Automatic feed controller

Published:2011/8/9 20:14:00 Author:Ecco | Keyword: Automatic feed controller | From:SeekIC

The automatic feed controller circuit is composed of the power supply circuit, pulse oscillator, electromagnetic control circuit and motor control circuit, and it is shown in Figure 4-42. Power supply circuit is composed of the knife switch Q, fuses FUl-FU3, buck capacitors Cl, C2, discharge resistor Rl, control switch S, relay K, rectifier diode VDl, voltage regulator diode and filter capacitor C3. Pulse oscillator is composed of the resistor R6, potentiometers RPl, RP2, diodes VD3, VD4, capacitor Cl2 and time-base IC. Solenoid control circuit consists of the electromagnet YA, resistors R7-R9, RI3, potentiometer RP3, diodes VD2, VD5, transistor V, capacitor C5 and thyristor VTl.



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