In the 0.5s timing module the system calculation is done gauge display and relay output are refreshed and A / D signal is also measured .

0.5秒 定时子程序实现仪表板信号的计算、调用显示程序及输出程序刷新 仪表 板显示和各继电器显示，另外还有检测油量和水温信号的功能。