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MELSEC-Q
11 INSTRUCTIONS AND FUNCTIONS
Processing Code 533 Reading the buffer memory of the intelligent functional module of the Q/QnA series
PLC CPU
Control table format definition
Element position
Item
Description
Format 1
Format 2
Format 3
%(0)
Station number
Specify the station number of the PLC.
%(0)
%(0)
Control table
Specify a control table of format 2.
Only
applicable
to
QD51
(-R24)
%(1)
%(1)
Network number
Specify the network number.
%(2)
%(2)
Station number
Specify the station number of the PLC.
%(3)
%(3)
Detailed error code
Detailed error codes are stored here.
%(4)
Requested CPU
Specify the requested CPU.
%(1)
%(4)
%(5)
Processing code
Specify the processing code.
%(2)
%(5)
%(6)
Starting I/O number
Specify the starting I/O number of the
intelligent functional module.
%(3)
%(6)
%(7)
Lower
%(4)
%(7)
%(8)
Buffer memory
starting address
Higher
Specify the starting I/O address of the
intelligent functional module's buffer
memory.
%(5)
%(8)
%(9)
Number of points
Specify the number of points to be read.
• It is possible to read the buffer memory data of the intelligent functional module
from the Q/QnA series PLC CPU using this code.
• Specify the following data for <control table>.