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MELSEC-Q
4 ABOUT QD51 (-R24) FUNCTIONS
4.5 Communications with the Programmable controller CPU
Data can be written to the programmable controller CPU and read from the
programmable controller CPU by the QD51 (-R24) using a BASIC program.
The data which can be written to and read from the programmable controller CPU are
shown below.
No. Data Name Write Read
1 Device Memory
2 Programmable controller CPU Model Name
3 Programmable controller CPU remote RUN/STOP
4 Interrupts to the programmable controller CPU
5 Intelligent function module/Special function module buffer
memory
: Can be run : Cannot be run
Data can also be written to and read from the buffer memory of another intelligent
function module/special function module using a BASIC program.
The way of thinking in the case where data are written to and read from the buffer
memory in a device memory or an intelligent function module/a special function
module is explained below.
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