Most of the DC motor controllers use PWM to vary motor speed and H bridge circuit to alter its direction. Contacts R(11-12) will open to prevent contactor F to be energized. Using H-bridge circuit the supply given to motor can be reversed so the motor will rotate reverse. Im trying to change drum switch to maintain and use limits to stop at end of travel each direction.
Maintaining contact R(13-14) will close to maintain contactor R continually energize even if the reverse push R button is release. I have a single phase 115/230v motor controlled by a momentary drum switch, to operate in forward and reverse. It can control DC motors having 12 V or 500 mA current ratings. So this is the simple circuit control speed and direction of DC motor. Contacts F(11-12) will close again.Įnergize contactor R. 4: Prototype of H-Bridge Circuit on a breadboard.
Welcome of all visitor of this site, In this video we can see you that how the electrical circuit of '3 phase motor' is controlled and we can see you full practical video of this circuit and we are explain this circuit with diagram. This will cause the contacts R(1-2, 3-4, 5-6) to openĪnd stops the motor M from running forward. Auto Forward & Auto Reverse 'motor control circuit'. Contacts F(1-2, 3-4, 5-6) will close to run motor M on forward direction.ĭe-energized contactor F. Contactor F (11-12) will open to prevent contactor R to be energized. Maintaining contact F (13 14) will close to maintain contact or F continually energized even REV / FOR Three-Phase Motor Connection Power & Control Diagram. Pressing the forward push button F will energize contactor F. Three Phase Motor Connection Reverse and Forward Power and Control wiring diagrams (Two Direction one speed) Abbreviations: O/L Over Load Relay NO Normally Open NC Normally Close REV Reverse FOR Forward. Referring to the control circuit on Figure (a),
Figure (a) are closed, L1 is connected to T3 through contact R (1-2), L2 isĬonnected to T2 through contact R(3-4) and 元 is connected to T1 throughĬontact R(5-6).