M1500 Datasheet, PDF (4/9 Pages) GSI Group, Inc. – Mercury TM1500 Digital Output Encoder Systems Factory Set Resolution to 0.50μm

System Specifications
Resolution and Maximum Speed
Mercury 1500 systems have factory set interpolation: x4, x8, x20, x40. Below is the table of available resolutions.
Linear - 20μm grating pitch
Interpolation
x4
x8
x20
x40
Resolution
5.000µm/count
2.500µm/count
1.000µm/count
0.500µm/count
Maximum Speed
7200mm/s
7200mm/s
7200mm/s
7200mm/s
Rotary - 20μm grating pitch
Rotary
Glass Scale
Diameter
Fundamental
Resolution
Interpolation
Below is a table of the available resolutions.
0.472” [12.00mm] 1650 CPR
0.750” [19.05mm] 2500 CPR
1.250” [31.75mm] 4096 CPR
2.250” [57.15mm] 8192 CPR
4.250” [107.95mm] 16384 CPR
interpolated resolution (CPR)
interpolated resolution (arc-sec/count)*
interpolated resolution (µrad/count)*
maximum speed (RPM)
x4
6,600
196.4
952
13090
x8
13,200
98.2
476
13090
interpolated resolution (CPR)
interpolated resolution (arc-sec/count)*
interpolated resolution (µrad/count)*
maximum speed (RPM)
x4
10,000
129.6
628
8640
x8
20,000
64.8
314
8640
x20
33,000
39.2
190.3
13090
x20
50,000
25.9
125.6
8640
x40
66,000
19.64
95.2
13090
x40
100,000
12.96
62.8
8640
interpolated resolution (CPR)
interpolated resolution (arc-sec/count)*
interpolated resolution (µrad/count)*
maximum speed (RPM)
x4
16,384
79.1
383
5273
x8
32,768
39.6
191.7
5273
x20
81,920
15.82
76.6
5273
x40
163,840
7.91
38.3
5273
interpolated resolution (CPR)
interpolated resolution (arc-sec/count)*
interpolated resolution (µrad/count)*
maximum speed (RPM)
x4
32,768
39.6
191.7
2637
x8
65,536
19.78
95.8
2637
x20
163,840
7.92
38.3
2637
x40
327,680
3.96
19.17
2637
x4
interpolated resolution (CPR)
65,536
interpolated resolution (arc-sec/count)* 19.78
interpolated resolution (µrad/count)* 95.8
maximum speed (RPM)
1318
x8
131,072
9.89
47.9
1318
x20
327,680
3.96
19.16
1318
x40
655,360
1.978
9.58
1318
* Resolution values shown are approximate. To calculate exact resolution values, convert from CPR (Counts Per Revolution) to the desired units.
Note: Specifications assume XOR function which is available in all standard controllers.
All Specifications are subject to change. All data is accurate to the best of our knowledge. MicroE Systems is not responsible for errors.
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