Agilent Technologies Switch/Measure Podręcznik Użytkownika

Agilent TechnologiesAgilent 34980A Multifunction Switch/Measure UnitMainframe User’s GuideAgilent Technologies, Inc.Printed in MalaysiaEdition 7Ma

2 Agilent 34980A Mainframe User’s Guide1 Introduction to the 34980AData Acquisition OverviewYou can use the Agilent 34980A as a stand- alone instrumen

92 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsSafety InterlockThe Safety Interlock feature prevents connections to the Analog Buses

Features and Functions 3Agilent 34980A Mainframe User’s Guide 93User-Defined Channel LabelsYou can assign user- defined labels to any channel, includi

94 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsFront Panel Operation: Channel (Configure) > CHANNEL LABELTo define the channel la

Features and Functions 3Agilent 34980A Mainframe User’s Guide 952-Wire Versus 1-Wire ModeYou can configure the 34923A, 34925A, and 34933A modules for

96 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsTemperature Measurement ConfigurationThis section contains information to help you con

Features and Functions 3Agilent 34980A Mainframe User’s Guide 97Thermocouple MeasurementsThe instrument supports the following thermocouple types: B,

98 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsFront Panel Operation: To select the thermocouple function on the active channel, cho

Features and Functions 3Agilent 34980A Mainframe User’s Guide 99• The resistance of an RTD is nominal at 0 °C and is referred to as R0. The instrument

100 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsThermistor MeasurementsThe instrument supports 2.2 k (YSI Series 44004), 5 k (YSI S

Features and Functions 3Agilent 34980A Mainframe User’s Guide 101Voltage Measurement ConfigurationThis section contains information to help you config

Introduction to the 34980A 1Agilent 34980A Mainframe User’s Guide 3Measurement SoftwareA variety of software tools are available for remote communicat

102 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsAC Low Frequency FilterThe instrument uses three different ac filters which enable yo

Features and Functions 3Agilent 34980A Mainframe User’s Guide 103Resistance Measurement ConfigurationThis section contains information to help you con

104 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsCurrent Measurement ConfigurationThis section contains information to help you config

Features and Functions 3Agilent 34980A Mainframe User’s Guide 105Frequency Measurement ConfigurationThis section contains information to help you conf

106 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsMx+B ScalingThe scaling function allows you to apply a gain and offset to readings du

Features and Functions 3Agilent 34980A Mainframe User’s Guide 107Front Panel Operation: DMM or Channel (Configure) > SCALING > GAIN|OFFSET|UNI

108 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsScanningThe instrument allows you to combine a DMM (either internal or external) with

Features and Functions 3Agilent 34980A Mainframe User’s Guide 109• The Analog Bus relays are automatically opened and closed as required during the sc

110 Agilent 34980A Mainframe User’s Guide3 Features and Functions• At the end of the scan, the last channel that was scanned will be opened (as well a

Features and Functions 3Agilent 34980A Mainframe User’s Guide 111To Build a Scan List From the Remote Interface• Use the ROUTe:SCAN command to define

4 Agilent 34980A Mainframe User’s Guide1 Introduction to the 34980AWeb Browser InterfaceThe 34980A incorporates in its firmware a graphic Web Browser

112 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsScan Trigger SourceYou can configure the event or action that controls the onset of e

Features and Functions 3Agilent 34980A Mainframe User’s Guide 113• The CONFigure and MEASure? commands automatically set the scan interval to immedia

114 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsRemote Interface Operation: The following program segment configures the instrument

Features and Functions 3Agilent 34980A Mainframe User’s Guide 115Front Panel Operation: Scan (Configure) > ALARMTo enable the Monitor function, se

116 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsExternal ScanningIn this configuration, the instrument sweeps through the scan list o

Features and Functions 3Agilent 34980A Mainframe User’s Guide 117Trigger CountYou can specify the number of triggers that will be accepted by the inte

118 Agilent 34980A Mainframe User’s Guide3 Features and Functions• The sweep count is valid only while scanning. If no channels have been assigned to

Features and Functions 3Agilent 34980A Mainframe User’s Guide 119• For scanning, the specified sample count sets the number of readings per channel (

120 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsChannel DelayYou can control the pacing of a scan sweep by inserting a delay between

Features and Functions 3Agilent 34980A Mainframe User’s Guide 121• To ensure you are getting the most accurate measurements possible, use care when s

Introduction to the 34980A 1Agilent 34980A Mainframe User’s Guide 5Data Acquisition CircuitryAs shown below, the 34980A's main system processor c

122 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsAC Voltage, AC Current (for all ranges):Frequency, Period:Digital Input, Totalize:

Features and Functions 3Agilent 34980A Mainframe User’s Guide 123Reading FormatDuring a scan, the instrument automatically adds a time stamp to all re

124 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsNon-Sequential ScanningBy default, the instrument scans the list of channels in ascen

Features and Functions 3Agilent 34980A Mainframe User’s Guide 125Viewing Readings Stored in Memory• During a scan, the instrument automatically adds a

126 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsRemote Interface Operation: The following command retrieves stored readings from mem

Features and Functions 3Agilent 34980A Mainframe User’s Guide 127Monitor ModeIn the Monitor mode, the instrument takes readings as often as it can on

128 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsFront Panel Operation: DMM or Channel (Measure)For channel monitoring, turn the knob

Features and Functions 3Agilent 34980A Mainframe User’s Guide 129Scanning With External InstrumentsIf your application doesn’t require the built- in m

130 Agilent 34980A Mainframe User’s Guide3 Features and Functions• For an externally- controlled scan, you must either remove the internal DMM from th

Features and Functions 3Agilent 34980A Mainframe User’s Guide 131• You can specify the number of times the instrument will sweep through the scan list

6 Agilent 34980A Mainframe User’s Guide1 Introduction to the 34980APlug-In Modules The 34980A offers a complete selection of plug- in modules to give

132 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsAlarm LimitsThe instrument has four alarms which you can configure to alert you when

Features and Functions 3Agilent 34980A Mainframe User’s Guide 133• You must configure the channel (function, transducer type, etc.) before setting any

134 Agilent 34980A Mainframe User’s Guide3 Features and Functions• The following table shows the different combinations of front- panel annunciators t

Features and Functions 3Agilent 34980A Mainframe User’s Guide 135Viewing Stored Alarm DataIf an alarm occurs on a channel as it is being scanned, that

136 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsUsing the Alarm Output LinesFour TTL alarm outputs are available on the rear- panel A

Features and Functions 3Agilent 34980A Mainframe User’s Guide 137• You can control the slope of the pulse from the alarm outputs (the selected config

138 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsUsing Alarms With the Digital ModulesYou can configure the instrument to generate an

Features and Functions 3Agilent 34980A Mainframe User’s Guide 139Remote Interface Operation (Digital Input): To assign the alarm number to report any

140 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsSequencesThis section gives information on defining and executing a sequence, which

Features and Functions 3Agilent 34980A Mainframe User’s Guide 141ABORtDISPlay:TEXT '<string>'OUTPut[:STATe] {OFF|0|ON|1}, (@<ch_lis

Introduction to the 34980A 1Agilent 34980A Mainframe User’s Guide 7Transducers and Sensors Transducers and sensors convert a physical quantity into an

142 Agilent 34980A Mainframe User’s Guide3 Features and Functions• A sequence may invoke another sequence, but may not invoke itself recursively. In a

Features and Functions 3Agilent 34980A Mainframe User’s Guide 143Querying the Sequence DefinitionOnce you have defined a sequence, you can query the d

144 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsExecuting a SequenceAfter you have defined a valid sequence, you can execute it to pr

Features and Functions 3Agilent 34980A Mainframe User’s Guide 145Executing a Sequence on an Alarm ConditionAfter you have defined a valid sequence, yo

146 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsDeleting SequencesYou can delete sequences from the front panel or over the remote in

Features and Functions 3Agilent 34980A Mainframe User’s Guide 147System-Related OperationsThis section gives information on system- related topics suc

148 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsProduct Firmware UpdatesAs new product features and enhancements become available, yo

Features and Functions 3Agilent 34980A Mainframe User’s Guide 149Front Panel Operation: Store/Recall > STORE|RECALL|DELETE|RENAME|AUTOTo rename a

150 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsError ConditionsWhen the front panel ERROR annunciator turns on, one or more command

Features and Functions 3Agilent 34980A Mainframe User’s Guide 151Self-TestA power- on self- test occurs automatically when you turn on the instrument

8 Agilent 34980A Mainframe User’s Guide1 Introduction to the 34980ASignal Routing and Switching The switching capabilities of the plug- in modules ava

152 Agilent 34980A Mainframe User’s Guide3 Features and Functions• You can display a message on the front panel by sending a command from the remote i

Features and Functions 3Agilent 34980A Mainframe User’s Guide 153Real-Time System ClockDuring a scan, the instrument stores all readings and alarms wi

154 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsRelay Cycle CountThe instrument has a Relay Maintenance System to help you predict re

Features and Functions 3Agilent 34980A Mainframe User’s Guide 155Calibration OverviewThis section gives a brief introduction to the calibration featur

156 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsTo Change the Security CodeTo change the security code, you must first unsecure the i

Features and Functions 3Agilent 34980A Mainframe User’s Guide 157Calibration MessageThe instrument allows you to store one message in calibration memo

158 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsFactory Reset StateThe following tables show the state of the instrument after a *RST

Features and Functions 3Agilent 34980A Mainframe User’s Guide 159 Module Hardware Factory Reset StateMultiplexer ModulesMatrix ModulesGP Mod

160 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsInstrument Preset StateThe following tables show the state of the instrument after a

Features and Functions 3Agilent 34980A Mainframe User’s Guide 161 Module Hardware Preset StateMultiplexer ModulesMatrix ModulesGP ModulesRF Mo

Introduction to the 34980A 1Agilent 34980A Mainframe User’s Guide 9Matrix Switching A matrix switch connects multiple inputs to multiple outputs and t

162 Agilent 34980A Mainframe User’s Guide3 Features and Functions

163Agilent 34980A Multifunction Switch/Measure UnitMainframe User’s GuideAgilent Technologies4Introduction to the Plug-In Modules for the 34980AThis c

164 Agilent 34980A Mainframe User’s Guide4 Introduction to the Plug-In Modules for the 34980AUser’s Guides for the 34980A’s Plug-In ModulesThe followi

Introduction to the Plug-In Modules for the 34980A 4Agilent 34980A Mainframe User’s Guide 165Available Modules, at a GlanceModule Description Max volt

166 Agilent 34980A Mainframe User’s Guide4 Introduction to the Plug-In Modules for the 34980ASlot and Channel Addressing SchemeThe eight module slots

Introduction to the Plug-In Modules for the 34980A 4Agilent 34980A Mainframe User’s Guide 167Interconnection Solutions OverviewDepending on your speci

168 Agilent 34980A Mainframe User’s Guide4 Introduction to the Plug-In Modules for the 34980AModule ConsiderationsThis section lists important items a

Introduction to the Plug-In Modules for the 34980A 4Agilent 34980A Mainframe User’s Guide 169Environmental Operating Limits (current and power dissipa

170 Agilent 34980A Mainframe User’s Guide4 Introduction to the Plug-In Modules for the 34980AElectrical Operating ConditionsTransients The 34921A, 349

IndexAgilent 34980A Mainframe User’s Guide 171Symbols*RST state, 158±9.9E+37 (overload), 86Numerics10BaseT/100Base Tx, 232-wire versus 1-wire mode,

10 Agilent 34980A Mainframe User’s Guide1 Introduction to the 34980ARF and Microwave SwitchingA variety of RF and microwave switch modules are also av

172 Agilent 34980A Mainframe User’s GuideIndexdate, 153dc current measurements, 104dc input resistance, 101dc voltage measurements, 101input resis

IndexAgilent 34980A Mainframe User’s Guide 173Measure keysoperation, 39measurementconfiguration, 40range, 86resolution, 87software, 3measurement

174 Agilent 34980A Mainframe User’s GuideIndexSequence key, 36sequencescatalog, 146defining, 140deleting, 146executing, 144executing on alarm, 1

IndexAgilent 34980A Mainframe User’s Guide 175

176 Agilent 34980A Mainframe User’s GuideIndex

Introduction to the 34980A 1Agilent 34980A Mainframe User’s Guide 11Measurement Input The 34980A allows you to combine a DMM (either internal or exter

Notices© Agilent Technologies, Inc. 2004-2012No part of this manual may be reproduced in any form or by any means (including electronic storage and re

12 Agilent 34980A Mainframe User’s Guide1 Introduction to the 34980A• If the input signal is an ac voltage, a converter is used to convert the ac sign

Introduction to the 34980A 1Agilent 34980A Mainframe User’s Guide 13Scanning The instrument allows you to combine a DMM (either internal or external)

14 Agilent 34980A Mainframe User’s Guide1 Introduction to the 34980A• You can manually control a scan by repeatedly pressing the Scan (Measure) key fr

Introduction to the 34980A 1Agilent 34980A Mainframe User’s Guide 15The figure below shows the external connections required to synchronize the scan s

16 Agilent 34980A Mainframe User’s Guide1 Introduction to the 34980AThe Digital Modules The 34950A and 34952A digital modules add two additional measu

Introduction to the 34980A 1Agilent 34980A Mainframe User’s Guide 17Tota li z e r The digital modules have 32- bit totalizer input channels for count

18 Agilent 34980A Mainframe User’s Guide1 Introduction to the 34980AControl Output In addition to signal routing and measurement, you can also use the

Introduction to the 34980A 1Agilent 34980A Mainframe User’s Guide 19Voltage (DAC) Output The 34951A module has four independent, isolated analog outpu

20 Agilent 34980A Mainframe User’s Guide1 Introduction to the 34980AThe Actuator / General-Purpose Switches You can think of the 34937A, 34938A, and 3

21Agilent 34980A Multifunction Switch/Measure UnitMainframe User’s GuideAgilent Technologies2Getting StartedThis chapter provides an overview of the 3

Additional Safety NoticesThe following general safety precautions must be observed during all phases of operation of this instrument. Failure to compl

22 Agilent 34980A Mainframe User’s Guide2 Getting StartedFront Panel at a Glance 1The On/Standby switch is used to toggle the 34980A between On and St

Getting Started 2Agilent 34980A Mainframe User’s Guide 23Rear Panel at a GlanceSafety Symbols Located on Rear PanelWarning. Risk of electric shockCaut

24 Agilent 34980A Mainframe User’s Guide2 Getting StartedRear Panel Connector PinoutsExternal Trigger/Alarms Connector (Male D-Sub)Analog Bus Connecto

Getting Started 2Agilent 34980A Mainframe User’s Guide 25Annunciator Display IndicatorsDisplay Indicator DefinitionLAN Lit when communicating with the

26 Agilent 34980A Mainframe User’s Guide2 Getting StartedInstalling and Connecting ModulesFor most applications, prior to using the 34980A you will se

Getting Started 2Agilent 34980A Mainframe User’s Guide 27Installing a ModuleInstalling a Module for Use with CablesIf you are planning to use an optio

28 Agilent 34980A Mainframe User’s Guide2 Getting Started2Remove the two flathead screws from the support sleeve.3 Fit the terminal block support slee

Getting Started 2Agilent 34980A Mainframe User’s Guide 29Wiring and Installing a Terminal BlockIf you are planning to use an optional terminal block w

30 Agilent 34980A Mainframe User’s Guide2 Getting Started3Make connections to the individual terminals as appropriate. Use a suitable wire type, gauge

Getting Started 2Agilent 34980A Mainframe User’s Guide 312Carefully rotate the levers upward as shown……until both levers are locked in the closed posi

32 Agilent 34980A Mainframe User’s Guide2 Getting StartedInstrument Rack MountingThe Agilent 34980A Mainframe can be mounted in a standard 19 inch ins

Getting Started 2Agilent 34980A Mainframe User’s Guide 33Agilent 34980A Dimensions (shown with Reverse Rack Mount brackets installed)425.6 mm (16.76 i

34 Agilent 34980A Mainframe User’s Guide2 Getting StartedOperating the 34980A from the Front Panel KeyboardThis section gives an overview on operating

Getting Started 2Agilent 34980A Mainframe User’s Guide 35Front Panel Menu ReferenceThis subsection provides an overview of the top two levels of menus

36 Agilent 34980A Mainframe User’s Guide2 Getting StartedConfigure Key Group Use these menus to set measurement parameters.   The

Getting Started 2Agilent 34980A Mainframe User’s Guide 37Menu Example 1: Setting the Time and DateIn this example, you will learn the fundamentals of

38 Agilent 34980A Mainframe User’s Guide2 Getting StartedMenu Example 2: Opening and Closing Channel RelaysThis example is applicable for use with any

Getting Started 2Agilent 34980A Mainframe User’s Guide 39Using the Measure KeysIn Menu Examples 2 and 3 (the following two subsections), you will use

40 Agilent 34980A Mainframe User’s Guide2 Getting StartedMenu Example 3: Configuring the DMM for a MeasurementThis example uses the internal DMM for a

Getting Started 2Agilent 34980A Mainframe User’s Guide 417Within the Measure key group, press DMM.Note that the key lights and continuous ac voltage m

Agilent 34980A Mainframe User’s Guide vContents1 Introduction to the 34980AData Acquisition Overview. . . . . . . . . . . . . . . . . . . . . . . . .

42 Agilent 34980A Mainframe User’s Guide2 Getting StartedMenu Example 4: Configuring a Channel for a MeasurementThis example uses the internal DMM for

Getting Started 2Agilent 34980A Mainframe User’s Guide 436Use the knob to select the 100 mV range for the dc voltage function.7 Continue pressing the

44 Agilent 34980A Mainframe User’s Guide2 Getting Started11To stop the continuous measurements, press Channel again. Note that as you press Channel, y

Getting Started 2Agilent 34980A Mainframe User’s Guide 45Connecting the 34980A to Your ComputerThe Agilent 34980A supports GPIB, USB, and LAN interfac

46 Agilent 34980A Mainframe User’s Guide2 Getting StartedConnecting Over LANSelecting the LAN network typeYou can connect and configure your 34980A fo

Getting Started 2Agilent 34980A Mainframe User’s Guide 47Connecting Via Site LAN1 Using a standard LAN patch cable (not supplied), connect your comput

48 Agilent 34980A Mainframe User’s Guide2 Getting Started4Press EXIT MENU, which saves any changes and defaults all other parameters in the Utility m

Getting Started 2Agilent 34980A Mainframe User’s Guide 49Connecting Via Isolated (Non-Site) LAN1 Using the CAT5 crossover cable provided with the 3498

50 Agilent 34980A Mainframe User’s Guide2 Getting Started4Press EXIT MENU, which saves any changes and defaults all other parameters in the Utility m

Getting Started 2Agilent 34980A Mainframe User’s Guide 51Connecting Over GPIB1 Make sure you have installed the required I/O software and device drive

vi Agilent 34980A Mainframe User’s GuideMenu Example 4: Configuring a Channel for a Measurement . . . . . . . . . . . . . . 42Connecting the 34980A to

52 Agilent 34980A Mainframe User’s Guide2 Getting StartedConnecting Over USB1 Make sure you have installed the required I/O software and device driver

Getting Started 2Agilent 34980A Mainframe User’s Guide 53Communicating with the 34980AYou can use either instrument drivers or SCPI (Standard Commands

54 Agilent 34980A Mainframe User’s Guide2 Getting StartedLaunching the Web Interface1 Open your Internet browser from your computer.2 From the Tools&g

Getting Started 2Agilent 34980A Mainframe User’s Guide 55Displaying the Browser Web Control Page1 From the Welcome Window, click the Browser Web Contr

56 Agilent 34980A Mainframe User’s Guide2 Getting StartedSelecting the “Allow Full Control” ModeSelect the Allow Full Control radio button as shown. O

Getting Started 2Agilent 34980A Mainframe User’s Guide 57Closing and Opening Channel Relays1 To close a channel, left- click directly on the graphic o

58 Agilent 34980A Mainframe User’s Guide2 Getting StartedModifying the Channel Configuration1 To modify the measurement configuration of individual ch

Getting Started 2Agilent 34980A Mainframe User’s Guide 59Sending SCPI Commands Via the Web InterfaceThe Web Interface provides a utility to send SCPI

60 Agilent 34980A Mainframe User’s Guide2 Getting StartedbSelect commonly used commands to send to the instrument.c Enter SCPI commands to send to the

Getting Started 2Agilent 34980A Mainframe User’s Guide 6134980A Documentation Map I f y o u w a n t t o . . . . . . G o h

Agilent 34980A Mainframe User’s Guide vii2-Wire Versus 1-Wire Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

62 Agilent 34980A Mainframe User’s Guide2 Getting Started

63Agilent 34980A Multifunction Switch/Measure UnitMainframe User’s GuideAgilent Technologies3Features and FunctionsThis chapter provides detailed info

64 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsFront Panel FeaturesFront Panel DisplayThe 34980A features a dual- line, alphanumeric

Features and Functions 3Agilent 34980A Mainframe User’s Guide 65Self-Guiding MenusThe 34980A utilizes context- sensitive, self- guiding menus for you

66 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsBasic Operating ModesThe 34980A has two basic operating modes: Front Panel Operation a

Features and Functions 3Agilent 34980A Mainframe User’s Guide 67Rules for Using a Channel ListMany of the SCPI commands for the 34980A include a chann

68 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsRemote Interface ConfigurationThe Agilent 34980A supports GPIB, USB, and LAN interface

Features and Functions 3Agilent 34980A Mainframe User’s Guide 69GPIB InterfaceEach device on the GPIB (IEEE- 488) interface must have a unique address

70 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsDHCPDHCP (Dynamic Host Configuration Protocol) is a protocol for automatically assigni

Features and Functions 3Agilent 34980A Mainframe User’s Guide 71IP AddressAn Internet Protocol (IP) Address is required for all IP and TCP/IP communic

viii Agilent 34980A Mainframe User’s GuideError Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

72 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsAuto-IPThe Auto- IP standard automatically assigns an IP address to the 34980A when on

Features and Functions 3Agilent 34980A Mainframe User’s Guide 73Subnet MaskThe instrument uses the Subnet Mask to determine if a client IP address is

74 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsDefault GatewayA Default Gateway address allows the instrument to communicate with sys

Features and Functions 3Agilent 34980A Mainframe User’s Guide 75Host NameThe Host Name is the host portion of the domain name, which is translated int

76 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsDNS ServerThe Domain Name Service (DNS) is an Internet service that translates Domain

Features and Functions 3Agilent 34980A Mainframe User’s Guide 77Domain NameA domain name is a registered name on the Internet, which is translated int

78 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsClearing 34980A MemoryFor security reasons, you may want to clear memory in the 34980A

Features and Functions 3Agilent 34980A Mainframe User’s Guide 79Analog Bus and Internal DMM ConsiderationsThis section provides important environmenta

80 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsElectrical Operating ConditionsTransients The Analog Buses and the optional internal D

Features and Functions 3Agilent 34980A Mainframe User’s Guide 81General Measurement ConfigurationThis section contains general information to help you

1Agilent 34980A Multifunction Switch/Measure UnitMainframe User’s GuideAgilent Technologies1Introduction to the 34980A This chapter provides an overvi

82 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsRemote Interface Operation: • You can use the MEASure? command without specifying a &l

Features and Functions 3Agilent 34980A Mainframe User’s Guide 83Front Panel Operation: • To configure the measurement parameters and add a channel to

84 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsAnalog BusesThe 34980A provides four 2- wire internal Analog Buses for easier signal r

Features and Functions 3Agilent 34980A Mainframe User’s Guide 85Measurement FunctionsThe following table shows which DMM measurement functions are sup

86 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsMeasurement RangeYou can allow the instrument to automatically select the measurement

Features and Functions 3Agilent 34980A Mainframe User’s Guide 87Measurement ResolutionResolution is expressed in number of digits the internal DMM can

88 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsCustom A/D Integration TimeIntegration time is the period of time the internal DMM’s a

Features and Functions 3Agilent 34980A Mainframe User’s Guide 89AutozeroWhen autozero is enabled (default), the instrument internally disconnects the

90 Agilent 34980A Mainframe User’s Guide3 Features and FunctionsTrigger DelayIn some applications, you want to allow the input to settle before taking

Features and Functions 3Agilent 34980A Mainframe User’s Guide 91Automatic Trigger DelaysIf you do not specify a trigger delay, the instrument selects