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REXA30 ring dimensions
Nominal
Dimensions
external
D1
D2
diameter
52
1
26
50
52.1 - 52.2
57
26
50
57.25 - 57.35
1
75
40.5
64.5
75.3 - 75.4
100
57.5
97.5
100.2 - 100.3
103
57.5
97.5
103.0 - 103.2
104
57.5
97.5
104.2 - 104.4
115
68
108
114.5 - 114.7
150
96
136
150.2 - 150.4
183
122.5
162.5
183.2 - 183.4
200
136
176
200.2 - 200.4
206
140.5
180.5
206.1 - 206.5
209
140.5
180.5
208.4 - 208.8
229
160.5
200.5
229.0 - 229.4
255
180.5
220.5
254.4 - 254.8
300
216
256
300.2 - 300.4
350
256
296
350.2 - 350.4
417
305
345
417.0 - 417.4
IMPORTANT: RESOLUTE Functional Safety readheads must be used with the
correct size REXA ring. Ensure matching part numbers when ordering.
1
52 mm and 57 mm rings have dimple fiducial features and no slots.
40
RESOLUTE™ Functional Safety Installation guide and safety manual Siemens DRIVE-CLiQ encoder system
Mounting holes
θ
D3
D4
N
38
4
90°
38
4
90°
52.5
8
45°
77.5
8
45°
77.5
8
45°
77.5
8
45°
88
8
45°
116
8
45°
142.5
12
30°
156
12
30°
160.5
12
30°
160.5
12
30°
180.5
12
30°
200.5
12
30°
236
12
30°
276
16
22.5°
325
16
22.5°
Original instructions
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