3 linear measurement via rotary encoder – HEIDENHAIN TNC 335 Technical Manual User Manual
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2 Reference Marks
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2.1.3 Linear measurement via rotary encoder
Machine parameter MP1350.x = 2
For linear measurement using a rotary encoder a reference pulse is produced on each revolution of
the encoder. It must be ensured that, after switching on the machine, always the same reference
pulse is evaluated. This can also be achieved by using the trip dog "Reference end position."
Reference pulse
Closed
Open
Trip dog
"Reference end position"
Traverse direction MP1320.x
Measuring length
Desired reference pulse
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