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• Devices used in CPU modules
• Program example of CPU No.2
• Program example of CPU No.1
Device used in CPU No.1 Device used in CPU No.2
M31 Send data from CPU No.1 to CPU No.2 M31 Send data from CPU No.1 to CPU No.2
M63 Send data from CPU No.2 to CPU No.1 M63 Send data from CPU No.2 to CPU No.1
D100 to
D149
Storage device for data received from CPU
No.2
D200 to
D249
Storage device of send data to CPU No.1
-
M100 Write completion bit of the S.TO instruction
SM400 Always ON
CPU No.1 read
complete flag
Write complete bit
CPU No.2
write flag
CPU No.2
write flag
Write
complete bit
Write end
data
Write start
data
Write start
data
SM400
Always
ON
CPU No.2
write flag
Read
start data
CPU No.1
read
complete flag