TONiC RESM20 Functional Safety installation guide and safety manual Original instructions
6
TONiC FS T40x1 readhead installation drawing
(RESM ‘A’ section ring shown)
Dimensions and tolerances in mm
2 off mounting holes 2.5 through, counterbored Ø3 × 2.3 deep both sides
†
R>20 Dynamic bend radius
R>10 Static bend radius
Ø4.25
±0.25
Set-up LED
CAL/AGC LED
0.6
(Pitch tol. ±1°)
35
23
11.5
6 min
Rideheight 2.1 ±0.15
Forward direction of ring
(increasing count)
4.6
18
16
0.25
(Yaw tol. ±0.4°)
‘A’ section – Offset 1.75 ±0.5
‘B’ section – Offset 3.25 ±0.5
3
7.5
3
29
22
2 off mounting holes M2.5 through,
counterbored Ø3 × 2.75 deep from
alternative mounting face
Optical centreline
(incremental and reference mark)
0.08
(Roll tol. ±0.5°)
13.5
11
*
8.75*
10
Alternative
mounting
face
Recommended
mounting faces
4.15
4.25
31
*
Extent of mounting faces.
†
Minimum thread engagement 5 mm (7.5 including counterbore). Tightening torque 0.25 to 0.4 Nm.
NOTE:
External magnetic fields greater than 6 mT, in the vicinity of the readhead, may cause false activation of the limit and reference sensors.