26 – 430 HEIDENHAIN Service Manual iTNC 530 HSCI
Functional test by
means of the logic
diagram
8 Switch on the machine.
8 Turn the feed-rate potentiometer to a small value.
8 Call the logic diagram. -->See ”The LOGIC diagram” on page 11 – 124.
8 Enter the operands M4050 and M4051 and set the trigger to M4051.
8 Start recording.
8 Start a probing cycle with the TT.
8 Check the marker 4050.
If the probe is ready, this marker has the status zero.
8 Deflect the tool touch probe by hand.
8 Check the marker 4051.
If the touch probe is deflected, this marker changes to one.
The message Stylus deflected appears in the machine display.
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