Mitsubishi Electric MELSEC Q Series User Manual page 108

(4) "PLC (Empty)" setting
An empty slot can be reserved for future addition of a CPU module.
Select the number of CPU modules including empty slots at No. of PLC and set the type of the slots to be emptied
to "PLC (Empty)" in the I/O assignment screen of PLC parameter.
(a) When adding the Motion CPU in the future.
Set slot 0 as "PLC (Empty)."
CPU 0 1
Figure 3.2 "PLC (Empty)" setting for addition of Motion CPU
(b) When adding the PC CPU module in the future.
1) When mounting the Motion CPU
Set slot 1 as "PLC (Empty)."
CPU 0 1
2) When not mounting CPU
Set slot 0 as "PLC (Empty)."
CPU 0 1
2 Slot number
2 Slot number
Figure 3.3 "PLC (Empty)" setting for addition of PC CPU
2 Slot number
Figure 3.4 "PLC (Empty)" setting for addition of PC CPU
CHAPTER3 CONCEPT FOR MULTIPLE CPU SYSTEM
CPU 0 1 2
Added Motion CPU
CPU 0 1 2
Added PC CPU module
CPU 0 1 2
Added PC CPU module
1
2
3
Slot number
4
5
6
7
Slot number
8
Slot number
3 - 3