Find the download link on the right side.Rather than specifying a function code that you wish to send, you register the set of data you would like to access and the I/O server schedules the requests automatically at the specified rate. Modbus I/O servers, which are in the LabVIEW DSC and LabVIEW Real-Time modules, provide a high-level engine for communicating over Modbus.Modbus is an application-level protocol which defines a set of functions used for interaction between a master device, such as an HMI.
