© 2008 Festo Corporation 52 U
Getting Started with Festo MecLab
Conveyor Station
As mentioned earlier the following functions are required:
− The motor is to start when a pushbutton is actuated (therefore a latching circuit is re-
quired to “store” or “remember” the pushbutton signal.
− The motor is to stop again when the second pushbutton or the through-beam sensor is ac-
tuated (requires an “OR” gate).
Figure 5.9 shows the digital module (or the PLC) with the connected logic gates. Closing the
input window stores the program in the digital module (or PLC).
Figure 5.9: Digital module with logic gates
Note:
The “lo level” module can be used to provide the third input of the OR gate. The program will
work without this module, but using it may avoid an “input undefined” flag when activating.
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