chapter  15
Pneumatic and Fluidic Logic and Control
Pages 26

Pneumaticlogicissimplytheuseofairvalvesandotherpneumaticdevicestoperform purelydecision-makingfunctions.Theydon'tdoanyworkbuttransmitYESorNO signalsinthecontrolcircuit,justaselectricalrelaysdoinaswitchingcircuitortransistorsdoinamicrocomputer.SeeFigs.15.1through15.4forexamplesoflogicmodes.