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DMM Multi-Axis Multi-Turn Resolver Decoders
Principle of Operation
The DMM decoders are available with either output or input multiplexing. The resolver analog signals are converted to the output digital format by a tracking resolver-to-digital converter. With input multiplexing, the analog signals are multiplexed to a single digital converter.
In output multiplexing, multiple decoders are multiplexed to the parallel digital output port. The binary code at the input selects a particular resolver for output, as well as the gear ratio for the selected resolver.
Output multiplexing allows for a fast response and is recom-mended for high-speed operations. In the input multiplexing versions, there is a 100 msec settling time after a change in resolver selection before the data is stable. The output multi-plexing has only 15 s settling time.
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