• Weight: 0.17 kg (0.37 lbs).
• Class: Class I earth-protected, per IEC 61140.

Applications

The ABB TU812/TU812V1 is suitable for industrial automation systems where robust and reliable signal termination for the S800 I/O modules is required. Common applications include:

1. Process control systems in manufacturing plants.
2. Power generation and distribution facilities.
3. Automated machinery setups requiring multiple I/O connections.

FAQ

1. What modules are compatible with TU812/TU812V1?
It supports modules like AI810, DI830, DO840, and many others within the ABB S800 series.

2. How many I/O signals can it manage?
The unit can handle up to 16 I/O signals through its 25-pin D-sub connector.

3. What is the significance of the mechanical keying?
Mechanical keying ensures the correct I/O module is installed, avoiding potential misconfiguration.

4. What is the insulation rating?
The rated insulation voltage is 50V, tested at 500V AC for safety.

For more detailed information, please check official datasheet: S800_I_O_Modules_and_Termination_Units