1
Donald J Jones, Warren A Edblad, Judith S Pringle, David M Oravetz, Joann R Patelunas: Universal process control device and method for developing a process control loop program. Westinghouse Electric, W E Zitelli, May 5, 1987: US04663704 (171 worldwide citation)

A distributed processing unit (DPU) or drop which performs process control and data acquisition functions in a distributed processing control system having a data highway linking a plurality of such units. A DPU functional processor accesses the local process I/O interface thereby continually receiv ...


2
John W Gomola, Theodore C Giras, William G Wood, Richard E Putman, Rodney E Gilbreath, John S Deliyannides, Terry B Cullen, F David Jones, Warren A Edblad, Frank E Wallace: Digital computer monitored and/or operated system or process which is structured for operation with an improved automatic programming process and system. Westinghouse Electric, E F Possessky, July 29, 1980: US04215406 (94 worldwide citation)

An industrial production or other operational system is established by connecting apparatus which implements system operations to a digital computer system using an interface system. Machine readable definitions of events, of executable jobs, and of system variables are prepared for computer entry a ...


3
Warren A Edblad, John W Gomola, Frank E Wallace, William G Wood, F David Jones: Digital computer monitored system or process which is configured with the aid of an improved automatic programming system. Westinghouse Electric, E F Possessky, October 7, 1980: US04227245 (64 worldwide citation)

An industrial production or other operational system is established by connecting apparatus which implements system operations to a digital computer system using an interface system. Machine readable definitions of events, of executable jobs, and of system variables are prepared for computer entry a ...


4
Warren A Edblad, Albert W Crew, Carl J Staab: Synchronization of time-of-day clocks in a distributed processing network system. Westinghouse Electric, P C Watkins, July 5, 1994: US05327468 (50 worldwide citation)

The operating system clocks in each station on a counter rotating ring network of a distributed processing system are synchronized by latching the count in a free running counter in the network interface of each station at the instant a clock message transmitted by a timekeeper station is received. ...


5
Robert L Yeager, Warren A Edblad: Workstation-based distributed process control system. Westinghouse Process Control, Marshall O Toole Gerstein Murray & Borun, May 30, 2000: US06070250 (30 worldwide citation)

A distributed process control system drop for controlling the operation of an industrial process includes a first workstation or personal computer running industrial continuous process control software on an open architecture operating system and operable to analyze input information provided from t ...


6
Carl J Staab, Robert W Boehmer, Kirk D Houser, Donald J Jones, Robert T Ihrman, Donald A Poepsel, Warren A Edblad: High performance memory imaging network for a real time process control system. Westinghouse Electric, M G Panian, August 25, 1992: US05142623 (17 worldwide citation)

A data communications arrangement for a distributed processor control system having a number of stations which can send and receive control data, includes a communications processor at each station effective for controlling the flow of control data over a serial communications bus. The communication ...


7
Warren A Edblad, Linda L Santoline, Gilbert W Remley, Carl J Staab, Albert W Crew: Method and system for distributing data in a real time data imaging network. Westinghouse Electric Corporation, January 26, 1999: US05864680 (11 worldwide citation)

A computer network system repetitively distributes messages including uniquely identified blocks of real time data containing a current data image over a broadcast communications network to all real time stations for storage of each repetition of each entire block of data directly in station memory ...


8
Warren A Edblad, Linda L Santoline, Carl J Staab, Charles W Einolf Jr, Albert W Crew: Global load smoothing in a real time data imaging network system. Westinghouse Electric, P C Watkins, April 19, 1994: US05305314 (8 worldwide citation)

Real time periodic messages generated by a plurality of stations on a data communication network and having data periods ranging from a shortest to a longest, where the longest data period is an integer multiple of all the others, are assigned by a server station to transmit time slots, equal in dur ...


9
Carl J Staab, Kirk D Houser, Donald J Jones, Robert T Ihrman, Donald A Poepsel, Warren A Edblad: Real time process control using multiple communication networks. Westinghouse Electric, G E Hawranko, May 22, 1990: US04928097 (6 worldwide citation)

A communications arrangement for a distributed process control system operable to control an industrial process where different types of data must be communicated between a number of control drops or stations in varying timing priorities includes a first communication channel on which at least two o ...


10
Suresh K V Vishnubhatla, Richard W Kephart Jr, Warren A Edblad, Donal A Spillane: Controller for solving logic. Westinghouse Process Control, Marshall O&apos Toole Gerstein Murray & Borun, February 20, 2001: US06192506 (3 worldwide citation)

A logic controller includes a memory for storing representations of boolean logic. The boolean logic includes AND and OR boolean logic functions having target values and a plurality of inputs. The processor of the logic controller has input/output circuitry and communications circuitry which provide ...