MrEngineer Posted October 20, 2020 Report Share Posted October 20, 2020 Hey everyone! I need a little bit of help with my ladder logic program 😅 So the thing is, I am controlling three valves with Samba 43. The whole process is about opening and closing valves: To start the cycle I need to set all my outputs to low state. This is the condition that allows me to start the process. Then I press the START button on the HMI. The first valve opens by going into the high state. After two seconds, the second and the third valve open. They wait in that state for another two seconds then they close. As soon as they close, the first valve closes as well. The last step is to open first and second valve again. They wait there until the initial condition button is pressed. That's it! I'm not quite good in ladder logic so I tried to simplify it as much as I could, but it doesn't work.. Any ideas? Thank you so much, KR Quote Link to comment Share on other sites More sharing options...
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