about ssi clock rate

Forum: Motion Control RMCTools
1

How should i select ssi clock rate?

There are two rate clock rate 230k and 921k.

Is 921K better than 230k when encoder can receive 921k?

When i select 921k， what should i consider？ LOOP time？ encoder？ or else？
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2

The clock rate is usually unimportant. For long wire lengths, it may be necessary choose a lower clock rate.

See this topic: http://deltamotion.com/support/webhelp/rmctools/Registers/Register_Descriptions/Axis_Parameter_Registers/Feedback/Transducer_Specific/Param_SSI_CLock_Rate.htm