
Originally Posted by
ljdm1956
How about a "Foot Pedal For Dummies" primer for the PowerUltra205P? Just a quick instruction on the function of the Pedal/Panel switch and how it affects the function of the foot pedal. If I want 100amps max will the foot pedal just work as an on/off or will it ramp up to 100, which panel setting to use, etc...... Thanks
There have been a few different versions pf pedals and machine settings, but here is a basic rundown. The pedal will be a variable amperage control for all machines, that's it's job. The big difference is to the range that it operates over. Some smaller machines the pedal will override the panel control and always give you full range from minimum to maximum. On the larger machines, the panel control typically sets the max amperage, and then the pedal goes from minimum to that setting. The third type of pedal has a knob on it to set the max amps instead of the panel on the machine, otherwise it operates just like the others. The 205P is kinda in between, so you will have to see what style you have. Typically set your machine to 2T (or pedal if it has that function), then play with the pedal and panel controls and see if the panel has any effect or not. If not your pedal will always be from minimum to 200 amps.
Typically you set up and down slope to zero when using a pedal as you will manually do the sloping with the pedal. As was mentioned in another thread, there are times you might deviate from that, but only when you are more experienced and understand the reasons you might want to. The whole reason for a pedal is to give you the most control, for things where automatic controls might not be ideal. If you find you set the max amps then just floor the pedal and weld the whole joint that way, you really don't need to use a pedal. But lets say you are doing a repair where the gap changes do to poor fitup of the damaged parts. That is where being able to go up and down on amperage during the weld is super helpful. Or welding a round part where you might have to change body position mid weld, or transition from flat to vertical up, all those are places where a pedal is great. For standard fabrication a torch switch and the slope settings are usually easier and more than adequate for the job. It's all about practice, it's another thing to move in sync, so it works best when welding at a bench.
Long arc, short arc, heliarc and in-the-dark!