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I need a bit of help in direction. I have a single phase 110/220v 200amp acdc sqaurewave inverter welder.

Specs Output Power

AC/DC

Input Voltages

110/220V ± 15%, 1-PH, 50/60Hz

Input Current

15A @110V, 30A @220V

Output Current

TIG: 10 – 200A AC/DC

Stick: 30 – 200A AC/DC

Power Factor

0.73

Power Efficiency

80%

Duty cycle @ 40°C (104°F)

60% @150A, 110V

100% @110A, 110V

60% @190A, 220V 100% @150A, 220V

I am going to buy a external welder frequency controller for it but help I need is how can I make a external box that can convert squarewave into sine, soft and triangle with turn of rotary switch? Doesn't need by a masterful product only work. Controller needs be able change waveforms and add adjustable pulse setting to welder. Goal is to either hard wire into welder between welder and output connector or inline between welder output connector and tig torch. I ain't an electronic genius as I need got into it but I did teach myself how to build guitar pickups and can make the. Sound how I want and can wire up a decently complex guitar configuration so with direction and guidance I can accomplish this as well. I did alot of Google but found nothing available as a diy project or commercial available

I need a bit of help in direction. I have a single phase 110/220v 200amp acdc sqaurewave inverter welder. Specs Output Power AC/DC Input Voltages 110/220V ± 15%, 1-PH, 50/60Hz Input Current 15A @110V, 30A @220V Output Current TIG: 10 – 200A AC/DC Stick: 30 – 200A AC/DC Power Factor 0.73 Power Efficiency 80% Duty cycle @ 40°C (104°F) 60% @150A, 110V 100% @110A, 110V 60% @190A, 220V 100% @150A, 220V I am going to buy a external welder frequency controller for it but help I need is how can I make a external box that can convert squarewave into sine, soft and triangle with turn of rotary switch? Doesn't need by a masterful product only work. Controller needs be able change waveforms and add adjustable pulse setting to welder. Goal is to either hard wire into welder between welder and output connector or inline between welder output connector and tig torch. I ain't an electronic genius as I need got into it but I did teach myself how to build guitar pickups and can make the. Sound how I want and can wire up a decently complex guitar configuration so with direction and guidance I can accomplish this as well. I did alot of Google but found nothing available as a diy project or commercial available

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Input will come from a 10k start 7.5k run generator. Gen outputs 237v @ 30 amps to receptacle though I might change breaker to a larger size when I add a voltage stabilizer so welder has a more stable connection as inverters don't do as well as transformer machines when connected to generators. The maintenance shop where im based out of has a 50amp outlet I can run off of. I'm trying find my welders brother as it has a few extra features and a digital display and convert parts needed over so I'd have the pulse functions but can't find nothing on thos cheap bastard other then buying one. I'll tear into mine in Sept when I have a week off for holiday and take pictures of everything then draw out a wiring diagram and parts list schematic and make note of all part numbers and try find a name brand equal I could possibly find parts and mod over. I highly doubt they have filtering for any freq beyond 50/60hz and I don't have a clue how they ampthe signal.