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TONiC FS T301
readhead installation drawing
x
†
Reference mark selector magnet
(A-9653-0143)
(Dimensions as P limit)
3.7
14.9 ±0.2
P limit magnet
(A-9653-0138)
Nominal P limit trigger point
Selected IN‑TRAC
reference mark
Reference mark selector
sensor position
R>20 Dynamic bend radius
R>10 Static bend radius
1.5
4.6
*
†
Extent of mounting faces.
Reference mark selector magnet is only required with RSLC20 scale and T3010 readheads.
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.
TONiC RSLM20/RELM20 Functional Safety installation guide and safety manual
18
31
16
15 ±1
7.8
3
10
15
22
29
™
6 min
35
23
11.5
Optical centreline marker
(Yaw tol. ±0.4°)
0.25
7.8
Offset
3
0.7 ±0.5
Nominal Q limit trigger point
2 mounting holes M2.5 through,
counterbored Ø3 × 2.75 deep
from alternative mounting face
P and Q limit switch sensor position
Optical centreline (incremental and reference mark)
Set-up LED
CAL/AGC LED
2 mounting holes M2.5 through, counterbored Ø3 × 2.3 deep both sides
(Pitch tol. ±1°)
0.6
Rideheight 2.1 ±0.15
‡
Minimum thread engagement 5 mm (7.5 including counterbore). Tightening torque 0.25 to 0.4 Nm.
Original instructions
Forward direction of
readhead relative to scale
Q limit magnet (A-9653-0139)
(Dimensions as P limit)
Recommended
mounting faces
1.7 ±0.1 RSLM20
1.8 ±0.1 RELM20
Dimensions and tolerances in mm
(Roll tol. ±0.5°)
0.08
*
8.75
*
13.5
11
4.25
Alternative
mounting
face
4.15
10
‡
6
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