CyberPower PDU20SW8RNET User Manual download pdf (Page 36)

 Energy Saving: When the utility power fails, the batteries will start discharging. If this option is enabled and there

is no output load, the UPS, will shut down to save battery power after discharging for 5 minutes. The UPS will

restart automatically and restore output after the utility power is restored.

 Low Battery Threshold: When the UPS supplies battery power and the remaining capacity are lower than this

threshold, the UPS will sound an alarm.

 Battery Pack Type: Sets the type of extended battery packs. When the UPS is installed the standard battery

packs, Agent has capability of measurement the runtime according to the capacity of the battery packs. The option

should be set Standard. When the UPS is installed the customized battery packs, the option should be set

Customization.

 Periodical Battery Test: The UPS will periodically perform the battery test to ensure the batteries are fully

functional.

Note: Only online UPS models supports the SBM (Smart Battery Management) function. After batteries are fully

charged, the SBM function will invoke a battery test to verify the batteries are healthy.

 Extended Battery Pack: Sets the amount of extended battery packs. This allows for an accurate runtime estimate

based upon the total number of batteries.

 Boost Charge Period: Sets the period for UPS batteries being boost charged automatically and periodically.

 Discharge Duration Limit: Sets the duration to limit the battery discharging to avoid a deep discharge

excessively.

System

 Cold Start: Sets the ability of the UPS to start in the absence of input power. When this option is enabled the UPS

can be turned on without having input power.

 Short Circuit Recovery Detect: When the output of the UPS causes a short circuit, the output will turn off

immediately. If this option is enabled, the UPS will inspect the circumstance of the short circuit 3 times in 30

seconds. If the short circuit is no longer present, the UPS will restore power. If the circumstance of the short circuit

still remains, the UPS will not supply power.

 Utility Power Failure Alarm: If this option is enabled, the UPS will issue an audible alarm when the utility power

fails.

 Overload Alarm Threshold: When the output load exceeds this threshold, the UPS will issue an audible alarm.

 Generator Mode: If the UPS is using a generator for its input power, this option should be enabled for UPS to

function normally. If this option is enabled, the UPS will be forbidden to enter bypass mode to protect the powered

equipment.

Caution: If this option is enabled, the UPS can’t function in the Manual Bypass mode.

 LCD Back-light Saving: When no UPS button is pressed or no power event occurs during this delay, the LCD

screen will be turned off.

 Wiring Fault Detecting: If this option is enabled, the UPS will detect if the UPS wiring is not grounded or reversed.

It is recommended to assure the UPS wiring has ground connection first. This option should be enabled if the UPS

wiring has ground connection.

 Dry Relay Function: This configures the power condition for the UPS dry relay to function when the selected

condition occurs. Refer to UPS manual for further information about advanced UPS dry relay utilization. The Dry

Relay Function provides the following power conditions:

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CyberPower PDU20SW8RNET User Manual Page 36