DS4 A
PPENDIX
E - O
PTION
E-7
Table E.3. System Specifications
ACCURACIES J GRADE R/D H GRADE R/D
R/D CONVERTER ACCY ± 4.0 ARC MIN ± 22.0 ARC MIN
RESOLVER ACCY ± 7.0 ARC MIN ± 7.0 ARC MIN
RESOLVER MOUNTING ± 3.0 ARC MIN ± 3.0 ARC MIN
UNCERTAINTY**
(± 1 Count) ± 5.27 ARC MIN ± 5.27 ARC MIN
WORST CASE ACCY* 19.27 ARC MIN 37.27 ARC MIN
0.32 DEGREES 0.62 DEGREES
± 1.8 BITS ± 3.5 BITS
TYPICAL ACCY 13.87 ARC MIN 28.55 ARC MIN
0.22 DEGREES 0.48 DEGREES
± 1.3 BITS ± 2.5 BITS
REPEATABILITY 5.27 ARC MIN 5.27 ARC MIN
0.088 DEGREES 0.088 DEGREES
1.0 BIT 1.0 BIT
RESOLUTION 2
12
BITS (4096) 2
12
BITS (4096)
* Worst Case Analysis assumes all errors add together.
** For 12-bit systems only. For 14-bit systems, the uncertainty drops to ± 1.32 arc min and for 16-bit systems,
the uncertainty drops to ± 0.33 arc min. Therefore, the worst case and typical accuracies will be reduced
slightly for 14- and 16-bit systems.
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