About Auxiliary Device Contacts; About The 24V Auxiliary Device Power Supply; About Auxiliary Columns - Agilent Technologies 7890 Series Advanced Operation Manual

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Auxiliary Devices

About Auxiliary Device Contacts

About the 24V Auxiliary Device Power Supply

About Auxiliary Columns

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To use the cryo trap during a run:
Press [Aux Temp #] and scroll to the zone you wish to
1
control. Press [Enter].
Scroll to Temperature. Press [On/Off] to turn the zone on or
2
off, as desired (typically, On).
Scroll to Cold Trap Temperature. Enter a value and press
3
[Enter].
Press [Run Table].
4
Press [Mode/Type].
5
Scroll to Cryo trap. Press [Enter] to add a cryo trap event
6
to the run table.
Enter a value for the Time: and press [Enter]. Scroll to
7
Cryo trap cooling and press [On/Yes] to turn it on.
This event sets the cryo trap temperature to the Cold Trap
Temperature setpoint. The trap remains at this temperature
until another event turns it off, or until the run ends.
Enter another Cryo Trap event to turn the trap temperature
8
Off at the desired run time.
This event sets the cryo trap to track the oven
temperature + 10 °C for the remainder of the run.
These contacts are controlled by the external valve drivers.
See "The external valve drivers"
This is controlled by the external valve drivers. See
external valve drivers"
Defines up to 6 columns (includes Col 1 and Col 2).
Press [Config][Aux Col #] and enter a column number. Press
1
[Enter].
2 Define/configure the column.
on page 218.
on page 218.
Advanced Operation Manual
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