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Unread 02-05-2005, 08:11 PM
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why are the curvey looking festo's such junk?

so i plumed the pneumatics on SwampThing today, and its all good and cheery except the Festo solenoids whom decide not to function at all. what is the magic word or whistle or whichever to make them do their thing?
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Unread 02-05-2005, 08:19 PM
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Re: why are the curvey looking festo's such junk?

most likely the wiring on them is not solid.....since it requires such thin gauge wire it frequently comes out.....or it at least that is my experience with it.....
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Unread 02-07-2005, 08:09 AM
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Re: why are the curvey looking festo's such junk?

We used 16 AWG wire, no problems. They give you four locations for the wires but only two actually work.

They do require square cut tubing and be well seated. If you leave them exposed and they get yanked on, the tubing and plastic connector WILL pull out of the valve. We lost one at a Regional last year, luckily they are interchangeable so we used the exhaust connector.
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Unread 02-07-2005, 08:52 AM
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Re: why are the curvey looking festo's such junk?

As usual this was the programmers fault . Tytus quickly posted a false accusation against festo before we had a chance to diagnose. The problem was we were sending either fwd=1 or rev=1 instead of fwd=1 and fwd=0. In other words we sent it on/open both directions, but you have to turn these either on or off. Sorry Mr. Festo - we love your solenoids!
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Unread 02-07-2005, 09:08 AM
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Re: why are the curvey looking festo's such junk?

Which reminds me that you can run two of those FESTO single solenoids with only one SPIKE.

-SlimBoJones...
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Unread 02-07-2005, 09:21 AM
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Re: why are the curvey looking festo's such junk?

You can, but is that allowed?
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Unread 02-07-2005, 09:32 AM
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Re: why are the curvey looking festo's such junk?

Quote:
Originally Posted by Swampdude
You can, but is that allowed?
Yessir it's allowed!

http://www.ifirobotics.com/docs/spik...uide-dec04.pdf

See Figure 2: Spike BLUE Alternate Wiring for Two Solenoids.

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Last edited by Mr. Lim : 02-07-2005 at 09:34 AM. Reason: More up to date SPIKE Manual
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Unread 02-07-2005, 10:24 AM
Pat Roche Pat Roche is offline
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Re: why are the curvey looking festo's such junk?

You could also run one solonoid for more than one piston too

-Pat
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