Agilent 5890 4 Troubleshooting
4 Troubleshooting
Configuration for two independent detectors
Independent (isothermal) data acquisition on two independent detectors
can be used only with analog data acquisition (using A/D convertor). It
cannot be used with digital data acquisition.
Why there is no data coming from the GC once Start has been pressed?
Most probably you have set the setting to Local Mode instead of Global
Mode. "GC Chromatograph setup" on page3 for more details.
4.1 Commdrv.ini utility
It is possible to record the communication between Clarity and the device.
To activate the recording and specify a file for storing the communication
set the COMx key(s) with following parameters in the COMMDRV.INI file
located in the Clarity installation folder:
[COM1]
echo=On
textmode=on
filename=CommDrv_%D.txt
reset=off
Note: The file can be edited by any text editor (Notepad).
Note: Separate entries can be specified for each Com port.
Note: %D (or %d) in the filename parameter means that the log will be created
separately for each day. The reset=off parameter disables deleting the
content of the log each time the station is started during the same day.
Echo
Off (default) - no communication will be recorded.
Filename
The file where the communication should be stored. If the path is not
specified the file will be stored in the same folder like the COMMDRV.INI
file.
Not received or unrecognized replies will be recorded as “Timeout on
Com line”
The created log file can be viewed in any text editor.
Note: The record is very helpful for troubleshooting the communication between
Clarity and the device.
Reset
On - will erase the log each time the station is restarted (otherwise the log
can increase substantially after some time)
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