Mitsubishi Electric MELSEC iQ-R C R12CCPU-V User Manual page 157

■Setting refresh area
For data communication with a multiple CPU synchronous interrupt program (I45) using the fixed cycle communication area,
setting the refresh area is required.
Set the refresh area in accordance with another CPU module with which data to be communicated.
Another CPU module
(communication destination)
C Controller module
Programmable controller CPU
1.
2.
3.
4.
Description
Set the number of points for refresh area as shown below:
• Refresh area (at the END): 0 points
• Refresh area (at the execution of I45): 0 points
Set the number of points for refresh area as shown below:
• Refresh area (at the END): Same number of points with the communication destination programmable
controller
• Refresh area (at the execution of I45): Same number of points with the communication destination
programmable controller.
Click the [Setting] button in the refresh area to be set.
Set the number of points in accordance with the
communication destination CPU module.
Click the [OK] button once the setting is completed.
Set the number of points for all of the refresh area used
for data communication.
8 MULTIPLE CPU SYSTEM FUNCTIONS
8.4 Data Communication Between CPU Modules
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