flashing relay

gh_ounie · Jul 10, 2008

At step7 S300 I need an optimized function for flashing relay with one input and two output when the signal change from 0 to 1 on input the output number 1 energize and at the next time when the input stat convey from 0 to 1 the output number2 energize

L D[AR2P#0.0] · Jul 10, 2008

Here's one implementation:

Code:

	  A	 #bInput
	  FP	#bEdgeStore
	  JCN   noed
	  AN	#bQ1
	  =	 #bQ1
noed: AN	#bQ1
	  =	 #bQ2

gh_ounie · Jul 11, 2008

Unfortunately I couldn't recognize it with STL language . coulde you pls do it by FB language.

thanks

L D[AR2P#0.0] · Jul 11, 2008

Did you want that with one flake, or two ?

gh_ounie · Jul 12, 2008

I'm not sure if i understant what do you mean by one flake or two but i have in my application two pump and i went them to start

alternatively.

krk · Jul 12, 2008

What he means is that you're making it difficult for yourself (impossible actually) to try and program a S7 efficiently when you are avoiding using/learning any STL as it is the base language for this system.

Resistance is futile.

PeterW · Jul 12, 2008

I always liked two flakes, but as my mum always said, my eyes were too big for my belly!

PeterW · Jul 12, 2008

here's an AB version of what I believe you want, just replace the ONS with a FP instruction for Siemens.

krk · Jul 12, 2008

PeterW said:
here's an AB version

You've gone over to... The Dark Side

PeterW · Jul 12, 2008

krk said:
You've gone over to... The Dark Side

I know I hate it... Cannot see the attraction I really can't.

Quantum with Proworx at the moment though, just to mix it a bit

gh_ounie · Jul 12, 2008

Thanks for your help

flashing relay

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