
6
TONiC RSLM20/RELM20 Functional Safety installation guide and safety manual Original instructions
TONiC FS T301
x
readhead installation drawing
Dimensions and tolerances in mm
*
Extent of mounting faces.
†
Reference mark selector magnet is only required with RSLC20 scale and T3010 readheads.
‡
Minimum thread engagement 5 mm (7.5 including counterbore). Tightening torque 0.25 to 0.4 Nm.
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.
4.6
1.5
R>20 Dynamic bend radius
R>10 Static bend radius
Ø4.
25
±
0.25
35
23
11.5
6 min
2 mounting holes M2.5 through, counterbored Ø3 × 2.3 deep both sides
‡
Set-up LED
CAL/AGC LED
0.6
(Pitch tol. ±1°)
Rideheight 2.1 ±0.15
Alternative
mounting
face
2 mounting holes M2.5 through,
counterbored Ø3 × 2.75 deep
from alternative mounting face
Reference mark selector
sensor position
Selected
IN‑TRAC
™
reference mark
P and Q limit switch sensor position
P limit magnet
(A-9653-0138)
Recommended
mounting faces
(Roll tol. ±0.5°)
0.08
13.5
11
*
8.75
*
4.15
4.25
10
0.25
(Yaw tol. ±0.4°)
16
15
10
7.8
7.8
Optical centreline (incremental and reference mark)
Optical centreline marker
18
14.9 ±0.2
Reference mark selector magnet
†
(A-9653-0143)
(Dimensions as P limit)
3.7
Q limit magnet (A-9653-0139)
(Dimensions as P limit)
3
Offset
0.7 ±0.5
3
31
Nominal P limit trigger point
Nominal Q limit trigger point
15 ±1
Forward direction of
readhead relative to scale
29
22
1.7 ±0.1 RSLM20
1.8 ±0.1 RELM20