Manuel d'utilisation / d'entretien du produit U2781A du fabricant 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, .
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Agilent Technologies U2781A c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Agilent Technologies U2781A - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Agilent Technologies U2781A, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Agilent Technologies U2781A va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Agilent Technologies U2781A, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Agilent Technologies U2781A.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Agilent Technologies U2781A. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Agilent Technologies U2781A ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
