9/16/2024 7:07 AM | |
Joined: 10/10/2014 Last visit: 9/16/2024 Posts: 6 Rating: (1) |
I also had the same problem. The version of WinCC I am using is WinCC V7.5 + SP2 + Upd13, and the PLC I am using is the CPU 1515F-2 PN with firmware version V2.9. After reading many forums, I found that starting with TIA Portal V17, when you add a new PLC, it will prompt for Secure Communication Mode (TLS communication) and disable Legacy PG/PC and HMI Communication. To enable communication with the 1500 PLC, I used the following steps:
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