Yes, there is code available
Request the RSlogix5000 version 12.1 CD from AB(Free Trial Version). They have several motion examples of servo motion code on the CD. Remember that the SERCOS part of it is just the communication platform, and is not really used any different than general motion code in RS5000.
(You basically specify the SERCOS card and the communication type for interfacing to the ultra3000 Sercos module.
PS> What Company or Where are you from? (Besides Ontario)