PeterIvaschenko

CIRCUIT TECHNIQUE Pneumatic symbols Rules for designing circuits Elementary circuits Single or semi-automatic cycle Continuous or automatic cycle Elementary circuits Literal and graphical representation of the movement of cylinders Signals generated by limit switches Principles of logic The basic logic functions An example of the application of basic logic functions Use of logic functions YES and NOT OR and AND achieved with (3/2-way) directional control valves Memory valves The timer Cycle start command Single/continuous cycle Emergency command Development of a sequence Flow diagram and designing a pneumatic circuit Movement of multiple cylinders Identification of blocking signals Techniques to eliminate blocking signals: the sequencer Two-hand control unit ELECTRO-PNEUMATIC CIRCUITS Electrical symbols Relay circuits Control systems Electro-pneumatic circuit Realization of logic functions Circuits with dual commands Emergency control - stop and re-positioning of the cylinders Multiple cylinder cycle Sequences with blocking signals