Example Of Communications With Random Access Buffer - Mitsubishi Electric MELSEC iQ-RJ71EN71 User Manual

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Example of communications with random access buffer

The following figure shows an example of the write operation from the external device.

Device memory

Data received

Program for receive processing

 The receive completion flag is set at the end of the received data.

 The receive completion flag is monitored.

 When the receive completion flag turns on, the data is transferred from the random access buffer to the CPU module.

1.6 Communications Using the Random Access Buffer

Random access buffer

Data received

External device

Receive completion flag

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