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XCell™ Lab Controller
User Guide
35 repligen.com XC-LAB-UG-V4
scale-up and process knowledge, the Supervisor or Engineer may choose to limit all users to a range
of 140-180 mL/min, for instance, by specifying those as min and max flow values.
You would likely not need to change the pump displacement value. The displacement value is
integrated in the control algorithm; therefore, we recommend consultation with your local FAS,
prior to editing. Modifications to the pump displacement value can cause some variations in
performance.
7.8.11
General configuration
Figure 26. General configuration example
The General configuration menu (
allows customization of date and time formats, pressure
units, auto logout and auto restart settings.
Note:
The displayed units can be changed by the user, but the permanent logged data cannot.
Auto logout
is turned off by default. It is the preferred default setting for a Lab environment. If you
have multiple users in the facility and are concerned about accidental changes, we would advise you
to turn on this security feature by choosing 1 Minute or 10 Minutes. Enabling auto logout requires
the use of a password to log back in after the specified time period.
The auto restart is a useful feature to manage an accidental power outage. The controller displays an
alarm when the power is lost unexpectedly. If
Auto Restart
is enabled, when power is restored, the
controller re-starts and continues to run with the settings used previously. This feature is useful only
if your bioreactor also re-starts, and the duration of the power outage is small. If you prefer to have
the equipment re-started manually after a power loss, you should turn
Auto restart
OFF.