654 HEIDENHAIN Technical Manual MANUALplus 620
6.4.3 Distance-coded reference marks
The parameter object CfgAxisHardware is not required for:
Virtual axes (MP_axisMode=Virtual)
HEIDENHAIN offers linear encoders with distance-coded reference marks.
The nominal increment between two fixed reference marks depends on the
encoder being used.
For encoders with distance-coded reference marks, enter for each axis the
nominal increment between two fixed reference marks in
MP_posEncoderRefDist.
Example:
LS 486C: Incremental linear encoder with distance-coded reference marks
Grating period 20 µm (= one signal period covers 0.02 mm), nominal
increment between reference marks is 20 mm.
MP_posEncoderDist = 0.02
MP_posEncoderIncr = 1
MP_posEncoderRefDist = =1000 [signal periods]
MP_posEncoderRefDist
Nominal increment between two fixed reference marks
Available from NCK software version: 597 110-01.
Format: Numerical value
Input: 1 to 65 535 [signal periods]
Number of signal periods between the reference marks. The
parameter is only relevant for encoders with distance-coded
reference marks.
Default: 1000 [signal periods]
Access: LEVEL3
Reaction: REF
Settings in the configuration editor MP number
Axes
ParameterSets
[Key name of the parameter set]
CfgAxisHardware
posEncoderRefDist 400007
20 mm
0,02 mm
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