Agilent-technologies U2781A Manual de usuario

Agilent TechnologiesAgilent U2781A USB Modular Instrument ChassisUser’s GuideU2781A UG.book Page I Friday, November 25, 2011 10:51 AM

X U2781A User’s GuideContentsList of FiguresFigure 2-1 USB backplane block diagram 12Figure 2-2 Block diagram of Trigger Bus (TRIG [0..7]) and Trigger

ContentsU2781A User’s Guide XIFigure 2-7 Multiple Master–multiple Slave triggering 21Figure 2-8 Block diagram of temperature monitoring and fan contro

XII U2781A User’s GuideContentsList of TablesTa b l e 2 - 1 Pin information of SSI connector 11Ta b l e 2 - 2 Trigger out bits for U2300A, U2500A, a

1Agilent U2781A USB Modular Instrument ChassisUser’s GuideAgilent Technologies1Getting StartedIntroduction 2Product Overview 3Product Outlook 3Dimensi

2 U2781A User’s Guide1Getting StartedIntroductionThe U2781A USB modular instrument chassis is a 4U height chassis with six USB module slots. It is a p

Getting Started 1U2781A User’s Guide 3Product OverviewProduct OutlookFront ViewRear View Module L-Mount Kit ON/OFF switch

4 U2781A User’s Guide1Getting StartedDimensions270.00 mm271.20 mm197.00 mmU2781A UG.book Page 4 Friday, November 25, 2011 10:51 AM

Getting Started 1U2781A User’s Guide 5Standard Purchase Items ChecklistInspect and verify the following items for the standard purchase of U2781A USB

6 U2781A User’s Guide1Getting StartedInstallations and ConfigurationsIf you are using the U2781A USB modular instrument chassis with the Agilent Measu

Getting Started 1U2781A User’s Guide 7General Maintenance To remove the dirt or moisture in the chassis panel, the cleaning steps are as follows:1 Pow

II U2781A User’s GuideNotices© Agilent Technologies, Inc. 2006 - 2011No part of this manual may be reproduced in any form or by any means (including e

8 U2781A User’s Guide1Getting StartedU2781A UG.book Page 8 Friday, November 25, 2011 10:51 AM

9Agilent TechnologiesAgilent U2781A USB Modular Instrument ChassisUser’s Guide2Features and FunctionsIntroduction 10USB Backplane 11Trigger Bus (TRIG

10 U2781A User’s Guide2 Features and FunctionsIntroductionThe Agilent U2781A USB modular instrument chassis provides six USB modular slots and is equi

Features and Functions 2U2781A User’s Guide 11USB Backplane55-Pin Backplane Connector Pins Configuration11 GND +12V +12V GND USB_D+ USB_D- GND10 GND +

12 U2781A User’s Guide2 Features and FunctionsFigure 2-1 USB backplane block diagramU2781A UG.book Page 12 Friday, November 25, 2011 10:51 AM

Features and Functions 2U2781A User’s Guide 13Trigger Bus (TRIG [0..7])Trigger Bus (TRIG [0..7]) is an 8- bit digital bus connected from slot 1 to slo

14 U2781A User’s Guide2 Features and FunctionsExternal Trigger OutTrigger Out selects one of the eight lines from trigger bus (TRIG [0..7]) as an exte

Features and Functions 2U2781A User’s Guide 15External Trigger In (Star Trigger)The star trigger bus offers a very high performance or precise synchro

16 U2781A User’s Guide2 Features and FunctionsSimultaneous Synchronization (SSI)Simultaneous Synchronization (SSI) provides synchronization between th

Features and Functions 2U2781A User’s Guide 17Figure 2-4 Synchronization between modules in the chassisMASTER ModuleFPGA55-pinConnectorsUSBInterfaceTo

U2781A User’s Guide IIISafety InformationThe following general safety precautions must be observed during all phases of this instrument. Failure to co

18 U2781A User’s Guide2 Features and FunctionsSingle Master–multiple SlavesIn this configuration, only one Master module is allowed to send the SSI tr

Features and Functions 2U2781A User’s Guide 19Configuration with combination of Agilent U2300A, U2500A, U2600A Series DAQ and U2700A Series modular pr

20 U2781A User’s Guide2 Features and FunctionsTable 2-3 Example of configurations for single Master-multiple Slaves using DAQ and U2700A Series modula

Features and Functions 2U2781A User’s Guide 21Multiple Master–multiple SlavesIn this configuration, groups of single Master- multiple Slaves are allow

22 U2781A User’s Guide2 Features and FunctionsTable 2-4 Example of configurations for multiple Master–multiple SlavesM — Master, S — Slave, T0~T7 — Tr

Features and Functions 2U2781A User’s Guide 23System Reference ClockThe 10 MHz reference clock can come from two sources; internal backplane oscillato

24 U2781A User’s Guide2 Features and FunctionsChassis Temperature Monitoring The chassis contains a temperature control circuitry. It has two thermist

Features and Functions 2U2781A User’s Guide 25Fan Speed Monitoring The U2781A USB modular instrument chassis is also integrated with a fan speed contr

26 U2781A User’s Guide2 Features and FunctionsIdentifying Modules LocationGeographical AddressEach slot in the chassis is designed with a 3- bit addre

Features and Functions 2U2781A User’s Guide 27Figure 2-9 Identifying modules locationTo identify the location of the modules, a pre- configuration set

IV U2781A User’s GuideGeneral Safety InformationWARNING• Do not use the device if it is damaged. Before you use the device, inspect the case. Look for

28 U2781A User’s Guide2 Features and Functionsit, then there will be a total of seven SCPI commands to send to chassis and modules.4 During this ident

29Agilent U2781A USB Modular Instrument ChassisUser’s GuideAgilent Technologies3 Characteristics

30 U2781A User’s Guide3 Characteristics and SpecificationsProduct CharacteristicsREMOTE INTERFACE• Hi-Speed USB 2.0• USBTMC Class Device1POWER CONSUMP

Characteristics and Specifications 3U2781A User’s Guide 31WEIGHT3.7 kg (without any modules slotted in)WARRANTY Please refer to http://www.agilent.com

32 U2781A User’s Guide3 Characteristics and SpecificationsElectrical SpecificationsPower Supply AC Input Input voltage range 100 to 240 VAC Input freq

Characteristics and Specifications 3U2781A User’s Guide 33Mechanical SpecificationsPhysical LayoutNumber of USB module slots 6Dimension of each module

34 U2781A User’s Guide3 Characteristics and SpecificationsU2781A UG.book Page 34 Friday, November 25, 2011 10:51 AM

© Agilent Technologies, Inc. 2006 – 2008Printed in MalaysiaFifth Edition, November 8, 2011U2781-90003www.agilent.comAgilent TechnologiesContact usTo o

U2781A User’s Guide VWaste Electrical and Electronic Equipment (WEEE) Directive 2002/96/ECThis instrument complies with the WEEE Directive (2002/96/EC

VI U2781A User’s GuideIn This Guide…1Getting Started provides an overview of the U2781A USB modular instrument chassis, the product outlook and dimens

U2781A User’s Guide VIIDECLARATION OF CONFORMITY According to ISO/IEC Guide 22 and CEN/CENELEC EN 45014Generic example Manufacturer’s Name: Agilent Te

VIII U2781A User’s GuideProduct Regulations Performance Criteria IEC 61326-1:1997+A1:1998 / EN 61326-1:1997+A1:1998CISPR 11:1990 /

U2781A User’s Guide IXContentsContents1 Getting StartedIntroduction 2Product Overview 3Product Outlook 3Dimensions 4Standard Purchase Items Checklist