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13 COMMON FUNCTIONS
Setting item
Cd.1 Flash ROM write
request
Refer to Section 5.7 "List of control data" for details on the setting details.
[4] Execution data backup method
(1) Execution data backup (writing to the flash ROM) is carried out using the
dedicated instruction "PFWRT". (Refer to Chapter 14 "Dedicated instructions"
for details.)
(2) Refer to Section 7.2 "Data transmission process" for the data transmission
processing at the backup of the execution data.
(3) Execution data backup can also be carried out by the writing of the data
shown in the table below to the QD75 buffer memory using the TO
command/intelligent function device.
The writing to the flash ROM is executed at the time point the data is written
to the QD75 buffer memory.
Setting
value
1
Set "1" (flash ROM write request).
When the writing to the flash ROM is complete, "0" will be set in "
ROM write request" by the QD75 automatically.
Setting details
13 - 6
MELSEC-Q
Buffer memory address
Axis
Axis
Axis
Axis
1
2
3
4
1900
Cd.1
Flash
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Troubleshooting
