using encoder to read speed of rotation (rpm)

[yasser]

i need an example explains how can i use encoder (2500 ppr) to read speed of rotation (rpm) using DAQ 6036E

[smercurio_fc]

Duplicated many times:

http://forums.ni.com/ni/board/message?board.id=250&message.id=30707#M30707
http://forums.ni.com/ni/board/message?board.id=250&message.id=30706#M30706
http://forums.ni.com/ni/board/message?board.id=250&message.id=30704#M30704
http://forums.ni.com/ni/board/message?board.id=250&message.id=30574#M30574

Apparently this user does not seem to follow-up on replies to his/her post.