Hi everyone,

I'm really hoping someone here can help me out, I'm having trouble establishing communication between a 1510SP PLC and WinCC Unified.

Here’s what I’ve done so far:

• Both the PLC and the server are on the same VLAN. I can successfully ping the PLC from the server.
• I've configured the PG/PC interface correctly.
• Security settings and passwords have been removed to eliminate any access restrictions.

Despite all that, I still can’t get the communication to work.

I'm using WinCC Unified Runtime Version V20 SR1.

Has anyone experienced a similar issue or have any ideas on what else I can check?

Fahed

Hi, 

Thank you for your reply Stefan, 

Please see in bellow

Hello,

Have you seen this link:

Configuration of an HMI connection to S7-1500/S7-1200 CPUs

Best regards,

Wizard

Hi , 

yes , i have tried 1 and 2, none of them worked

Hi,

The message is about a Password  which is not correct.

Did you try it, recompile the project with the option "Rebuild All" and download hardware and software to CPU and HMI?

And perhaps this link could help:

How do I delete the IM folder of my TIA Portal project?

 Best regards,

Wizard

Hi again,
I really hate to say this, but I'm still running into the same issue.

Hi,

What is the online Firmware version of your CPU?

Best regards,

Wizard

4.0

So, downgrade the firemware version to 3.0 in TIA Portal fixed the issue