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#16
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Re: new festo valves
Quote:
You can use an additional Solenoid Breakout board connected to a 20A breaker to power 12V solenoids on the same robot. You could also use one or more Spike Relays to power 12V solenoids. |
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#17
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Re: new festo valves
Quote:
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#18
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Re: new festo valves
Thanks for the reminder, I neglected to address that point.
The 2009 and earlier KOP Festo solenoid is They are commercially available (thanks Corey). Last edited by Mark McLeod : 23-01-2010 at 21:19. |
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#19
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Re: new festo valves
Quote:
Quote:
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#20
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Re: new festo valves
Corey has found them commercially available and corrected my error.
I'll post the question to the Q&A. Quote:
Last edited by Mark McLeod : 23-01-2010 at 21:20. |
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#21
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Re: new festo valves
Quote:
http://www.pneuaire.com/13026238.html |
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#22
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Re: new festo valves
Last edited by Mark McLeod : 23-01-2010 at 21:20. |
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#23
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Re: new festo valves
okay I know the 09 Festo's are legal (#13026238), but what about 08's?
Festo P/N #13026684. That would help us out a lot. I'm pretty sure that was implied, but I want clarification GoldenAI |
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#24
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ok, so i've looked over these posts over and over again and i don't want to sound stupid, but for some reason i'm not comprehending where you connect the solinoid valve, i understand that you connect it to the bumper on the cRio, but there are only two wires on the solinoid valve, where on the bumper, there are three prongs for signal, +, -. so i think that's where i'm getting confused and i'm totally new at even knowing what pneumatics are. I hope that once i figure out where to connect the valve, we will be all set, but i don't know.
Oh on the other hand, for the pressure switch... where does that get hooked up? or does it at all?? Sorry one last thing, is anyone using a pressure transducer?? if so what and how and where am i going to put that?? thanks so much |
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#25
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Re: new festo valves
Jamey,
check out this site they cover hooking up pneumatics very well. http://www.team358.org/files/pneumatic/ |
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#26
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Re: new festo valves
Quote:
Quote:
The switch itself gets attached to a fitting that allows it to be connected to the pneumatic tubing on the high pressure side. Quote:
A pressure transducer gets attached to a brass pneumatic fitting so that it can be attached to the pneumatic tubing. Usually you want to have it on the high pressure side too. The same way the pressure switch is attached. Last edited by Mark McLeod : 31-01-2010 at 09:24. |
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#27
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Re: new festo valves
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#28
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Re: new festo valves
Quote:
Your link tries to relate orifice size to Cv. This is not a complete and accurate picture, and may only be good for one specific valve at a specific pressure. There are other factors that go into Cv such as orifice shape, Plunger shape, etc that need to be factored in. |
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#29
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Re: new festo valves
I asked Festo via email(product.support@us.festo.com) this was the response:
The Cv factor on the VPLE18 valve is Cv 0.297 at 80 psi. If there are any other questions do not hesitate to contact me. Best regards, Robert |
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#30
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Re: new festo valves
I wasn't trying to make any claims as regards Cv when I posted that link.
It was just the first one I could quickly find that included a photo of the valve, so we could see it had the same outward appearance as last year's model. I don't believe the manufacturer was making any claims for other makers or even other models. They do list it as approximate Cv for this particular model. The orifice isn't the same as the port size if that's what you were thinking. A 1/8" orifice is what we got in past KOPs with an approximate Cv of .30 We can find the exact Cv (0.297) if we drill down into the product catalog. In any case, FIRST 2010 Q&A has ruled the past Festo valve as legal for this year's competition. Last edited by Mark McLeod : 06-02-2010 at 10:52. |
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