摘要:
The present invention relates to systems and methods that provide a portal user with role-based access to components on a network via portlets within the portal. The role-based access can be sharable such that one or more users with a similar role can instantiate instances of a shared portal. Sharable configurations can be stored local to the user's portal, local to another portal and/or within a networked storage medium. The access provides a user with an entry-point to components, wherein a user can monitor and control components. The user can additionally configure the portal such that the component access is further based on the user's location. Advantages of the present invention include delineation of access and administrative functionality, the ability to combine web and application servers within a similar environment, and the ability to access (e.g., controlling, collecting and analyzing data, etc.) when the user is not utilizing the portal.
摘要:
A method to be used with a programmable controller that can communicate with peripheral devices in two protocols, the method for automatically switching controller communication between the two protocols when the protocol used by a peripheral device is different than the protocol currently being used by the controller.
摘要:
An interface for an industrial control system provides, at a server side, a set of objects for programmer use. Instances of object provider objects, linked to each of the software objects, provide a uniform interface for the software objects allowing software objects from different vendors to be used while preserving a common programmer interface.