S7-1200 Profinet communication settings for WinTr SCADA.
- Open the PLC project in the S7 TIA Portal software.
- Navigate to the PLC Properties. On the General Tab of the Properties page select Protection. Ensure that the “Full access (no protection)” radio button is selected. (The Siemens TCP/IP Ethernet driver does not currently support the use of a password.) Check the “Permit access with Put/Get communication from remote partner” check box.
- Ensure that any Data Blocks that need to be accessed have the “Accessible from HMI” box enabled.
- Ensure that any Data Blocks that need to be accessed have “Optimized block access” disabled.
- Save these settings.
- Re-upload the project to the controller. It may also be necessary to cycle the power on the controller.