Page 93 - PNEUMATIC SYSTEM INSTRUMENT
P. 93

THE LOGIC OR FUNCTION





               COMPONENTS


                     1.  5/2-way valve via pneumatic source


                     2.  3/2-way valve via push button

                     3.  Shuttle valve


                     4.  Double acting cylinder


































               OPERATION

               A double-acting cylinder is to advance if one of two push buttons is


               operated. If the push button is then released, the cylinder is to retract.









                                                           71
   88   89   90   91   92   93   94   95   96   97   98