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