ThermoQuest/Thermo Scientific TRACE GC (2000/Ultra): ApplicationCommands and Tips for Thermo Scientific
Devices
ThermoQuest/Thermo Scientific TRACE GC (2000/Ultra): Application
General
The TRACE GC (2000/Ultra) uses a packet-oriented, binary data format to communicate with the PC via the RS-232 interface. When the GC is connected in Chromeleon, Chromeleon enables remote mode for the GC and locks the GC keypad. When Chromeleon terminates the connection to the GC, the GC switches back to local mode after 30 seconds.
The GC will not start communication by itself; it will only respond to commands and requests sent by Chromeleon.
Sampler
Using the AS2000 autosampler with the GC: If a sample vial is missing at the position specified in the sequence, the autosampler treats this as a Blank Run Sample (refer to the AS2000 manual, page 118). However, the sequence is not stopped.
If the GC is waiting for an inject response from the autosampler and suddenly becomes Not Ready due to gas supply or flow problems, an error message appears and the sequence is stopped.