US20150088285A1 - Configurable welding interface for automated welding applications - Google Patents
Configurable welding interface for automated welding applications Download PDFInfo
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- US20150088285A1 US20150088285A1 US14/499,970 US201414499970A US2015088285A1 US 20150088285 A1 US20150088285 A1 US 20150088285A1 US 201414499970 A US201414499970 A US 201414499970A US 2015088285 A1 US2015088285 A1 US 2015088285A1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/406—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
- G06F3/04842—Selection of displayed objects or displayed text elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/095—Monitoring or automatic control of welding parameters
- B23K9/0953—Monitoring or automatic control of welding parameters using computing means
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B15/00—Systems controlled by a computer
- G05B15/02—Systems controlled by a computer electric
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H04L67/42—
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/34—Director, elements to supervisory
- G05B2219/34038—Web, http, ftp, internet, intranet server
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/35—Nc in input of data, input till input file format
- G05B2219/35289—Display machining state and corresponding control program
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/36—Nc in input of data, input key till input tape
- G05B2219/36283—Select, enter machining, cutting conditions, material file, tool file
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/45—Nc applications
- G05B2219/45135—Welding
Definitions
- the present invention therefore provides a significant advantage over the prior art by providing a highly flexible display system.
- specific functions can be customized, and various levels of control can be provided.
- customized displays could be provided for operators at varying training levels.
- the controls could be limited to a weld program selection and a start/stop control, and all other controls could be disallowed.
- the display could provide access to control a voltage and wire feed command level, and provide monitoring functions including actual voltage and wire feed speeds.
Abstract
A welding power source including an embedded web server provides access to an operator at a remote web browser. From the remote web browser, the user is provided access to weld functions, and can selectively choose between weld functions that can be displayed and controlled from the remote web browser. The weld functions that can be accessed include control functions, which allow an operator to activate welding functions such as a jog or purge function; a command function, which allows an operator to provide a command level for a voltage, wire feed speed, or other parameter; and a display function, which provides access for an operator to display welding command and actual feedback values. The operator can also selectively view diagnostic data, including weld state data, error data, and operational voltage and current levels within the power source, such as motor voltage and input voltage levels. After an operator selects parameters to be displayed or controlled from the browser, the selected functions can be stored and recalled as a web page.
Description
- The present invention is directed to a method and apparatus for configuring welding operations.
- As the level of automation has increased in mass production facilities, and the speed of welding operations has increased, it has become increasingly important for management personnel to monitor and control welding parameters, processes, and weld cell set-up parameters in a facility. Proper monitoring and control helps to ensure consistent and proper joining of materials, to ensure that completed welds fall within predetermined quality parameters, and to ensure that material waste and operational downtime is avoided.
- The need for improved monitoring, moreover, has increased in recent years as welding personnel on the factory floor are frequently inexperienced in welding operations. Often, operators are minimally trained, and cannot properly choose weld parameters, or identify and correct for problems encountered during welding processes and weld set-up. Therefore, it is also important for management personnel to monitor weld and operator performance, and to quickly identify problem operators and areas.
- As a result, there are differing levels of monitoring requirements in most facilities. Operators are typically interested only in monitoring very basic command and readout parameters, and in having access to very basic controls. Supervisory personnel, however, need to access large numbers of control parameters, feedback parameters, and weld set-up parameters to properly monitor, control, and troubleshoot welding problems. Moreover, it is important for supervisory personnel to be able to choose the types of data monitored, in order to evaluate and focus in on parameters that might be outside of an appropriate range, or that might provide a basis for analyzing problems in a weld. Monitoring selected controls and parameters simplifies the process for management personnel to analyze the welding process, identify problems, and make corrections before significant down time or waste of material occurs.
- Additionally, when problems are encountered with equipment in a weld cell, or with consumables in the cell, it is important for management personnel to identify these failures and to make correction and replacements easily. In an automated environment, it is particularly important to be able to replace a piece of equipment from a cell with an alternative component providing the same feature, and to troubleshoot the removed piece of equipment offline. In these situations, it is important to minimize the amount of time required to set up the system for the alternative component, and to provide a “plug and play” solution to limit downtime. The present invention addresses these issues.
- In one aspect of the invention, a welding power source is provided. The power source includes a power supply, a controller coupled to the power supply to provide weld parameter control signals to the power supply, and an embedded web server in communication with the controller and a remote client browser. The web server is programmed to allow a user accessing the remote client browser to select between a plurality of functions for displaying and controlling weld parameters of the welding power supply, to provide a customized operator interface at the remote client browser for monitoring and controlling the power supply. The user, therefore, can selectively control and display weld parameters at the remote client browser.
- In another aspect of the invention, a method for providing a customizable remote interface for a welding power source and associated wire feed system having an embedded web server is provided. In this method, an embedded web server is communicatively coupled to a controller of the welding power source. The server is programmed to provide selective access to weld functions that provide at least one of a display, a control, and a command function of the welding system from a remote browser. Access to the embedded server is provided from the remote web browser, wherein an operator at the remote web browser can selectively choose among the weld functions to customize an interface to display, control and command weld functions from the remote browser. The customized remote interface can then be stored for recall.
- These and other aspects of the invention will become apparent from the following description. In the description, reference is made to the accompanying drawings which form a part hereof, and in which there is shown a preferred embodiment of the invention. Such embodiment does not necessarily represent the full scope of the invention and reference is made therefore, to the claims herein for interpreting the scope of the invention.
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FIG. 1 is a block diagram of a welding system capable of use in the present invention; -
FIG. 2 is a simplified block diagram of the embedded web server in the welding system ofFIG. 1 , illustrating data storage and flow between an embedded web browser and a remote web browser; -
FIG. 3 is screen shot illustrating a web interface login screen for accessing the welding system ofFIG. 1 from a remote browser; -
FIG. 4 is a screen shot illustrating a top level menu for accessing a remote operator interface and remote operator interface configuration, along with other functions, for use in the welding system ofFIG. 1 ; -
FIG. 5 is a screen shot illustrating a first screen for selecting a remote operator interface; -
FIG. 6 is a screen shot illustrating a remote panel view as seen from a remote web browser; -
FIG. 7 is a screen shot illustrating a first selection screen for establishing a customized remote interface; -
FIG. 8 is a screen shot illustrating the steps for establishing a custom interface; -
FIG. 9 is a second screen shot illustrating the steps for establishing a custom interface; -
FIG. 10 is a screen shot illustrating the customization process just prior to completion; and -
FIG. 11 is a screen shot illustrating a customized interface after completion. - Referring now to the Figures and more particularly to
FIG. 1 , anexemplary welding system 10 for automatic and semi-automatic welding is shown. Thewelding system 10 includes ahousing 11 containing a power supply 12, acontroller 16, and acommunications system 30 for communicating with external components. These external components can be, for example, the components of a welding cell, including flexible or hard automation components, such as awelding robot 21, a programmable logic controller (PLC) 27, andfixtures 29. Alternatively, or additionally, the external components can include one or more computer orcomputer network 31, provided in a factory automation system. Thecommunications system 30 can be connected to a series of networkedwelding systems 10, either directly or through one ormore computer 31. Bi-directional communications between thewelding system 10 and external devices are preferably provided through an embeddedweb server 33 incommunications system 30. - Referring now also to
FIG. 2 , a simplified block diagram of data storage and communication between the embeddedweb server 33 and remoteclient web browsers 37 provided on external devices such as those described above is shown. The screens associated withweb server 33 are implemented through a combination ofstatic files 43 stored in memory on theweld system 10, and dynamically generatedfiles 41 created byweb server extensions 45 running on theweb server 33. Thestatic files 43 include HTML web pages, cascading style sheet documents, image files and JavaScript source code documents. These files provide non-dynamic content for the web interface and a framework for dynamic content. Dynamic, variable data is provided viaserver extensions 45 executed on the embedded microprocessor in the welder, and is stored in the dynamically generatedfiles 41. This data can include, for example, a weld parameter library of variable data related to the control and performance ofweld system 10. The variable data in the weld parameter library can include both input commands and output data, such as, for example, weld command parameters for controlling the power supply 12 andwire feed system 20; digital control commands for activating and deactivating weld system components; digital feedback or state data indicating the state of weld system components; and weld parameter feedback data, indicating the operational state of weld parameters. An exemplary table illustrating the type of variable data that can be stored in a weld parameter library is provided in Table 1 below: -
TABLE 1 Weld Command Parameters/Command Functions Volts Wire Feed Speed Frequency Pulse width Rise time Fall time Torch Travel Speed Torch Angle Weld Component Control Commands/Control Functions Gas Wire Feed Forward Wire Feed Reverse Contactor Program select Weld Component State Parameters/Diagnostic Parameters Gas On Wire Feed Forward Wire Feed Reverse Wire Stick Detect Touch sense Detect Volt Sense Detect Current Detect Contactor On Coolant On Weld Feedback Parameters/Display Parameters Voltage Feedback Current Feedback Wire Feed Speed Gas Pressure Coolant Pressure Torch Travel Speed Torch Angle - Variable data, such as the data stored in the weld parameter library, can be combined with the
static data 43, which can include pre-configured HTML pages, via JavaScript executed on theremote web browser 37. Alternatively, the variable data can be accessed from a remoteclient web browser 37 at a web-enabledremote robot 21, PLC 27, networkedwelder 10,computer 31 or other device. The variable data provided in the weld parameters library can then be retrieved through an HTML script or other program running at the web-enabledremote device 37, and, as established by the HTML script, selective weld feedback and weld component state parameters can be viewed remotely. Additionally, the HTML script can selectively provide control of the weld control command parameters and weld component controls from theremote device 37. - High speed data exchange, as for, example, for communications with
remote devices 37, is carried out through Javascript XHTTP requests, and the appropriate server extensions respond to the requests by returning requested data in JSON or XML format. Requests to theserver 33 and all response from theserver 33 are given an ordering number so that under high data loss conditions on the most recent data is used. - As discussed above, data can be retrieved from
welding system 10 either by viewing web pages with variable data from the server extensions included or by downloading generated log or configuration files directly. Data is transmitted to thewelding system 10 either via HTTP queries or by uploading files. Although aweb server 33 is described here, in addition to or as an alternative to aweb server 33, thecommunications system 30 can include a serial communications link such as DeviceNet, Profibus, RS-232 or other communications systems, or through a network communications device such as an Ethernet connection, or other wired or wireless communication devices. - Referring again to
FIG. 1 , thecontroller 16 can include one or more microcontroller, microprocessor, digital signal processor, or other programmable controller, along with an internal orexternal memory component 18, capable of storing weld configuration data, welding programs and procedures specified by the user. Thecontroller 16 may also be connected to auser interface 32, which can be mounted in thehousing 11, or provided external to thehousing 11 andwelding system 10, and can include a user display and input devices, such as keys, switches, joysticks, analog or digital potentiometers, or other devices to provide information to and receive information from an operator or user of thewelding system 10. - Referring still to
FIG. 1 , thewelding system 10 can also include an input/output board (I/O board) 17, which provides connection points for external equipment to both provide input signals to thewelding system 10 and to receive discrete outputs from thewelding system 10. The inputs and outputs can include, among other indicators, welding process state conditions and error conditions. Common welding process state condition signals input and output through the I/O board 17 can include, for example, contactor on (weld on), gas valve on (purge), wire feed motor foreword (jog), wire feed motor reverse (retract), weld program selection, and touch sense detect. Common error conditions can include, for example, voltage sense error, arc start error, wire stick errors, motor over current errors, coolant flow errors, or gas flow errors. Analog input and output signals, including voltage command and feedback, wire feed command and feedback, and current feedback can also be provided on the I/O board 17. Welding state data, error data, feedback and command data can also be transmitted to and from thewelding system 10 throughcommunications system 30 discussed above, and by access to a weld parameter library as described above. - Referring still to
FIG. 1 , thewelding system 10 is connected to an inputpower supply line 15, typically a three phase supply, which provides power both for the control circuitry and for the power supply 12. Voltage and current sensors (not shown) can be provided on the input power supply line to allow the power to power supply to be monitored, typically bycontroller 16. The welding power supply 12 is preferably an inverter power system, and can be a constant voltage power supply or a constant voltage/constant current power supply, and preferably includes pulsing capabilities, providing the ability to perform MIG(GMAW) welding, pulsed MIG (GMAW P) and flux-cored (FCAW) welding. - Referring still to
FIG. 1 , thecontroller 16 ofwelding system 10 is further connected to external welding components including awire feed system 20, agas valve 23, and, optionally, acoolant system 25. Thewire feed system 20 includes amotor 19 that drives wire through drive rolls and a liner to a torch orgun 13 including a contact tip. Thegas valve 23 can be either an on/off valve, a metered valve controlled bycontroller 16, or can include a separate or integral flow meter. Similarly, when a coolant system is provided, the system can include an on/off or metered valve, and flow metering devices. - Optionally, the
welding system 10 can also be connected to external input and output signals provided, for example, by components in a welding cell. Thefixtures 29, for example, can include devices such as clamps for maintaining awork piece 14 in position during a weld, and preferably also include sensing devices, such as devices for providing a signal to thecontroller 16 when associated clamps either open or close, and proximity sensors for sensing a position of thework piece 14 in thefixture 29 or a position of a welding torch approaching thework piece 14. Additionally, a series of light emitting diodes, laser diodes, or other lighting elements can be provided in the fixture either to illuminate an area to be welded for the operator, or to provide an indicator to the operator. The indicator can, for example, indicate which in a series of welds is to be performed, providing a sequence for the operator. Lighting and other visual aids can also be used to indicate when a welded part is complete. Audio-producing devices, such as buzzers and horns, can also be associated with the fixture to provide a signal to an operator or supervisor when a weld is complete, when an error has occurred, or in various other situations. These devices can be connected directly through thecommunications system 30, or through an external device such as thePLC 27,robot 21, a remote computer system, or other controller. - The
welding system 10 can be used in various modes of operation, including both semi-automatic and automatic welding. Weld command parameters can be stored as pre-programmed weld procedures inmemory 18 or provided to theweld system 10 throughcommunications system 30, or selected through inputs to the I/O board 17. External devices, such as a handheld gun or torch or other device with a trigger switch, a robot controller associated withrobot 21,PLC 27, or a remote system and display such as a externally connected PC, can provide a signal to the controller of thewelding system 10 to start the weld. The weld parameter commands can be retrieved frommemory 18, or be provided from therobot 21,PLC 27, or other external device throughcommunications system 30. - In operation, the
controller 16 receives a trigger signal as described above and commands the power supply 12 to provide welding current and voltage to start an arc at thework piece 14. Command levels for controlling the weld can be set and stored internally inmemory 18, or can be received from the external components, such asrobot 21 andPLC 27, or other controllers or computers as discussed above, either in the form of analog or digital control signals. Based on the input commands, thecontroller 16 also commands thewire feed system 20 to drive filler metal from themotor 19 to a contact tip intorch 13, providing wire to the weld at thework piece 14. Thecontroller 16 also controls thegas valve 23 to selectively provide shielding gas to the weld. Depending on the type of gas valve used, thecontroller 16 can provide a simple on/off signal, or control the level of flow from thevalve 23. - During operation, the
controller 16 receives feedback from a voltage sensor 26, a current sensor 28, and a wire feed speed sensor ortachometer 24, and can also optionally monitor gas flow through a gas flow sensor associated with thegas valve 23, and coolant flow incoolant system 25. The feedback data is used by thecontroller 16 to control the power supply 12,wire feed system 20, andgas valve 23. Additional feedback data can also be provided from external components. This data can include, for example, travel speed of the torch, proximity sensor input data, clamp closure data, and other data. Thecontroller 16 can also monitor input voltage and current levels from input power lines, and provide feedback data relate to these values, as well as average motor voltage and current values. - Referring again to
FIG. 2 and now toFIG. 3 , as described above, thewelding system 10 can include a remote operatorinterface server extension 45 which allows weld parameter controls and commands for weldingsystem 10 to be provided from aweb browser 37 at a web-enabled remote device such as arobot 21,PLC 27, a network ofwelding systems 10, or remote computer system orserver 31, and enables both control and monitoring function from a remote location. This remote operator interface, moreover, can be customized to provide access to the control, command, diagnostic, and display data selected by a user, and therefore to customize the display either for a specific function, or for a specific user. - To access the remote control interface from a remote device, the user activates the
web browser 37 at the remote interface and accesses a webinterface login screen 40, constructed using data from thestatic files 43 and dynamically generated source files 41 described with reference toFIG. 2 , above, from the embeddedweb server 33. Theinterface login screen 40 prompts the user to select a user profile from a drop downmenu 42. As shown here, the access levels include an operator access level, weld engineer access level, and a weld supervisor access level. - After the user profile is selected through the drop down
box 42, the user activatesicon 44 to log in to the system, and is prompted to provide identification (not shown). The identification can be a user name and password, or an electronic or mechanical key, such as an RFID token, or biometric authentication. For purposes of this description, the user is assumed to have chosen the “weld engineer” user profile and to have logged into the system. When logged in as either an operator or weld supervisor, however, the user would be provided with fewer or different options for configuring the system than as described below. - Referring now to
FIG. 4 , after the password or other identification is accepted, the user accesses amain interface menu 50. From themain interface menu 50, the user can select between a number of different links, including a remote operatorinterface control link 52, a monitoring link, a configuration link, a maintenance and update link, and a diagnostic link. - Referring now to
FIG. 5 , when the remote operator interface control link 52 is selected, adisplay screen 53 is provided allowing the user to select between apanel view 54 and acustom control interface 55. Referring now toFIG. 6 , thepanel view 54 provides a virtual panel display which is configured in the same manner as a display provided, for example, on auser interface 32 associated with thewelding system 10. Here, fairly simple control and display options are provided. The user can select a weld program, select a process, wire type, and gas type, and can view and adjust voltage, arc adjust, wire speed, and amps. - Referring again to
FIG. 5 , when the user instead selects the customcontrol interface link 55, the user is provided with the option to customize a weld interface that can be operated from aweb browser 37 and that provides access to a selected number and type of functions. By way of example here, the functions available for configuration on the remote display are categorized as display, control, diagnostic, and command functions. The “display functions” allow the user to monitor and display current welding conditions by displaying welding parameter values such as, for example, an actual voltage, current, and wire feed speed during a weld, as well as a selected weld process or weld program. The user can also opt to display the command values provided to thewelding system 10, including a voltage/trim command, a wire feed speed command, and an arc adjustment or inductance command. “Command functions” allow a user to establish a command value from a welding process from a range of available values for controlling the power supply 12 andwire feed system 20 of thewelding system 10 from the remote interface, and again, specifically allow adjustment of a voltage/trim command, a wire speed command, and an arc adjustment or inductance command. The “command functions” can also allow for selection of a weld program or a weld process from the interface from among a number of available options. The “control functions” provide on/off controls at thewelding system 10 from the remote interface and can include, for example, a trigger or start/stop weld function, and purge, jog, and retract controls, which selectively activate thegas valve 23 andmotor 19 in a forward or reverse direction. - “Diagnostic functions” allow the user to monitor parameters that can be indicative of weld or welding equipment malfunction as, for example, a current and voltage produced by the
motor 19, and the level of the input power line connected to thewelding system 10. Diagnostic data displayed at the remote interface can also include error data, such as a voltage sense error, an arc start error, wire stick errors, motor over current errors, coolant flow errors, or gas flow errors, and weld state data, such as contactor, jog, retract, remote program selection, standby and E-stop states. These errors are determined by thecontroller 16 in a manner known to those in the art. - Although specific functions are shown and described here, it will be apparent that these functions are by way of example only, and that a user-configured interface could include any number of display, control, command, diagnostic, and other functions. For example, from a remote interface, a user could also adjust timed parameters, such as pre-flow, post-flow, arc start delay, and burn back. Additionally, functions useful in setting up replacement equipment in a cell, such as a “robot type” and a “dry run” selection could also be configured on a remote user interface to enable activation of these functions. “Other” functions, such as an option of enabling a camera to visually monitor a weld in progress, can also be provided.
- Referring now to
FIG. 7 , from the custom control interface screen 56, the user initially selects a number of functions to be displayed on the customized interface by activating up/downoperational controls icon 64. By way of example here, twenty-five functions are available. However, it will be apparent that any number of functions could be provided, and that the number of functions can be varied based on the size of the display at the remote interface, the access level of the user, and many other variables. The access level, for example, can be used to increase or decrease the number of functions available to a user. Thus, for example, an operator might be provided with six available options, a supervisor with fifteen, and a weld engineer with twenty-five. - When the
save icon 64 is selected from screen 56, aninterface configuration screen 68 is displayed, as shown inFIG. 8 . Here, aninterface box screen 68 for each of the 6 functions selected above, and the user is presented with a drop down menu allowing the user to select between the different categories of functions described above. Specifically the user is prompted to associate each interface box on the remote screen with a selecteddisplay 70,control 76, diagnostic 74, orcommand 72 function category. An “other” category, 72, or other functions, such as timing and set-up functions, can also be provided as described above. The functionality of the interface box will vary depending on the selected category. Thus, for example, a command function will provide both a data display and a user interface that will allow a user to input a selected command value, while a display interface box provides only the ability to display a value, and a control interface only an an/off activation user interface control. - Referring now to
FIG. 9 , after a category is selected for an interface box, the user is presented with another drop down menu, allowing the user to identify a specific function for the interface box within the selected function category. As shown here, in thedisplay category 70, the user can elect to display an actual voltage, an actual current, an actual wire speed, an actual weld program or a weld process in the selected box. The user can also elect to monitor a command value, such as a voltage/trim command, wire feed command, and arc adjust/inductance command. In thecommand category 72, the user is prompted to select between voltage/trim, wire speed, arc adjust, inductance, or a weld process or weld program, as described above, and can adjust the selected values from the remote interface. Here, user inputs would be associated with the interface box to allow a user to adjust a value, or select between a list of functions. As described above, these inputs could be hardware inputs associated with an existing keyboard or keys, joysticks, etc., or provided as touch screen or mouse-driven icons. Various methods of providing inputs will be apparent to those of skill in the art. In alternate embodiments of the invention, the user could also select an input device to associate with selected input boxes from, for example, a menu. - Referring now to
FIG. 10 when thediagnostic category 74 is selected, the user can select to display a motor voltage or a motor current, and to monitor a line power in the facility in which thewelding system 10 is operating. The motor parameters can be monitored, for example, to identify and diagnose problems in the wire feed system. Input line power, similarly, can be monitored to determine both the input level of the power, and fluctuations that might cause problems in the output of the power system 12. As described above, thediagnostic category 76 can also allow a user to display welding state data (contractor, jog, restart, pause) and error data (wire stick, arc start error, etc.) - Referring still to
FIG. 10 , in thecontrol category 76, the user can select a jog, wire retract, purge control, and a program start/stop control. As each of these functions require a user to provide an input, for thecontrol category 76 the interface boxes are associated with an input device which can be, for example, an icon on a touch screen, a key dedicated from a keyboard, a mouse activated icon, or various other input devices, as will be apparent to those of skill in the art. - After each of the selected boxes is associated with a specific function, the user selectively activates the
build icon 83. When thebuild icon 83 is activated, the screen configuration data is saved in a JavaScript which can be stored either as a URL for the page, in a cookie stored on theclient browser 37, or in a database stored inmemory 18 associated with theweb browser 33 in thewelding system 10. Alternatively, if additional functions are desired, the user can select the change number icon 85 to add additional functions to the display. - Referring now to
FIG. 11 , after the “build” function is completed, the selected command, diagnostic, control and other functions are all provided on thescreen 86. In the example shown here, the user can view the actual voltage and current program, monitor the current program and error status, and select a program. - The present invention therefore provides a significant advantage over the prior art by providing a highly flexible display system. By selecting the types of data to be displayed on the screen and the available controls, specific functions can be customized, and various levels of control can be provided. Thus, for example, customized displays could be provided for operators at varying training levels. For an inexperienced operator, for example, the controls could be limited to a weld program selection and a start/stop control, and all other controls could be disallowed. For a more sophisticated operator or a supervisor, the display could provide access to control a voltage and wire feed command level, and provide monitoring functions including actual voltage and wire feed speeds.
- A remote display screen could also be customized to allow a supervisor or other personnel to monitor a weld from a remote location. Here, for example, display parameters such as voltage and wire feed speed feedback could be monitored, in conjunction with error data. Additionally, to troubleshoot problems with the welding equipment, a user could establish customized screens providing specific sets of display and control functions. Thus, for example, to troubleshoot a wire feed problem, a user could elect to control a jog and a retract function, to monitor wire feed speed command, actual wire feed speed feedback, motor voltage and current, and monitor a wire feed relay.
- Additionally, screens could be customized to simplify equipment replacement. Here, for example, a screen could be provided with a robot type selection, a dry run control, and purge, jog and retract switches. These controls would allow a user to associate the
connected welding system 10 with anappropriate robot 21, and to verify operation of thegas valve 23 andmotor 19 when setting up a weld cell. As these various remote operator interfaces are constructed, they can be bookmarked or saved as a favorite, and then recalled when needed. - Although, as described above, in one aspect of the invention, the user accesses pre-configured web screens 40, 50, 53 54, 55, and 68 from a
remote web browser 37 to provide a pre-configured display, a user can also configure remote control and command screens atremote web browsers 37 through customized html scripts or other programs running on the remote web browser. These programs can, for example, access the functions provided in a weld parameter library, discussed above with reference toFIG. 2 , and provide controls for commanding the power supply 12,wire feed system 20,gas valve 23,coolant 25, or externally connected devices such as therobot 21,PLC 27, or other hard automation components. In addition, through access to the weld parameter library, html scripts at theweb browser 37 can access weld feedback and weld state parameter data and display this data. Alternatively, a user could monitor the data, or combine feedback and state parameters, to establish self-configured error conditions or alarm conditions. As discussed above, through access to available weld control and feedback parameters, the user can configure specific screens and provide specific access for various levels of users. - Referring again to
FIG. 4 , when using the pre-configured screens provided throughweb server 33, various other functions are available to the weld engineer from themain menu 50, as discussed above, including a monitoring link, configuration link, and a diagnostic link. When the monitoring link is selected, the user can, for example, view weld data and summaries, access monitoring logs, and download weld wave form data. - From the configuration link, the user can edit welder configuration data and save this data to a PC or upload the data from a PC. Configuration data accessed from this screen can include, for example, provide access to activate or deactivate a number of different errors including a voltage sense error, an arc start error, arc run time errors, wire stick errors, motor over current errors, coolant flow errors, or gas flow errors. Additionally, the configuration screen can provide locks to allow a supervisor to either selectively or globally lock access to weld programs or functions.
- The maintenance link can provide a system back up and recovery options, and software update options. In the diagnostic screen the user can view and clear an error log, view the states of various inputs and outputs including, for example, the contactor, jog, retract, remote program selection, e-stop, wire feed and voltage outputs including current detect, standby, error modes, wire stuck errors, coolant errors, touch sense errors, voltage feedback and current feedback can be viewed. From this screen the user can also control the contactor, the gas valve, and the motor in both the forward and reverse direction in order to verify the operation of the contactor and any purge functions and jog functions. From the diagnostic screen, the user can also download current status and debugging information, and email the data to a service center for assistance with troubleshooting.
- It should be understood that the methods and apparatuses described above are only exemplary and do not limit the scope of the invention, and that various modifications could be made by those skilled in the art that would fall under the scope of the invention. For example, while functions are provided in various category types above, and the selection process is described as including a category selection and a function selection. it will be apparent that all available functions could be displayed to a user at one time, and the user could select between the displayed functions rather than selecting by function category as described above. Alternatively, a function look-up display could be provided, or the various functions could be provided on a menu.
- Furthermore, while a specific set of screens is described above, it will be apparent that these screens are provided by way of example only, and that the described functions could be implemented in a number of different ways, and in various configurations. Additionally, although specific data types are described with reference to each of the screens described above, it will be apparent that the data could be configured in any number of ways.
- Furthermore, although the embedded web server is shown above as provided internal to a housing of the welding power supply, it will be apparent that the server could be provided in an external housing, or provided in a housing elsewhere within the welding system.
- To apprise the public of the scope of this invention, the following claims are made:
Claims (9)
1. A method for providing a customized remote interface for a welding power source having an embedded web server, the method comprising the following steps:
communicatively coupling an embedded web server to a controller of the welding power source;
programming the embedded web server to provide selective access to executable weld functions from an interface at a remote web browser, the weld functions selectively providing at least one of a display function for displaying selected weld parameters and feedback, a control function for controlling welding power source functions, and a command function for providing output commands to the welding system;
prompting a user to select a plurality of the executable weld functions to customize an interface to display weld feedback, control welding system on/off functions and command weld output at the power source and wire feeder from the remote browser;
building a remote interface to include the selected executable weld functions; and
selectively storing the customized remote interface for recall from at least one of the remote browser or another browser.
2. The method as recited in claim 1 , wherein the step of programming the embedded web server comprises dynamically generating pages created by web server extensions running on the embedded web server.
3. The method as recited in claim 1 , wherein the step of programming the embedded web server comprises storing static data accessible to the dynamically generated pages in a memory component in the welding power source.
4. The method as recited in claim 3 , wherein the static data comprises at least one of an HTML web page, a cascading style sheet document, an image file and a JavaScript source code document.
5. The method as recited in claim 1 , wherein the step of selectively choosing a display function comprises enabling a user to select between and specify display of at least one of an actual voltage, an actual current, and an actual wire speed feedback parameter for inclusion on the interface at the remote web browser, and accessing real-time feedback data for these functions from the welding power source.
6. The method as recited in claim 1 , wherein the step of selectively choosing a display function comprises enabling a user to select between and specify display of a selected weld program, and a weld process type that is in use at the welding power source.
7. The method as recited in claim 1 , wherein the step of selectively choosing the control function comprises providing access to an operator at the remote browser to selectively activate an on/off function corresponding to the welding power source and the wire feed system, the control function providing at least one of a trigger weld function, a purge, a jog, and a retract control.
8. The method as recited in claim 1 , wherein the step of selectively choosing the command function comprises enabling an operator at the remote browser to selectively display and adjust at least one of a voltage/trim command, a wire speed command, and an arc adjustment/inductance command that provide an output command level for at least one of the welding power source.
9. The method as recited in claim 1 , wherein the step of building comprises the step of accessing a library of control functions for displaying and controlling weld parameters in the welding power source, to provide the user access to build a customized operator interface at the remote client browser for monitoring and controlling the power supply.
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US20060213892A1 (en) * | 2005-03-23 | 2006-09-28 | Ott Brian L | System and method for data communications over a gas hose in a welding-type application |
US20070262065A1 (en) * | 2006-05-09 | 2007-11-15 | Lincoln Global, Inc. | Touch screen waveform design apparatus for welders |
Cited By (4)
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US10747393B2 (en) | 2016-10-03 | 2020-08-18 | Lincoln Global, Inc. | User interface with real time pictograph representation of parameter settings |
US11847298B2 (en) | 2016-10-03 | 2023-12-19 | Lincoln Global, Inc. | User interface with real time pictograph representation of parameter settings |
US10608888B2 (en) | 2017-12-21 | 2020-03-31 | Lincoln Global, Inc. | Relating an operator to a power source |
CN109531576A (en) * | 2018-12-29 | 2019-03-29 | 大族激光科技产业集团股份有限公司 | Welding control method, device, system and welding robot |
Also Published As
Publication number | Publication date |
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US8847115B2 (en) | 2014-09-30 |
WO2009154888A1 (en) | 2009-12-23 |
MX2010013928A (en) | 2011-03-15 |
CA2728250C (en) | 2020-08-18 |
EP2303500B1 (en) | 2017-07-12 |
EP2303500A1 (en) | 2011-04-06 |
CA2728250A1 (en) | 2009-12-23 |
US20090313549A1 (en) | 2009-12-17 |
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