With the easy-to-use Modbus function blocks, values can be read and written via Modbus TCP, Modbus UDP or Modbus RTU. In addition, Modbus RTU over TCP and Modbus RTU over UDP are supported.
Without purchasing a license (just download), the Universal Modbus Client Master SL runs for 30 minutes without functional limitations (demo).
The function blocks allow the PLC as Modbus TCP / UDC client or as Modbus RTU Master to exchange data with other devices such as energy meters, controllers or sensors. All relevant features of the Modbus protocol are implemented: