说明：  台达plC内部寄存器与modbus地址映射表，对想用单片机通过modbus协议控制台达PLC的开发人员有帮助，通过触摸屏接口通讯。
(Delta plc internal registers with the Modbus address mapping table, and would like to use single-chip through the Modbus protocol Console PLC Tatsu developer help, through the touch screen interface communication.)