APC Battery Management System User Manual download pdf (Page 35)

USER’S GUIDE

Battery Management System

Temperature Configuration.

Alarm Configuration.

Maximum Pilot

Temperature Limit

The maximum surface temperature of the pilot battery in

the string (the battery to which the pilot temperature sensor

is attached). Because the Battery Management System

equalizes the charge for all batteries in the string, the

temperature of the pilot battery is likely to be typical of

other batteries in the string. For example, an overheated

pilot battery would probably indicate overcharging

throughout the string.

Maximum Ambient

Temperature Limit

The maximum and minimum allowable temperature of the

air surrounding the batteries. See the specifications for

your batteries before changing this value.

Minimum Ambient

Temperature Limit

Ripple Current Limit

Ripple current limit is the allowable AC

measurement in the battery string. The default

setting is 5 A for every 100 amp-hour of capacity.

Charge Current Limit

Percentage of change in the response current

measurement that is allowed before an alarm is

indicated.

Discharge Voltage Limit

The percentage of the lowest individual battery

discharge voltage that is allowed relative to the

other batteries in the string.

Automatic Annuciator Reset

When enabled, the external annunciator devices

will reset automatically when the condition of an

alarm clears. When disabled, the alarm must be

reset manually.

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APC Battery Management System User Manual Page 35