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data from hp3852a data acquisition system with hp e2050a lan gateway

Question asked by klingenberg on Jan 14, 1999
<!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 HTML//EN"><HTML><HEAD><META content=text/html;charset=iso-8859-1 http-equiv=Content-Type><META content='"MSHTML 4.72.3110.7"' name=GENERATOR></HEAD><BODY bgColor=#ffffff><DIV><DIV><FONT color=#000000><FONT face="Courier New"><FONT size=2>Hello All,</FONT></FONT></FONT><FONT size=2><FONT face="Courier New"></FONT></FONT></DIV><DIV><FONT color=#000000><FONT face="Courier New"><FONT size=2></FONT></FONT></FONT><FONT size=2><FONT face="Courier New"></FONT></FONT> </DIV><DIV><FONT face="Courier New"><FONT size=2>I use HP VEE 5.01 on Microsoft Windows NT platform. The PC is placed in a BUS network with 8 LAN/HP-IB gateways on different places ( the LAN cable is about 300 meter). On 6 gateways I have a HP34970A data acquisition system and on 2 of them, there are HP3852A DAC systems. </FONT></FONT><FONT size=2><FONT face="Courier New">A lot off volt, resistence, temperature and frequencie measurements we sampled on this 8 systems. The sample time is about 20 seconds.</FONT></FONT></DIV><DIV><FONT face="Courier New"><FONT size=2></FONT></FONT><FONT size=2><FONT color=#000000>I have worked with this total configuration about 2 months and I have marked that the HP3852A systems give about two or three times a day the next error message:</FONT></FONT></DIV><DIV><FONT color=#000000><FONT size=2></FONT></FONT><FONT size=2></FONT> </DIV><DIV><FONT size=2>Vee error code # 811</FONT></DIV><DIV><FONT size=2>I/O error or timeout occurred with HP-IB interface at 7. An excessive timout period may indicate a LAN failure to E2050Axxx. Possible host faillure, physical connection loss or router faillure.</FONT></DIV><DIV><FONT size=2></FONT> </DIV><DIV><FONT face="Courier New"><FONT size=2></FONT></FONT><FONT size=2></FONT> </DIV><DIV><FONT color=#000000><FONT size=2>This happens only by the two HP3852A systems. The HP34970A systems worked perfect.</FONT></FONT><FONT size=2></FONT></DIV><DIV><FONT size=2>In HPVEE Instrument manager is the timeout (sec) for the HP3852A systems set to 60, live mode ON and byte ordening to MSB.</FONT></DIV><DIV><FONT size=2></FONT> </DIV><DIV><FONT face="Courier New"><FONT size=2>I appreciate any help to solve it.</FONT></FONT><FONT size=2><FONT face="Courier New"></FONT></FONT></DIV><DIV><FONT face="Courier New"><FONT size=2></FONT></FONT><FONT size=2><FONT face="Courier New"> </FONT></FONT></DIV><DIV><FONT face="Courier New" size=2>Best Regards,</FONT></DIV><DIV><FONT face="Courier New" size=2></FONT> </DIV><DIV><FONT face="Courier New" size=2>Jan Klingenberg</FONT></DIV><DIV><FONT face="Courier New" size=2>Gasunie The Netherlands</FONT></DIV><DIV><FONT face="Courier New" size=2><A href=""></A></FONT></DIV><DIV><FONT face="Courier New" size=2>or</FONT></DIV><DIV><FONT face="Courier New" size=2><A href=""></A></FONT></DIV><DIV><FONT face="Courier New" size=2></FONT> </DIV></DIV></BODY></HTML>