Agilent Technologies U2751A Switch User Manual
Contents
1. 1 00 with version V1 01 c Click Yes to begin the firmware download The following message box will appear indicating the download in progress Agilent U2751A Firmware Download Firmware download is in progress please do not remove the USB or power connection until the download has completed Ensure that you do not remove the USB and power connection until the firmware download has completed d Your U2751A is ready for use once the firmware download has completed 10 The U2751A can also be connected remotely to the PC through Agilent E5813A Networked 5 Port USB Hub 11 To connect through the E5813A disconnect the U2751A from the PC while still powered on 12 Then connect the E5813A in power on state to the PC and the U2751A 13 The U2751A is ready for use once the PC detects the connection Connection through the E5813A Networked 5 Port USB Hub can only be established after the instrument is first connected directly to the PC 1 Getting Started F Verify Your Module Connection The Agilent Connection Expert is one of the utilities in the IO Libraries The Connection Expert configures the connected instruments and enables communication It is able to automatically detect the U2751A devices plugged into the PC 1 Go to Start gt All Programs gt Agilent 10 Libraries Suite gt Agilent Connection Expert to launch the Connection Expert 2 The detected U2751A will be visible on the Instrument 1 0 on this2. Canada tel 877 894 4414 fax 800 746 4866 China tel 800 810 0189 fax 800 820 2816 Europe tel 31 20 547 2111 Japan tel 81 426 56 7832 fax 81 426 56 7840 Korea tel 080 7690800 fax 080 769 0900 Latin America tel 305 269 7500 Taiwan tel 0800 047 866 fax 0800 286 331 Other Asia Pacific Countries tel 65 6375 8100 fax 65 6755 0042 Or visit Agilent World Wide Web at www agilent com find assist Product specifications and descriptions in this document are subject to change without notice Agilent Technologies Inc 2008 2010 Second Edition April 12 2010 U2751 90011 Agilent Technologies
3. This section contains the information for ordering replacement parts for your instrument To order the parts please do the following e Contact your nearest Agilent Sales Office or Service Center e Provide the part number for the relay e Provide the instrument model and serial number The part number of the replaceable part and its description are shown in the table below Table 4 2 Part number and description of replaceable part Part number Description 0490 1896 RELAY 2C 3 VDC COIL 2A 30 VDC Electrostatic Discharge ESD Precautions Almost all electrical components can be damaged by electrostatic discharge ESD during handling The following guidelines will help prevent ESD damage when servicing the instrument or any electronic device e Disassemble the instruments in a static free work area only e Use a conductive work area to dissipate static charge e Use a conductive wrist strap to dissipate static charge accumulation e Minimize handling Keep the replacement parts in original static free packaging e Remove all plastics styrofoams vinyls papers and other static generating materials from the immediate work area e Use only antistatic solder extractor U2751A User s and Service Guide 45 4 Service Information Disassembly Instructions Remove the screws and nuts as shown Take the measurement board and carrier board out from the module Remove the screws as indica
4. go to Start gt All Programs gt Agilent 10 Libraries Suite gt Utilities gt 10 Control 1 Double click the Measurement Manager software icon on your desktop or go to Start gt All Programs gt Agilent gt Modular Products gt Agilent Measurement Manager to launch the software 21 1 1 Getting Started 2 The Measurement Manager welcome screen will appear Agilent Modular Instruments Measurement Manager www agilent com Agilent Technologies Agilent Technologies 2006 2008 3 The Select USB Device dialog box will appear displaying the connected U2751A devices To start the application select a U2751A device and click OK to establish the connection Select USB Device Available USB NOTE For more information on how to use the Measurement Manager refer to the Agilent Measurement Manager help file 22 U2751A User s and Service Guide Getting Started 1 U2751A DSub Connector U2751A User s and Service Guide The U2751A is equipped with one 25 pin male DSub connector as shown in Figure 1 1 CiL C1H R4L R4H R2L R2H RIL R1H R3L R3H C8L C8H QOQOOMOOMMOOOOM OOO OCC GS OC COS Cat C2H C3L C3H C4L C4H GND CSL CSH C6L C6H C7L C7H Figure 1 1 25 pin male DSub connector Pin Assignments Table 1 1 Pin assignments Pin Description Pin Description 18 R1H 10 C3H 19 RIL 11 C3L 20 R2H 8 C4H 21 R2L 9 C4L 16 R3H 5 C5H 17 R3L 6 C5L 22 R4H 3 C6H 23 R4L 4 C6L 24 C1H
5. 35 Vrms Modular Used with U2781A 180 Vrms Maximum transient voltage 300 Vrms Do not measure higher than the rated voltage as marked on the device Do not operate the device with the cover removed or loosened Use only the power adapter provided by the manufacturer to avoid any unexpected hazards CAUTION Electrostatic discharge ESD can cause damage to the components in the instrument and accessories The cables or wires should be connected to the plug in connectors first and covered with the wire casing prior to plugging it into the output connector to prevent ESD from occurring If the device is used in a manner not specified by the manufacturer the device protection may be impaired Always use dry cloth to clean the device Do not use ethyl alcohol or any other volatile liquid to clean the device Do not permit any blockage of the ventilation holes of the device U2751A User s and Service Guide Environmental Conditions This instrument is designed for indoor use and in an area with low condensation The table below shows the general environmental requirements for this instrument Environmental conditions Requirements Operating temperature 0 C to 50 C Operating humidity 20 to 85 RH non condensing Storage temperature 20 C to 70 C Storage humidity 5 to 90 RH non condensing CAUTION The U2751A USB modular switch matrix complies with the following safety and EMC requirements IEC 61010 1
6. PC explorer pane Right click on the U2751A instrument on the explorer pane 3 A context menu will appear as shown below and select Send Commands To This Instrument Refresh This Instrument Change Properties Ignore Add VISA Alias Change Label Delete Add Instrument Send Commands To This Instrument 4 The Agilent Interactive 10 dialog box will appear Click Send amp Read to send the IDN default command The instrument s response should appear in the Instrument Session History panel 20 U2751A User s and Service Guide Getting Started FE Agilent Interactive IO CONNECTED TO USBO 2391 540 EBR Connect Interact Help A a a Device Clear Read STB SYST ERR Clear Histoy Options Command E w Commands gt Send Command Read Response Send amp Read Instrument Session History Connected to USBO 2391 5400 TW46393037 0 INSTR gt IDN lt Agilent Technologies U2331A 1W46393037 A 2006 10 10 5 If the Connection Expert can successfully communicate with the U2751A this indicates that the instrument is installed correctly G Launch Your Agilent Measurement Manager U2751A User s and Service Guide The 10 Control will launch automatically when you start your PC e Launching the Measurement Manager without the 10 Control running will cause failure of the Measurement Manager to detect or establish any connection with the U2751A connected to your PC Torun the l0 Control
7. Start gt Run and type lt drive gt Application Modular Instruments Measurement Manager setup exe where lt drive gt is your CD ROM drive location 4 Click OK to begin the installation 5 If you do not have any of the prerequisites installed the InstallShield Wizard software prerequisite will appear U2751A User s and Service Guide 13 1 14 Getting Started 6 Click OK to begin the installation of the listed missing prerequisites 7 Once the above installation has completed installation of the Measurement Manager software will proceed as normal 8 The Measurement Manager InstallShield Wizard dialog will appear Click Next to begin 9 Read the License Agreement and select accept the terms in the License Agreement to proceed You may click Print to print a hardcopy of the Agilent License Terms for reference Click Next to proceed 10 Fill in the Customer Information Form accordingly and click Next 11 Click Next to install to the specified folder or click Change to install to a different folder 12 Click Install to begin the installation of the Measurement Manager 13 Click Finish when the installation has completed 14 A shortcut to this software will be created on your desktop USING THE LICENSED MATERIALS INDICATES YOUR ACCEPTANCE OF THE LICENSE TERMS IF YOU DO NOT AGREE TO ALL OF THESE TERMS YOU MAY RETURN ANY UNOPENED LICENSED MATERIAL FOR A FULL REFUND IF THE LICENSED MATERIALS ARE BUNDLED OR PR
8. Start menu and type lt drive gt Driver Hardware setup_Hw exe where lt drive gt is your CD ROM drive location Click OK to begin the installation Follow the instructions on the screen and click Next to proceed U2751A User s and Service Guide Getting Started 1 6 Click Install to begin the installation Follow the instructions on the screen to proceed with the installation 7 Click Finish when the installation has completed D Install the Agilent Measurement Manager 1 If you have done C Install the Module Driver on page 12 proceed to Step 2 If not close all other applications on your PC and insert the Product Reference CD ROM into your CD ROM drive 2 Click Measurement Manager on the U2751A Installation Menu to begin the installation Agilent Modular Products Agilent Modular Products Installation Menu Hardware Driver This will install Agilent Modular Instrument Measurement Manager Measurement Manager application software Software Driver This application software provides the following capabilities Sample Code Hardware Configuration Documentation Waveform Display Data Logging Explore Folder Self Calibration _ _ Self Test Data File Manager Convert Binary File Command Logger Signal Conditioning Fast Fourier Transform Copyright Agilent Technologies Inc 2006 2007 3 If the installation menu does not appear after a few seconds go to
9. input characteristics 41 purchase items standard 7 RST 35 reassembly See relays replacing relay cycle counter 2 36 relays replacing DlAGnostic RELay CLEar lt ch_list gt 4 disassembly 46 ESD precautions 45 reassembly 48 replaceable parts See parts replaceable row 2 23 33 34 35 44 S SCPI commands 2 35 38 self calibration 37 self test 37 38 service Agilent unit exchange 48 types of service available 48 SSI connector pin 29 SSI timing signal 29 STAR_TRIG 29 switch control Agilent Manager Measurement operation 34 introduction 33 SCPI Commands 35 switch matrix concept 33 switching 2 33 system check 10 system related operation 37 system requirements 10 12 T TST 38 terminal block 41 terminal block U2922A See U2922A test automated 2 U U2922A dimensions 26 female DSub connector 24 28 installation 27 outlook 25 pin configuration 24 terminal block 24 USB extension cable 7 USB indicator 32 USB interface 2 32 USBTMC 488 2 40 V VBUS 29 wW warranty 40 48 Windows 2000 Professional See operating system Windows Home Edition See operating system Windows XP Professional See operating system U2751A User s and Service Guide www agilent com Contact us To obtain service warranty or technical assis tance contact us at the following phone or fax numbers United States tel 800 829 4444 fax 800 829 4433
10. install software for Agilent USB Test and Measurement Device if your hardware came with an installation CD or floppy disk insert it now What do you want the wizard to do Install from a list or specific location Advanced Click Next to continue Ce Coes 6 A warning message will appear on the Hardware Installation window Click Continue Anyway to proceed with the installation of the U2751A Hardware Installation The software you are installing for this hardware Agilent USB Test and Measurement Device has not passed Windows Logo testing to verify its compatibility with Windows XP Tell me why this testing is important Continue Anyway STOP Installation TT 16 U2751A User s and Service Guide U2751A User s and Service Guide Getting Started 1 If you do not wish to receive similar warning messages in the future follow the instructions below Go to Start gt Control Panel and double click System Select the Hardware tab and click Driver Signing on the Drivers panel The Driver Signing Options dialog box will appear Select Ignore to disable the warning message 7 Click Finish to complete the installation Found New Hardware Wizard Completing the Found New Hardware Wizard The wizard has finished installing the software for Agilent USB Test and Measurement Device Click Finish to close the wizard 17 1 Getting Started 8 The Assign USB device alias
11. must not discard this electrical electronic product in domestic household waste Product Category With reference to the equipment types in the WEEE directive Annex 1 this instrument is classified as a Monitoring and Control Instrument product The affixed product label is as shown below Do not dispose in domestic household waste To return this unwanted instrument contact your nearest Agilent Technologies or visit www agilent com environment product for more information Vil In This Guide Vill Getting Started This chapter provides an overview of the U2751A USB modular switch matrix which includes the product outlook product dimensions and product layout This chapter also contains instructions on how to install and configure the U2751A Operation and Features This chapter describes the operation and features that are offered by the U2751A such as switch controls and relay usage monitoring Characteristics and Specifications This chapter contains the characteristics and specifications of the U2751A Service Information This chapter provides the guidelines for returning the U2751A to Agilent Technologies for servicing or for servicing it yourself It also contains the list of replaceable parts U2751A User s and Service Guide U2751A User s and Service Guide Declaration of Conformity DoC The Declaration of Conformity DoC for this instrument is available on the Web site You can s
12. these are included when you purchase the U2751A Refer to Chapter 1 B Install the IO Libraries Suite on page 11 and C Install the Module Driver on page 12 for the installation procedure On the front panel of the U2751A there are two LED indicators Refer to Chapter 1 Product Outlook on page 3 Power indicator lights up once the U2751A is powered up USB indicator will only blink when there is data exchange activity between the U2751A and the PC U2751A User s and Service Guide Switch Control Row 4 Row 3 Row 2 Row 1 Operation and Features 2 A matrix switch connects multiple inputs to multiple outputs A matrix is arranged in rows and columns For example the U2751A is a 4x8 matrix that can be used to connect four sources to eight test points as shown in Figure 2 1 Any column can be connected to any row by activating the corresponding relay that connects the column to the row as shown in Figure 2 1 Each cross point relay on this module has its own unique channel label representing the row and column For example channel 302 represents the cross point connection between row 3 and column 2 Be aware that it is possible to connect more than one source to the same point with a matrix It is vital to make sure that these connections do not create dangerous or unwanted conditions U2751A User s and Service Guide Col 1 Col 2 Col 3 Col 4 Col 5
13. 0 Libraries Suite 11 launching the Agilent Measurement Manager 21 module driver 12 system check 10 verifying the module connection 20 introduction U2751A USB modular switch matrix 2 10 Control 11 21 IVI COM driver 9 L LED indicators 32 L Mount kit 7 30 M matrix V VIII 2 7 12 33 34 maintenance general 8 measurement board 46 47 Microsoft Internet Explorer See browser modular instrument chassis 7 29 modular switch matrix See introduction module driver See installation 49 Index multiplexer 33 nBPUB 29 29 NC 29 29 0 operating enviroment altitude 40 pollution degree 40 relative humidity 40 temperature 40 operating checklist See service operating system 10 operation system related error conditions 37 self test 37 P panel view 34 36 parts replaceable 45 pin assignments 23 power cord 7 15 power jack 15 power up U2751A 32 precautions ESD IV 45 prerequisites 10 processor 10 product characteristics dimensions 40 EMC compliance 40 1 0 connector 40 operating enviroment 40 power consumption 40 remote interface 40 safety compliance 40 shock and vibration 40 storage compliance 40 warranty 40 weight 40 50 product dimensions with bumper 6 without bumper 5 product outlook front view 4 rear view 4 top view 3 product specifications AC characteristics 41 general characteristics 42 general specifications 41
14. 1 C7H 25 CIL 2 C7L 12 C2H 14 C8H 13 C2L 15 C8L 7 GND R represents Row and C represents Column H represents High and L represents Low 23 1 24 Getting Started U2922A Terminal Block The U2922A terminal block is an optional accessory to be used with the U2751A The U2922A which weighs approximately 100 g and has screw type terminals offers you a convenient and simple way of making connection to the switch matrix for prototyping applications or an actual system deployment It allows the user to configure a wide variety of routing options and matrix topologies The U2922A pin configuration is in accordance to the 25 pin male DSub connector of the U2751A as shown in the following AAAA IAG AAAA A A ANA R represents Row and C represents Column H represents High and L represents Low Figure 1 2 U2922A pin configuration You may also develop your own terminal block by using a compatible mating 25 pin female DSub connector to the front panel Ensure that your design meets the clearance and creepage requirements for high voltage application as defined by IEC EN 61010 1 U2751A User s and Service Guide Getting Started The outlook and dimensions of the U2922A are shown in Figure 1 3 and Figure 1 4 Female DSub connector RI R2 amp 1 c2 c3 c4 aa a Terminal bloc
15. 2001 EN61010 1 2001 2nd Edition Canada CAN CSA C22 2 No 61010 1 04 USA ANSI UL 61010 1 2004 IEC 61326 2002 EN 61326 1997 A1 1998 A2 2001 A3 2003 Canada ICES 001 2004 Australia New Zealand AS NZS CISPR11 2004 U2751A User s and Service Guide Regulatory Markings CE ISM 1 A The CE mark is a registered trademark of the European Community This CE mark shows that the product complies with all the relevant European Legal Directives N10149 The C tick mark is a registered trademark of the Spectrum Management Agency of Australia This signifies compliance with the Australia EMC Framework regulations under the terms of the Radio Communication Act of 1992 ICES NMB 001 ICES NMB 001 indicates that this ISM device complies with the Canadian ICES 001 Cet appareil ISM est confomre a la norme NMB 001 du Canada This instrument complies with the WEEE Directive 2002 96 EC marking requirement This affixed product label indicates that you must not discard this electrical electronic product in domestic household waste Vi Ge Cc US The CSA mark is a registered trademark of the Canadian Standards Association U2751A User s and Service Guide Waste Electrical and Electronic Equipment WEEE Directive 2002 96 EC U2751A User s and Service Guide This instrument complies with the WEEE Directive 2002 96 EC marking requirement This affixed product label indicates that you
16. 5 Disassembly Instructions 46 Reassembly Instructions 48 Contacting Agilent Technologies 48 XII U2751A User s and Service Guide List of Figures U2751A User s and Service Guide Figure 1 1 Figure 1 2 Figure 1 3 Figure 1 4 Figure 1 5 Figure 2 1 Figure 2 2 Figure 2 3 Figure 4 4 25 pin male DSub connector 23 U2922A pin configuration 24 U2922A outlook 25 U2922A dimensions 26 55 pin backplane connector pin configuration 29 Switch matrix concept 33 Panel view of the Agilent Measurement Manager 34 Panel view of the relay cycle counter 36 Defective relay s check 44 XIII XIV U2751A User s and Service Guide List of Tables U2751A User s and Service Guide Table 1 1 Pin assignments 23 Table 1 2 Synchronous Simultaneous Interface SSI connector pin description 29 Table 3 3 Electrical and mechanical specifications update per attached datasheet 41 Table 3 1 Electrical and mechanical specifications update per attached data sheet continued 42 Table 4 2 Part number and description of replaceable part 45 XV XVI U2751A User s and Service Guide U2751A USB Modular Switch Matrix User s and Service Guide 1 Getting Started Introduction 2 Product ataGlance 3 Product Outlook 3 Product Dimensions 5 Dimensions Without Bumpers 5 Dimensions With Bumpers 6 Standard Purchase Items 7 Inspection and Maintenance 8 Initial Inspection 8 Electrical Check 8 General Maintenance 8 Installation and Configur
17. Agilent U2751A USB Modular Switch Matrix User s and Service Guide Ee Agilent Technologies Notices Agilent Technologies Inc 2008 2010 No part of this manual may be reproduced in any form or by any means including elec tronic storage and retrieval or translation into a foreign language without prior agree ment and written consent from Agilent Technologies Inc as governed by United States and international copyright laws Manual Part Number U2751 90011 Edition Second Edition April 12 2010 Agilent Technologies Inc 3501 Stevens Creek Blvd Santa Clara CA 95052 USA Trademark Acknowledgements Pentium is a U S registered trademark of Intel Corporation Microsoft Visual Studio Windows and MS Windows are trademarks of Microsoft Cor poration in the United States and or other countries Warranty The material contained in this docu ment is provided as is and is sub ject to being changed without notice in future editions Further to the max imum extent permitted by applicable law Agilent disclaims all warranties either express or implied with regard to this manual and any information contained herein including but not limited to the implied warranties of merchantability and fitness for a par ticular purpose Agilent shall not be liable for errors or for incidental or consequential damages in connec tion with the furnishing use or per formance of this document or of any inf
18. CLS RST Resets the switch to the default power on state This command can be ignored if this operation is not required gt ROUTe CLOSe 302 Closes the relay at row 3 column 2 Example 2 Break contact at channel 302 gt ROUTe OPEN 302 Opens the relay at row 3 column 2 Example 3 Make contact at channel 101 302 gt ROUTe CLOSe 101 302 Closes relays at row 1 column 1 and row 3 column 2 U2751A User s and Service Guide 35 2 Operation and Features Relay Cycle Counter 36 Matrix Relay Counter R4 c1 c2 c3 c4 c5 C6 c7 ce R3 R2 RI Relay Life Typical Rated Load 10V 100m4 No Load Legend Cycle lt 100k E lt 10M EE ioo Figure 2 3 Panel view of the relay cycle counter Agilent Measurement Manager Operation At the main panel select the Relay Cycle Counter tab The panel in Figure 2 3 will be displayed The keyboard shortcut key is Ctrl R This feature allows the user to carry out preventive maintenance which is to replace those relays that are at the end of their life span Relay cycles that are above a certain limit will be highlighted in red Refer to the example in Figure 2 3 U2751A User s and Service Guide Operation and Features 2 System Related Operation This section provides information on system related topics such as executing a self test performing self calibration routine and reading error condit
19. Col 6 Col 7 Col 8 Q 00 0 O HL aD ON LCa O ee O La O C O La Q E O Ho O L e 9 Ho e oe Q 7 g Ho b Py H L Note Three digit channel numbers are derived from H the intersection of the rows and columns with the last two digits representing the columns The intersection shown represents channel 202 Row 2 Column 2 Figure 2 1 Switch matrix concept 33 2 Operation and Features Matie Relay Counter ci c2 c3 c4 cs C6 c7 ce JI f R4 7 C OE G G Cae R3 5 5 i C ya C R2 O O HT C R1 x z FS A O Legend J Switch OFF Switch ON Figure 2 2 Panel view of the Agilent Measurement Manager Agilent Measurement Manager Operation Launch the Agilent Measurement Manager software and select the Matrix tab The keyboard shortcut key is Ctrl M Connect the instruments and devices as per your application Key in the names of the instruments and devices in the available text boxes Click the cross point circles on the software to toggle the contact on or off The connection from the row to the column will be highlighted when the circuit is closed 34 U2751A User s and Service Guide Operation and Features 2 SCPI Commands The following examples show the SCPI commands for executing the closing and opening of the relays Example 1 Make contact at channel 302 gt
20. ELOADED WITH ANOTHER PRODUCT YOU MAY RETURN THE ENTIRE UNUSED PRODUCT FOR A FULL REFUND U2751A User s and Service Guide Getting Started 1 E Connect the Module to Your PC Ensure that the Agilent Measurement Manager is installed before proceeding 1 After the installations have completed connect the power cord to the AC DC power adapter The AC DC power adapter requirements are 100 to 240 VAC 50 60 Hz with an output voltage of 12 VDC 2 Insert the DC output plug from the AC DC power adapter to the power jack on the rear panel of the U2751A 3 Connect the U2751A to any USB port on your PC with the bundled USB cable 4 Your PC will automatically detect the connected unit and the Found New Hardware Wizard window will appear Select Yes this time only and click Next to proceed Found New Hardware Wizard Welcome to the Found New Hardware Wizard Windows will search for current and updated software by looking on your computer on the hardware installation CD or on the Windows Update Web site with your permission Read our privacy policy Can Windows connect to Windows Update to search for software ij ery time connect a device O No not this time Click Next to continue Ce U2751A User s and Service Guide 15 1 Getting Started 5 Select Install the software automatically Recommended and click Next Found New Hardware Wizard Welcome to the Found New Hardware Wizard This wizard helps you
21. Internet Explorer 5 01 or higher AvailableRAM 512 MB or higher recommended Hard disk space 1 GB Video Super VGA 800x600 1024x768 recommended Prerequisites Agilent IO Libraries Suite 14 2 or higher version 15 0 recommended Agilent T amp M Toolkit Runtime version 2 1 Agilent T amp M Toolkit Redistributable Package 2 1 patch Microsoft NET Framework version 1 1 and 2 07 1 Available on Agilent Automation Ready CD 2 Bundled with Agilent Measurement Manager application software installer U2751A User s and Service Guide Getting Started 1 B Install the 10 Libraries Suite The IO Libraries Suite 14 2 or higher is available on the Agilent Automation Ready CD that comes with the standard purchase of the U2751A e If you do not have the Agilent Automation Ready CD obtain the 10 Libraries Suite 14 2 or higher at http www agilent com find iolib Disconnect any USB instruments or connectivity interface from your PC 1 Close all other applications on your PC insert the Agilent Automation Rkeady CD into your CD ROM drive and follow the instructions on your screen 2 If the IO Libraries Suite installation does not start automatically go to Start gt Run on the Windows Start menu and type lt drive gt autorun auto exe where lt drive gt is your CD ROM drive location 3 If you obtain the IO Libraries Suite from the web save the self extracting zip file exe to any location on your hard disk 4 Double click t
22. Service Guide Index 55 pin backplane connector pin 29 A AC characteristics 41 AC DC power adapter output voltage 15 requirements 15 Agilent Measurement Manager help file 2 22 installation 13 14 launching 21 22 operation 34 36 37 37 panel view 34 relay cycle count 44 47 welcome screen 22 Agilent Modular Products Installation Menu Hardware Driver 12 Measurement Manager 13 Agilent U2751A USB Modular Switch Matrix dialog box 12 Quick Reference Card 7 bandwidth 41 bumper 8 bumper casing 8 30 browser 10 C CLS 35 38 carrier board 46 47 Certificate of Calibration 7 U2751A User s and Service Guide channel label 33 channels multiple chassis configuration 2 installation 30 cleaning general 8 column 2 23 33 34 35 44 configuration instrument connector 23 pin assignments 23 55 pin backplane connector pin 29 cross point 2 D DC isolation 41 output plug 15 defective relays check 44 DlAGnostic RELay CYCLes lt ch_list gt 44 device under test See DUT disassembly See relays replacing DSub connector 23 44 DUT 2 E electrical check 8 electrostatic discharge See precautions error conditions Agilent Measurement Manager operation 37 SCPI Commands 38 F firmware 18 19 flowchart 9 G GND 23 29 IDN 20 1 0 cable 8 inspection initial 8 installation Agilent Measurement Manager 13 connecting the module 15 1
23. anager you can instruct the matrix to make or break any of the 32 row column intersections over the USB interface More details will be covered in the Agilent Measurement Manager help file U2751A User s and Service Guide Product at a Glance Product Outlook Top View Getting Started Bumpers U2751A User s and Service Guide 1 Getting Started Front View USB indicator Power indicator DSub connector Rear View 55 pin backplane connector USB inlet Fastening hole for USB cable with locking mechanism Power inlet 4 U2751A User s and Service Guide Product Dimensions Dimensions Without Bumpers Top View lt 105 00 mn gt 175 00 mm C O TT Vv Front View ee Agilent U2751A axs 2wire switch Matrix A Oo Qese E 25 00 mm nee A 4 U2751A User s and Service Guide Getting Started 1 1 Getting Started Dimensions With Bumpers Top View lt 117 00 mm _ r N N 180 00 mm TO o r Front View 6 U2751A User s and Service Guide Getting Started Standard Purchase Items U2751A User s and Service Guide Verify that you have received the f
24. ation 9 Installation 9 A Check Your System 10 B Install the 10 Libraries Suite 11 C Install the Module Driver 12 D Install the Agilent Measurement Manager 13 E Connect the Module to YourPC 15 F Verify Your Module Connection 20 G Launch Your Agilent Measurement Manager 21 U2751A DSub Connector 23 U2922A Terminal Block 24 U2922A Terminal Block Installation 27 55 Pin Backplane Connector Pin Configuration 29 Chassis Installation 30 ee Agilent Technologies 1 Getting Started Introduction The U2751A USB modular switch matrix offers a high quality low cost switching solution for automated test It can operate as a standalone or modular unit when used with the U2781A USB modular instrument chassis The U2751A is a compact 4x8 two wire modular switch matrix which is controlled remotely over a USB interface via the Agilent Measurement Manager software The U2751A can also be programmed using the provided drivers or via SCPI commands The U2751A has the following features e 32 two wire cross points organized in a 4rows by 8 columns configuration e any combination of rows and columns can be connected at a time Multiple channels can be closed at the same time e relay cycle counter The U2751A offers you the most flexible connection path between your device under test DUT and your test equipment allowing different instruments to be connected to multiple points on your DUT at the same time Using the Agilent Measurement M
25. earch the DoC by its product model or description http regulations corporate agilent com DoC search htm If you are unable to search for the respective DoC please contact your local Agilent representative X U2751A User s and Service Guide Contents U2751A User s and Service Guide List of Figures XIII List of Tables XV Getting Started 1 Introduction 2 Product ataGlance 3 Product Outlook 3 Product Dimensions 5 Dimensions Without Bumpers 5 Dimensions With Bumpers 6 Standard Purchase Items 7 Inspection and Maintenance 8 Initial Inspection 8 Electrical Check 8 General Maintenance 8 Installation and Configuration 9 Installation 9 A Check Your System 10 B Install the I0 Libraries Suite 11 C Install the Module Driver 12 D Install the Agilent Measurement Manager 13 E Connect the Module to YourPC 15 F Verify Your Module Connection 20 G Launch Your Agilent Measurement Manager 21 U2751ADSub Connector 23 Xl Contents U2922A Terminal Block 24 U2922A Terminal Block Installation 27 55 Pin Backplane Connector Pin Configuration 29 Chassis Installation 30 2 Operation and Features 31 PowerUp 32 Switch Control 33 Relay Cycle Counter 36 System Related Operation 37 Self Test 37 Error Conditions 37 SCPI Commands for System Related Tasks 38 3 Characteristics and Specifications 39 Product Characteristics 40 Product Specifications 41 4 Service Information 43 Checking Defective Relay s 44 Replaceable Parts 4
26. he installation file to launch the installation 5 Follow the instructions on your screen to proceed with the installation 6 After the installation has completed you will see the IO Control icon on the Windows taskbar notification area as shown below Po SASL zsm For detailed installation instructions refer to the Agilent I0 Libraries Suite Getting Started Guide at http www agilent com find iolib U2751A User s and Service Guide 11 1 12 Getting Started C Install the Module Driver Please ensure that there are no instruments connected to the PC when installing the driver Verify that your PC meets the minimum system requirements as stated in A Check Your System on page 10 Insert the Product Reference CD ROM into your CD ROM drive The installer will automatically launch the Agilent Modular Products Installation Menu Click Hardware Driver to begin the installation Agilent Modular Products Agilent Modular Products Installation Menu This option installs the hardware driver of U2781A Measurement Mana U2300A U2500A U2600A Series Software Driver For all other models of the modular products that are st not listed above the hardware driver is embedded in Sample Code the Measurement Manager installer Documentation Explore Folder Copyright Agilent Technologies Inc 2006 2007 2008 4 If the menu does not launch automatically go to Start gt Run on the Windows
27. ified personnel 1 Power off your module and remove the power cord and I O cable from your device 2 Remove your module from the bumper casing 3 Shake off any dirt that may have accumulated on the module 4 Wipe your module with a dry cloth and install the bumper back in place 8 U2751A User s and Service Guide Getting Started Installation and Configuration Installation U2751A User s and Service Guide Follow the step by step instructions shown in the following flowchart to get started with the preparations and installations of your U2751A You need to install the IVI COM driver if you are going to use the U2751A with Agilent VEE Pro LabVIEW or Microsoft Visual Studio A Check Your System J B Install the 10 Libraries Suite J C Install the Module Driver J D Install the Agilent Measurement Manager J E Connect the Module to Your PC J F Verify Your Module Connection J Bees aw ae ee oe G Launch Your Agilent Measurement Manager Mad Bog Na ey Ray a 1 1 10 Getting Started A Check Your System Prior to any installation or configuration please ensure that your PC meets the following minimum system requirements Processor 1 6 GHz Pentium IV or higher Operating system Windows XP Professional or Home Edition Service Pack 1 or later or Windows 2000 Professional Service Pack 4 or later Browser Microsoft
28. ions Do not connect any terminal block or cables prior to performing self test process Self Test To perform the self test proceed as follows Agilent Measurement Manager Operation Ensure that the switch terminals are not connected to any instrument Turn on the U2751A On the application panel select Tools gt Self Test This will perform a series of communication tests on the module which take a couple of seconds to complete Error Conditions Agilent Measurement Manager Operation A message box will appear once an error occurs while operating the U2751A using the Agilent Measurement Manager U2751A User s and Service Guide 37 2 38 Operation and Features SCPI Commands for System Related Tasks The following examples show the SCPI commands for performing certain system related tasks Example 4 Performing system related tasks gt CLS RST Resets the switch to the default power on state This command can be ignored if this operation is not required gt TST Executes the self test lt 0 Returns a 0 if the test pass else it will return a 1 if it fails gt SYST ERR Returns the error number and its corresponding message string from the error queue lt 0 No Error U2751A User s and Service Guide U2751A USB Modular Switch Matrix User s and Service Guide 3 Characteristics and Specifications Product Characteristics 40 Product Specifications 41 This cha
29. k Retractable cover Jack screw Figure 1 3 U2922A outlook U2751A User s and Service Guide 1 25 1 Getting Started Rear View 85 00 mm z x T A o 23 00 mm Top View 90 00 mm 105 00 mm Front View Side View 85 00 mm 105 00 mm y A T ee Xx Figure 1 4 U2922A dimensions 26 U2751A User s and Service Guide Getting Started 1 U2922A Terminal Block Installation This section provides the recommended procedure for connecting the U2922A terminal block to the U2751A WARNING The maximum working voltage of the U2751A with the terminal block for standalone is 35 Vrms and for modular when used with the U2781A is 180 Vrms e The maximum transient voltage is 300 Vrms A Do not remove the retractable cover from the U2922A terminal block during operation to avoid any unexpected hazard You are required to connect the cables to the U2922A terminal block prior to attaching the U2922A to the U2751A Ensure that you power off your device and unplug the U2922A from the U2751A to change the cable connection on the U2922A Connect the cables to the terminal block as desired cables U2751A User s and Service Guide 27 1 Getting Started Snap tit clasp of the retractable cover and
30. nBPUB USB backplane input detect CLK10M 10 MHz clock source STAR_TRIG Star trigger GA0 GA1 GA2 Geographical address pin 29 1 30 Getting Started Chassis Installation The L Mount kit is to be installed to your U2751A module The following instructions describe the simple procedure of installing the L Mount kit and your module in the U2781A chassis 1 Unpack the L Mount kit from its packaging 2 Remove your U2751A module from the bumper casing 3 Using a Phillips screwdriver fasten the L Mount kit to your U2751A module 4 Insert your U2751A module into the U2781A chassis with the 55 pin backplane connector positioned at the bottom of the module 5 Once you have slotted the module into the chassis tighten the screws of the L Mount kit to secure the connection U2751A User s and Service Guide 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 Test 37 Error Conditions 37 SCPI Commands for System Related Tasks 38 This chapter describes the features and operation of the U2751A ee Agilent Technologies 31 2 Operation and Features Power Up 32 Take note of the following when you power up the U2751A The U2751A can only be operated via the USB interface Before you can control the U2751A you need to install the hardware driver and the IO Libraries Suite 14 2 or higher Both of
31. ollowing items with your unit If anything is missing or damaged please contact the nearest Agilent Sales Office Y 12 V 2 A AC DC adapter V Power cord V USB Standard A to Mini B interface cable Y L Mount kit used with the modular instrument chassis V Agilent Automation Ready CD contains the Agilent IO Libraries Suite V Agilent USB Modular Products Quick Start Guide V Agilent USB Modular Products Reference CD ROM V Agilent Measurement Manager Quick Reference Card 1 1 Getting Started Inspection and Maintenance Initial Inspection When you receive your U2751A inspect the unit for any obvious damage such as broken terminals or cracks dents and scratches on the casing that may occur during shipment If any damage is found notify the nearest Agilent Sales Office immediately The front of this manual contains the warranty information Keep the original packaging in case the U2751A has to be returned to Agilent in the future If you return the U2751A for service attach a tag identifying the owner and model number Also include a brief description of the problem Electrical Check Chapter 4 Service Information on page 43 will provide the complete verification procedure The procedure will verify to a high level of confidence that the U2751A is operating in accordance with its specifications General Maintenance Any repair that is not covered in your modular product manuals should only be performed by qual
32. ormation contained herein Should Agilent and the user have a separate written agreement with warranty terms covering the material in this document that conflict with these terms the warranty terms in the sep arate agreement shall control Technology Licenses The hardware and or software described in this document are furnished under a license and may be used or copied only in accor dance with the terms of such license Restricted Rights Legend U S Government Restricted Rights Soft ware and technical data rights granted to the federal government include only those rights customarily provided to end user cus tomers Agilent provides this customary commercial license in Software and techni cal data pursuant to FAR 12 211 Technical Data and 12 212 Computer Software and for the Department of Defense DFARS 252 227 7015 Technical Data Commercial Items and DFARS 227 7202 3 Rights in Commercial Computer Software or Com puter Software Documentation Safety Notices CAUTION A CAUTION notice denotes a haz ard It calls attention to an operat ing procedure practice or the like that if not correctly performed or adhered to could result in damage to the product or loss of important data Do not proceed beyond a CAUTION notice until the indicated conditions are fully understood and met A WARNING notice denotes a hazard It calls attention to an operating procedure practice or the like that if not correctl
33. per attached data sheet Channels configurations 4x8 2 wire Switch type Armature latching Max volts Standalone 42 VDC 35 Vrms Modular Used with U2781A 180 VDC 180 Vrms Max transient voltage 300 Vrms Max current Switch current 2A Carry current 2A Power W VA 60 W 62 5 VA Volt Hertz limit 108 eor aa O O Ol Thermal emf differential lt 3 uV Initial closed channel resistance lt 15 Q DC isolation ch ch ch earth gt 10 GQ aL 45 MHz 30 MHz Insertion loss 100 kHz 0 2 dB 0 2 dB 1 MHz 0 3 dB 0 3 dB 10 MHz lt 2 dB lt 2 dB 45 MHz lt 3 dB lt 4 5 dB Capacitance HI LO 55 pF 85 pF LO Earth 35 pF 45 pF Crosstalk at terminal block ch ch 300 kHz 70 dB 1 MHz 60 dB 20 MHz 35 dB 45 MHz 30 dB U2751A User s and Service Guide y 3 Characteristics and Specifications Table 3 1 Electrical and mechanical specifications update per attached data sheet continued Relay life typical No load 100 M 10 V 100 mA 10M Related load 100 k Open close time 4ms 4 ms 1 DC or AC rms channel to channel or channel to earth 2 Limited to 6 W channel resistance power loss per module 3 50 source 50 Q load differential measurements verified with a 4 port network analyzer Sdd21 42 U2751A User s and Service Guide U2751A USB Modular Switch Matrix User s and Service Guide 4 Service Information Checking Defective Relay s 44 Replaceable Parts 45 Disassembly In
34. pter specifies the characteristics environmental conditions and specifications of the U2751A ee Agilent Technologies 39 3 Characteristics and Specifications Product Characteristics 40 REMOTE INTERFACE Hi Speed USB 2 0 USBTMC 488 2 Class device POWER CONSUMPTION e 12 VDC 2 A maximum e Installation Category III OPERATING ENVIRONMENT Operating temperature from 0 C to 50 C Relative humidity at 20 to 85 RH non condensing Altitude up to 2000 meters e Pollution degree 2 For indoor use only STORAGE COMPLIANCE 20 C to 70 C SAFETY COMPLIANCE Certified with IEC 61010 1 2001 EN61010 1 2001 2nd Edition Canada CAN CSA C22 2 No 61010 1 04 USA ANSI UL 61010 1 2004 EMC COMPLIANCE e EC 61326 2002 EN61326 1997 A1 1998 A2 2001 A3 2003 Canada ICES 001 2004 Australia New Zealand AS NZS CISPR11 2004 SHOCK AND VIBRATION Tested to IEC EN 60068 2 1 0 CONNECTOR DSub 25 male DIMENSIONS W x D x H 105 00 x 175 00 x 25 00 mm without bumpers 117 00 x 180 00 x 41 00 mm with bumpers WEIGHT 428 g without bumpers 480 g with bumpers WARRANTY One year CALIBRATION Annual calibration is not required 1 For remote connections using Agilent E5813A refer to Chapter 1 U2751A User s and Service Guide Product Specifications Characteristics and Specifications Table 3 3 Electrical and mechanical specifications update
35. structions 46 Reassembly Instructions 48 Contacting Agilent Technologies 48 This chapter provides guidelines for returning your instrument to Agilent for service or repair and for servicing it yourself A list of replaceable parts is also provided ee Agilent Technologies 43 4 Service Information Checking Defective Relay s It is recommended to have the relay s checked when it reaches 10 million cycle counts The relay cycle count can be obtained by using the Agilent Measurement Manager or sending the following SCPI command D TAGnostic RELay CYCLes lt ch_list gt To check for any defective relay the equipment required is a digital multimeter with continuity feature 1 Row 1 Close the particular relay s For example The relay located at Row x Column y By referring to the connector configuration of the DSub connector connect one of the DMM test leads to pin RxL and another test lead to pin CyL The DMM should indicate that these two pins are connected or shorted Once this is done use the same method and perform the same test on pins RxH and CyH These two pins should be connected or shorted as well Now open the particular relay s Using the same method check if pins RxL and CyL are disconnected Perform the same test on pins RxH and CyH as well Column 1 Figure 4 4 Defective relay s check U2751A User s and Service Guide Replaceable Parts CAUTION Service Information 4
36. ted 46 U2751A User s and Service Guide Service Information 4 Separate the carrier and measurement board There are 32 relays as shown Turn to the opposite side of the measurement board and ensure that only the defective relays are desoldered Upon replacing the relay s reset the relay cycle count to zero by issuing the following SCPI command DIAGnostic RELay CYCLes CLEar lt ch_list gt U2751A User s and Service Guide 47 4 Service Information Reassembly Instructions The reassembly process is simply the reverse of disassembly Contacting Agilent Technologies Types of Service Available If your instrument fails during the warranty period Agilent will replace the unit for free The replacement units will be shipped with new calibration certificates Every replacement unit has its own serial number The serial number of the defective unit does not transfer to the replacement unit The warranty period of the replacement unit is based on the remaining warranty of the defective U2751A Agilent Unit Exchange Contact your nearest Agilent Service Center to arrange for the replacement of your instrument In the U S please call 800 829 4444 and then select Option 3 followed by Option 1 The defective unit must be returned to Agilent before the replacement unit is shipped to you Additional information regarding the unit exchange will be provided when you contact Agilent 48 U2751A User s and
37. the housing Close your terminal block by slotting in the retractable cover Check the snap fit clasp on the cover and the housing to ensure correct orientation of the retractable cover before slotting it in Turn over the U2922A with the retractable cover facing downwards Then insert the U2922A to the U2751A as shown Tighten the jack screws using a screw driver to secure the connection Ensure that the terminal block is installed correctly with the screws properly tighten for secure operation Jack screws of the U2922A 28 U2751A User s and Service Guide Getting Started 1 55 Pin Backplane Connector Pin Configuration The 55 pin backplane connector is used when the U2751A module is inserted into the U2781A USB modular instrument chassis For more details refer to the Agilent U27S1A USB Modular Instrument Chassis User s Guide ae ao oe oo ow oa oa ow ao oa wo Pe fw oe ve oe ve Poe oe rs oe ro ae ar ao we we nei oe noe oe una o ri wo fre oe rer e ner ev wo e Poe fe foe me Pw fe om oe feel oen ow a ee ee Figure 1 5 55 pin backplane connector pin configuration U2751A User s and Service Guide Table 1 2 Synchronous Simultaneous Interface SSI connector pin description SSI timing signal Functionality GND Ground NC Not connected VBUS USB bus power sensing input USB_D USB_D USB differential pair TRIGO TRIG7 Trigger bus 12V 12 V power with 4 A current
38. window will appear Each time the U2751A is plugged in this dialog box will appear To disable this dialog select the Never show this dialog option in the Show this dialog panel and click OK Assign USB device alias Alias name UsbDevice1 Identification Agilent Technologies Data Acquisition Visa Resource Name Preferred UsbDevice 1 ae J use0 2391 5400 TW46393037 0 INSTR SICL Address String Preferred UsbDevice 1 Alternate usb0 2391 5400 TW46393037 0 Show this dialog Each time a USB device is plugged in When a new USB device is plugged in Never show this dialog 9 For modules other than the U2300A Series U2500A Series U2600A Series and U2781A the system will perform a firmware version check on your connected module a If the module firmware version is the same as the installed version on the PC it will not perform any firmware download and the U2751A is now ready for use b If the module firmware version differs from the installed version on the PC the following message box will appear Firmware versions V1 00 and V1 01 in the figure are for illustration purpose only it might vary depending on the device and PC firmware version 18 U2751A User s and Service Guide U2751A User s and Service Guide Getting Started 1 Agilent U2751A Firmware Download gt 4 different Firmware version has been detected Would you like to replace 7 the device firmware version
39. y per formed or adhered to could result in personal injury or death Do not proceed beyond a WARNING notice until the indicated condi tions are fully understood and met U2751A User s and Service Guide Safety Symbols The following symbols on the instrument and in the documentation indicate precautions which must be taken to maintain safe operation of the instrument Direct current DC Off supply Alternating current AC On supply Both direct and alternating current Caution risk of electric shock Three phase alternating current Caution risk of danger refer to this manual for specific Warning or Caution information Earth ground terminal Caution hot surface Protective conductor terminal Out position of a bi stable push control Frame or chassis terminal O A A A L In position of a bi stable push control Equipotentiality CAT I Measurements performed on circuits not directly connected to MAINS Gl e HS al 2 Equipment protected throughout by double insulation or reinforced insulation U2751A User s and Service Guide General Safety Information Do not operate the device around explosive gas vapor or dust Observe all markings on the device before establishing any connection The device is under CAT measurement category do not connect the 25 pin connector to MAINS CAT I A Maximum working voltage Standalone
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