Mitsubishi Electric MELSEC Q Series Handbook page 177

5
REPLACEMENT OF BASE UNIT AND EXTENSION CABLE
Remarks
(1) Normal operations of the A series AC input module cannot be guaranteed if there is no base unit
on which the A series power supply module is mounted.
Use the A series AC input module in either of the following configurations.
• Mount the A series AC input module on the QA6B or A6B to which the QA6ADP is attached.
• Mount the A series AC input module on the A5B to which the QA6ADP is attached, or connect
the QA6B or A6B to which the QA6ADP is attached as another extension base unit.
(2) The extension base unit for A series with QA conversion adapter mounted and QA1S extension
base unit cannot be used together. (When connecting the extension base unit with QA conversion
adapter mounted, QA1S extension base unit cannot be connected.)
(3) When the QA6B is connected to a Q series extension base unit, the QA6B and QA1S6B are
used together, or the QA1S51B is used, a GOT cannot be bus-connected.
However, when only the QA1S6B is connected, a GOT can be bus-connected.
(4) When using the QA1S6 B extension base unit, a GOT is physically connected to the last of all
extension base units. In the stage number setting, however, assign the GOT as a stage next to the
last Q B type extension base unit.
Assign the QA1S6 B type extension base unit as a stage next to the GOT.
For details, refer to the GOT1000 Series Connection Manual.
How to connect
Stage number
Q38B Q68B
main base unit extension base unit
QA1S68B
extension base unit
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