Abstract
Through controls the neon light to extinguish the order brightly，May demonstrate each kind of gorgeous design shape and the fine typeface，Makes various advertisement screen with the neon light，Achieves the remarkable propaganda effect。Controls the neon light to extinguish brightly extremely importantly, may choose programmable controller (PLC) to take the master control electric circuit, and compiles the corresponding software and links up other outside returns to the hardware electric circuit, finally achieves the automatic control neon light advertisement screen。After a neon light advertisement screen completes, in does not change the hardware electric circuit in the foundation, compiles each kind of software procedure using the programming software design, transmits to the programmable controller on, through its automatic control neon light advertisement screen, may demonstrate automatically each kind has designed the demonstration design and the writing effect, achieves the advertisements propaganda the goal.
Key words Programmable controller；automatic ；
neon light advertisement screen
