Hi,
here is a KB with all functions which are available (also to config/initialize the card)
http://digital.ni.com/public.nsf/websearch/AC05B6F401633E6F862568080049A06D?OpenDocument
Another forum user asked the question to, why occurs this error:
http://exchange.ni.com/servlet/ProcessRequest?RHIVEID=101&RNAME=ViewQuestion&HOID=506500000008000000C7850000&ECategory=Motion
regards
Thomas