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Changes to Step #4

Edit by Christopher Howell

Edit approved by Christopher Howell

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+[title] Basic Testing (Optional) Pilot Signal Frequency and Duty Cycle
+[* icon_note] OpenEVSE outputs a 1000hz pilot signal when connected to an EV and Ready.
+[* black] Using a Multimeter with frequency measurement, a oscilloscope or an EV Sim II from nslayer. Enter State B and measure frequency from pilot to ground.
+[* icon_note] Frequancy should measure between 980 to 1020hz.
+[* black] Using a Multimeter with duty cycle measurement, a oscilloscope or an EV Sim II from nslayer. Enter State B and measure duty cycle from pilot to ground. Duty Cycle should match formulas below.
+ [* icon_note] 6 to 51A Amps = Duty cycle x 0.6 Duty cycle = Amps / 0.6
+ [* icon_note] 51 - 80A Amps = (Duty Cycle - 64) 2.5