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TONiC T20x1 readhead installation drawing
Dimensions and tolerances in mm
2 holes M2.5 through, counterbored top face
Ø3 × 2.75 deep from alternative mounting face
Ring and readhead
optical centreline
6.75 ±0.5
R > 20 Dynamic bend radius
R > 10 Static bend radius
4.6
¹
Extent of mounting faces.
The dynamic bend radius is not applicable for UHV cables. UHV cables are for static use only.
2
3
UHV cable approximately Ø3.0 mm.
The recommended thread engagement is 5 mm (7.5 mm including counterbore) and the recommended tightening torque is between 0.25 Nm and 0.4 Nm.
4
10
TONiC
REXM20 / REXT20 angle encoder system installation guide
™
Optical centreline
(incremental and reference mark)
18
Offset 1.75 ±0.5
31
16
3
22
29
6 minimum
2
35
23
11.5
(Yaw tolerance ±0.4°)
0.25
7.5
3
Recommended mounting faces
Set-up LED
CAL/AGC LED
2 holes M2.5 through, counterbored Ø3 × 2.3 deep both sides
(Pitch tolerance ±1°)
Rideheight 2.1 ±0.15
Forward direction
of ring (increasing count)
8.75
(Roll tolerance ±0.5°)
0.08
13.5
11
1
4.25
Alternative mounting face
4.15
10
4
0.6
NOTE: Ring centreline refers to the centre
of the ring based on the full thickness, i.e.,
including the raised flat portion.
1
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