Rapid control circuit of a stepping motor
The figure shows that dark tomb electric locks, fti: al: 4046B and XOR f] as the main control circuit, called S emitted pulses and silicon successive pulses bui...
Two-phase stepper motor drive system circuit
Two-phase stepper motor typical application is shown in Figure 5-15 Xin, made up of two pieces UC3717A can form a two-phase permanent magnet or hybrid stepping ...
PWM DC motor speed control circuit
Circuit works: At present, although the most commonly used method is to pulse width modulation speed, but the circuit is a pulse position modulation (when known...
Electrical contacts Level IV controlled circuit
The circuit uses a motor auto-voltage transformer start....
SHD1006 type single positive pressure blower total pressure circuit
It uses SHD series of electronic control equipment electronic modules. Fan control box KZH as HKD 1F electronic module....
SHD1006 type single positive pressure blower total pressure circuit
It uses SHD series of electronic control equipment electronic modules. Fan control box KZH as HKD 1F electronic module....
Bipolar stepper motor driver module circuit
Circuit works: Figure shows a dedicated stepping motor controller L297 key pin, 17 feet (cw / ccw) is used to control the stepper motor rotation direction...
Eight PTC phase asynchronous motor protection circuit
The thyristor control circuit, with the bridge circuit to control the temperature in the contactor coil KM plus a secondary winding wound as...
Multifunctional motor protection circuit
Circuit works: When normal inspection work where the voltage across the resistor R2 through, RP, partial pressure, as the input signal of IC4. IC4, R3 ~ Rg,...
A high-power DC motor overcurrent protection circuit
R "h sampling circuit limit order _" to reduce the sampling resistor. Plus DC voltage level can be placed between the...
A high-power DC motor overcurrent protection circuit
R "h sampling circuit limit order _" to reduce the sampling resistor. Plus DC voltage level can be placed between the...
Timing SCR control motor reversing circuit
Circuit shown in Figure 3-69. It applies to require frequent timing control motor reversing operation of the occasion. Drawing, thyristor Vl,...
Timing SCR control motor reversing circuit
Circuit shown in Figure 3-69. It applies to require frequent timing control motor reversing operation of the occasion. Drawing, thyristor Vl,...
Only one-way operation of the automatic control circuit of the motor
In some places, allowing only a specific direction by the motor running, even when the power supply phase sequence...
DC motor excitation current circuit
FIG, T is the excitation transformer, R, varistor, rectifier diodes to protect against VDii ~ VD16 breakdown; Rz, C2 resistive capacitor protection...
DC motor excitation current circuit
FIG, T is the excitation transformer, R, varistor, rectifier diodes to protect against VDii ~ VD16 breakdown; Rz, C2 resistive capacitor protection...
C620 lathe Y- conversion and other power-saving circuit
C620 lathe Y- conversion and other power-saving circuit to the motor reversing or not reversing it, although not by reversing contactor control their machines, ...
C620 lathe Y- conversion and other power-saving circuit
C620 lathe Y- conversion and other power-saving circuit to the motor reversing or not reversing it, although not by reversing contactor control their machines, ...
LA5522 Application Circuit
LA5522 Application Circuit It works briefly as follows: When the supply voltage vcc motor mechanical or negative change when the load changes,...
LA5522 Application Circuit
LA5522 Application Circuit It works briefly as follows: When the supply voltage vcc motor mechanical or negative change when the load changes,...