that's answer of my question;
perhaps it can be useful for you 🙂
DIG_In_Line (1, 0, 3, &readingdigital); //if it's a signal digital (i use SCB-100 for all of my connection with PCI6025E)
AI_Read (1, 0, 1, &readinganalogical); //if it's a signal analogical
you can read this document
http://www.ni.com/pdf/manuals/321645b.pdf
page 2-173 and 2-12