Programming
104 © Festo Didactic GmbH & Co. • MPS
Expand the Project before, that the Reset-button have to be pressed shortly in any
case to make sure, the visual check is done already. Follow the steps:
1. Reset-button not pressed shortly – Reset-light flash with 500 ms
2. Reset-button was pressed shortly and Station is in home position –
Reset-light is on
2. Reset-button was pressed shortly and Station is not in home position –
Reset-light flash with 200 ms as long as the actuator (actuators) move to
home position,
after reaching the home position, the Reset-light is on.
3. Press Start-button shortly – Reset-light is off, Start-light is on
The whole process (Homing and Start) can be interrupted by pressing the Stop-
button shortly or push the Emergency switch (if Emergency Stop kit is available) and
the process start at the first (1.) step again.
The Start process can not be activated while the homing process is active and the
homing process can not be activated while the Start process is active (as long the
Reset-light flash or is on the Start-button have no function, as long the Start-light is
on, the Reset-button have no function).
Information
Please edit the program FC1 in FBD which starts without any condition. Edit with
symbols. Use the list of inputs and outputs from Project 1.3 to find necessary
informations. The OB1 is in STL.
Instructor: Please explain very clearly what you want to have – if home-position is
running it´s not able to Start, if Start-condition is running it´s not able to run the
home-position sequence.
Planning
Please plan your project step by step first within the whole team for one station first.
Use your program from Project 2.14 as a base for this program. The time to finish
this project should be around 3,0 hour.
2.15 Programming –
Expanded
movement to
Starting Position
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