Dionex As, Operator'S Manual

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2 • Description
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In Automatic mode, you create a list of samples (a sequence) to be
processed automatically. The sequence defines a series of vials to be
sampled and the AS operating parameters to run on each vial. The
sequence is similar to a front panel schedule (see
Section 2.5.1 ),
For instructions on how to connect the AS to Chromeleon or Chromeleon
Xpress, see
Section 3.2.1 . For an overview of how to operate the
autosampler using Chromeleon or Chromeleon Xpress, see Section 3.2.2 .
For detailed instructions, refer to the Chromeleon Help or Chromeleon
Xpress.
2.6 System Wellness and Predictive Performance
The Chromeleon System Wellness panels provide easy access to the
autosampler’s built-in diagnostic and calibration features. You can use the
Wellness panels to perform the following tasks:
•
Calibrate the inject port tubing volume
•
Align the sampling needle in the inject port
•
Calibrate and test the leak sensor
•
Monitor usage of replaceable parts (see the description of Predictive
Performance below)
Wellness panels for calibrating the inject port tubing, aligning the sampling
needle, and monitoring usage of parts are available on the Control panel (see
Figure 2-13 ). A separate panel is available for calibrating and testing the leak
sensor (see Section 5.11 ).
NOTE You can also perform System Wellness tasks from the
front panel screens. See Appendix D for details.
The Chromeleon Predictive Performance feature provides functions for
monitoring the lifetime of replaceable parts and for planning and recording
service procedures. You can use the Chromeleon Predictive Performance feature
to perform the following tasks:
•
Monitor how many times a part has been used since it was last replaced.
Chromeleon monitors usage of the following AS parts: injection valve,
diverter valve, XYZ sampling needle arm, sampling needle assembly, needle
seal assembly, sample syringe, and prep syringe.