CODESYS - the IEC 61131-3 automation software

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PostPosted: Wed Oct 02, 2019 1:06 pm 
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Joined: Tue Oct 01, 2019 10:08 am
Posts: 1
Hello

I'm stuck with this for a while. To make a "table" with 4 pistons on each corner stabilise on its own. But the problem is the pistons don't send any information about it's extend status. There is a bank angle sensor for the x and y axle.
So I thought that if x > 0 that the 2 rear extend until x = 0. But we don't know when pistons are fully extended. So if x stays on an angle for 5seconds long that the 2 front will invert.
the things I know:
Piston don't move = 0
Piston extand = 1
Pistend invert = 2

The bank angle sensor goes from
-450 to 450 (-45° to 45°)

so my question is: is there a solution for it? THANKS


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