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doc:sysadmin:hardware:calibration_of_apc_accumulators [d.m.Y H:i] – dbehterevdoc:sysadmin:hardware:calibration_of_apc_accumulators [d.m.Y H:i] (текущий) – Статус обсуждения изменён dbehterev
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 Background: An APC Smart-UPS has a microprocessor which calculates runtime primarily based on the load attached to the UPS and on its battery capacity. On the right side of the front display panel there is a vertical graph of five LEDs. Each LED is an indication of battery charge in increments of twenty percent: 20, 40, 60, 80, 100% (bottom to top). For example, if the battery charge is 95%, then only four of the five LEDs are illuminated. To ensure that an operating system receives a graceful shutdown when using PowerChute plus or a SmartSlot accessory, an alert is generated by the Smart-UPS indicating that the UPS has reached a low battery condition. The alert is audible (rapid beeping), visual (flashing battery LED or LEDs), and readable through the graphical interface of PowerChute software (or a native UPS shutdown program within a particular operating system.) In order to calculate this "low battery condition," all Smart-UPS products have a preconfigured low battery signal warning time of two minutes (this is the factory default setting). There are a total of four user-changeable settings: 2, 5, 7, or 10 minutes. If the low battery signal warning time is set for 2 minutes, then the alerts will activate simultaneously two minutes prior to shutdown. Similarly, if the total runtime for a particular UPS is 30 minutes with a low battery signal warning time set at 10 minutes, then the UPS will run on battery for 20 minutes before the low battery alert begins. Total runtime is primarily based on two factors, battery capacity and UPS load. UPS load and runtime on battery are inversely proportional: as load increases, battery runtime decreases and vice versa. When utility power is lost, the UPS begins discharging the battery in order to support the attached load. Once power returns, the Smart-UPS will automatically begin to recharge its battery. Background: An APC Smart-UPS has a microprocessor which calculates runtime primarily based on the load attached to the UPS and on its battery capacity. On the right side of the front display panel there is a vertical graph of five LEDs. Each LED is an indication of battery charge in increments of twenty percent: 20, 40, 60, 80, 100% (bottom to top). For example, if the battery charge is 95%, then only four of the five LEDs are illuminated. To ensure that an operating system receives a graceful shutdown when using PowerChute plus or a SmartSlot accessory, an alert is generated by the Smart-UPS indicating that the UPS has reached a low battery condition. The alert is audible (rapid beeping), visual (flashing battery LED or LEDs), and readable through the graphical interface of PowerChute software (or a native UPS shutdown program within a particular operating system.) In order to calculate this "low battery condition," all Smart-UPS products have a preconfigured low battery signal warning time of two minutes (this is the factory default setting). There are a total of four user-changeable settings: 2, 5, 7, or 10 minutes. If the low battery signal warning time is set for 2 minutes, then the alerts will activate simultaneously two minutes prior to shutdown. Similarly, if the total runtime for a particular UPS is 30 minutes with a low battery signal warning time set at 10 minutes, then the UPS will run on battery for 20 minutes before the low battery alert begins. Total runtime is primarily based on two factors, battery capacity and UPS load. UPS load and runtime on battery are inversely proportional: as load increases, battery runtime decreases and vice versa. When utility power is lost, the UPS begins discharging the battery in order to support the attached load. Once power returns, the Smart-UPS will automatically begin to recharge its battery.
  
 +Т.е. вкратце:
 +  - убедиться, что ИБП заряжался не менее 24ч от сети эл. тока
 +  - отключить дата-кабель от компьютера
 +  - подключить к-л. нагрузку, стабильно нагружающую ИБП не менее 30%
 +  - отключить ИБП от сети эл. тока
 +  - дать ему полностью разрядиться
 +Это один из подходов к калибровке. Другой подход состоит в том, чтобы воспользоваться штатной утилитой APC PowerChute (при этом также нужно соблюсти постоянную нагрузку ИБП 30-40%).
 +
 +Ссылки по теме:
 +  - http://ekorshunov.blogspot.ru/2013/11/apc-smart-ups-1000-rm.html -описывается, что нужно сделать, когда вы установили не родные акк-ы
 +  - http://www.apcupsd.com/manual/manual.html#cables -приводится распиновка кабеля для подключения ИБП к компьютеру.
 TAG: {{tag>ups sysadmin}} TAG: {{tag>ups sysadmin}}
  
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