DoubleSolenoid question

[GeeTwo]

Originally Posted by FrankJ

The FRC legal valve is a bistable device. The code is open loop (no feed back) Without a sensor to confirm the valve position, the code doesn't know what position the valve is in. When using these valves, I always have the programer keep the solenoid energized if the valve position is important. (Yes they will generally stay in the last energized position. Obliviously there is no way to keep the solenoid energized with the robot disabled.

The KoP valves are bistable devices. The only limitations I am aware of for FRC legality is:

Originally Posted by R66

The only pneumatic system items permitted on 2015 FRC ROBOTS include the items listed below.
C. Solenoid valves with a maximum 1/8 in. NPT port diameter,

Automatic return valves which meet this requirement are also available at AndyMark and elsewhere. Especially if you're going to have your pneumatics in one position most of the time, this may be a good solution to your problem.