Mitsubishi MELSEC-Q Series User Manual page 114

3
CONCEPT FOR MULTIPLE CPU SYSTEM
(4) "PLC (Empty)" setting
3
- 3 3.1 Mounting Position of CPU Module
3.1.1 When CPU No.1 is Basic model QCPU
(a) When mounting the Motion CPU
• The PC CPU module can be mounted on slot 1 or 2.
• The C Controller module can be mounted on slot 1
(b) When not mounting the Motion CPU
• The PC CPU module can be mounted on slot 0 or 1.
• The C Controller module can be mounted on slot 0
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 2
Diagram 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
Diagram 3.3 "PLC (Empty)" setting for addition of PC CPU
2) When not mounting CPU
Set slot 0 as "PLC (Empty)."
CPU 0 1 2
Diagram 3.4 "PLC (Empty)" setting for addition of PC CPU
Slot number
Slot number
Slot number
CPU 0 1 2
Added Motion CPU
CPU 0 1 2
Added PC CPU module
CPU 0 1 2
Added PC CPU module
Slot number
Slot number
Slot number