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Mitsubishi A9GT-QBUSS Q Bus connection board

Mitsubishi A9GT-QBUSS Q Bus connection board

  • Product Item : A9GT-QBUSS
  • Product Brand : Mitsubishi
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The A9GT-QBUSS board, developed by Mitsubishi, is a Q Bus connection board tailored for industrial automation applications. It can be utilized within a range of Mitsubishi GOT interface terminals to facilitate a Bus connection between the interface terminal and a CPU.

Thanks to its compact dimensions (6.0" x 3.0" x 1.0") and lightweight design (weighing just 0.1 kg), the installation process is made simple. Moreover, the A9GT - QBUSS Q Bus connection board features only 1 interface.

Technical specifications for A9GT-QBUSS

Brand: Mitsubishi

Series: MELSEC GOT Series

Type: Q Bus connection board

Compatible Devices: Mitsubishi GOT interface terminals

Bus Port:1 bus port or interface

Approximate Dimensions: 6.0" x 3.0" x 1.0" (15.2 cm x 7.6 cm x 2.5 cm)

Approximate Weight: 0.1 kg (0 lbs 3.0 oz)

Number of Boards per GOT Terminal: 1 board per terminal

Applications with GOTs at Termination: Supported

Applications with GOTs at Midpoint: Not Supported


The A9GT-QBUSS board, a Q Bus type of bus connection board, is from Mitsubishi and part of the MELSEC GOT series. It's designed to be installed on the back of a compatible Mitsubishi GOT interface terminal.

This communication board has one bus port for connecting a GOT interface terminal to a Mitsubishi QCPU in industrial automation and control applications. Its main function is to enable seamless data exchange between a GOT and a CPU in a Mitsubishi programmable controller system, acting as a bridge for efficient and reliable data transfer.


The A9GT-QBUSS board is compact and lightweight, measuring around 6.0" x 3.0" x 1.0" (15.2 cm x 7.6 cm x 2.5 cm) and weighing about 0.1 k. It supports high - speed communication for real - time and accurate data transmission in various applications.


Widely used in manufacturing, robotics, process control, and automation applications, it's crucial for enhancing system integration, improving overall system efficiency, and reducing system downtime.

The board has mounting screw holes for easy installation on the back of the host GOT interface terminal. It can be used with a GOT terminal at the end but not at mid - point, and the host GOT terminal can only host one A9GT-QBUSS board at a time.

Alternative model names

A9GT-Q8USS

A9GTQ8USS

A9GTQBUSS