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Xantrex Technology XG 850 manual 8Load Connections in Local Sensing Mode

Models: XG 850

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Using Multiple Power Supplies

Connecting to the Load in Local Sensing Mode (Parallel Control Method)

Connect the power supplies in parallel to obtain a single output supply with a higher output current set point. Set all of the outputs to the same voltage before connecting the positive (+) and negative (–) terminals in parallel. The total current available is the sum of the maximum currents of each power supply.

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Figure 3-8Load Connections in Local Sensing Mode

M370078-01

3-47

Image 91

Xantrex Technology XG 850 manual 8Load Connections in Local Sensing Mode

Contents

XG 850 Watt Series Page XG 850 Watt Series Programmable DC Power Supply Date and Revision Rack Mount Kit Part Number Product Numbers FGAs firmware v1.09 and belowPage Conventions Used PurposeScope AudienceSegment Related InformationAcronyms Font ConventionsPower Supply Safety Markings Important Safety InstructionsStandard Warnings Contents Local Operation Analog Programming APG and Isolated Analog Programming Isol Remote Operation Calibration and Troubleshooting Error Messages Scpi Command ReferenceSpecifications Xvi Figures RS-232 Communication Cable with DB-25 Pinout Tables Tables Introduction Features and Options XG 850 Watt Series Voltage and Current Ranges XG 850 Watt ModelsModel Output Voltage Output Current 1XG 850 Watt Front Panel Front Panel2Front Panel Display and Controls Front Panel Display and Controls3Rear Panel 6 V to 40 V Models Rear Panel ConnectorsDescription Page Installation 1Basic Setup Procedure Basic Setup ProcedureStep Description Action Reference Initial Inspection Inspecting and CleaningPeriodic Cleaning When you first receive your unit, perform a physical checkVentilation Location and MountingRack Mounting Purchasing Rack Mount KitsAC Input Connector Connecting AC Input PowerInsulation Rating Selecting Load WiresLoad Wiring 2Current Carrying Capacity for Load WiringNoise and Impedance Effects Maximum Load Wiring Length For Operation With Sense LinesPerforming Functional Tests Powering the Power Supply On/OffTo power on the power supply To power off the power supplyTo perform the voltage and current mode operation checks Voltage and Current Mode Operation Checks60 V-150 V Models Connecting LoadsDC Output Connectors 40 V ModelsInductive Loads and Batteries 2Diode PlacementConnecting Multiple Loads Connecting Single LoadsTo connect the remote sense wires Connecting Remote SensingInstallation Local Operation Introduction Configuring Settings from the Front PanelUsing the 9-Position Mode Control Using the Rotary Adjust/Enter Control1Select and Set from the Front Panel Coarse and Fine Adjustment Modes1Select and Set from the Front Panel Navigating the Menu System Setting Volts and Amps ModesTo access the tracking mode for entering voltage and current Front Panel Normal Display Mode and Inactivity Timeout3Front Panel Menu System 2Front Panel Display Text Display Messages on the Front PanelDisplay Text Text Description LE U Operating Modes Standard OperationConstant Current Mode Operation Constant Voltage Mode OperationAutomatic Mode Crossover To set the voltage set point Vset 4Operating ModesTo set the current set point Iset Scpi command s for these instructions areTo disable the output power Shipped Configuration Local Operation3Shipped Configuration To enable the output powerTo change the Auto Start mode Output Auto Start Mode Auto RestartTo enable on the auxiliary output To disable the auxiliary outputTo define the Auxiliary Auto Start mode Auxiliary Auto Start Mode4Alarm Order of Precedence Alarms and ErrorsAlarm Precedence Output Maskable Display Latch To clear a manual alarm Clearing AlarmsClearing Triggered and Manual Alarms Clearing a Flash Failure AlarmClearing Automatic Alarms Front Panel Alarm LED5Alarm Mask Bit Positions Alarm MaskingAlarm Bit Position Value 6Alarm Latch Bit Positions Alarm Output LatchingBit Alarm Position Value To set the foldback protection and foldback delay time Setting Foldback ModeTo disable foldback protection Resetting Activated Foldback Protection Using Over Voltage Protection OVP To define the OVP set point Defining the OVP Set PointUsing Under Voltage Protection UVP Defining the UVP Set Point Over Current Protection OCPTo define the UVP set point To define the OTP lock Using Over Temperature Protection Lock OTPDefining the OTP Mode Resetting in Latch ModeTo activate the shutdown function Using the External Shutdown FunctionActivating the External Shutdown Function Controlling the External Shutdown FunctionDefining the Polarity of the External Shutdown Signal Interlock Function Defining the Interlock ModePower On Status Signal Hardware Malfunction Alarms7Power Cycle Saved/Recalled Settings Current Configuration Memory SettingsTo save user setting memory locations User Setting Memory LocationsSaving User Setting Memory Locations 8User Accessible Saved/Recalled SettingsTo load user setting memory locations Recalling User Setting Memory LocationsEnabling Local Lockout To enable local lockoutTo disable local lockout Local LockoutSYSTemchannelsREMoteSTATe Parameter Setting Resetting the Power SupplyTo perform a soft reset 9Power Supply Default SettingsTo reset the power supply Using Multiple Power Supplies 5Split Supply Operation Connecting to the Load in Local Sensing Mode Configuring Multiple Supplies for Series Operation7Load Connections in Remote Sensing Mode Connecting to the Load in Remote Sensing ModeSetting up the Slave Units Setting up the Master UnitSetting Foldback Protection Setting Over Voltage Protection OVP8Load Connections in Local Sensing Mode Page Isolated Analog Programming Isol Analog Programming APG of Output Voltage and Output Current 1Monitor Lines Analog Monitor SignalsRelated APG Mode Reference Line Connector Name Remote Programming Options2Remote Programming Options Auxiliary OutputsControl of… Programming Scale Pin Analog Programming APG Connector J1Function Pin Reference Function 3APG Pins and Functions J12Inserting Screwdriver into Spring Terminal Block Making Control ConnectionsWiring Analog Programming With External Voltage Source Analog Programming ModeTo deactivate the APG voltage mode Voltage-Controlled Voltage APG SetupActivating APG Voltage Mode Deactivating APG Voltage ModeQuery for Analog Voltage Input Level Scpi commands for these instructions areTo deactivate the APG current mode Voltage-Controlled Current APG SetupActivating APG Current Mode Deactivating APG Current ModeQuery for Analog Current Input Level 7Programming Output Current using an External Resistor 6Programming Output Voltage using an External ResistorTo activate APG voltage mode using an external resistor Resistive-Controlled Voltage APG SetupScpi command for these instructions are Resistive-Controlled Current APG Setup Query for Analog Current Input Level Voltage and Current Readback 8Voltage Readback Using APG Connector J1AUX Output and Isolated Analog Programming Isol Connector Isolated Analog Programming Mode IsolComisolated 4AUX Output and Isol Connector Pins and Functions J3Analog Programming APG and Isolated Analog Programming Isol Isol Programming With External Voltage Source Making Isol Control ConnectionsTo deactivate the Isol voltage mode Voltage-Controlled Voltage Isol SetupActivating Isol Programming Voltage Mode Deactivating Isol Voltage ModeQuery for Isol Voltage Input Level To deactivate the Isol current mode Voltage-Controlled Current Isol SetupActivating Isol Programming Current Mode Deactivating Isol Current ModeQuery for Isol Current Input Level Analog Programming With External Resistor Resistive-Controlled Voltage Isol Setup Query for Isol Voltage Input Level Activating Isol Resistive-Controlled Current Setup Resistive-Controlled Current Isol SetupQuery for Isol Current Input Level Voltage and Current Readback Isolated Query Remote Control Source StatePage Remote Operation Remote Operation Remote Control Connectors Hardware and Connection SetupConfiguring Remote Control Using RS-232 To configure remote control using RS-232RJ-45 Pinouts 1Remote Control Connector Pins and Functions J4 and J61RS-232 Communication Cable with RJ-45 to DB-9 DB-9 PinoutsDB-25 Pinout DB-25 Pinouts RS-232 Communication Cable with RJ-45 to DB-25To complete the setup Completing the SetupRJ-45 Plug Pinouts Configuring Remote Control Using RS-485RS-485 Communication Cable with RJ-45 to DB-9 5DB-9 PinoutsRJ-45 Plug on Slave Unit RS-485 Communication Cable with Two RJ-45sTo download and install a virtual COM port VCP driver Configuring Remote Control using the USB ConnectorSetting Up the PC to Use the USB Connection Installing USB to Serial Converter and Serial Port7Found New Hardware Wizard 9Completing the New Hardware Wizard Verifying Installation10Device Manager To verify that the device has been installed11Communications Port COM1 Properties Complete the Setup Multiple Power Supply Connections to RS-485 Bus Ethernet Enet or Gpib Connector OptionalMaster Setup Multiple Power Supply SetupSlave Setup End of Message Terminal ConfigurationSetting up a HyperTerminal connection Data Format14 USB Settings 15 Ascii Setup To select the desired rate Data Rate Setting KbpsSelecting the Appropriate Communication Port To select a communication portTo set the address Multichannel Address SettingRemote Interface Addressing 8Rules for Multichannel Responses Multichannel Commands ExplainedRoot command ALLaddr1, addr2, addr3,...command parameter Status Reporting in Scpi 16SCPI Status Reporting Model Status Registers Model from Ieee 9Status Byte Summary Register Error/Event Queue ERRStatus Byte Questionable Status Register Summary QSRMaster Summary Status MSS Request Service RQSMessage Available MAV Standard Event Status Summary ESBOperation Status Register Summary OSR Service Request Enable RegisterQuery the Status Byte Standard Event Status Register Sesr Standard Event Status Enable RegisterStandard Event Status Register Summary of Standard Event Status Register Bit Bit Weight Bit Name DescriptionOperation Complete Wait-to-Continue Command19SCPI Register Model Standard Scpi Register Structure20Operation Status Register Fanout OPERation Status Register11OPERation Status Register OPERation SHUTdown PROTection Status Register OPERation SHUTdown Status Register14OPERation CSHare Status Register Current SHare Sub-RegisterOperation Status Register Commands Current Sharing Sub-Register Commands Shutdown Sub-Register Commands Protection Sub-Register Commands QUEStionable Status Register 21SCPI QUEStionable Registers Fanout 15QUEStionable Status Register 16QUEStionable VOLTage Status Register TEMPerature Sub-Register17QUEStionable TEMPerature Status Register VOLTage Sub-RegisterQuestionable Status Register Commands Voltage Status Register Commands Temperature Status Register Commands Querying For the Errors Scpi Error/Event QueueQuerying For the Number of Errors in the Queue Querying For the Error Code OnlyCommands Reset CommandReset command shall do the following Reset command explicitly shall not affect the followingClear All Status Registers Clear Status CommandPreset Values of User Configurable Registers Scpi Preset StatusRegister Filter/Enable Preset Value Querying Help for all Command Headers Command Line Help SystemHelp commands are SRE Querying Help for Legacy Command Headers Gets the response Querying Help for Command SyntaxSYSTHELPSYNT? Volt Auto Sequence Programming Locking and Unlocking the Front PanelStoring an Auto Sequence Program Setting Dwell TimeSaving an Auto Sequence Program to File Readback and Troubleshooting an Auto Sequence ProgramTo save an Auto Sequence Program to a file To reload Auto Sequence program from file Reloading an Auto Sequence ProgramRunning an Auto Sequence Program Repeating an Auto Sequence Program Deleting an Auto Sequence ProgramProgrep Progstat RUN To set the foldback delay, send the command Command Configure Other Protection MechanismsSetting the Foldback Mode To set the foldback mode, send the command CommandInterlock Enable/Disable Over Temperature ProtectionSet Analog Programming Level Save and RecallSet Remote Programming Interface 19Alarms Bit Mask Protection Mask Enable AlarmsPage Calibration Calibration and Troubleshooting Offset Error Programmed Value Understanding the ProblemMain Voltage and Current Calibration Principle Offset Calibration Gain Calibration4Calibration Recalibrate Gain Recalibrate GainTo perform gain calibration Calibrating the Output VoltageTo perform offset calibration Calibrating the Output Current CALibrationchannelOUTPutCURRentammeter reading in amps To calibrate the over voltage protection Over Voltage Protection CalibrationNon-isolated Voltage Monitoring Calibration Non-isolated Analog Programming CalibrationTo calibrate the non-isolated voltage monitoring To calibrate the non-isolated current monitoring Non-isolated Current Monitoring CalibrationTo calibrate the non-isolated voltage programming of voltage Non-isolated Voltage Programming of Voltage CalibrationNon-isolated Resistive Programming of Voltage Calibration To calibrate the non-isolated voltage programming of current Non-isolated Voltage Programming of Current CalibrationNon-isolated Resistive Programming of Current Calibration Isolated Voltage Monitoring Calibration Calibration Procedure for Isolated ModesTo calibrate the isolated voltage monitoring To calibrate the isolated current monitoring Isolated Current Monitoring CalibrationTo calibrate the isolated voltage programming of voltage Isolated Voltage Programming of Voltage CalibrationTo calibrate the isolated resistive programming of voltage Isolated Resistive Programming of Voltage CalibrationTo calibrate the isolated voltage programming of current Isolated Voltage Programming of Current CalibrationTo calibrate the isolated resistive programming of current Isolated Resistive Programming of Current CalibrationTo calibrate the VAP APG input gain Calibrating the Input Voltage APG SignalGain Calibration Offset CalibrationTo calibrate the CAP APG input gain calibration Calibrating the Input Current APG SignalOffset Calibration Storing and Loading Calibration Parameters Restore Factory Calibration An emergency, carry out these steps User DiagnosticsEmergency Shutdown Unusual or Erratic Operation1Troubleshooting Troubleshooting for OperatorsSymptom Check Further Checks and Corrections SCPIReferenceCommand Ieee 488.2/SCPI Syntax and Style Scpi Conformance InformationScpi Command Hierarchy Using Scpi Commands Using Queries Using Minimum and MaximumTerminating Characters Common CommandsNumeric Parameters Parameter TypesBoolean Parameters Discrete ParametersCALibration Spci Command TreeINITiate PROGram SENSe SYSTem Save Parameter Function Scpi Command Description Range Query Scpi Command SummaryScpi Table A-2Readback Commands Table A-3SCPI Commands for Output Control Table A-4SCPI Commands for Calibration Calibrates the isolated ?NR1 Yes Voltage APG Calibrates the current ? NR1 Yes Voltage Table A-6SCPI Commands for Foldback Protection Table A-7SCPI Commands for Power Table A-9System Commands Select level for Voltage ?Level Yes Analog YYYY.V Table A-10Status Commands See -12 on Query the Operation Yes Query the Operation Yes Query the Operations Event Yes Preset Enable See -15 on Yes Questionable See -15 on Query Yes Questionable ESE,*ESE? Function Scpi Command Description Table A-11Protection CommandsPROGramchannelSTEPDWEL1 Page Error Messages Error Messages Table B-1Command Error List Command Error ListError Message Description Execution Error List Execution Error ListDevice-Specific Error List Device-Specific Error ListQuery Error List Query Error ListSpecifications CElectrical Specifications for XG 850 Watt AC Line Input Specifications for XG 850 Watt Table C-2Remote Operation CRemote OperationOutput Performance Specifications Common Specifications for All ModelsSpecifications M370078-01 Figure C-1XG 850 Watt Mechanical Dimensions 6 to 40 V Models 17.6 447.5 mm 214.2 mm 43.6 mm 22 in .5 mm Warranty Warranty and Product InformationProduct DisclaimerExclusions Return Material Authorization PolicyOut of Warranty Service Return ProcedureInformation About Your System Index IX-2 M370046-01 M370046-01 IX-3 IX-4 Page 800 733 5427 toll free North America 858 450 0085direct Xantrex Technology Inc