This activity reads an object from the configurated address.
The Cpu on which you are connecting to.
The IP address of the CPU or of the external Ethernet card.
The Rack of the plc, that you can find in hardware configuration in Step7.
The Slot of the plc, that you can find in hardware configuration in Step7.
The variable to read by using strings like “DB1.DBW20”, “T45”, “C21”, “DB1.DBD400”.