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MELSEC-Q
6 HIGH PERFORMANCE MODEL QCPU FILES
(d) When the "Write to PLC (Flash ROM)" function is executed, all files stored
in the standard ROM or on the Flash card are erased before a batch of files
specified by GX Developer are written. No files can be added to the
standard ROM or Flash card. To add new files to old files, read all the old
files from High Performance model QCPU and write them again into the
High Performance model QCPU.
(e) The "Write to PLC (Flash ROM)" function can be executed when the High
Performance model
QCPU is in RUN status. However, for the following
cases, execute the "Write to PLC (Flash ROM)" function after the High
Performance model QCPU enters into STOP status.
1) The file registers of the Flash card is used in a sequence program.
2) The file registers are used in a sequence program by setting the file
register to "set not to use" in the PLC parameter.
If the "Write to PLC (Flash ROM)" function is executed when the High
Performance model QCPU is in RUN status, an error may occur and the
High Performance model QCPU may stop running.
(f) While the "Write to PLC (Flash ROM)" function is executed, the read/write
cannot be made from other modules. This may cause a time out on the side
of other modules.
POINT
When the High Performance model QCPU is expanded to STOP status and Write
to PLC (Flash ROM) is being performed, do not set it in RUN status.
RUN cannot be performed normally during Write to PLC (Flash ROM).
Perform RUN after Write to PLC (Flash ROM) is completed.
Содержание QCPU (Q Mode)
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