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readhead installation drawing
Dimensions and tolerances in mm
Reference mark selector
(A-9653-0143)
(Only required for
T1010 readheads)
3.7
15.1
14.7
P limit magnet
(A-9653-0138)
10
15
Forward direction of
readhead relative to scale
>R20 Dynamic bend radius
>R10 Static bend radius
1.5
6.3
*
Dimensions from substrate surface
(RELM/RSLM scale shown. For other scales, see relevant system installation guide)
(Yaw tol. ±0.4°)
0.25
3
7.8
7.8
16
31
18
Optical centreline
(incremental and reference mark)
6
min
35
23
11.5
22
29
Reference mark selector
sensor position
P and Q limit switch
sensor position
3
2 off mounting holes
M2.5 through, counterbored
Ø3 x 2.75 deep from
alternative mounting face
Set-up LED
CAL/AGC LED
2 off mounting holes
M2.5 through, counterbored
Ø3 x 2.3 deep both sides
(Pitch tol. ±1.0°)
A
0.6
(Roll tol. ±0.5°)
Alternative
mounting
face
13.5
Q limit magnet
4.25
(A-9653-0139)
Recommended
mounting faces
Readhead to
scale clearance
0.08
4.15
10
*
13.8
±0.15
Detail A
Scale reading surface
Scale
thickness
Adhesive
1.5 ±0.1
thickness
0.2
Rideheight
2.1 ±0.15
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