Mitsubishi Electric MELSEC-Q Series - Number of Slots on the Base Unit

2 REPLACEMENT OF CPU MODULE
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2.4.4 Number of slots on the base unit
The following table shows how to determine the number of slots on the base unit for each series.
Item
Model
AnS series QnAS series Q series
Number of slots on the
base unit
Fixed to 8 slots regardless of the actual number.
Same as the actual number of slots. (The
number of slots can be determined in the
parameter setting.)
(Supplement)
If other than 8-slot base unit is used in the
Q series after replacement, set the start XY
address of each slot or set the number of
slots to "8" in the I/O assignment tab of the
PLC parameter dialog box.