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Manual Agilent Technologies U2781A

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  • Agilent Technologies U2781A - page 1

    Agilent T echnologies Agilent U2781A USB Modular Instrument Chassis User’ s Guide ...

  • Agilent Technologies U2781A - page 2

    2 U2781A User’s Guide Notices © Agilent T echnologies, Inc. 2006 N o p a rt o f t h i s m a n u a l m a y be r e p r o d u c e d i n any form or by any means (including elec- tronic storage and retrieval or translation into a foreign language) without prior agree- ment and written consen t from Agilent T echnologies, Inc. as governed by United S ...

  • Agilent Technologies U2781A - page 3

    U2781A User’s Guide 3 Safety Symbols Regulatory Markings Direct current Caution, risk of danger . The CE mark shows that the product complies with all the relevant European le gal Directives (if accompanied by a year , it signifies when the design was proven). The CSA mark is a registered trademark of the Canadian Sta ndards Association. A CSA ma ...

  • Agilent Technologies U2781A - page 4

    4 U2781A User’s Guide In This Guide… This guide cont ains information of product, features, functions and information on ho w to inst all the A gilent U2781A USB modular instrument chassis. 1 Getting Acquainted In th is ch apter yo u are i ntr oduc ed to a n o ve rvie w of the pr odu ct features, applications a nd specif ications. 2 Installatio ...

  • Agilent Technologies U2781A - page 5

    U2781A User’s Guide 5 DECLARATION OF CONFORMITY According to ISO/IEC Guide 22 and CEN/CENELEC EN 45014 Generic exampl e Manufactu rer’s Name: Agilent T echnologies M icrowave Pro ducts (M) Sdn. Bhd Manufactu rer’s Address: Bayan Lepas Free Industri al Zone, 11900, Ba yan Lepas, Pen ang, Malays ia Declares under sole responsibilit y that the p ...

  • Agilent Technologies U2781A - page 6

    6 U2781A User’s Guide Product Regulations Perf or m ance Crit eria IEC 6132 6-1:1997+ A1:1998 / E N 61326-1: 1997+A1:19 98 CISPR 11:1 990 / EN 550 11:1991 – Group 1 Clas s A IEC 61000- 4-2:1995+A 1:1998 / EN 61000-4-2:1 995 (ESD 4kV CD, 8kV AD) B IEC 6100 0-4-3:1995 / EN 61000- 4-3:1995 (3V/m, 80% AM) A IEC 6100 0-4-4:1995 / EN 61000- 4-4:1995 ...

  • Agilent Technologies U2781A - page 7

    U2781A User’s Guide 7 Contents 1 Getting Acquainted 9 Introduction 10 Features 11 Applications 11 Checking the Contents 11 Product Outlook 12 General Specifications 13 Electrical Specifications 14 Mechanical Specifications 15 2 Installation 17 L-Mount Kit Installation 18 Modular Chassis Installation 19 System Requirements 20 Hardware Requirements ...

  • Agilent Technologies U2781A - page 8

    8 U2781A User’s Guide Contents Identifying Modules Location 36 Georgraphical Address 36 Modules Identification 36 Simultaneous Synchronization (SSI) 38 4 General Main tenance 41 ...

  • Agilent Technologies U2781A - page 9

    9 Agilent U2781A USB Modu lar Instrument Chassis User’s Guide Agilent T echnologies 1 Getting Acquainted Introduction 10 Features 11 Application s 11 Checking the Contents 11 Product Outlook 12 General Spec ifications 13 Electrical Specifications 14 Mechanical Specificatio ns 15 This chapter gives an int roduction an d overview of the pro duct fe ...

  • Agilent Technologies U2781A - page 10

    10 U2781A User’s Guide 1 Getting Acq uainted Introduction The U2781A USB modular instru ment chassis is a 4U height chassis with six USB module s lots. It is a port able chassis with high performanc e added value. It t argets a wide range of applications in both ind ustrial and scientif ic envi ronments. It helps y ou lo wer y our cost of test an ...

  • Agilent Technologies U2781A - page 11

    Getting Acquainted 1 U2781A User’s Guide 11 Features The ke y features of the U2781A modular instrument chassis are as fo ll ow s: • Simult aneous Synchronization (SSI) • St ar trigger • Internal and ext ernal 10 MHz reference clock • Trigg er in and trigger out signals • SCPI commands • IVI- COM driver com patibility • USBTMC 488.2 ...

  • Agilent Technologies U2781A - page 12

    12 U2781A User’s Guide 1 Getting Acq uainted Product Outlook Front V iew Rear View Module L-Moun t Kit Bumper ON/OFF T rigger In USB Port T rigger O ut Ext 10 MHz AC I nput 270 mm 197 mm switch ...

  • Agilent Technologies U2781A - page 13

    Getting Acquainted 1 U2781A User’s Guide 13 General Specifications REMOTE INTERF ACE • USB 2.0 High Speed • USBTMC Class Device POWER CONSUMPTION • 400 V A maximum • Installati on Category II OPERA TING ENVIRONMENT • Operating temperature from 0 ° C to +55 °C • Relative humidity at 15% to 8 5% RH (non-condensing) • Altitude up to ...

  • Agilent Technologies U2781A - page 14

    14 U2781A User’s Guide 1 Getting Acq uainted Electrical Specifications Power Supply AC Input Input voltage ran ge 100 to 240 V AC Input freq uency range 50 to 60 Hz Power consumption 400 V A maximum Effiency 75% Power Supply DC Output Output r ated voltage 12 VDC Max output rated current 16.7 A Max out put rated powe r 200 W Over voltage protecti ...

  • Agilent Technologies U2781A - page 15

    Getting Acquainted 1 U2781A User’s Guide 15 Mechanical Specifications Physical Layout Number of USB module slots 6 Dimension of e ach module slot 25.40 mm (W) x 17 4.54 mm (D) x 105.00 mm (H) Dimension of chassis 270.00 mm (W) x 2 71.20 mm (D) x 197.00 mm (H) W eight 3.7 kg Power LED ON/OFF type USB Backplane Connector 55 pins Ernet male type C I ...

  • Agilent Technologies U2781A - page 16

    16 U2781A User’s Guide 1 Getting Acq uainted ...

  • Agilent Technologies U2781A - page 17

    17 Agilent U2781A USB Modu lar Instrument Chassis User’s Guide Agilent T echnologies 2 Installation L-Mount Kit Inst allation 18 Modular Chassis Installation 19 System Requirements 20 Hardware Requirements 20 Software Requir ements 21 DAQ Driver Installation 21 Hardware V erification 25 Agilent Measurement Manage r Software Installation 25 This c ...

  • Agilent Technologies U2781A - page 18

    18 U2781A User’s Guide 2 Installation L-Mount Kit Installation In order to slot in the USB module into t he U2781A USB modular instrument chassis, you need to f ix the L - Mount kit on both sides of the U2300A series D A Q. Bel o w are sim pl e ins truct ions to ins tall th e L - M ount kit o nto th e U2300A series D A Q. The instructions in page ...

  • Agilent Technologies U2781A - page 19

    Installation 2 U2781A User’s Guide 19 Modular Chassis Installation Fig ures bel o w sho w the i nstal lat ion of the USB m odu le in to the U2781A modular instrument chassis. Follo w the ar ro ws sho wn below . chassis screws onto the modular Secure both the thumb Step 2 Step 1 Slot in the USB module into the modular chassis. Make sure that the 5 ...

  • Agilent Technologies U2781A - page 20

    20 U2781A User’s Guide 2 Installation System Requirements Prior to inst alling the Agilent Measurement Manager sof tware and the USB D A Q dr iver , make sure y our PC meets the f ollo wing minimum system requ irements. Hardware Requirements Processor 500 MHz P entium III or higher required (1 GHz is rec ommended) Operating system Windows 2000/XP ...

  • Agilent Technologies U2781A - page 21

    Installation 2 U2781A User’s Guide 21 Software Requirements Software requirements A gilent IO Libraries Su it e, T&M T oolkit and Microsoft .NET F ramew ork version 1.0 and 2.0 The Agilent IO Lib raries Suite version 14.2 and abov e is recommended. If possible, you should use the current version of the Agilent IO Libr aries Suite . Alternativ ...

  • Agilent Technologies U2781A - page 22

    22 U2781A User’s Guide 2 Installation Installing the USB DAQ driver 1 U npack the U2781A USB modular instru ment chassis. 2 Insert the Product Refer ence CD- ROM in to the CD- ROM dri ve. 3 Installer will automatically execute the Agilent U2300 Series Installation Menu. Click Hardware Driver to beg in the ins t al lat ion o f USB D A Q driv er . ...

  • Agilent Technologies U2781A - page 23

    Installation 2 U2781A User’s Guide 23 5 The Agilent USB D A Q Driver dialog bo x will appear as sho wn in fig ure 2- 2. Cli ck Next to pr ocee d. Figure 2-2 6 Click Install to begin inst allation. Figure 2-3 ...

  • Agilent Technologies U2781A - page 24

    24 U2781A User’s Guide 2 Installation 7 Click Finish when the inst allation is completed. Figure 2-4 ...

  • Agilent Technologies U2781A - page 25

    Installation 2 U2781A User’s Guide 25 Hardware V erification T o verify that th e hardware plugged in and installed is connected properly , r un the A gilent Connect io n Ex pert to d o the h ard ware ver if ic at i on Agilent Co nnection Exper t is one of t he utility files in the A gilent IO Libraries. The Connection Exper t configures connecte ...

  • Agilent Technologies U2781A - page 26

    26 U2781A User’s Guide 2 Installation ...

  • Agilent Technologies U2781A - page 27

    27 Agilent T echnologies Agilent U2781A USB Modu lar Instrument Chassis User’s Guide 3 Features and Functions Introduction 28 USB Backplane 29 T rigger Bus [0...7] 31 T rigger Out 32 External T rigger In (Star T rigger) 32 System Reference Clock 33 Chassis T emperature Monitoring 34 Fan Speed Monitoring 35 Identifying Modu les Location 36 Georgra ...

  • Agilent Technologies U2781A - page 28

    28 U2781A User’s Guide 3 Features and Functions Introduction The Agilent U2781A USB modular instr ument chassis pro vides six USB modular slots and equipped with 200 W universal A C po wer supply and built- in ov er current protection circuit. A 10MHz system reference clock is supplied t o each modules slots. There are two tem perature sensors an ...

  • Agilent Technologies U2781A - page 29

    Features and Functions 3 U2781A User’s Guide 29 USB Backplane Figure 3- 1 illustrates t he 55- pin assignment of t he backplane connector pin. Figure3-1 55-pin backpla ne connector pin assignment Ta b l e 3 - 1 Pin information of SSI conn ector 11 GND +12V +12 V GND USB_D+ USB_D- GND 10 GND +12V +12 V +12V GND GND GND 9 GND +12V +12V +12V GND USB ...

  • Agilent Technologies U2781A - page 30

    30 U2781A User’s Guide 3 Features and Functions Figure3-2 USB backplane block diagram ...

  • Agilent Technologies U2781A - page 31

    Features and Functions 3 U2781A User’s Guide 31 T rigger Bus [0...7] Trigger Bus [0...7] is an 8- bit di git al bus connect ed from slot 1 to s lot 6 to sy nch ron ize diff er e nt USB modules. This trigger bus enables the USB modules of pa ssing trigger signals t o one another . T o hav e one of the mo dules to control the operation of the ot he ...

  • Agilent Technologies U2781A - page 32

    32 U2781A User’s Guide 3 Features and Functions T rigger Out Trigger Out selects one of t he trig ger bus bit [0...7] f or exter nal trigger . The USB de vice in F igure 3- 3 controls the multiplexer switching for the trigger out selection. The SCPI command belo w is used t o set one of the trigger bus [0…7] as external trigger source: TRIGger: ...

  • Agilent Technologies U2781A - page 33

    Features and Functions 3 U2781A User’s Guide 33 Figure3-4 Block diagram of the 10 Mhz Reference Clock and External T rigger In System Reference Clock The 10 MHz ref erence clock can come from two sour ces; inter nal backplane oscillator and exter nal clock source. The inter nal oscillator on t he USB backplane supplies an independent 10 MHz syste ...

  • Agilent Technologies U2781A - page 34

    34 U2781A User’s Guide 3 Features and Functions Chassis T emperature Monitoring The chassis cont ains a temperature control cir cuitr y. It has two therm istor sen sors to sen se the inne r tem per atu re of the chassis. The temperature control cir cuitr y communicates wit h backplane USB de vice through an I 2 C inter face as illustrated in Figu ...

  • Agilent Technologies U2781A - page 35

    Features and Functions 3 U2781A User’s Guide 35 Fan Speed Monitoring The U2781A USB modular instrument chassis is also integ rated with a fan speed control circuit. It is used to monitor the fan status and speed. The control circuit communicates wi t h backplane USB device via I 2 C interface. Refer to Figure 3- 5. T o quer y t he fan st atus, se ...

  • Agilent Technologies U2781A - page 36

    36 U2781A User’s Guide 3 Features and Functions Identifying Modules Location Georgraphical Address Each slot in the chassis is designed wit h a 3- bit address pin, which is designated as a location identity fo r USB modules. The address for all six slots are as belo w: The USB modules are able to read this 3- bit dat a and kno w which slot the mo ...

  • Agilent Technologies U2781A - page 37

    Features and Functions 3 U2781A User’s Guide 37 Figure3-6 Identifying modul es location In order to identify the location of t he modules, a pre- configuration setting is need ed before the synchronization or triggering ev ent begins. Follo w the steps below: 1 Sen d the fo llo wi ng co mma nd to th e mod ular chas sis to trigger it. This command ...

  • Agilent Technologies U2781A - page 38

    38 U2781A User’s Guide 3 Features and Functions 4 During this identif ication operation, the trigger bus is used. Hence, any triggering activiti es on the backplane w ould be blocked. 5 Prior to any triggering acti vities, you must stop the configuration activity by sending the follo wing command: SYST em:IDentity {0|OFF} Simultaneous Synchroniza ...

  • Agilent Technologies U2781A - page 39

    Features and Functions 3 U2781A User’s Guide 39 Figure3-7 Synchronization between modules in the chassis ...

  • Agilent Technologies U2781A - page 40

    40 U2781A User’s Guide 3 Features and Functions ...

  • Agilent Technologies U2781A - page 41

    41 Agilent T echnologies Agilent U2781A USB Modu lar Instrument Chassis User’s Guide 4 General Maintenance This chapter gives a brief desciption on how to maintain the U2781A USB modular instrument chassis. ...

  • Agilent Technologies U2781A - page 42

    42 U2781A User’s Guide 4 Genera l Maintenance To re move t he di r t or mo is tu r e i n t h e c ha ss is pa ne l , t h e c le an in g s t ep s are as follo ws: 1 Turn o f f th e uni t and rem ov e th e po w er c ord and I /O c able . 2 Shake out any dirt that may ha ve accumulated inside the chassis unit. 3 Wipe the chassis with a dr y clot h. N ...

  • Agilent Technologies U2781A - page 43

    © Agilent T echnologi es, Inc. 2006 Printed in Malaysia November 29, 2006 U2781-900 03 www .agilent.com Agilent T echnologies Contact us T o obtain service, warranty or technical support assistance, contact us at the following phone numbers : United States: (tel) 800 829 4444 (fax) 800 829 4433 Canada: (tel) 877 894 4414 (fax) 800 746 4866 China: ...

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