These sub-vis are part of the NI-DAQ driver install. Either you have not yet installed NI-DAQ or they have been deleted.
You can download the currnet NI-DAQ <a href="http://digital.ni.com/softlib.nsf/webcategories/85256410006C055586256BBB002C128D?opendocument&node=132060_US";>here</a> for all OS's. Ed
