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vrf AW: GPIB slowdown

Question asked by bernhardt on Jun 15, 2003
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns="http://www.w3.org/TR/REC-html40"><head><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"><meta name=ProgId content=Word.Document><meta name=Generator content="Microsoft Word 9"><meta name=Originator content="Microsoft Word 9"><link rel=File-List href="cid:filelist.xml@01C333F8.9BC4FC70"><!--[if gte mso 9]><xml> <o:OfficeDocumentSettings>  <o:DoNotRelyOnCSS/> </o:OfficeDocumentSettings></xml><![endif]--><!--[if gte mso 9]><xml> <w:WordDocument>  <w:Zoom>0</w:Zoom>  <w:DocumentKind>DocumentEmail</w:DocumentKind>  <w:HyphenationZone>21</w:HyphenationZone>  <w:EnvelopeVis/> </w:WordDocument></xml><![endif]--><style><!-- /* Font Definitions */@font-face     {font-family:Tahoma;     panose-1:2 11 6 4 3 5 4 4 2 4;     mso-font-charset:0;     mso-generic-font-family:swiss;     mso-font-pitch:variable;     mso-font-signature:553679495 -2147483648 8 0 66047 0;} /* Style Definitions */p.MsoNormal, li.MsoNormal, div.MsoNormal     {mso-style-parent:"";     margin:0cm;     margin-bottom:.0001pt;     mso-pagination:widow-orphan;     font-size:12.0pt;     font-family:"Times New Roman";     mso-fareast-font-family:"Times New Roman";}a:link, span.MsoHyperlink     {color:blue;     text-decoration:underline;     text-underline:single;}a:visited, span.MsoHyperlinkFollowed     {color:blue;     text-decoration:underline;     text-underline:single;}p.MsoAutoSig, li.MsoAutoSig, div.MsoAutoSig     {margin:0cm;     margin-bottom:.0001pt;     mso-pagination:widow-orphan;     font-size:12.0pt;     font-family:"Times New Roman";     mso-fareast-font-family:"Times New Roman";}span.EmailFormatvorlage17     {mso-style-type:personal-reply;     mso-ansi-font-size:10.0pt;     mso-ascii-font-family:Arial;     mso-hansi-font-family:Arial;     mso-bidi-font-family:Arial;     color:navy;}@page Section1     {size:595.3pt 841.9pt;     margin:70.85pt 70.85pt 2.0cm 70.85pt;     mso-header-margin:35.4pt;     mso-footer-margin:35.4pt;     mso-paper-source:0;}div.Section1     {page:Section1;}--></style><!--[if gte mso 9]><xml> <o:shapedefaults v:ext="edit" spidmax="1027"/></xml><![endif]--><!--[if gte mso 9]><xml> <o:shapelayout v:ext="edit">  <o:idmap v:ext="edit" data="1"/> </o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=DE link=blue vlink=blue style='tab-interval:35.4pt'><div class=Section1><p class=MsoNormal><span class=EmailFormatvorlage17><font size=3 color=navyface="Courier New"><span style='font-size:12.0pt;mso-ansi-font-size:12.0pt;font-family:"Courier New"'>Hi Vic,<o:p></o:p></span></font></span></p><p class=MsoNormal><span class=EmailFormatvorlage17><font size=3 color=navyface="Courier New"><span style='font-size:12.0pt;mso-ansi-font-size:12.0pt;font-family:"Courier New"'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></span></p><p class=MsoNormal><span class=EmailFormatvorlage17><font size=3 color=navyface="Courier New"><span lang=EN-GB style='font-size:12.0pt;mso-ansi-font-size:12.0pt;font-family:"Courier New";mso-ansi-language:EN-GB'>look in theinstrument manager. <o:p></o:p></span></font></span></p><p class=MsoNormal><span class=EmailFormatvorlage17><font size=3 color=navyface="Courier New"><span lang=EN-GB style='font-size:12.0pt;mso-ansi-font-size:12.0pt;font-family:"Courier New";mso-ansi-language:EN-GB'>The number ofinstruments slows down the access to GPIB.<o:p></o:p></span></font></span></p><p class=MsoNormal><span class=EmailFormatvorlage17><font size=3 color=navyface="Courier New"><span lang=EN-GB style='font-size:12.0pt;mso-ansi-font-size:12.0pt;font-family:"Courier New";mso-ansi-language:EN-GB'>Delete unusedinstruments. Maybe this helps.<o:p></o:p></span></font></span></p><p class=MsoNormal><span class=EmailFormatvorlage17><font size=3 color=navyface="Courier New"><span lang=EN-GB style='font-size:12.0pt;mso-ansi-font-size:12.0pt;font-family:"Courier New";mso-ansi-language:EN-GB'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></span></p><p class=MsoNormal><span class=EmailFormatvorlage17><font size=3 color=navyface="Courier New"><span style='font-size:12.0pt;mso-ansi-font-size:12.0pt;font-family:"Courier New"'>Best regards<o:p></o:p></span></font></span></p><p class=MsoAutoSig><font size=3 color=navy face="Courier New"><spanstyle='font-size:12.0pt;font-family:"Courier New";color:navy'>M. Bernhardt</span></font><fontcolor=navy face="Courier New"><span style='font-family:"Courier New";color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p><p class=MsoAutoSig><font size=3 color=navy face="Courier New"><spanstyle='font-size:12.0pt;font-family:"Courier New";color:navy'>---------------------------------------------</span></font><fontcolor=navy face="Courier New"><span style='font-family:"Courier New";color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p><p class=MsoAutoSig><font size=3 color=navy face="Courier New"><spanstyle='font-size:12.0pt;font-family:"Courier New";color:navy'>SOMATEC -Software fr Maschinensteuerungen</span></font><font color=navyface="Courier New"><span style='font-family:"Courier New";color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p><p class=MsoAutoSig><font size=3 color=navy face="Courier New"><spanstyle='font-size:12.0pt;font-family:"Courier New";color:navy'>undAutomatisierungstechnik GbR</span></font><font color=navy face="Courier New"><spanstyle='font-family:"Courier New";color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p><p class=MsoAutoSig><font size=3 color=navy face="Courier New"><spanstyle='font-size:12.0pt;font-family:"Courier New";color:navy'><![if !supportEmptyParas]> <![endif]></span></font><fontcolor=navy face="Courier New"><span style='font-family:"Courier New";color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p><p class=MsoAutoSig><font size=3 color=navy face="Courier New"><spanstyle='font-size:12.0pt;font-family:"Courier New";color:navy'>Jagdweg 7a</span></font><fontcolor=navy face="Courier New"><span style='font-family:"Courier New";color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p><p class=MsoAutoSig><font size=3 color=navy face="Courier New"><spanstyle='font-size:12.0pt;font-family:"Courier New";color:navy'>D-82041Deisenhofen</span></font><font color=navy face="Courier New"><spanstyle='font-family:"Courier New";color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p><p class=MsoAutoSig><font size=3 color=navy face="Courier New"><spanstyle='font-size:12.0pt;font-family:"Courier New";color:navy'><![if !supportEmptyParas]> <![endif]></span></font><fontcolor=navy face="Courier New"><span style='font-family:"Courier New";color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p><p class=MsoAutoSig><font size=3 color=navy face="Courier New"><spanstyle='font-size:12.0pt;font-family:"Courier New";color:navy'>Telefon :<spanstyle="mso-spacerun: yes">  </span>(089) 613 984 94</span></font><fontcolor=navy face="Courier New"><span style='font-family:"Courier New";color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p><p class=MsoAutoSig><font size=3 color=navy face="Courier New"><span lang=FRstyle='font-size:12.0pt;font-family:"Courier New";color:navy;mso-ansi-language:FR'>Fax :<span style="mso-spacerun: yes">     </span>(089) 613 981 23</span></font><font color=navy face="Courier New"><spanlang=FR style='font-family:"Courier New";color:navy;mso-color-alt:windowtext;mso-ansi-language:FR'><o:p></o:p></span></font></p><p class=MsoAutoSig><font size=3 color=navy face="Courier New"><span lang=FRstyle='font-size:12.0pt;font-family:"Courier New";color:navy;mso-ansi-language:FR'>Email :<span style="mso-spacerun: yes">    </span></span></font><fontcolor=navy face="Courier New"><span style='font-family:"Courier New";color:navy'><a href="mailto:Bernhardt@somatec.de"><span lang=FRstyle='mso-ansi-language:FR'>Bernhardt@somatec.de</span></a></span></font><fontcolor=navy face="Courier New"><span lang=FR style='font-family:"Courier New";color:navy;mso-color-alt:windowtext;mso-ansi-language:FR'><o:p></o:p></span></font></p><p class=MsoAutoSig><font size=3 color=navy face="Courier New"><spanstyle='font-size:12.0pt;font-family:"Courier New";color:navy'>homepage : <ahref="http://www.somatec.com/">www.somatec.com</a></span></font><fontcolor=navy face="Courier New"><span style='font-family:"Courier New";color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p><p class=MsoAutoSig><font size=3 color=navy face="Courier New"><spanstyle='font-size:12.0pt;font-family:"Courier New";color:navy'>---------------------------------------------</span></font><fontcolor=navy face="Courier New"><span style='font-family:"Courier New";color:navy;mso-color-alt:windowtext'><o:p></o:p></span></font></p><p class=MsoNormal><span class=EmailFormatvorlage17><font size=2 color=navyface=Arial><span lang=EN-GB style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial;mso-ansi-language:EN-GB'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></span></p><p class=MsoNormal><span class=EmailFormatvorlage17><font size=2 color=navyface=Arial><span lang=EN-GB style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial;mso-ansi-language:EN-GB'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></span></p><p class=MsoNormal style='margin-left:35.4pt'><font size=2 color=blackface=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;color:black'>-----UrsprnglicheNachricht-----
<b><span style='font-weight:bold'>Von:</span></b> vicr@hq.lindsayelec.com[mailto:vicr@hq.lindsayelec.com]
<b><span style='font-weight:bold'>Gesendet:</span></b> Freitag, 13. Juni 200321:51
<b><span style='font-weight:bold'>An:</span></b> VEE vrf
<b><span style='font-weight:bold'>Betreff:</span></b> [vrf] GPIB slowdown</span></font></p><p class=MsoNormal style='margin-left:35.4pt'><font size=3face="Times New Roman"><span style='font-size:12.0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></p><p class=MsoNormal style='margin-left:35.4pt'><font size=3 color=blackface=Arial><span lang=EN-GB style='font-size:12.0pt;font-family:Arial;color:black;mso-ansi-language:EN-GB'>Hello All,</span></font><font color=black><spanlang=EN-GB style='color:black;mso-color-alt:windowtext;mso-ansi-language:EN-GB'><o:p></o:p></span></font></p><p class=MsoNormal style='margin-left:35.4pt'><font size=3 color=blackface="Times New Roman"><span lang=EN-GB style='font-size:12.0pt;color:black;mso-ansi-language:EN-GB'> </span></font><font color=black><spanlang=EN-GB style='color:black;mso-color-alt:windowtext;mso-ansi-language:EN-GB'><o:p></o:p></span></font></p><p class=MsoNormal style='margin-left:35.4pt'><font size=3 color=blackface=Arial><span lang=EN-GB style='font-size:12.0pt;font-family:Arial;color:black;mso-ansi-language:EN-GB'>I recently started using Vee to run anHP8753D over GPIB.</span></font><font color=black><span lang=EN-GBstyle='color:black;mso-color-alt:windowtext;mso-ansi-language:EN-GB'><o:p></o:p></span></font></p><p class=MsoNormal style='margin-left:35.4pt'><font size=3 color=blackface="Times New Roman"><span lang=EN-GB style='font-size:12.0pt;color:black;mso-ansi-language:EN-GB'> </span></font><font color=black><spanlang=EN-GB style='color:black;mso-color-alt:windowtext;mso-ansi-language:EN-GB'><o:p></o:p></span></font></p><p class=MsoNormal style='margin-left:35.4pt'><font size=3 color=blackface=Arial><span lang=EN-GB style='font-size:12.0pt;font-family:Arial;color:black;mso-ansi-language:EN-GB'>I can transfer trace data but it isincredibly slow (around 12 seconds for 201 datapoints (~1600bytes))</span></font><fontcolor=black><span lang=EN-GB style='color:black;mso-color-alt:windowtext;mso-ansi-language:EN-GB'><o:p></o:p></span></font></p><p class=MsoNormal style='margin-left:35.4pt'><font size=3 color=blackface="Times New Roman"><span lang=EN-GB style='font-size:12.0pt;color:black;mso-ansi-language:EN-GB'> </span></font><font color=black><spanlang=EN-GB style='color:black;mso-color-alt:windowtext;mso-ansi-language:EN-GB'><o:p></o:p></span></font></p><p class=MsoNormal style='margin-left:35.4pt'><font size=3 color=blackface=Arial><span lang=EN-GB style='font-size:12.0pt;font-family:Arial;color:black;mso-ansi-language:EN-GB'>When I use the query function of NationalInstruments GPIB "explorer" to transfer trace data, the data isreceived virtually instantaneously. From this I conclude that all hardware isworking correctly.</span></font><font color=black><span lang=EN-GBstyle='color:black;mso-color-alt:windowtext;mso-ansi-language:EN-GB'><o:p></o:p></span></font></p><p class=MsoNormal style='margin-left:35.4pt'><font size=3 color=blackface="Times New Roman"><span lang=EN-GB style='font-size:12.0pt;color:black;mso-ansi-language:EN-GB'> </span></font><font color=black><spanlang=EN-GB style='color:black;mso-color-alt:windowtext;mso-ansi-language:EN-GB'><o:p></o:p></span></font></p><p class=MsoNormal style='margin-left:35.4pt'><font size=3 color=blackface=Arial><span lang=EN-GB style='font-size:12.0pt;font-family:Arial;color:black;mso-ansi-language:EN-GB'>Are there any common beginner mistakesthat could account of this incredibly slow data transfer under Vee?</span></font><fontcolor=black><span lang=EN-GB style='color:black;mso-color-alt:windowtext;mso-ansi-language:EN-GB'><o:p></o:p></span></font></p><p class=MsoNormal style='margin-left:35.4pt'><font size=3 color=blackface="Times New Roman"><span lang=EN-GB style='font-size:12.0pt;color:black;mso-ansi-language:EN-GB'> </span></font><font color=black><spanlang=EN-GB style='color:black;mso-color-alt:windowtext;mso-ansi-language:EN-GB'><o:p></o:p></span></font></p><p class=MsoNormal style='margin-left:35.4pt'><font size=3 color=blackface=Arial><span lang=EN-GB style='font-size:12.0pt;font-family:Arial;color:black;mso-ansi-language:EN-GB'>Best Regards,</span></font><fontcolor=black><span lang=EN-GB style='color:black;mso-color-alt:windowtext;mso-ansi-language:EN-GB'><o:p></o:p></span></font></p><p class=MsoNormal style='margin-left:35.4pt'><font size=3 color=blackface="Times New Roman"><span lang=EN-GB style='font-size:12.0pt;color:black;mso-ansi-language:EN-GB'> </span></font><font color=black><spanlang=EN-GB style='color:black;mso-color-alt:windowtext;mso-ansi-language:EN-GB'><o:p></o:p></span></font></p><p class=MsoNormal style='margin-left:35.4pt'><font size=3 color=blackface=Arial><span lang=EN-GB style='font-size:12.0pt;font-family:Arial;color:black;mso-ansi-language:EN-GB'>Vic Race</span></font><font color=black><spanlang=EN-GB style='color:black;mso-color-alt:windowtext;mso-ansi-language:EN-GB'><o:p></o:p></span></font></p><p class=MsoNormal style='margin-left:35.4pt'><font size=3 color=blackface="Times New Roman"><span lang=EN-GB style='font-size:12.0pt;color:black;mso-ansi-language:EN-GB'> </span></font><font color=black><spanlang=EN-GB style='color:black;mso-color-alt:windowtext;mso-ansi-language:EN-GB'><o:p></o:p></span></font></p><p class=MsoNormal style='margin-left:35.4pt'><font size=3 color=blackface=Arial><span lang=EN-GB style='font-size:12.0pt;font-family:Arial;color:black;mso-ansi-language:EN-GB'>Lindsay Electronics
50 Mary St. W.
Lindsay, ON, K9V 4S7
Voice: 705-324-2196 Ext. 241
Fax: 705-324-5474
</span></font><font color=black face=Arial><span style='font-family:Arial;color:black'><a href="http://www.lindsayelec.com"><span lang=EN-GBstyle='mso-ansi-language:EN-GB'>www.lindsayelec.com</span></a></span></font><fontcolor=black><span lang=EN-GB style='color:black;mso-color-alt:windowtext;mso-ansi-language:EN-GB'><o:p></o:p></span></font></p><p class=MsoNormal style='margin-left:35.4pt'><font size=3 color=blackface="Times New Roman"><span lang=EN-GB style='font-size:12.0pt;color:black;mso-ansi-language:EN-GB'> </span></font><font color=black><spanlang=EN-GB style='color:black;mso-color-alt:windowtext;mso-ansi-language:EN-GB'><o:p></o:p></span></font></p><p class=MsoNormal style='margin-left:35.4pt'><font size=3 color=blackface="Times New Roman"><span lang=EN-GB style='font-size:12.0pt;color:black;mso-ansi-language:EN-GB'> </span></font><font color=black><spanlang=EN-GB style='color:black;mso-color-alt:windowtext;mso-ansi-language:EN-GB'><o:p></o:p></span></font></p><p class=MsoNormal style='margin-left:35.4pt'><font size=3 color=blackface="Times New Roman"><span lang=EN-GB style='font-size:12.0pt;color:black;mso-ansi-language:EN-GB'> </span></font><font color=black><spanlang=EN-GB style='color:black;mso-color-alt:windowtext;mso-ansi-language:EN-GB'><o:p></o:p></span></font></p><p class=MsoNormal style='margin-left:35.4pt'><font size=3 color=blackface="Times New Roman"><span lang=EN-GB style='font-size:12.0pt;color:black;mso-ansi-language:EN-GB'> </span></font><font color=black><spanlang=EN-GB style='color:black;mso-color-alt:windowtext;mso-ansi-language:EN-GB'><o:p></o:p></span></font></p></div>---<BR>You are currently subscribed to vrf as: rsb@soco.agilent.com<BR>To subscribe send a blank email to "join-vrf@it.lists.it.agilent.com".<BR>To unsubscribe send a blank email to "leave-vrf@it.lists.it.agilent.com".<BR>To send messages to this mailing list,  email "vrf@it.lists.it.agilent.com".  <BR>If you need help with the mailing list send a message to "owner-vrf@it.lists.it.agilent.com".</BODY></html>  

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