<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: Arial; font-size: 12pt; color: #000000'><P>No, that is good information. It is nice to know how works.</P>
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<P>Thanks,</P>
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<P>VB <BR>----- Original Message -----<BR>From: "Jay Marshall" <lightfoot@sc.rr.com><BR>To: "General pattern discussion" <nsrca-discussion@lists.nsrca.org><BR>Sent: Tuesday, June 23, 2009 7:18:16 AM GMT -06:00 US/Canada Central<BR>Subject: Re: [NSRCA-discussion] Servo Signals<BR><BR></P>
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<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Because they use a digital processor, rather than an analog processor, in the electronics. This allows easy tailoring of the control system parameters even to the extent of different performing servos to have the same hardware inside.</SPAN></FONT></P>
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<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Is this too much information?</SPAN></FONT></P>
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<P><B><I><FONT face="Brush Script MT" color=navy size=4><SPAN style="FONT-WEIGHT: bold; FONT-SIZE: 13.5pt; COLOR: navy; FONT-STYLE: italic; FONT-FAMILY: 'Brush Script MT'">Jay Marshall</SPAN></FONT></I></B><FONT color=navy><SPAN style="COLOR: navy"> </SPAN></FONT></P></DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Tahoma size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">-----Original Message-----<BR><B><SPAN style="FONT-WEIGHT: bold">From:</SPAN></B> nsrca-discussion-bounces@lists.nsrca.org [mailto:nsrca-discussion-bounces@lists.nsrca.org] <B><SPAN style="FONT-WEIGHT: bold">On Behalf Of </SPAN></B>Vicente "Vince" Bortone<BR><B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN></B> Tuesday, </SPAN></FONT><FONT face=Tahoma size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">June 23, 2009</SPAN></FONT><FONT face=Tahoma size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"> </SPAN></FONT><FONT face=Tahoma size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">8:03 AM</SPAN></FONT><FONT face=Tahoma size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"><BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> </SPAN></FONT><FONT face=Tahoma size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">General pattern discussion</SPAN></FONT><FONT face=Tahoma size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"><BR><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN></B> Re: [NSRCA-discussion] Servo Signals</SPAN></FONT></P>
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<P style="MARGIN-LEFT: 0.5in"><FONT face=Arial color=black size=3><SPAN style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: Arial">Jim,</SPAN></FONT></P>
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<P style="MARGIN-LEFT: 0.5in"><FONT face=Arial color=black size=3><SPAN style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: Arial">I don't know anything about electronics. I am sure that the following question if very simple for you: Why the digital servos are called digital?</SPAN></FONT></P>
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<P style="MARGIN-LEFT: 0.5in"><FONT face=Arial color=black size=3><SPAN style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: Arial">Thanks,</SPAN></FONT></P>
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<P style="MARGIN-LEFT: 0.5in"><FONT face=Arial color=black size=3><SPAN style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: Arial">Vicente "Vince" Bortone</SPAN></FONT></P>
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<P style="MARGIN-LEFT: 0.5in"><FONT face=Arial color=black size=3><SPAN style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: Arial"><BR>----- Original Message -----<BR>From: "James Oddino" <joddino@socal.rr.com><BR>To: "General pattern discussion" <nsrca-discussion@lists.nsrca.org><BR>Sent: Tuesday, June 23, 2009 12:12:23 AM GMT -06:00 US/Canada Central<BR>Subject: Re: [NSRCA-discussion] Servo Signals<BR><BR>What do they say in the Capital 1 commercials, not literally? Transmitters communicate with receivers digitally in PCM mode and analog in PPM mode. Receivers communicate with servos analogy (?) with PWM. The servos are analog.</SPAN></FONT></P>
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<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial color=black size=3><SPAN style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: Arial">Jim O</SPAN></FONT></P></DIV>
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<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial color=black size=3><SPAN style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: Arial">On Jun 20, 2009, at 7:23 PM, Bob Richards wrote:</SPAN></FONT></P></DIV>
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<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN style="FONT-SIZE: 12pt"><SPAN style="WORD-SPACING: 0px; orphans: 2; widows: 2; webkit-border-horizontal-spacing: 0px; webkit-border-vertical-spacing: 0px; webkit-text-decorations-in-effect: none; webkit-text-size-adjust: auto; webkit-text-stroke-width: 0px">--- On<SPAN class=apple-converted-space> </SPAN><B><SPAN style="FONT-WEIGHT: bold">Sat, 6/20/09, Richard Lewis<SPAN class=apple-converted-space> </SPAN><I><SPAN style="FONT-STYLE: italic"><<A href="mailto:humptybump@sbcglobal.net" target=_blank>humptybump@sbcglobal.net</A>></SPAN></I></SPAN></B><SPAN class=apple-converted-space> </SPAN>wrote:</SPAN></FONT></P>
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<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN style="FONT-SIZE: 12pt">And....Interestingly enough.....It does not matter what kind of fancy whopping digital super latest and greatest TX/RX system you have, the signals to the servos are still firmly rooted in good old 1970's technology....:) And...Your super whopper digital brushless whatever servo still has an analog pot for position feedback....:)</SPAN></FONT></P></DIV>
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<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN style="FONT-SIZE: 12pt">I for one am eager to see a leap in servo technology.....Bidirectional serial comms to the servos with the servo being able to feed back torque, amps, position, rate, etc.....and encoder/resolver position feedback in the servos to really catch up with the world we live in......</SPAN></FONT></P></DIV>
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<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN style="FONT-SIZE: 12pt">Amen to that. We have digital servos and digital receivers, yet they talk to each other via an analog method and use analog feedback.</SPAN></FONT></P></DIV>
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<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Helvetica color=black size=4><SPAN style="FONT-SIZE: 13.5pt; COLOR: black; FONT-FAMILY: Helvetica">_______________________________________________<BR>NSRCA-discussion mailing list<BR><A href="mailto:NSRCA-discussion@lists.nsrca.org" target=_blank>NSRCA-discussion@lists.nsrca.org</A><BR><A href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion" target=_blank>http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</A></SPAN></FONT></P></DIV></BLOCKQUOTE></DIV></SPAN>
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