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MELSEC-Q
11 INSTRUCTIONS AND FUNCTIONS
Reading parameter data
Control table format definition
Element position
Item
Description
Format 1
Format 2
%(0)
• • • • • • •
Station number
Specify the station number of the PLC.
%(0)
Control table
Specify a control table of format 2.
%(1)
Network number
Specify the network number.
%(2)
Station number
Specify the station number of the PLC.
%(3)
Detailed error code
Detailed error codes are stored here.
%(1)
%(4)
Processing code
Specify the processing code.
%(2)
%(5)
%(3)
%(6)
Starting address
Specify the starting address of the
parameter area to be read.
Processing Code 14
%(4)
%(7)
Number of bytes
Specify the number of bytes to be read.
• This code reads the parameters from the PLC CPU.
• Specify the following data for <control table>.
Format 1 control table
%(0)
• • • • • •
Specify the station number of the PLC CPU from which
data is to be read.
See Section 4.2.2 for the allowable specification range.
%(1)
• • • • • •
Processing code
• Specify 14.
%(2)
• • • • • •
Specify the starting address of the parameter area to be
read.
%(3)
• • •
%(4)
• • • • • •
Specify the number of bytes to be read.
