Manuale d’uso / di manutenzione del prodotto U2781A del fabbricante Agilent Technologies
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Agilent T echnologies Agilent U2781A USB Modular Instrument Chassis User’ s Guide.
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.
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).
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.
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.
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 .
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 M.
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.
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 Gene.
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.
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.
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.
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 I.
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.
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.
16 U2781A User’s Guide 1 Getting Acq uainted.
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 Requi.
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.
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.
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.
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.
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.
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.
24 U2781A User’s Guide 2 Installation 7 Click Finish when the inst allation is completed. Figure 2-4.
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.
26 U2781A User’s Guide 2 Installation.
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.
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.
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.
30 U2781A User’s Guide 3 Features and Functions Figure3-2 USB backplane block diagram.
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 .
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.
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.
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.
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.
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.
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.
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.
Features and Functions 3 U2781A User’s Guide 39 Figure3-7 Synchronization between modules in the chassis.
40 U2781A User’s Guide 3 Features and Functions.
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.
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.
© 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, .
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