hi,this is nasir mehmood. i am software engineer and have more than 18 years of development experience in embedded systems, database design, web design, graphics and mobile applications. i have extensive knowledge of working with assembly, c, c++,vc++ .net, java and vb .net. i have gone through the details of your requirement.i have worked in petrochemial and fertilizers industry as instrumentaion engineer ,i have worked with both pneumatic, and electrical system design similar to your needs,so i offer you my expertise for you solution. if you are interested in working with me then feel free to contact me for further details. thanks