Agilent Technologies E1356A Spécifications

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

Command Quick ReferenceThe following tables summarize SCPI and IEEE 488.2 Common (*)Commands for the Relay and FET Strain Gage Multiplexers.SCPI Comma

TRIGger [:IMMediate]:SOURce BUS:SOURce DBUS:SOURce EXTernal:SOURce HOLD:SOURce IMMediate:SOURce?Causes a trigger to occur.Trigger source is *TRG.Trigg

Appendix A HP E1355A, E1356A, E1357A, E1358ASpecificationsHP E1355A/E1356A Relay Strain Gage MultiplexerHP E1357A/E1358A FET Strain Gage MultiplexerM

Maximum Voltage:Terminal to Chassis: 15V peak(input impedance less above 13V peak)Maximum Current per Channel:5 mA (non-inductive)Maximum Offset Volt

Relay LifeElectromechanical relays are subject to normal wear-out. Relay lifedepends on several factors. The effects of loading and switching freque

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Appendix BStrain Gage Equations and Material TablesRosette and Biaxial Stress State Equations Rosette Equations The following equations are used to c

Material TablesTable B-1. Wire Resistance (solid copper wire)AWG Ohms/Foot (25 ºC) Diameter (in.)18 0.0065 0.04020 0.0104 0.03222 0.0165 0.025324 0.0

Appendix CStrain Gage DiagnosticsAbout This AppendixThis appendix covers the diagnostics associated with the strain gagemultiplexers. The diagnostic

Leadwire ResistanceThe Leadwire Resistance diagnostic accessed through internal channels 8and 9 enables you to determine the resistance of the leadwir

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Procedure The leadwire resistance is determined with the following parameters:• the voltage across the lower leg 1kΩ internal half bridge resistor(V_l

1. Measure the voltage across the lower leg 1kΩ internal half bridgeresistor.MEASure:VOLT:DC? (@110)2. Measure the bridge output voltage (Vout) on

Internal Half Bridge VoltageThe Internal Half Bridge Voltage diagnostic accessed through internalchannels 10 and 11 measures the voltage across the 1k

Procedure 1. Measure the voltage on the upper bridge leg.MEASure:VOLT:DC? (@111)2. Measure the voltage on the lower bridge leg.MEASure:VOLT:DC? (@

Shunt VerificationThe Shunt Verification diagnostic accessed through internal channels 12and 13 checks the bridge completion circuitry and strain gage

Specification The nominal values of simulated tensile and compressive strain are given inTable C-2. Note that lead resistance between the strain gage

ProcedureNote This diagnostic requires that an internal channel (12 or 13) be closed with abridge completion channel (0-7) simultaneously. Since the

Guard VoltageThe Guard Voltage diagnostic accessed through internal channel 14measures the guard voltage. This measurement verifies that the guard on

Procedure Measure the guard voltage on internal channel 14.MEASure:VOLT:DC? (@114)The following example measures the guard voltage. The program assu

Bridge Excitation VoltageThe Bridge Excitation Voltage diagnostic accessed through internal channel 15 measures the bridge excitation voltage (Vs). Se

Reader Comment SheetHP E1355A/56A/57A/58A Strain Gage Multiplexer Module User’s ManualEdition 3You can help us improve our manuals by sharing your com

Appendix DStrain Gage Register-Based ProgrammingAbout This AppendixThe HP E1355A - HP E1358A Relay and FET Strain Gage Multiplexers areregister-based

Register AddressingRegister addresses for register-based devices are located in the upper 25%of VXIbus A16 address space. Every VXIbus device (up to

The Base Address When you are reading or writing to a multiplexer register, a hexadecimal ordecimal register address is specified. This address consi

A16 Address SpaceInside theCommand Moduleor MainframeWhen the A16 address space is inside the command module or mainframe(Figure B-2), the multiplexer

Register Descriptions This section describes the relay strain gage multiplexer and FET strain gagemultiplexer registers.Relay Multiplexer RegistersThe

ManufacturerIdentificationManufacturer ID. Bits 11 through 0 identify the manufacturer of thedevice. Hewlett-Packard’s ID number is 4095, which corr

The WRITERegistersThe following WRITE registers are located on the relay strain gagemultiplexers:• Control Register (base + 0416)• Tree Switch Registe

FET Multiplexer RegistersThere are five READ and six WRITE registers on the FET strain gagemultiplexer.The READ Registers The following READ registers

ManufacturerIdentificationManufacturer ID. Bits 11 through 0 identify the manufacturer of thedevice. Hewlett-Packard’s ID number is 4095, which corre

Scan ControlRegisterReading the Scan Control Register allows you to check the scan controlsettings. base + 06161514131211109876543210Read F F 1 1 1 1

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The WRITERegisters The following WRITE registers are located on the FET strain gagemultiplexer. • Control Register (base + 0416)• Scan Control Registe

Scan ControlRegisterThe Scan Control Register allows you to clear the scan list, set the triggermode, and reset the pointer to the beginning of the sc

Scan ChannelConfigurationRegisterThese bits set the channel_list for a scan list, set the type of measurement,and enable/disable the Tree Isolation sw

Direct ChannelConfigurationRegisterThe Direct Channel Register allows you to specify channels to be closedindividually. Note that the DIR bit in the

Programming ExamplesThe examples in this section demonstrate how to program a relay and FETmultiplexer switchbox at the register level. The examples

Reading the DeviceType RegisterThe Device Type Register contains the model code of the device. Themodel codes for the strain gage multiplexers are:FF

Resetting theSwitchboxThis program resets the switchbox (relay or FET) by writing to bit 0 of theControl Register.!Convert the switchbox base address

!Convert the FET switchbox base address to decimal and store the value in a !variable.COM Base_addrBase_addr=DVAL("1FDC00",16)!Set up the (e

Appendix EStrain Gage Multiplexer Error Messages Table E-1 lists the error messages associated with the strain gagemultiplexer modules programmed by

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Chapter 1Getting Started with the Strain GageMultiplexersAbout This ChapterThis chapter describes the physical and functional characteristics of the

IndexHP E1355A/56A/57A/58A Modules User’s Manual*CLS, 98*ESE, 98*ESE?, 98*ESR?, 98*IDN?, 98*OPC, 98*OPC?, 98*RCL, 98*RST, 98, 100*SAV, 98*SRE, 98*SRE

CCablesanalog bus, 22digital bus, 22twisted-shield, 27CALibration Subsystem, 70, 99CALibration:STRain, 70CardID jumpers, 14ID switch, 15 - 16numbers,

DDeclaration of conformity, 9Device Type RegisterFET multiplexer, 127model code, 124, 127reading the, 134relay multiplexer, 124DIAGnostic:PEEK?, 133DI

Full Bridgebending (FBENding), 61bending poisson (FBPoisson), 62bridge completion circuitry, 55measurements, 61 - 63poisson (FPOisson), 63single-chann

FBPoisson, 78FPOisson, 78HBENding, 78HPOisson, 78QCOMpression, 78QTENsion, 78QUARter, 78UNSTrained, 78Measurementsbridge excitation voltage, 135dynami

QQuarter Bridgebridge completion circuitry, 54leadwire diagnostics, 108measurements, 58multi-channel measurements, 36rosette measurements, 58single-ch

ROUTe:OPEN?, 82ROUTe:SCAN, 83 - 84ROUTe:SCAN:MODE, 85NONE, 85RES, 85VOLT, 85ROUTe:SCAN:MODE?, 85ROUTe:SCAN:PORT, 86ABUS, 86NONE, 86ROUTe:SCAN:PORT?, 8

block diagrams, 52card numbers, 21channel address, 22command reference, 65 - 100configurations, 19connecting, 22 - 32, 34connecting bridge completion

VVoltageand resistance measurements, 64bridge excitation, 18, 24, 135internal half bridge, 111scanning mode, 85terminals, bridge excitation, 24unstrai

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• Full Bridge Measurements - 8 Channels - Bending Full Bridge - Bending Poisson Full Bridge - Poisson Full Bridge• Guarded DCV

FET Multiplexers When the FET strain gage multiplexers are shipped from the factory, thecard ID switches are set to the "OPEN" (0) position

Setting the Card IDSwitchIn certain applications it may be necessary for the system to identify theFET strain gage multiplexer without the terminal ca

Selecting theInterrupt LineNumberThe multiplexer’s IRQ jumper/switch (Figure 1-3) selects one of seveninterrupt lines used to communicate with the sys

Internally SuppliedBridge ExcitationVoltageA feature of the strain gage multiplexer is the availability of an internallysupplied bridge excitation vol

ContentsHP E1355A/56A/57A/58A Modules User’s ManualWarranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

FET MultiplexerExcitation VoltageThe internal bridge excitation voltage for the HP E1357A/E1358A FETstrain gage multiplexers is +4.6V referenced to ma

Creating a SwitchboxInstrumentIn a switchbox instrument, signals are routed (switched) to a voltmeterexternal to the HP 75000 Series B or Series C mai

InstrumentAddressingInstruments in an HP 75000 Series B or Series C mainframe are locatedwith an HP-IB address. The HP-IB address is a combination of

Multiplexer ChannelAddressesThe strain gage multiplexer channels within the scanning multimeter andswitchbox are specified in the form:(@ccnn) - singl

Chapter 2Connecting Strain Gages to the MultiplexersAbout This ChapterThis chapter explains how the strain gage multiplexer terminal module isconfigu

Bridge SelectionJumpersThe eight bridge selection jumpers (Figure 2-1B) select the bridgearrangement for each channel individually. Thus, a single st

Bridge CompletionChannelsThe strain gages mounted to the specimen are connected to the terminalmodule bridge completion channels via the +E, -E1, -E2,

Wiring a Terminal Module26 Connecting Strain Gages to the Multiplexers Chapter 2Artisan Technology Group - Quality Instrumentation ... Guaranteed |

Strain Gage Wiring DiagramsThis section contains the wiring diagrams for the strain measurementconfigurations available with the multiplexers. The se

1/4 Bridge DiagramsFigure 2-4. Connecting Strain Gages in 1/4 Bridge Arrangements28 Connecting Strain Gages to the Multiplexers Chapter 2Artisan Te

Chapter 3. Making Strain Gage Measurements . . . . . . . . . . . . . . . . . . . . . . . . 33About This Chapter . . . .

1/2 Bridge DiagramsFigure 2-5. Connecting Strain Gages in 1/2 Bridge ArrangementsChapter 2 Connecting Strain Gages to the Multiplexers 29 Artisan T

Full BridgeDiagrams Figure 2-6. Connecting Strain Gages in Full Bridge Arrangements30 Connecting Strain Gages to the Multiplexers Chapter 2Artisan

Connecting RelayStrain GageMultiplexers to anExternal VoltmeterFigure 2-7. Connecting Relay Strain Gage Multiplexersto an External VoltmeterChapter 2

Connecting FETStrain GageMultiplexers to anExternal VoltmeterFigure 2-8. Connecting FET Strain Gage Multiplexersto an External Voltmeter32 Connecti

Chapter 3Making Strain Gage MeasurementsAbout This ChapterThis chapter contains example programs which make strain gagemeasurements with various brid

Note Except as noted, each program in this chapter assumes the strain gagemultiplexer (relay and FET) is used with the HP E1326B/E1411Bmultimeter as p

Single-Channel 1/4 Bridge MeasurementsThis program makes a 1⁄4 bridge strain measurement on channel 0 ofmultiplexer card number 1.!Clear and reset the

Multi-Channel 1/4 Bridge MeasurementsThis program makes 1⁄4 bridge strain measurements on channels 0, 1, and 2of multiplexer card number 1. !Dimension

Dynamic Strain MeasurementsThis program makes 2,000 1⁄4 bridge strain measurements over a period ofone second. The measurements are made on channel 0

Comments • The wiring diagram used for this example is on page 28.• Specifying the gage factor as 2.11E-6 returns the strainmeasurements in microstrai

DISPlay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73:MONitor:CARD

Rosette MeasurementsThis program makes a rectangular rosette measurement on channels 0, 1,and 2 of multiplexer card number 1.!Dimension a computer var

Single-Channel Bending Full Bridge MeasurementsThis program makes a bending full bridge strain measurement on channel 7of multiplexer card number 1.!C

Relay Strain Gage Measurements with an External VoltmeterThis program shows how strain measurements are made using a relay straingage multiplexer swit

Comments • The strain gage wiring diagram used for this example is on page 28.The diagram showing how the HP 3458A Multimeter is connected tothe relay

FET Strain Gage Measurements with an External VoltmeterThis program shows how strain measurements are made using a FET straingage multiplexer switchbo

Comments • The strain gage wiring diagram used for this example is on page 28.The diagram showing how the HP 3458A Multimeter is connected tothe FET s

• The FET multiplexer switchbox can be used with an externalvoltmeter without using the digital bus cable. Connect the voltmeterto the switchbox as i

Measurements with Downloaded Unstrained ReferencesIn certain applications, it may not be possible to measure unstrainedreferences ((Vout/Vs)unstrained

OUTPUT 70903;"STR:GFAC 2.11E-6,(@100:102)"CALL Ref_load(Unstr(*))FOR J=1 TO 5OUTPUT 70903;"MEAS:STR:QUAR? (@100:102)"ENTER 70903;

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Appendix A. HP E1355A, E1356A, E1357A, E1358A Specifications . . . . . . . . . . . . 101Relay Life . . . . . . . . . . . .

Chapter 4Understanding the Strain Gage MultiplexersAbout This ChapterThis chapter describes the strain measurement procedure used by theexamples in C

The unstrained reference measurement is made because of theunbalanced bridge method of strain measurement. Instead ofbalancing (nulling) the bridge b

Calculating Vr Residing in the instrument firmware are the equations used to calculate themeasured strain (Table 4-1 on page 52). One parameter commo

StrainMeasurementEquationsThe equations in the instrument firmware which calculate the measuredstrain are given in Table 4-1.Strain Gage Multiplexer B

Block DiagramDescriptionFor all strain measurements, the bridge configuration is wired from thespecimen to selected +E, -EI , -E2, H, L, and G termina

The WheatstoneBridgeThe Wheatstone Bridge Circuit shown in Figure 4-2 is the fundamentalstrain measuring circuit.When a strain gage is wired to a brid

For a full bridge arrangement, strain gages comprise all four arms of theWheatstone Bridge (Figure 4-5). Note the position of the bridge selectionjum

The Chevron Bridge When measuring strain with 1⁄4 and 1⁄2 bridge arrangements, the strain gageaccessories use a variation of the Wheatstone Bridge kno

The Wagner Ground To increase measurement accuracy, the relay strain gage multiplexerscontain a Wagner Ground circuit similar to that shown in Figure

Note When using the FET multiplexers with several strain gages on a singlespecimen, only one guard lead needs to be connected since the guard is not&q

Programming Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133Reading the ID Register

1/2 BridgeMeasurementsIn a 1⁄2 bridge arrangement, there are two active elements (gages) within theWheatstone Bridge circuit (Figure 4-9). The 1⁄2 br

Poisson 1/2 Bridge(HPOisson)In applications where there is no equal strain of opposite sign as there is forthe beam in Figure 4-10, an increase in mea

Full BridgeMeasurementsIn a full bridge arrangement, strain gages are used in all four legs of theWheatstone Bridge circuit (Figure 4-13). The full b

Bending Poisson FullBridge (FBPoisson)In applications where there is no equal strain of opposite sign as there is forthe beam in Figure 4-14, Poisson

Poisson Full Bridge(FPOisson)In applications where the specimen is stressed lengthwise, the measurementsensitivity is increased and temperature compen

Voltage and Resistance MeasurementsThe strain gage multiplexers can be used for DC voltage and 2-wire ohmsmeasurements. When making these measurement

Chapter 5Strain Gage Multiplexer CommandReference About This Chapter This chapter describes Standard Commands for Programmable Instruments(SCPI) comm

Command Separator A colon (:) always separates one command from the next lower levelcommand as shown below:CALibration:ZERO:AUTOColons separate the ro

Parameters Parameter Types. The following table contains explanations and examplesof parameter types you might see later in this chapter.Parameter Ty

ABORtThe ABORt subsystem stops a scan in progress when the scan is enabled andthe trigger modes are TRIGger:SOURce BUS or TRIGger:SOURce HOLD.Subsyst

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ARMThe ARM subsystem selects the number of scanning cycles (1 through32767) for each INITiate command. This command does not apply todownloaded FET m

CALibrationThe CALibration command subsystem is an HP E1326B/E1411BMultimeter subsystem used to measure the unstrained reference voltagefor each chann

CONFigureThe CONFigure command subsystem is an HP E1326B/E1411BMultimeter subsystem which configures the multimeter for strainmeasurements. Unlike ME

:STRain CONFigure:STRain[:<strain_function>] <channel_list> configures themultimeter for strain measurements using the specified bridge a

DISPlayThe DISPlay subsystem monitors the state of the selected multiplexerchannel. This command can only be used when the relay or FET strain gagemu

:MONitor[:STATe] DISPlay:MONitor[:STATe] <mode> turns the monitor mode on or off.ParametersParameter Name Parameter Type Range of Valuesmode Bo

INITiateThe INITiate subsystem selects continuous scanning cycles and starts thescanning cycle.Subsystem Syntax INITiate:CONTinuous <mode>:CONTi

:CONTinuous? INITiate:CONTinuous? queries the scanning state. With continuousscanning enabled, the command returns 1. With continuous scanningdisab

MEASureThe MEASure command subsystem is an HP E1326B/E1411B Multimetersubsystem which configures the multimeter for strain measurements. Afterconfigu

:STRain MEASure:STRain[:<strain_function>]? <channel_list> measures strainusing the specified bridge arrangement on the specified channel

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

OUTPutThe OUTPut subsystem enables or disables the "Trig Out" port of the HPE1300/E1301 Mainframe.Subsystem Syntax OUTPut[:STATe] <state&

[ROUTe:]The [ROUTe:] subsystem controls switching and scanning operations for themultiplexer modules in a switchbox configuration.Subsystem Syntax [RO

• Closing Channels - FET multiplexers: To close:– a single channel, use CLOSe (@ccnn);– single channels on different cards, use CLOSe (@ccnn,ccnn).Cl

OPEN [ROUTe:]OPEN <channel_list> opens multiplexer channels specified inthe channel_list. The channel_list is in the form (@ccnn), (@ccnn,ccnn

SCAN [ROUTe:]SCAN <channel_list> defines the switchbox channels to bescanned. The channel_list is in the form (@ccnn), (@ccnn,ccnn),(@ccnn:ccn

Example Scanning Using External DevicesThe following segments show how relay and FET strain gage multiplexerswitchboxes are configured for strain meas

SCAN:MODE [ROUTe:]SCAN:MODE <mode> sets the multiplexer channels defined bythe [ROUTe:]SCAN <channel_list> command for None, Volts, or 2-

SCAN:PORT [ROUTe:]SCAN:PORT <port> enables or disables the tree isolationswitches (FET multiplexers), or the AT, BT, and AT2 tree switches (rel

SETTling[:TIME] [ROUTe:]SETTling[:TIME] <time> , <channel_list> sets the delaybetween the multiplexer’s receipt of a trigger command, and

[SENSe:]The [SENSe:] command subsystem is an HP E1326B/E1411B Multimetersubsystem used to specify the Gage Factor and Poisson Ratio for straingage mea

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

STRain:GFACtor? [SENSe:]STRain:GFACtor? <channel_list> returns the gage factor set forthe channel specified.ParametersParameter Name Parameter

STRain:UNSTrained [SENSe:]STRain:UNSTrained <reference> , <channel_list> downloads a(previously measured and stored) unstrained reference

STATusThe STATus subsystem reports the bit values of the Operation StatusRegister. This subsystem enables a bit to be set to 1 in the Status Register

SYSTemThe SYSTem subsystem returns the error numbers and error messages inthe error queue of a switchbox, and returns the types and descriptions ofmul

:CPON SYSTem:CPON <number> | ALL opens all channels of a selectedmultiplexer or all channels of all multiplexers in a switchbox.ParametersParam

:ERRor? SYSTem:ERRor? returns the error numbers and corresponding errormessages in the error queue of a switchbox. See Appendix E for a listing ofsw

TRIGgerThe TRIGger subsystem commands control the triggering operations of themultiplexer switchbox.Subsystem Syntax TRIGger [:IMMediate] :SOURce <

Comments • Enabling the Trigger Source: The TRIGger:SOURce commandonly selects the trigger source. The INITiate[:IMMediate] commandenables the trigge

Scanning Using Bus TriggersTRIG:SOUR BUS Sets trigger source to bus.SCAN (@100:107) Sets channel list.INIT Starts scanning cycle.*TRG Advances channe

IEEE 488.2 Common CommandsThe following table lists the IEEE 488.2 Common (*) Commands that the8-Channel Relay and FET Strain Gage Multiplexer Modules