Electric curtain controller 3

Published:2011/7/26 2:34:00 Author:Ecco | Keyword: Electric curtain controller | From:SeekIC

The electric curtain controller circuit is composed of the power supply circuit, switching circuit and other components, and it is shown in Figure 3-128. Power supply circuit consists of the power transformer T, bridge rectifier UR and filter capacitor Cl. Relays Kl, K2 and limit switch S3 form the interlocking power supply polarity switching circuit. M is the drive motor, HL is the light. Sl (CKDA) and S2 (moving together) is the button. Cl, C2 select the aluminum electrolytic capacitors with the voltage in 25V. S1, S2 select the small-scale micro-button switch.



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