The Realization Method of Modbus Communication between BB-RTU and Third Party Equipments
Lng C · Automation in Petro-Chemical Industry · 2009
The Modbus communication protocol including transaction on Modbus network,Modbus communication process between master and slave equipment,Modbus message framing and so on are introduced.To take the Guangdong Dapeng LNG trunkline project as the background and according to the features of Modbus communication,to take communication between RTU and sewage disposal equipment as an example,the realization method of Modbus communication between BB-RTU and third party equipments including the structure of Modbus communication and software design are introduced in detail.