| Patent application number | Description | Published |
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| 20090276486 | APPARATUS AND METHOD FOR CREATING CONFIGURATIONS OF OFFLINE FIELD DEVICES IN A PROCESS CONTROL SYSTEM - A method includes receiving a first proposed value or attribute for a parameter associated with a field device. The field device is or will be used in a process control system. The method also includes determining whether the first proposed value or attribute is valid using a device description associated with the field device. The method further includes, if the first proposed value or attribute is not valid, receiving a second proposed value or attribute for the parameter associated with the field device and determining whether the second proposed value or attribute is valid. The determinations of whether the first and second proposed values or attributes are valid could occur when the field device is offline in the process control system. The method could further include receiving a configuration having multiple values or attributes for multiple parameters associated with the field device and validating at least some of those values or attributes. | 11-05-2009 |
| 20090292524 | SYSTEM AND METHOD FOR ACCESSING AND CONFIGURING FIELD DEVICES IN A PROCESS CONTROL SYSTEM USING DISTRIBUTED CONTROL COMPONENTS - A system includes a client and an interface component. The client includes (i) a device manager associated with a field device in a process control system and (ii) a first emulator configured to emulate a communication manager. The device manager defines a user interface associated with the field device. The interface component includes (i) a second emulator configured to emulate the device manager and (ii) the communication manager. The communication manager is configured to communicate with the field device over a communication link using a specified protocol. The client is physically separated from the interface component. The communication manager could represent a communication Device Type Manager (DTM), and the device manager could represent a device DTM. Also, the first emulator could emulate at least some functions of the communication DTM, and the second emulator could emulate at least some functions of the device DTM. | 11-26-2009 |
| 20090292995 | SYSTEM AND METHOD FOR ACCESSING AND CONFIGURING FIELD DEVICES IN A PROCESS CONTROL SYSTEM - A system includes a client that presents a user interface to a user, where the user interface is associated with a field device in a process control system. The system also includes an interface component having (i) an emulator that emulates a device manager associated with at least the field device and (ii) a communication manager that communicates with the field device over a communication link using a specified protocol. The system further includes a server that provides a request to the emulator based on input from the user provided through the user interface, where the emulator provides the request to the communication manager for communication to the field device. The communication manager could include a communication DTM, and the emulator could emulate at least some functions of a device DTM. A device description (such as a DD/EDD file) could also be used to generate the user interface. | 11-26-2009 |
| 20090292996 | SYSTEM AND METHOD FOR ACCESSING AND PRESENTING HEALTH INFORMATION FOR FIELD DEVICES IN A PROCESS CONTROL SYSTEM - A system includes a server configured to generate a request for status information and/or diagnostic information associated with a field device in a process control system. The system also includes an interface component having (i) an emulator configured to emulate a device manager associated with the field device and (ii) a communication manager configured to communicate with the field device over a communication link using a specified protocol. The server is configured to provide the request to the communication manager through the emulator, receive the status information and/or the diagnostic information from the field device through the communication manager and the emulator, and generate a user interface based on the status information and/or the diagnostic information. The communication manager could represent a communication Device Type Manager (DTM), and the emulator could emulate at least some functions of a device DTM. | 11-26-2009 |
| Patent application number | Description | Published |
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| 20090092149 | ONE-GOOD-PAIR OPERATION IN DUAL-PAIR MODE - A communication system comprising at least one communication unit. Each communication unit includes an interface port, a first-digital-subscriber-line port, a second-digital-subscriber-line port, and a central processing unit. The central processing unit is communicatively coupled to receive information indicative of the operability of the first-digital-subscriber-line port and the second-digital-subscriber-line port. The at least one communication unit is implemented on the physical layer in single-pair mode. The at least one communication unit is configured to switch from sending timeslots in dual-pair mode to sending timeslots in 1+1 protection mode when communication on one of the first-digital-subscriber-line port and the second-digital-subscriber-line port fails. | 04-09-2009 |
| 20090092150 | HYBRID CROSS-LINK - A communication system comprises a first communication unit having a plurality of application ports; and a second communication unit having a plurality of application ports and coupled to the first communication unit; wherein the first communication unit is configured to extract timeslots from a first signal having a first interface format and from a second signal having a second interface format, and to insert the extracted timeslots into a frame for transmission to the second communication unit; wherein the second communication unit is configured to pass the first interface format signal to an application port of a similar interface format and to pass the second interface format signal to an application port of a third dissimilar interface format based on the order of the extracted timeslots in the frame transmitted from the first communication unit. | 04-09-2009 |
| 20090092176 | REGENERATOR UNIT - A communication system comprises a central unit configured to transmit and receive communication signals; a remote unit configured to transmit and receive communication signals; and a regenerator unit configured to regenerate and transmit received communication signals, the regenerator unit comprising a first interface, a second interface and a control and status circuit configured to control operation of the first and second interface, wherein each interface is configured to operate as an independent logical regenerator unit; wherein the central unit and the remote unit communicate over a first communication loop via the first independent interface of the regenerator unit. | 04-09-2009 |
| 20090290583 | SYSTEM AND METHOD FOR MULTIPLEXING FRACTIONAL TDM FRAMES - A multiplexing card comprises a primary TDM port over which TDM frames are communicated to and from a networking device, a plurality of secondary TDM ports over each of which fractional TDM frames are communicated to and from a plurality of digital subscriber line (DSL) units; and a logic device coupled between the primary TDM port and the plurality of secondary TDM ports, wherein the logic device is operable to map timeslots from each of the fractional TDM frames received over the plurality of secondary TDM ports to timeslots in a TDM frame communicated over the primary TDM port, and to map each of a plurality of blocks of timeslots in a TDM frame received over the primary TDM port to one of the plurality of secondary TDM ports; wherein the combined number of timeslots containing user data in the fractional TDM frames received over the plurality of secondary TDM ports is less than or equal to the maximum number of available timeslots in the corresponding TDM frame communicated over the primary TDM port. | 11-26-2009 |
| 20090290603 | MULTIPLE E-CARRIER TRANSPORT OVER DSL - A communication system comprises a first multiplexer card having a first plurality of time division multiplex (TDM) ports and a first differential signaling interface, wherein the first multiplexer card is operable to map timeslots from each of the first plurality of TDM ports to a first combined signal transmitted via the first differential signaling interface; a first unit having a second differential signaling interface coupled to the first differential signaling interface, wherein the first unit is operable to extract the timeslots from the first combined signal and to map the extracted timeslots to a digital subscriber line (DSL) frame for transmission over a DSL link; a second unit coupled to the first unit via the DSL link, the second unit having a third differential signaling interface, wherein the second unit is operable to extract the timeslots in the DSL frame and to map the timeslots to a second combined signal transmitted via the third differential signaling interface; and a second multiplexer card having a second plurality of TDM ports and a fourth differential signaling interface, wherein the second multiplexer card is operable to map each of the timeslots from the second combined signal to one of the second plurality of TDM ports. | 11-26-2009 |
| 20110099546 | SYSTEMS AND METHODS FOR HIGH-SPEED DIGITAL SUBSCRIBER LINE SOFTWARE DOWNLOAD - System and methods for High-speed Digital Subscriber Line Software Download are provided. In one embodiment, a Digital Subscriber Line (DSL) Transceiver Unit is provided. The transceiver unit comprises at least one DSL transceiver, wherein the at least one DSL transceiver implements an Embedded Operations Channel (EOC) and a data path over at least one DSL pair; a first memory for storing a software file for transfer over the DSL pair, wherein the software file comprises a header and at least one file record; and a second memory for storing a provisioning table, wherein the provisioning table establishes timeslot allocations for a plurality of channels communicated over the data path, including provisions for a software download channel for transmitting the software file from the first memory to a target unit over the data path. | 04-28-2011 |
