Renishaw TONiC FS T3 Series, Functional Safety Installation Manual And Safety Manual, Page: 9 / 25

7 TONiC RTLC20-S Functional Safety installation guide and safety manual Original instructions
RTLC20-S scale installation drawing
Dimensions and tolerances in mm
Scale length ( L )
Overall length ( L + 37 )
Measuring length ML = (L − 17) (ML = (L − 32) with dual limits)
Readhead optical detector position at extent of travel
P limit magnet
(A-9653-0138)
P and Q limit switch
sensor position
TONiC readhead
Nominal P limit
trigger point
Q limit magnet
(A-9653-0139)
(Dimensions as P limit)
Reference mark selector magnet
(A-9653-0143)
(Dimensions as P limit)
8
B
Optical centreline (incremental and reference mark)
5
10
9.2
15
RTLC20-S scale Datum clamp
(A-9585-0028)
End cover
(Pair A-9585-0035)
5
START (see page 8) FINISH (see page 8)
A
C
Detail B
End cover
alignment
indicator
Detail C
0.5
F
0.2/100
0.05 F
F = axis of motion
F = axis of motion
Nominal Q limit
trigger point
Ra 3.2
Detail A Optional bolted reference mark selector and limit magnets
22
18
10
3.7
Ø2.2
†
*
Dimension from substrate surface.
†
Supplied with 2 × M2 × 4 screws.
1.85
3.7
1.5 *
4.5
12
15 ±1
18.5 ± 1
0.8
3.5
(adhesive datum clamp)
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.
Bolted magnet type Part number
P limit A-9653-0292
Q limit A-9653-0291
Reference mark selector A-9653-0290