ModBus通讯协议分为RTU协议和ASCII协议，我公司的多种仪表都采用ModBus RTU通讯协议，如：YD2000智能电力监测仪、巡检表、数显表、光柱数显表等-ModBus RTU communication protocol into ASCII protocols and agreements, the company uses a variety of instruments ModBus RTU communication protocol, such as: YD2000 int