Enhance resolver with configurable excitation, interpolation of up to 16-bits
Used In:
- Ascertaining absolute position (one resolver pole pair)
- Systems used in harsh environments
Used In:
When using a resolver, the drive sends an excitation signal with amplitude of 10V, and a transfer ratio of 0.5 between resolver output and input.
The figure above displays the signals over time in the constant position of 0°. The ratio of the amplitude between the Cos and Ref signals is 0.5 (transfer ratio).
To enhance resolver performance, the drive includes:
Elmo drives support programmable reference frequency as follows:
1/(2*Ts*N), N=1/2,1, 2, 4
where Ts = sample time in microseconds
A special commutation method can also be used with the resolver, in which each electrical feedback cycle contains a whole number of electrical motor cycles.
For more information please contact our motion control experts.
For more information please contact our motion control experts.
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