本数控稳压电源采用AT89C51控制，其输出电压范围为0到+5 V，输出电流可以达到5A，具有步进电压调节功能，其最小步进为0.05V。-The power supply of the CNC using AT89C51 control the output voltage range of 0 to+5 V, output current can reach 5A, step voltage adjustment function, the minimum step of 0.05V.