Overview

The function blocks of the PLC library Tc3_IotBase can be used to establish a WebSocket connection with a server as a client and exchange data.

Product components

The TF6770 IoT WebSockets function consists of the following components, which can be used from TwinCAT version 3.1.4026.x:

• Driver: TcIotDrivers.sys (included in the TwinCAT.Standard.XAR installation in the TwinCAT.XAR.DriversBase package)
• PLC library: Tc3_IotBase (included in the installation of TF6770.IotWebSockets.XAE)