https://docs.tcsdcc.com/index.php?action=history&feed=atom&title=CV_6 2026-05-25T02:33:37Z Revision history for this page on the wiki MediaWiki 1.40.4 https://docs.tcsdcc.com/index.php?title=CV_6&diff=10131&oldid=prev 2021-07-16T21:47:35Z

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TCSDanM https://docs.tcsdcc.com/index.php?title=CV_6&diff=10130&oldid=prev 2021-07-02T21:56:58Z

<p>Added description for CV6 and some tips for programming</p> <p><b>New page</b></p><div>{{Infobox CV<br /> |cv name=Vmid (Mid Volts)<br /> |cv range=0-255<br /> |cv accepted=0-255<br /> |cv default=0<br /> }}<br /> <br /> ==NMRA CV 6 - Vmid (Mid Volts)==<br /> CV 6 specifies the voltage drive level at the middle speed step (63/126). CV 6 is used to generate a performance curve in the decoder that translate speed step values into motor voltage drive levels, and is specified as a fraction of available rectified supply voltage. CV 6 is used to &quot;slide&quot; the curve in one direction or another, where the value in CV 6 will adjust the curve for greater or less sensitivity in the later half of the speed curve. CV 6 should be left unmodified when setting up &quot;speed limits&quot; in decoders unless you are unsatisfied with the default speed curve calculation. <br /> <br /> ''NOTE: CV6 will not be &quot;in use&quot; ''as part of the speed curve calculation'' if programmed with a value of 0 or 128''.<br /> <br /> CV 6 is used in conjunction with [[{{NAMESPACE}}:CV_2|CV 2]] and [[{{NAMESPACE}}:CV_5|CV 5]] as part of the [[{{NAMESPACE}}:3_Point_Speed_Curves_Feature|3 Point Speed Curves feature]].<br /> <br /> <br /> From S-9.2.2 of the NMRA Standards and Recommended Practices:<br /> <br /> ''&quot;Vmid specifies the voltage drive level at the middle speed step. Vmid is used to generate a performance curve in the decoder that translate speed step values into motor voltage drive levels and is specified as a fraction of available rectified supply voltage. Values of 0 or 128 shall indicate that Vmid is not used in the calculation of the speed table.&quot;''<br /> <br /> [[Category:Standard CV]]<br /> [[Category:Motor]]</div>

tcs>Dan Mycio