Troubleshooting - HEIDENHAIN iTNC 530 Service Manual

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19.4 Troubleshooting

Examining the

Examining the

reference mark

Examining the

switch signal of the

Figure: Switch signal of the trip dog in the integrated oscilloscope

See "Encoder Interface" on page 18 – 277.

See "Further Examination of Position and Speed Encoders" on page 18 – 308.

Move the axis to the presumed position of the trip dog.

Ask the machine manufacturer for the PLC input for the switch signal.

Observe the switch signal, e.g. in the integrated oscillocope or in the PLC logic diagram.

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