Agilent 33502A 2-Channel Isolated Amplifier
Contents
1. 1 IE CS On Off Switch and power LED USB Port transfer files to and from memory stick Six Front Panel Softkeys Channel 1 Output Connector Channel 1 On Off Switch Channel 2 On Off Switch Channel 2 Output Connector W Noor wnhr 33502A User s Service Guide The Rear Panel at a Glance The rear panel of the amplifier is shown below Channel 1 Input Connector Channel 1 Output Connector Option 001 only Channel 2 Output Connector Option 001 only Channel 2 Input Connector USB Interface Connector LAN Interface Connector AC Power Connector Chassis Ground Screw oN OOF WNM For protection from electrical shock the power cord ground must not be defeated 33502A User s Service Guide The Display at a Glance By default the front panel display shows the amplifier s status Channel 1 information is shown in yellow and channel 2 information is shown in green If the thermal sensor in the amplifier detects a high temperature the channel goes into overload protection mode and the channel status is surrounded by a border as shown on channel 1 below Notice the Error annunciator in the upper right corner of the display This is an example of an annunciator a short string of text that appears to indicate a specific condition Error View Errors FAS System File Help DONE Channel 1 Status Shown in ye2. To assign the LAN a static DNS address SYSTem COMMunicate LAN DNS lt address gt Query forms of these commands are also available Refer to the Agilent 38502A Programmer s Reference Help for complete command description and syntax 42 33502A User s Service Guide Agilent 33502A Web Interface The 33502A provides a built in Web Interface You can use this interface Remote Interface Configuration over LAN for remote access and control of the amplifier using a Java enabled Web browser such as Microsoft Internet Explorer To access and use the 38502A Web Interface 1 Establish a LAN interface connection from your computer to the amplifier 2 Open your computer s Web browser 3 Launch the 33502A Web Interface by entering the IP address http 156 140 xxx yyy of your amplifier or its fully qualified host 3 name http myamplifier location companyname com in the browser address field The following welcome screen appears Welcome to your Web Enabled 33502A Information about this Web Enabled 33502A Agilent Technologies 33502A 50Vpp 100KHz 2 Channel Isolated Amplifier 33502A Serial Number usooooomsr Description WindowsCE Device DNS Hostname F ae eT NetBIOS Name WindowsCE IP Address CECE VISA TCPIP Connect String TCPIP 8 0 EE inst0 INSTR Turn On Front Panel Identification Indicator B Advanced information about this Web Enabled 33502A Us
3. Disable EE DHCP Enable Disable Enabled Modify _ Text entry tools Settings if Text entry tools VXI11 Enable Disable EIIE LAN LAN iaticme Enable Disable Settings ES Enabled LAUGE Enable Disable HEI Web N Enable Disable Enabled Set to Defaults Cancel Changes Apply Changes LAN Enables or disables the amplifier s LAN connection LAN Settings Allows you to configure the amplifier s local area network LAN settings LAN Reset Resets the amplifier s LAN settings to factory defaults and resets the connection 26 33502A User s Service Guide Features and Functions 2 Annunciators There are two annunciators on the amplifier s front panel RMT The amplifier is operating in the remote interface mode Pressing any softkey or the two channel enable keys will bring the instrument back to local mode unless a remote local lockout or SYSTem LOCK command has been issued e Error A hardware error or remote interface error has been detected and a message is in the error queue Turning the Display Off For security reasons you may want to disable the front panel display When disabled the entire front panel display goes dark Pressing any key will re enable the display e Front Panel Press Utility gt System gt Options gt Display Off On to turn the display off Press any softkey to turn it back on Remote Interface Operation The following command turns off the display DISPla
4. Normal operating mode SPL 35 dB A 33502A User s Service Guide Display Remote Interfaces Language LXI Compliance Number of Channels Channel to Channel Ground Connection Floating Voltage 33502A User s Service Guide Service Information and Typical Characteristics 4 3 Color TFT WQVGA 480x272 LED backlight 10 100Mbit LAN USB 2 0 Standard SCPI 1994 0 IEEE 488 2 LXI Class C Version 1 0 2 Not connected in BYPASS ON Connected with both channels OFF or in Gain of 5x 42 Vpk to earth 4 55 4 Service Information and Typical Characteristics Input Configuration Input Coupling AC Coupling DC Coupling Input Impedance 1MQ 50Q Input Voltage Range Maximum Voltage Range Damage Level Input Path Input Gain 5X Gain Accuracy Flatness DC coupling Flatness AC coupling Small Signal Bandwidth Full Power Bandwidth Input Bypass Bandwidth for 50Q system Maximum current Noise Input referred noise 56 Programmable Default Programmable Default Programmable Programmable 5 Vpk for gain of 5X 30 Vpk for bypass 10 Vpk for 50 Q input 35 Vpk for 1 MQ input Programmable gain of 5x bypass 1x or off state 5x Fixed Non Inverting 0 1 1kHz 0 1 DC 10 kHz 1 DC 40 kHz 5 DC 100 kHz 0 1 30Hz 10 kHz 1 10Hz 40 kHz 5 3Hz 100 kHz gt 300 kHz 3dB 100 kHz 50 Vpp output gt 300 MHz 3dB 0 2 Apk lt 40nV
5. RST command or an Instrument Preset SYSTem PRESet command Reading the Error Queue You can read the error queue either from the front panel or from the remote interface Front Panel Operation Press UTILITY gt VIEW ERRORS Scroll through the errors using up and down arrows and then press DONE to finish Remote Interface Operation The following command reads and clears one error from the error queue in first in first out order SYSTem ERRor Refer to the Agilent 33502A Programmer s Reference Help for a complete description and syntax for this command 33502A User s Service Guide 29 2 Features and Functions Mass Memory MMEMory Subsystem The 33502A amplifier includes a mass memory subsystem that allows you to manipulate files and folders on the amplifier s internal memory or on a USB stick attached to the front of the amplifier The most common use of the mass memory subsystem is to document attributes of the amplifier For example you may choose to store a file on the 33502A that lists the tests that use the amplifier which signals are attached to which channels and the configured state of each channel The SCPI commands used on the mass memory subsystem are all under the MMEMory node Specifically the mass memory subsystem uses the following commands MMEMory MMEMory MMEMory MMEMory MMEMory MMEMory MMEMory MMEMory MMEMory MMEMory CATalog ALL lt fol
6. See Chapter 4 Service Information starting on page 46 1 Verify that there is AC power to the amplifier First verify that the power cord is firmly plugged into the power module on the rear panel and that the amplifier s Power switch is in the On position Ensure that the power source the amplifier is plugged into is energized 2 Check whether the LED below the power switch is illuminated If it is illuminated and yellow the amplifier is receiving power and you should try to turn the power on again When you turn the amplifier on the LED should be illuminated and green If the amplifier still does not come up or if the LED does not light up in the presence of known good power your amplifier is in need of repair 33502A User s Service Guide 15 1 Quick Start To Adjust the Carrying Handle To adjust the position grasp the handle by the sides and pull outward Then rotate the handle to the desired position Bench Top Viewing Positons Carrying Position 16 33502A User s Service Guide Quick Start 1 To Rack Mount the Amplifier You can mount the 33502A in a standard 19 inch rack cabinet using the available rack mount kits Instructions and mounting hardware are included with each kit Any Agilent System II half width 2U height instrument of either the 272 3 mm or the 348 3 mm depth can be rack mounted side by side with the 33502A For example a 33502A anda 33210A or two 33502As can be mounted
7. rt Hz 1 kHz 33502A User s Service Guide Output Configuration Output Current DC Output Resistance Max Output Level 1 Output DC Offset Output Slew Rate THD N Aberrations overshoot undershoot Transition time Final value 1 of step size Channel to channel isolation for gains of 5x Capacitive load for no oscillation Output Protection Service Information and Typical Characteristics 200 mA 150 mA for continuous output from 8 V to 8 V lt 20 25 Vpk lt 10 mV gt 20 V us lt 0 01 10 kHz 40 Vpp lt 5 for waveforms with lt 3 V input step or non slewing output 2 5 us 50 ns V of output step gt 75 dB lt InF Continuous short circuit protection Thermal overload shutdown Over temperature status flag 1For all loads gt 250 Q and lt 400 pF of capacitance 2Measured with gt 1 MQ load and 1 MQ input selection 33502A User s Service Guide 4 57 4 58 Service Information and Typical Characteristics Dimensions 252 58 M4 X07 4 PLACES All dimensions are shown in millimeters 33502A User s Service Guide Index A Agilent Web Server 36 Amplifer Failure to Turn On 15 Amplifier Preparing for Use 12 Rack Mounting 17 Supplied Items 12 Annunciators 27 Bumper Removal 17 C Carrry Handle 16 Changing Digits Displayed 28 Character Entry 28 Configuring LAN 36 USB 35 Connectors on Rear Panel 4 5 D Default Gatewa
8. Agilent authorized reseller immediately Until you have verified that the amplifier is functional save the shipping carton and packing materials in case the unit has to be returned Connect the power cord and turn on the amplifier The front panel display will light up while the amplifier performs its power on self test The amplifier powers up with DC coupling and 1 MQ impedance on both channels 33502A User s Service Guide Quick Start 1 Using the Front Panel The front panel includes two buttons that turn the channels on and off This is the default configuration and the amplifier also has an orderable configuration with the output connectors in the back Option 001 When you turn a channel on the number on the button illuminates as shown below for channel 1 33502A User s Service Guide 13 1 Quick Start The front panel also includes six softkeys at the bottom of the display that allow you to select various functions and options Each softkey selects the option shown on the front panel display immediately above the softkey Channel Direct Impedance Coupling EAA moii y T MaD 14 33502A User s Service Guide Quick Start 1 Basic Amplifier Troubleshooting This section covers basic troubleshooting and general use If the Amplifier Does Not Turn On Use the following steps to help solve problems you might encounter when turning on the amplifier If you need more help call Agilent support for service
9. IP Address Only shown if DHCP is disabled Set IP address in dot notation using softkeys Subnet Mask Only shown if DHCP is disabled Set subnet mask in dot notation using softkeys Gateway Only shown if DHCP is disabled Set gateway in dot notation using softkeys DONE Return to the previous menu level MORE Only shown if DHCP is disabled Opens an additional menu that allows you to enter DSN WINS and host name information 33502A User s Service Guide 41 3 Remote Interface Configuration Setting up a LAN connection from the Remote Interface Use the following SCPI commands to configure the LAN interface If you disable or re enable the LAN interface you must cycle the power for the change to take effect You must also cycle power when you disable or re enable any of the LAN services or change any LAN settings from the remote interface using SCPI commands To enable or disable the LAN remote interface SYSTem COMMunicate ENABle OFFIOIONI1 LAN e To enable or disable the use of DHCP for the LAN interface SYSTem COMMunicate LAN DHCP OFFIOIONI1 e To assign the LAN a static IP address SYSTem COMMunicate LAN IPADdress lt address gt To assign a LAN Subnet Mask SYSTem COMMunicate LAN SMASk lt mask gt To assign a LAN Default Gateway SYSTem COMMunicate LAN GATEway lt address gt e To assign a LAN Host Name SYSTem COMMunicate LAN HOSTname lt name gt
10. Mask e Changing the Subnet Mask setting will cause an automatic LAN reset e The default Subnet Mask for the 33502A amplifier is 255 255 0 0 e A value of 0 0 0 0 or 255 255 255 255 indicates that subnetting is not being used e The Subnet Mask is stored in non volatile memory and does not change when power has been off after a Factory Reset RST command or after an Instrument Preset SYSTem PRESet command Default Gateway A Default Gateway address allows the amplifier to communicate with systems that are not on the local subnet Thus this is the Default Gateway where packets are sent which are destined for a device not on the local subnet as determined by the Subnet Mask setting Contact your network administrator to determine if a gateway is being used and for the correct address e Changing the Default Gateway setting will cause an automatic LAN reset The default for the amplifier is 0 0 0 0 no gateway and subnetting is not being used The Default Gateway is stored in non volatile memory and does not change when power has been off after a Factory Reset RST command or after an Instrument Preset SYSTem PRESet command 33502A User s Service Guide Remote Interface Configuration 3 Host Name The Host Name is the host portion of the domain name which is translated into an IP address e Changing the Host Name will cause an automatic LAN reset The default Host Na
11. and Typical Characteristics Types of Service Available If your instrument fails during the warranty period Agilent Technologies will repair or replace it under the terms of your warranty After your warranty expires Agilent offers repair services at competitive prices Extended Service Contracts Many Agilent products are available with optional service contracts that extend the covered period after the standard warranty expires If you have such a service contract and your instrument fails during the covered period Agilent Technologies will repair or replace it in accordance with the contract Obtaining Repair Service Worldwide To obtain service for your instrument in warranty under service contract or post warranty contact your nearest Agilent Technologies Service Center They will arrange to have your unit repaired or replaced and can provide warranty or repair cost information where applicable To obtain warranty service or technical support information you can contact Agilent Technologies at one of the following telephone numbers In the United States 800 829 4444 In Europe 31 20 547 2111 In Japan 0120 421 345 Or use our Web link for information on contacting Agilent worldwide www agilent com find assist Or contact your Agilent Technologies representative Before shipping your instrument ask the Agilent Technologies Service Center to provide shipping instructions including what components to ship Agil
12. of the following e Disconnect the instrument from the LAN e Disable the LAN interface from the front panel Utility menu 33502A User s Service Guide Remote Interface Configuration 3 Setting up a LAN connection from the Front Panel To begin setting up a LAN connection press Utility gt 1 0 gt LAN Settings If you disable or re enable the LAN interface or any of the LAN services you must cycle the power on the instrument to activate the new configuration Other settings are activated by a LAN restart when you exit the LAN menu The following submenus are displayed Modify Settings Change most LAN settings described below LAN Services Enable or disable VXI 11 Sockets Telnet or Web If you disable or re enable any of the LAN services you must cycle the power on the instrument for the change to take effect Set to Defaults Set LAN Settings back to their factory default settings Cancel Changes Cancel settings changes Apply Changes Apply settings changes and restart the LAN interface DONE Apply settings changes and restart the LAN interface If you choose Modify Settings there are either three or six softkeys depending on whether DHCP is enabled DHCP Enabled or Disabled Host Name Only shown if DHCP is enabled Change the amplifier s host name This must be an string of alphanumeric characters plus dashes up to 44 characters with the first character a letter
13. see the product datasheet on the Web Firmware updates may also be available on the Web Start at the product page www agilent com find 33502A This ISM device complies with Canadian ICES 001 Cet appareil ISM est conforme a la norme NMB 001 du Canada N10149 33502A User s Service Guide 53 4 Service Information and Typical Characteristics Typical Characteristics General Characteristics Power Supply Power Line Frequency Power Consumption Operating Environment Storage Temperature Operating Altitude Bench Dimensions WxHxD Weight EMC Tested to Safety Acoustic Noise 54 100V 120V 220V 240V 10 50 60 Hz 10 400 Hz 10 Automatically sensed at power on 400 Hz defaults to 50Hz 100 VA peak typical value depends on configuration and load Full accuracy for 0 C to 55 C Full accuracy to 80 R H at 40 C Non condensing 30 C to 70 C Up to 3000m 261 2mm x 103 8mm x 303 2mm 3 1 kg 6 8 Ibs Complies with European EMC Directive for test and measurement products e IEC EN 61326 1 e CISPR Pub 11 Group 1 class A e AS NZS CISPR 11 e ICES NMB 001 Complies with Australian standard and carries C Tick mark This ISM device complies with Canadian ICES 001 Cet appareil ISM est conforme la norme NMB 001 du Canada Complies with European Low Voltage Directive and carries the CE marking Conforms to UL 61010 1 CSA C22 2 61010 1 and IEC 61010 1 2001
14. 015 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 correctly 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 33502A User s Service Guide Safety Information Do not defeat power cord safety ground fea ture Plug in to a grounded earthed outlet Do not use product in any manner not speci fied by the manufacturer Do not install substitute parts or perform any unauthorized modification to the prod uct Return the product to an Agilent Tech nologies Sales and Service Office for service and repair to ensure that safety features are maintained Safety Symbols Earth Ground Chassis Ground Risk of electric shock Refer to manual for addi tional safety information 33502A User s Service Guide Main Power and Test Input Dis connect U
15. Agilent 33502A 2 Channel Isolated Amplifier User s Service Guide oa Agilent Technologies Notices Agilent Technologies Inc 2009 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 33502 90001 Edition First Edition October 2009 Printed in Malaysia Agilent Technologies Inc 3501 Stevens Creek Blvd Santa Clara CA 95052 USA Microsoft and Windows are U S regis tered trademarks of Microsoft Corporation Software Updates Licenses Periodically Agilent releases software updates to fix known defects and incorpo rate product enhancements To search for software updates and the latest documenta tion for your product go to the product page at www agilent com find 33502A A portion of the software in this product is licensed under terms of the General Public License Version 2 GPLv2 The text of the license and source code can be found at www agilent com find GPLV2 This product utilizes Microsoft Windows CE Agilent highly recommends that all Win dows based computers connected to Win dows CE instruments utilize current anti virus software For more information go to the product page at www agilent com find 33502A Wa
16. ch of the tests described in this section 46 33502A User s Service Guide Service Information and Typical Characteristics 4 Gain Flatness and Full Power Bandwidth Tests 1 Configure the function generator to generate a sine wave with high impedance load 2 Configure the DMM for AC voltage with 10 Hz bandwidth or less 3 Configure the 33502A for 1 MQ input impedance with the channel turned on and amplified You will need to repeat the test for both channels For each of the combinations shown in the following table measure V4 the unamplified signal from the function generator and V the amplified signal from the 33502A Calulate V V and record the information in the table shown below Compare your values of V V to the typical values for operation shown in the two columns on the right side of the table Coupling Frequency Hz VRMS V Vy V2 Vo Vy Typical Low Typical High DC 1 000 2 4 995 5 005 AC 1 000 2 4 995 5 005 DC 10 2 4 995 5 005 AC 10 3 5 4 950 5 05 DC 40 3 5 4 950 5 05 DC 100 000 3 5 4 150 5 25 33502A User s Service Guide 47 4 Service Information and Typical Characteristics Output Current Tests CAUTION To avoid causing a false result by overheating the 33502A be sure to disconnect the DMM from the amplified output of the 33502A until you are ready to take the measurements When you do connect to take the measurement do not stay connected for more than 10 seconds and disconnect the amp
17. d Refer to the Agilent 38502A Programmer s Reference Help for complete description and syntax for these commands 33502A User s Service Guide 35 3 Remote Interface Configuration Configuring the LAN Interface 36 By default LAN connectivity with DHCP Dynamic Host Configuration Protocol is enabled on the 33502A In many cases you can simply let DHCP assign the necessary parameters for a LAN connection However you can also turn off DHCP and set parameters manually LAN Parameters You may manually set the following parameters as described in the subsections that follow Following these descriptions are procedures for setting up a LAN configuration from the front panel and the remote interface IP Address the address to enter to start the Web UI or to identify the amplifier in the Agilent IO Libraries instrument setup menu e Subnet Mask e Default Gateway e DNS Server e Host Name e LAN Services Visa LAN Sockets Telnet Agilent Web Server The IP Address Subnet Mask Default Gateway and DNS Server parameters use dot notation addresses Dot notation addresses nnn nnn nnn nnn where nnn is a byte value must be expressed with care Most computers interpret byte values with leading zeros as octal numbers For example 255 255 020 011 is actually equivalent to decimal 255 255 16 9 not 255 255 20 11 because the computer will interpret 020 as 16 expressed in octa
18. der gt CDIRectory lt folder gt COPY lt filel gt lt file2 gt DELete lt filename gt DOWNload DATA lt data gt DOWNload FNAMe lt filename gt MDIRectory lt folder gt MOVE lt filel gt lt file2 gt RDIRectory lt folder gt UPLoad lt filename gt See the Agilent 38502A Programmer s Reference Help for details on these commands 30 33502A User s Service Guide Power On and Reset State Features and Functions The following tables show the factory default settings Channel Configuration Factory Setting Coupling DC Impedance 1 000 000 ohms Output State OFF Path AMPLifier System Related Operations Factory Setting Beeper State ON Display State ON Error Queue Cleared at Power On Not cleared by a front panel or remote interface Reset command Mass Memory Folder INTernal System Version 2009 0 Input Output Configuration Factory Setting Enable Interfaces 1 LAN Enabled USB Enabled LXI Identification State OFF LAN Settings a DHCP ON IP Address 169 254 5 2 Default Gateway 0 0 0 0 DNS Server 0 0 0 0 Host Name A 33502A nnnnn3 LAN Services Enable All Telnet Prompt 33502A gt Telnet Welcome Message Welcome to Agilent 33502A 2 Channel Isolated Amplifier 1 Interface enable or LAN service changes take effect only after you cycle power 2 LAN setting changes require a LAN restart From SCPI you must cycle power 3 Where nnnnn repre
19. e applicable Agilent part number No operator serviceable parts inside refer servicing to service trained personnel To Order Replaceable Parts You can order replaceable parts from Agilent using the Agilent part number To order replaceable parts from Agilent e Contact your nearest Agilent Sales Office or Service Center e Identify the parts by the Agilent part number shown below e Provide the instrument model number and serial number Part Number 34401 86020 34401 45021 33220 84101 33502 88001 2090 0977 1250 2110 33502 80001 33502 66502 1252 8483 1253 4669 53200 61608 33250 68501 33502 80002 Description Bumper Kit Handle Cover Keypad Display Front Panel BNCs Front Panel Kit Front Panel PCA USB Connector LAN Connector Line Filter Fan Power Supply Kit The fuses used in the power supply are 3 15A 250V radial leaded time lag fuses If the fuse blows replace the entire power supply assembly 52 33502A User s Service Guide Service Information and Typical Characteristics 4 Typical Characteristics These characteristics apply when using the 33502A amplifier in an environment that is free of electromagnetic interference and electrostatic charge When using the amplifier in an environment where electromagnetic interference or significant electrostatic charge is present measurement accuracy may be reduced Specifications are subject to change without notice For the latest specifications
20. e on your instrument for a USB connection Just connect the amplifier to your PC using the USB 2 0 cable included with the instrument Be sure to use the USB port on the amplifier s rear panel for USB connectivity the USB port on the front panel is for a USB drive e LAN Interface By default DHCP is enabled on the instrument which may enable network communication over the LAN interface 10BaseT 100BaseTx You may need to set several configuration parameters as described in the LAN configuration sections that follow To configure and verify an interface connection between the 33502A and your PC use the Agilent 10 Libraries Suite E2094M Agilent 10 Libraries for Windows or an equivalent For more information about Agilent s 1 0 connectivity software go to www agilent com find iolib 34 33502A User s Service Guide Remote Interface Configuration 3 Configuring the USB Interface For the USB interface no configuration parameters are required to set up the amplifier Connect the USB port on the rear panel of your amplifier to a USB port on your computer Note that it may take several seconds for the computer to recognize and establish a connection to the amplifier Remote Interface Operation The following command enables the USB remote interface SYSTem COMMunicate ENABle ON USB The following command queries the state of the USB interface SYSTem COMMunicate ENABle USB This query returns a 0 disabled or a 1 enable
21. e the navigation bar on the left to access your 33502A and related information LXI LAN extensions for Instrumentation Agilent Technologies Inc 2009 4 For further information click Help with this Page and follow the instructions in the Web Interface Help 33502A User s Service Guide 43 3 Remote Interface Configuration 44 33502A User s Service Guide Agilent 33502A 2 Channel Isolated Amplifier User s Guide 4 Service Information and Typical Characteristics Service Information 46 Verifying Amplifier Functionality 46 Gain Flatness and Full Power Bandwidth Tests 47 Output Current Tests 48 Internal Switching Tests 49 Types of Service Available 50 Extended Service Contracts 50 Obtaining Repair Service Worldwide 50 Repackaging for Shipment 51 Cleaning Instructions 51 Replaceable Parts List 52 To Order Replaceable Parts 52 Typical Characteristics 53 General Characteristics 54 Input Configuration 56 Output Configuration 57 Dimensions 58 ka a Agilent Technologies 45 4 Service Information and Typical Characteristics Service Information Verifying Amplifier Functionality This simple procedure allows you to verify that your 33502A amplifier is functioning properly To begin set up the amplifier in the following configuration which includes a function generator and a digital multimeter DMM connected via shielded BNC cable Function Generator DMM You will use this configuration for ea
22. ent recommends that you retain the original shipping carton for use in such shipments 33502A User s Service Guide Service Information and Typical Characteristics 4 Repackaging for Shipment If the unit is to be shipped to Agilent for service or repair be sure to e Attach a tag to the unit identifying the owner and indicating the required service or repair Include the model number and full serial number e Place the unit in its original container with appropriate packaging material for shipping e Secure the container with strong tape or metal bands If the original shipping container is not available place your unit in a container which will ensure at least 4 inches of compressible packaging material around all sides for the instrument Use static free packaging materials to avoid additional damage to your unit Agilent suggests that you always insure shipments Cleaning Instructions Before cleaning the amplifier remove power from the amplifier Clean the outside of the instrument with a soft lint free slightly dampened cloth Do not use detergent Disassembly is not required or recommended for cleaning Be sure that the amplifier is dry before restoring power 33502A User s Service Guide 51 4 Service Information and Typical Characteristics Replaceable Parts List This section contains information for ordering replacement parts for your instrument The parts lists include a brief description of each part with th
23. hoices for a given command string The braces are not sent with the command string e A vertical bar separates multiple parameter choices for a given command string Triangle brackets lt gt indicate that you must specify a value for the enclosed parameter The brackets are not sent with the command string e Some parameters are enclosed in square brackets This indicates that the parameter is optional and can be omitted The brackets are not sent with the command string If you do not specify a value for an optional parameter the instrument chooses a default value SCPI Language Version You can determine the SCPI version to which your instrument adheres by sending a command from the remote interface e You can query the SCPI version from the remote interface only Remote Interface Operation The SYSTem VERSion query returns the SCPI version in the form YYYY v where YYYY represents the year of the version and vV represents a version number for that year for example 2009 0 33502A User s Service Guide Features and Functions 2 Front Panel Features Front Panel Display The Agilent 33502A provides an alphanumeric display to indicate the status of the channels and the amplifier s overall configuration The display also includes a menu section at the bottom that allows you to configure the instrument and perform certain operations Displayed Messages The center of the display show
24. iS fore f PERFORM RENAME Action Allows you to specify the action you want to perform You can create a new folder and you can also delete copy or rename a file or folder Path File Allows you to specify the file or folder on which you want to perform the action File browser BROWSE Perform The label on this softkey will change to one of the four choices Action shown depending on what is selected by the Action key above When you press this softkey that action will be performed 24 33502A User s Service Guide System Features and Functions Menu The features under the front panel System menu are shown below Display Run Off On Self Test Scrn Svr Bri Beeper Off On About MN Secure Cancel Off On English ghtness Help Lang tateiial FESS EL Chinese Displays information about the amplifier and its firmware Run Self Test Runs a self test on the amplifier Help Lang NISPOM Secure Options 33502A User s Service Guide Allows you to specify whether you want the help to appear in English French German Japanese Korean or Chinese Allows you to secure the amplifier to National Industrial Security Program Operating Manual NISPOM specifications Allows you to configure the display and beeper 25 2 2 Features and Functions 1 0 Config Menu The features under the front panel I O Config menu are shown below LAN Enable
25. ier Operations 12 Preparing the Amplifier for Use 12 Using the Front Panel 13 Basic Amplifier Troubleshooting 15 If the Amplifier Does Not Turn On 15 To Adjust the Carrying Handle 16 To Rack Mount the Amplifier 17 te Agilent Technologies 11 1 Basic Amplifier Operations 12 This section introduces the basics of the 33502A amplifier and how to use it Preparing the Amplifier for Use To verify that your 33502A amplifier is ready for use 1 Check the list of supplied items The following accessories are shipped standard with the 33502A amper Power cord for country of destination Agilent 33502A Product Reference CD Agilent Automation Ready CD IO Libraries Suite The following printed hardcopy manual is optionally available Agilent 33502A User s Service Guide If the 33502A was ordered with option OBO delete printed manuals a hardcopy manual is not included with the instrument However all manuals online help and other documentation are provided in electronic form on the Agilent 33502A Product Reference CD Before installing the instrument verify that you have received these items with your instrument If anything is missing please contact your nearest Agilent sales office or Agilent authorized reseller Inspect the unit When you receive your amplifier inspect it for any obvious damage that may have occurred during shipment If there is damage notify the shipping carrier and nearest Agilent sales office or
26. l and 011 as 9 However the amplifier assumes that all dot notation addresses are expressed as decimal byte values and strips all leading zeros from these byte values Thus attempting to set an IP_ address of 255 255 020 011 will become 255 255 20 11 a purely decimal expression Be sure to enter the exact expression 255 255 20 11 in your computer web software to address the instrument To avoid confusion use only decimal expressions of byte values 0 to 255 with no leading zeros 33502A User s Service Guide Remote Interface Configuration 3 Configuring LAN Parameters DHCP DHCP is a protocol for automatically assigning a dynamic IP address subnet mask and default gateway to a device on a network and is typically the easiest way to configure your amplifier for remote communication using the LAN interface e Changing the DHCP setting will cause an automatic LAN restart e When DHCP is enabled factory setting the amplifier will try to obtain an IP address from a DHCP server If a DHCP server is found it will assign a dynamic IP address subnet mask and default gateway to the instrument The DHCP server may also assign the DNS address and may change the specified host name if a manually specified host name is already in use e When DHCP is disabled or unavailable the amplifier will use the static IP address Subnet Mask and Default Gateway during power on e Ifa DHCP LAN address is n
27. lified output from the DMM immediately upon taking the measurement by turning off the output of the 33502A 1 Configure the function generator to generate a 1 kHz 1 VRMS square or sine wave with high impedance load 2 Configure the DMM for AC current 3 Configure the 33502A for 1 MQ input impedance with the channel turned on and amplified You will need to repeat the test for both channels 4 Connect the output of the amplifier to the DMM for less than 10 seconds and measure the current from the amplifier Disconnect the amplified output from the DMM by turning off the output of the 33502A 5 The current should typically be between 250 and 480 mA 48 33502A User s Service Guide Service Information and Typical Characteristics 4 Internal Switching Tests 1 Configure the function generator to generate 1 VDC into a high impedance load Configure the DMM for DCV 3 For each of the 33502A configurations shown in the following table measure V the amplified signal 4 Compare your values of V ut to the typical values for operation shown in the two columns on the right side of the table Output Impedance Coupling Vout Typical Low Typical High Amplify Off 1MQ DC 0 0 02 Direct On 1 MQ DC 0 95 1 05 Amplify On 1MQ DC 4 75 5 25 Amplify On 1MQ AC 0 0 02 Amplify On 500 DC 2 3 2 3 Skip this test if the DC source does not have 50 Q output impedance 33502A User s Service Guide 49 4 50 Service Information
28. llow Channel 2 Status Shown in green Softkey Labels Shown at the bottom of the screen For further information see Chapter 2 Features and Functions 33502A User s Service Guide In This Guide 33502A User s Service Guide Quick Start In this chapter you prepare the amplifier for use and become familiar with the most common front panel operations Features and Functions In this chapter you will find a detailed description of the amplifier s capabilities and operation This chapter presents both front panel and remote interface operation of the instrument Refer to the Agilent 33502A Programmer s Reference Help for a detailed description of the SCPI commands Remote Interface Configuration This chapter describes how to connect the amplifier using a remote interface Service Information and Typical Characteristics This chapter lists typical characteristics of the the Agilent 33502A amplifier 33502A User s Service Guide Contents Contents 1 QuickStart 11 Basic Amplifier Operations 12 Preparing the Amplifier for Use 12 Using the Front Panel 13 Basic Amplifier Troubleshooting 15 If the Amplifier Does Not Turn On 15 2 Features and Functions 19 SCPI Programming Introduction 20 Front Panel Features 21 Front Panel Display 21 Displayed Messages 21 Front Panel Main Menu 22 Utility Menu 23 File Menu 24 System Menu 25 1 0 Config Menu 26 Annunciators 27 Turning the Display Off 27 Fro
29. low Five Help topics Error list Delete New Fidr f Action LAN Enable Disable Ji Delete Enabled DHCP Enable Disable Enabled Rename Modify Text entry tools File browser Settings BROWSE ADRA Text entry tools Name PERFORM DELETE iapa Utility VXIt1 Enable Disable 4 Enabled PERFORM COPY vo LAN LAN p Enable Disable Config J Settings J Services J Enabled Enable All PERFORM RENAME Stam Enable Disable Enabled Web Enable Disable About Enabled Run Set to Self Test Defaults A List of six languages SEENEN Cancel English Changes Erase or Cancel ETEIZoIN Apply Secure Changes Display and beeper settings Options View Errors Allows you to view the instrument s error queue Errors are cleared from the queue as they are displayed on the screen 1 0 Config Allows you to configure local area network LAN settings System Menu Allows you to run a self test on the amplifier select the help language and configure the display and beeper File Allows you to manipulate files and folders in the mass memory subsystem including internal storage and USB Help Presents a menu of help topics and access to help on the most recently displayed message s 33502A User s Service Guide 23 2 Features and Functions File Menu The features under the front panel File menu are shown below Action New Fidr Delete ff Copy PERFORM DELETE CREATE FOLDER PERFORM
30. me for the amplifier is A 33502A nnnnn where nnnnn is the last five digits of the instrument s serial number representation IfDynamic Domain Name System DNS is available on your network and your amplifier uses DHCP the Host Name is registered with the Dynamic DNS service at power on The Host Name is stored in non volatile memory and does not change when power has been off after a Factory Reset RST command or after an Instrument Preset SYSTem PRESet command 33502A User s Service Guide 39 3 40 Remote Interface Configuration DNS Server The Domain Name Service DNS is an Internet service that translates Domain names into IP addresses Contact your network administrator to determine if DNS is being used and for the correct address If you change the DNS address you must cycle power on the amplifier to activate the new setting The default DNS Address for the amplifier is 0 0 0 0 e The DNS Server address is stored in non volatile memory and does not change when power has been off after a Factory Reset RST command or after an Instrument Preset SySTem PRESet command Instrument Unexpectedly Goes into Remote If your 33502A unexpectedly goes into remote mode it is likely because you have the instrument configured to the LAN on someone else s host controller Operations on that host controller can query your instrument causing it to go into remote mode To prevent this do any
31. nplug instrument from wall outlet remove power cord and remove all cables from all ter minals before servicing Only qualified service trained person nel should remove the cover from the instrument Line and Current Protection Fuses For continued protection against fire replace the line fuse and the current protection fuse only with fuses of the specified type and rating Additional Notices Waste Electrical and Electronic Equipment WEEE Directive 2002 96 EC This product complies with the WEEE Direc tive 2002 96 EC marking requirement The affixed product label see below indi cates that you must not discard this electri cal electronic product in domestic household waste Product Category With reference to the equipment types in the WEEE directive Annex 1 this product is classified as a Monitoring and Control instrumentation product Do not dispose in domestic household waste To return unwanted products contact your local Agilent office or see www agilent com environment product for more information The Front Panel at a Glance The Agilent 33502A is a two channel isolated amplifier Both channels can either propagate a signal directly or with 5x amplification The channel inputs are on the rear panel of the amplifier and the outputs are either on the front panel as shown here or on the rear panel Option 001 only The main front panel features are shown below 2 F 5024 ye mee i
32. nt Panel Alphanumeric Character Entry 28 Error Conditions 28 Reading the Error Queue 29 Mass Memory MMEMory Subsystem 30 Power On and Reset State 31 3 Remote Interface Configuration 33 Configuring the USB Interface 35 Configuring the LAN Interface 36 Configuring LAN Parameters 37 33502A User s Service Guide 9 Contents DHCP 37 IP Address 37 Subnet Mask 38 Default Gateway 38 Host Name 39 DNS Server 40 Instrument Unexpectedly Goes into Remote 40 Setting up a LAN connection from the Front Panel 41 Setting up a LAN connection from the Remote Interface 42 4 Service Information and Typical Characteristics 45 Service Information 46 Verifying Amplifier Functionality 46 Gain Flatness and Full Power Bandwidth Tests 47 Output Current Tests 48 Internal Switching Tests 49 Types of Service Available 50 Extended Service Contracts 50 Obtaining Repair Service Worldwide 50 Repackaging for Shipment 51 Cleaning Instructions 51 To Order Replaceable Parts 52 Typical Characteristics 53 Typical Characteristics 54 General Characteristics 54 Input Configuration 56 Output Configuration 57 Index 59 10 33502A User s Service Guide Agilent 33502A 2 Channel Isolated Amplifier User s Service Guide 1 Quick Start This chapter gives you a quick overview of the 33502A amplifier s front panel and basic features The examples will help you become familiar with your amplifier and its basic operation Basic Amplif
33. ot assigned by a DHCP server then a static IP will be assumed after approximately 1 minute If Auto IP is enabled a dynamic rather than static IP address will be assigned by the server at power on IP Address An Internet Protocol IP Address is required for all IP and TCP IP communications with the instrument If DHCP is enabled factory setting the specified static IP address is not used However if the DHCP server fails to assign a valid IP address or if DHCP and Auto IP are both off the currently configured static IP address will be used e Changing the IP address will cause an automatic LAN reset The factory set default IP Address is 169 254 5 2 If you are planning to use a static IP address on a corporate LAN contact your network administrator to obtain a fixed IP address to be used exclusively for your instrument e The IP address is stored in non volatile memory and does not change when power has been off after a Factory Reset RST command or after an Instrument Preset SYSTem PRESet command 33502A User s Service Guide 37 3 38 Remote Interface Configuration Subnet Mask The amplifier uses the Subnet Mask to determine whether a client IP address is on the same local subnet When a client IP address is on a different subnet all packets must be sent to the Default Gateway Contact your network administrator to determine whether subnetting is being used and for the correct Subnet
34. rranty 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 information 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 7
35. s the status of each channel as shown below The bottom of the screen is reserved for six softkey labels Each label describes the function of the softkey immediately below it A sample menu is shown below Channel Direct Impedance Coupling 2 Amplify E11 MORE IDC Utility 33502A User s Service Guide 21 2 22 Features and Functions Front Panel Main Menu The structure of the main menu is shown below Four of the buttons allow you to configure the channels and the rest of the menu options fall under the Utility menu View Errors 0 Config System Menu Channel 12 Direct Amplified Impedance 50Q 1MQ Coupling AC DC Utility Direct Amplified 33520A Amplifier Front Panel Softkeys Impedance 502 1MQ Coupling AC DC Selects the channel to configure Specifies whether the selected channel should go directly through the 33502A or whether it should get 5x amplification If you select Amplify the Impedance and Coupling softkeys below become active Specifies whether the selected channel should have 50 or 1 000 000 ohms of input impedance Allows you specify whether the channel should be AC or DC coupled Allows you to configure the instrument view errors and manipulate files on the mass memory subsystem 33502A User s Service Guide Features and Functions 2 Utility Menu The Utility menu is the largest part of the front panel menu system It is shown in detail be
36. sents the last 5 digits of the instrument serial number 33502A User s Service Guide 31 2 Features and Functions 32 33502A User s Service Guide Agilent 33502A 2 Channel Isolated Amplifier User s Service Guide 3 Remote Interface Configuration Configuring the USB Interface 35 Configuring the LAN Interface 36 Configuring LAN Parameters 37 DHCP 37 IP Address 37 Subnet Mask 38 Default Gateway 38 HostName 39 DNS Server 40 Instrument Unexpectedly Goes into Remote 40 Setting up a LAN connection from the Front Panel 41 Setting up a LAN connection from the Remote Interface 42 Agilent 33502A Web Interface 43 ee Agilent Technologies 33 3 Remote Interface Configuration This chapter tells how to configure the Agilent 33502A for remote interface communication For additional information refer to the Agilent 38502A Programmer s Reference Help for information on programming the instrument using SCPI commands This help file is found on the Agilent 38502A Product Reference CD ROM Agilent USB LAN GPIB Connectivity Guide for interface configuration and troubleshooting information This manual is found on the Agilent Automation Ready CD ROM or at www agilent com find connectivity The Agilent 33502A supports USB and LAN interfaces Both interfaces are enabled at power on The front panel Remote annunciator turns on whenever there is activity on the remote interface e USB Interface There is nothing to configur
37. side by side as shown below You must remove the carrying handle and the front and rear rubber bumpers before rack mounting an instrument To rack mount two instruments side by side order lock link kit 5061 6769 and flange kit 5063 9212 33502A User s Service Guide 17 1 Quick Start 18 33502A User s Service Guide Agilent 33502A 2 Channel Isolated Amplifier User s Service Guide 2 Features and Functions SCPI Programming Introduction 20 Front Panel Features 21 Front Panel Display 21 Displayed Messages 21 Front Panel Main Menu 22 Utility Menu 23 FileMenu 24 System Menu 25 1 0 Config Menu 26 Annunciators 27 Turning the Display Off 27 Front Panel Alphanumeric Character Entry 28 Error Conditions 28 Reading the Error Queue 29 Mass Memory MMEMory Subsystem 30 Power On and Reset State 31 gy Agilent Technologies 2 Features and Functions SCPI Programming Introduction 20 The Agilent 33502A complies with the syntax rules and conventions of SCPI Standard Commands for Programmable Instruments For complete SCPI command syntax information refer to the Agilent 38502A Programmer s Reference Help This is a standard Windows help system provided on the Agilent 38502A Product Reference CD ROM that came with your instrument SCPI Language Conventions Throughout this guide the following conventions are used for SCPI command syntax for remote interface programming e Braces enclose the parameter c
38. ssage and beeps once each time a command syntax or hardware error is generated e Each remote interface I O session USB or LAN has its own interface specific error queue e A special global error queue holds all power on and hardware related errors for example over temperature e Errors are retrieved in first in first out FIFO order The first error returned is the first error that was stored Errors are cleared as you read them Once you have read all of the interface specific errors the errors in the global queue are retrieved Errors are cleared as you read them When you have read all errors from the interface specific and global error queues the ERROR annunciator turns off and the errors are cleared 33502A User s Service Guide Features and Functions 2 If more than 20 errors have occurred the last error stored in the queue the most recent error is replaced with 350 Error queue overflow No additional errors are stored until you remove errors from the queue If no errors have occurred when you read the error queue the instrument responds with 0 No error The front panel reports errors from all I O sessions as well as the global error queue Both the interface specific and global error queues are cleared by the CLS Clear Status command and when power is cycled The errors are also cleared when you read the error queue The error queue is not cleared by a Factory Reset
39. y 36 38 Default Settings 31 DHCP 36 Display 21 Character Entry 28 Turn Off 27 Display Annunciators 27 DNS Server 36 40 E Error Conditions 28 Errors reading 29 33502A User s Service Guide F Factory Settings 31 Front Panel Display 21 H Host Name 36 39 l IP Address 37 L LAN Interface 34 36 LAN Services 36 M Menu Utility 23 Messages Displayed 21 P Power On State 31 Prepare for Use 12 Rack Mounting 17 Rear Panel Description 4 5 Remote Annunciator 34 Remote 1 0 introduction 34 unexpected 40 Remote Interface Configuration 34 Rubber Bumper Removal 17 S Safety Information 3 Safety Notices 2 Index Safety Symbols 3 SCPI Language Conventions 20 Language Version 20 Service Information 46 Settings Default 31 Sockets 36 Subnet Mask 36 System II Rack Mounts 17 T TCP IP 37 Telnet 36 Troubleshooting 15 Turn Off Display 27 U USB Interface 34 35 Utility Menu 23 V Visa LAN 36 wW Waste Electrical and Electronic Equipment Directive 3 Web Browser 43 59
40. y OFF The following command queries the display setting DISPlay The query returns 0 OFF or 1 ON Sending a DISPlay TEXT lt string gt command when the display is turned off will keep the display off with the exception of displaying the lt string gt 33502A User s Service Guide 27 2 28 Features and Functions Front Panel Alphanumeric Character Entry In some menus such as I O configuration you can manually enter a number or alphanumeric string Use the softkeys shown below to edit the text A UJ KNOWN 000000 Next Previous Delete gt Character Character Character DONE E Moves the cursor one character to the left in this case from the N to the U gt Moves the cursor one character to the right in this case from the N to the K Next Changes the selected character to the next character in the Character list of characters In this case it would change the N to O Previous Changes the selected character to the next character in the Character list of characters In this case it would change the N to M Delete Deletes the selected character In this case it would delete Character the N and bring the K next to the U DONE Finishes text editing Error Conditions When the front panel ERROR annunciator turns on one or more command syntax or hardware errors have been detected A record of up to 20 errors can be stored in the instrument s error queue The amplifier displays a me
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