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RTLC20/FASTRACK carrier installation drawing
1 min (gap)
18 ±0.1
3.7
Optional end cover
(Pair A-9589-0058)
1.5
†
Nominal P limit
trigger point
NOTE: When the FASTRACK
carrier reference mark and
adhesive datum are aligned as
shown, reference output will
be positionally repeatable with
respect to substrate.
*
Assumes 1 mm gap between scale and end covers and zero gap between FASTRACK carrier and end covers.
NOTES: Minimum recommended FASTRACK carrier length = 100 mm.
External magnetic fields greater than 6 mT, in the vicinity of the readhead, may cause false activation of the limit and reference sensors.
VIONiC RTLC20/FASTRACK installation guide
(adhesive datum clamp
Measuring length ML = (L − 10) (ML = (L − 25) with dual limits)
10 max (gap)
9.2
VIONiC readhead
10
P limit magnet
15
(A-9653-0138)
P and Q limit
switch sensor
position
Optical centreline
(incremental and reference mark)
Detail A
2 locations for spots
of Loctite
®
435
™
(P-AD03-0012) to secure
‡
axis datum position
15 ±1
The reference mark selector and limit actuator locations are correct for the readhead orientation shown.
‡
)
Overall length (L + 12)
Scale length (L)
*
FASTRACK carrier length = (L − 24)
Reference mark selector magnet
(A-9653-0143)
(Dimensions as P limit)
RTLC20 scale
A
FASTRACK
0.5
0.1/100
F = axis of motion
†
‡
Dimension from FASTRACK carrier surface.
B
Q limit magnet
(A-9653-0139)
F
(Dimensions as P limit)
0.05
F
F = axis of motion
Nominal Q limit
trigger point
Detail B
Do not cut FASTRACK
carrier over shaded areas
35 max
For alternative mechanical datum clamp methods
Dimensions and tolerances in mm
5
18
Ra 3.2
see page
6.
4
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