1. OPC Foundation (2011) OPC-UA Specifications, http://www.opcfoundation.org/ Accessed 3 Abr. 2011
2. MTConnect Institute (2011) MTConnect Standard V1.1.0, http://www.mtconnect.org Accessed 3 Abr. 2011
3. Fanuc GE (2002) Ethernet Communication with Ethernet Board, FOCAS1/2 Open CNC libraries documentation, Edition 2.4
4. Ferraz F Jr, Coelho RT (2005) Data acquisition and monitoring tools with CNC of open architecture using internet. Int J Adv Manuf Tech 26:90–97
5. CyberOPC Project (2011) CyberOPC Specification, http://www.cyberopc.org , Accessed 3 Abr. 2011