Agilent Technologies N3280A Fall Time, Maximum Output, Cable Impedance, Overvoltage Protection

Page 81

 

 

 

 

Specifications - A

 

Table A-2 Supplemental Characteristics (continued)

 

Parameter

 

Voltage Priority

Current Priority

Programming Output

Voltage11 (90% to 10%

150∝s

N/A

Fall Time

+Curr Lim12

@10kHz):

450∝s

N/A

 

(90% to 10%):

450∝s

N/A

 

-Curr Lim13

(90% to 10%):

N/A

160∝s

Current14 (-80% to +80%):

Maximum Output

Lead R:

 

1Ω

 

 

 

 

Cable Impedance

Lead L:

 

10∝H

 

 

100∝H

 

Overvoltage Protection

Positive:

 

+11.5V

±0.3V

 

N/A

 

15

Negative:

 

-11.5V

±0.3V

 

 

 

 

 

 

 

 

Output Common Mode

(shorting either Hi or Low

 

 

 

<2∝A rms

 

 

Current 16

terminal to the chassis)

 

 

 

 

 

 

 

Trigger in

 

 

Chassis ground referenced TTL levels.

 

Trigger latency

 

 

 

 

30∝s maximum

 

 

GPIB Interface

 

 

 

 

AH1, C0, DC1, DT1, E1,

 

 

Capabilities

 

 

 

L4, PP0, RL1, SH1, SR1, T6

 

Output Derating

 

 

 

 

Full current to 40° C.

 

 

 

 

 

Linearly derated to 50% of full current at 55° C.

 

Output Disconnect

 

 

Accomplished via solid state disconnect relays.

 

 

 

Output impedance in open state is approximately 100K

Altitude Derating

Up to 7500 feet:

 

 

 

Full current @40° C.

 

 

 

> 7500 feet up to 15000

Derated by 1.1 degrees C for every additional 1000 feet

 

feet:

 

 

 

 

 

 

 

Secondary Isolation

To Chassis:

 

 

 

±50V

 

 

 

Output to Output:

 

 

 

±100V

 

 

RFI

 

 

 

 

Level A

 

 

Safety

 

 

 

 

UL, CSA, CE

 

 

Regulatory Compliance

Listing pending:

 

 

 

UL 3111-1

 

 

 

Certified to:

 

 

 

CSA 22.2 No. 1010.1

 

 

 

Conforms to:

 

 

 

IEC 1010-1, EN 61010-1

 

 

 

Complies with:

EMC directive 89/336/EEC (ISM group 1 Class A)

 

Calibration Interval

 

 

 

 

1 Year

 

 

Dimensions

Height:

 

 

 

3.5” (88.9 mm)

 

 

 

Width:

 

 

 

8 3/8” (212.7 mm)

 

 

 

Depth:

 

 

 

19.6” (497.8 mm)

 

 

Weight

Shipping:

 

 

 

26 lbs

(11.8 kg)

 

 

 

Net:

 

 

 

22 lbs

(10 kg)

 

 

Input

 

RMS Input

 

Peak Inrush

Full Load

 

Current

 

current

Input Power

Voltage Range

Line Fuse

Typ.

Max.

Typ.

Max.

Typ.

Max.

100 Vac (87-106 Vac):

3.15AT

1.75A

1.85A

56A

60A

130W

140W

120 Vac (104-127 Vac):

3.15AT

1.4A

1.55A

48A

53A

130W

140W

220 Vac (191-233 Vac):

1.6AT

0.8A

0.90A

34A

40A

130W

140W

230 Vac (207-253 Vac):

1.6AT

0.7A

0.80A

32A

36A

130W

140W

11With no load and current limit set to +0.5125A, program voltage from ±10V to 0V.

12With 20 ohm load resistor and voltage set to 10.25V, program current limit from 0.5A to 0A.

13With 20 ohm load resistor and voltage set to –10.25V program current limit from 0.5A to 0A.

14With 1k load resistor, program current from +0.5mA to –0.5mA. Measure time from +0.4mA to –0.4mA.

15Output is shut down and output relays are opened

16Measurement taken with ammeter having approx. 1k shunt resistance and 10Hz to 1kHz bandwidth. Input ac is 120V, 60Hz.

81

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Contents Agilent Technologies Model N3280A Component Test DC Source USER’S GuideCertification Warranty InformationGeneral Safety SummarySafety Symbols Declaration Printing History Acoustic Noise InformationTable of Contents Scpi Command Completion Using Device Clear Types of Scpi CommandsExternal References Gpib Capabilities of the DC Source Introduction to ScpiMeasurement Commands Scpi Programming Commands At a Glance Calibration CommandsOutput Commands Status CommandsTrigger Commands System CommandsCommon Commands Voltage Priority TestsError Number List 103 Ripple and Noise TestsTransient Response Tests Page Document Orientation Safety ConsiderationsDescription Options and AccessoriesRemote Programming Option DescriptionVoltage Priority Operation Output CharacteristicsCurrent Priority Operation Output Characteristic Current PriorityMeasurement Characteristics Start of a Measurement Inspection CleaningDamage Packaging Material Additional ItemsBench Operation LocationRack Mounting Do not block the fan exhaust at the rear of the unitConnect the Power Cord Power ConnectionsTurn the unit off before connecting any wires Output ConnectionsOutputs 1 Voltage Drops and Lead Resistance Current RatingsAmpacity and Resistance of Stranded Copper Conductors AWG No Maximum Ampacity Resistance at 20 deg. C Free airGuard Connections for Test Fixtures Coaxial Guard ConnectionsComputer Connections External Trigger ConnectionsMaintaining Stability OVP ConsiderationsSwitch Setting Settings for Power Module Configuration SwitchSwitch Setting Address Gpib AddressFront Panel Description Checkout Procedure ProcedureExplanation Runtime Error Messages Selftest Error MessagesPower-On Selftest Errors Case of TroublePage Gpib Capabilities of the DC Source External ReferencesGpib References Scpi ReferencesTypes of Scpi Commands Introduction to ScpiConventions Used in This Guide Including Common Commands Multiple Commands in a MessageUsing Queries Moving Among SubsystemsTypes of Scpi Messages Message UnitChannel List Parameter Scpi Data Formats Suffixes and Multipliers Scpi Command CompletionResponse Data Types Class Suffix Unit Unit with MultiplierOutputstate Example Using Device ClearPage Introduction Power-on InitializationProgramming the Output Enabling the OutputOutput Mode Overvoltage ProtectionOutput Current Triggering Output Changes Oscillation ProtectionOutput Trigger Model Setting the Voltage and Current Trigger Levels Enabling the Output Trigger SystemSelecting the Output Trigger Source Making Measurements Generating Output TriggersAverage Measurements Measurement Samples and Time Interval Power Line CyclesCurrent Ranges Triggered MeasurementsWindow Functions Returning All Measurement Data From the Data BufferMeasurement Trigger Model Enabling the Measurement Trigger SystemSelecting the Measurement Trigger Source Output Settling Delay Selecting the Sensing FunctionGenerating Measurement Triggers Pre-trigger and Post-trigger Acquisition Pre-trigger and Post-trigger Data AcquisitionDC Source Status Model Programming the Status RegistersOperation Status Group Bit Configurations of Status RegistersStandard Event Status Group Questionable Status GroupStatus Byte Register MSS and RQS BitsServicing Operation Status and Questionable Status Events Determining the Cause of a Service InterruptSubsystem Commands Common CommandsProgramming Parameters Scpi Programming Commands At a Glance Subsystem Commands SyntaxSave new cal constants in non-volatile memory FUNCtion Mode mode, @list VOLTage Mode mode, @list DELaySets the output voltage in voltage priority mode Sets the triggered output voltage in voltage priority modeESE n Common Commands SyntaxSRE n Output Programming ParametersCALibrateCURRent Calibration CommandsCALibrateCURRentLIMitPOSitive CALibrateCURRentLIMitNEGative CALibrateCURRentMEASureCALibrateDATA CALibratePASSwordCALibrateDATE CALibrateLEVelCALibrateSAVE CALibrateSTATeCALibrateVOLTage FETChARRayCURRent? FETChARRayVOLTage? Measurement CommandsFETChCURRent? FETChVOLTage? Query SyntaxMEASureCURRent? MEASureVOLTage? MEASureARRayCURRent? MEASureARRayVOLTage?SENSeCURRentRANGe Enter values greater than 0.015ASENSeSWEepNPLCycles SENSeFUNCtionSENSeSWEepOFFSetPOINts Query Syntax SENSeFUNCtion? @channel listSENSeSWEepPOINts SENSeSWEepTINTervalSENSeWINDow OUTPut Output CommandsOUTPutOSCProtect OUTPutPROTectionCLEarSOURceCURRentIMMediate SOURceCURRentTRIGgered Default SuffixSOURceCURRentLIMitIMMediate SOURceCURRentLIMitTRIGgered SOURceCURRentLIMitBWIDthSOURceDELay SOURceDELayMODESOURceCURRentMODE SOURceCURRentLIMitMODE SOURceVOLTageALCBWIDth SOURceFUNCtionMODESOURceVOLTageIMMediate SOURceVOLTageTRIGgered Query Syntax SOURceFUNCMODE? @channel listSOURceVOLTagePROTectionSTATe SOURceVOLTageMODEQuery Syntax SOURceVOLTagePROTectionSTATe? @channel list NR10 orSTATusOPERationENABle Status CommandsBit Configuration of Operation Status Registers STATusOPERationEVENt?Parameters Preset Value STATusPRESetCommand Syntax STATusPRESet Parameters None Examples STATusOPERationNTR STATusOPERationPTRQuery Syntax STATusQUEStionableENABle? @channel list STATusQUEStionableENABleSTATusQUEStionableCONDition? STATusQUEStionableNTR STATusQUEStionablePTRSystem Commands SYSTemERRor?SYSTemVERSion? ABORt Trigger CommandsINITiateNAME TRIGgerACQuireTRIGgerTRANsientSOURce TRIGgerACQuireSOURceTRIGgerTRANsient RST ValueCommand Syntax *CLS Parameters None Common CommandsParameters Power-On Value Examples Bit Configuration of Standard Event Status Enable RegisterField Information ExampleQuery Syntax *OPT? Returned Parameters Aard RST Settings Power-on ValueQuery Syntax TST? Returned Parameters NR1 Bit Configuration of Status Byte RegisterTable A-1. Specifications Table A-2 Supplemental Characteristics Safety Output Common ModeDimensions WeightFigure A-1. Output Impedance Graphs all outputs Equipment Required Measurement Techniques Performance & Verification TestsTest Setup Electronic LoadProgramming Voltage Priority Tests Program CommandsVoltage Programming and Readback Accuracy Positive Current Limit +CLNegative Current Limit -CL Action Program CommandsCurrent Programming and Readback Accuracy Current Priority TestsVoltage Priority, Constant Voltage Load Effect Load Effect TestsVoltage Priority, -Current Limit Load Effect Test Voltage Priority, +Current Limit Load EffectSource Effect Tests Current Priority Constant Current TestVoltage Priority, Constant Voltage Source Effect Voltage Priority, -Current Limit Source Effect Voltage Priority, +Current Limit Source EffectCurrent Priority, Constant Current Source Effect Voltage Priority Ripple and Noise Ripple and Noise TestsVoltage Priority, Transient Recovery Time Transient Response TestsCurrent Priority Ripple and Noise Figure B-2. Transient Waveform Voltage Priority Current Priority Transient Recovery TimeFigure B-3. Transient Waveform Current Priority Performance Test Equipment FormPerformance Test Record Form Enable Calibration Mode Performing the Calibration ProcedurePositive Current Limit Calibration Negative Current Limit Calibration5A Range Current Measurement Calibration 10015mA Range Current Measurement Calibration Saving the Calibration Constants101 Calibration Error Messages Changing the Calibration PasswordTable B-3. Gpib Calibration Error Messages Error MeaningError Number List Table C-1. Error Numbers103 104 Error Messages105 Error Messages CPage 107 Line Voltage SelectionPage Mating Connector Part Numbers Earlier Version Output ConnectorsRear Panel Pinout Assignments CHG-2010-J01010-KEPPage 111 Index112 IndexScpi 113114 Canada Australia/New Zealand United States Latin AmericaEurope Asia Pacific JapanManual Updates
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