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Speed
Clocked
output
option
5 µm
1 µm
0.5 µm
0.2 µm
(MHz)
(D)
(X)
(Z)
50
12
12
12
12
12
12
40
12
12
9.06
25
20
12
12
8.06
12
12
10.36
5.18
10
12
8.53
4.27
12
6.91
3.45
08
06
12
5.37
2.69
04
12
3.63
1.81
0.730
01
4.53
0.910
0.450
0.180
*For a readhead with a 1 m cable.
Angular speed depends on ring diameter – use the following equation to convert to rev/min.
V × 1000 × 60
Angular speed (rev/min) =
π
D
VIONiC REXM20/REXT20 installation guide
Maximum speed (m/s)
0.1 µm
50 nm
40 nm
25 nm
(W)
(Y)
(H)
(M)
(P)
7.25
3.63
1.81
1.45
0.906
5.80
2.90
1.45
1.16
0.725
3.63
1.81
0.906
0.725
0.453
3.22
1.61
0.806
0.645
0.403
2.07
1.04
0.518
0.414
0.259
1.71
0.850
0.427
0.341
0.213
1.38
0.690
0.345
0.276
0.173
1.07
0.540
0.269
0.215
0.134
0.360
0.181
0.145
0.091
0.090
0.045
0.036
0.023
Where V = maximum linear speed (m/s) and
D = external diameter of REXM20/REXT20 (mm).
Minimum edge
separation* (ns)
20 nm
10 nm
5 nm
2.5 nm
(I)
(O)
(Q)
(R)
0.725
0.363
0.181
0.091
0.580
0.290
0.145
0.073
0.363
0.181
0.091
0.045
0.322
0.161
0.081
0.040
0.207
0.104
0.052
0.026
0.171
0.085
0.043
0.021
0.138
0.069
0.035
0.017
0.107
0.054
0.027
0.013
0.073
0.036
0.018
0.009
0.018
0.009
0.005
0.002
25.3
31.8
51.2
57.7
90.2
110
136
175
259
1038
14
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