The Configurator version in 11i can be obtained using the following URL:
http://hostname:portnum/configurator/oracle.apps.cz.servlet.UiServlet?test=version
the values "hostname:portnum" can be found in "BOM:Configurator URL of UI Manager" profile option.
Reference: Note 419300.1
For EBS R12, the URL is
http://hostname:portnum/OA_HTML/configurator/UiServlet?test=version