9 Configuring the
ASX
PRESS PLUS System
NOTE
After changing any parameters, you must click the "Save Configuration to
ASXpress+" button to copy the parameters to the electronics module.
Adjusting a value in the Xpress Configuration Tool window does not
immediately change the value used by the ASXPRESS PLUS system.
Timing Parameters
The following chart lists the available user-adjustable parameter fields within
the Xpress Configuration Tool.
Parameter Function
Loop Wash Time
The amount of time to evacuate the loop with air (without
Extra Loop Rinse) or rinse solution (with Extra Loop Rinse
enabled) before moving to the next sample.
This time setting provides delay time before the next sample is
loaded. The 6-port valve is retained in the “load” position. In
Air Purge mode, the probe remains in the up position while the
vacuum pump is running. This delay time allows for additional
purging of the sample loop and uptake path.
Rinse Evacuation
Delay
In Extra Loop Rinse mode, the time taken to remove rinse
solution from the loop before moving to the next sample.
The Loop Wash time plus the Rinse Evacuation Delay comprise
the total delay time before the next sample is loaded (the pre-
load delay).
Not used when Extra Loop Rinse is disabled.
Loop Load
After a command is processed by the autosampler to move to
a sample position, the 6-port valve is switched to the “load”
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