GE Industrial Solutions CPS6000 - Manual (Page 90)

CPS6000 –48V Indoor/Outdoor Power Shelf
Issue 21 January 2008
90
7A QS840A System Controller
Overview
The QS840A Controller provides system monitoring and control features, as well as office
alarm outputs from rectifiers, LVD boards, and remote modules. This section describes the
controller features, functions and alarms.
Controls and Display
Figure 7-1 shows the front panel controls and display of the controller.
Figure 7-1: QS840A Controller Faceplate
The backlight of the four-line LCD display changes color to reflect the system alarm status as
follows:
Green Normal
Amber Minor Alarms Present
Red Major Alarms Active
The up and down arrow keys can be used to adjust screen contrast when the controller is
displaying the default screen. Contrast adjustment is also available through the menus at
Menu>Configuration>System Settings. At the default menu, the left and right arrows are also
used to toggle the display from displaying the system voltage or the system load current.
Otherwise, the left and right arrow keys are used to navigate the menus and the up and down
arrow keys are used to change values when configuring the system. A black box highlighting
a menu item indicates that the item has sub-menus.