Agilent Technologies 6050A, 6051A Immediate Resistance Level, Triggered Resistance Level, Range

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Ranges

Resistance may be programmed in any of three overlapping ranges (low, middle, high). The range can be set at the front

panel (, , and ENTRY keys) or via the GPIB (RES:RANG command). Any value in the low range selects the low range. Any value that is within the middle range and above the maximum low-range value selects the middle range. Any value that is within the high range and above the maximum middle-range value selects the high range. Note that the values of the present resistance settings may be automatically adjusted to fit within the new range.

Immediate Resistance Level

The resistance level can be set at the front panel ( and ENTRY keys) or via the GPIB (RES command). If the CR mode is the active mode, the new setting immediately changes the input at a rate determined by the voltage or current slew setting (see description below). If the module is not in the CR mode, the new setting is saved for use when the mode is changed to CR.

Triggered Resistance Level

The resistance level can be preset (stored in the Electronic Load) allowing the input to be updated when a trigger is received instead of immediately as described above. The resistance level can only be preset via the GPIB (RES:TRIG command). The preset capability is not available at the front panel.

If the CR mode is the active mode, the preset resistance level will become the actual value and the input will be updated when a trigger occurs. If the CR mode is not the active mode, the preset resistance level will become the actual value when a trigger occurs but there will be no effect on the input until the CR mode becomes active. Once a level is triggered, subsequent triggers will have no effect on the input unless another CURR:TRIG command is sent.

Transient Resistance Level

The transient resistance level can be set at the front panel ( , and ENTRY keys) or via the GPIB

(RES:TLEV command). The transient level and the main level are used in transient operation, which is described later in this chapter. In the low resistance range, the transient level must be set to a higher resistance value than the main level. However, in the middle and high resistance ranges, the transient level must be set to a lower resistance value than the main level.

Slew Rate

Slew rate in resistance mode is not programmed in ohms/second. In the low resistance range, slew rate is programmed in volts/second. Whatever value is programmed for the voltage slew rate is also used for the low resistance range.

In the middle and high resistance ranges, slew rate is programmed in amps/second. Whatever value is programmed for the current slew rate is also used for the middle or high resistance ranges.

Constant Voltage (CV) Mode

In this mode, the module will attempt to sink enough current to control the source voltage to the programmed value (see Figure 2-4). The module acts as a shunt voltage regulator when operating in the CV mode. The CV mode can be set

at the front panel ( , and keys) or via the GPIB (MODE:VOLT command). The CV mode parameters are described in the following paragraphs.

Range

Voltage mode has only one range

20 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 OperationCalibration Considerations for Operating in Constant Resistance ModeRemote Operation Page General Information What’s In This ManualOptions Safety Requirements SpecificationsDimensions Page Introduction Operation OverviewRemote Programming Local/Remote ControlFront Panel Description Modes of Operation Extended Power OperationProgrammable Features Triggered Current Level Constant Current CC ModeImmediate Current Level Constant Resistance CR Mode Transient Current LevelSoftware Current Limit Slew RateConstant Voltage CV Mode Immediate Resistance LevelTriggered Resistance Level Transient Resistance LevelTransient Operation Triggered Voltage LevelTransient Voltage Level Pulsed Transient Operation Hpsl Command DescriptionContinuous Transient Operation Sets pulse width to 1 millisecond Selects the external trigger inputSelects pulsed transient operation 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/OffInput On/Off Saving and Recalling SettingsReading Remote Programming Errors Status Reporting Protection FeaturesResetting Latched Protection Overcurrent OverpowerOvervoltage Control Connector OvertemperatureReverse Voltage Remote SensingFault External Programming InputPage Installing The Modules InspectionPower Cord Configurations Procedure Installing The Mainframes Channel NumberRack Mounting Turn-On CheckoutCooling 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 A3Application Connections Trigger ConnectorWiring Considerations 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 Displaying Error Codes Using The System KeysSetting The Gpib Address 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 705MODECURROutput 705CHAN 1INPUT OFF Output 705MODEVOLT Pulsed Transient Operation ExampleSynchronous Toggled Transient Operation Example 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 Pause Subend Program Listing for a ModulesPause Print Voltage Calibration Line ElseEND if 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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