APC Battery Management System manual Configuration menu

Battery Management System

USER’S GUIDE

®

Configuration menu

Battery Type Selection. Choose nickel-cadmium or lead-acid batteries. Battery Configuration.

Charger Type (Silcon/	A Silcon unit can have two strings per battery management
Other)	master unit. Other requires a battery management master unit
	for each new string.
Number of Strings	The number of strings in the system. Silcon may have two
	battery strings, all other systems will have one.
Number of Batteries	The number of batteries in each string in the system. The
per String	maximum number of batteries per string is 244 lead-acid
	batteries or 375 nickel-cadmium batteries for a non-APC
	Silcon UPS..
Number of Cells per	The number of cells per battery for nickel-cadmium batteries
Battery	is 1 or 2. The number of cells per battery for lead-acid
	batteries is 1, 2, 4, or 6.
Monitor Wire Length	Choose either >50 feet or <50 feet.
Cell Max Voltage	The maximum recommended voltage per individual battery
Limit	cell. This number multiplied by the total number cells in a
	string equals the alarm value for the string. A charger alarm
	occurs if the string voltage exceeds the alarm value.
Cell Min Voltage Limit	The minimum recommended voltage per individual battery
	cell. This number multiplied by the number of total cells in a
	string equals the alarm value for the string. A charger alarm
	occurs if the string voltage falls below the alarm value.
Battery Capacity	Enter battery capacity in amp-hours for reference. The amp-
	hour capacity of a battery should be clearly marked on the
	actual battery.

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