The communication occurs through various mediums such as Profibus, Profinet / Ethernet, Modbus RTU, and Modbus TCP, etc. Along with these mediums, the device must have standard communication protocol support to establish the connection.
In TIA Portal, we can establish communication between two CPUs using S7 Connection via Profinet and Industrial Ethern
Instructions
The following instructions are used for S7 Communication.
PUT instruction sends the data to the Partner CPU.
GET instruction gets the data from the Partner CPU.
