Opening a saved program

We will continue learning the programming of PLC here by opening the project/program we saved in the previous chapter:

1. Start the TIA Portal application

2. Click on Open existing project and select the project and click Open:

   

   Figure 9.1 – Opening a saved program – recently used project

3. On clicking Open, you should see the following, click on Open the project view:

   

   Figure 9.2 – Opening a saved program – Open the project view

4. Double click the PLC in the device list at the left hand side of the screen, PLC_1 [CPU1211C AC/DC/Rly] and double click Program blocks:

   

   Figure 9.3 – Opening a saved program – PLC_1 [CPU1211C AC/DC/Rly]

5. Double click Main [OB1]:

   

   Figure 9.4 – Opening a saved program – Main [OB1]

   The program will be opened showing the ladder diagram as shown in the following screenshot:

Figure 9.5 – Program opened showing the Ladder Diagram

We have just learnt how to open a saved program in...