Mitsubishi MELSEC-Q Series User Manual page 36

1 OVERVIEW
Programmable
controller CPU
Program
CF file
2) read command
1) Transfer the recipe data created with the personal computer to the Web server
module.
2) Give a file read command from the user screen.
3) Read the recipe data to the programable controller CPU with the dedicated
instruction (WFREAD).
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(9) Read/write of user data file by programmable controller CPU
(Dedicated instructions)
(a) WFREAD instruction
The user data file on the compact flash card mounted on the Web server
module can be read to the device data of the programmable controller
CPU.
Programmable
controller CPU
Program
[ZP.WFREAD ]
Device data
(Example) User data file reading
Web server module
(FTP server)
[ZP.WFREAD ]
3)
Device data Recipe data
1 File transfer to the Web server module can also be performed with the dedicated instruction (FTPGET).
Web server module
User data
Transfer the recipe data created with the personal computer to
the Web server module, and read the data from the Web server
module to the device data of the programmable controller CPU
with the WFREAD instruction. ( 1)
1)
MELSEC-Q
External device
(FTP client)
Recipe data
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