808d-me62 1 0, 0 - - 1/1
808d-te42 1 0, 0 - - 0/0
808d-te62 1 0, 0 - - 1/1
808d-mte40 1 0, 0 - - 7/2
808d-mte60 1 0, 0 - - 7/2
Description: The encoder serial number (EnDat encoders) can be read out here.
It is updated at PowerOn or when parking is deselected.
"0" is supplied for encoders which do not have a serial number available.
Manipulating this MD normally causes automatic absolute encoder maladjustment (MD34200
$MA_ENC_REFP_MODE returns to "0").
34300 ENC_REFP_MARKER_DIST A03, A02 R1
mm, degrees Basic distance of reference marks of distance-coded encoders. DOUBLE PowerOn
-
808d-me42 1 10.0, 10.0 0.0 - ReadOnly
808d-me62 1 10.0, 10.0 0.0 - ReadOnly
808d-te42 1 10.0, 10.0 0.0 - ReadOnly
808d-te62 1 10.0, 10.0 0.0 - ReadOnly
808d-mte40 1 10.0, 10.0 0.0 - 7/2
808d-mte60 1 10.0, 10.0 0.0 - 7/2
Description: In addition to the incremental encoder track, a further encoder track is available
with distance-coded measuring systems for determining the absolute encoder position.
This encoder track has reference marks at defined, different distances. The basic
distance between the fixed reference marks (which are the reference marks that are
always the same distance from one another) can be taken from the data sheet, and
directly transferred into machine data MD34300 $MA_ENC_REFP_MARKER_DIST.
With the basic distance between the fixed reference marks (MD34300
$MA_ENC_REFP_MARKER_DIST), the distance between two reference marks (MD34310
$MA_ENC_MARKER_INC), and the number of encoder marks (MD31020 $MA_ENC_RESOL) on
angular
measuring
systems
or the graduation cycle (MD31010 $MA_ENC_GRID_POINT_DIST) on
linear measuring systems, the absolute encoder position can be determined once two
successive reference marks have been crossed.
MD34300 $MA_ENC_REFP_MARKER_DIST is also used for a plausibility check of reference
mark distances.
Examples of application:
For example: Heidenhain LS186 C
MD 31010 = 0.02mm (graduation cycle)
MD 34300 = 20.00mm (basic distance between the reference marks)
MD 34310 = 0.02mm (distance between two reference marks corresponds to one graduation
cycle).
34310 ENC_MARKER_INC A03, A02 R1
mm, degrees Interval between two reference marks for distance-coded scales DOUBLE Reset
-
808d-me42 1 0.02, 0.02 0.0 - ReadOnly
808d-me62 1 0.02, 0.02 0.0 - ReadOnly
808d-te42 1 0.02, 0.02 0.0 - ReadOnly
808d-te62 1 0.02, 0.02 0.0 - ReadOnly
808d-mte40 1 0.02, 0.02 0.0 - 7/2
808d-mte60 1 0.02, 0.02 0.0 - 7/2
Machine data
3.4 Axis-specific machine data
Parameter Manual
Parameter Manual, 08/2015, 6FC5397-8EP40-0BA1 265
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