Mitsubishi Electric MELSEC Q Series Handbook page 52

2
REPLACEMENT OF CPU MODULE
The following gives an example of replacing the A1S35B+A1S68B system (default parameter is used)
with the Q35B+Q68B system.
(I/O assignment for the AnS series before
replacement)
A1S35B
A1S68B
8
(1) Setting the start XY address of each slot
(I/O assignment for the Q series when the start XY
address of each slot is set after replacement)
Q35B
0 1
Q68B
5 6
2
- 22
0 1 2 3 4 5 6 7
9 10 11 12 13 14 15
Setting the start XY
address of each slot
allows the CPU module
to use the same XY
address used in the AnS
series CPU module.
2 3 4
7 8 9 10 11 12
(I/O assignment for the Q series after replacement)
Q35B
0 1 2 3 4
Q68B
5 6 7 8
After replacement, the start I/O numbers of
the first extension base unit will be "X/Y50".
(2) Setting the number of slots to "8"
(I/O assignment for the Q series when the number
of slots of the base unit is set after replacement)
Q35B
0
Q68B
8
9 10 11 12
Setting the number of
slots allows the CPU
module to start the I/O
numbers of the first
extension base unit
from X/Y80.
1 2 3 4
5 6 7
9 10 11 12 13 14 15