Mitsubishi Electric MELSEC iQ-R Series User Manual page 123

■Fixed scan interval setting
This product does not have a function that runs in the set fixed scan interval. However, to use the fixed scan communication
area, the interval for data transmission between CPU modules in a multiple CPU system must be set to unify the setting in all
CPUs.
[System Parameter]  [Multiple CPU Setting]  [Communication Setting between CPUs]  [Fixed Scan
Communication Setting]  [Fixed Scan Interval Setting of Fixed Scan Communication]
Window
Displayed items
Item
0.05ms Unit Setting
Fixed Scan Interval Setting (Not set
in 0.05ms unit)
Fixed Scan Interval Setting (Set in
*1
0.05ms unit)
Fixed Scan Communication Function
and Inter-module Synchronization
Function
*1 The maximum area size which can be set in the fixed scan communication area setting varies depending on the fixed scan interval.
(Page 119 Fixed scan communication area setting)
The send image for the fixed scan communication can be checked by selecting "Fixed Scan Communication
Function Operation Image Display."
Description
Set whether to 'Set' or 'Not Set' fixed scan interval of fixed scan
communication in 0.05 ms unit.
Set the fixed scan interval of fixed scan communication.
Please set the same setting for the PLC No. using fixed scan
communication function.
Set the fixed scan interval of fixed scan communication in 0.05 ms unit.
Please set the same setting for the PLC No. using fixed scan
communication function.
Set whether to 'Cooperate' or 'Not cooperated' fixed scan
communication function and inter-module synchronization function
operation or not.
Fixed scan communication operate by fixed scan interval of
synchronization between set modules in synchronization setting
between modules when setting combination.
(Unable to set fixed scan interval in fixed scan communication setting)
Setting range
• Not Set
• Set
• 0.222ms
• 0.444ms
• 0.888ms
• 1.777ms
• 3.555ms
• 7.111ms
0.10 to 10.00ms
• Not Cooperated
• Cooperate
12 BUS ACCESS FUNCTION
12.2 Data Communication Between CPU Modules
12
Default
Not Set
0.888ms
0.10ms
Not Cooperated
121