How to setup NAT WIFI TO LAN

Hi can please help my someone to setup the Mikrotik RBmAP2nD router to get functionality like on picture down:

https://ibb.co/7CT1gLS
I have successfully connected the router wirelessly to the AP and setup static IP.
But I’m not able to setup NAT that i can access the PLC device from the PC connected over WIFI to the same AP.
I will by very happy when someone can help my with this.
Many thanks.