Quote:
Originally Posted by Jaxom
Can't leave off the relief valve; see R86:
The relief valve must be attached directly to the compressor or attached by legal fittings connected to the compressor output port. If using an off-board compressor, an additional relief valve must be included in the high pressure side of the pneumatic circuit on the ROBOT. If you want to only store 60 psi (why?) you don't need one.
And don't forget that if you move the compressor off-robot you have to have a manual vent valve both on & off the robot.
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You do not need the relief valve on the robot [if using a 60psi system] if using an off-board compressor (R86). On the newer Viair compressors, it should be physically attached using a legal T-fitting on the output port of the compressor.
OP, here are two diagrams for your minimal required setup. Please note that I combined the compressor, pressure relief valve, and pressure switch in one block for simplicity; only the relief valve and compressor require a direct physical connection.
You can plumb the ouput ports of one solenoid to both shifters in the same circuit (this saves a lot of plumbing and allows you to use one solenoid).
Let me know if you have any additional questions. Again, this is only a guide and may contain unintentional simplifications. Always double check and refer to the rules outlined in 4.1.10 of the manual
http://frc-manual.usfirst.org/viewItem/3#4