| 摘要 |
<p>PROBLEM TO BE SOLVED: To make wiring of each lamplight unnecessary and to conduct monitoring and operation control of each lamplight. SOLUTION: The lamplight monitoring control system is operated such that a terminal part R for individually conducting monitoring and operation control of lamplight is installed between the secondary side of a transformer CT connected in series to a power source line 4 of constant current AC powder sources 1, 2, a key station 5 for receiving monitoring information from each terminal part R and transmitting operation control information for operationcontrolling lamplight connected to each power source line 4, and the operation control information is superimposed each other and transmitted between each terminal part R and the key station 5 while a power source wave form is changed.</p> |
