Multiple Cpu System Parameter Settings; Parameters Required For Multiple Cpu System - Mitsubishi Electric MELSEC Q Series User Manual
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15.2
Multiple CPU System Parameter Settings
CCPU parameter (PLC Parameter) settings, with some exceptions, must be the same across all CPU modules used in
the multiple CPU system.
For the procedure to import multiple CPU parameters set in another project, refer to the following.
Page 295, Section 15.2.2
When parameters have been changed, make the same settings for all CPUs in the multiple CPU system, then reset
CPU No.1 or reapply power to the multiple CPU system (power OFF to ON).
15.2.1
Parameters required for multiple CPU system
Necessity of parameter item settings required for a multiple CPU system and necessity of the same setting are
described below.
Parameters not indicated below can be set in the multiple CPU module and each CPU module individually as in the
single CPU system.
Set in:
<<System settings>>
Points Occupied By Empty Slot
I/O Assignment
<<I/O assignment
settings>>
Base Setting
Detailed Setting
Number of CPUs
Operation Mode
I/O Sharing When Using Multiple
CPUs
<<Multiple CPU
Communication Area Setting (Refresh
settings>>
Setting)
Online Module Change
Multiple CPU High Speed
Transmission Area Setting
Host Station
*1 :
Necessity of setting
: Required for multiple CPU systems. (Not operable without the setting)
: Can be set if necessary for the multiple CPU system.
–: Set in the same way as single CPU system setting.
*2 :
Same setting
: Must be the same for all the CPU modules in the multiple CPU system.
: Items to have the same settings among CPU modules that can be set for a multiple CPU system.
(These items may not be valid in some CPU modules)
–: Can be set individually for each CPU module of the multiple CPU system.
294
Item
Type
Points
Start X/Y
Slots
Control CPU
All CPUs can read all inputs
All CPUs can read all outputs
Send range for each CPU
CPU specific send range
Necessity of
Necessity of
*1
setup
same setting
–
–
–
–
–
–
*2
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