ABB Inc. Patent applications |
Patent application number | Title | Published |
20150253359 | DC BUS VOLTAGE MEASUREMENT CIRCUIT - A voltage measuring device includes an input configured to be coupled to a secondary of an inductive coupling of a DC to DC voltage converter. A switch coupled to the input forms a discharge path parallel to a sampling capacitor dependent on the voltage at the input equaling or exceeding a first voltage threshold and independent of an output voltage at the output of the device. The sampling capacitor is coupled to the output. A rectifier in series with the sampling capacitor is biased to conduct upon the input voltage, minus the output voltage, equaling or exceeding a second voltage. | 09-10-2015 |
20150232275 | CONVEYOR SYSTEM AND ASSOCIATED PRODUCT CARRIER - A conveyor system includes a conveyor table having a platform surface with opposed platform edges that form a flow gap therebetween and a plurality of conveyor mechanisms extending above the platform surface. At least one guide pin assembly is receivable in the flow gap. The guide pin assembly includes a guide pin having at least a portion thereof above the platform surface. A carrier for a workpiece includes a base, a column extending vertically from the base, and a lifting assembly carried by the column that is movable with respect to the column and adapted to carry a workpiece. The carrier may be detachably secured to the guide pin assembly so as to allow controlled movement of the workpiece along the platform surface. | 08-20-2015 |
20150217453 | METHOD AND SYSTEM FOR ROBOTIC ASSEMBLY PARAMETER OPTIMIZATION - A method and system to optimize the parameters of a robot used in an assembly process. The assembly process is categorized based on its nature which may be cylindrical, radial and multi-stage insertion. The search pattern and search parameters are specified. The parameters are optimized and the optimized parameter set are verified and when a predetermined criteria such as assembly cycle time set and/or success rate is met the optimization process stops. When the optimization stops the verified parameters are used to cause the robot to perform the categorized assembly process. If the parameters do not meet the predetermined criteria, another round of optimization using the same or other parameters can be performed. | 08-06-2015 |
20150217452 | METHOD AND SYSTEM FOR ROBOTIC ASSEMBLY PARAMETER OPTIMIZATION - A method and system to optimize the parameters of a robot used in an assembly process. The assembly process is categorized based on its nature which may be cylindrical, radial and multi-stage insertion. The search pattern and search parameters are specified. The parameters are optimized and the optimized parameter set are verified and when a predetermined criteria such as assembly cycle time set and/or success rate is met the optimization process stops. When the optimization stops the verified parameters are used to cause the robot to perform the categorized assembly process. If the parameters do not meet the predetermined criteria, another round of optimization using the same or other parameters can be performed. | 08-06-2015 |
20150198041 | METHOD OF APPLYING A THIN SPRAY-ON LINER AND ROBOTIC APPLICATOR THEREFOR - A method and system for applying a liner material to a contoured surface, such as an exposed rock face in an underground hard rock mine, is disclosed. Locations of a plurality of spatially distributed surface grid points on the contoured surface may be detected so as to generate a representative topographical profile of the contoured surface. Based on the plurality of surface grid points, a spray path for a liner application device configured to emit a spray of the liner material may be determined. In some cases, the spray path may have a trajectory that follows the topographical profile of the contoured surface offset therefrom within a spray range of the liner application device. Liner material may then be sprayed onto the contoured surface while controlling the liner application device to undertake at least one pass of the spray path. | 07-16-2015 |
20140239856 | ELECTRICAL ENERGY STORAGE SYSTEM FOR TRACTION POWER SUPPLY - An energy storage system for connection to a traction power supply that provides power to an electric vehicle. The energy storage system includes a power controller that controls a DC-DC converter to transfer electrical energy from the traction power supply to electrical energy storage when the train is braking. The power controller also controls the converter to transfer electrical energy from the electrical energy storage to the traction power supply when the train is accelerating. The controller slows the rate of energy transfer when upper and lower voltage boundary limits of the electrical energy storage are approached, respectively. | 08-28-2014 |
20140195844 | SYSTEM AND METHOD FOR DEVELOPING, DEPLOYING AND IMPLEMENTING POWER SYSTEM COMPUTER APPLICATIONS - A system and method for developing, deploying and implementing computer applications for a power system has an open software framework for developing mobile applications. The mobile applications are developed by combining predefined modules having functionality to monitor a power system, change configuration settings within devices installed on the power system and allow utility personnel to quickly respond to events occurring on the power system. | 07-10-2014 |
20140114460 | MODELING PROFILE RESPONSE FROM BUMPING MULTIPLE CONSECUTIVE PROFILING ACTUATORS - A cross-direction feedback controller, profiler system and actuator setpoint controller are provided in communication with a plurality of actuators in a machine of a web-forming process, and with a local region detector that determines an actual profile response of a product of the web-forming process in response to consecutively bumping each of the actuators. A relationship between generated profile response data and an actuator setpoint change in the generated profile response data is represent by a profile-to-actuator general interaction matrix, which is expanded into linear equations that describe impacts of bumped actuators on different profile points of generated profile response data. The linear equations are rearranged into a bump-magnitude matrix as a function of a desired response model vector. A least-square solution is found for the bump-magnitude matrix, convolved with a window function and then optimized to minimize error between an actual and a modeled profile response. | 04-24-2014 |
20140104068 | Method And Structure For Monitoring Breaker Status Contacts On Circuit Breaker Applications - A trip control circuit for a circuit breaker which provides for self-diagnostics includes a normally opened trip contact, a tripping circuit, and a signal light in series with the tripping circuit and the trip contact. The trip control circuit also includes a flasher circuit constructed and arranged to provide signaling of an abnormal condition of a circuit breaker to the signal light, while permitting the circuit breaker to trip provided that a cause of the abnormal condition signaled is not one which prevents tripping of the circuit breaker. | 04-17-2014 |
20140091625 | OPEN FUSE DETECTION SYSTEM FOR A SOLAR INVERTER - A photovoltaic power circuit is provided and includes a plurality of strings of connected photovoltaic panels operable to generate DC current from solar radiation. Each of the strings is connected to a solar inverter by a pair of fuses. A detection circuit is provided that is operable to detect when one of the fuses opens as a result of a fault, regardless whether the fault is temporary or continuing. | 04-03-2014 |
20140034286 | SELF-ALIGNING PLUG FOR POSITIONING A TEMPERATURE SENSOR WITHIN A TRANSFORMER WINDING - A plug for ease of alignment of a temperature probe or sensor inside a duct of a transformer winding is provided. The plug is shaped for secure placement into a duct or passage of a transformer winding without requiring any adhering material. The insertion of the plug into the duct or passage brings the temperature probe into contact with the desired point along the transformer winding being thermally monitored. | 02-06-2014 |
20130330467 | METHOD OF APPLYING A THIN SPRAY-ON LINER AND ROBOTIC APPLICATOR THEREFOR - A method and system for applying a liner material to a contoured surface, such as an exposed rock face in an underground hard rock mine, is disclosed. Locations of a plurality of spatially distributed surface grid points on the contoured surface may be detected so as to generate a representative topographical profile of the contoured surface. Based on the plurality of surface grid points, a spray path for a liner application device configured to emit a spray of the liner material may be determined. In some cases, the spray path may have a trajectory that follows the topographical profile of the contoured surface offset therefrom within a spray range of the liner application device. Liner material may then be sprayed onto the contoured surface while controlling the liner application device to undertake at least one pass of the spray path. | 12-12-2013 |
20130277422 | SYSTEM AND METHOD FOR REQUESTING AND DELIVERING TARGETED INFORMATION - A system and method for delivering targeted information to a user is provided. The user initiates a request for information by capturing or scanning a bar code associated with an object. The bar code is decoded and the decoded information is presented to the user. The decoded information and GPS coordinates of the user's scanning device is used to directly route the user to detailed information about the object that was scanned or the appropriate service department for servicing the object. The detailed information about the object includes but is not limited to product and system specifications, technical manuals and CAD drawings. A history of product scans is stored on the user's device and available for upload to the cloud. A portal is provided for accessing product scans and installed base information stored on the cloud. | 10-24-2013 |
20130194774 | TRANSFORMER ENCLOSURE HAVING A DROP-DOWN SILL GATE - A transformer enclosure has a hood and sill attached to a tank. The hood is retractable upon hinges connected to the top face of the tank. The sill is attached to the front face of the tank near the base and has a gate that drops down to an expanded position. When the enclosure is in a closed position, the hood and sill meet with the sill gate fully retracted along a tamperproof interface. A tamperproof interface is formed at the side of the enclosure by a flange on the side panels of the sill and a baffle on the bottom edges of the hood. A tamperproof interface is formed at the front of the enclosure by a bend and lip formed in the front panel of the hood in cooperation with a recessed portion formed in the gate. | 08-01-2013 |
20130163302 | DC-DC CONVERTER SYSTEMS - DC-DC converter systems are disclosed. DC-DC converter systems may include an input, an output, a resonant switched-capacitor DC-DC converter, and a second DC-DC converter. The resonant switched-capacitor DC-DC converter may include a first input side and a first output side. The second DC-DC converter may include a second input side and a second output side. The first input side may be connected to the input, the second input side may be connected to an input voltage, and the first and second output sides may be connected in series to the output. In some examples, the second DC-DC converter may be a buck-boost DC-DC converter. | 06-27-2013 |
20130071262 | Gas Lift Assist For Fossil Fuel Wells - When a fossil fuel well is producing fossil fuel, lift gas injected into the well to bring the naturally occurring fluids in the well to the surface along with the fossil fuel and the plunger if the well has a plunger. An instrument is programmed to use the predetermined criteria to dynamically control the rate of injection of the lift gas into the well. | 03-21-2013 |
20130030555 | METHOD FOR ANALYZING AND DIAGNOSING LARGE SCALE PROCESS AUTOMATION CONTROL SYSTEMS - A method is provided for analyzing and diagnosing a large scale process automation control system having a plurality of control loops. Assessments for pre-defined key performance indicators (KPIs) are automatically generated for control, process and signal sections of each control loop. The automatically generated assessments of the pre-defined KPIs may be displayed in a graphical user interface (GUI) of a computer. A user may change the automatically generated assessments of the pre-defined KPIs. Different data views may also be displayed in the GUI. The data views include time series trends for measured process variable, controller output, controller set point and error, as well as controller parameter clustering views in two-dimensional and three-dimensional plots. | 01-31-2013 |
20130027021 | CURRENT SENSOR - A current sensor is provided for measuring DC current in a primary conductor also carrying AC current. The current sensor includes a ferromagnetic core through which the primary conductor may extend. The core has a narrow air gap formed therein and a magnetic flux sensor is disposed in the air gap. A secondary winding is mounted to the core and has an impedance connected therein. The impedance has a value of substantially zero at one or more frequencies of the AC current. The impedance may be a short or an impedance source that includes a capacitor and an inductor. | 01-31-2013 |
20120257430 | BOOTSTRAP GATE DRIVE FOR FULL BRIDGE NEUTRAL POINT CLAMPED INVERTER - In a neutral-point-clamped power inverter, gate drive circuit comprises four drive blocks providing bipolar DC signals to control switch gates. The first and third drive blocks are bootstrapped to the second and fourth. Inverter's neutral bus is commonly connected to the positive and negative DC buses through clamping capacitors. An arm of four serially-stacked-switches bridges DC buses. The switch arm midpoint is an output of the inverter. A first clamping diode connects the neutral bus to the first switch emitter; a second clamping diode connects the neutral bus to the third switch emitter. In one embodiment, a second switch arm mirrors the first, providing a second output; a second gate drive circuit mirrors the first. A bias circuit provides two reference voltages for the gate drive circuits. Three isolated DC sources provide signals that, when used by the gate drive circuit, result in seven isolated bipolar DC signals. | 10-11-2012 |
20120253496 | AUTOMATED ADJUSTMENT FOR PRODUCING ROLLS OF MATERIAL IN AN INDUSTRIAL PROCESS - Systems and other embodiments for altering a primary roll are described. A system can comprise a calculation component configured to proactively find a caliper for material of a primary roll based, at least in part, on a desired caliper for a material of a secondary roll. The secondary roll can be produced from the primary roll. The system can also comprise a controller configured to proactively cause the material of the primary roll to implement with the caliper in response to finding the caliper for the material of the primary roll. | 10-04-2012 |
20120218067 | ARC-RESISTANT DRY TYPE TRANSFORMER ENCLOSURE HAVING ARC CHANNELS - Arc resistant enclosures for dry-type transformers. More particularly, transformer enclosures having one or more arc-resistant features, including arc channels, arc fault dampers, and arc fault plenums, and methods for providing same. | 08-30-2012 |
20120217053 | ARC-RESISTANT DRY TYPE TRANSFORMER ENCLOSURE HAVING ARC FAULT DAMPER APPARATUS - Arc resistant enclosures for dry-type transformers. More particularly, transformer enclosures having one or more arc-resistant features, including arc channels, arc fault dampers, and arc fault plenums, and methods for providing same. | 08-30-2012 |
20120216393 | METHOD OF PROVIDING ARC-RESISTANT DRY TYPE TRANSFORMER ENCLOSURE - Arc resistant enclosures for dry-type transformers. More particularly, transformer enclosures having one or more arc-resistant features, including arc channels, arc fault dampers, and arc fault plenums, and methods for providing same. | 08-30-2012 |
20120199450 | REMOTELY-OPERATED SWITCHGEAR RACKING DEVICE AND A MOUNTING METHOD FOR THE SAME - A motor box is used to rack withdrawable devices into or out of the associated cell in a switchgear cabinet. A hand held control is used to operate the motor box from a remote location. The motor box is attached to a mounting assembly on the switchgear cabinet door. The assembly can be part of the door or separately attached to the door. The mounting assembly allows for easy alignment of the motor box to the door and prevents rotation of the motor box when the box is latched to the mounting assembly. A cart is used to transport the motor box, remote control and associated peripherals to and from the switchgear cabinet. | 08-09-2012 |
20120175432 | Paint shuttle system - A paint delivery system ( | 07-12-2012 |
20120089239 | INTELLIGENT INTERFACE FOR A DISTRIBUTED CONTROL SYSTEM - An intelligent interface system is provided for connecting an external application to a distributed control system (DCS). The interface system is operable to automatically scan the DCS to determine its configuration and build a topology model of the DCS. The topology model is used to determine whether data requested from a module in the DCS can be provided by the module. The topology model is constructed to be thread-safe. A throttling mechanism in the interface system protects the DCS from being subjected to excessive data requests. | 04-12-2012 |
20120010825 | GAS CHROMATOGRAPH WITH DIGITAL PROCESSING OF A THERMOCONDUCTIVITY DETECTOR SIGNAL - A gas chromatograph operable to analyze a sample gas comprising a carrier gas and components. The gas chromatograph includes a bridge circuit with a sample sensor connected therein. A servo amplifier is connected to the bridge circuit and is operable to maintain the sample sensor at a constant temperature. An output of the servo amplifier is digitized and is used to quantify the components in the sample gas. | 01-12-2012 |
20120006363 | COMPACT AND MODULAR ROBOTIC WASH SYSTEM - A compact robotic wash system is provided for cleaning a work piece. The robotic wash system includes an enclosed wash chamber. A robot is fully disposed inside the wash chamber. The robot has a maximum horizontal reach that is at least 40% of the maximum horizontal linear dimension of the wash chamber. The robot may hold a work piece and move the work piece around a plurality of spray devices. Alternately, the robot may hold one or more spray devices, while a work piece is supported on a movable table. | 01-12-2012 |
20110299312 | INVERTER FOR SOLAR CELL ARRAY - A full-bridge, NPC inverter uses pulse width modulation (PWM) to convert the DC voltage from a solar panel array to an AC voltage at the output of the inverter that is acceptable for connection to a utility. The PWM control unit has a predetermined carrier frequency. The carrier unit uses for each carrier period either positive or negative values of a reference voltage to generate a predetermined number of signals to control the switching on and off of each of the eight inverter switching elements in a predetermined pattern for a predetermined period of the carrier frequency period to thereby produce the acceptable alternating current voltage at the inverter output and not produce between the inverter input and earth ground a carrier frequency component. | 12-08-2011 |
20110298470 | DETECTION OF WELDED SWITCH CONTACTS IN A LINE CONVERTER SYSTEM - A system for the detection of welded contacts in a circuit of a line converter system has a plurality of inverter switches, a plurality of utility switches in which a pair of utility switches is connected in series through a line to a utility, a voltage detector, an electronic controller, and a DC input source. The line converter system converts incoming DC power into AC output power that is delivered to the utility grid. The voltage detector measures the voltage across a first node and a second node of the circuit and provides an output that is interpreted by an electronic controller for each step performed during a method of detection of welded contacts. The detection method has a sequence of test steps in which at least one switch is opened and/or closed, a DC bus of the inverter or the utility grid is used as a stimulus voltage, and the voltage is measured. If a voltage is not detected across the first and second nodes, the test sequence is continued until a welded contact is detected or the electronic controller determines that none of the contacts are welded. If the controller determines that none of the contacts are welded, the line converter system is permitted to connect and supply AC power to the utility. | 12-08-2011 |
20110209320 | Vision Guided Robotic Grommet Installation - A system and method installs grommets into vehicle grommet holes using vision a six axis robot with a grommet tool and a vision system. The robot arm moves to the general area of a grommet hole and then the vision system determines the exact hole location. Thereafter, the robot moves the grommet tool to the hole to install the grommet. Installation is then confirmed by the vision system. | 09-01-2011 |
20110194317 | STACKED FLYBACK CONVERTER WITH INDEPENDENT CURRENT LOOP CONTROL - A voltage converter includes a transformer with a pair of primary coils and a secondary coil. The converter has a DC input and a capacitor bank, having a pair of capacitors, is connected across the DC input. A switch is associated with each primary coil. A gate drive feedback module outputs a pulse width modulated signal to drive either the first or second primary coil. A gate drive switch has as an input the pulse width modulated signal and outputs to the first second switch. A pulse steering logic module determines which of the first or second capacitors has a higher voltage and controls the gate drive switch to direct the pulse width modulated signal in response thereto. | 08-11-2011 |
20110181044 | METHOD AND APPARATUS FOR IMPROVING POWER GENERATION IN A THERMAL POWER PLANT - A method and apparatus for improving power generation in a thermal power plant. A dynamic reactive compensation system is provided and is connected to a high voltage bus or a generator bus of the power plant. The dynamic reactive compensation system comprises power electronic devices and is operable to provide most of the reactive power that is required from the power plant. | 07-28-2011 |
20110072643 | Transformer Core Assembly Apparatus - The system and method make transformer core assemblies from core segments output from a segment forming machine. The system includes a rack assembly and a transfer mechanism for moving the segments from the segment forming machine to the rack assembly. A work table is positioned adjacent to the rack assembly. The rack assembly is rotatable and holds a pair of racks, wherein one rack receives segments and the other may be lowered at the same time to perform finishing steps. The system further increases efficiency by including a second segment forming machine, transfer mechanism, and rack assembly. | 03-31-2011 |
20110048669 | ELECTROMAGNETIC STIRRER ARRANGEMENT WITH CONTINUOUS CASTING OF STEEL BILLETS AND BLOOM - An electromagnetic stirrer arrangement includes a housing having a bottom opening and a top opening. An electromagnetic stirrer is positioned inside the housing. A modular mold assembly includes a mold, a water jacket, a top plate, a bottom plate and a plurality of rods connecting the top and bottom plates. The mold has an open top and an open bottom. The top plate is positioned proximate to the open top of the mold and the bottom plate is positioned proximate to the open bottom of the mold. The connecting rods extend between and securing together the top and bottom plate. The modular mold assembly can easily be replaced by inserting it into or removing from the housing. | 03-03-2011 |
20110024130 | PLUNGER LIFT WITH CHEMICAL INJECTION - A method and system operates a well having an outer casing, a tubing positioned inside the outer casing, and a plunger moveable within the tubing to periodically draw out a liquid slug. A chemical to slug size ratio is set by the operator. Thereafter, the gas flow rate is monitored and the well is shut-in when the gas flow rate drops below a predetermined threshold. After well shut-in, a calculated amount of chemical foaming agent is injected. The size of the liquid slug is calculated and then the well is opened, drawing the plunger and liquid slug up to the surface. The calculated amount of chemical foaming agent is calculated based on one or more previous liquid slug size determinations and the set chemical to slug size ratio. | 02-03-2011 |
20100237853 | CURRENT MEASURING DEVICE - A current sensor is provided for non-invasively measuring electrical current in an electrical conductor. The current sensor includes a housing having a Hall effect device and circuitry for transmitting a signal indicative of the current flowing through the electrical conductor. The current sensor includes a base having a surface for supporting an electrical conductor. A magnetic shielding member is coupled to the surface to shield the Hall effect device from stray or external magnetic fields. A compliant member is coupled to the magnetic shielding member opposite the surface. The compliant member compresses to allow the current sensor to accommodate a large variety of electrical conductor sizes. The compliant member further acts to bias the electrical conductor against the Hall effect device. | 09-23-2010 |
20100211204 | METHOD AND SYSTEM FOR ROBOTIC ASSEMBLY PARAMETER OPTIMIZATION - A method and system to optimize the parameters of a robot used in an assembly process. The assembly process is categorized based on its nature which may be cylindrical, radial and multi-stage insertion. The search pattern and search parameters are specified. The parameters are optimized and the optimized parameter set are verified and when a predetermined criteria such as assembly cycle time set and/or success rate is met the optimization process stops. When the optimization stops the verified parameters are used to cause the robot to perform the categorized assembly process. If the parameters do not meet the predetermined criteria, another round of optimization using the same or other parameters can be performed. | 08-19-2010 |
20090206182 | Rotary Atomizer with an Improved Valve - A valve assembly for controlling a flow of a coating to a spray head is provided. The valve assembly has a movable needle for closing an opening in a valve seat. The needle has a non-stick outer coating and extends through a needle seal having first and second ends. The first end of the needle seal is disposed inside a seal holder and abuts an interior surface of the seal holder. A spring applies a force to the second end of the needle seal, thereby pressing the first end of the needle seal against the interior surface of the seal holder. | 08-20-2009 |
20090188306 | REID VAPOR PRESSURE ANALYZER WITH AN AIR SATURATOR - The present invention is directed to an analyzer for measuring the vapor pressure of a hydrocarbon liquid. The analyzer includes a pressure measuring system connected to an air saturation system having a circulation chamber with opposing first and second ends. A first opening is disposed toward the first end and a second opening is disposed toward the second end. A plumbing system connects the first and second openings. A pump moves the hydrocarbon liquid through the plumbing system from the first opening to the second opening so as to saturate the hydrocarbon liquid with air. The air saturation system has a cooler for cooling the hydrocarbon liquid and the pressure measuring system has a heater for heating the hydrocarbon liquid. The pump may be a piston actuated pump or a motor-driven pump and the plumbing system may include an aeration chamber. | 07-30-2009 |
20090134994 | METHOD OF DISPLAYING THE STATUS OF AN ASSET USING AN EXTERNAL STATUS ASSET MONITOR - The present invention is directed to a system and method of monitoring assets of an enterprise using a stand-alone software system and a process automation software system. The stand-alone software system is operable to generate a web page about a condition of the asset and to transmit data items for the condition in a single data string. The data items include a status of the condition and a URL of the web page. The process automation software system includes a human system interface (HSI) and a generic asset monitor having a changeable condition table. The generic asset monitor may be modified to create a custom asset monitor specific to the asset. The custom asset monitor is operable to monitor the status of the condition and the HSI is operable to display the data items and the web page from the stand-alone software system. | 05-28-2009 |
20090040691 | Panelboard - A panelboard mounts and electrically connects to a plurality of circuit breakers. The panelboard includes a central body portion having a top surface. At least one bus bar is positioned within the central body portion. A pair of opposed legs extend the longitudinal length of the central body portion. A plurality of wells extend downwardly from the top surface and have prongs at the bottom of each well. The prongs are electrically connected to the bus bar. | 02-12-2009 |
20090028686 | ROBOTIC PALLETIZING SYSTEM - A robotic palletizing system is provided for receiving objects from a conveyor and loading the objects on a pallet using a robot having an articulated arm assembly. A lift station is located below the robot and includes a lift assembly that is operable to raise an object in a lift area of the lift station to a pick position from which the robot can grasp the object. When the lift is raising an object, a barrier is raised to prevent any other objects from moving into the lift area. A sensor is operable to detect objects moving into the lift area and a sensor bank is operable to detect the presence and size of any objects in the lift area. | 01-29-2009 |
20080294771 | ASSET MONITOR FOR FIELDBUS DEVICES - A software product and method of monitoring a field device in an enterprise having an industrial process. A subscription to the OPC DA server for diagnostic data from the field device is made and a subscription to an OPC AE server for event notifications from the OPC AE server is made. The subscription to the OPC AE server is activated, but the subscription to the OPC DA server is not activated. When an event notification is received from the OPC AE server, the subscription to the OPC DA server is activated. Diagnostic data from the field device is received and device health information from the diagnostic data is generated. The device health information is displayed on a viewing monitor. The subscription to the OPC DA server is then deactivated. | 11-27-2008 |