Abstract
To design a control system of automatic leveling , and meet the needed accuracy
in need . An automatic leveling system designed with SIMTIC S7-300 control device
of SIEMENS as master-control device , the hardware of the system , and its
corresponding software are described . Through experiment , it is proved to be able
to satisfy the expected control goal . The control plan can be widely applied to
different kinds of leveling system .
Keywords
:
programmable logic controller , automatic leveling , bearing
plumber