project converting / adding HMI to wincc flexible

Good afternoon, I would like to ask for help with the following question:

There is a Controller CPU317 + a large number of frequency converters, flow meters and pneumatic clsters connected via PROFIBUS ( photo hardware in the attachment).

Also in the system there is HMI MP277 8" and scada on PC.

It is required to add to the system 3 HMI and expand the visualisation project. At the same time panel MP277 8" is removed from production.

Are there any ways to add new HMI panels in wincc flexible?

[snip]

Thanks in advance for answers! I am ready to provide additional information.