
6
TONiC RTLC20-S Functional Safety installation guide and safety manual Original instructions
TONiC FS T303x readhead installation drawing
Dimensions and tolerances in mm
Forward direction of readhead
relative to scale
R>20 Dynamic bend radius
R>10 Static bend radius
Ø4.25
±
0.2
5
Set-up LED
CAL/AGC LED
Optical centreline marker
A
0.6
(Pitch tol. ±1°)
35
23
11.5
6 min
18
16
7.8
7.8
2 off holes M2.5 through,
counterbored Ø3 × 2.75 deep
from alternative mounting face
Reference mark selector
sensor position
P and Q limit switch
sensor position
Selected
IN‑TRAC
™
reference mark
0.08
(Roll tol. ±0.5°)
11
†
13.5
4.25
4.15
10
8.75
†
Offset 2.75 ±0.5
3
0.25
(Yaw tol. ±0.4°)
29
22
Detail A
Scale reading surface
5
*
Rideheight 2.1 ±0.15
Optical centreline
(incremental and reference mark)
Recommended
mounting faces
Scale thickness 0.4
(including adhesive)
3
P limit magnet
Reference mark
selector magnet
Q limit magnet
*
Dimensions from substrate surface.
†
Extent of mounting faces.
‡
Minimum thread engagement 5 mm (7.5 including counterbore). Tightening torque 0.25 to 0.4 Nm.
31
8
Alternative
mounting
face
2 off mounting holes 2.5 through, counterbored
Ø3 × 2.3 deep both sides
‡