| 摘要 |
<p>A remote control system of a lamp is provided to implement stable multi-communication by performing power communication for lamp control through high voltage power of a master terminal. A remote control system of a lamp(1) includes a ballast(2), a remote lamp controller(3), and a master terminal(4). The ballast applies or cuts off power to control the lamp. The remote lamp controller controls on/off of the lamp by controlling the ballast. The master terminal controls the remote lamp controller. The master controller is controlled by an external host computer(5). The remote lamp controller has a control unit, a communication unit, and a connecting unit. The control unit controls the ballast. The communication unit has a communication port, a receiving photocoupler, and a transmitting photocoupler for communication with the ballast and the master terminal. The connecting unit is directly connected to a DC power unit(2a) and a power switching element(2b) inside the ballast. The remote lamp controller directly controls the ballast according to an output signal of the remote lamp controller.</p> |
