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RESA ring installation drawing
Dimensions and tolerances in mm
N holes equally spaced on PCD ØDH Ø3.5 through
counterbore Ø6 × 3 deep
N holes equally spaced on PCD ØDH M3 × 0.5 through
counterbore Ø3.5 × 4 deep
A
A
ØDI
ØDH
ØDO
RESOLUTE FS with BiSS
Safety encoder system installation guide and safety manual
®
('A' section)
Ring rotation to give
increasing count
θ
0.5 × 45°
NOTE: The scale zero position is
radially aligned with the centre of
the mounting hole to the left of the
'Renishaw' logo.
NOTE: θ is the angle between
one tapped hole and the adjacent
clearance hole.
The angle between two clearance
holes is 2θ.
10
15° ± 0.2°
3
1 × 45°
Section A-A
Nominal
external
DO (mm)
DI (mm)
diameter
DH (mm)
(mm)
52.20
30.04
52
52.10
30.00
57.35
37.04
57
57.25
37.00
75.40
55.04
75
75.30
55.00
100.30
80.04
100
100.20
80.00
103.20
80.04
103
103.00
80.00
104.40
80.04
104
104.20
80.00
114.70
95.04
115
114.50
95.00
150.40
130.04
150
150.20
130.00
200.40
180.04
200
200.20
180.00
206.50
186.05
206
206.10
186.00
208.80
186.05
209
208.40
186.00
229.40
209.05
229
229.00
209.00
254.80
235.06
255
254.40
235.00
300.40
280.06
300
300.20
280.00
350.40
330.06
350
350.20
330.00
412.70
392.08
413
412.30
392.00
417.40
380.10
417
417.00
380.00
489.12
451.10
489
488.72
450.90
550.20
510.10
550
549.80
510.00
*
NOTE: There are no tapped holes on the 489 mm ring
IMPORTANT: RESOLUTE Functional Safety readheads must be used with
the correct size RESA ring. Ensure matching part numbers when ordering.
Original instructions
Mounting holes
N
θ θ
40
6
30°
47
6
30°
65
6
30°
90
6
30°
90
6
30°
90
6
30°
105
6
30°
140
9
20°
190
12
15°
196
12
15°
196
12
15°
219
12
15°
245
12
15°
290
16
11.25°
340
16
11.25°
402
18
10°
390
18
10°
18° *
462
20
520
20
9°
9
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