Programming
66 © Festo Didactic GmbH & Co. • MPS
Please edit the PLC-program concerning the following description:
if a Start-button is pressed shortly, the piston rod of the cylinder with single
solenoid shall move as long as a Reset button is pressed shortly. If the Start- and the
Reset button are pressed at the same time, the piston rod shall not move out.
Information
Use FC1 to edit the program. Open a new project and name it P2_04. Please copy the
hardwareconfiguration and the OB1 from the project before. Please use symbol
adresses. How to edit the symbol editor was shown in the project P2_03. The
programming language should be FBD.
Instructor: Work out the basics, shown on the next page together with the
participants. Explain the differences of reset- and set dominant. Show how to copy
an OB1 into a new project. Show them how to use the hardwarecatalog (Program
elements) to edit in FBD (see screen next pages). Show the participants how to
watch the function online on the computer.
2.4 Programming –
Basics in Digital
Technology – RS-
Flip-Flop
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