Agilent-technologies U2802A Manual do Utilizador

Agilent TechnologiesAgilent U2802A 31-Channel Thermocouple Input DeviceUser’s GuideU2802A_UG.book Page I Friday, November 25, 2011

X U2802A 31-Channel Thermocouple Input User’s GuideDeclaration of Conformity (DoC)The Declaration of Conformity (DoC) for this instrument is available

Contents 1ContentsNotices IISafety Information IIIEnvironmental Conditions VIIIIn This Guide... IXDeclaration of Conformity (DoC) X1 Getting Start

Contents 2 5 CalibrationCalibration Information 54Zeroing Function 54Restore Factory Calibration 55U2802A_UG.book Page 2 Friday, November 25, 201

Contents 3List of FiguresFigure 2-1 System overview of U2802A with DAQ 20Figure 2-2 System functionality block diagram for U2802A 21Figure 2-3 Funct

Contents 4 List of TablesTable 4-1 U2802A measurement accuracy with U2355A or U2356A, at 23 °C ± 5 °C, with different number of averaging points. 43T

5Agilent U2802A 31-Channel Thermocouple InputUser’s GuideAgilent Technologies1Getting StartedIntroduction to Agilent U2802A 31-Channel Thermocouple In

1Getting Started6 Agilent U2802A 31-Channel Thermocouple Input User’s GuideIntroduction to Agilent U2802A 31-Channel Thermocouple InputThe Agilent U28

Getting Started 1Agilent U2802A 31-Channel Thermocouple Input User’s Guide 7Product OverviewProduct OutlookTop Vie wFront ViewConnector 1Connector 2De

1Getting Started8 Agilent U2802A 31-Channel Thermocouple Input User’s GuideSide ViewBottom ViewVentilation HolesU2802A_UG.book Page 8 Friday, Novemb

Getting Started 1Agilent U2802A 31-Channel Thermocouple Input User’s Guide 9Product DimensionsTop Vie wFront ViewU2802A31-Channel Thermocouple InputU2

II U2802A 31-Channel Thermocouple Input User’s GuideNotices© Agilent Technologies, Inc. 2008-2011No part of this manual may be reproduced in any form

1Getting Started10 Agilent U2802A 31-Channel Thermocouple Input User’s GuideStandard Purchase Items ChecklistInspect and verify that you have all the

Getting Started 1Agilent U2802A 31-Channel Thermocouple Input User’s Guide 11Installations and ConfigurationsThe U2802A is used in conjunction with th

1Getting Started12 Agilent U2802A 31-Channel Thermocouple Input User’s GuideIVI-COM DriversThe Agilent IVI- COM drivers simplify instrument control wh

Getting Started 1Agilent U2802A 31-Channel Thermocouple Input User’s Guide 13application will compile, link, and execute without error. The test resul

1Getting Started14 Agilent U2802A 31-Channel Thermocouple Input User’s GuideProgramming EnvironmentsAn IVI- COM driver works well in a variety of appl

Getting Started 1Agilent U2802A 31-Channel Thermocouple Input User’s Guide 157 Click IVI-COM to open the IVI- COM Driver Installation Menu.8 Check on

1Getting Started16 Agilent U2802A 31-Channel Thermocouple Input User’s Guide12 If you choose a Custom setup, the Select Features dialog box will appea

17Agilent U2802A 31-Channel Thermocouple InputUser’s GuideAgilent Technologies2Features and FunctionsFeatures 18Applications 19System Overview 20Theor

2 Features and Functions18 Agilent U2802A 31-Channel Thermocouple Input User’s GuideFeaturesThe U2802A Thermocouple Input conditioning device is compl

Features and Functions 2Agilent U2802A 31-Channel Thermocouple Input User’s Guide 19Applications The U2802A Thermocouple Input conditioning device is

U2802A 31-Channel Thermocouple Input User’s Guide IIISafety InformationThe following general safety precautions must be observed during all phases of

2 Features and Functions20 Agilent U2802A 31-Channel Thermocouple Input User’s GuideSystem OverviewFigure 2-1 System overview of U2802A with DAQ The U

Features and Functions 2Agilent U2802A 31-Channel Thermocouple Input User’s Guide 21Theory of OperationFunctionality of the SystemFigure 2-2 System fu

2 Features and Functions22 Agilent U2802A 31-Channel Thermocouple Input User’s GuideFunctional Block DiagramThe block diagram below in Figure 2- 3 ill

Features and Functions 2Agilent U2802A 31-Channel Thermocouple Input User’s Guide 23The major functional blocks of the U2802A module are:• Analog inpu

2 Features and Functions24 Agilent U2802A 31-Channel Thermocouple Input User’s GuideBypass mode: In bypass mode, the TCn+ input is routed directly to

Features and Functions 2Agilent U2802A 31-Channel Thermocouple Input User’s Guide 25Figure 2-6 Ground-referenced and differential signal sources confi

2 Features and Functions26 Agilent U2802A 31-Channel Thermocouple Input User’s GuideFor bypass mode channels that are connected to valid voltage sourc

Features and Functions 2Agilent U2802A 31-Channel Thermocouple Input User’s Guide 27Open Thermocouple DetectionThe U2802A provides a built- in 10 MΩ r

2 Features and Functions28 Agilent U2802A 31-Channel Thermocouple Input User’s GuideU2802A_UG.book Page 28 Friday, November 25, 2011 10:57 AM

29Agilent U2802A 31-Channel Thermocouple InputUser’s GuideAgilent Technologies3Pin Configurations and AssignmentsPin Configurations 30Pin Assignments

IV U2802A 31-Channel Thermocouple Input User’s GuideOff (Supply)Equipment protected throughout by double insulation or rein-forced insulationCaution,

3 Pin Configurations and Assignments30 Agilent U2802A 31-Channel Thermocouple Input User’s GuidePin ConfigurationsPin AssignmentsFigure 3-7 U2802A pin

Pin Configurations and Assignments 3Agilent U2802A 31-Channel Thermocouple Input User’s Guide 31Pin DescriptionConnector J71Pin Pin name Description1

3 Pin Configurations and Assignments32 Agilent U2802A 31-Channel Thermocouple Input User’s Guide28 TC22+ TC input or voltage input (See TC1+/– descrip

Pin Configurations and Assignments 3Agilent U2802A 31-Channel Thermocouple Input User’s Guide 33Connector J50Pin Pin name Description1GND Module Groun

3 Pin Configurations and Assignments34 Agilent U2802A 31-Channel Thermocouple Input User’s Guide31 TC26– TC input or voltage input (See TC1+/– descrip

Pin Configurations and Assignments 3Agilent U2802A 31-Channel Thermocouple Input User’s Guide 35Connector J601. Refer to the U2300A Series USB Multifu

3 Pin Configurations and Assignments36 Agilent U2802A 31-Channel Thermocouple Input User’s GuideConnector PinoutRear panel pinout for Connector 1Figur

Pin Configurations and Assignments 3Agilent U2802A 31-Channel Thermocouple Input User’s Guide 37Rear panel pinout for Connector 2Figure 3-9 Connector

3 Pin Configurations and Assignments38 Agilent U2802A 31-Channel Thermocouple Input User’s GuideU2802A_UG.book Page 38 Friday, November 25, 2011 10

39Agilent U2802A 31-Channel Thermocouple InputUser’s GuideAgilent Technologies4Product SpecificationsGeneral Specifications 40Product Characteristics

U2802A 31-Channel Thermocouple Input User’s Guide VRegulatory MarkingsThe CE mark is a registered trademark of the European community. This CE mark sh

4 Product Specifications40 Agilent U2802A 31-Channel Thermocouple Input User’s GuideGeneral SpecificationsPOWER CONSUMPTION±12 VDC, 750 mA maximumOPER

Product Specifications 4Agilent U2802A 31-Channel Thermocouple Input User’s Guide 41Product CharacteristicsGENERAL CHARACTERISTICSNumber of channels 3

4 Product Specifications42 Agilent U2802A 31-Channel Thermocouple Input User’s GuideOvervoltage protection*TC Mode†• Common mode: ±17 V (TC+ and TC– w

Product Specifications 4Agilent U2802A 31-Channel Thermocouple Input User’s Guide 43System Accuracy SpecificationsThe Agilent U2802A thermocouple inpu

4 Product Specifications44 Agilent U2802A 31-Channel Thermocouple Input User’s GuideTable 4- 2 U2802A measurement accuracy with U2355A, at 0 to 18 °C

Product Specifications 4Agilent U2802A 31-Channel Thermocouple Input User’s Guide 45Table 4- 3 U2802A measurement accuracy with U2356A, at 0 to 18 °C

4 Product Specifications46 Agilent U2802A 31-Channel Thermocouple Input User’s GuideCalculating System AccuracyThe overall measurement system comprise

Product Specifications 4Agilent U2802A 31-Channel Thermocouple Input User’s Guide 47With zeroing, the offset errors from the DAQ and the U2802A can be

4 Product Specifications48 Agilent U2802A 31-Channel Thermocouple Input User’s GuideTherefore,ETHERMOCOUPLE = 0.75% × 600 °C = 4.5 °CUsing the above i

Product Specifications 4Agilent U2802A 31-Channel Thermocouple Input User’s Guide 49System Typical PerformanceThermoelectric CharacteristicsThe thermo

VI U2802A 31-Channel Thermocouple Input User’s GuideGeneral Safety InformationWARNING• Do not use the device if it is damaged. Before you use the devi

4 Product Specifications50 Agilent U2802A 31-Channel Thermocouple Input User’s GuideTypical Error vs. Measurement PerformanceThe U2802A measurement er

Product Specifications 4Agilent U2802A 31-Channel Thermocouple Input User’s Guide 51Making Accurate Temperature MeasurementsThermocouple measurement a

4 Product Specifications52 Agilent U2802A 31-Channel Thermocouple Input User’s GuideU2802A_UG.book Page 52 Friday, November 25, 2011 10:57 AM

53Agilent U2802A 31-Channel Thermocouple InputUser’s GuideAgilent Technologies5CalibrationCalibration 54Calibration Information 54Zeroing Function 54R

5 Calibration54 Agilent U2802A 31-Channel Thermocouple Input User’s GuideCalibrationCalibration InformationThe Agilent U2802A is factory calibrated an

Calibration 5Agilent U2802A 31-Channel Thermocouple Input User’s Guide 55Restore Factory CalibrationThe Restore Factory Calibration function in the Ag

5 Calibration56 Agilent U2802A 31-Channel Thermocouple Input User’s GuideU2802A_UG.book Page 56 Friday, November 25, 2011 10:57 AM

© Agilent Technologies, Inc. 2008-2011Third Edition, October 28, 2011U2802-90003www.agilent.comAgilent TechnologiesContact usTo obtain service, warran

U2802A 31-Channel Thermocouple Input User’s Guide VIIWaste Electrical and Electronic Equipment (WEEE) Directive 2002/96/ECThis instrument complies wit

VIII U2802A 31-Channel Thermocouple Input User’s GuideEnvironmental ConditionsThe table below shows the general environmental requirements for the pro

U2802A 31-Channel Thermocouple Input User’s Guide IXIn This Guide...1Getting Started This chapter introduces the new Agilent U2802A 31- channel thermo