Temperature curve clipping

What is "Output Extruder" and "Output Bed" really supposed to represent? What are the units "0...50...100"? Are those supposed to be percentage of maximum power? It looks like mine is either clipped at 50, or more likely, the graph is half the height it should be. Is that a graphical bug or is my firmware really reporting 50 units?

If its really supposed to be an integrated value of current draw over maximum current draw, that makes some sense. I modified my Printrbot Simple heated bed and replaced the weak integrated power supply with a bigger power supply. My firmware actually drives a current limited relay that drives the external power supply. So I expect that any measured current of the bed heater would be appear artificially low. I hope it would be considerably lower than 50% maximum though. But the extruder doesn't make any sense. It should draw its full current and show as 100%.

You see percentage of the PWM output reported by firmware. So 100 is always on, 50 is 50% on. In firmware you limit these values with paramers having " max pwm" in it's name, depending on firmware.

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