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HEIDENHAIN TNC 306 Technical Manual User Manual

Page 130

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4-30

TNC 406/TNC 306

2 Reference marks

3/97

Sequence "Automatic passing over reference marks" (press the external START key).
MP1350.x = 0

Press external START key

Trip dog

"Reference end position"

closed?

Traverse direction from

MP1320.x

Invert traverse direction

from MP1320.x

Pass over two consecutive

reference marks

Machine moves to

software limit switch range

Machine stops

No

Yes

Yes

No

Is the machine

outside the software

limit switch range?

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