VIONiC RESM20/REST20 angle encoder system
16
*For a readhead with a 1 m cable.
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
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 RESM20/REST20 (mm).