Remote replication of local actuator mode selection
AssigneeEIM Company, Inc.
InventorsGerald W. Scalf, Michael H. Truitt
Life of this patent
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AssigneeEIM Company, Inc.
InventorsGerald W. Scalf, Michael H. Truitt
Estimating the term…
A system comprising a local site served by at least one remote site in digital logic communication therewith, the system further comprising mode selection logic including a hierarchy that prioritizes modes available at the local site. The hierarchical priority of a particular mode that may be selected at the local site or at any one of the remote sites determines the mode in which the local site will operate, further depending on the current mode selection state at other remote or local sites. A presently preferred embodiment of the invention is a valve actuator having three-way local mode selection capability (local/remote/off), where such mode control is additionally served by at least one remote site connected via a serial link to the local site of the actuator. In this exemplary embodiment, a hierarchy prioritizes these modes in the following order of high priority to low priority: (1) off; (2) local; (3) remote. Under the logic of the invention, if the “off” mode is selected at the local site or any one of the remote sites, then all the sites will behave in “off” mode. If the “local” mode is selected at the local site or any one of the remote sites, and no site is in “off” mode, then all the sites will behave in “local” mode. If the “remote” mode is selected at the local site and all of the remote sites, then all the sites will behave in “remote” mode.
A system for remote replication of a local valve actuator mode selection functionality, the local valve actuator mode selection functionality having a plurality of local modes and a plurality of operatable modes, the system comprising:
A system for remote selection of local valve actuator modes for a value actuator, the valve actuator having a plurality of the local valve actuation modes and valve actuation functionality, the system comprising:
A system for remote replication of local valve actuator mode selection for a valve actuator, an actuator site module locally connected to the valve actuator, the valve actuator having a plurality of local valve actuation modes and valve actuation functionality, the system comprising:
A method of replicating local valve actuator mode selection for a valve actuator, the valve actuator having a local site and valve actuation functionality, the method comprising:
A system for remote replication of local valve actuator mode selection for a valve actuator, an actuator site module locally connected to the valve actuator and having local mode selection, the valve actuator having a plurality of local valve actuation modes and valve actuation functionality, the system comprising:
Dependencies are inferred from the claim text.