Step7 How to upload the program correctly? -Solutions - Huaqiang Electronic Network

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1, the upload method:
First of all, we must set the communication mode between plc and PG.
Set it up in SETPG/PC.
In STEP7, create a new project (empty)
, click PLCUPloadstationtoPG
In the dialog box that appears, select the rack number as 0 to set the slot number 2 (general setting)
Select the address of the communication, which is generally 2. Just fine.
Uploading the site to the PG" uploads the entire station hardware configuration and software program.
2, the following methods can achieve the upload of the program:
In the SIMATIC Manager, execute the menu PLC/UploadStationtoPG (upload to PG/PC) or click the upload shortcut button on the toolbar to upload the program from a PLC station to the programmer (computer). The uploaded program includes the PLC station. Hardware configuration and user program;
In the SIMATIC Manager, execute the menu Name View-->Online, open the online window of the project, copy the blocks in the current window to your programmer or computer, excluding hardware. configuration;
In the hardware configuration interface, upload the PLC station via the upload button on the toolbar or execute PLC/Upload, which only contains the hardware configuration information, but does not include the user program.
However, the hardware information uploaded by the S7-300/400 series PLC is incomplete, does not include comments, and must be redefined. For example, the order number and parameters of the distribution module are used only for future emergency downloads. The hardware configuration uploaded for the S7-300 series PLC includes the expansion rack, but the distributed I/O (PROFIBUS slave) cannot be uploaded.