Here is a tutorial to use Beckhoff TwinCAT TF6250 to configure a Modbus TCP Client and access a Modbus TCP Server with Siemens.Let’s Start! Manual https://download.beckhoff.com/download/document/automation/twincat3/TF6250_TC3_Modbus_TCP_EN.pdf Installation Please access this link to download the installation file. https://www.beckhoff.com/en-en/products/automation/twincat/tfxxxx-twincat-3-functions/tf6xxx-tc3-connectivity/tf6250.html Open the Software and Tools tab. Download the exe file. Choose English and OK. Next>. Agree the License and Next>. Enter the information and Next>. Choose Complete and Next>. Next>. Please wait a … Continue reading Beckhoff#TwinCAT3 TF6250 Modbus-TCP Function