APPENDICES
Appendix 5 Method of replacing High Performance model QCPU with Universal model QCPU
App
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P
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Device
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CP
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* 1: Since the Universal model QCPU retains the data in the program memory even the battery
voltage drops, the boot file setting is not necessary.
* 2: The Universal model QCPU searches for parameters in order of the program memory, memory
card, and the standard ROM, and then uses the parameters found first. If parameters exist in the
program memory or the memory card, the Universal model QCPU cannot use the parameters in
the standard ROM.
* 3: The Universal model QCPU ignores the boot file setting for parameters in the standard ROM.
TableApp.77 When the parameter-valid drive is set to the standard ROM(Continue)
Setting in High Performance model QCPU
Setting in Universal model QCPU
Boot file setting of PLC parameter
Contents of boot file setting
Delete all settings for data other than program and parameter in the boot file
setting. Since these data can be used even not stored in the program memory,
it is not necessary to transfer them to the program memory. Or, change the
setting so that they are stored in the program memory in the first place.
• Delete all settings for data other than program and parameter on the Boot
file setting tab of PLC parameter.
• Move the data other than programs and parameters into the program
memory as needed.
Contents of boot file setting
(Data other than program and parameter indicate initial
device value, device comment, and label program.)
Type
Transfer from
Transfer to
(Data other
than program
and parameter)
Memory card
Program memory
Type
Transfer from
Transfer to
(Data other
than program
and parameter)
Standard ROM Program memory
