
4
TONiC RGSZ installation guide
RGSZ20-S scale installation drawing
Dimensions and tolerances in mm
NOTE: The reference mark selector and limit actuator locations are correct for the readhead orientation shown.
*Supplied with 2 x M2 x 4 Trifix screws.
Overall length (L+30)
Scale length (L)
Measuring length ML = (L-55)
ML = (L-40) when Q limit not used
Readhead optical detector position at extent of travel
RGSZ20-S 6.05 ±0.1
RGSZ20-P 6.2 ±0.1
Q limit magnet
Nominal Q limit trigger point (±3)
20
0.5
0.2/100
F
Reference mark selector
magnet
Reference mark spacing 50
30
Ra 3.2
13
End clamp
(Pair A-9523-4015)
35
(20 when Q limit not used)
P limit magnet
Nominal P limit trigger point (±3)
0.05
F
F = axis of motion
Optional bolted reference mark selector or limit magnets
22
18
10
3.7
Ø2.2*
18.5 ±1
START
FINISH
1.85
Reference mark selector A-9653-0290
Q limit
A-9653-0291
P limit
A-9653-0292
15 ±1
F = axis of motion
Optical centreline
(incremental and reference mark)