How to transfer the project inside the PLC to the computer - Database & Sql Blog Articles

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How to transfer the items in plc to the computer? My PLC is with a memory card, what are uploaded with symbols and comments? There should be some, because I have a memory card.
A: The download is PG -> PLC;
The upload is PLC -> PG.
Upload:
First of all, you must set the communication mode between PLC and PG.
Set it up in SETPG/PC.
In STEP7, create a new project (empty)
Click on PLCUPloadstationtoPG
In the dialog box that appears, select the rack number to 0 to set the slot number 2 (general setting)
The address of the selected communication is also generally 2.
Just fine.
“Uploading a Site to a PG” is to upload the entire station hardware configuration and software program.
The new S7-300PLC programs are stored in the MMC card (except 318)
If the PLC does not have an upload password, you can upload the PLC program by uploading it, but the uploaded program has no comment or unsigned table.
Uploaded things with symbols and comments?
Without! Because the symbols and comments are not downloaded to the PLC when they are downloaded, they are not uploaded. The PLC does not store these.