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How to Upload Siemens PLC Programs?

This article is about uploading the PLC program from PLC to PC.

If we want to change the logic or want to add new logic due to the new installation of the system

or when we call a service engineer who makes changes with plc programming in such cases if we don’t have a program backup in our PC then we can upload (take a backup) a program from PLC to PC.

Upload Siemens PLC

Below I have explained steps to upload a program from PLC to PC using Siemens TIA portal for s7-300 and s7-400 PLCs.

Let’s take an example of a star-delta starter PLC program with which we all are familiar. We will see how we can upload this program.

Step 1:

Download your program first to PLC. To do that follow the step as shown in the figure.

After clicking on the “download” icon, the below-shown popup will appear then click on “load”.

How to Upload Siemens PLC Programs?

After following the above steps, now we will upload the PLC program back to PC.

Step 2:

To upload the program, I have to create a new project.

To create a new project, follow the below steps as shown in the figure.

Project has been Modified in Siemens PLC

After clicking on “new project” new popup will open then give a name to the project and choose a path where we want to keep the program.

Click on “create”, button then another popup will generate and click the “YES” button. After clicking the “YES” button, the following window will appear as shown in the below figure.

Upload PLC Programs

Step 3:

Now as shown in the below figure select “project3” (in our example, you may change your project title) then go to the “online” option then select “upload device as the new station”.

Upload Device as New Station in Siemens PLC

Step 4:

After clicking on the “upload device as a new station” new popup will be generated.

Click on the “start search” button which will find PLC then click on “upload”.

Upload Device to PC

Step 5:

After clicking on the “upload” button, then complete program backup saved from the PLC into the laptop or computer.

As shown in the below figure, a new window opens then extends the “PLC_1” option where you can extend “program blocks” and find our program files here which are saved from the PLC.

PLC Program Upload

Author: Suhel Patel

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T s chary April 4, 2020 at 9:52 am

Dear Sir how to download above file in PDF

Suhel April 5, 2020 at 1:06 pm

So you need that above file in pdf? That what you mean to say.


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How to Upload Siemens PLC Programs?

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