
RGH40 installation drawing
Dimensions and tolerances in mm
RGH40 RGS40-G
installation guide
3
Arrow indicates forward direction of
readhead relative to scale
R>50 Dynamic bend radius
R>10 Static bend radius
Scale graduations
2 mounting holes M3 x 9.5 deep
†
Reference mark sensor position
Optical centreline
Reference mark actuator
(A-9531-0250)
P limit magnet
(
A-9531-0251)
Mount dimple down
(Dimensions same as Q limit)
P limit switch
sensor position
Arrow indicates optical and
reference mark centreline
(Roll tol. ±1°)
Q limit magnet
(A-9531-0251)
Mount dimple up for Q
Optional bolted limit magnet
P
(A-9550-0047)
,
Q
(A-9550-0048)
Mounting ledge or
top surface of bracket
for limit switch actuator
(Pitch tol. ±1°)
0.8
0.8
7.5
10.5
Q limit switch
sensor position
10
14.6
17.5
25.5
Optional bolted limit magnet
3
7
14
4
6 min
(Yaw tol. ±1°)
20.7
15.3
3.6
5.7
8.6
*
Set-up
LED
0.13
27
9
18
2.9
4.9
4.05
8.5
7.7
5.1
14.4
Ø4.5 ±0.2
44
38
3
2 mounting holes
M3 x 7.5 deep
†
2.9
17
2.8
3
13
14.6
4
Rideheight
0.8 ±0.15
0.5 ±0.5
*
Extent of mounting faces.
†
The recommended thread engagement is 5 mm. The recommended tightening torque is between 0.5 and 0.7 Nm.