Yes, you need SDS compiler to do development. Please refer to those manuals for development details:
http://digital.ni.com/manuals.nsf/websearch/068105C60F564421862566BF00565ACD?OpenDocument&node=132100_US
http://digital.ni.com/manuals.nsf/websearch/D458C57D714686CA8625665E0063599F?OpenDocument&node=132100_US
http://digital.ni.com/manuals.nsf/websearch/B0D5BDA994A0576E8625665E006359EA?OpenDocument&node=132100_US
National Instrument will not provide round card support in the future; all the round card related business had been transfered to Fieldbus Inc.(www.fieldbusinc.com)
Fieldbus Inc., a partner company specializing in Foundation Fieldbus technology. provides Device Development tools as well as integration assistance for all types of device develop
ment.
Call Fieldbus Inc. (512) 794-1011