GE Industrial Solutions GPS 4812_24 - Manual (Page 61)

Galaxy Power System 4812/24
Issue 9 Januray 2008 Circuit Boards 8 - 1
8 Circuit Boards
Overview
Function Circuit boards (sometimes referred to as “cards”) are included in the
battery connection and dc distribution panels to provide data required by
the controller.
Terminal Boards Terminal boards are used to provide shunt voltage data to the controller,
where it is used to calculate current. Terminal boards located on the
battery connection panels provide data that is used to calculate battery
current; data from terminal boards located on the dc distribution panels
is used to calculate load current.
Alarm Boards Alarm boards perform two functions:
• monitor panel functions and activate local indicators when faults
occur on the panel
• provide alarm data to the controller
Alarm/Terminal
Boards
Alarm/terminal boards combine the functions of alarm boards and
terminal boards.
BLJ Terminal
Board
The BLJ terminal board is located inside the cabinet door. The BLJ is
the termination point for all signal cables in each cabinet and between
cabinets.