Hi,

I can not go online with my CPU 6ES7 215-1AG31 OXBO.

And RUN/STOP lamp is steady orange.

When I try to go online with new connection it shows like attached picture. Its showing only Mac address and not showing IP address. But  Flash LED is active and it can fid the device.

Please help me.

Thanks

Hello,

did you try download inside your PLC prj/cfg with specific IP?

hi Sajeewa,

which TIA version do you have?

Which PLC is projected?

Which PLC do you really have? Are there differences between projected and real PLC?

regards,

Your screen shot looks like your CPU is configured to use ISO/OSI.

If your CPU is running a process/plant stop reading here and ignore the rest.

If you want to re-use a "old" CPU for a new project follow this steps:

• Use the online function (at the end of the project tree):
  select your Network-Card and search.
• When the CPU was found, open Online&Diagnostic
  go to functions (in the middle window)
  reset the CPU and assign an IP-Address. (Caution if your CPU is running in a

Duris_I

Hello,

did you try download inside your PLC prj/cfg with specific IP?

 I am totaly new for s7 1200. As you said I download PLC prj/cfg with IP. Then it go to RUN mode.

Now I am working with the PLC

Thank you so much.

Also thanks for all who gave advice to me.

Hi.

Do not use a switch between PLC and PG. Make a direct connection. Pay attention to your IP addresses.

Hello,

In this case, I came to the point there must be some possibility

1. might your system IP and plc IP address same.

2. you plc run a plant that avoids program downloading.

3. in your old logic must be some bits of forced