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MELSEC-Q
4 ABOUT QD51 (-R24) FUNCTIONS
4.6 Reading and Writing Data from/to the Buffer Memory of Another Intelligent Function
Module/Special Function Module
Data can be written to and read from the buffer memory of another intelligent function
module or special function module by a QD51 (-R24) BASIC program.
Intelligent Function Module
Special Function Module
Reading of data
Writing of data
QD51(-R24)
BASIC
program
Programmable controller CPU
Sequence
program
Buffer memory
[Commands and functions used]
Commands and functions used to write data to and read data from the buffer memory
of another intelligent function module or special function module are shown below.
Command, Function Name Processing Contents
PCRD : Reads data from the programmable controller CPU.
PCWT : Writes data to the programmable controller CPU.
REMARK
Refer to the Programming Manual (Commands) concerning details of the above
commands and functions.