Help to choose the right module


I want to design a solution with PACT Controller. Kindly find the attached architecture and suggest me right AI,AO,DI,DO Units. this architecture is designed for some other make PLC. with opto we have to maintain the redundancy at each level and it will be great if we can decrease the are consumed by racks by introducing 32 DI cards available in Opto.

Thanks & Regards,
Milind Raval

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You will need to confirm what analog input and output signals are required (4 to 20mA, Temperature, Voltage etc) and also which voltage is required for digital I/O.