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VIONiC readhead installation drawing
(Incremental and reference mark)
Reference mark
†
selector magnet
(A-9653-0143)
(Dimensions as P limit)
3.7
14.9 ±0.1
10
P limit magnet
(A-9653-0138)
15
Nominal P limit trigger point
Selected IN-TRAC
reference mark
™
Reference mark selector sensor position
R > 30 Dynamic bend radius
R > 10 Static bend radius
1.5
4.6
Optical centreline marker
†
*
Extent of mounting face.
Reference mark selector is only required with RSLC20 scale.
NOTES: The reference mark selector and limit actuator locations are correct for the readhead orientation shown.
External magnetic fields greater than 6 mT, in the vicinity of the readhead, may cause false activation of the limit and reference sensors.
VIONiC RSLM20/RELM20 installation guide
Optical centreline
18
15 ±1
29
7.8
7.8
6 min
35
23
11.5
Forward direction of
readhead relative to scale
(Yaw tol. ±0.4°)
0.25
Offset 0.7 ±0.5
Q limit magnet (A-9653-0139)
(Dimensions as P limit)
Nominal Q limit trigger point
P and Q limit switch sensor position
Set-up LED
2 mounting holes M2.5 through, counterbored Ø3 × 2.3 deep both sides
NOTE: The recommended thread engagement is 5 min (7.5 including counterbore)
and the recommended tightening torque is between 0.25 and 0.4 Nm.
(Pitch tol. ±1°)
0.6
Rideheight: 2.1 ±0.15
Dimensions and tolerances in mm
(Roll tol. ±0.5°)
0.08
13.5
Mounting faces
4.25
4.15
1.5 ±0.1 (Clip/clamp mounting) RSLM20
1.6 ±0.1 (Clip/clamp mounting) RELM20
1.7 ±0.1 (Adhesive mounting) RSLM20
1.8 ±0.1 (Adhesive mounting) RELM20
*
8.75
10
4
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