| Patent Number |
Title Of Patent |
Date Issued |
| RE38640 |
Process control terminal |
October 26, 2004 |
| A process control terminal may be used in a computer network consisting of a process control network of process controllers and an application network of host computers. The process control terminal allows a process control operator access to both process control functions and applicatio |
| 7599748 |
Use of uniform resource locators in process control system documentation |
October 6, 2009 |
| A uniform resource locator (URL) is embedded in computerized or digital documentation for a physical and/or a software process control element existing within a process control environment to thereby provide an automatic link to documentation or other applications that exist in other |
| 7526347 |
Security for objects in a process plant configuration system |
April 28, 2009 |
| A configuration system uses process plant items that may represent, or be capable of representing, entities in a process plant to assist in configuring, organizing, and changing the control and display activities within the process plant. Access to the items may be controlled by asso |
| 7519083 |
Shadow function block interface for use in a process control network |
April 14, 2009 |
| A process control routine may include a first internal function block for executing a control operation based on an input signal and an information conduit communicatively connected to the first internal function block. The information conduit may have an output adapted to provide the in |
| 7337013 |
Use of uniform resource locators in process control system documentation |
February 26, 2008 |
| A uniform resource locator (URL) is embedded in computerized or digital documentation for a physical and/or a software process control element existing within a process control environment to thereby provide an automatic link to documentation or other applications that exist in other |
| 7289861 |
Process control system with an embedded safety system |
October 30, 2007 |
| A process plant includes a process control system having a safety system embedded therein. The integrated process control and safety system includes a host computer arranged to send and receive process level messages and safety level messages, a controller operatively connected to th |
| 7117052 |
Version control for objects in a process plant configuration system |
October 3, 2006 |
| A version control system helps to keep track of versions of process plant items that may represent, or be capable of representing, entities in a process plant. The process plant items may comprise, for example, module objects which may be capable of specifically representing process |
| 6915364 |
Automatically downloaded link active schedule |
July 5, 2005 |
| A system and method for managing delivery of a link active schedule has a master link active scheduler and a backup link active scheduler communicatively coupled together via a databus. The system and method stores a link active schedule in a master link active scheduler and automati |
| 6738388 |
Shadow function block interface for use in a process control network |
May 18, 2004 |
| A process controller that is communicatively coupled to an external field device via a communication network uses a shadow function block disposed within a process controller to enable implementation of a control routine that uses both an internal function block disposed within the proce |
| 6691280 |
Use of uniform resource locators in process control system documentation |
February 10, 2004 |
| A uniform resource locator (URL) is embedded in computerized or digital documentation for a physical and/or a software process control element existing within a process control environment to thereby provide an automatic link to documentation or other applications that exist in other |
| 6618630 |
User interface that integrates a process control configuration system and a field device managem |
September 9, 2003 |
| A user interface is adapted to be used in a process control network having a controller communicatively coupled to a plurality of field devices, a process control configuration database and a workstation having a display, a processor and a memory communicatively coupled to the controller |
| 6266726 |
Process control system using standard protocol control-of standard devices and non-standard devi |
July 24, 2001 |
| A process controller implements and executes a standard set of function blocks or control functions defined by a standard protocol so that standard-type control is achieved with respect to non-standard-type devices. The process controller enables standard devices to implement the sta |
| 6195591 |
Process control system using a process control strategy distributed among multiple control eleme |
February 27, 2001 |
| A process controller implements an overall, user-developed control strategy in a process control network that includes distributed controller and field devices, such as Fieldbus and non-Fieldbus devices. A user defines the control strategy by building a plurality of function blocks and |
| 6078320 |
System for configuring a process control environment |
June 20, 2000 |
| A control studio object system is disclosed which allows a process control environment to be easily and quickly configured or modified. The control studio object system includes a stencil portion having stencil items conforming to algorithms and a diagram portion to which the stencil ite |
| 6032208 |
Process control system for versatile control of multiple process devices of various device types |
February 29, 2000 |
| A process controller implements smart field device standards and other bus-based architecture standards so that communications and control among devices are performed so that the standard control operations are transparent to a user. The process controller allows attachment to a theo |
| 5995916 |
Process control system for monitoring and displaying diagnostic information of multiple distribu |
November 30, 1999 |
| A process control system includes a diagnostic monitoring and display functionality for viewing, in a coherent manner, diagnostic information relating to a process that operates over multiple devices and system components. Although the multiple devices and system components typically |
| 5909368 |
Process control system using a process control strategy distributed among multiple control eleme |
June 1, 1999 |
| A process controller implements an overall, user-developed control strategy in a process control network that includes distributed controller and field devices, such as Fieldbus and non-Fieldbus devices. A user defines the control strategy by building a plurality of function blocks and |
| 5862052 |
Process control system using a control strategy implemented in a layered hierarchy of control mo |
January 19, 1999 |
| A process controller implements an overall, user-developed control strategy in a process control network that includes distributed controller and field devices. A user defines a module control strategy by specifying function blocks that make up control modules and determine the control |
| 5838563 |
System for configuring a process control environment |
November 17, 1998 |
| A control studio object system is disclosed which allows a process control environment to be easily and quickly configured or modified. The control studio object system includes a stencil portion having stencil items conforming to algorithms and a diagram portion to which the stencil ite |
| 5828851 |
Process control system using standard protocol control of standard devices and nonstandard devic |
October 27, 1998 |
| A process controller implements and executes a standard set of function blocks or control functions defined by a standard protocol so that standard-type control is achieved with respect to non-standard-type devices. The process controller enables standard devices to implement the sta |
| 5801942 |
Process control system user interface including selection of multiple control languages |
September 1, 1998 |
| A process control system includes a user interface which supports multiple IEC-1131 standard control languages and user-selection from among the control languages. From a single application routine, a user selects a control language from among a plurality of control languages including, |
| 5006976 |
Process control terminal |
April 9, 1991 |
| A process control terminal may be used in a computer network consisting of a process control network of process controllers and an application network of host computers. The process control terminal allows a process control operator access to both process control functions and applicatio |
