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Chapter 15 Dedicated Instructions
15.1 List of dedicated instructions
The dedicated instructions are listed in Table 15.1.
Refer to "MELSEC-Q QD77GF Simple Motion Module User's Manual (Network)" for
details of each dedicated instruction.
Table 15.1 List of dedicated instructions
Dedicated
instruction
Outline of functions
READ
Reads data from the device of another station. (In units of words)
For the SREAD instruction, when data read is completed, the device on the
other station is turned on. Data reading from the other station by the SREAD
instruction can be checked.
SREAD
WRITE
Writes data in the device of another station. (In units of words)
For the SWRITE instruction, when data write is completed, the other station's
device is turned on. It can be confirmed that data was written to the other
station by the SWRITE instruction.
SWRITE
REMFR
Reads data from the buffer memory in the target station. (In units of words)
REMTO
Writes data to the buffer memory in the target station. (In units of words)
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