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Agilent Technologies 669xA Esr?, Idn?, Query Syntax, Returned Parameters, Aard, Field, Example

Models: 668xA 669xA 667xA 664xA 665xA

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*ESR?

Meaning and Type

Event Status Register Device Status

Description

This query reads the Standard Event Status Event register. Reading the register clears it. The bit configuration of this register is the same as the Standard Event Status Enable register (*ESE). See "Chapter 4 - Status Reporting" for a detailed explanation of this register.

Query Syntax	*ESR?
Parameters	(None)
Returned Parameters	<NR1>	(Register binary value)
Related Commands	CLS ESE	ESE? OPC

*IDN?

Meaning and Type

Identification System Interface

Description

This query requests the power supply to identify itself. It returns a string composed of four fields separated by commas.

Query Syntax	*IDN?
Returned Parameters	<AARD>
	Field	Information
	Hewlett-Packard	Manufacturer
	xxxxA	4-digit model number followed by a letter
	nnnnA-nnnnn	10-character serial number or 0
	<R>.xx.xx	Revision levels of firmware
Example	Hewlett-Packard,6681,0,A.00.01
Related Commands	(None)

*OPC

Meaning and Type

Operation Complete Device Status

Description

This command causes the interface to set the OPC bit (bit 0) of the Standard Event Status register when the power supply has completed all pending operations. (See *ESE for the bit configuration of the Standard Event Status register.) Pending operations are complete when:

•All commands sent before *OPC have been executed. This includes overlapped commands. Most commands are sequential and are completed before the next command is executed. Overlapped commands are executed in parallel with other commands. Commands that affect output voltage, current or state, relays, and trigger actions are overlapped with subsequent commands sent to the power supply. The *OPC command provides notification that all overlapped commands have been completed.

•Any change in the output level caused by previous commands has been completed (completion of settling time, relay bounce, etc.)

•All triggered actions are completed

*OPC does not prevent processing of subsequent commands, but Bit 0 will not be set until all pending operations are completed.

Command Syntax	*OPC
Parameters	(None)
Related Commands	OPC? WAI

28 Language Dictionary

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Agilent Technologies 669xA Esr?, Idn?, Query Syntax, Returned Parameters, Aard, Field, Information, Example, Description

Contents

PROGRAMMING GUIDE GPIB DC POWER SUPPLIES Agilent Technologies Models 664xA, 665xA, 667xA, 668xA, and 669xAAgilent Part No Microfiche Part NoSafety Guidelines Printing HistoryContents GENERAL INFORMATIONREMOTE PROGRAMMING LANGUAGE DICTIONARYDescription of Subsystem Commands System CommandsCurrent Subsystem Display SubsystemERROR MESSAGES STATUS REPORTINGSCPI CONFORMANCE INFORMATION COMPATIBILITY LANGUAGEPage General Information About this GuideDocumentation Summary User’s GuidePrerequisites for Using this Guide VXIplug&play Power Product Instrument DriversDownloading and Installing the Driver Accessing Online HelpGPIB Capabilities Of The Power Supply Remote ProgrammingIntroduction To SCPI ConventionsTypes of SCPI Commands Common CommandsSubsystem Commands SCPI MessagesFigure 2-1. Command Message Structure Parts of a SCPI MessageMessage Component ExampleTraversing the Command Tree Query IndicatorMessage Unit Separator Root SpecifierFigure 2-2. Partial Command Tree Active Header Path The Effect of Optional HeadersMoving Among Subsystems OUTPUTPROTECTIONCLEAR STATUSOPERATIONCONDITION?Including Common Commands SymbolSCPI Queries Value CouplingExamples controlled GPIB interfacesListening Formats Table 2-2. Suffixes and MultipliersDisable the output Enable the outputControlling the Output Programming Voltage and CurrentWriting to the Display Saving and Recalling StatesProgramming Status Programming the Digital I/O Port System ConsiderationsThe GPIB Address A direct primary address and a secondary address A stand-alone primary address and a direct primary addressAssigning the GPIB Address In Programs Error Handling DOS DriversAgilent BASIC Controllers Sample Program CodeController Using Agilent 82335A Interface Programming Some Power Supply Functions‘ --------------- Merge SETUP.BAS here Programming Some Power Supply Functions continued 22 Remote ProgrammingProgramming Some Power Supply Functions continued SPOL%=OIF SPOL% AND 128 = 128 THEN POLL = 1 Set interrupt flag on OPER bit FOR I=1 TOProgramming Some Power Supply Functions continued 24 Remote ProgrammingRelated Commands Common CommandsSubsystem Commands Language DictionaryDescription Of Common Commands Figure 3-1. Common Commands Syntax DiagramBit Configuration of Standard Event Status Enable Register Meaning and TypeDescription 0 toRelated Commands ESR?IDN? Query SyntaxPower-on Status Clear Device Initialization OPC?OPT? PSC 0 *PSCMeaning and Type DescriptionMeaning and Type DescriptionMeaning and Type DescriptionBit Configuration of Status Byte Register STB?Meaning and Type DescriptionTST? Meaning and TypeDescription Meaning and TypeDescription of Subsystem Commands Calibration CommandsFigure 3-2. Subsystem Commands Tree Diagram ABORCurrent Subsystem CURR CURRTRIGCURRPROTSTAT CURRENTLEVEL 200 MADigital I/O Port Programming Chart Pin Configuration1Configuration Display SubsystemDISPTEXT DEFAULTMODE DISPMODEDISPTEXT DISPMODE NORMInitiate Subsystem Measure SubsystemINIT INITCONT MEASCURR? MEASVOLT?OUTPUTPROTECTIONDELAY 75E-1 OUTPUTPROTDELAY MAXOutput Subsystem OUTPOUTPREL OUTPRELPOLOUTPREL 1 OUTPREL OFF OUTPRELPOL NORMBit Configuration of Operation Registers Bit WeightStatus Subsystem STATPRESSTATOPERENAB STATUSOPERATIONENABLE?STATOPER NTR STATOPER PTR Bit Configuration of Questionable Registers Status Questionable RegistersSTATQUES? STATQUESCOND?System Commands STATQUES NTR STATQUES PTRSYSTERR? corresponding Questionable Event registerTrigger Subsystem SYSTLANGSYSTVERS? TRIGVoltage Subsystem TRIGSOURVOLT VOLTTRIG VOLTAGELEVEL 200 MVCommand Summary Command SummaryCommand VOLTPROTCommand Parameters Command SummaryCommand Subsystem CommandsCharacteristics in the Operating Guide Table 3-1. Power Supply Programming Parameters see noteProgramming Parameters ParameterPage Power Supply Status Structure Register CommandsTable 4-1. Status Operation Commands Status ReportingTable 4-2. Bit Configurations of Status Registers SignalFigure 4-1. Power Supply Status Model MeaningTable 4-3. Status Questionable Commands Questionable Status GroupStandard Event Status Group CLS *ESR?Service Request Enable Register Initial Conditions At Power OnDetermining the Cause of a Service Interrupt Status Byte RegisterThe PON Power-On Bit Servicing an Operation Status Mode Eventinformation about encoding the commands as language strings Table 4-4. Default Power On Register StatesMonitoring Both Phases of a Status Transition Adding More Operation EventsServicing Questionable Status Events Table 4-5. Generating RQS from the CC EventSCPI Command Completion DFI Discrete Fault IndicatorRI Remote Inhibit Techniques in ANSI/IEEE StdPage Error Messages Power Supply Hardware Error MessagesCalibration Error Messages System Error MessagesTable 6-1. Summary of System Error Messages continued ErrorError String Description/Explanation/Examples 60 Error MessagesSCPI Confirmed Commands1 SCPI Approved CommandsSCPI Conformance Information SCPI VersionNON-SCPI Commands1 Compatibility Language Table B-1. ARPS Commands ARPS Command1Similar SCPI CommandTable B-1. ARPS Commands continued ARPS Command1Command DescriptionTable B-1. ARPS Commands continued ARPS Command1Command DescriptionIndex 68 Index Page Agilent Sales and Support Office United StatesLatin America Canada