5/15/2021 4:58 PM | |
Joined: 9/27/2006 Last visit: 9/22/2024 Posts: 12282 Rating: (2685) |
Hello Nam_Ith; There are various ways you can upload and downooad to a S7-400, and they are descirbed in this section of the Programming with Step 7 manual; see the extracted chapter in attachment: https://support.industry.siemens.com/cs/ww/en/view/45531107 The first question you should answer is: do you have Step 7 v5.x installed on your computer, and do you have an existing project for the CPU you want to replace? The reason this is important is because the program downloaded in your CPU contains the code and data (so transfering it to the new PLC will make it work), but it contains no comments or symbols. This makes the program difficult to read and follow, for later modfications. If you do have a working Step 7 project on your PC, the easiest way to change the CPU model is to open the Hardware Config editor, exchange the existing CPU module for the new model part number by drag and drop, and confirm this is what you want to do. Then compile the hardware and download it to the new CPU, followed by the program download. This is a quote from the Configuring Hardware in Step 7 v5.5 manual (section 1.5.1): https://support.industry.siemens.com/cs/ww/en/view/45531110 "Exchanging Modules If you have already created a configuration and wish to exchange a module for which parameters have been specified previously (for example, CPU or analog module) with another module without "losing" the assigned parameters or connection configuration, then proceed as follows: 1. Drag the new module (for example, CPU) to the slot containing the module you want to replace. 2. Confirm you want to replace the module in the dialog box that appears. If the message "The slot is already occupied" appears, you must activate the function first using the menu command Options > Customize and selecting the option "Enable module exchange." " Hope this helps, Daniel Chartier AttachmentProgramming with STEP 7- ch19 Uploading and Downloading.pdf (212 Downloads) |
Last edited by: dchartier at: 05/15/2021 16:59:54Last edited by: dchartier at: 05/17/2021 15:54:44 |
|
This contribution was helpful to2 thankful Users |
5/19/2021 6:17 AM | |
Joined: 8/16/2019 Last visit: 5/10/2024 Posts: 7 Rating: (0) |
Hello Daniel Chartier, It's so helpful. Thank you very much! |
Follow us on