Agilent Technologies 34970A manual Scanning Overview, starting on, Totalizer Commands, starting on

Page 182

Remote Interface Reference

•SCPI Command Summary, starting on page 181

• Simplified Programming Overview, starting on page 201

•The MEASure? and CONFigure Commands, starting on page 207

•Setting the Function, Range, and Resolution, starting on page 214

•Temperature Configuration Commands, starting on page 219

•Voltage Configuration Commands, on page 223

•Resistance Configuration Commands, on page 224

•Current Configuration Commands, on page 224

•Frequency Configuration Commands, on page 225

•Scanning Overview, starting on page 226

•Single-Channel Monitoring Overview, starting on page 237

•Scanning With an External Instrument, starting on page 239

•Mx+B Scaling Overview, starting on page 244

•Alarm System Overview, starting on page 247

•Digital Input Commands, on page 255

•Totalizer Commands, starting on page 256

•Digital Output Commands, on page 258

•DAC Output Commands, on page 258

•Switch Control Commands, on page 259

•State Storage Commands, on page 261

•System-Related Commands, starting on page 264

•Interface Configuration Commands, on page 269

•RS-232 Interface Configuration, on page 270

•Modem Communications, on page 274

•The SCPI Status System, starting on page 275

•Status System Commands, starting on page 286

•Calibration Commands, starting on page 292

•Service-Related Commands, starting on page 294

• An Introduction to the SCPI Language, starting on page 296

•Using Device Clear, on page 302

If you are a first-time user of the SCPI language, you may want to refer to these sections to become familiar with the language before attempting to program the instrument.

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Contents Agilent 34970A Data Acquistion/Switch Unit User’s GuidePage Convenient Data Logging Features Flexible Data Acquisition/Switching FeaturesFront Panel at a Glance Front-Panel Menus at a Glance Display Annunciators AdrsRear Panel at a Glance Use the Menu toBenchLink Data Logger Software at a Glance 34901A 20-Channel Armature Multiplexer For detailed information and a module diagram, seePlug-In Modules at a Glance 34902A 16-Channel Reed Multiplexer34905/6A Dual 4-Channel RF Multiplexers 34903A 20-Channel Actuator/General-Purpose Switch34904A 4x8 Two-Wire Matrix Switch 34908A 40-Channel Single-Ended Multiplexer For detailed information and module block diagrams, see34907A Multifunction Module This Book Contents Contents Remote Interface Reference Application Programs Quick Start Quick Start To Prepare the Instrument for Use Connect the power cord and turn on the instrumentTo Prepare the Instrument for Use Check the list of supplied itemsInstalling BenchLink Data Logger Software Installing BenchLink Data Logger SoftwareInstallation Procedure Creating Installation Floppy Disks On-Line Help SystemTo Connect Wiring to a Module To Connect Wiring to a ModuleThermocouple DC Voltage / AC Voltage / Frequency Wire Ohms / RTD / ThermistorWire Ohms / RTD DC Current / AC CurrentSet the time of day To Set the Time and DateTo Set the Time and Date Set the dateSelect the channel to be added to the scan list To Configure a Channel for ScanningTo Configure a Channel for Scanning Select the measurement parameters for the selected channelRun the scan and store the readings in non-volatile memory View the data from the scanTo Copy a Channel Configuration To Copy a Channel ConfigurationSelect the channel To Close a ChannelTo Close a Channel Close the selected channel Open the selected channelVerify that the power-line fuse is good Verify that there is ac power to the instrumentVerify the power-line voltage setting If the Instrument Does Not Turn OnReplace the fuse-holder assembly in the rear panel Bench-top viewing positions To Adjust the Carrying HandleTo Adjust the Carrying Handle To Rack Mount the Instrument To Rack Mount the InstrumentQuick Start Page Front-Panel Overview Front-Panel Overview Front-Panel Menu Reference Front-Panel Menu ReferenceConfigure system-related instrument parameters To Monitor a Single Channel Enable monitoring on the selected channelTo disable monitoring, press again To Monitor a Single ChannelTo Set a Scan Interval Select the interval scan modeTo Set a Scan Interval Select the scan countTo Apply Mx+B Scaling to Measurements To Apply Mx+B Scaling to MeasurementsSelect which of the four alarms you want to use To Configure Alarm LimitsTo Configure Alarm Limits Select the alarm mode on the selected channelSet the limit value Select the Digital Input port To Read a Digital Input PortTo Read a Digital Input Port Read the specified portTo Write to a Digital Output Port To Write to a Digital Output PortTo Read the Totalizer Count Configure the totalize modeTo Read the Totalizer Count Select the totalizer channelSelect a DAC Output channel To Output a DC VoltageTo Output a DC Voltage Output the voltage from the selected DACSelect the Gpib Hpib interface To Configure the Remote InterfaceTo Configure the Remote Interface Select the Gpib addressSelect the flow control method Select the RS-232 interface Select the baud rateSelect the parity and number of data bits Save the changes and exit the menuSelect the storage location To Store the Instrument StateTo Store the Instrument State Store the instrument stateSystem Overview Data Acquisition System Overview Control Output, starting onAdvantages Disadvantages Computer and Interface CableData Acquisition System Overview Measurement Software Agilent BenchLink Data Logger34970A Data Acquisition / Switch Unit Model Number Module Name Common Uses Signal RoutingPlug-In Modules Cable Type Common Uses Comments System CablingSystem Cabling and Connections starting on Alarm Limits Transducers and SensorsSignal Routing and Switching Signal Routing and SwitchingSwitching Topologies Multiplexers are available in several types Channel Open Measurement Input Measurement InputInternal DMM Measurement Input Scanning Scan Count Scanning With External Instruments Multifunction Module +IN Control Output Control OutputDAC Actuator / General-Purpose Switch Page Features and Functions Mx+B Scaling, starting on Alarm Limits, starting on Scanning, starting onScpi Language Conventions Rules for Using a Channel ListScpi Language Conventions Scanning ScanningRules for Scanning Scanning Or disable it see Internal DMM Disable on Power Failure Adding Channels to a Scan List To Build a Scan List From the Front PanelTo Build a Scan List From the Remote Interface Scan Interval Set the scan interval to 5 seconds Select the interval timer configurationSee Scan Count on page 86 for more information Sweep the scan list 2 timesGroup Execute Trigger Select the bus once configurationFront-Panel Operation Ext Trig Connector Select the external trigger configurationOn page 86 for more information Report alarms on Alarm Select the alarm configurationEnable the upper limit Enable monitoringScan Count Remote Interface OperationReading Format Channel Delay Range Channel Delay Automatic Channel DelaysIntegration Time Channel Delay AC Filter Channel DelayViewing Readings Stored in Memory Readings Maximum reading on channel Minimum reading on channelTime minimum was logged Time maximum was loggedSingle-Channel Monitoring Single-Channel MonitoringROUTMONDATA? Scanning With External Instruments Scanning With External InstrumentsScanning With External Instruments Select the scan interval Select the channel advance sourceMeasurement Range General Measurement ConfigurationGeneral Measurement Configuration MV Range Measurement Resolution Integration Time, on page 103 for more information 102 Custom A/D Integration Time PLC104 Autozero Measurement Units Temperature Measurement ConfigurationTemperature Measurement Configuration Thermocouple Measurements 108 Remote Interface Operation You can use the MEASure? or RTD Measurements To connect an RTD to the module’s screw terminals, see111 Thermistor Measurements To connect a thermistor to the module’s screw terminals, seeDC Input Resistance Voltage Measurement ConfigurationVoltage Measurement Configuration Applies to dc voltage measurements onlySensvoltacband 3,@203 Select the slow filter 3 Hz AC Low Frequency FilterApplies to ac voltage and ac current measurements only Offset Compensation Resistance Measurement ConfigurationResistance Measurement Configuration To connect resistances to the module’s screw terminals, seeApplies to ac current and ac voltage measurements only Current Measurement ConfigurationCurrent Measurement Configuration Senscurracband 3,@221 Select the slow filter 3 Hz Frequency Measurement Configuration Frequency Measurement ConfigurationLow Frequency Timeout Sensfreqranglow 3,@203 Select the slow timeout 3 HzMx+B Scaling Mx+B Scaling= − GF x R 121 Alarm Limits Alarm LimitsAlarm Limits Alarm Event No Alarm Upper Limit Lower Limit Then, choose from the following alarm conditions Viewing Stored Alarm Data 127 Using the Alarm Output Lines Alarms ConnectorClear alarm output line Clear all four alarm outputsUsing Alarms With the Multifunction Module Following commands also see the example on the following Result no alarm generated Calccompdata command decimalCalccompmask command decimal Data read from port decimalDigital Input Operations Digital Input OperationsAdd port 02 read to scan list Read portRead both ports together Totalizer Operations Totalizer Operations136 137 Write to port Digital Output OperationsDigital Output Operations Write to both portsThree slots six DAC channels DAC Output OperationsDAC Output Operations System-Related Operations System-Related OperationsState Storage 141 Error Conditions Self-Test Returns 0 if the self-test is successful or 1 if it failsDisplay Control Set time to 345 PM Internal DMM DisableReal-Time System Clock Set date to June 1Firmware Revision Query HEWLETT-PACKARD,34970A,0,X.X-Y.Y-Z.ZRelay Cycle Count 148 Scpi Language Version Query You cannot query the Scpi version from the front panelGpib Address Remote Interface ConfigurationRemote Interface Configuration You can set the Gpib address from the front panel onlyRemote Interface Selection You can set the baud rate from the front panel only Baud Rate Selection RS-232Parity Selection RS-232 You can set the parity from the front panel onlyFlow Control Selection RS-232 154 Calibration Overview Calibration OverviewCalibration Security 156 Unsecure with old code Enter new codeCalibration Message Calibration Count Factory Reset State Factory Reset StateInstrument Preset State Instrument Preset StateMultiplexer Module Default Settings Multiplexer Module Default SettingsModule Overview Module Overview34901A 20-Channel Multiplexer 34901A 20-Channel MultiplexerSlot Number Name Function Comments34902A 16-Channel Multiplexer 34902A 16-Channel Multiplexer167 34903A 20-Channel Actuator 34903A 20-Channel Actuator169 34904A 4x8 Matrix Switch 34904A 4x8 Matrix SwitchName Comments 34905A/6A Dual 4-Channel RF Multiplexers 34905A/6A Dual 4-Channel RF Multiplexers173 Totalize Input 34907A Multifunction ModuleDigital Input/Output Analog Output DACTotalizer Slot Number 100 200Digital Input / Output DAC Output34908A 40-Channel Single-Ended Multiplexer 34908A 40-Channel Single-Ended Multiplexer177 178 Remote Interface Reference Scanning Overview, starting on Totalizer Commands, starting onCalibration Commands, starting on Scpi Command Summary Scpi Command SummaryRules for Using scanlist and chlist Parameters See page 226 for more information Scpi Command Summary Scan Measurement CommandsMonitor Commands See page 237 for more informationScpi Command Summary Scan Configuration Commands FORMatSee page 233 for more information Scpi Command Summary Scan Statistics CommandsScan Memory Commands See page 235 for more informationScpi Command Summary Scanning With an External Instrument See page 239 for more informationScpi Command Summary Temperature Configuration Commands See page 219 for more informationScpi Command Summary Voltage Configuration Commands See page 223 for more informationScpi Command Summary Resistance Configuration Commands See page 224 for more informationScpi Command Summary Current Configuration Commands See page 214 for more information Scpi Command Summary Mx+B Scaling Commands See page 244 for more informationScpi Command Summary Alarm Limit Commands See page 247 for more informationSee page 255 for more information Scpi Command Summary Digital Input CommandsTotalizer Commands See page 256 for more informationSwitch Control Commands Scpi Command Summary Digital Output CommandsDAC Output Commands See page 258 for more informationSee page 228 for more information Scpi Command Summary Scan Triggering CommandsState Storage Commands See page 261 for more informationScpi Command Summary System-Related Commands See page 264 for more informationSee page 269 for more information Scpi Command Summary Interface Configuration CommandsStatus System Commands See page 286 for more informationSee page 292 for more information Scpi Command Summary Calibration CommandsService-Related Commands See page 294 for more informationScpi Command Summary Ieee 488.2 Common Commands Simplified Programming Overview Simplified Programming OverviewUsing the MEASure? Command Using the CONFigure CommandUsing the range and resolution Parameters Using the READ? Command Using the INITiate and FETCh? Commands205 Trigsour EXT Init FETC? MEASure? Command Syntax MEASure? and CONFigure CommandsMEASure? and CONFigure Commands MEASureTEMPerature?5 TCouple,BEJKNRSTDEFMEASureVOLTageDC? MEASureVOLTageAC? RangeAUTOMINMAXDEF MEASureTEMPerature? RTDFRTD,8591DEFMEASureTEMPerature? THERmistor,2252500010000DEF On the 34901A multiplexer module MEASureRESistance? MEASureFRESistance? RangeAUTOMINMAXDEFMEASureCURRentDC? MEASureCURRentAC? RangeAUTOMINMAXDEF MEASureTOTalize? READRRESet ,@scanlist MEASureDIGitalBYTE? @scanlistCONFigureTEMPerature RTDFRTD,8591DEF MEASure? and CONFigure Commands CONFigure Command SyntaxCONFigureTEMPerature TCouple,BEJKNRSTDEF CONFigureTEMPerature THERmistor,2252500010000DEFCONFigureCURRentDC CONFigureCURRentAC RangeAUTOMINMAXDEF CONFigureVOLTageDC CONFigureVOLTageAC RangeAUTOMINMAXDEFCONFigureRESistance CONFigureFRESistance RangeAUTOMINMAXDEF CONFigureTOTalize READRRESet ,@scanlist CONFigureFREQuency CONFigurePERiod RangeAUTOMINMAXDEFCONFigureDIGitalBYTE @scanlist CONFigure? @chlistSee also General Measurement Configuration in starting on Setting the Function, Range, and ResolutionSetting the Function, Range, and Resolution SENSeFUNCtion function,@chlistSetting the Function, Range, and Resolution Setting the Function, Range, and Resolution Setting the Function, Range, and Resolution Setting the Function, Range, and Resolution SENSeTEMPeratureTRANsducer Temperature Configuration CommandsGeneral Temperature Commands SENSeTEMPerature Nplc 0.020.2121020100200MINMAX,@chlistTemperature Configuration Commands Thermocouple Commands SENSeTEMPeratureRJUNction? @ch list Temperature Configuration Commands RTD Commands Thermistor CommandsINPut Voltage Configuration CommandsSee also Voltage Measurement Configuration in starting on SENSe Zeroauto OFFONCEON,@chlist ZEROAUTO? @chlistSee also Current Measurement Configuration in starting on Resistance Configuration CommandsCurrent Configuration Commands See also Frequency Measurement Configuration in starting on Frequency Configuration CommandsFrequency Configuration Commands See also Scanning in starting on Scanning OverviewScanning Overview Scan Interval ROUTe Scan @scanlist SCAN? Scanning Overview Scanning CommandsTRIGger SOURce BUSIMMediateEXTernalALARm1234TIMer SOURce? ROUTeSCANSIZE?TRIGger COUNt countMINMAXINFinity COUNt? TRIGger TIMer secondsMINMAX TIMer?ROUTe CHANnelDELay seconds,@ch list CHANnelDELay? @chlist INITiate ROUTeABORt FORMat READingCHANnel Offon READingCHANnel? Scanning Overview Reading Format CommandsFORMat READingALARm Offon READingALARm? FORMat READingTIMETYPE ABSoluteRELative READingTIMETYPE? FORMat READingTIME Offon READingTIME?FORMat READingUNIT Offon READingUNIT? CALCulateAVERageMINimumTIME? @chlist Scanning Overview Scan Statistics CommandsCALCulateAVERageMINimum? @chlist CALCulateAVERageMAXimum? @chlistCALCulateAVERageCOUNt? @chlist CALCulateAVERageAVERage? @chlistCALCulateAVERagePTPeak? @chlist CALCulateAVERageCLEar @chlistDATAREMove? numrdgs Scanning Overview Scan Memory CommandsDATAPOINts? FETCh? See Reading Format Commands onSYSTemTIMESCAN? Single-Channel Monitoring Overview Single-Channel Monitoring OverviewROUTeMONitorDATA? ROUTe MONitor @channel MONitor?ROUTe MONitorSTATe Offon MONitorSTATe? Scanning With an External Instrument TRIGger SOURce BUSIMMediateEXTernalTIMer SOURce? TRIGger COUNt valueMINMAXINFinity COUNt? Scanning With an External Instrument INSTrumentDMMINSTalled? INSTrumentSee also Mx+B Scaling in starting on Mx+B Scaling OverviewMx+B Scaling Overview Mx+B Scaling Overview Mx+B Scaling Commands CALCulateCALCulateSCALeOFFSetNULL @chlist See also Alarm Limits in starting on Alarm System OverviewAlarm System Overview Alarm System Overview Calclimitupper MAX,@101LOWER 9,@101LOWERSTATE on CALCulate LIMitUPPer value,@ch list LIMitUPPer? @chlist Alarm System Overview Alarm Limit CommandsOUTPut ALARm1234SOURce @chlist ALARm1234SOURce? SYSTemALARm? CALCulate LIMitLOWer value,@ch list LIMitLOWer? @chlistOUTPut ALARmSLOPe NEGativePOSitive ALARmSLOPe? Alarm System Overview Alarm Output CommandsOUTPut ALARmMODE LATChTRACk ALARmMODE? Digital I/O Alarm Commands COMPareDATA? @chlistCOMPareMASK mask,@chlist COMPareMASK? @chlist SENSeDIGitalDATABYTEWORD? @chlist Digital Input CommandsSee also Digital Input Operations in starting on See also Totalizer Operations in starting on Totalizer CommandsSENSe TOTalizeTYPE READRRESet,@chlist TOTalizeTYPE? @chlist SENSeTOTalizeDATA? @chlist Commands see Reading Format Commands onSENSeTOTalizeCLEarIMMediate @chlist SOURceDIGitalSTATe? @chlist Digital Output CommandsDAC Output Commands SOURceSwitch Control Commands This is equivalent to pressing from the front panel ROUTeDONE?SYSTemCPON 100200300ALL RCL State Storage CommandsSAV MEMorySTATe Name 12345 ,name NAME? MEMorySTATeDELeteMEMoryNSTates? RECallAUTO?MEMorySTATeVALid? SYSTemDATE yyyy,mm,dd System-Related CommandsSee also System-Related Operations in starting on SYSTemDATE?IDN? SYSTemCTYPe?DISPlayTEXTCLEar DISPlay Offon DISPlay?DISPlay SYSTemPRESet INSTrument DMM OffonSYSTemVERSion? SYSTemERRor?See for a complete listing of the 34970A error messages Interface Configuration Commands RS-232 Interface Configuration RS-232 Interface ConfigurationRS-232 Configuration Overview RS-232 Flow Control Modes RS-232 Data Frame Format Connection to a Computer or TerminalRS-232 Troubleshooting For more information, see Flow Control Selection on Modem CommunicationsModem Communications S0=1What is an Enable Register? What is a Condition Register?What is an Event Register? Scpi Status SystemAgilent 34970A Status System Decimal Bit Number Status Byte RegisterBit Definitions Status Byte Register DefinitionUsing Service Request SRQ and Serial Poll Using *STB? to Read the Status ByteTo Determine When a Command Sequence is Completed Using the Message Available Bit MAVTo Interrupt Your Bus Controller Using SRQ Questionable Data Register Bit Definitions Questionable Data RegisterScpi Status System Standard Event Register Bit Definitions Standard Event RegisterScpi Status System Alarm Register Bit Definitions Alarm RegisterStandard Operation Register Bit Definitions Standard Operation RegisterSee the table on page 277 for the register bit definitions Status System CommandsStatus Byte Register Commands Questionable Data Register Commands See the table on page 280 for the register bit definitionsStatus System Commands Standard Event Register Commands See the table on page 282 for the register bit definitionsSTATusALARmEVENt? Status System Commands Alarm Register CommandsSTATusALARmCONDition? STATusALARmENABle enablevalue STATusALARmENABle?See the table on page 285 for the register bit definitions Status System Commands Standard Operation Register CommandsSTATusOPERationENABle enablevalue STATusOPERationENABle? STATusOPERationCONDition?DATAPOINtsEVENtTHReshold numrdgs DATAPOINtsEVENtTHReshold? Miscellaneous Status Register CommandsSTATusPRESet PSCCALibrationCOUNt? Calibration CommandsCALibration? CALibrationSECureCODE newcodeCALibrationSTRing? CALibrationSECureSTATe OFFON,code CALibrationSECureSTATe?CALibrationSTRing quotedstring CALibrationVALue value CALibrationVALue?DIAGnosticDMMCYCLesCLEar Service-Related CommandsDIAGnosticDMMCYCLes? DIAGnosticRELayCYCLes? @chlistWAI An Introduction to the Scpi Language An Introduction to the Scpi LanguageCommand Format Used in This Manual Command Separators Using the MIN and MAX ParametersIEEE-488.2 Common Commands Querying Parameter SettingsScpi Command Terminators Scpi Parameter Types 301 Using Device Clear Using Device ClearError Messages Error Messages Execution Errors 123 Execution Errors 114121 124211 Execution Errors 168178 213350 Execution Errors 230310 410Instrument Errors 226 Instrument Errors 221225 272 Instrument Errors 261271 281306 Instrument Errors 303305 511 Instrument Errors 501502 512602 Self-Test Errors601 603Calibration Errors 721 Calibration Errors 710720 722902 Plug-In Module Errors901 903318 Application Programs Application Programs Example Programs for Excel Example Programs for ExcelExcel 7.0 Example takeReadings Macro VISAaddr =323 324 Excel 7.0 Example ScanChannels Macro Dim columnIndex As Integer326 327 Example Programs for C and C++ Example Programs for C and C++++ Example dacout.c ++ Example statreg.c 331 332 Tutorial Matrix Switching, starting on TutorialSystem Cabling and Connections Cable SpecificationsSystem Cabling and Connections Ft 2 conductors Cable Type Nominal Impedance Capacitance AttenuationGrounding Techniques Separation of High-Level and Low-Level Signals Shielding TechniquesSources of System Cabling Errors Copper-to Approx. ∝V / C Where Discussion of integration timeVoltage Measured = √ V + Noise Measurement Fundamentals Measurement FundamentalsIntegration Time PLCs NMRTemperature Measurements RTDMeasurement Fundamentals Internal DMM Internal DMM Ice Bath 349 Measurement Fundamentals Nickel-Chromium Nickel-Aluminum Temperature Probe Type Pos + Lead Neg LeadIron Constantan Copper ConstantanSources of Error in Thermocouple Measurements Without Shield DC Voltage Measurements Sources of Error in DC Voltage Measurements Or greater see page 103 for a discussion of integration timeConnection a Connection B Rs + Ri 358 AC Voltage Measurements 360 361 Sources of Error in AC Voltage Measurements 363 For low frequencies + Noise Measurement Fundamentals Current Measurements Current measurements are allowed only on the 34901A moduleSources of Error in DC Current Measurements Sources of Error in AC Current MeasurementsResistance Measurements 370 Measurement Fundamentals Sources of Error in Resistance Measurements Insulating Material Resistance Range Moisture AbsorbingStrain Gage Measurements HI Source HI Sense LO Sense LO Source Strain DMM SensitivityFrequency and Period Measurements Sources of Error in Frequency and Period Measurements Low-Level Signal Multiplexing and Switching Low-Level Signal Multiplexing and SwitchingOne-Wire Single-Ended Multiplexers Two-Wire MultiplexersFour-Wire Multiplexers Signal Routing and Multiplexing Sources of Error in Multiplexing and Switching Module Bank Actuators and General-Purpose Switching Actuators and General-Purpose SwitchingSnubber Circuits RC Protection NetworksUsing Varistors Using Attenuators Matrix Switching Matrix SwitchingCombining Matrices Matrix ModuleRF Signal Multiplexing RF Signal MultiplexingSources of Error in RF Switching Insertion Loss 75ΩMultifunction Module Multifunction ModuleDigital Input Digital Output Using an External Pull-Up Driving External SwitchesTotalizer Totalizer Errors Voltage DAC Output DAC Errors Relay Life and Preventative Maintenance Relay Life and Preventative MaintenanceRelay Life Relay LoadSwitching Frequency Replacement Strategy402 Specifications DC, Resistance, and Temperature Accuracy Specifications DC, Resistance, and Temperature Accuracy SpecificationsDC Measurement and Operating Characteristics DC Measurement and Operating CharacteristicsAC Accuracy Specifications AC Accuracy SpecificationsAC Measurement and Operating Characteristics AC Measurement and Operating CharacteristicsMeasurement Rates and System Characteristics Measurement Rates and System CharacteristicsModule Specifications Module Specifications34905A, 34906A Insertion Loss 75 Ω Typical AC Performance GraphsTypical AC Performance Graphs Crosstalk 75 ΩSoftware Specifications 34907AProduct and Module Dimensions Product and Module DimensionsTo Calculate Total Measurement Error To Calculate Total Measurement Error415 Number of Digits and Overrange Interpreting Internal DMM SpecificationsInterpreting Internal DMM Specifications SensitivityCriteria ResolutionAccuracy Day and 1-Year Accuracy Temperature CoefficientsHour Accuracy Configuring for Highest Accuracy Measurements Configuring for Highest Accuracy Measurements420 Totalize Threshold jumper, 135, 175 totalizer reset mode IndexIndex 423 424 425 426 427 428 429 430 431 432 433 434 U T I O N Declaration of Conformity
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34970A specifications

Agilent Technologies 34970A is a versatile data acquisition and measurement system that has gained popularity in various industries, including research and development, manufacturing, and education. The primary purpose of the 34970A is to offer an efficient solution for data collection, monitoring, and analysis, which can significantly enhance productivity and accuracy in testing applications.

One of the main features of the 34970A is its modular design, allowing users to customize the system according to their specific measurement needs. The mainframe can accommodate up to three plug-in measurement modules, which can include various types of measurements such as analog, digital, temperature, and frequency. This modularity provides flexibility for users to tailor the system to their requirements, making it highly adaptable to different applications.

Another notable characteristic of the Agilent 34970A is its impressive channel configuration. The system can support up to 120 measurement channels when fully configured, enabling extensive data acquisition without the need for multiple devices. This capability is essential for applications requiring simultaneous monitoring of multiple parameters or locations.

The 34970A utilizes advanced signal processing technologies to ensure high-accuracy measurements. The internal 6.5-digit resolution multimeter provides precise readings, while the device also supports various input types, such as thermocouples and RTDs for temperature measurements. The ability to perform mathematical functions, such as summation and averaging, on the acquired data further enhances its usability.

For data storage and management, the Agilent 34970A features built-in memory for storing up to 20,000 readings. Users can also easily transfer data to a PC through the RS-232 interface or GPIB (IEEE 488) for further analysis and reporting. Additionally, it offers the capability to program automatic data logging and scheduling of measurements, which streamlines the testing process and reduces manual intervention.

In terms of user interface, the 34970A is equipped with a large graphical display that provides clear visualization of measurement data and easy navigation through settings and options. The menu-driven interface makes it accessible for users of all skill levels, simplifying the setup and operation of the device.

Overall, the Agilent Technologies 34970A stands out for its modularity, high channel capacity, advanced measurement technologies, and user-friendly interface. As a reliable and efficient data acquisition system, it is well-suited for a wide range of applications, making it an essential tool for engineers and technicians looking to enhance measurement precision and efficiency.
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