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Textile machine automatic control circuit

2015-03-02 09:08  
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Textile machine automatic control circuit
As shown in figure, VS is the triac, R1 and C form the absorption circuit, R2 is the trigger limit measured resistor. K1 is activated dry reed pipe, K2 is the stop dry reed pipe, Y1 , Y2 are the magnets. Sectional phase power L1, L2, L3 is applied to motor M via VS1 ~ VS3. When it is driving, promoting the clutch handle to make Y1 move to the boot position, K1's internal contacts are connected to trigger VS1 ~ VS3 conduction, the motor M is energized; when it is parking, the stop magnet Y2 on clutch handle is near K2, K2's internal normally closed contacts disconnects, trigger circuit is powered down, VS1 ~ VS3 are cut-off, the motor M stops.