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MELSEC-Q
8 PROGRAMMING WHEN EXECUTING THE SLAVE FUNCTION
8.3 I/O Communication with the Master Node
This section explains an example of a sequence program that performs I/O
communication with the master node.
Parameter setting program
I/O communication
start command
start command
Input data processing program
Output data processing program
Parameter setting program
(See Section 8.2.)
(See Section 8.2.)
Sets the initial setting value of
transmission data.
transmission data.
I/O communication start request
Reads reception data.
Writes transmission data.