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APPEN-
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Appendix 3 Method of Replacing Basic Model QCPU or High Performance Model QCPU with Universal
Model QCPU
Appendix 3.4 Functions
APPENDICES
App - 59
(2) Method of replacing High Performance model QCPU with Universal model QCPU
Replacement method varies depending on the settings in the PLC file tab of the PLC parameter dialog box.
TableApp.41 Replacement method
Setting in the PLC file tab Setting in Universal model QCPU
"Not used." is selected.
No change in parameter settings is required. Operation of the Universal model QCPU is the same
regardless of the file usability setting in the High Performance model QCPU.
"Use the same file name as the
program." is selected.
When file usability is set to "Not used." in the High Performance model QCPU, delete the
corresponding program file (file register, initial device value, or comment), which uses the same name
as the program, from the target memory. The Universal model QCPU executes a program without
using a program file if no program file that uses the same name as the program exists in the target
memory.
"Use the following file." is
selected.
No change in parameter settings is required. Operation of the Universal model QCPU is the same
regardless of the file usability setting in the High Performance model QCPU.
PLC parameter setting
High Performance model QCPU
Universal model QCPU
PLC parameter setting
Program name
File register
MAIN Use PLC file setting
SUB1
Not used
SUB2
Not used
PLC file setting
PLC file setting
Program setting
SRAM card SRAM card
MAIN
SUB1 SUB2
File
register
File
register
MAIN
SUB1 SUB2
File register
setting
Use the same file name as the
program. (Target memory: Memory
card (RAM))
Use the same file name as the
program. (Target memory: Memory
card (RAM))
File
register
File
register
File
register
File
register
Programs do not use file registers 'SUB1' and 'SUB2'
according to the "File usability setting".
File registers 'SUB1' and 'SUB2' shall be deleted so that the
programs 'SUB1' and 'SUB2' do not used them.
File
usability
setting
File register
setting