[성현모] TRA V2 삭제
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349
CPXV2 PTS/References/GaudiCfg/help/macro/timeab.html
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349
CPXV2 PTS/References/GaudiCfg/help/macro/timeab.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML EXPERIMENTAL 970324//EN">
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<HTML>
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<HEAD>
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<META NAME="GENERATOR" CONTENT="Adobe FrameMaker 5.5/HTML-Exportfilter">
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<LINK REL="STYLESHEET" HREF="funktionen.css">
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<TITLE> TimeAB [s]</TITLE></HEAD>
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<BODY BGCOLOR="#ffffff">
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<DIV>
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<table BORDER=0 COLS=1 WIDTH="100%" BGCOLOR="#FFFFCC" NOSAVE ><tr ALIGN=CENTER VALIGN=CENTER NOSAVE><td NOSAVE><font face="Arial,Helvetica"><font size=+2></font></font><br><font face="Arial,Helvetica"><font size=+2>CCS Standardfunction <b>TimeAB [s]</b></font></font><br> </td></tr></table><p><p></DIV>
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<H2 CLASS="Funktion">
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<A NAME="pgfId=133151">
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</A>
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TimeAB [s]</H2>
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<P CLASS="Meßparameter">
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<A NAME="pgfId=133152">
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</A>
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MaxSignalAmplitudeA [V]</P>
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<P CLASS="Meßparameter">
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<A NAME="pgfId=9715">
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</A>
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TriggerEdgeA [p/n]</P>
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<P CLASS="Meßparameter">
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<A NAME="pgfId=9717">
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</A>
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TriggerLevelA [V]</P>
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<P CLASS="Meßparameter">
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<A NAME="pgfId=9719">
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</A>
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MaxSignalAmplitudeB [V]</P>
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<P CLASS="Meßparameter">
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<A NAME="pgfId=9721">
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</A>
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TriggerEdgeB [p/n]</P>
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<P CLASS="Meßparameter">
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<A NAME="pgfId=9723">
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</A>
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TriggerLevelB [V]</P>
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<P CLASS="Meßparameter">
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<A NAME="pgfId=9725">
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</A>
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Hold-off [s]</P>
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<P CLASS="Meßparameter">
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<A NAME="pgfId=9727">
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</A>
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Timeout [s]</P>
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<P CLASS="Meßparameter">
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<A NAME="pgfId=9729">
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</A>
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Mode [m/s]</P>
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<DIV>
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<H6 CLASS="AliasTitel">
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<A NAME="pgfId=9731">
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</A>
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</H6>
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</DIV>
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<DIV>
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<H6 CLASS="FktBeschrTitel">
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<A NAME="pgfId=9733">
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</A>
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Description of Function</H6>
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<P CLASS="FktBeschrText">
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<A NAME="pgfId=9735">
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</A>
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Measurement of time period between the trigger edges of two different test signals (on Channel A and Channel B). Depending on mode, this function acts as a control function or a measurement function.<BR>
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</P>
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<P CLASS="ParameterTitel">
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<A NAME="pgfId=9737">
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</A>
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Testing Points</P>
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<P CLASS="ParameterBeschreibung">
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<A NAME="pgfId=9739">
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</A>
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Channel A testing point, Channel A reference point, Channel B testing point, Channel B reference point</P>
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<P CLASS="FktBeschrText">
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<A NAME="pgfId=9741">
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</A>
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</P>
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<P CLASS="ParameterTitel">
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<A NAME="pgfId=9743">
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</A>
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Parameters</P>
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<P CLASS="Parameter">
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<A NAME="pgfId=9745">
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</A>
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</P>
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<P CLASS="Meßparameter">
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<A NAME="pgfId=9747">
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</A>
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MaxSignalAmplitudeA</P>
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<P CLASS="ParameterBeschreibung">
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<A NAME="pgfId=9749">
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</A>
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Largest amplitude occurring on the signal on Channel A. Can be used to establish the measurement range or to select a suppressor circuit.</P>
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<P CLASS="ParameterBeschreibung">
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<A NAME="pgfId=9751">
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</A>
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</P>
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<P CLASS="Meßparameter">
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<A NAME="pgfId=9753">
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</A>
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TriggerEdgeA</P>
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<P CLASS="ParameterBeschreibung">
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<A NAME="pgfId=9755">
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</A>
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Specification of which signal edge on Channel A is to act as trigger for the start of the measurement (p = positive edge, n = negative edge).</P>
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<P CLASS="ParameterBeschreibung">
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<A NAME="pgfId=9757">
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</A>
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</P>
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<P CLASS="Meßparameter">
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<A NAME="pgfId=9759">
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</A>
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TriggerLevelA</P>
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<P CLASS="ParameterBeschreibung">
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<A NAME="pgfId=9761">
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</A>
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Trigger level for start of measurement relative to the Ground potential applicable for this signal.<BR>
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<BR>
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Standard value: see <EM CLASS="HelpSprung">
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Example</EM>
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<EM CLASS="HelpSprungverweis">
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Beispiel_TimeAB</EM>
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</P>
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<P CLASS="ParameterBeschreibung">
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<A NAME="pgfId=9763">
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</A>
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</P>
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<P CLASS="Meßparameter">
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<A NAME="pgfId=9765">
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</A>
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MaxSignalAmplitudeB</P>
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<P CLASS="ParameterBeschreibung">
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<A NAME="pgfId=9767">
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</A>
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Largest amplitude occurring on the signal on Channel B. Can be used to establish the measurement range or to select a suppressor circuit.</P>
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<P CLASS="ParameterBeschreibung">
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<A NAME="pgfId=9769">
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</A>
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</P>
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<P CLASS="Meßparameter">
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<A NAME="pgfId=9771">
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</A>
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TriggerEdgeB</P>
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<P CLASS="ParameterBeschreibung">
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<A NAME="pgfId=9773">
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</A>
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Specification of which signal edge on Channel B is to act as trigger for the end of the measurement (p = positive edge, n = negative edge).</P>
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<P CLASS="ParameterBeschreibung">
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<A NAME="pgfId=9775">
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</A>
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</P>
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<P CLASS="Meßparameter">
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<A NAME="pgfId=9777">
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</A>
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TriggerLevelB</P>
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<P CLASS="ParameterBeschreibung">
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<A NAME="pgfId=9779">
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</A>
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Trigger level for end of measurement relative to the Ground potential applicable for this signal.<BR>
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Standard value: see <EM CLASS="HelpSprung">
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Example</EM>
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<EM CLASS="HelpSprungverweis">
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Beispiel_TimeAB</EM>
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</P>
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<P CLASS="ParameterBeschreibung">
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<A NAME="pgfId=9781">
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</A>
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</P>
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<P CLASS="Meßparameter">
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<A NAME="pgfId=9783">
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</A>
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Hold-off</P>
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<P CLASS="ParameterBeschreibung">
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<A NAME="pgfId=9785">
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</A>
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Period after the start of the measurement (triggered by First TriggerEdge) within which the trigger for ending the measurement (Second TriggerEdge) is not accepted. The purpose of this is to prevent false triggering by sporadic interference pulses on the signal (e.g. due to switch bounce).<BR>
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<BR>
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Note: the hold-off period can not be implemented with all timers. It is not specified in the MSL Catalogue.</P>
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<P CLASS="ParameterBeschreibung">
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<A NAME="pgfId=9787">
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</A>
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</P>
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<P CLASS="Meßparameter">
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<A NAME="pgfId=9789">
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</A>
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Timeout</P>
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<P CLASS="ParameterBeschreibung">
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<A NAME="pgfId=9791">
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</A>
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If the test function receives no measured reading input within the period specified for the timeout, the measurement is aborted.<BR>
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<BR>
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Standard value: 1s</P>
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<P CLASS="ParameterBeschreibung">
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<A NAME="pgfId=9793">
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</A>
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</P>
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<P CLASS="Meßparameter">
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<A NAME="pgfId=9795">
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</A>
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Mode</P>
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<P CLASS="ParameterBeschreibung">
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<A NAME="pgfId=9797">
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</A>
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The Mode indicates whether the function returns a result (m) or whether the testing instrument is simply prepared for the test (s).<BR>
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Mode m can only be used with periodic test signals. In the case of non-periodic test signals, the test signal is applied and the testing instrument prepared (mode s). The trigger event can then be activated and afterwards the test read function <EM CLASS="HelpSprung">
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RTimeAB</EM>
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<EM CLASS="HelpSprungverweis">
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IDH_RTimeAB</EM>
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invoked.</P>
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<P CLASS="Parameter">
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<A NAME="pgfId=9799">
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</A>
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</P>
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<P CLASS="ParameterBeschreibung">
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<A NAME="pgfId=9801">
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</A>
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</P>
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<P CLASS="Beispiel">
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<A NAME="pgfId=9803">
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</A>
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<EM CLASS="HelpFußnote">
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</EM>
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Example <BR>
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</P>
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<DIV>
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<H6 CLASS="Body">
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<A NAME="pgfId=9806">
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</A>
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</H6>
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<TABLE BORDER="1">
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<TR>
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<TD ROWSPAN="1" COLSPAN="1">
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<P CLASS="Tabelle">
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<A NAME="pgfId=1186">
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</A>
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TimeAB</P>
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</TD>
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<TD ROWSPAN="1" COLSPAN="1">
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<P CLASS="Tabelle">
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<A NAME="pgfId=1188">
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</A>
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15,p,7,15,p,7,1E-3,1,m</P>
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</TD>
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</TR>
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</TABLE>
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<P CLASS="Tabelle">
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<A NAME="pgfId=9809">
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</A>
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<BR>
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Diagram:<BR>
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<BR>
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<IMG SRC="funktionen-17.gif" ALIGN="BASELINE">
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<BR>
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</P>
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</DIV>
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<DIV>
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<H6 CLASS="Body">
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<A NAME="pgfId=9812">
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</A>
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</H6>
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<TABLE BORDER="1">
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<TR>
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<TD ROWSPAN="1" COLSPAN="1">
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<P CLASS="Tabelle">
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<A NAME="pgfId=1195">
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</A>
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Ulow</P>
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</TD>
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<TD ROWSPAN="1" COLSPAN="1">
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<P CLASS="Tabelle">
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<A NAME="pgfId=1197">
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</A>
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Low potential of signal</P>
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</TD>
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</TR>
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<TR>
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<TD ROWSPAN="1" COLSPAN="1">
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<P CLASS="Tabelle">
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<A NAME="pgfId=1203">
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</A>
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Uhigh</P>
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</TD>
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<TD ROWSPAN="1" COLSPAN="1">
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<P CLASS="Tabelle">
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<A NAME="pgfId=1205">
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</A>
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High potential of signal</P>
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</TD>
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</TR>
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<TR>
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<TD ROWSPAN="1" COLSPAN="1">
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<P CLASS="Tabelle">
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<A NAME="pgfId=1211">
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</A>
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UTrA,p</P>
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</TD>
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<TD ROWSPAN="1" COLSPAN="1">
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<P CLASS="Tabelle">
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<A NAME="pgfId=1213">
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</A>
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Trigger level, Channel A, positive edge</P>
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</TD>
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</TR>
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<TR>
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<TD ROWSPAN="1" COLSPAN="1">
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<P CLASS="Tabelle">
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<A NAME="pgfId=1219">
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</A>
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UTrB,p</P>
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</TD>
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<TD ROWSPAN="1" COLSPAN="1">
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<P CLASS="Tabelle">
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<A NAME="pgfId=1221">
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</A>
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Trigger level, Channel B, positive edge</P>
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</TD>
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</TR>
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<TR>
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<TD ROWSPAN="1" COLSPAN="1">
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<P CLASS="Tabelle">
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<A NAME="pgfId=1227">
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</A>
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tAB</P>
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</TD>
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<TD ROWSPAN="1" COLSPAN="1">
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<P CLASS="Tabelle">
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<A NAME="pgfId=1229">
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</A>
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Time between triggers on Channel A and Channel B</P>
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</TD>
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</TR>
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</TABLE>
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<P CLASS="Tabelle">
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<A NAME="pgfId=9814">
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</A>
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Figure 10: Reset duration measurement</P>
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<P CLASS="Berechnung">
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<A NAME="pgfId=9816">
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</A>
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With triggering by negative or positive edge, the following applies:</P>
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<P CLASS="Berechnung">
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<A NAME="pgfId=9818">
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</A>
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Trigger level: UTrA,n/p = 0.5(Uhigh - Ulow) + Ulow<BR>
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UTrB,n/p = 0.5(Uhigh - Ulow) + Ulow</P>
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</DIV>
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</DIV>
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</BODY>
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</HTML>
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