48V DC alarm management system that controls the fans, weather, etc. ligt? The alternating current is terminated on the printed circuit boardof unit alarm management.
What advantages and the disadvantages of a DC unit operated AC control unit on the same printed circuit board.
If the section of the DC alarm unit has a circuit board separate from the appliance with 240V power supply also a separate printed circuit board, but is controlled by a signal cable from the PCB DC, which will be the advantage and disadvantages
Use a small amount of energy to control a large amount of energy.
:)
Posted on August 18, 2010.