Appendix A Glossary
115
ODBC (Open Database Connectivity)
A database connectivity standard written by Microsoft.
OLE (Object Linking & Embedding)
Method used to allow two different applications to share live
information, which makes HMI connectivity much more robust.
OPC (Open Platform Communications)
A communications protocol that provides a defined set of COM
interfaces that in turn provide data access functions. OPC can be used
by the FactoryTalk Batch Server as a more flexible and powerful
alternative to the Dynamic Data Exchange (DDE) communications
protocol when communicating with process-connected devices
(PCDs).
operation/operation level
The operation segment of a recipe. A procedural element defining an
independent processing activity consisting of the algorithm necessary
for the initiation, organization and control of phases.
OR (Divergence)
A structure within an SFC that represents a decision where recipe
control is passed to only one of the subsequent steps.
owned list
When the perspective in the Arbitration Focus window is designated
owner, the owned list consists of all running recipes, resources and
operators that are displayed in the Owned By portion of the
Arbitration window.
owner list
List of all running recipes, resources and operators that displays in the
Arbitration Focus window when the perspective is owner.
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