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Unread 03-02-2014, 12:14
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Re: issues with Solenoid(Valve)

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Originally Posted by team1631 View Post
Our president made the decision to up our valve from a 12v to a 24v. We did it, and suddenly it didnt work.
Electrical things rarely like switching voltages arbitrarily. Next time someone asks you to change things that are working, it might be worth asking why.
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Unread 06-02-2014, 23:18
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Re: issues with Solenoid(Valve)

I'm confused about kinking the outputs. Are we talking about Festo valves?

I've had 3 of these open and completely disassembled to clean them (There was some moisture inside for some reason, probably kids blowing in them). The small electric solenoids on each end open to pass air to transfer the pneumatic valve. I wouldn't see a reason the outlet needs to be kinked.

Furthermore when I finished cleaning the 3 of them I had, and reassembling them, all 3 operated and transferred back and forth with the outputs open to air.

As far as testing them without air first, electrically, you should hear the electric solenoid transfer. (a small click)
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Unread 06-02-2014, 23:52
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Re: issues with Solenoid(Valve)

Quote:
Originally Posted by goofy173 View Post
I'm confused about kinking the outputs. Are we talking about Festo valves?

I've had 3 of these open and completely disassembled to clean them (There was some moisture inside for some reason, probably kids blowing in them). The small electric solenoids on each end open to pass air to transfer the pneumatic valve. I wouldn't see a reason the outlet needs to be kinked.

Furthermore when I finished cleaning the 3 of them I had, and reassembling them, all 3 operated and transferred back and forth with the outputs open to air.

As far as testing them without air first, electrically, you should hear the electric solenoid transfer. (a small click)
There is no need to "kink" the output hoses for the valve to switch, but there is a need for a minimum amount of pressure to be available on the input side for the valve to fully switch as many of the valves used in FRC are air piloted. So if you hook it directly to a compressor and try to make it switch the loss of air out of the side that is currently activated may be large enough so that pressure doesn't build high enough for the valve to switch.
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