Agilent Technologies 66lxxA manual Listcurrpoin?, Listdwelpoin?, Liststep Once

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LIST:CURR:POIN?

This query returns the number of points specified in LIST:CURR. Note that it returns only the total number of points, not the point values.

Query Syntax	[SOURce]:LIST:CURRent:POINts?
Returned Parameters	<NR1>
Example	LIST:CURR:POIN?
Related Commands	CURR:MODE LIST:CURR LIST:DWEL

LIST:DWEL

This command sets the dwell points for the output current list and output voltage list. Each dwell point specifies the time, in seconds, that the output of the power module is to remain at the level specified by the corresponding point in the current or voltage list. At the end of the dwell time, the output of the power module depends upon the following conditions:

∙If LIST:STEP AUTO has been programmed, the output automatically changes to the next point in the list.

∙If LIST:STEP ONCE has been programmed, the output remains at the present level until a trigger sequences the next point in the list.

Command Syntax	[SOURce]:LIST:DWEL1 <NRf+> {,<NRf+>}
Parameters	0.01 to 65 MINimum MAXimum
Default Suffix	S
Examples	LIST:DWEL .5,.5,1.5
Query Syntax	(None)
Related Commands	CURR:MODE	LIST:COUN LIST:CURR LIST:STEP
	LIST:VOLT	VOLT:MODE

LIST:DWEL:POIN?

This query returns the number of points specified in LIST:DWEL. Note that it returns only the total number of points, not the point values.

Query Syntax	[SOURce]:LIST:DWFL1:POINts?
Returned Parameters	<NR1>
Example	LIST:DWEL:POIN?
Related Commands	LIST:CURR LIST:DWEL LIST:VOLT

LIST:STEP

This command specifies how list sequencing occurs in response to triggers. If LIST:STEP AUTO is sent, then a single trigger causes the list (voltage, current, or dwell) to sequence through all its points. The time that a list remains at each point is as specified in the dwell list. As soon as the dwell interval expires, the list moves to the next point.

If LIST:STEP ONCE is sent, then a single trigger advances a list only one point. After the specified dwell interval, the list remains at that point until the next trigger occurs.

In either mode, triggers that occur during a dwell interval are ignored.

Command Syntax	[SOURce]:LIST:STEP <CRD>
Parameters	AUTO ONCE
*RST Value	AUTO
Examples	LIST:STEP ONCE
Query Syntax	[SOURce]:LIST:STEP?
Returned Parameters	AUTO ONCE
Related Commands	CURR:MODE	LIST:COUN LIST:CURR LIST:DWEL
	LIST:VOLT	VOLT:MODE

38 Language Dictionary

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Contents Programming Guide Agilent Part No Microfiche Part No Update AprilSafety Guidelines Contents Abor Status Reporting Error Messages Synchronizing Power Module Output ChangesAbout This Guide IntroductionDocumentation Summary External ReferencesDownloading and Installing the Driver VXIplug&play Power Products Instrument DriversAccessing Online Help Supported ApplicationsIntroduction To Programming Gpib Capabilities Of The Power ModuleModule Gpib Address Introduction To ScpiRST *IDN? *SRE Voltlev 8.0 Prot 8.8 CURR? Volt LEV Prot CurrOutpprotdel Effect of Optional Headers Traversing the Command TreeOUTPUTPROTECTIONCLEARSTATUSOPERATIONCONDITION? Outputprotectionclear STATUSOPERATIONCONDITION?Voltagelevel 7PROTECTION 8CURRENTLEVEL 3MODE List Volttrig 7.5INIT*TRG Outp OFF*RCL 2OUTP onNumerical Data Formats Talking Formats SymbolListening Formats Suffixes and Multipliers Class Unit Unit with MultiplierAssign @PM3TO System ConsiderationsAgilent Basic Controllers Error HandlingUsing the National Instruments Gpib Interface Sending the Command Volt 5 in C Sending the Command Volt 5 in BasicReceiving Module Data with Basic Receiving Data from the ModuleReceiving Module Data with C Introduction Language DictionaryCLS Description Of Common CommandsMeaning and Type DescriptionESE Bit Configuration of Standard Event Status Enable RegisterESE ESR?OPC IDN?OPC? PSC OPT?RCL RCLRST SRE SAVSRE STB? Bit Configuration of Status Byte RegisterTRG TST? Description of Subsystem CommandsWAI AborCalauto Subsystem Tree Diagram Calibration SubsystemCalcurr Calauto 1 Calauto OnceCalcurrlev CalpassCalstat CalsaveCalvolt CalvoltlevCurr CalvoltprotCurr 500 MA Currlev CurrmodeCurrprotstat OFF CurrprotstatCurrtrig Currtrig 1200 MA CurrlevtrigListcoun Init Initcont 1 Initcont onListcoun Listcoun INF ListcurrListdwel LISTCURRPOIN?LISTDWELPOIN? ListstepListvolt 2.0,2.5,3.0 Listvolt MAX,2.5,MIN ListvoltLISTVOLTPOIN? MEASCURR? MEASVOLT?Outpprot Outp Outpstat ON,NORELAYOutprel Outpprotcle Outpprotdel 75E-1Outprelpol NormOutpttlt 1 Outpttlt OFF OutpttltOutpttltlink Outpttltsour LinkSTATOPEREVEN? STATOPER?STATOPERCOND? StatoperenabStatpres Stat Oper NTR 32 Stat Oper PTRSTATQUESEVEN? STATQUES?STATQUESCOND? Stat Ques COND?SYSTVERS? SYSTERR?Trigger Subsystem TrigTrigdel Trig Trig IMMTrigdel .25 Trigdel MAX TriglinkVoltlev VoltVoltmode Voltmode List Voltmode FIXVolttrig VOLTSENSSOUR?Volttrig 1200 MV Voltlevtrig Link Parameter List Power Module Programming ParametersStatus Register Bit Configuration Power Module Status StructureStatus Reporting Operation Status GroupStatus Questionable Commands Query Bit Signal Bit Configurations of Status Registers MeaningQuestionable Status Group Standard Event Status Group Power Module Status ModelOutput Queue Status Byte RegisterLocation Of Event Handles Examples Initial Conditions At Power OnStatquesptr 18ENAB Statoperptr 5376ENABSTATOPEREVEN?QUESEVEN? Statoperptr 1024NTR Statoperenab 1024*SRETrigger Subsystem Synchronizing Power Module Output ChangesModel of Fixed-Mode Trigger Operation Idle State Delaying StateInitiated State INITiateCONTinuous Command Model of List Mode Trigger OperationTrigger Status and Event Signals Output Change StateOutpttltsour List Subsystem Automatically Repeating a List Listvolt 3.0,3.25,3.5,3.75 Listdwel 10,10,25,40Listcurr 2,3,12,15 Triggering a ListTiming diagrams of Liststep Operation Scpi Command Completion DFI Discrete Fault Indicator SubsystemRI Remote Inhibit Subsystem Power Module Hardware Error Messages Error MessagesSystem Error Messages Standard Event Status Register Error Bits222 -223 -241 -310 -330 -350 -400 -410 -420 -430 Scpi Approved Commands Scpi Confirmed CommandsScpi Conformance Information Scpi VersionNon-SCPI Commands Application Programs Application 1. Sequencing Multiple Modules During Power Up Variations On This Implementation Figure B1-1. Block Diagram of Application #1Figure B1-2. Timing Diagram of Application #1 Enable Backplane TTL Trigger Drive Reset and Clear ModuleEnable Output Enable Response to TriggerImplementation Details How The MPS Implements The Solution MPS Set Up Figure B2-1. Block Diagram of Application #2 Enable TTL Trigger Drive When a CV-TO-CC Transition OccursEnable Response to TTL Trigger Start AT 15Application 3. Controlling Output Voltage Ramp Up at Turn On Figure B3-1. Simulating a Slow Voltage Ramp Generating the Desired Voltage Ramp for Application #3 Start Voltage for Ramp Option BaseStop Voltage for Ramp SecondsFigure B4-1. Voltage Waveform for Application #4 Application 4. Providing Time-Varying VoltagesModule set up Variations On This Implementation No Delay Before Protection Occurs Enable OCPEnable Detection of OC Condition Enables Detection on Positive TRANSITION, I.EApplication 5. Providing Time-Varying Current Limiting Figure B5-1. Typical DUT Current vs. Time Implementation Details How The MPS Implements The Sequence Current Limit Data GO to 12 V When TriggeredDwell Time Data SET to GET Current from ListNominal 12 Application 6. Output Sequencing Paced by the ComputerMPS Set Up Figure B6-1. Block Diagram of Application #6 Supply Limit Conditions These are the BiasTo be Tested Number of Bias Supply Limit C0MBINATIONSReturn Overview Of Application Advantages/Benefits Of The MPS Solution Figure B7-1. Block Diagram of Application #7 When IT Completes the LIST. OPC Generates SRO When the Module Indicates SIC Step CompletedEnable SRQ Interrupt Enable Intr Identify Handler SubroutineSupplemental Information CMD$ = Initiate ‘ Enable Trigger to Start List CMD$ = Output on ‘ Enable Output‘ Conversion to Send Real Numbers Over the BUS CMD$ = Voltmode List ‘ SET to GET Voltage from ListWaiting for Trigger BIT 5 of the Operation Status Register Call Iooutputs SLOTO, CMDS, LCONDITION.DATA = WendIf IBSTA% 0 then Goto ‘ AS Part of the Command String ‘ Disable Auto Serial Poll‘ Program N3.BAS ‘ INSTRUMENT.NAME$ = SlotoIf IBSTA% 0 then Goto Selected AS a Trigger Source ‘ General Error HandlerStop Dwell = ramptime Application #3 Controlling Voltage Ramp UP AT Turn onTo terminate the iooutputa Int error Char *badstring If error != EOl enabled for both read and write Strcatvlist, vpoint This is a generalized error checking routine Index IndexIndex Index Index United States Latin America Agilent Sales and Support OfficesManual Updates