Manuale d’uso / di manutenzione del prodotto U2751A del fabbricante Agilent Technologies
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Agilent T echnologies Agilent U2751A USB Modular Switch Matrix User’ s and Service Guide.
II U2751A User’s and Service Guide Notices ® Agilent T echnologies, Inc. , 2008, 2010 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.
U2751A User’s and Service Gu ide III Safety Symbols The following symbols on the instrumen t and in the documentation indicate precautions which must be ta ken to mai ntain safe operation of the instrument.
IV U2751A User’s and Service Guide General Safety Information W ARNING • Do not operate the device around explosive gas, vapor , or du st. • Observe all markings on the de vice before establishing any connection. • The device is under CA T I measur ement category , do not con nect the 25-pin connector to MAINS.
U2751A User’s and Service Gu ide V Environmental Conditions This instrument is design ed for indoor use and in an area with low condensation. The table below s hows the general environmental requirements for this instrument.
VI U2751A User’s and Service Guide Regulatory Markings The CE mark is a registered trademark of the European Community. This CE mark shows that the product compl ies with all the re levant European Lega l Directives. The C-tick mark is a regist ered trademar k of the Spectr um Management Agency of Australia.
U2751A User’s and Service Gu ide VII W aste Electrical and Electronic Equipment (WEEE) Directive 2002/96/EC This instrument complies with the WEEE Directive (2002/96/EC) marking requirement. This af fixed product labe l indicates that you must not discard this electrical/ele ctronic produc t in domestic household waste.
VIII U2751A User’s and Service Guide In This Guide… 1G e t t i n g S t a r t e d This chapter provides an overview of the U2751A USB modu lar switch matrix, which includes the product outlook, product dimen sions, and product layout. This chapter also cont ains instructions on how to i nstall and configure the U2751A.
U2751A User’s and Service Gu ide IX.
X U2751A User’s and Service Guide Declaration of Conformity (DoC) The Declaration of Conf or mity (DoC) f or t his instrument is a vail abl e on th e W eb site. Y ou c an s ear ch the DoC by its product model or description. http://regulations.corporate .
U2751A User’s and Service Gu ide XI Contents List of Figures XIII List of T ables XV 1G e t t i n g S t a r t e d 1 Introduction 2 Product at a Glance 3 Product Outlook 3 Product Dimensions 5 Dimens.
XII U2751A User’s and Service Guide Contents U2922A T erminal Block 24 U2922A T erminal Block Installation 27 55-Pin Backplane Connect or Pin Configuration 29 Chassis Installation 30 2 Operation and.
U2751A User’s and Service Gu ide XIII List of Figures Figure 1-1. 25-pin male DSub connector 23 Figure 1-2. U2922A pin configuration 24 Figure 1-3. U2922A outlook 25 Figure 1-4. U2922A dimensions 26 Figure 1-5. 55-pin backplane connector pin configuration 29 Figure 2-1.
XIV U2751A User’s and Service Guide.
U2751A User’s and Service Gu ide XV List of T ables T able 1-1. Pin assignm ents 23 T able 1-2. Synchronous Simultaneous Interface (SSI ) connector pin description 29 T able 3-3. Electrical and mec hanical specifications update per attached data sheet 41 T able 3-1.
XVI U2751A User’s and Service Guide.
1 Agilent T echnologies U2751A USB Modular Switch Matrix User’s and Service Guide 1 Getting Started Introduction 2 Product at a Glance 3 Product Outlook 3 Product Dimensions 5 Dimensions W ithout Bu.
2 U2751A User’s and Service Guide 1G e t t i n g S t a r t e d Introduction The U2751A USB modular switch matrix offers a high quality , lo w cost switching solution for automated t est. It can operate as a standalone or modular unit when used wit h the U2781A USB modular instrument chassis.
Getting Started 1 U2751A User’s and Service Gu ide 3 Product at a Glance Product Outlook To p V i e w Bumpers.
4 U2751A User’s and Service Guide 1G e t t i n g S t a r t e d Front Vi ew Rear View DSub connector Power indicator USB indicator 55-pin bac kplane connector USB inlet Power inlet Fastening hole for.
Getting Started 1 U2751A User’s and Service Gu ide 5 Product Dimensions Dimensions Without Bumpers Top View Front View 105.00 mm 175.00 mm 25.00 mm.
6 U2751A User’s and Service Guide 1G e t t i n g S t a r t e d Dimensions With Bumpers To p V i e w 117.00 mm 41.00 mm Front View 180.00 mm.
Getting Started 1 U2751A User’s and Service Gu ide 7 Standard Purchase Items V erify that you ha ve rec eived the fo llowing items wit h y our unit. If anything is missing or damaged, please cont act the nearest Agilent Sales Of fice.
8 U2751A User’s and Service Guide 1G e t t i n g S t a r t e d Inspection and Maintenance Initial Inspection When y ou receive your U2751A, inspect the unit f or any obvious damage such as brok en ter minals or crack s, dents, and scratches on the casing t hat ma y occur during shipment.
Getting Started 1 U2751A User’s and Service Gu ide 9 Installation and Configuration Installation F ollow the step - by - step instr uctions sho wn in the follo wing f low chart t o get star ted with the preparations and installations of your U2751A.
10 U2751A User’s and Service Guide 1G e t t i n g S t a r t e d A. Check Y our System Prior to any installation or conf ig uration, please ensure th at your PC meets t he f ollo wing minimum syst em requirements.
Getting Started 1 U2751A User’s and Service Gu ide 11 B. Install the IO Libraries Suite The IO Libraries Suit e 14.2 or higher is a vailable on t he A gilent Automation - Ready CD that comes wit h t he standard purchase of the U2751A.
12 U2751A User’s and Service Guide 1G e t t i n g S t a r t e d C. Install the Module Driver 1 V erify that your PC meets the mini mum system requirements as stated in “A. Check Y our System ” on page 10. 2 Insert t he Pro duct Refer ence CD - ROM int o y our CD - ROM drive.
Getting Started 1 U2751A User’s and Service Gu ide 13 6 Click Install to be gin the i nstall atio n. F ollo w the instruc tions on t he screen to proceed with t he installati on. 7 Click Finish when the inst allation has com pleted. D. Install the Agilent Measurement Manager 1 If you ha ve done “C.
14 U2751A User’s and Service Guide 1G e t t i n g S t a r t e d 6 Click OK to b egi n the i nstal lati on o f the l iste d mi ssin g prerequisites. 7 Once the above installation has completed, inst allation of the Measurement Manager sof tware will proceed as normal.
Getting Started 1 U2751A User’s and Service Gu ide 15 E. Connect the Module to Y our PC 1 After the in stall atio ns ha ve c om plete d, c onne ct the po w er cor d to the A C/DC po w er a dapte r . The A C/D C po w er adapter requirements are 100 to 240 V A C, 50/60 Hz, with an output vo lt age of +12 VDC.
16 U2751A User’s and Service Guide 1G e t t i n g S t a r t e d 5 Select Install the software automatically (Recommended) and click Next . 6 A warning message will appear on the Hardware Installation windo w . Click Continue Anyway to pro ceed with the installation of t he U2751A.
Getting Started 1 U2751A User’s and Service Gu ide 17 7 Click Finish to co mp lete the in stall atio n. NOTE If you do not wish to receive simi l ar warning messages in the future, follow the instructions belo w. • Go to Start > Control Panel and double-click Syste m.
18 U2751A User’s and Service Guide 1G e t t i n g S t a r t e d 8 The Assign USB device alias windo w will appear . Each time the U2751A is plugged in, th is dialog bo x will appear . T o disable t his dialog, select t he Never show this dialog option in the Show this dialog panel and click OK .
Getting Started 1 U2751A User’s and Service Gu ide 19 c Click Ye s to begin the fir mware do wnload. The f ollowing message bo x will appear indicating the do wnload in progress. d Y our U2751A is ready f or use once th e firm ware do wnload has completed.
20 U2751A User’s and Service Guide 1G e t t i n g S t a r t e d F . V erify Y our Module Connection The Agilent Connection Exper t is one of the utilities in the IO Libraries. The Connection Exper t configures t he connected instr uments and enable s communication.
Getting Started 1 U2751A User’s and Service Gu ide 21 5 If the Connection Exper t can successfully com municate with the U2751A, t his indicates that t he instrument is inst alled correctly.
22 U2751A User’s and Service Guide 1G e t t i n g S t a r t e d 2 The Measurement Manager welcome screen will appear . 3 The Select USB Device dialog bo x will appear displaying the connected U2751A devices. T o st ar t the application, select a U2751A device and click OK to es tabl is h the co nn ect io n.
Getting Started 1 U2751A User’s and Service Gu ide 23 U2751A DSub Connector The U2751A is equipped with one 25 - pin male DSub connector as shown in Figu re 1- 1 . Pin Assignments R represents “Row” and C represent s “Column”. H represents “High” and L represents “Low”.
24 U2751A User’s and Service Guide 1G e t t i n g S t a r t e d U2922A T erminal Block The U2922A term inal block is an optional accessory t o be used with t he U2751A.
Getting Started 1 U2751A User’s and Service Gu ide 25 The outlook and dimensions of the U2922A are sho wn in Fig ure 1- 3 and Figur e 1- 4 . Figure 1-3 U2922A outlook Te r m i n a l b l o c k Female.
26 U2751A User’s and Service Guide 1G e t t i n g S t a r t e d Figure 1-4 U2922A dimensions Rear View 85.00 mm 23.00 mm To p V i e w Front View 85.00 mm 23.
Getting Started 1 U2751A User’s and Service Gu ide 27 U2922A T erminal Block Installation This section pro vides t he recommended procedur e f or connecting the U2922A ter minal block to the U2751A.
28 U2751A User’s and Service Guide 1G e t t i n g S t a r t e d Close your terminal block by slotting in the retract able cov er . Check t he snap - fit cl as p o n the co ve r and the h ousi ng to ensu re co rrect orientation of the retract able co ver bef ore slotting it in.
Getting Started 1 U2751A User’s and Service Gu ide 29 55-Pin Backplane Connector Pin Configuration The 55 - pin backplane connector is used when t he U2751A module is insert ed into t he U2781A USB modular instrument chassis. For more details, refer to t he A gilent U2781A USB Modular Instrument Chassis User's Guide .
30 U2751A User’s and Service Guide 1G e t t i n g S t a r t e d Chassis Installation The L - Mount kit is to be installed t o y our U2751A module. The follo wing instruct ions describe th e simple procedure of inst alling the L - Mount kit and your module in the U2781A chassis.
31 Agilent T echnologies U2751A USB Modular Switch Matrix User’s and Service Guide 2 Operation and Features Power Up 32 Switch Control 33 Relay Cycle Counter 36 System-Related Operation 37 Self- T est 37 Error Conditions 37 SCPI Commands for System-Related T asks 38 This chapter describes the fe atures and operation of the U2751A.
32 U2751A User’s and Service Guide 2 Operation and Features Power Up Tak e not e of the fo llowing when y ou po wer up the U2751A. • The U2751A can only be operated via the USB interf ace. • Bef ore you can control t he U2751A, y ou need to inst all the hardware driver and the IO Libraries Suite 14.
Operation and Features 2 U2751A User’s and Service Gu ide 33 Switch Control A matrix switch connects m ultiple inputs to multiple outputs. A matrix is arranged in ro ws and columns. For example, the U2751A is a 4 8 m atri x tha t ca n be u sed to connect f our sources to eight test points as shown in Fig ure 2- 1 .
34 U2751A User’s and Service Guide 2 Operation and Features Agilent Measurement Manager Operation Launch the Agilent Measurement Ma nager software and select the Matrix tab. The keyboard shor t cut ke y is Ctrl+M . Connect the instr uments and devices as per y our application.
Operation and Features 2 U2751A User’s and Service Gu ide 35 SCPI Commands The f ollowing examples sho w the SCPI commands for ex ecuting the closing and opening of the rela ys.
36 U2751A User’s and Service Guide 2 Operation and Features Relay Cycle Counter Agilent Measurement Manager Operation A t t h e m a i n p a n e l , s e l e c t t h e Relay Cycle Counter ta b. The panel in Fig ure 2- 3 will be display ed. The k eyboard short cut key i s Ctrl+R .
Operation and Features 2 U2751A User’s and Service Gu ide 37 System-Related Operation This section pro vides information on syst em - re lated topi cs such as executing a self - test, performing self - calibration routine, and reading error conditions.
38 U2751A User’s and Service Guide 2 Operation and Features SCPI Commands for System-Related T asks The f ollowing examples sho w the SCPI commands for pe rf o rmi ng ce rta in sy st em - related task s. Example 4, Performing system - re lated t ask s -> *CLS ; *RST // Res ets the sw itch to the default po wer - on state.
39 Agilent T echnologies U2751A USB Modular Switch Matrix User’s and Service Guide 3 Characteristics and Specifications Product Characteristics 40 Product Specifications 41 This chapter specif ies the characteristics, environment al conditions, and specifications of the U2751A.
40 U2751A User’s and Service Guide 3 Characteristics and Specifications Product Characteristics REMOTE INTERF ACE 1 • Hi-Speed USB 2.0 • USBTMC 488.
Characteristics and Specifications 3 U2751A User’s and Service Gu ide 41 Product Specifications Ta b l e 3 - 3 Electrical and mechanical s pecifications update per attached data shee t U2751A Withou.
42 U2751A User’s and Service Guide 3 Characteristics and Specifications 1 DC or AC rms, channel-to-c hannel or channel-to-earth. 2 Limited to 6 W channel resist ance pow er loss per module. 3 50 source, 50 load, differential measurements verified with a 4-port network analyzer (Sdd21).
43 Agilent T echnologies U2751A USB Modular Switch Matrix User’s and Service Guide 4 Service Information Checking Defect ive Relay(s) 44 Replaceable Pa rts 45 Disassembly Instructions 46 Reassembly .
44 U2751A User’s and Service Guide 4 Service Information Checking Defective Relay(s) T o check for an y defective rela y , the equipment required is a digita l multimeter with continuity feature. 1 Close the particular relay(s). F or example: The relay located at Row x Column y .
Service I nformation 4 U2751A User’s and Service Gu ide 45 Replaceable Parts This section contains t he information f or ordering replacement par ts f or your instrument. To order the parts, please do the follo wing. • Contact your nearest Agilent Sales Of fice or Service Center .
46 U2751A User’s and Service Guide 4 Service Information Disassembly Instructions Remov e the screws and nuts as sho wn. Tak e t he measurement board and carrier board out from the module.
Service I nformation 4 U2751A User’s and Service Gu ide 47 Up on replacing t he relay(s), reset t he relay cycle count to zero b y issuing the f ollowing S CPI command: DIAGnostic:RELay:CYCLes:CLEar (@<ch_list>) Separate t he carrier and measur ement board.
48 U2751A User’s and Service Guide 4 Service Information Reassembly Instructions The reassembly process is sim ply th e rev erse of dis assembly. Contacting Agilent T echnologies T y pes of Service A vailabl e If y our instr ument fails during the war ranty period, Agilent will replace the unit for free.
U2751A User’s and Service Gu ide 49 Index # 55-pin backplane conne ctor pin, 29 A AC characteristics, 41 AC/DC power adapter output voltage, 15 requirements, 15 Agilent Measuremen t Manager help fil.
50 U2751A User’s and Service Guide Index multiplexe r , 33 N nBPUB, 29 , 29 NC, 29 , 29 O operating enviroment altitude, 40 pollution degre e, 40 relative humidity , 40 temperature, 40 operating checklist.
® Agilent T echnologies, In c. , 2008, 2010 Second Ed ition, April 1 2, 2010 U2751-900 11 www .agilent.com Agilent T echnologies Contact us T o obta in service, warranty or techni cal assis- tance, c.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Agilent Technologies U2751A è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Agilent Technologies U2751A - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Agilent Technologies U2751A imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Agilent Technologies U2751A ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Agilent Technologies U2751A, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Agilent Technologies U2751A.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Agilent Technologies U2751A. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Agilent Technologies U2751A insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
