Mitsubishi QD51 Programming Manual page 360

11 INSTRUCTIONS AND FUNCTIONS
Processing Code 8
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Loading a sequence program
Control table format definition
Element position
Format 1 Format 2
%(0) • • • • • • •
%(0)
%(1)
%(2)
%(3)
%(1) %(4)
%(2) %(5)
%(3) %(6)
%(4) %(7)
• It is possible to read the sequence program in the PLC CPU using this code.
• Specify the following data for <control table>.
Format 1 control table
%(0) • • • • • •
%(1) • • • • • •
%(2) • • • • • •
%(3) • • • • • •
%(4) • • • • • •
Item
Station number
Control table
Network number
Station number
Detailed error code
Processing code
Main/sub specification
Starting step
Number of steps
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.
Processing code
• Specify 8.
Specify the program to be read.
• To read the main program
• To read subprogram (subprogram 1)
• To read subprogram 2
• To read subprogram 3
Always specify 1 for PLC CPUs in which subprograms
cannot be used.
Specify the starting step count of the program to be read.
The maximum number of steps in the sequence program is
the capacity set by the parameter.
Specify the number of steps to be read.
The allowable specification range is from 1 to 64 steps.
MELSEC-Q
Description
Specify the station number of the PLC.
Specify a control table of format 2.
Specify the network number.
Specify the station number of the PLC.
Detailed error codes are stored here.
Specify the processing code.
Specify either the main program or a
subprogram.
Specify the starting step of the program
to be read.
Specify the number of steps to be read.
• • • • • Specify 1.
• • • • • Specify 2.
• • • • • Specify 3.
• • • • • Specify 4.
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