Circuit shown in FIG. 3 + 20. Figure, SBi as the start button, SB2 is the stop button, Hi to run lights, Hz as down lights. In the circuit described later, in order to avoid te..
Circuit shown in Figure 13-3. Figure 13-3 (a) DC power supply, Figure 13-3 (b) with AC power. They are used to control the relay. Flash frequency is determined by the resistanc..
Circuit shown in Figure 13-4. It uses triode control. Two transistors VTi, VTz by capacitive coupling C, so that they alternately turn on and off, so that H produce flash light..
Circuit shown in Figure 3 a child opening the main amplifier balanced by the electromagnetic pickup, line amplifiers and high tone control circuit consisting of roads and other..
Circuit shown in Figure 3-121. The key component of electromagnetic holding brake is an electromagnetic brake brakes, brake solenoid which is mainly composed of two parts iron ..
Circuit shown in Figure 3-123. When you press the stop button SBz, contact KMi release, cut off the power to the motor, at the same time, KMz pull, turn the electromagnetic bra..
Circuit shown in Figure 3-124. The line does not use an intermediate relay. Figure, Kv is the speed relay, when the electric engine speed is greater than 120r/min when the cont..
Circuit shown in Figure 3-127. It uses the time relay KT instead of the speed relay. Plugging time determined by the KT set. Generally 1-2s (adjustable). The circuit is suitabl..
Circuit shown in Figure 3-130. The line differs from FIG 3-129 line that press the stop button SB3, the electric motor begins braking. In addition, start-up and braking, the mo..
Circuit shown in Figure 3-131. It uses a relay in place of the speed control relay. The circuit is suitable for dusty rings and other poor environmental situation. ..
Circuit shown in Figure 3-132. The line is automatically round-trip, plug braking circuit. In order to prevent or limit switch SQl offside SQz malfunction caused the accident, ..
Circuit shown in Figure 3-134. This circuit uses automatic control braking means, it is given in Figure 3-133 (a) a base improvements made on the basis of using the time relay ..
Circuit shown in Figure 3-136. The line adds a limit switch SQ, when the motor is running with a mechanical device to a predetermined position, turn off the power and dynamic b..
Circuit shown in Figure 3-137. This eliminates the need for a step-down transformer line, using the principle of energy storage capacitor discharge realization brake, it can be..
Circuit shown in Figure 3-138. The line is also using the principle of energy storage capacitors discharge achieve braking. Capacitance C and resistance R parameters from the m..
Circuit shown in Figure 3-139. This circuit uses a rectifier diode rectifier brake for neutral grounding of the three-phase four-wire power supply system. ..
Circuit shown in Figure 3-141. The line autotransformer voltage starting, dynamic braking. Figure, SBi buck start button, SBz the stop button. Buck start-up time by the time re..
Circuit shown in Figure 3-143. The line not only make the braking effect of the motor is in the normal shutdown, and jog through the process and has a good braking effect. Figu..
Circuit shown in Figure 3-144. The circuit for the automatic control of dynamic braking circuit using the time relay KT control system up time, dynamic braking power using the ..
Circuit shown in Figure 3-146. This eliminates the need for a step-down transformer line, using the principle of energy storage capacitor discharge realization brake, it can be..
Circuit shown in Figure 3-147. To allow sufficient braking time, using the time relay KT (1 ~ 2s, adjustable), the real on the occasion of a brake stop time may be short. Figur..
Circuit shown in Figure 3-154. Figure, KM3 braking contactors. Shutdown, you can disconnect the os. At this time, KM3 was electric pull its normally open contact closure shorti..
Circuit shown in Figure 3-2. That is in the original loop reactor governor again a series reactor. Reactor available TV choke on, can also be made: with such. About 3mm high st..
Circuit shown in Figure 3-21. It issued motor startup sound, light signal to start the process is completed, the signal stops. This circuit is adapted to drive the motor by mea..
Circuit shown in Figure 3-35. The advantage of this approach is to start the motor running from start to full voltage step-down switching over process uninterruptible power sup..
Circuit shown in Figure 3-8. It allows the fan when the turn stop, stop for a gradually increasing air volume decreases by a stop, so the cycle repeated. It uses 555 IC A compo..
Circuit shown in Figure 3-9. It is similar to Figure 3-8, except that zero off MOC3061 type photoelectric coupling B directly connected to control fan operation. ..
Circuit shown in Figure 5-60 in Figure 6 by the operational amplifier IC op amp set up a channel pre-amplifier to compensate for the loss of tone control circuit caused by inse..
Circuit shown in Figure, when the phototransistor VT1 receives infrared light-emitting diode to the infrared light emitted, VT1 conduction, the inverting input of the comparato..