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Major Components
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3.0 MAJOR COMPONENTS
3.1 Branch Circuit Monitoring Control Board (BCB)
The BCB is the main processing and storage circuit board of the Liebert LDM. It is a DSP-based logic
controller with internal flash memory and non-volatile memory. The BCB also includes a battery-
backed real time clock.
One of the power parameters, kilowatt-hours (kWh)
, data is accumulated on this board for the panel-
board mains, subfeeds and each branch circuit breaker. A Modbus command is provided to reset all
accumulated power usage.