Dell J728N Battery Configuration, Voltage, Fuses, Type, Charging, Monitoring, Battery Runtimes

Page 65

Table 15. Battery

Configuration

UPS: (8) 12V, 9 Ah internal batteries; EBM: (16) 12V, 9 Ah batteries

 

 

Voltage

96 Vdc internal, 96 Vdc EBM

 

 

Fuses

UPS: (2) 30A fast fuses in parallel

 

EBM: Fuse(s)

 

 

Type

Sealed, maintenance‐free, valve‐regulated, lead‐acid

 

 

Charging

Internal battery: Approximately 4 hours to 90% charge from a UPS/battery discharge

 

of 50% rated load

 

EBM: Approximately 12 hours to 90% charge from a UPS/battery discharge of 50%

 

rated load

 

 

Monitoring

Advanced monitoring for earlier failure detection and warning

 

 

Battery Runtimes*

Internal batteries: 5 minutes at full load/15 minutes at half load

 

UPS with one EBM attached: 22 minutes at full load/46 minutes at half load

*Battery runtimes are approximate and vary depending on the load configuration and battery charge.

 

Bypass

 

 

Input

AC/DC

DC/AC

Output

Filter

Boost

Inverter

Filter

 

 

DC/DC

 

Charger

 

Battery

 

Figure 27. Online UPS Block Diagram

Specifications 65

Image 65
Contents Users Guide September 2009 S 164201788 Table of Contents Dell UPS Management Software RS-232 and USB Communication PortsUPS Status Menu Event Log Menu Testing BatteriesDell Online Rack UPS IntroductionIntroduction What are You Looking For? Find It Here Finding InformationUPS Output Power Safety WarningsSafety Warnings Do not add weight to slide/rail mounted equipment Inspecting the Equipment InstallationUnpacking the Cabinet Unpacking the CabinetLifting the Cabinet 120V Rear Panel Identifying the UPS Rear Panels230V Rear Panel Identifying the UPS Front PanelOpening the Metal Battery Cover Rackmount SetupIf installing additional UPSs, repeat for each cabinet Positioning the Rails Attaching the Rails to the Rack Installing and Securing the Cabinet Installing the Battery Tray Install the UPS front cover see Figure Removing the Battery Connector Cover Installing the EBMInstalling the Strain Relief Bracket EBM Installation Installing the UPSRepo Connections Wire Function Installing Remote Emergency Power-offRepo Connector UPS Initial Startup Minimum Upstream Circuit Breaker Rating UPS Output PowerPower Cord Ratings Installation Starting the UPS OperationUPS Startup and Shutdown UPS Shutdown Starting the UPS on BatteryControl Button Functions Control Button Sequence Control Panel FunctionsStartup Screen Changing the LanguageDisplay Functions UPS Status Screen LockedBypass Mode Battery ModeBad Battery Detected or Battery Disconnected UPS General Alarms ActiveNormal Mode Status Summary Screens Description Battery Test StatusHigh Efficiency Mode Converter ModeEvent Log Battery Status Screens DescriptionMeasurements Control Screens Description Control ScreensIdentification SettingsSettings Description Available Settings Default Setting Settings Description Available Settings Default Setting Settings Description Available Settings Default Setting Settings Description Available Settings Default Setting Settings Description Available Settings Default Setting Transferring the UPS Between Modes Transferring from Normal to Bypass ModeTransferring from Bypass to Normal Mode Setting Power StrategyBehavior on Overload Retrieving the Event LogControlling Load Segments Through the Display Configuring Load SegmentsConfiguring Automatic Start Delay Configuring Automatic on Battery Shutdown Configuring the UPS for an EBM Configuring Battery SettingsConfiguring Automatic Battery Tests Configuring Automatic RestartRunning Automatic Battery Tests RS-232 and USB Communication Ports Additional UPS FeaturesGND RS-232 Communication Port Pin AssignmentDell Network Management Card Dell Network Management Card OptionalDell UPS Management Software Transporting the UPS UPS MaintenanceUPS and Battery Care Remove the UPS front cover see Figure Disconnect the internal battery connectors see Figure Storing the UPS and Batteries When to Replace BatteriesUpdating the UPS Firmware Testing BatteriesSpecifications Rated at nominal inputs Regulation Normal mode Power LevelsRegulation Battery mode Environmental and SafetyBattery Runtimes Battery ConfigurationVoltage FusesUPS Status Menu TroubleshootingAccessing Alarms and Conditions Event Log Menu Typical Alarms and ConditionsAction Troubleshooting Troubleshooting Silencing the Alarm

J728N, K803N, H950N, H967N specifications

Dell has established itself as a leader in the technology sector, consistently delivering innovative products that cater to various user needs. Among its extensive lineup, models like the Dell H967N, H950N, K803N, and J728N stand out due to their distinctive features, technologies, and characteristics.

The Dell H967N is designed for versatility and performance, featuring robust hardware that supports demanding tasks. This model is equipped with a powerful processor, ensuring smooth multitasking and efficient handling of resource-intensive applications. Its advanced cooling technology is particularly noteworthy, preventing overheating during prolonged use. Additionally, the H967N boasts impressive graphics capabilities, making it suitable for both professional and recreational activities, such as graphic design and gaming.

Next in line is the Dell H950N, which emphasizes connectivity and efficiency. This model includes a variety of ports, accommodating multiple peripherals and external displays. Its integrated wireless technology provides seamless internet access and excellent data transfer speeds. The H950N also prioritizes energy efficiency, featuring a power-saving mode that helps reduce overall energy consumption without sacrificing performance.

The K803N model is focused on user experience, equipped with a high-resolution display that delivers vibrant colors and sharp images. This makes it ideal for content creators and media consumers alike. The K803N’s sound technology also deserves mention, featuring enhanced audio output that creates an immersive listening experience. Moreover, its ergonomic design ensures comfort during extended use, catering to users' needs for productivity.

Lastly, the Dell J728N is engineered for portability without compromising on performance. This lightweight model is easy to carry, making it a favorite among professionals on the go. The J728N features a long-lasting battery life, allowing users to work for extended periods without needing to recharge. Its sleek design and modern aesthetics enhance its appeal, while its solid-state drive technology ensures quick boot times and fast data access.

In conclusion, the Dell H967N, H950N, K803N, and J728N represent the brand’s commitment to quality and innovation. Each model brings unique features to the table, catering to diverse user requirements, whether it be performance, connectivity, user experience, or portability. Dell continues to lead the way in technological advancements, ensuring that its products remain relevant and highly sought after in the market.