HP E1418A Manuel d'utilisateur

ContentsHP E1418A 8/16-Ch D/A Converter User ManualWarranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Notes10 HP E1418A User’s Manual

SYSTemThe SYSTem subsystem returns information about the module.Subsystem Syntax SYSTem:ERRor? :VERSion?SYSTem:ERRor?SYSTem:ERRor? returns an error n

TESTThe TEST subsystem provides commands used to run individual self-tests and toquery the results of previous self-tests. To run the complete set of

TEST:TST[:RESults]?TEST:TST[:RESults]? returns an array showing the result of all self-testsperformed by the *TST? query.Parameters None.Comments • T

*TST?*TST? performs all internal self-tests on the module and returns a 16-bit integerindicating the results of the self-test. All circuits on the m

TRIGgerThe TRIGger subsystem controls when and how the outputs are enabled. Other commands, designed for use with the TRIGger subsystem are ABORt and

TRIGger:SOURceTRIGger:SOURce sets the trigger source for the module.ParametersParameterNameParameterTypeRange ofValuesDefault<source> discrete

IEEE-488.2 Common Command Quick ReferenceThe following table lists the IEEE-488.2 Common (*) Commands that can be executedby the HP E1418A D/A module.

HP E1418A Command Quick ReferenceThe following table summarizes commands for the HP E1418A.Command DescriptionAPPLyn :CURRent <value | MIN | MAX

Command DescriptionOUTPut:TTLTrgn[:STATe] <OFF | ON>Specifies which VXIbus TTLTRG line is enabled to source aVXIbus trigger when the module is t

Command DescriptionSTATus :OPERation:CONDition? Returns the contents of the Operation Status ConditionRegister. Reading the register does not affect i

Reader Comment SheetHP E1418A User’s ManualEdition 2You can help us improve our manuals by sharing your comments and suggestions. In appreciation of

NotesHP E1418A Command Quick Reference110 HP E1418A SCPI Command Reference Chapter 3

Appendix AHP E1418A SpecificationsDC Voltage Range: ±16 VResolution:16 bits (488 µV steps)Monotonic to 2.0 mVAccuracy:±(% of value + volts)After cali

GeneralCharacteristicsSettling Time:300 µS (+full scale to –full scale step, single channel, to accuracy listed previously)Isolation (for isolated cha

Appendix BHP E1418A Register-Based ProgrammingThe HP E1418A 8/16 Channel D/A Module is a register-based module. It doesnot support the VXIbus word s

Addressing the RegistersTo access a specific register for either read or write operations, the addressof the register must be used. The HP E1418A use

Note Writing an address to the Logical Address Register is typically performedby the resource manager as a part of dynamic addressing. If the address

A16/A24 Windows By using window addressing, you can control the A24 space registers bymapping them onto the upper 16 of the A16 registers. This allow

The Base Address When reading or writing to a module register, a hexadecimal or decimalregister address must be specified. This address consists of a

Register Offset The register offset is the register’s location in the block of 64 bytes thatbelong to the module. For example, the module’s Status/Co

Reset and RegistersFollowing power-on or a *RST command, the registers are put into thefollowing states:– The Manufacturer ID and Device ID Registers

12 HP E1418A User’s Manual

Register MapsA16/A24 REGISTERSAddress Read Registers Write Registers TypeBase + 0016ID Register Logical Address Register VXIRequiredRegistersBase + 02

A24 REGISTERSAddress Read Registers Write Registers TypeBase + 4016Ch 01 Main_DAC Immediate Channel Main DACImmediate Registers(New output valuesappe

Address Read Registers Write Registers TypeBase + 8016Ch 01 Offset_DAC Channel Offset DACRegistersBase + 8216Ch 02 Offset_DAC Base + 8416Ch 03 Offs

Address Read Registers Write Registers TypeBase + 10016Ch 01 Voltage Offset_Cal Channel Voltage OffsetCal Storage Registers(non-volatile)Base + 10216

Address Read Registers Write Registers TypeBase + 14016Ch 01 Current Offset_Cal Channel Current OffsetCal Storage Registers(non-volatile)Base + 14216

Address Read Registers Write Registers TypeBase + 18016Calibration resistor value Calibration Registers(non-volatile)Base + 18216Calibration resistor

Register DescriptionsManufacturer IDRegisterThe Manufacturer ID Register is a VXIbus required register. A read of thisregister returns CFFF16 (-12289

Device TypeRegisterThe Device Type Register is a VXIbus required register. This registerindicates the module’s configuration as either an 8-channel D

Passed: A one (1) in this field indicates the module has finished a reset orhas completed module initialization. A zero (0) in this field indicates t

Calibration ControlRegisterThe Calibration Control Register sets and reports calibration conditions.AddressBase + 0816Bit 15 14 13 12 1110090807060504

Chapter 1Module Setup and InstallationUsing This ChapterThis chapter provides general module information and tasks you mustperform to install and pre

Cal Mode Sel: Writing a one (1) in this field sets the calibration system tocalibrate voltage. Writing a zero (0) in this field sets the calibration

Software TriggerRegisterThe Software Trigger Register provides a means to trigger the module whensoftware trigger has been selected as the trigger sou

Trigger Source: This field selects the trigger source for trigger-enabledchannels.Trigger Source SelectedBits03 02 01 00TTLTRIG0* 0000TTLTRIG1* 0001TT

Interrupt StatusRegisterThe Interrupt Status Register shows the state of the trigger ignored interruptcondition. The bit is a strobed interrupt sourc

Channel ProgramJumper RegisterThe Channel Program Jumper Register returns the state of the P/J jumper oneach channel. Additional information about th

Channel TriggerRegisterThe Channel Trigger Register reports the trigger status for each channel.AddressBase + 1816Bit 15 14 13 12 11 10 09 08 07 06 05

Channel ModeRegisterThe Channel Mode Register reports or programs the voltage or currentoperating mode for each channel.AddressBase + 1A16Bit 15 14 13

Card ControlRegisterThe Card Control Register allows for access to the A24 address space fromthe A16 address space. It also provides access to the no

Notes Each incremental value of the A24 Window offsets the window by 32 bytes.Up to 512 bytes of A24 space can be pointed to.A24 Window values 816 thr

Note The Main_DAC Triggered Registers, together with the Trigger ControlRegister, can be used to provide synchronized output changes on multiplechanne

Each output channel is individually configurable to be either an isolatedoutput or a non-isolated output. Channel configuration to isolated ornon-iso

Note A different gain value is required for voltage and current output operation.Undefined Registers The registers from C016 through FE16 are undefine

Channel VoltageGain CalibrationRegistersThe Channel Voltage Gain Calibration Registers store voltage gaincalibration constants in non-volatile memory.

Channel CurrentOffset CalibrationRegistersThe Channel Current Offset Calibration Registers store current offsetcalibration constants in non-volatile m

Channel CurrentGain CalibrationRegistersThe Channel Current Gain Calibration Registers store current gaincalibration constants in non-volatile memory.

CalibrationResistor ValueRegistersThe Calibration Resistor Value Registers store the value of the resistor usedto calibrate current output. The Calib

Current CalibrationStatus RegisterThe Current Calibration Status Register provides a non-volatile record ofthe current calibration status for each cha

CalibrationIsolation StatusRegisterThe Calibration Isolation Status Register provides a non-volatile record ofthe isolation status of each channel at

Calibration CardConfigurationRegisterThe Calibration Card Configuration Register provides a non-volatile recordof the module configuration as either a

Module SerialNumber RegistersThe Module Serial Number Registers provides a 10-byte module serialnumber stored in non-volatile memory.AddressBase + 18E

699 Reg_offset(20) = 40 ! A_24 Window Register (Channel 5 DAC and CAL).700 Reg_offset(21) = 42 ! A_24 Window Register (Channel 6 DAC and CAL).701 Reg_

Ordering Options The HP E1418A may be ordered from Hewlett-Packard in a variety ofconfigurations. As ordered, the module has the following options:De

Appendix CHP E1418A Error MessagesError TypesTable C-2 lists the error messages generated by the HP E1418A 8/16-ChannelD/A Converter Module firmware

Error MessagesTable C-2. Error MessagesCode Error Messages Potential Cause(s)–141 Invalid character data An invalid SCPI keyword was used. –211 Trigg

Code Error Messages Potential Cause(s)+3008 Invalid Calibration State An invalid sequence of calibration commands was received. For example, a CALn:CO

Notes153 HP E1418A Error Messages Appendix C

Appendix DVoltage/Current Output AdjustmentUsing This AppendixThis appendix describes adjustment procedures. The procedures in thisappendix are inte

Calibration Constants and Non-Volatile MemoryThe accuracy of a channel output depends upon a number of calibrationconstants. Calibration constants ar

Adjustment ProcedureAdjustment is performed on each channel, one at a time. Additionally,voltage output and current output each use unique calibratio

Voltage Adjustment Voltage output adjustment uses two of the CALibration subsystem queries.CALibrationn:CONFigure:VOLTage?CALibrationn:VALue:VOLTage?T

Figure D-2. Voltage Calibration Connections (CAL)Figure D-3. Voltage Calibration Connections (CHAN)Appendix D Voltage/Current Output Adjustment 15

Current Adjustment Current output uses an internal resistance value to calibrate all channels.This resistance value is approximately 244 Ω. Note You m

Functional DescriptionThe HP E1418A provides great flexibility in configuration. This functionaldescription will help you become familiar with the va

Current output adjustment uses two of the CALibration subsystem queries.Current adjustment requires voltage measurements.CALibrationn:CONFigure:CURRen

Each channel will require multiple iterations of the CALn:VAL:CURR?<value> query. A minimum of 9 queries, to a maximum of 50 queries, willbe re

Storing theAdjustmentsOnce all adjustments have been made using the procedures outlinedpreviously, you can store the new calibration constants in non-

••/*** VOLTAGE OUTPUT ADJUSTMENT ***/ for (i=1;i<num_chan+1;i++) { result = 0; while (result < 1){err=viPrintf(dac, “CAL

err=viScanf(dac, “%d”, &result); /* Enter integer returned *//*, returns a 1 when ready to calibrate */if(err < VI_SUCCESS) err_handler(dac, er

Notes165 Voltage/Current Output Adjustment Appendix D

Appendix EConfiguration and DisassemblyUsing This AppendixThis appendix contains information about the mechanical and electricallayout of the module.

1st Value Returned Indicates an 8-channel or 16-channel configuration.Bit 1514131211109876543210Use Not Used ChannelsChannels can have one of two valu

Adding 8 Channels Use this procedure to install an 8-Channel expansion kit (HP E1524A orHP E1525A). CAUTION Almost all electrical components can be da

Figure E-1. 8-Channel Disassembly169 Configuration and Disassembly Appendix E

As shown, there are four major assemblies that make up an HP E1418A:– Channels 1 through 8 main board and VXIbus backplane circuitry.– Channels 9 thro

Figure E-2. 16-Channel DisassemblyAppendix E Configuration and Disassembly 170

InstallingIsolated/Non-IsolatedPlug-on ModulesUse this procedure to install the isolated plug-on kit (HP E1523A) or tochange the channel isolation con

Figure E-3. Plug-on Channel LocationsFigure E-4. Installing Plug-on ModulesAppendix E Configuration and Disassembly 172

TroubleshootingThese procedures will help you isolate a failure to a particular assembly.The major assemblies of the HP E1418A are available on an exc

Assembly Exchange The following assemblies are available for exchange.Part Number AssemblyE1418-69201 Main board and all sheet metal. Does NOT include

Notes175 Configuration and Disassembly Appendix E

IndexHP E1418A User’s Manual*CLS, 96–100, 106*DMC, 106*EMC, 106*EMC?, 106*ESE, 106*ESE?, 106*ESR?, 106*GMC?, 106*IDN?, 40, 106*LMC?, 106*OPC, 106*OPC

constants, reloading, 68control register, 119, 129current mode, 71current process, 73–74equipment required, 155example program, 162–164interruption, 7

DIAGnostic subsystem, 76–79*DMC, 106*EMC, 106*EMC?, 106*ESE, 106*ESE?, 106*ESR?, 106*GMC?, 106*IDN?, 40, 106INITiate subsystem, 80*LMC?, 106*OPC, 106*

CAL terminals, 36, 155current calibration (CAL), 161current calibration (CHAN), 161current output, 33current output, combining, 34external trigger, 35

Front Panel ConnectorsFigure 1-3 shows the connections at the front panel connectors of the mainmodule.Figure 1-3. HP E1418A Front Panel Connector Pi

FField Kits, 15, 167Four-wire Connections, 33Front Panel Connectors, 18Functional Description, 16GGain_DAC Registers, 139*GMC?, 106HHI Channel Output

installing in mainframe, 20isolation rating, maximum, 34, 57, 112options available, 15programming examples, 39–58query current settings, 77query curre

boolean, 61defined, 61discrete, 61numeric, 61optional, 61SCPI Commands, 61Pinoutfront panel connectors, 18terminal module connectors, 30Plug-On Module

register offset, 118reset and registers, 119RegistersA16 address space, 114A16/A24 register map, 120A24 address space, 115A24 register map, 121–125add

single internal, 101Sense Leads, 33Serial Number, 40, 148Series Connections, 34SettingCAL Store Enable Jumper, 20calibrated voltage output, 148–149cal

TEST:TST[:RESults]?, 102*TST?, 103*TRG, 106Triggerchannels, 104control register, 131–132external, 54external connections, 35idle state, 80ignored inte

Offset_DAC registers, 139software trigger register, 131trigger control register, 131–132voltage calibration status register, 144VXI offset register, 1

Notes187 HP E1418A User’s Manual

Setting the Logical Address SwitchFigure 1-4 shows the logical address switch location and setting. The logicaladdress switch factory setting is 72.

Configuration Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42APPLy Output . . . . .

Module InstallationTo install the module:1. Verify the position of the CAL Store Enable Jumper for yourapplication. The Jumper, as shipped, is in th

To Remove a Module: To remove a module from a mainframe:1. Remove any terminal modules.2. Loosen the top and bottom screws securing the module in th

Terminal ModulesFour terminal modules are available for the HP E1418A; a screw-type, acrimp-and-insert type, a ribbon cable type, and an empty termina

Wiring the Terminal ModuleFigure 1-7 shows how to open and wire the HP E1418A terminal module.Figure 1-7. Wiring the HP E1418A Terminal Module (co

Figure 1-7. Wiring the HP E1418A Terminal Module (continued from previous page)24 Module Setup and Installation Chapter 1

Attaching the Terminal ModuleFigure 1-8 shows how to attach the HP E1418A terminal module.Figure 1-8. Attaching the HP E1418A Terminal ModuleChapter

Removing the Terminal ModuleFigure 1-9 shows how to remove the HP E1418A terminal module.Figure 1-9. Removing the HP E1418A Terminal Module26 Modu

Terminal Module OptionsBesides the standard screw-type terminal module, the HP E1418A can beordered with the following two options. One option (A3E)

Crimp-and-InsertTerminal ModuleAccessoriesThe following accessories are necessary for use with crimp-and-insertOption A3E:Single-Conductor andContactA

Extra Crimp-and-InsertConnectorsThe crimp-and-insert connector is normally supplied with Option A3E.Contact Hewlett-Packard if additional connectors a

SOURcen:CURRent[:LEVel][:IMMediate][:AMPLitude] . . . . . . . . . . . . . 85SOURcen:CURRent[:LEVel][:IMMediate][:AMPLitude]? . . . .

Terminal Module ConnectorsFigure 1-12 shows the connections at the terminal module connectors.Figure 1-12. HP E1418A Terminal Module Connector Pinout

Configuring the Terminal ModuleThe screw-type terminal module contains jumpers that control how theHP E1418A operates. The jumpers are shipped in a s

Options A3E and A3HTerminalsThe P/J jumper connection for each channel is named CH X PRGM JMPRin the connection diagram on page 30. With no connectio

Terminal Module ConnectionsEach channel has four output lines; HI, LO, HS (Hi Sense), and LS (LowSense). When using a channel in the voltage output m

CombiningChannelsYou can combine channels in series to obtain higher output voltages or inparallel to obtain higher output currents. Channels in Serie

Connecting anExternal TriggerSourceAn external trigger input is provided on the terminal module. Use theexternal trigger to externally synchronize mu

Using the CALOutput TerminalsThe CAL Output Terminals provide one set of connections that can be usedto calibrate the output on all 16 channels. Cali

Initial OperationThis section provides a programming example to help verify correct moduleinstallation and operation. Additional programming examples

ModuleIdentificationThis example can be used to verify that the logical address has beencorrectly set, that the module is correctly installed, and tha

Chapter 2Programming ExamplesUsing This ChapterThis chapter provides examples and descriptions of the most commonoperations using the HP E1418A. Use

Reset and Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119Register Maps .

Hewlett-Packard VTL function calls and data types typically begin with thelower case letters vi. Output and enter are performed with functions namedv

The DIAG:CONF? query returns six integers. The six integers returnedcontain the module configuration and have the following meaning.IntegerReturned M

ConfigurationExampleThe following program segment demonstrates how to read the moduleidentification string and the configuration. The configuration i

/* Decode the second integer */result = config [1]; /* Terminal Module */if (result > 0) {printf (“Module does NOT have a terminal module i

/* Decode the fifth integer */result=config[4]; /* Channel relay open or closed */if (num_chan < 9) result = result << 8; /* strip up

APPLy OutputThe APPLyn subsystem commands provide the easiest method to outputvoltages or currents./* Set channel 1 for 5.0 Volt output */APPLy1:VOLTa

The output can also be disabled before changing the mode or output value.Use the OUTPutn commands to disable the output./* Set channel 1 for 5.0 Volt

Error CheckingTo develop programs you will need to create one or more error checkingroutines. For example, you will need routines to check for errors

SCPI error checking is illustrated in the following program example. TheSCPI error routine is named sys_error. Errors found are reported to thestand

•••/*** SCPI Error check ***/void sys_err(ViSession resource) {char buf [1024] = {0};int err_no;err = viPrintf (resource, “SYST:ERR?\n”);

Making Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155Adjustment Procedure

SOURce OutputSetting an output on a channel is a three step process:– Set the channel mode (voltage or current)– Set the channel output value (volts o

Like the APPLyn commands, you can change the output value by sendingadditional SOURcen commands. Changing the output value with theSOURcen commands d

Setting the Output ModeThe output mode can be set using commands in the SOURce subsystem. SOURcen:FUNCtion:MODE VOLTageSOURcen:FUNCtion:MODE CURRentTh

Controlling the Output RelayThere are three programming methods to enable the output of a channel(close the output relay).• The APPLyn:VOLTage <val

TriggeringTo synchronize outputs to external events, backplane events, or softwareevents use the TRIGger subsystem commands. Triggering an output fro

INITiate/* Send the trigger event */TRIGger:IMMediate/* Channels 1 and 2 output the programmed voltages */Note that the channels must be

Using *OPC?As shown, the examples have made no attempt to coordinate the programexecution with the HP E1418A module. In some cases, you may need to p

Combining Output ChannelsAs described on page 34, multiple outputs may be combined to obtain highervoltage or current outputs. A triggered output is

Notes58 Programming Examples Chapter 2

Chapter 3HP E1418A SCPI Command ReferenceUsing This ChapterThis chapter describes Standard Commands for Programmable Instrumentation(SCPI) and summar

Notes6 HP E1418A 8/16-Ch D/A Converter User Manual Contents

SCPI Command FormatSCPI commands perform functions like setting outputs, querying instrument states,or retrieving data. The command structure is a hi

ImpliedCommandsImplied commands appear in square brackets ([ ]) in the command syntax. (Notethat the brackets are not part of the command and are not

LinkingCommandsLinking IEEE 488.2 Common Commands with SCPI Commands. Use asemicolon between the commands. For example:*RST;APPLy2:VOLT 10 or INIT:

ABORtThe ABORt subsystem disables the trigger system and places the trigger system inthe trigger idle state.Subsystem Syntax ABORtParameters None.Comm

APPLyThe APPLy subsystem enables and outputs a current or voltage on the specified channel.Subsystem Syntax APPLyn:CURRent <value | MIN | MAX | DEF

APPLyn:VOLTageAPPLyn:VOLTage <value | MIN | MAX | DEF> outputs a voltage on the specifiedchannel, n.ParametersParameterNameParameterTypeRange o

CALibrationThe CALibration commands are used during periodic calibration of the module.Calibration is described in Appendix D of this manual, beginnin

CALibration:CONDition?CALibration:CONDition? queries the module type and calibration status. Thequery returns four 16-bit unsigned integers.Parameter

CALibration:CONFigure:RESistance?CALibration:CONFigure:RESistance? configures the module to performcalibration of the internal calibration resistor a

CALibration:STOReCALibration:STORe loads the stored non-volatile memory calibration constantswith the calibration constants currently in use by the m

CertificationHewlett-Packard Company certifies that this product met its published specifications at the time of shipment from the factory. Hewlett-P

CALibration:VALue:RESistanceCALibration:VALue:RESistance <value> enters a new measured value to be usedas the internal calibration resistor con

CALibrationn:CONFigure:CURRent?CALibrationn:CONFigure:CURRent? configures the channel for current modecalibration and returns a 0 or 1 to indicate th

CALibrationn:CONFigure:VOLTage?CALibrationn:CONFigure:VOLTage? configures the channel for voltage modecalibration and returns a 0 or 1 to indicate th

CALibrationn:VALue:CURRent?CALibrationn:VALue:CURRent? <value> enters a measured calibration valueand returns a value indicating the present st

• A returned value of 5 (calibration aborted) is given if either:a. The command is received when the module is in voltage calibration orresistance ca

• This query returns one of the following values:Return ValueMeaning0 Calibration is complete.New constants are in RAM.1 More measurements are needed.

DIAGnosticThe DIAGnostic subsystem contains commands used to check the moduleconfiguration, enable or disable all outputs simultaneously, change a cha

DIAGnostic:CALibration:OUTPut[:MODE]?DIAGnostic:CALibration:OUTPut[:MODE]? queries the voltage calibration pathfor the module.Parameters Returns: str

DIAGnostic:OUTPut:ALL[:STATe]DIAGnostic:OUTPut:ALL[:STATe] <state> opens or closes all channel outputrelays at once.ParametersParameterNamePara

DIAGnostic:TRIGgered?DIAGnostic:TRIGgered? returns a 16-bit word indicating the current trigger statusof the module.Parameters Returns: unsigned 16-b

Frame or chassis ground terminal—typi-cally connects to the equipment’s metalframe.Alternating current (AC).Direct current (DC). Indicates hazardous v

INITiateThe INITiate subsystem changes the trigger state from idle to wait-for-trigger.Subsystem Syntax INITiate[:IMMediate]INITiate[:IMMediate]Change

OUTPutThe OUTPut subsystem provides commands to open or close the output relay oneach channel and to enable the module to output the selected trigger

OUTPut:TTLTrgn[:STATe]?OUTPut:TTLTrgn[:STATe]? queries if the specified VXIbus TTLTRG line is set tobe a source of trigger from the module.Parameters

OUTPutn[:STATe]?OUTPutn[:STATe]? queries the state of the specified channel output relay andreturns a 0 or 1.ParametersParameterNameParameterTypeRang

SOURceThe SOURce subsystem provides commands used to output a voltage or current ateach channel.Subsystem Syntax SOURcen:CURRent[:LEVel][:IMMediate][:

SOURcen:CURRent[:LEVel][:IMMediate][:AMPLitude]SOURcen:CURRent[:LEVel][:IMMediate][:AMPLitude] <value | MIN | MAX | DEF>immediately outputs the

SOURcen:CURRent[:LEVel][:IMMediate][:AMPLitude]?SOURcen:CURRent[:LEVel][:IMMediate][:AMPLitude]? [<MIN | MAX | DEF>queries the last output valu

SOURcen:CURRent[:LEVel]:TRIGgered[:AMPLitude]SOURcen:CURRent[:LEVel]:TRIGgered[:AMPLitude] <value | MIN | MAX | DEF>outputs the current set in v

SOURcen:CURRent[:LEVel]:TRIGgered[:AMPLitude]?SOURcen:CURRent[:LEVel]:TRIGgered][:AMPLitude]? [<MIN | MAX | DEF>queries the last value written

SOURcen:FUNCtion:MODESOURcen:FUNCtion:MODE <mode> configures channel n for either current orvoltage output.ParametersParameterNameParameterType

Declaration of Conformityaccording to ISO/IEC Guide 22 and EN 45014Manufacturer’s Name: Hewlett-Packard CompanyLoveland Manufacturing CenterManufactur

SOURcen:FUNCtion:MODE?SOURcen:FUNCtion:MODE? queries channel n for current or voltage outputmode. The query returns a string.ParametersParameterName

SOURcen:VOLTage[:LEVel][:IMMediate][:AMPLitude]SOURcen:VOLTage[:LEVel][:IMMediate][:AMPLitude] <value | MIN | MAX | DEF>immediately outputs the

SOURcen:VOLTage[:LEVel][:IMMediate][:AMPLitude]?SOURcen:VOLTage[:LEVel][:IMMediate][:AMPLitude]? [<MIN | MAX | DEF>queries the last output valu

SOURcen:VOLTage[:LEVel]:TRIGgered[:AMPLitude]SOURcen:VOLTage[:LEVel]:TRIGgered[:AMPLitude] <value | MIN | MAX | DEF>outputs the voltage set in v

SOURcen:VOLTage[:LEVel]:TRIGgered[:AMPLitude]?SOURcen:VOLTage[:LEVel]:TRIGgered][:AMPLitude]? [<MIN | MAX | DEF>queries the latest value writte

STATusThe STATus subsystem controls the SCPI-defined Operation and QuestionableStatus Registers and the Standard Event Register. Each is comprised of

STATus:OPERation:CONDition?STATus:OPERation:CONDition? returns the contents of the Operation StatusCondition Register. Reading the register does not

STATus:OPERation:ENABle?STATus:OPERation:ENABle? returns the value of the mask set for the OperationStatus Register.Parameters Returns: 16-bit signed

STATus:QUEStionable:CONDition?STATus:QUEStionable:CONDition? returns the value of the Questionable StatusCondition Register. Reading the register do

STATus:QUEStionable:ENABle?STATus:QUEStionable:ENABle? returns the mask set for the Questionable StatusEnable Register.Parameters Returns: 16-bit sig