Various welding systems that provide communication over auxiliary or weld power lines are provided. The disclosed embodiments may include a multi-process welding power supply that is communicatively coupled to a pendant via an auxiliary conduit that facilitates the exchange of data and power between
Various welding systems that provide communication over auxiliary or weld power lines are provided. The disclosed embodiments may include a multi-process welding power supply that is communicatively coupled to a pendant via an auxiliary conduit that facilitates the exchange of data and power between components of the welding system. In some embodiments, the pendant may also include auxiliary outlets that allow an operator to power auxiliary devices at the weld location. The disclosed embodiments further include a pendant with a wire spool and wire feeder drive circuitry that is configured to activate spooling during MIG welding. Embodiments are provided that also allow for bidirectional data communication over a power line in networked welding systems.
대표청구항▼
1. A welding system comprising: an auxiliary power conductor that in operation carries a combined signal comprising an alternating current (AC) power signal having a modulated data signal superimposed thereon;a power supply unit that outputs welding power at welding terminals and outputs the AC powe
1. A welding system comprising: an auxiliary power conductor that in operation carries a combined signal comprising an alternating current (AC) power signal having a modulated data signal superimposed thereon;a power supply unit that outputs welding power at welding terminals and outputs the AC power signal to the auxiliary power conductor, wherein the power supply unit is configured to communicate with a pendant coupled to the auxiliary power conductor via the modulated data signal on the auxiliary power conductor; andthe pendant located remotely with respect to the power supply unit, wherein the pendant receives the AC power signal via the auxiliary power conductor, wherein the pendant is configured to communicate data with the power supply unit via the modulated data signal on the auxiliary power conductor. 2. The welding system of claim 1, wherein the pendant includes one or more power receptacles configured to output auxiliary power to one or more auxiliary devices. 3. The welding system of claim 1, wherein the pendant comprises a wire feeder enabled when a MIG process or a MIG/flux core process is selected. 4. The welding system of claim 1, wherein the communication of data is bidirectional between the power supply unit and the pendant. 5. The welding system of claim 1, wherein the pendant is configured to allow a user to select a welding process and to communicate the selection to the power supply unit via the auxiliary power conductor. 6. The welding system of claim 1, comprising a first set of controls located on the power supply unit and a second set of controls located on the pendant, and wherein at least one of the first set of controls is disabled automatically when the pendant is coupled to the power supply unit via the auxiliary power conductor. 7. The welding system of claim 1, comprising one or more gas sources and one or more gas conduits connected to the one or more gas sources. 8. The welding system of claim 7, wherein the one or more gas conduits supply one or more gases to a welding torch. 9. A welding system comprising: a power line backbone configured to transmit alternating current (AC) power and exchange data among a plurality of welding power supplies by modulating and superimposing the data on the AC power; andthe plurality of welding power supplies coupled to the power line backbone that receive power and exchange data via the power line backbone. 10. The welding system of claim 9, wherein at least one welding power supply of the plurality of welding power supplies is configured to output power suitable for welding and auxiliary power to power one or more auxiliary devices. 11. The welding system of claim 10, wherein the at least one welding power supply of the plurality of welding power supplies is configured to exchange data with and provide power to at least one of the one or more auxiliary devices via an auxiliary power conductor. 12. The welding system of claim 9, comprising one or more remote control and monitoring stations that exchange data with the plurality of welding power supplies via the power line backbone. 13. The welding system of claim 9, wherein each welding power supply of the plurality of welding power supplies comprises conversion circuitry configured to convert incoming power to an auxiliary power output and to a weld power output. 14. A welding system comprising: a power supply that outputs welding power for a welding application and outputs alternating current (AC) auxiliary power to power auxiliary devices via an auxiliary power conductor, wherein the auxiliary power conductor carries a combined signal comprising the AC auxiliary power from the power supply having, superimposed thereon, data exchanged with the power supply in operation; anda remote pendant coupled to the power supply via the auxiliary power conductor and configured to receive the AC auxiliary power from the power supply via the auxiliary power conductor and to exchange data with the power supply via the same auxiliary power conductor. 15. The welding system of claim 14, wherein the pendant is configured to permit user selection of at least one welding parameter and to communicate the selection to the power supply via the auxiliary power conductor. 16. The welding system of claim 14, wherein the pendant comprises at least one auxiliary electrical receptacle into which a power cord for at least one of the auxiliary devices may be plugged, and the at least one auxiliary electrical receptacle is configured to output at least a portion of the AC auxiliary power to the at least one of the auxiliary devices. 17. The welding system of claim 14, comprising a first set of controls located on the power supply and a second set of controls located on the pendant, and wherein at least one of the first set of controls are disabled automatically when the pendant is communicatively coupled to the power supply via the auxiliary power conductor. 18. The welding system of claim 14, wherein the pendant comprises a wire feeder enabled when a MIG process or a MIG/flux core process is selected. 19. The welding system of claim 14, comprising one or more gas sources and one or more gas conduits connected to the one or more gas sources. 20. The welding system of claim 19, wherein the one or more gas conduits supply one or more gases to a welding torch via gas valving located in the power supply. 21. A welding system comprising: a power supply that outputs welding power for a welding application; andan auxiliary power conversion unit located external to the power supply and configured to output alternating current (AC) auxiliary power to one or more auxiliary devices via an auxiliary power conductor, and exchange data via the auxiliary power conductor by superimposing the data on the AC auxiliary power, wherein the power supply is configured to exchange data with the auxiliary power conversion unit via the same auxiliary power conductor, a control cable, a primary power conduit, or a combination thereof, and wherein the auxiliary power conductor carries at least a combined signal comprising the AC auxiliary power from the auxiliary power conversion unit having, superimposed thereon, the data exchanged with the auxiliary power conversion unit.
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이 특허에 인용된 특허 (35)
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