[Mark McLeod]

Sounds like you have two things to investigate:

1. Wiring - some of what you describe could be due to the solenoid wires being reversed.
   • On the 24v you can try reversing the connector at the Solenoid Bumper.
   • The old 12v Festo solenoids had two conflicting wiring schemes-on the Festo connector did you try using pins 1&2, as well as, try using pins 1&3? They are only 12v by the way.
2. Code - regardless of what the solenoids may be doing, the code can be tested using the LED indicators on the cRIO module itself. They will light when code properly attempts to actuate a solenoid.

Are you testing the system under pressure? I assume you are since manual activation works.
I only ask because the solenoids require a pilot pressure of at least 20-30 psi to work.