512所采用的EIA-485的电气标准是一个总线型的传输线，任何一个接收设备只要接在这两根传输线上，便可接收控制台发出的数据信号。采用DMX512协议标准传送灯光亮度信号，在接收端，数字传输可控硅调光柜需附加一个解码器- DMX512 DMX MEGA8 dmx512 chip DMX512接收程序 485 dmx512 Transceiver DMX512 MEGA8

此程序是 RS-485 从机通讯，包含 3 部分：接收帧程序、发送帧程序及执行命令程序。-This program is RS-485 slave communication, consists of three parts: receiving a frame program to send the frame program and execute the command procedure.