Heidenhain PWM 8 Manual do Utilizador descarregar pdf (Página 49)

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Reference mark signal

Oscilloscope display x - t

• Change the trigger setting of the oscilloscope basic setting

as follows:

– Trigger channel A

– Manual triggering (AC or DC)

– Trigger negative edge

• Traverse the reference mark to be checked

oscillatorily (“forward“/“backward“).

• At the oscilloscope turn the trigger

potentiometer to set the trigger threshold

(LEVEL) such that the reference mark

signal is depicted as “stationary“ image

on the screen.

Note:

Schematic display of Ue1+2 on the oscilloscope.

The actual amplitude is higher than displayed.

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Heidenhain PWM 8 Manual do Utilizador Página 49