Emerson Series 610 manual General Component Descriptions, System Control Cabinet

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Theory of Operation

2.0THEORY OF OPERATION

2.1General Component Descriptions

The UPS system includes all of the equipment necessary to continuously provide computer-grade AC power to a critical load, even when there is an interruption of the utility power. It consists of a System Control Cabinet (SCC), UPS modules and a back-up battery plant. Refer to Figure 6 and Figure 7. Except where otherwise noted, the configuration is presumed to be parallel-redundant (with at least one more UPS module than required to support the rated load).

2.1.1System Control Cabinet

The System Control Cabinet (SCC) includes system controls, static bypass switch, load transfer con- trol, protective devices and other accessories. The system controls simultaneously monitor two or more parallel UPS modules sharing a critical load for increased capacity and/or redundancy. The two

(2) motor-operated system circuit breakers (system bypass breaker—SBB and UPS output breaker) may be contained within the SCC, depending on the configuration designed for your installation.

System Controls: The system control logic automatically manages critical bus operation and moni- tors performance of the UPS modules. Microprocessor technology and dedicated firmware provide advanced logic control and a comprehensive display of information. The system control logic synchro- nizes the output of the UPS system to the bypass source. The SCC includes ports for communicating with external devices. Liebert Multi-Module Units do not require an SCC for load sharing. Automatic, parallel module load sharing is a function built into the modules themselves; however interconnection through the SCC enables the modules to share data for more precise control. Modules do not require master clocks or controls in order to load share or free-run at 60.0 Hz.

Static Bypass Switch: The static (solid-state) bypass switch immediately transfers the load from the inverter to the bypass AC power source in the event of a severe overload on the system or a failure within the UPS. This transfer takes place without any interruption of the power supplied to the load. In all SCCT control cabinets 1600A or larger and in all SCCI and SCCC control cabinets, the system includes redundant circuits to detect and isolate shorted SCRs in the static switch.

Fuses are installed in series with the static bypass circuit (with the exception of the continuous duty static switch installed in the SCCC control cabinet) to ensure reliable overload protection in the unlikely event of a catastrophic output condition (e.g., a dropped wrench) electrically close to the out- put of your UPS system. The static switch SCRs themselves are rated to easily handle the fuse-blow- ing current.

Bypass Circuit: The bypass circuit consists of electrically operated circuit breakers and associated synchronizing and control circuitry to transfer the load to/from the bypass source.

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Contents Liebert Series 610 UPS Battery Cabinet Precautions Table of Contents Maintenance SpecificationsFigures Tables Important Safety Instructions System Description Multi-Module UPS, 100-500kVAMulti-Module UPS, 500-750kVA Types of System Control Cabinets SCCs ReliabilityDesigned for Success Safety Precautions Input Power FailureModes of Operation Other Factors to ConsiderOperator Controls 1989-2003 Battery OptionsBattery Racks or Cabinets Module Battery DisconnectThree Breaker Maintenance Bypass Two Breaker Maintenance BypassGeneral Component Descriptions System Control CabinetBattery Plant UPS ModuleControls Hardware Detailed Component DescriptionsSoftware Input Power Factor Rectifier/ChargerOperation Input Circuit BreakerBattery Charging Circuit Battery DisconnectBattery Charge Current Limiting Battery Equalize Charge CircuitNon-Linear Load Characteristics Unbalanced Load CharacteristicsInverter Output Regulation and Overload PerformanceFuse Protection Static BypassShorted SCR Monitoring Pulsed Parallel Operation Static Switch IsolationLoad Transfers Transfer and Retransfer Conditions Redundant Mode Retransfer InhibitedFeatures Display Screen and Operator Controls1000kVA 500kVADescription Function Operation Numbers are used as keys to data in , below Refer to 3.4.5 Shutdown ProceduresDescription Location Function Switches behind SCC control panel door Menu Tree Navigation Menu treeSCC Master Menu Master Menu ScreenModule Master Menu Operation Input Metering Displays SCC Monitor/Mimic Display ScreenOutput Metering Displays Status/Alarm Message Areas Item 7 Alarm MessagesItem 5 Module Status Messages Item 6 System Status MessagesModule Monitor/Mimic Display Screen Module Monitor/Mimic display screenAlarm Messages Item 5 Alarm MessagesSCC Display Module DisplayMonitor/Mimic display example Utility fail 2700kVAKVA//2170 KWkW 325A0A 325A0A 325A0A Upsinputpwr Battery MOD 1 OFF Line SUM ALM MVODLTS2 OFF540 Line SUM ALM Walk-In Display Screen Walk-in display screen during start-upStatus Reports Screens Present StatusSCC Status Report Event HistoryModule Status Report History Status History status report screensAlarm conditions that freeze history data gathering Alarm in SCC Alarm in ModuleBattery Cycle Monitor-Module Only System StatusBattery cycle monitoring summary screen System Configuration Screens SCC system configuration screenDate Date screenTime Time screenAuto dial setting screen Auto DialModem Baud Rate Maximum Auto-Retransfer AttemptsSystem Current Rating Language SelectionSystem Options Retransfer AttemptsBattery test screen-MMU only Continuous Duty Static Switch OptionalRemote Monitor SCC and module remote monitor indicationsAlarm Limit Settings Screen Module alarm limit settings screenBattery Float Voltage Temperature Limit Setting OptionalLoad Transfer Procedures Screen Refer to 3.4.3 Load Transfer Procedures for more detailsStart-Up Procedures Screen Refer to 3.4.1 SCC Start-Up Procedure for more detailsShutdown Procedures Screen Module start- up procedures screensSCC shutdown procedures screen Battery Time Screen Module Only Battery time screen 15 minute dischargeUpper Limit Actual Lower Limit Elapsed Time MinutesOperation Meter Calibration Screen Meter calibration screenBattery Equalize Screen Battery equalize screenAlarm and Status Messages Module Status Messages System Status MessagesLoad Block Messages Abbreviations used in alarm messagesAbbreviation Definition Alarm messages meaning and corrective action Manual Reset Static SwitchBypass Phase Control PowerReverse Power Inverter FaultTransfer Module N OffBattery Overtemp OvertemperatureTimeout New AlarmAlarm Message Alarm messages summarySpecial Functions Communication Interfaces Worldwide ReportingAuto-Dial Requesting InformationLocal Reporting to a Monitor Local Reporting to a TerminalSite Reporting SiteScan or Snmp Remote Monitor Panel Liebert Series 610 terminal commandsSeparate / Simultaneous Outputs Circuit breaker abbreviations Abbreviation Circuit Breaker Load on Bypass OK to TransferLoad on bypass, UPS available Momentary overload, pulsed static bypass switch Momentary OverloadsInput Power Failure-Load on Battery Input power fail-load on batteryOne Module Off-Line One module off-line, load on UPSOff Battery Load on UPS-battery not availableRefer to 3.4.5 Shutdown Procedures Emergency Modules OffRemote Emergency Power Off Emergency power offRefer to 3.3.10 Maintenance Bypass System ShutdownLoad on maintenance bypass, two breakers SCC Start-Up Procedure Manual ProceduresRefer to 3.5 Automatic Operations for more details Operation Operation SCC start-up procedures screen UPS Module Start-Up Module start-up procedures screen Operation Load Transfer Procedures Manual Transfer Instructions UPS LeadIf the load is on Maintenance Bypass Maintenance Bypass Load TransfersIf the load is on the UPS System Bypass Shutdown Procedures System Shutdown Procedure Module Shutdown Procedure Automatic Operations Remote Emergency Power Off RepoLocal Emergency Modules Off Lemo Overloads Without Transfer Automatic Transfers to Bypass1000% 150%Automatic Module Off-Line Automatic Retransfers to UPSAutomatic Emergency Modules Off Maintenance Liebert Global Services Maintenance Agreements The Signature ProgramProfessional Start-Up TrainingRecord Log Routine MaintenanceAir Filters Limited Life Components Battery Maintenance Battery Safety PrecautionsAvertissement Matching Battery Cabinets Optional Number of Cells Battery Voltage VDC Nominal FloatBattery voltage record Battery retorque valuesRack-Mounted Batteries Detection of Trouble Torque specifications unless otherwise labeledTorque Requirements Reporting a Problem Upstream Feeder Circuit Breaker Setting InspectionsCorrective Actions Recommended Test EquipmentRating Power factor pf KVAKVA Specifications applicable to environment Environmental ConditionsAdjustments Battery OperationElectrical Specifications Specifications 112 Page Locations
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Series 610 specifications

The Emerson Series 610 is a cutting-edge solution for precise process measurement and control, designed specifically for industries where accuracy and reliability are paramount. This advanced instrument, often utilized in oil and gas, chemical processing, and water treatment sectors, combines innovative technology with robust features to meet the demanding requirements of modern industrial applications.

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In summary, the Emerson Series 610 represents a significant advancement in process measurement technology. With its exceptional accuracy, intelligent diagnostics, user-friendly design, and robust construction, it is an ideal choice for industries seeking to enhance their operational efficiency and reliability. Its ability to seamlessly integrate into existing systems further solidifies its position as a leading solution in the field of industrial measurement and control. As industries continue to evolve, the Series 610 is poised to meet the challenges of the future with confidence and precision.
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