Sugeest System based on PLC5

Dear all,
We are currenrtly having one project on a large scale we have designed a system which having 12 section each section is having a Data Acquisation system

Question 1)
can i use PLC5 Univsal Remote Link (RIO) RIO Rack having 32 Analog Inputs, 32 Analog Outputs ,24 Digital Inputs,24 Digital Outputs
2)
How many Remote racks supported by PLC5 RIO Link?

3)Does it having connectivity with Profibus (Siemens 135U)?

Pls refer attachemnet
Pls suggest the possible system ?

Thanks
Sandeep