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Agilent Technologies Serials 3004A-05092 to 05096 3024A-05272 and above Agilent 6035A manual

Models: Serials 2934A-01825 to 01829 3023A-01925 Serials 2934A-01821 to 01825 3026A-01921 and above Agilent 6032A

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Figure 3-5. Connecting a Bypass Capacitor

Figure 3-5. Connecting a Bypass Capacitor

Overvoltage Protection (OVP)

The overvoltage trip point is adjusted at the front panel. The approximate trip voltage range is from zero volts to approximately 107% of maximum rated voltage of the power supply. When the OVP circuit trips, the power supply output is disabled and delivers no output power, and the OVP and DISABLED indicators turn on.

Adjustment. OVP is set by the recessed single-turn OVP ADJUST potentiometer on the front panel. Rotating the control clockwise sets the trip voltage higher. (It is set to maximum at the factory.) When adjusting the OVP trip point, the possibility of false tripping must be considered. If the trip voltage is set too close to the supply’s operating voltage, a transient in the output would falsely trip the OVP. For this reason it is recommended that the OVP trip voltage be set higher than the output voltage by at least 1 volt (see NOTE on the following page). To adjust the OVP trip voltage, proceed as follows:

a.Turn on supply and hold DISPLAY OVP pushbutton in.

b.Insert a small-blade screwdriver through hole in front panel and adjust OVP trip voltage to desired level.

OVP Reset. To reset OVP locally, turn the LINE switch off and then back on. OVP can also be reset via GP-IB by sending RST. The cause of the overvoltage must be removed before the OVP circuit is reset or the circuit will trip again immediately. If the OVP circuit trips continuously check the load and the trip voltage.

38Operating Instructions

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Agilent Technologies Serials 3004A-05092 to 05096 3024A-05272 and above Agilent 6035A, Agilent 6031A, Agilent 6030A manual

Contents

AGILENT 603xA FAMILY AUTORANGING SYSTEM DC POWER SUPPLIES OPERATING MANUALCERTIFICATION WARRANTYLIMITATION OF WARRANTY EXCLUSIVE REMEDIESSafety Summary SAFETY SYMBOLS DECLARATION OF CONFORMITY Declaration PageManufacturer’s Declaration Acoustic Noise StatementHerstellerbescheinigung General Information Table Of ContentsInstallation Operating InstructionsTable Of Contents continued Standard Commands for Programmable Instruments Table Of Contents continued100 VAC Input Power Option Blank Front Panel OptionIndex Table Of Contents continuedProgramming the Agilent 603xA Power Supplies Using BASIC Description General InformationIntroduction Options Safety ConsiderationsAccessories OptionInstrument and Manual Identification Ordering Additional Manuals GP-IB Interconnection Cables and ConnectorsGP-IB Compatibility ModelSpecifications Related DocumentsAgilent Technologies Model Table 1-1. Performance SpecificationsTable 1-2. Supplemental Characteristics 6033A6032A 6030A6031A 6035ATable 1-2. Supplemental Characteristics continued 18 General Information6030A Figure 1-1. Output Characteristic CurveAgilent Model 6031A20 General Information Preparation For Use InstallationInitial Inspection Outline DiagramPower Connection Figure 2-1. Outline Diagram Bench OperationInput Power Requirements 22 InstallationFigure 2-2. Power-Cord Plug Configurations Line Voltage Option Conversion f. Change line label 26 Installation Figure 2-3. Line Voltage Conversion ComponentsRear Panel Screw Sizes and Part Numbers AC Line Impedance CheckRepackaging For Shipment Agilent Models 6030A, 6031A, 6032A, 6035AAgilent Model 6038A 28 InstallationAgilent Model 6033A Figure 2-4. Part Number LocationIntroduction OPERATING INSTRUCTIONSFigure 3-1. Front-Panel Controls and Indicators Figure 3-2. Determining Operating Point Controls and IndicatorsOutput Range For An Autoranging Power Supply Number Controls/IndicatorsTable 3-1. Controls and Indicators Figure 3-3. Overrange OperationNumber Table 3-1. Controls and Indicators continuedControls/Indicators DescriptionControls/Indicators Turn-On Checkout ProcedureTable 3-1. Controls and Indicators continued NumberFigure 3-4. Factory Settings, Mode Switch Initial Setup and Interconnections Connecting the Loadcurrent x resistivity Table 3-2. Maximum Wire Lengths To Limit Voltage Dropsmaximum length = Cross Section Area In mm2Ampacity Table 3-3. Stranded Copper Wire Ampacity Wire SizeCross Section Area in mm2 Figure 3-5. Connecting a Bypass Capacitor Overvoltage Protection OVP Remote Voltage Sensing Foldback ProtectionFigure 3-6. Remote Voltage Sensing Mode Switches2Rs +.5 1000 Figure 3-7. GP-IB Connector Mode SwitchesTable 3-4. Mode Switches Programming ModeMonitor Signals Protective CircuitsLocal Operation Constant Voltage OperationReturn to Local GP-IB OperationConstant Current Operation Interface FunctionsMultiline Message Control Functions. The Acceptor Handshake, Source Handshake, Listener, and Talker functions are implemented by the interface circuits of the power supply and the controller and require no action by the user. The LSN or TLK indicators turn on when the power supply is addressed to listen or talk. The talker function includes serial poll, see below GP-IB Address Selection Table 3-5. Serial Poll RegisterFigure 3-8. GP-IB Address/PON SRQ Switches Power-On Service RequestINH-FLT or RLY LNK Operation Initial ConditionsProgramming Syntax Table 3-6. Initial Conditions+ 1.23 E + 4 + 123. E + Range or **Response CommandTable 3-7 GP-IB Commands To QueryRange or **Response CommandTable 3-7 GP-IB Commands continued PageRange or **Response CommandTable 3-7 GP-IB Commands continued PageRange or **Response CommandTable 3-7 GP-IB Commands continued PageRange or **Response CommandTable 3-7 GP-IB Commands continued PageTable 3-8. Format of Numbers Sent from Power Supply VSET? and addressing the power supply to talk VMAX OUT OFF or OUT OUT ON or OUT Hold is turned on and off using these codes HOLD OFF or HOLD 60 Operating Instructions Bit Position Bit WeightTable 3-9. Status Register Condition62 Operating Instructions SRQ? No Errors Error #Table 3-10. Status Register Errors Description Analog Programming Figure 3-9. Resistance Programming of Output Voltage 66 Operating InstructionsFigure 3-11. Optional Voltage Divide for Program Source Multiple-Supply OperationFigure 3-10. Voltage Programming of Output Voltage Auto-Parallel Operation Figure 3-12. Resistance Programming of Output CurrentFigure 3-13. Voltage Programming of Output Current 68 Operating InstructionsFigure 3-14. Auto-Parallel Operation Series OperationFault Input FLT and Remote Inhibit INH Connections Figure 3-15. Series OperationOperating Instructions Figure 3-16. FLT/INH Connections Figure 3-17. INH ExampleFigure 3-18. FLT Example 72 Operating Instructions Figure 3-19b. Typical INH SetupFigure 3-19a. FLT and INH with Multiple Supplies Figure 3-20. Timing Diagram Figure 3-21. FLT & INH Example General Information Description 100 VAC Input Power OptionUsing Appendix A Scope of Appendix AAgilent Model Section ll Manual ChangesSection lll Manual Changes Set a100 VAC Input Power Option 100 Introduction Blank Front Panel OptionTurn-On Check Out Procedure DescriptionAgilent 6030A Agilent 6031A Agilent 6032A Agilent 6033A Agilent Model Table B-2. CC Check Command StringOvervoltage Protection Setting StringREADER PATH Standard Commands for Programmable Instruments SCPIABOUT THIS APPENDIX REFERENCESSTAND-ALONE CONNECTIONS LANGUAGE SWITCHINGINTRODUCTION Figure C-1 Linked Connections LINKED CONNECTIONSInstallation GP-IB Address Setting the AddressAddressing Over the Bus Type of ConnectionSubsystem Commands LANGUAGE DICTIONARYCOMMON Commands Keywords88 Standard Commands for Programmable Instruments SCPI Figure C-2. Common Command Syntax DiagramFigure C-3. Agilent Series 663xA Subsystem Tree Diagram Meaning and Type Event Status EnableBit Configuration of Standard Event Status Enable Register Clear Status Device Status0 to ESR?IDN? Meaning and TypeDescription OPC?Power-on Status Clear Pending operations are complete whenMeaning and Type 0 or l0 or DescriptionDevice State ResetMeaning and Type DescriptionBit Configuration of Status Byte Register STB?Service Request Enable Meaning and TypeMeaning and Type TST?ABOR TriggerCURRPROTSTAT Current SubsystemCURRLEV 0 or OFFOutput Subsystem Initiate SubsystemMeasure Subsystem For INITCONT 0 or OFF 1 or ON0 or 0 or OFFI or ON CRD NORMal or REVerseStatus Operation Registers Status SubsystemBit Configuration of Operation Registers 0 toBit Configuration of Questionable Registers NTR/PTR CommandsSTATUS PRESET 0 toSTATQUESENAB NTR/PTR CommandsSTATQUESCOND? 0 to0 to SYSTERR?SYSTLANG Syntax is the same, regardless of the present languageTRIGSOUR Trigger SubsystemVoltage Subsystem STATUS REPORTING VOLTPROTAMPL?Status Byte and Service Request Enable Registers SignalTable C-5. Bit Configuration of Status Reister Groups Meaning Operation Status GroupCommand Figure C-4. Power Supply Status StructureTable C-2. STATQUES Commands RegisterTable C-4. STATOPER Commands SignalEnable CommandProgram Command Service Request Enable RegisterEnables all error conditions into the ESB summary bit Clear CommandEnables all bits to generate seruice requests SCPI ERROR MESSAGESOutput Queue Excludes the MAV bit from gerlerating a service requestError String Description/Explanation/Examples Error NumberTable C-5. Summary of Error Messages Error String Description/Explanation/Examples Error NumberTable C-5. Summary of Error Messages continued SCPI COMMAND SUMMARYCommand Command Summary continued Subsystem CommandsCommand CommandARPS Command ARPS/SCPI CommandsTable C-6. Comparison of ARPS and SCPI Commands Equivalent SCPI CommandInitialization Programming the Agilent 603xA Power Supplies Using BasicI/O Path Names Voltage and Current ProgrammingVoltage and Current Readback 120 130 DEF FNSettledOPTIONAL Band, Rdgs.Timelimit Present Status Output Inhibit / EnablePower Supply Status FOLDAccumulated Status Fault and Mask Registers Serial PollPage Service Request Programming Error Detection Delay Time124 Programming the Agilent 603xA Power Supplies Using Basic ExplanationOvervoltage Protection FunctionsFault Indicator FLT and Inhibit INH FoldbackMachines States Advanced TopicsHold Mode Programming the Agilent 603xA Power Supplies Using Basic ExplanationIndex IndexIndex CC bitIndex 130 IndexOPC bit output enableIndex 132 Index Canada Agilent Sales and Support OfficeUnited States EuropeManual Updates