Hardware Configuration

Dear all,

I need to know which CPU suitable for Oil & Gas and Ambient temperature 70 degree celcisus for critical plant (Redundant CPU)(H2S Gas Plant..)

Here I have suggested the below attachement file and Architecture , i have doubt in this below system whether its suiable or not for the requirement.

knidly give me the valuable suggestion for my clarification.

SIPLUS S7-400 CPU 412-5H and Distributed system with SIPLUS ET 200SP IM155-6PN STANDARD through profinet communication.

Thanks & Regards,

Ganesh Pandi