Agilent Technologies 6050A Selects the external trigger input source, Selects toggled operation

Page 24

HPSL Command

Description

TRIG:SOUR EXT

Selects the external trigger input source.

TRAN:MODE TOGG

Selects toggled operation.

CURR 5

Sets main current level to 5 amps.

CURR:TLEV 10

Sets transient current level to 10 amps.

TRAN ON

Turns on transient operation.

Figure 2-7 shows the waveform that would result for this toggled transient operation example. Operation is similar to that described for continuous and pulse operation, except that each time a trigger is received the input alternates between the main and transient current levels.

Figure 2-7. Toggled Transient Operation

Triggered Operation

The Electronic Load has various triggering modes to allow synchronization with other test equipment or events. The triggering circuits are located in the mainframe, and all modules receive the trigger simultaneously (although each module is programmed individually as to what operation, if any, will be triggered. As described previously, triggering can be used for the following applications:

Triggering a preset level

Transfers all pending preset levels to the actual level. For the presently active mode, the

 

new level appears at the input. For the modes which are not presently active, the preset

 

levels will not take effect at the input until the applicable mode becomes active.

Triggering a transient pulse

Generates a transient pulse of programmable width when pulsed transient operation is in

 

effect.

Toggling

Changes the input between the main level and the transient level when toggled transient

 

operation is in effect.

Three triggering methods are available over the GPIB: the GET function, the *TRG common HPSL command, and the TRIG subsystem HPSL command (refer to Agilent Electronic Loads Programming Reference Guide ). The HPSL TRIG subsystem allows you to select either the ac line frequency, internal timer, or TRIG command as the trigger source. There is also a TRIGGER connector on the rear panel for external trigger inputs. Triggering cannot be done via the front panel.

*TRG and the TRIG command are both synchronous with other commands; that is, the modules are not triggered until pending operations are completed. GET, external triggers, ac-line triggers, and internal-timer triggers are all asynchronous; that is, the modules are triggered as soon as the trigger signal is received.

If the ac line is selected via the GPIB as the trigger source, triggers will be generated once for each cycle of ac input power. An ac line frequency of 60 Hz produces a trigger period of 16.67 ms; 50 Hz line frequency produces a trigger

period of 20 ms.

24 Operation Overview

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Contents Operating Manual Certification Safety Summary Safety Summary Symbol DescriptionHerstellerbescheinigung Manufacturer’s DeclarationPrinting History Page Table of Contents Installation Local OperationConsiderations for Operating in Constant Resistance Mode Remote OperationCalibration Page What’s In This Manual OptionsGeneral Information Safety Requirements SpecificationsDimensions Page Introduction Operation OverviewLocal/Remote Control Front Panel DescriptionRemote Programming Extended Power Operation Programmable FeaturesModes of Operation Constant Current CC Mode Immediate Current LevelTriggered Current Level Constant Resistance CR Mode Transient Current LevelSoftware Current Limit Slew RateConstant Voltage CV Mode Immediate Resistance LevelTriggered Resistance Level Transient Resistance LevelTriggered Voltage Level Transient Voltage LevelTransient Operation Hpsl Command Description Continuous Transient OperationPulsed Transient Operation Selects the external trigger input Selects pulsed transient operationSets pulse width to 1 millisecond Triggering a preset level Selects the external trigger input sourceSelects toggled operation Triggering a transient pulseSlew Rate And Minimum Transition Time Risetime Transition LimitationInput Current, Voltage, and Power Measurement Transition Times and Slew Rates Short On/OffSaving and Recalling Settings Reading Remote Programming ErrorsInput On/Off Protection Features Resetting Latched ProtectionStatus Reporting Overpower OvervoltageOvercurrent Control Connector OvertemperatureReverse Voltage Remote SensingFault External Programming InputPage Installing The Modules InspectionPower Cord Configurations Procedure Installing The Mainframes Channel NumberTurn-On Checkout CoolingRack Mounting Line Voltage Switches Changing Line VoltageGpib Errors Channel Errors DescriptionTurn-On/Selftest Display DescriptionPower Test Controller ConnectionRear Panel Connectors and Switches Wire Size Strip backGpib Address AWGInput Binding Post Control Connector Sense SwitchPins Al and A2 +Sand -SIM and VM Com pin A3Trigger Connector Wiring ConsiderationsApplication Connections Stranded Copper Wire Ampere Capacity Wire Size AmpacityLocal Sense Connections Remote Sense ConnectionsMaximum Wire Lengths to Limit Voltage Drops Zero-Volt Loading Connections12. Local Sensing 14. Parallel Operation Page Local Operation Local OperationControls and Indicators Description Chan Keys Function Keys Local Control Overview Using The Chan Keys Using The Function Keys Selecting the ChannelIdentifying the Selected Channel Turning the Input On/OffRecommended Programming Sequence Setting the Mode of Operation Setting CC ValuesProgramming Ranges ExamplesSetting CR Values Examples Setting CV Values Programming RangeTransient Operation Shorting The Input Using The System Keys Setting The Gpib AddressDisplaying Error Codes Changing Wake-up Settings Recalling the Factory Default ValuesPage Enter/Output Statements Gpib AddressOutput EnterSending a Remote Command Selecting a ChannelGetting Data Back Output 705 MeascurrRemote Programming Commands CC Mode Example CV Mode ExampleOutput 705INPUT on Output 705MEASCURR? Output 705 Chan 2INPUT OFF Output 705MODEVOLTRemote Programming Flowchart Sheet Remote Programming Flowchart Sheet CR Mode Example Output 705INPUT on Output 705MEASPOW?Continuous Transient Operation Example Output 705CHAN 2INPUT OFF Output 705MODECURRPulsed Transient Operation Example Synchronous Toggled Transient Operation ExampleOutput 705CHAN 1INPUT OFF Output 705MODEVOLT Output 705 Trigsour TIM Page Equipment Required CalibrationCalibration Commands CharacteristicsEquipment Required for Calibration Recommended ModelCalibration Flowcharts Example ProgramsCalibration Flowchart for a Modules Calibration Flowchart for a Modules Calibration Flowchart for a Modules Program Listing for a Modules PausePause Subend Print Voltage Calibration Else END ifLine 610 Set low calibration point Calibration Flowchart for B Modules Calibration Flowchart for B Modules Calibration Flowchart for B Modules Program Listing for B Modules Clear Screen Print TABXY10,10CALIBRATION DoneWait 1260 If Flag then 1270 Output @LdRESReshipt 1280 Considerations For Operating In Constant Resistance Mode Considerations For Operating In Constant Resistance ModeConsiderations For Operating In Constant Resistance Mode Index IndexIndex Index 19, 20, 21 Agilent Sales and Support Offices Agilent Sales and Support OfficesManual Updates

6051A, 6050A specifications

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