ad 数模转换 把模拟量转换为数字信号 误差小 性能高-ad DAC converts the analog high-performance digital signal error is small

校准模拟量通道 添加TCP/IP协议版 添加傅立叶变换板 添加启动录波 添加故障录波 SCADA通信 二次谐波分析 处理直流信号 PID调节模块 -Calibrate the analog channel to add TCP/IP protocol version of the Fourier transform plate add add add fault recorder starts recording wave analysis of second harmonic SCADA