Hello 

I have a problem

I have a S71200 (ip address: 10.202.0.50) and KTP 400 (ip address: 10.202.0.51)

I want change S71200 ip to 192.168.xx.xx and KTP400 to 192.168.xx.yy without download program with TIA portal

But I worry after change to new ip, KTP 400 cannot connect S71200 because i dont download program. So my question is" After change IP without download program, s71200 still can connect to ktp400 or not?"

And please give me some sofftware can change ip without dowwnload program,

I think "Simatic automation tool" does it can?

Thank you

Hello KhanhLee

you can do this in 3 steps:

look in the manual of the Panel:

https://support.industry.siemens.com/cs/de/en/view/90114350

- First Step Page 54

- Second Step change the IP Adress of the Panel also to the new Range

- Third Step Page 55

-> With this two steps the Communication of the Panel to the PLC should work also after the Change.

Bye Murof