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MELSEC-Q
9. QD75 DATA WRITE/READ/VERIFY
9.2 Flash ROM write request
PURPOSE
Issue the command to write the QD75 buffer memory data to the flash ROM.
Write from buffer memory to flash ROM is batch-performed in the full ranges of the
parameters, positioning data and block start data (including condition data).
• Whether the flash ROM request may be performed or not is determined by the
PLC state check setting in Option setting. (Refer to Section 11.5)
BASIC OPERATION
1. Place the QCPU in the STOP status.
When performing the flash ROM write request without putting the QCPU in the
STOP status, change the PLC state check setting in Option setting.
2. On the project tree view, set the required project as an active project. (Refer to
Section 5.2)
3. Click the [Online]
[Flash ROM request] menu.
4. Click the "Action" button in the Flash ROM request dialog box.
5. Click the "Yes" button in the execution confirmation dialog box.
9.3 QD75 Initialization
PURPOSE
When the system is renewed, for example, initialize the QD75 flash ROM and
buffer memory to place them in the factory-set status (default settings).
• Whether QD75 initialization may be performed or not is determined by the PLC
state check setting in Option setting. (Refer to Section 11.5)
BASIC OPERATION
1. Place the QCPU in the STOP status.
When performing QD75 initialization without putting the QCPU in the STOP
status, change the PLC state check setting in Option setting.
2. On the project tree view, set the required project as an active project. (Refer to
Section 5.2)
3. Click the [Online]
[Initialize QD75] menu.
4. Click the "Action" button in the Initialize QD75 dialog box.
5. Click the "Yes" button in the execution confirmation dialog box.