Chemstation pre-run command/macro

Hello,

Below is a macro that you should be able to use for this purpose. This was written for valve 1, but can be adapted for other valves. The macro should turn on the designated valve for 15 seconds, and then turn it off and wait 10 seconds for the pressure in the loop to come down to atmospheric pressure. Then the GC will start.

Name valve1

If _OFFLINE=0 Then

  If _InstType$="68GC" then 

  Writemodule "68GC","V1SW 1"

  Sleep 15

  Writemodule "68GC","V1SW 0"

  Sleep 10

  EndIf

  If _InstType$="78GC" Then

   While acqstatus$ <>"PRERUN"

     Sleep 5

   EndWhile

    SetHardWareItemInt 1,"Valve.1.setpoint",1

    Sleep 15

    SetHardWareItemInt 1,"Valve.1.setpoint",0

    Sleep 10

   EndIf

EndIf

endmacro

Hello,

Thank you for very quick reply ! :-)

The macro example you published work perfectly for my purpose.

Do you know where I can find other chemstation macro commands, or even better, similar pre-run or post-run macro examples?

With kind regards -

Lars Kürstein

Hello,

Thank you for very quick reply ! :-)

The macro example you published work perfectly for my purpose.

Do you know where I can find other chemstation macro commands, or even better, similar pre-run or post-run macro examples?

With kind regards -

Lars Kürstein

Hello,

That is great news that the macro worked for you! Unfortunately, there are not very many resources available for creating macros in ChemStation. The best resource I can point you to is the Macro Programming Guide for RC.NET Drivers in OpenLab CDS ChemStation. This can be found on disk 2 of your installation media at \Docs\ENU\MacroProgrammingGuideRCNet.pdf.