The Mitsubishi GT15-QBUS is a bus connection unit for the MELSEC-Q series PLC system. It occupies 16 I/O points on the backplane, drawing 0.44 A from the 5 V DC internal supply. This module links the Q bus to external I/O or communication slices — think of it as the backbone adapter that extends the base rack to a remote or secondary panel.
Mitsubishi GT15-QBUS Bus Connection Unit, 16 I/O, 0.44A
MPNGT15-QBUS
Mitsubishi GT15-QBUS Bus Connection Unit, 16 I/O points, 0.44A at 5V DC.
$134.00 – $274.05Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Weight | 0.13 Kg |
| Parameter | Value |
|---|---|
| Product type | Bus Connection Unit |
| I (O occupied points) | 16 points (I/O assignment: 16 intelligent points) |
| Internal consumed current (DC5V) | 0.44A |
Product details
Frequently asked questions
What is GT15-QBUS's listed weight?
The unit weight is 0.13 kg. Shipping weight with packaging is 1.5 kg.
Will GT15-QBUS drop into a panel specified around FX5UC-32MT/DSS?
No — the FX5UC-32MT/DSS is a MELSEC iQ-F series CPU with integrated I/O. The GT15-QBUS is a MELSEC-Q series bus connection unit. They are different form factors, backplanes, and bus protocols. No direct interchange.
MPN
GT15-QBUS