Machine data
2.4 Axis-specific machine data
Parameter Manual
246
Operating Instructions, 08/2013, 6FC5397-8EP40-0BA0
Description:
0: MD34010 $MA_REFP_CAM_DIR_IS_MINUS Reference point approach in plus direc-
tion
1: MD34010 $MA_REFP_CAM_DIR_IS_MINUS Reference point approach in minus direc-
tion
For incremental measuring systems:
If the machine axis is positioned in front of the reference cam, it acceler-
ates, depending on the plus/minus traversing key pressed, to the velocity
specified in MD34020 $MA_REFP_VELO_SEARCH_CAM (reference point approach
velocity) in the direction specified in MD34010 $MA_REFP_CAM_DIR_IS_MINUS. If
the wrong traversing key is pressed, reference point approach is not started.
If the machine axis is positioned on the reference cam, it accelerates to the
velocity specified in MD34020 $MA_REFP_VELO_SEARCH_CAM and travels in the
direction opposite to that specified in MD34010 $MA_REFP_CAM_DIR_IS_MINUS.
For linear measuring systems with distance-coded reference marks:
If the machine axis has a reference cam (linear measuring systems with dis-
tance-coded reference marks do not necessarily require a reference cam) and
the machine axis is positioned on the reference cam, it accelerates, irre-
spectively of the plus/minus traversing key pressed, to the velocity speci-
fied in MD34040 $MA_REFP_VELO_SEARCH_MARKER (reference point creep velocity)
in the direction opposite to that specified in MD34010
$MA_REFP_CAM_DIR_IS_MINUS.
Description: The reference point approach velocity is the velocity at which the machine
axis travels in the direction of the reference cam after the traversing key
has been pressed (phase 1). This value should be set at a magnitude large
enough for the axis to be stopped to 0 before it reaches a hardware limit
switch.
MD irrelevant for:
Linear measuring systems with distance-coded reference marks
34010 REFP_CAM_DIR_IS_MINUS A03, A11 G1,R1
- Approach reference point in minus direction BOOLEAN Reset
-
-- FALSE0 - 2/2
34020 REFP_VELO_SEARCH_CAM A03, A11, A04 G1,R1
mm/min, rev/
min
Reference point approach velocity DOUBLE Reset
-
808d-me42 - 5000., 5000., 5000.,
720.
(0./ 0.) (1.e300/ 1.e300) 2/2
808d-me62 - 5000., 5000., 5000.,
720., 720.
(0./ 0.) (1.e300/ 1.e300) 2/2
808d-te42 - 5000., 5000., 5000.,
720.
(0./ 0.) (1.e300/ 1.e300) 2/2
808d-te62 - 5000., 5000., 5000.,
720., 720., 720.
(0./ 0.) (1.e300/ 1.e300) 2/2
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