Mitsubishi Electric MELSEC Q Series User Manual page 241

(2) Parameters required for multiple CPU system
When the multiple CPU system is used, the following parameter settings are required.
Parameters of "Same setting items for each CPU module" should be set with the same settings in all CPU
modules used in the multiple CPU system except some parts.(
Multiple CPU setting
I/O assignment
PLC system
8 - 16
No. of PLC
Operation mode
Multiple CPU synchronous startup
setting
Online module change
I/O sharing when using Multiple CPUs
Multiple CPU high speed transmission
area setting
Refresh setting
I/O Assignment
Basic setting
Points occupied by empty slot
: Mandatory setting items
: Same setting items for each CPU module
Figure 8.7 List of parameters required for multiple CPU system
Section 6.1)
Multiple CPU high speed
transmission
Send range each PLC
Auto refresh setting
Advanced setting
Send range each PLC
PLC side device
Detail settings : Control PLC
slots
Point
Start
System area