bach1223

speed monitor s7 314

2 posts in this topic

heey, i'm stuck at a projekt i'm working on, i need to make a speed monitoring (125 RPM) with a normal input and a sensor.

The plc has to reset a output if it comes under 100 RPM and the continue when it hits 110 RPM, if i dossent reach it in 10 s it has to set an other output.

I have tried a lot of solutions, but the "reset" part gives me som trobles.

I hope that some one can help me :)

 

-bach

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Are actually using SET and RSET instructions?

Have you tried using a standard output instead? Think of it this way... turn the output ON when the speed is greater than 110 RPM.

Can you show us what you have tried?

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