ESAB DTE 255 - AP01:8 Arc Voltage Sensing

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AP01:8 Arc vo ltag e sensing
Signal path for arc voltage sensing in the DTE 255
IC32 has a gain of 0.1, which means that a welding voltage of 10V produces 1V
at the output (UNORM). The signal is connected to AP05 and AP04, and used
for process control on AP04. R631 is a zero offset trimmer.
Signal path for arc voltage sensing in the DTE 200