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XCell™ Lab Controller
User Guide
37 repligen.com XC-LAB-UG-V4
7.8.14
Algorithm pop-ups
Figure 28. ATF-A Algorithm pop-up example
Clicking the
Algorithm
button displays a pop-up (
), which shows various flow/pressure
signals while the controller is running. This screen displays various signals and messages. It is not
advisable to judge the algorithm performance without significant training and experience since the
data can be misinterpreted. This screen is used by Repligen FAS during troubleshooting. Please
consult a Repligen FAS if you suspect your XCell ATF® Devices are not working satisfactorily.
Note (for control engineers):
A suitable comparison would be to consider the algorithm to be a series
or matrix of PID algorithms combined in some interrelated relationship throughout the pump
cycle, with the calculations or conclusions from these interactions displayed here. Tuning the
algorithm is non-trivial.
You can display one or both algorithm pop-ups at the same time, and easily switch between them.
You may touch the screen or use the touchpad to move the pop-ups around. You do not need to exit
the pop-ups (by clicking X) each time. If you navigate to the Main menu, the algorithm pop-ups will
close automatically.
Note:
If you have a question or issue, take a photo or video of one or both pop-ups to facilitate
resolution.
Figure 29. ATF-A and ATF-B algorithm pop-ups