Design me a Product

i am Assistant Technical manager of Sublime Enterprise . i have 5 year experience to work on hareware design , software designe.t.c , i also design lots of industrial product . Design Pakistan's 1st RFID debit card system for amusement Parks. i can complete your project as you want...

Got this already done with MB client driver. Can show you working system. Currently working on doing the same for Rockwell Allen Bradley systems.

I've experience in doing such project, in which a communication is made from raspberry pi to modbus , data is fetched and uploaded to cloud datastore once in every 15 minutes. 1) How many registers/coils data to be saved into cloud db? 2) What type of communication should be used(TCP/IP or Serial) ? 3) What are the deliverables you expect ? Please let me know above things for further discussion.