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HP 11713A Operating and Service Manual

1. Turn on the driver and verify that the proper power up status is reached The driver should come up in local with all pushbutton LEDs on which corresponds to the maximum attenuation settings Measure the voltages at A1TP1 and A1TP2 TP1 5 0 0 5 Vdc TP2 24 0 1 0 Vdc Verify that the 24 0 1 0 Vdcis present at the rear panel red banana jack If an attenuator or switch buzzes when actuated by the front panel pushbutton the output transistor may be shorted or one of the protection diodes may be shorted If one of the pushbutton LEDs does not light determine if the pushbutton is operational by checking to see if the circuitry drives an attenuator or switch properly If the switching click of the relay in the attenuator or switch can be heard only the LED may be defective Check the driver in full local operation before testing in remote operation If a pushbutton does not actuate an attenuator section or changethe position of a coaxial switch do the following a Check the output pulses of the A7 switch board assembly either at the A7 outputs or on the multiplexer inputs of the A4 remote local logic assembly b If the pulses are present when the corresponding front panel button is pushed check the output of the A4 multiplexers Verify that the multiplexers are in local mode of operation 11713A Operating and Service Manual 8 5 Servicing the Attenuator S witch Driver Troubleshooting c Veri
2. WARNING Servicing the Attenuator S witch Driver Maintenance and Adjustments Maintenance and Adjustments Fuse Removal R eplacement User maintenance is limited to replacement of the rear panel fuse The main ac line fuse is located on the rear panel in the line power module Use the following procedure to remove the fuse Refer to Figure 3 2 1 Remove the line power cable from its jack 2 Open the cover door of the line power module 3 Push the fuse pull lever to the left and remove the fuse 4 Replace the fuse with one of the correct rating and type for your selected input ac line voltage F use ratings for line voltages are indicated below the power module Be sure to select the correct fuse rating for the selected line voltage Do not use repaired fuses or short circuited fuse holders To do so could cause a shock or fire hazard Adjustments The 11713A attenuator switch driver has no internal electrical or mechanical adjustments 8 4 11713A Operating and Service Manual Servicing the Attenuator Switch Driver Troubleshooting Troubleshooting Isolating a Malfunction Usethe following procedure to help you isolate a malfunction LY Recommended test equipment for troubleshooting is listed in Table 4 1 A Figure 8 2 and Figure 8 3 identify the assemblies and test points specified in the steps below Procedure 1 Removethe switch driver top cover Refer to Module Cover Removal Replacement
3. 84904K L 33324K L 11 dB 1 dB steps 84906K L 33326K L 90 dB 10 dB steps 84907K L 33327K L 70 dB 10 dB steps 11713A Operating and Service Manual 1 3 Agilent Technologies 11713A Attenuator Switch Driver Overview Connecting Accessories Table 1 3 lists accessories that are available for the 11713A attenuator switch driver Supplied accessories include two dual Viking connector cables 12 pin conductor 60 inches long and a line power cable Refer to Replaceable Parts Table 1 3 Available Accessories Accessories Available But Not Supplied Interconnect kit Type N connectors Agilent 11716A Interconnect kit 7 mm connectors Agilent 11716B Interconnect kit SMA connectors Agilent 11716C Attenuator switch driver rear cord wrap kit Agilent 5062 3995 Viking connector to four ribbon cables to connect up to Agilent 11761A four switches Viking connector to 10 pin DIP connector 60 inches long Agilent 11764B 9 Pin conductor cable to Viking connector for five 8120 2178 switches 60 inches long 12 Pin conductor cable bare wire to Viking connector 5061 0969 for five switches 60 inches long a Order this kit to connect two programmable step attenuators in series b Order this kit to set the driver on the rear panel for bench operation Recommended Test Equipment Recommended test equipment for verifying performance and for troubleshooting the 11713A attenuator
4. For assistance call your local Agilent Technologies Sales and Service Office refer to Service and Support on page v iv 11713A Operating and Service Manual Contacting Agilent Any adjustment maintenance or repair of this product must be performed by qualified personnel Contact your customer engineer through your local Agilent Techhnologies Service Center If you do not have access tothe Internet one of these Agilent Technologies centers can direct you to your nearest representative Online assistance www agilent com find assist United States Latin America Canada Europe tel 1 800 452 4844 tel 305 269 7500 tel 1 877 894 4414 tel 31 20 547 2323 fax 305 269 7599 fax 905 282 6495 fax 31 20 547 2390 Australia tel 1 800 629 485 fax 61 3 9210 5947 New Zealand tel O 800 738 378 fax 64 4 495 8950 J apan tel 81 426 56 7832 fax 81 426 56 7840 Asia Call Center Numbers Country Phone Number Fax Number Singapore 1 800 375 8100 65 836 0252 Malaysia 1 800 828 848 1 800 801664 Philippines 632 8426802 632 8426809 1 800 16510170 PLDT 1 800 16510288 PLDT Subscriber Only Subscriber Only Thailand 088 226 008 outside Bangkok 66 1 661 3714 662 661 3999 within Bangkok Hong Kong 800 930 871 852 2506 9233 Taiwan 0800 047 866 886 2 25456723 People s Republic 800 810 0189 preferred 10800 650 0121 of China 10800 650 0021 India
5. Remove the three screws that secure the A6 interface assembly To Replace the A6 Interface Assembly 1 Use the three screws to install the A6 interface assembly to the rear panel Assemble the rear panel to the main frame using the four corner screws Connect the ribbon cable from the rear panel to the A1 interconnect assembly Replace the module covers 11713 Operating and Service Manual 7 13 CAUTION Replacing Major Assemblies A7 Switch Board Assembly Removal Replacement A7 Switch Board Assembly Removal Replacement This module contains components that can be damaged or destroyed by electrostatic discharge It should be serviced at a static safe workstation Refer to Preparing a Static Safe Work Station in Chapter 8 To Remove the A7 Switch Board Assembly 1 Remove both covers Unscrew one screw on each cover and then slide the cover toward the rear Disconnect the ribbon cable from the A1 interconnect assembly to the rear panel Remove the front panel from the main frame by removing the four corner screws Remove the five screws that secure the A7 switch assembly to the front panel and remove the board To Replace the A7 Switch Board Assembly 1 2 Replace the board using five screws to install it onto the front panel Assemble the front panel to the main frame using the four comer screws Connect the ribbon cable from the rear panel to the A1 interconnect a
6. 11713A INTERNAL REAR PANEL Q GPIB command AO connects port C and port 2 and turns the front panel LED for pushbutton 0 ON COAXIAL SWITCH 11713A INTERNAL REAR PANEL gaam AA PORT 2 24 Vdc O DRIVE PIN a a fu Q e al i a PIVOT ARMATURE O 24 Vdc 24 Vdc COM 11713A Operating and Service Manual 2 9 Installing the Agilent Technologies 11713A Attenuator S witch Driver Figure 2 5 shows the rear panel connections and the GPIB command necessary to change the position of Agilent 8761B SPDT RF switches For GPIB command usage refer to Data Message Input Format on page 6 3 Figure 2 5 Connections for Agilent 8761B SPDT Switches q GPIB command B9 connects port C and port 2 and turns the front panel LED for pushbutton 9 OFF 11713A SPOT RF SWITCH INTERNAL REAR PANEL CA 24 Vdc O 24 Vdc 24 V c COM q GPIB command A9 connects port C and port 1 and turns the front panel LED for pushbutton 9 ON 11713A SPOT RF SWITCH INTERNAL REAR PANEL tom 24 V c O 24 Vdc COM 2 10 11713A Operating and Service Manual Installing the Agilent Technologies 11713A Attenuator S witch Driver Connecting to Four Section 1 To use one four section attenuator assembly connect an attenuator cable to either the ATTEN X output A6 1 or ATTEN Y output A6 2 Connect both outputs to have more than four attenuator segments Figure 2 6 shows a typical connection for a programmable four
7. f Insert the fuse into the holder 2 4 11713A Operating and Service Manual Installing the Agilent Technologies 11713A Attenuator S witch Driver GPIB Addressing 8 Use the five bit address switches located on the rear panel of the instrument to change the GPIB address oThe 11713A has a factory preset address of decimal 28 The switch labeled with a one is the least significant bit oThere are 32 possible addresses Addresses O and 31 are typically reserved for GPIB functions and should not be used EE 488 1 limits the number of addressable elements instruments to 16 Figure 2 2 GPIB Address Selection GPIB Address DON T CARE Table 2 1 ASCII Address Codes to Decimal Equivalents ASCII Address Decimal ASCII Address Decimal Codes LISTEN Equivalents Codes LISTEN Equivalents SP 00 0 16 01 1 17 02 2 18 03 3 19 04 4 20 05 5 21 amp 06 6 22 07 7 23 08 8 24 09 9 25 F 10 26 11 27 12 lt 28 13 29 14 gt 30 15 31 11713A Operating and Service Manual 2 5 Logic levels Programming and Output data format Mating connector Mating cables available CAUTION Installing the Agilent Technologies 11713A Attenuator S witch Driver Mating Connectors q Mating connectors used with the driver are the 24 pin GPIB male the 12 pin Viking Industries connector and the banana type male Figure 2 3 provi
8. characteristics supplemental 3 2 clear lockout message 4 7 coaxial switches 2 9 compatible switches attenuators 1 3 connecting to attenuator drivers 2 7 connectors mating 2 6 pin numbers 2 8 continuous current 2 12 D data message input format 6 3 data messages 6 3 description general 1 2 E electrostatic discharge information 8 2 environmental limitations 2 2 ESD 8 2 ESD accessories 8 2 F factory preset address 2 5 features front panel 5 3 front panel control 5 3 features 5 3 pushbuttons 5 3 removal 7 6 fuse removal 8 4 replacement part numbers 7 2 selection 2 4 G GPIB address 2 5 6 3 bus messages 6 6 compatibility 6 2 I initial conditions 4 3 initial setup remote operations 4 5 inspection 2 2 installation 2 1 isolating a malfunction 8 5 L LEDs 5 3 line voltage selection 2 4 load current 2 12 local control 5 2 local lockout 6 3 local lockout message 4 7 local mode 6 2 local to remote 6 2 logic levels 2 6 M major assemblies 7 1 malfunction 8 5 mating connectors 2 6 module cover 7 5 O operating requirements 2 3 operator s check local operation 4 3 remote operation 4 5 options 1 2 P power cable 2 3 power requirements 2 3 program execution time 6 4 R rack mounting 2 2 rear panel removal 7 7 receiving messages 11713A Operating and Service Manual Index 1 clear 6 4 clear lockout 6 5 data 4 6 local 6 5 lockout 6 5 pass control 6 5 set local 6 5 trigger 6 4 remote mode 6 2 rem
9. 1 600 11 2929 000 800 650 1101 11713A Operating and Service Manual v WARNING CAUTION Instrument Markings Safety and Regulatory Information Review this product and related documentation to familiarize yourself with safety markings and instructions before you operate the instrument This product has been designed and tested in accordance with international standards The WARNING notice denotes a hazard It calls attention to a procedure practice or the like that if not correctly performed or adhered to could result in personal injury Do not proceed beyond a WARNING notice until the indicated conditions are fully understood and met The CAUTION notice denotes a hazard It calls attention to an operating procedure practice or the like which 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 When you see tis symbol on your Instrument you should rere to tne A instruments instruction manual for important information ij 5 This symbol indicates hazardous voltages This symbol indicates that the instrument requires alternating current ac input Pu The CE mark is a registered trademark of the European Community If CE it is accompanied by a year it indicates the year the design was proven The C Tick mark is a registered tr
10. 4 If either voltage is not acceptable disconnect both ribbon cables to the front and rear panels and remeasure the voltages at TP1 and TP 2 5 If the voltages at the test points are still unacceptable replace the Al interconnect assembly Assembly Overview The power supply is enabled when the LINE ON OFF switch is set to the ON position The power supply provides 5 Vdc for the logic circuits and 24 Vdc at 0 650 amperes continuous to drive attenuators relays or switches connected to the driver A crowbar circuit is incorporated that causes the primary line fuse to blow if the ac input voltage exceeds the ratings on the power mains fine module In addition the Al interconnect assembly provides GPIB lines level shifting to meet the IEEE specifications for a listener device 11713A Operating and Service Manual 8 13 Servicing the Attenuator S witch Driver Troubleshooting the A2 Driver Assembly Troubleshooting the A2 Driver Assembly The A2 driver assembly is controlled by inputs from the A3 latch assembly which is clocked by either the A7 front panel switches or from the GPIB through the A4 remote local logic assembly To Troubleshoot the A2 Driver Assembly 1 To determine the problem board assembly test them in the following sequence Al interconnect A7 switch A5 GPIB A4 remote local logic A3 latch and A2 driver 2 If all the other board assemblies are in working condition do the following a Turnthe power
11. Operation Table 6 1 summarizes the driver s GPIB capabilities in terms of the twelve bus messages Table 6 1 GPIB Message Reference Table GPIB Applicable Response Related Interface Message Commands Functions and Controls Data yes All front panel functions except LINE TO L2 AH1 ON OFF switch are programmable The SHO front panel REMOTE indicator turns on when addressed Data No The driver does not respond to the GET DTO trigger message Trigger No The driver does not respond to the clear DCL SDC DCO message Clear No The driver does not respond to the dear REN RL1 gt message Remote Yes The driver remote mode is enabled when GTL RL1P the REN bus line is true However R remains in local i e the front panel is active until it is addressed to listen the first time The output signal is unchanged The front panel REMOTE indicator turns on when in remote mode Local No The driver does not respond to the Local LLO RL1P message Refer to Clear Lockout set Local Local Lockout Yes LOCAL key is disabled Only the RL controller can return to the driver to REN local Clear Lockout Yes Driver goes to local and local lockout is RL1P Set Local cleared when REN goes false Pass No The driver has no controller capability SRQ SRO Control Take Control Require No The driver does not respond to a serial SPE SPD TO Service poll Status Byte No The driver does not respond to a parallel PPO
12. Replacing Major Assemblies In this chapter you will find Replaceable parts and connecting accessories Procedures for the removal and replacement of major assemblies in the 11713A attenuator switch driver o Module cover o Front panel o Rear panel o Al interconnect and power supply assembly o A2 driver assembly o A3 latch assembly o A4 remote local logic assembly o A5 GPIB handshake and data input assembly o A6 interface assembly o A7 switch board assembly o A8 power module line filter assembly Replacing Major Assemblies Replaceable Parts Replaceable Parts Table 7 1 lists the accessories that are supplied with the 11713A attenuator switch driver Other available accessories are listed in Table 1 3 For ordering information refer to Service and Support on page v in the front matter of this manual Table 7 1 Accessories Supplied Item AgilentPart Number Dual Viking connectors 12 pin conductor 60 inches long 8120 2703 2 Line power cable Part number will vary 11713A Operating and Service Manual 1 1713 90023 a The power cable is selected at the factory according to the voltage available in the coun try of destination Table 7 2 Line Fuse Part Numbers Line Voltage Line Fuse Agilent Part Number 100 V 120 V Fast blow 1 25A 2110 0094 220 V 240 V Fast blow 750 mA 2110 0063 7 2 11713 Operating and Service Manual Replacing Major Assemblies Replaceable Parts Major assembli
13. S witch Driver Troubleshooting the A7 Switch Board Assembly LOCAL and REMOTE LEDs signify the operating mode of the driver A reset circuit clears the LOCAL REMOTE flip flop on the A4 remote local assembly to the local state unless the instrument is in local lockout The ON OFF LED is operated from the 5 Vdc supply In remote operation a bus command sets the listen flip flop to accept further bus commands The listen flip flop resets when a local command is given 8 22 11713A Operating and Service Manual Servicing the Attenuator Switch Driver The A8 power supply line module assembly The A8 power supply line module assembly The A8 power supply line assembly houses the power receptacle fuse and voltage selector PC board To Troubleshoot the A8 Power Supply Line Module Assembly 1 If the attenuator switch driver does not power on when the line button is pressed ON check that the fuse is good The main ac line fuse is located on the rear panel in the line power module Refer to Fuse Removal Replacement 2 Ifthefuseis not faulty replace the A8 power supply line module assembly 11713A Operating and Service Manual 8 23 Index A address codes 2 5 address switches 2 5 adjustments 8 4 assemblies 7 3 attenuation levels 6 8 attenuator switch driver local operation 5 1 malfunction 8 5 remote operation 6 1 trouble shooting 8 5 wire color codes 2 8 B bench operation 2 2 C cables internal 7 3 restrictions 2 6
14. are intended to provide useful information They are typical but non warranted performance parameters Table 3 2 Supplemental Characteristics Power 100 or 120 Vac 5 10 at 48 to 440 Hz 200 or 240 Vac 5 10 at 48 to 66 Hz 80 VA maximum Response Time 10 us maximum for contact pairs 1 through 8 20 us maximum for contact pairs 9 and O Driver Life gt 2 000 000 switchings at maximum current for contact pairs 9 and O Maximum Load Inductance 500 mH Maximum Load Capacitance lt 0 01 uF for contact pairs 9 and O Net Weight 4 1 kg 9 Ibs Dimensions Height 102 mm 4 inches including feet Rack height 89 mm 3 5 inches half width module Width 213 mm 8 4 inches Depth 295 mm 11 6 inches 3 2 11713A Operating and Service Manual 4 Verification Overview In this chapter you will find e Recommended test equipment e How to verify local operation e How to verify GPIB interface remote operation Verification Recommended Test Equipment Recommended Test E quipment Recommended Test Table 4 1 lists the test equipment required for performance verification and Equipment troubleshooting Equipment other than the recommended models can be used provided the minimum specifications are satisfied Table 4 1 Recommended Test E qui pment Instrument Type Critical Specifications Use Digital voltmeter 0 to 30 Vdc T Attenuators 2 required Programmable 4 sections P T Sw
15. cable plug going to programmable attenuator X 2 ATTEN Y Connector to accept cable plug going to programmable attenuator Y 3 S9 A B Banana jack connectors for hook up to the coaxial switches 4 24 Vdc Banana jack connector provides the common connection for the 24 Vdc used to drive the coaxial switches 5 SO A B Banana jack connectors for hook up to the coaxial switches 6 Window Safety interlock fuse cannot be removed while power cable is connected to power receptacle 7 Fuse Pull Handle Mechanical interlock fuse must be removed before extraction of Line Voltage Selection Card 5 4 11713A Operating and Service Manual 8 Fuse 1 25 A at 110 120 Vac 750 mA at 220 240 Vac 9 Line Voltage Selection Card Matches transformer primary to line voltage 10 Receptacle Matches transformer primary to line voltage via power cable 11 Line Power Module Assembly 12 A This symbol is used to point out a necessary reference for the user 13 GPIB Address Switches to set the address of the driver decimal 28 is factory preset 14 GPIB Connector The interface connector from a source device to a listening device for the remote mode of operation Remote Operation 6 Remote Operation Overview In this chapter you will learn about e Remote programming capability of the attenuator switch driver e Function and use of GPIB commands in remote mode e Programming information to set up desired level o
16. off b Open the top cover c Pull out the A2 driver assembly and check the board and its socket for damage d Reinstall the board carefully e Switch the power on f Manually press the attenuator buttons several times The light should come on off each time that a button is activated 3 If the manual verification is satisfactory check the computer controlled remote operation by sending these commands Command Desired Outcome OUTPUT 728 A12345678 All attenuator lights go on except the local light OUTPUT 728 BI2345678 All attenuator lights go off except the remote light 4 If the response s satisfactory the A2 drive assembly should be oper ational 5 If the response is unsatisfactory check the other assemblies first before you decide to replace the A2 driver assembly 8 14 11713A Operating and Service Manual Servicing the Attenuator Switch Driver Troubleshooting the A2 Driver Assembly Assembly Overview The A2 driver assembly contains eight pairs of driver transistors and two driver relays One transistor of each pair for example Q9 and Q18 is in saturation while the other transistor is in cutoff The saturated transistor sinks current from the 24 Vdc supply through the load connected to the rear panel of the driver and returns it to ground The open collector outputs are protected against spikes from inductive loads with clamp diodes to both ground and the 24 Vdc supply The driver tr
17. relays or switches an audible click should be heard from the unit actuated Pressing any numbered pushbutton should not cause any other pushbutton to change state 4 4 11713A Operating and Service Manual Verification GPIB Interface Check for Remote Operation GPIB Interface Check for Remote Operation These procedures check the driver s ability to process the GPIB messages described in the GPIB Message Reference Table 4 1 The checks can be performed together or separatel y The validity of these checks are based on the following assumptions e Thedriver operates correctly with front panel control that is in local mode This can be verified with the Local Operation check e Thecontroller properly executes GPIB operation e TheGPIB interface properly executes the controller s instructions If the driver appears to fail any of the GPIB checks the validity of the above assumptions should be confirmed before servicing the driver If all of these checks are successful the driver s GPIB interface is operating correctly These procedures do not check all of the driver s program codes that can be executed However if the driver works correctly from the front panel and the GPIB interface works correctly there is a high probability that the driver will respond to all the program codes Initial Setup Connect the driver to the controller with the GPIB cable as shown in the test setup below The cable must remain connected for all
18. screws Replace the two screws at the GPIB connector 5 Replace the top and bottom covers 11713 Operating and Service Manual 7 7 CAUTION Replacing Major Assemblies A1 Interconnect and Power Supply Assembly Removal Replacement A1 Interconnect and Power Supply Assembly Removal Replacement This module contains components that can be damaged or destroyed by electrostatic discharge It should be serviced at a static safe workstation Refer to Preparing a Static Safe Work Station in Chapter 8 To Remove the A1 I nterconnect Power Supply Assembly 1 Remove the top and bottom covers Refer to Module Cover Removal Replacement 2 Remove the front and the rear panel from the module Using their individual rings pull the four boards A2 driver A3 latch A4 remote local logic and A5 GPIB assemblies from their sockets one at a time Disconnect both ribbon cables from the front and rear panels to the Al interconnect power supply assembly 5 Disconnect the power transformer connector 6 Removethe power transformer by removing the four mounting screws nuts and washers Unscrew the ten small screws and three large screws to separate the Al interconnect power supply assembly from its frame To Replace the A1 I nterconnect Power Supply Assembly 1 Replace the 3 large screws and the ten small screws that secure the assembly to the frame Replace the four long mounting screws with the corr
19. section attenuator and illustrates the connection pin number for each connector ATTEN X or ATTEN Y Using these same connections to Agilent 8762 or 8765 series coaxial switches control can be extended to four eight or ten switches if SO and S9 outputs are also used Figure 2 6 Typical Connections for Programmable Four Section Attenuator 117138 REAR PANEL CONNECTORS ATTEN ATTEN ATTENUATOR 11713A FRONT PANEL PUSHBUTTONS ATTENUATOR ATTENUATOR Y TWO ATTENUATOR CABLES ARE SUPPLIED WITH THE 117134 AND HAVE PART NUMBER 8120 2703 ATTENUATOR CARD ATTENUATOR CARO ATTENUATOR CARD ATTENUATOR CARD 11713A Operating and Service Manual 2 11 Installing the Agilent Technologies 11713A Attenuator S witch Driver Connecting to Relays A To drive ten devices connect attenuator cables at ATTEN X and Y and switch cables to S9 and SO A total of 10 relays may be on at one time if the total current is less than 650 mA However since there are dual transistor and relay drivers where one driver is on while the other is off a total of 20 relays may be controlled Figure 2 7 shows the connections for a simplified relay driving circuit This circuit is adaptable for simple non latching relays CAUTION If the total continuous load current of 650 mA is exceeded damage may result Figure 2 7 Relay Driving Circuit 11713A FRONT E pes REAR PANEL PANEL 12 PIN CONNECTOR RELAYS LOGIC CIRCUITS 4 PUSHBUT
20. switch driver is given in Table 4 1 1 4 11713A Operating and Service Manual Overview Installing the Agilent Technologies 11713A Attenuator Switch Driver In this chapter you will learn about How to unpack and check your instrument How to contact Agilent Technologies for service Operating requirements for the attenuator switch driver How toset the GPIB address of your instrument How to connect to switches attenuators and relays Installing the Agilent Technologies 11713A Attenuator S witch Driver Initial Inspection 1 Unpack and inspect the shipping container and ts contents thoroughly to ensure that nothing was damaged during shipment If the shipping container or cushioning material is damaged the contents should be checked both mechanically and electrically 2 If the contents are damaged or defective contact your nearest Agilent Technologies Service and Support Office Refer tothe Service and Support information in the front matter of this manual Agilent Technologies will arrange for repair or replacement of the damaged or defective equipment K eep the shipping materials for the carrier s inspection 3 If you are returning your instrument for service repackaging the attenuator switch driver requires original shipping containers and materials or their equivalents Agilent Technologies can provide packaging materials identical to the original materials Refer to Service and Support on page v for the Agilent T
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22. 100 Safety IEC 61010 1 1990 A1 1992 A2 1995 EN 61010 1 1993 A2 1995 CAN CSA C22 2 No 1010 1 92 Supplementary Information The product herewith complies with the requirements of the Low Voltage Directive 73 23 EEC and the EMC Directive 89 336 EEC and carries the CE marking accordingly Santa Rosa CA USA 14 May 2001 Greg Pfeiffer Quality Engineering Manager For further information please contact your local Agilent Technologies sales office agent or distributor 11713A Operating and Service Manual ix Typeface Conventions Italics Instrument Display Keycap Softkey User Entry Path Name Computer Display Used to emphasize important information Use this software only with the xxxxxX system Used for the title of a publication Refer to the xxxxX Systen Levd User s Guide Used to indicate a variable Type LOAD BIN filename Used to show on screen prompts and messages that you will see on the display of an instrument The xxxxxX will display the message CAL1 SAVED Used for labeled keys on the front panel of an instrument or on a computer keyboard Press Return Used for simulated keys that appear on an instrument display Press Prior Menu Used to indicate text that you will enter using the computer keyboard text shown in this typeface must be typed exactly as printed Type LOAD PARMFILE Used for examples of programming code tendif ifndef NO CLASS Used for
23. 1460 1345 1 Tilt stand MP14 7120 4294 1 Label MP15 7120 1254 1 Nameplate 7 4 11713 Operating and Service Manual CAUTION NOTE Replacing Major Assemblies Module Cover Removal Replacement Module Cover Removal Replacement This module contains components that can be damaged or destroyed by electrostatic discharge It should be serviced at a static safe workstation Refer to Preparing a Static Safe Work Station in Chapter 8 Top and bottom covers are removed and replaced similarly To Remove Module Covers 1 Unscrew the one single screw in the middle of the cover flange that holds the cover tothe rear panel 2 Slidethe cover toward the rear of the module To Replace Module Covers 1 Slidethe cover toward the front of the module 2 Tap on the cover to ensure that all sides fit snugly 3 Tighten the holding screw at the rear flange 11713 Operating and Service Manual 7 5 CAUTION Replacing Major Assemblies Front Panel Removal Replacement Front Panel Removal R eplacement This module contains components that can be damaged or destroyed by electrostatic discharge It should be serviced at a static safe workstation Refer to Preparing a Static Safe Work Station in Chapter 8 To Remove the Front Panel L Remove the top and bottom covers Refer to M odule Cover Removal Replacement Remove the four corner screws that hold the front panel tothe frame Disconnect the ribbon
24. 1713A Operating and Service Manual 8 9 P O A6 Interface l PBI Address PBI Connector REN DIO1 DIO7 RTN IRC DRV NRFD NDAC au401a A7 Front Panel Local DS1 DSO Attenuator LEDS X and Y Switches A4 Remote Local Logic SW1 through SWO Remote Local 2to1 Multiplexer Remote Local Logic FF to Handshake Out CLK 1 through CLK 0 Remote Local Remote Local Light A5 PIB Interface Address Comparator Address Switches 1 through 5 Address Data Lines NDO1 NDIOS NDIO1 NDIO5 LLO i H gt Detector d Schmitt State x Trigger ifi DIO1 DIO7 Were Qualifier NRFD PIB NDAC Handshake Agilent Technologies A3 Latch A2 Driver P O A6 Interface Attenuator X Drivers FF Driver Storage Registers CLK J amp K Inputs Remote Local Qualifier K 11713A Simplified Block Diagram Servicing the Attenuator Switch Driver Troubleshooting the A1 Interconnect Assembly Troubleshooting the A1 Interconnect Assembly The A 1 interconnect assembly contains the power supply and connectors for other major assemblies To Troubleshoot the A1 Interconnect Assembly 1 Pull out the A2 driver A3 latch A4 remote local logic and A5 GPIB board assemblies 2 Turn the power on and measure the voltage at TP1 on the A1 interconnect assembly 5 Vdc 5 should be present 3 Measure the voltage at TP2 24 Vdc 5 should be present
25. Attenuation 4 Section Attenuator ATTENUATOR X 1 2 3 4 ATTENUATOR Y 5 6 7 8 Pushbuttons Pushbuttons Attenuator Section 1 2 4 4 Attenuator Section 10 20 40 40 dB dB Attenuation in Attenuation in dB dB X Y ATTEN X ATTEN Y X Y ATTEN X ATTEN Y 0 B1234 B5678 6 60 A24B13 A68B 57 1 10 A1B234 A5B678 7 70 A124B3 A568B 7 2 20 A2134 A6B578 8 80 A34B12 A78B56 3 30 A12B34 A56B78 9 90 A134B2 A578B6 4 40 A4B123 A8567 10 100 A234B1 A678B5 5 50 A14B23 A58B 67 11 110 A1234 A5678 Oto 70 dB Attenuation 3 Section Attenuator ATTENUATOR X 1 2 3 4 ATTENUATOR Y 5 6 7 8 Pushbuttons Pushbuttons Attenuator Section 10 20 40 Not Attenuator Section 10 20 40 Not dB Used dB Used Attenuation in dB Attenuation in dB GPIB Program Codes X ATTEN X ATTEN Y X or Y ATTEN X ATTEN Y 0 B123 B567 40 A3B12 A7B56 10 10 A1B23 A5B67 50 A13B2 A67B5 20 20 A2134 A56B7 60 A23B1 A67B5 30 30 A12B3 A56B7 70 A123 A567 Oto 70 dB Attenuation 4 Section Attenuator ATTENUATOR X 1 2 3 4 ATTENUATOR X 5 6 7 8 Pushbuttons Pushbuttons Attenuator Section 10 20 20 20 Attenuator Section 10 20 20 20 dB dB Attenuation in dB Attenuation in dB GPIB Program Codes X or Y ATTEN X ATTEN Y X or Y ATTEN X ATTEN Y 0 B1234 B5678 40 A24B 13 A68B57 10 A1B234 A5B76 50 A124B3 A568B7 20 A4B123 A8B568 60 A234B1 A678B5 30 A14B23 A58B67 70 A1234 A5786 6 8 11713A Operating and Service Manual Overview
26. DAC The handshake logic processes the DAV signal and produces the handshake out FIS OUT signal passed to the bus logic and the local lockout logic The DAV signal and the handshake enable HS ENABLE signal combine to output the NRF D and NDAC signals on the bus The basic purpose of this logic is to signal the other driver circuits that the DIO lines contain a character for possible processing to interface the circuits to the GPIB three wire handshake system 8 18 11713A Operating and Service Manual Servicing the Attenuator Switch Driver Troubleshooting the A5 Handshake and Data Input Assembly The bus logic performs the following functions accepts inputs from the data input output DIO lines and the attention ATN signal from the interface bus These inputs in conjunction with the HS OUT signal enable the remote l ocal logic and the local lockout logic processes the attenuator switch state codes and select codes present on the DIO lines It then combines them with handshake out HS OUT and remote signals to output the NCLK signal from U11A on the A4 remote local assembly places the driver into remote operation or local operation on command from the interface bus in conjunction with the remote l ocal logic 11713A Operating and Service Manual 8 19 Servicing the Attenuator S witch Driver Troubleshooting the A6 Interface Assembly Troubleshooting the A6 Interface Assembly The A6 interface assembly contains the GPIB ad
27. G bd eee rociera 8 5 Parte CONTIGO ade isis y dr 8 7 Figure 8 2 11713A Attenuator Switch Driver Top Cover Removed ooo ocooco oo o 8 8 Figure 8 3 11713A Attenuator Switch Driver Bottom Cover Removed 8 9 11713A Simplified Block DISQraMWM o 2i002i000iior erre reso naw ti rinis wee des 8 11 Troubleshooting the A1 Interconnect AsseMbly ooocococccccco 8 13 Troubleshooting the A2 Driver Assembly 0 0 0 0 00 cece teens 8 14 Troubleshooting the A3 Latch Assembly 0 000 e eects 8 16 Troubleshooting the A4 Local Logic Assembly 1 0 2 0 00 cc cece eee eee 8 17 Troubleshooting the A5 Handshake and Data Input Assembly 0 4 8 18 Troubleshooting the A6 Interface Assembly 0 0 0 0 000 cee eee 8 20 Troubleshooting the A7 Switch Board Assembly 000 000 c eee eee eee 8 21 The A8 power supply line module assembly 1 0 ccc eee eee eens 8 23 Overview Agilent Technologies 11713A Attenuator S witch Driver In this chapter you will find e Function features and capabilities of the 11713A attenuator switch driver e Compatible Agilent Technologies switches and attenuators Features Options Agilent Technologies 11713A Attenuator Switch Driver Overview Overview The 11713A attenuator switch driver is an GPIB compatible instrument designed to provide control of up to two four section programmable step attenuators and two microwave coaxial switches Instrumen
28. Looking for more information bh Artisan Visit us on the web at http www artisan scientific com for more information QUALITY INSTRUMENTATION GUARANTEED Price Quotations Drivers Technical Specifications Manuals and Documentation Artisan Scientific is Your Source for Quality New and Certified Used Pre owned Equipment e Tens of Thousands of In Stock Items Fast Shipping and Delivery Equipment Demos Hundreds of Manufacturers Supported Leasing Monthly Rentals Consignment Service Center Repairs InstraView Remote Inspection Experienced Engineers and Technicians on staff in our Remotely inspect equipment before purchasing with our State of the art Full Service In House Service Center Facility Innovative InstraView website at http www instraview com We buy used equipment We also offer credit for Buy Backs and Trade Ins Sell your excess underutilized and idle used equipment Contact one of our Customer Service Representatives today Talk to a live person 888 88 SOURCE 888 887 6872 Contact us by email sales artisan scientific com Visit our website http www artisan scientific com Agilent Technologies 11713A Attenuator Switch Driver Operating and Service Manual ao Agilent Technologies Part Number 11713 90023 Printed in USA Print Date J uly 2001 Supersedes August 1999 Notice The information contained in this document is subject to change without notice Agilent Technologies makes no wa
29. TEN Y 3 S0 A Grey 0 OFF ATTEN Y 4 SO B White Red ATTENUATORS X Y 1 5 OFF 5 Violet ON 6 Yellow 2 6 OFF 7 Black ON 8 Green 3 7 OFF 9 Orange ON 10 Blue 4 8 OFF 11 Brown ON 12 White a The ON OFF status of the pushbutton lamps indicates which cable wire or pin on the rear panel connector is grounded For example if ATTENUATOR X pushbutton 3 is illu minated pin 10 of the ATTEN X connector blue wire of the cable is grounded and pin 9 floats at a high impedance For the SWITCHES if pin 3 is grounded lamp on pin 4 is connected to 24 V 2 8 11713A Operating and Service Manual Installing the Agilent Technologies 11713A Attenuator S witch Driver Driving Additional Coaxial Switches 1 Make switch connections to SO outputs S9 outputs or to rear panel ATTEN X output or ATTEN Y output Figure 2 4 shows the rear panel connections to SO outputs and the GPIB command necessary to change the position of Agilent 8762 or 8765 series coaxial switches For GPIB command usage refer to Data Message Input Format Connections to Agilent 8762 or 8765 series coaxial switches can also be made tothe ATTEN X output or ATTEN Y output refer to Figure 2 6 for connections pin numbers Control can be extended to four eight or 10 switches if SO and S9 outputs are also used Figure 2 4 Connections for Coaxial Switches m GPIB command BO connects port C and port 1 and turns the front panel LED for pushbutton O OFF COAXIAL SWITCH
30. TONS 3 e ATTENUATOR XORY 2m0 ra Ms GPIB CONNECTOR REMOTE COMMANDS NOTE It is also recommended that two 28 7 V zener diodes be connected back to back across the relay coils to reduce voltage transients Verifying Performance 9 Use the procedure for checking the electrical performance of the attenuator switch driver given in Chapter 4 If there is mechanical damage or a defect or if the instrument does not pass the electrical performance test notify the nearest Agilent Technologies office WARNING To avoid hazardous electrical shock do not perform electrical tests when there are signs of shipping damage to any portions of the outer enclosure covers panels connectors 2 12 11713A Operating and Service Manual 3 Specifications Overview In this chapter you will find e Specifications which describe warranted performance standards e Supplemental characteristics which are non warranted parameters Specifications Specifications Specifications describe warranted performance over the temperature range O to 55 C after one hour of continuous operation unless otherwise noted Table 3 1 Specifications Drive Power Supply Voltage 24 2 0 Vdc Current 1 3 A maximum peak for 1 second 0 65 A maximum continuous current Contact pairs 1 through 8 9 and 0 maximum current of 0 65 A continuous through one or all contacts Supplemental Characteristics Supplemental characteristics
31. a subdirectory name or file path Edit thefile usr local bin sample txt Used to show messages prompts and window labels that appear on a computer monitor The Edit Parameters window will appear on the screen Used for menus lists dialog boxes and button boxes on a computer monitor from which you make selections using the mouse or keyboard Double click EXIT to quit the program x 11713A Operating and Service Manual Contents 1 Agilent Technologies 11713A Attenuator Switch Driver UN daa A es 1 2 Compatible Attenuators and Switches 0 cc ccc eee nent n ee nees 1 3 2 Installing the Agilent Technologies 11713A Attenuator Switch Driver ia Ne sy ace des hs fs Bc nt SPR wb Yn ee yn san ee a Mh a eH etn ies de ac 2 2 Enviranmental Limitations cai rar RAR RARE RU RRR ene ies 2 2 PEPA RIN Use von iene dente tee duel eee el ee Re AA 2 2 VST VNR MANS ake hee te ins hecesi arnierriGucmredcsohene ieee tem a 2 3 Figure 2 1 Line Voltage Selection 2 4 cce ee eee ee eee eS eee hee eee ee ee 2 4 OPRIMA ciar ao ii loca sok deeds aha giles 2 5 Figure 2 2 GPIB Address Selection 24 4 e gods Cen eho eGR eee eee eS 2 5 Table 2 1 ASCII Address Codes to Decimal Equivalents 000 cesses 2 5 PENIS COGS a dk Res seo Bee a a a 2 6 Figure 2 3 General Purpose Interface Bus Connection 0000 c eee eee 2 6 Connecting toAttenuators and Switches 2 c ccessc reser rete tabia neien beads 2 7 Table 2 2 Attenuator Cab
32. ademark of the Australian Spectrum Management Community The CSA mark is a registered trademark of the Canadian Standards Association ISM1 A This text indicates that the instrument is an Industrial Scientific and Medical Group 1 Class A product CISPER 11 Clause 4 This symbol indicates that the power Tine switch is ON This symbol indicates that the power line switch is in STANDBY position vi 11713A Operating and Service Manual Safety Earth Ground Before Applying Power This symbol indicates that the power line switch is OFF O This is a Safety Class product provided with a protective earthing terminal An uninterruptible safety earth ground must be provi ded from the main power source tothe product input wiring terminals power cord or supplied power cord set Whenever it is likely that the protection has been impaired the product must be made inoperative and secured against any unintended operation Verify that the product is configured to match the available main power source as described in the input power configuration instructions in this manual If this product is to be powered by autotransformer make sure the common terminal is connected to the neutral grounded side of the ac power supply Compliance With German Noise Requirements This is to declare that this instrument is in conformance with the German Regulation on Noise Declaration for Machines Laermangabe nach der Maschine
33. ansistors each have a metal tab that is attached to a common heat sink Therelays K1 and K2 provide reversible polarity for ground and 24 Vdc necessary to drive switches The relay contacts are also protected against spikes from inductive loads 11713A Operating and Service Manual 8 15 Servicing the Attenuator S witch Driver Troubleshooting the A3 Latch Assembly Troubleshooting the A3 Latch Assembly The A3 latch assembly contains 10 K flip flops and a power up circuit To Troubleshoot the A3 Latch Assembly 1 If any of the following conditions cannot be met replace the A3 latch assembly a Turn the power off and then turn it on again All attenuator lights and the local light should be on b Press each attenuator switch Only the corresponding light should turn off No other light should flicker or change status c Send a remote command to turn the attenuators off and then on All attenuators should come on d Send a remote command to individually control each light OFF ON Only the corresponding light should turn off No other fight should flicker or change status 2 If these tests are inconclusive test the Al interconnect A7 switch AS GPIB and A4 remote local logic board assemblies in this sequence before replacing the A3 latch assembly Assembly Overview When the driver is in the local mode the and K inputs to all ten flip flops are in the logic high state The flip flops then operate as toggle flip f
34. ata Message The driver responds to data messages when in remote and addressed to listen Data Message Input Format The programming data string for the driver consists of a string of ASCII coded characters composed of one or both of the following fields Adm Ban where A or a general ON command B or b general OFF command dm any digits O through 9 excluding dn dn any digits O through 9 excluding dm The driver responds to an alphanumeric data string such as A12B 34 when the driver is in the remote state and addressed to listen The alpha characters in the data string can be either upper or lower case 11713A Operating and Service Manual 6 3 Remote Operation The data string is further defined as follows Ax Bx Ay By A B 9 A B O where Ax Bx data string for ATTEN X x can be none one or more of the digits 1 2 3 or 4 Ay By data string for ATTEN Y x can be none one or more of the digits 5 6 7 or 8 Mote that if Ax Ay uses a digit then that digit may not be used in Bx y A B 9 GPIB command for switch S9 A B 0 GPIB command for switch SO The data string contains the operation selected by the user desired contact closure value of attenuation etc The coded command from the controller is converted by the driver into control voltages The output control voltages drive the device and illuminate front panel lights that indicate the operation selected LI Table 6 2 shows the relationship between ea
35. ators and Switches Q Use the two plug in drive cables supplied with the driver to connect to Attenuators and the multi pin plugs on the rear panel These attenuator cables have 12 pin connectors that may not be usable on some equipment In these instances the cable may be modified by removing a connector A 9 wire cable with only one connector is also available Refer to Table 1 3 Table 2 2 describes the cable wire colors connector pin numbers and corresponding status of the front panel pushbutton indicators To drive a simple non latching relay only one wire in a pair needs to be used for the ground Refer to Figure 2 7 for a typical relay driving schematic Do not drive the 87222C D E using the S9 or SO outputs from either the banana plug outputs or from pins 3 or 4 within the Atten X and Atten Y Viking sockets both located on the rear panel of the 11713A 11713A Operating and Service Manual 2 7 Installing the Agilent Technologies 11713A Attenuator S witch Driver Table 2 2 Attenuator Cable Connector Pin Numbers and Wire Color Codes Front Panel Pushbuttons ATTENUATOR X Y and SWITCHES Rear Panel connectors ATTEN X or Y and Attenuator Cable Pushbutton Pushbutton LEDs Pin Numbers Attenuator Cable Wire Number Color Code 1 Red 24 Vdc 2 White Brown Gnd SWITCHE Connect to S9 and S SO outputs 9 ON ATTEN X 3 S9 A Gray 9 OFF ATTEN X 4 S9 BO White Red 0 ON AT
36. be damaged or destroyed by electrostatic discharge It should be serviced at a static safe workstation Refer to Preparing a Static Safe Work Station in Chapter 8 To Remove the A3 Latch Assembly 1 Remove the top cover 2 With a strong upward motion lift the orange ring at the top edge of the A3 latch assembly To Replace the A3 Latch Assembly 1 Gently insert the board into the socket marked A3 latch assembly with a vertical motion Apply balanced pressure with your thumbs to push the board into the socket 2 Replace the top cover 7 10 11713 Operating and Service Manual CAUTION Replacing Major Assemblies A4 Remote Local Logic Assembly Removal Replacement A4 Remote Local Logic Assembly Removal Replacement This module contains components that can be damaged or destroyed by electrostatic discharge It should be serviced at a static safe workstation Refer to Preparing a Static Safe Work Station in Chapter 8 To Remove the A4 Remote Local Logic Assembly 1 Remove the top cover 2 With a strong upward motion lift the yellow ring at the top edge of the A4 remote local logic assembl y To Replace the A4 Remote Local Logic Assembly 1 Gently insert the board with a vertical motion into the socket marked A4 remote local logic assembly Apply balanced pressure with your thumbs to push the board into the socket 2 Replace the top cover 11713 Operating and Service Manual 7 11 Replacing Major Assemblie
37. cable from the Al interface power supply assembly to the front panel Unscrew the five screws that hold the front panel board onto the front panel frame To Replace the Front Panel 1 Install the front panel board onto the front panel frame using five screws Connect the ribbon cable from the A1 interface power supply assembly to the front panel Usethe four corner screws to secure the front panel board to the frame Replace the covers 7 6 11713 Operating and Service Manual CAUTION Replacing Major Assemblies Rear Panel Removal Replacement Rear Panel Removal R eplacement This module contains components that can be damaged or destroyed by electrostatic discharge It should be serviced at a static safe workstation Refer to Preparing a Static Safe Work Station in Chapter 8 To Remove the Rear Panel 1 Remove the top and bottom covers Refer to Module Cover Removal Replacement 2 Remove the two screws at the GPIB connector 3 Remove the four comer screws that secure the rear panel to the 5 module Disconnect the ribbon cable from the Al interconnect power supply assembly to the rear panel Separate the rear panel from the module To Replace the Rear Panel 1 2 Position the rear panel onto the rear panel frame Connect the ribbon cable from the A1 interconnect power supply assembly to the rear panel 3 Secure the rear panel to the module with the four comer
38. ch programming code and the effect it has on the output at each connector pin LI Table 6 3 shows the programming strings required to set up various three and four section attenuators to the desired levels of attenuation Program Execution Time The response time for the driver is defined as the time between data valid DAV changing from a high to a low and the output signal at the rear panel connector changing state The switching speed of the Agilent Technologies programmable attenuators is 20 ms including 10 ms for the driver ATTEN outputs The switching speed for the RF switches is 20 to 50 ms plus 20 ms for the driver S9 and SO outputs Sending the Data Message The driver does not have the capability of sending a data message Receiving the Trigger Message The driver does not respond tothe Trigger message Receiving the Clear Message The remote message causes the driver to switch to the remote mode The remote message has two parts the remote enable REN and address to listen The driver s outputs do not change with the local to remote transition The REMOTE LED turns on when the driver is in remote mode 6 4 11713A Operating and Service Manual NOTE Remote Operation Receiving the Local Message The driver does not respond to the local message When the driver is in Local Message remote mode it can be returned to local mode with a Clear Lockout Set Local message Thefront panel LOCAL key can also retur
39. des interconnection data for the General Purpose Interface Bus Figure 2 3 General Purpose Interface Bus Connection SIGNAL GROUND P O TWISTED PAIR WITH 11 P O TWISTED PAIR WITH 10 SHOULD BE GROUNDED P O TWISTED PAIR WITH 9 NEAR TERMINATION PIO TWISTE OF OTHER WIRE OF PIO TWISTED PAIR WITH 8 SHIELD CONNECT 10 STH ATN GROUND SRO IFC NDAC TWISTED PAIR P O TWISTED PAIR WITH 7 NRFD PJO TWISTED PAIR WITH 6 DAY REN EO DIO 8 DIO4 DIO7 D103 DIO 2 p10 1 i DIO DIOS EHRE HOGOCORAGEEHE 150 METRIC THREAD M3 5x 0 6 24 PIN MICRO RIBBON SERIES 57 CONNECTOR The interface bus logic levels are TTL compatible that is the true 1 state is 0 0 to 0 4 Vdc and the false 0 state is 2 5 to 45 0 Vdc Refer to Chapter 6 Remote Operation Agilent 1251 0293 Agilent 10833A 1 meter 3 3 ft Agilent 10833B 2 meters 6 6 ft Agilent 10833C 4 meters 13 2 ft Agilent 10833D 0 5 meter 1 6 ft The maximum accumulative length of connecting cable for an interface bus system is 20 meters 65 5 ft A general purpose interface bus system may contain no more than 2 meter 6 6 ft of connecting cable per instrument 1 The Agilent 10834A adapter is required with these cables to provide additional clearance for the cable connections 2 6 11713A Operating and Service Manual CAUTION Installing the Agilent Technologies 11713A Attenuator S witch Driver Connecting to Attenu
40. dress switch the connectors for the X and Y attenuators and the wiring for switch outputs 9 and 0 To Troubleshoot the A6 Interface Assembly 1 Totest the circuitry of the A6 interface assembly check the driver both in manual and remote operation a Manually press the attenuator buttons several times The light should come on off each time that a button is activated b If the manual verification is satisfactory check the computer controlled remote operation by sending these commands Command Desired Outcome OUTPUT 728 A12345678 All attenuator lights go on except the local light OUTPUT 728 B12345678 All attenuator lights go off except the remote light 2 If the response is satisfactory the A6 interface assembly should be oper ational 3 If the response is unsatisfactory refer to the troubleshooting procedures for the A2 driver assembly 8 20 11713A Operating and Service Manual Servicing the Attenuator Switch Driver Troubleshooting the A7 Switch Board Assembly Troubleshooting the A7 Switch Board Assembly The A7 switch board assembly front panel consists of 10 non retriggerable monostable multivibrators To Troubleshoot the A7 Switch Board Assembly 1 Check both manual and remote operation a To check the driver in manual operation turn the driver off and then on All attenuator lights and the local light should be on b To check the driver in remote operation use an app
41. e LEDs are ON If not the driver failed to process the data message 4 6 11713A Operating and Service Manual Verification GPIB Interface Check for Remote Operation Local Lockout and Clear Lockout Set Local Messages This check requires the bus to be in the remote state Check that the driver s REMOTE light is ON Description Command Local Lockout Send Local Lockout message LOCAL LOCKOUT 7 Operator s Response Press the LOCAL key on the driver front panel The REMOTE LED should remain ON If not the driver failed to process the Local Lockout message Description Command Clear Lockout Set Local LOCAL 7 Send Clear Lockout Set Local message to clear Local Lockout messages and set all devices to Local Operator s Response Check that the LOCAL light is ON and REMOTE light is OFF Press numbered pushbutton switches and check that switches change status LEDs on and off If not the driver failed to process the Clear Lockout Set Local message 11713A Operating and Service Manual 4 7 5 Local Operation Overview In this chapter you will find e Function and description of front panel controls connectors and indicators e Function and description of rear panel controls connectors and indicators Local Operation Local Control Local Control Local control of the Agilent 11713A switch driver is accomplished manually from front panel pushbuttons Figure 5 1 and Figure 5 2 detail front and r
42. ear panel controls connectors and indicators 5 2 11713A Operating and Service Manual Local Operation Local Control Figure 5 1 Front Panel Features ATTENUATOR X LINE 1 ATTENUATOR X In the local mode pushbutton switches 1 2 3 and 4 activate solid state switches current sinks to change the attenuation setting of an attenuator connected to the ATTEN X connector on the rear panel 2 ATTENUATOR Y In the local mode pushbutton switches 5 6 7 and 8 activate solid state switches current sinks to change the attenuation setting of an attenuator connected to the ATTEN Y connector on the rear panel 3 S9 A B In the local mode Pushbutton switches 9 and O change the position of a coaxial switch connected to rear panel banana jacks S9 A B and SOA B respective y 1713A ATTENUATOR SWITCH DRIVER POOR POE ATTENUATOR Y SWITCHES ooo REMOTE LOCAL 4 LOCAL Pushbutton switch that resets to the local mode when not in local lockout LED turns on in LOCAL mode 5 REMOTE LED When on the remote LED indicates that the driver is in remote control 6 LINE ON LED When on this LED indicates that power is applied to the attenuator switch drives 7 LINE OFF ON The line off on button controls primary power 11713A Operating and Service Manual 5 3 Local Operation Local Control Figure 5 2 Rear Panel Features 1 GO 9060 010680 1 ATTEN X Connector to accept
43. echnologies nearest you Environmental Limitations 4 Ensurethat you meet the environmental limitations for storage and shipment Temperature 55 to 75 C Humidity lt 90 relative Altitude lt 15 300 meters 50 000 feet Preparing for use Bench Operation 5 For bench operation supplied equipment includes o plastic feet shaped to assure self alignment of the instruments when stacked o fold away tilt stands to raise the front of the instrument for easier viewing of the control panel If the driver is to be used in a position that requires setting it on the rear panel a kit is available refer to Table 1 3 that includes feet with mounting screws Rack Mounting 6 For rack mounting the instrument use the rack adapter kit half module Refer to Table 1 3 To install the kit o Remove the feet and tilt stands o Remove the side trim strips o Attach the rack mount flange and flange adapter 2 2 11713A Operating and Service Manual Installing the Agilent Technologies 11713A Attenuator S witch Driver Verifying Requirements 7 Verify that you meet the following requirements 1 Power source o 100 to 120 volts 5 10 from 48 to 440 Hz o 220 to 240 volts 45 10 from 48 to 66 Hz single phase 1 Power consumption o 80 VA max CAUTION Before the instrument is switched on it must be set to the voltage of the power source or damage to the instrument may result Refer to Figure 2 1 WARNING If this i
44. eg 5 3 Figure 5 2 Rear Panel Features ira edna Ret ee oe eRe 5 4 Contents 6 Remote Operation PIB Companion sorda e ian cede as 6 2 Remtie Mode c cigacequeed ance seed eee A AA o ENERO Eee ee EEO 6 2 Loca A otaadhal 5ebidaddl cee dele ae pee geo beta 6 2 AQUTessiMO ook ck deen perro RIADA AI Eee Fawkes 6 3 Dale A HN ea RIAA 6 3 Receiving the Data Message 0 06 4 i Gee dee 0010021000 bee ee Re ke ENNE Ewa ee ee RS 6 3 Bending he Data Message ios kde a a habeas ad Cee eed 6 4 Receiving the Trigger Message 0 cece cette eee 6 4 Receiving the Clear Message 00 cece eet teens 6 4 Receiving the Local Lockout Message 0 0 c cece eee eee 6 5 Receiving the Clear Lockout Set Local Message 00 cece eee tees 6 5 Receiving the Pass Control Message cscccac skied eee a eke eee 6 5 Sending the Require Service Message 0 c cece eee 6 5 Sending the Status Byte Message 1 0 0 tees 6 5 Sending the Status Bit Message socorrer a eed eee 6 5 Table 6 1 GPIB Message Reference Table 000 cece eee eee tees 6 6 Table 6 2 GPIB Control Statement Results oooocococococoocr ees 6 7 Table 6 3 Attenuation Levels and Corresponding Data Strings 4 6 8 7 Replacing Major Assemblies Rello cd A Re eee Ree eke di Re 7 2 Table 2 1 Brressores SUPPE ssp e a eRe eR eRe 7 2 Table 7 2 Line Fuse Part Numbers 2440 05 62 cebanSdendotared detect dene dn eee 7 2 Table 7 3 Major Assemb
45. es and cables of the 11713A attenuator switch driver are listed below For ordering information refer to Service and Support on page vin the front matter of this manual Table 7 3 Major Assemblies Assembly Reference Designator Agilent Part Number Al interconnect and power supply assembly 11713 60012 A2 driver assembly 11713 60016 A3 latch assembly 11713 60003 A4 remote local logic assembly 11713 60004 A5 GPIB handshake data input assembly 11713 60014 A6 interface assembly 11713 60010 A7 switch board assembly 11713 60007 A8 power module line filter assembly 0960 0443 Table 7 4 Major Cables Cable Reference Designator Agilent Part Number W1 12 conductor 8120 2703 W2 12 conductor 8120 2703 W3 34 conductor 8120 2811 W4 34 conductor 8120 2811 W5 18 awg 3 conductor 8120 1378 W6 line ON OFF includes S1 11713 60013 11713 Operating and Service Manual 7 3 Replacing Major Assemblies Replaceable Parts Table 7 5 Cabinet Parts Reference Agilent Part Qty Description Designation Number MP1 11713 00024 1 Front panel MP2 5021 8413 1 Front panel MP3 11713 00005 1 Sub panel MP4 5021 8413 1 Rear frame MP5 11713 00012 1 Rear panel MP6 5021 5829 2 Side strut MP7 5021 9253 1 Top cover perforated MP8 5062 3871 1 Bottom cover perforated MP9 5040 8801 2 Foot standard MP10 5040 8803 2 Foot non skid MP12 5001 0538 2 Side trim MP13
46. esponding nuts and washers to install the power transformer onto the board Connect the power transformer connector onto its matching connector Connect both ribbon cables from the A1 interconnect power supply assembly to the front and rear panels Assemble the front and rear panel to the frame using four screws for each panel Install all four boards A2 driver A3 latch A4 remote local logic and A5 GPIB assemblies into their sockets Replace the module covers 7 8 11713 Operating and Service Manual CAUTION Replacing Major Assemblies A2 Driver Assembly Removal Replacement A2 Driver Assembly Removal Replacement This module contains components that can be damaged or destroyed by electrostatic discharge It should be serviced at a static safe workstation Refer to Preparing a Static Safe Work Station in Chapter 8 To Remove the A2 Driver Assembly 1 Remove the top cover 2 With a strong upward motion lift the red ring at the top edge of the A2 driver and remove the assembl y To Replace the A2 Driver Assembly 1 Gently insert the board into the socket marked A2 with a vertical motion Use balanced pressure from your thumbs to push the board into the socket 2 Replace the top cover 11713 Operating and Service Manual 7 9 Replacing Major Assemblies A3 Latch Assembly Removal Replacement A3 Latch Assembly Removal R eplacement CAUTION This module contains components that can
47. f attenuation 11713A Operating and Service Manual 6 1 Remote Operation The driver can be operated remotely through the General Purpose Interface Bus GPIB GPIB Compatibility Remote only functions and all front panel functions except the LINE switch are programmable through the GPIB The operator s interface check in Chapter 4 Verification provides a test of the GPIB to verify that the driver can function with each of the applicable bus messages Table 6 1 summarizes the driver s GPIB capabilities in terms of the twelve bus messages Remote Mode The driver accepts commands from the bus in the remote mode In remote its front panel controls are disabled except for the LINE switch and the LOCAL pushbutton The LOCAL pushbutton can be disabled by a local lockout command The driver can be addressed to listen and when addressed to listen the driver will respond to the following messages Data Remote Local Lockout and Clear Lockout Set Local Local to R emote Changes The driver switches to remote operation upon receipt of the Remote message The Remote message has two parts e Remote enable bus control line REN set true e Device listen address MLA received once while REN is true The driver s outputs and all control settings remain unchanged with the Local to Remote transition The REMOTE LED is ON when the driver is in the remote state Local Mode In local the driver s front panel controls are fully ope
48. fy that the pulse reaches the clock input of A3 latch assembly driver assembly storage register flip flops Verify that the Q and NQ outputs change state as the corresponding pushbutton is exercised d Measure input and output levels of inverting drivers on the A2 driver assembly e If all logic levels up to the Darlington transistors operate check for shorted or open Darlington transistors For proper operation the voltage across the series base resistor to the Darlington transistors should be greater than or equal to 0 5 Vdc when the transistor is on 8 To check the driver in remote operation with no external loads connected use an appropriate controller program to execute the following commands Command Desired Outcome REMOTE 728 The REMOTE light turns ON OUTPUT 728 A12345678 All attenuator lights go ON except the local light OUTPUT 728 B12345678 All attenuator lights go OFF except the remote light NOTE The default address 728 is set at the factory If you are using a different address number replace 728 in the commands above with the appropriate address of your instrument Refer to GPIB Addressing 8 6 11713A Operating and Service Manual Parts Identification Servicing the Attenuator Switch Driver Troubleshooting Figure 8 2 and Figure 8 3 identify the location of the following assemblies and parts referred to in troubleshooting procedures Assembly Reference Desi
49. gnator Agilent Part Number Al interconnect and power supply assembly 11713 60012 A1C1 capacitor 1300 uF 50 V 0180 2181 A1C1 capacitor 7200 uF 15 V 0180 2221 A1U1 voltage regulator 1826 0181 A1U2 voltage regulator 1826 0559 A2 driver assembly 11713 60016 A3 latch assembly 11713 60003 A4 remote local logic assembly 11713 60004 A5 GPIB handshake data input assembly 11713 60014 A6 interface assembly 11713 60010 A7 switch board assembly 11713 60007 A8 power module line filter assembly 0960 0443 A8C1 capacitor lu F 250 Vac RMS 0160 4065 F1 fuse 1 25 A 250 V 2110 0094 MP39 heatsink 11713 00022 T1 transformer 9100 4080 W4 34 conductor 8120 2811 W6line ON OFF includes S1 11713 60013 11713A Operating and Service Manual 8 7 Servicing the Attenuator S witch Driver Troubleshooting Figure 8 2 11713A Attenuator Switch Driver Top Cover Removed TP2 VCC A6 hidden A8 24VDC w4 P O Rear Panel A8C1 T1 Al A2 A1U1 A3 A1U2 i A4 MP39 A5 A1C1 C2 TP1 5VDC 8 8 11713A Operating and Service Manual Servicing the Attenuator Switch Driver Troubleshooting Figure 8 3 11713A Attenuator Switch Driver Bottom Cover Removed TP2 GPIB Connector VCC Fuse part of A1 Board 24VDC Red Gray 1 25A 250V Power Transformer Cable with power switch attached Al Board TP1 5VDC 1
50. ing and Service Manual 8 17 Servicing the Attenuator S witch Driver Troubleshooting the A5 Handshake and Data Input Assembly Troubleshooting the A5 Handshake and Data Input Assembly The A5 handshake and data input assembly provides the interface between the bus and the driver To Troubleshoot the A5 Handshake and Data Input Assembly 1 Make sure that the A4 remote local logic A3 latch and A2 driver assemblies are functioning properly and that the A6 interface connections are correct before troubleshooting the A5 handshake and data input assembl y 2 If any of the following conditions cannot be met replace the A4 local logic assembly a Turn the driver off and then on The local light must be on The local light must be on b To check the driver in remote operation use an appropriate controller to execute the following commands Command Desired Outcome REMOTE 7282 The remote light is on and the local light off LOCKOUT 7 Press the local button Nothing happens The local operation is locked out LOCAL 7 All attenuator lights go on OUTPUT 728 A12345678 All attenuator lights go on OUTPUT 728 B12345678 All attenuator lights go off a Factory preset GPIB address Assembly Overview The three wire handshake lines to the handshake logic circuits synchronize the operation of the driver remote operation The lines are ready for data NRF D data valid DV and data accepted N
51. ing charges to return the product to Buyer However Buyer shall pay all shipping charges duties and taxes for products returned to Agilent Techhnologies from another country Agilent Techhnologies warrants that its software and firmware designated by Agilent Techhnologies for use with an instrument will execute its programming instructions when properly installed on that instrument Agilent Techhnologies does not warrant that the operation of the instrument or software or firmware will be uninterrupted or error free LIMITATION OF WARRANTY The foregoing warranty shall not apply to defects resulting from improper or inadequate maintenance by Buyer Buyer supplied software or interfacing unauthorized modification or misuse operation outside of the environmental specifications for the product or improper site preparation or maintenance NO OTHER WARRANTY IS EXPRESSED OR IMPLIED AGILENT TECHNOLOGIES SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTIES OR MERCHANTABILITY AND FITNESS FORA 11713A Operating and Service Manual iii Assistance PARTICULAR PURPOSE EXCLUSIVE REMEDIES THE REMEDIES PROVIDED HEREIN ARE BUYER S SOLE AND EXCLUSIVE REMEDIES AGILENT TECHNOLOGIES SHALL NOT BE LIABLE FOR ANY DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES WHETHER BASED ON CONTRACT TORT OR ANY OTHER LEGAL THEORY Product maintenance agreements and other customer assistance agreements are available for Agilent Technologies products
52. ing the A4 local logic assembly 2 Ifany of the following conditions cannot be met replace the A4 local logic assembly a Turn the driver off and then on The local light should be on The local light should be on b To check the driver in remote operation use an appropriate controller to execute the following commands Command Desired Outcome REMOTE 7289 The remote light is on and the local light off LOCKOUT 7 Press the local button Nothing happens The local operation is locked out LOCAL 7 The local button regains control OUTPUT 728 A12345678 All attenuator lights should be on OUTPUT 728 B12345678 All attenuator lights should go off a Factory preset GPIB address Assembly Overview The remote local flip flop is programmed through the GPIB circuitry on the A5 handshake and data input assembly If the local lockout flip flop is set to a high the remote local flip flop cannot be set to local via the A7 front panel LOCAL pushbutton In all other cases the A7 local pushbutton will set the instrument to local In local operation the 10 two line to one line multiplexers are set to propagate and nvert the outputs of the monostable multivibrators from the A7 front panel assembly The outputs become the clocks for the A3 latch assembly flip flops Bus commands determinethe state ofthe A or B flip flop which controls the output state of the instrument 11713A Operat
53. itches 2 required 24 Vdc drive source P T Controller GPIB GPIB compatible P T a P Performance T Troubleshooting 4 2 11713A Operating and Service Manual Verification Operator s Check for Local Operation Operator s Check for Local Operation This check tests initial driver turn on and local operation Check that the following initial conditions are met before you proceed U Verify that driver power transformer primary is matched to the line voltage by the Line Voltage Selection Card A Check the driver power fuse for correct rating Current fuse ratings for various line voltages are given on the line power module on rear panel 1 Connect the power cable to the power receptacle Procedure 1 Connect the equipment that is to be used in your application as shown below Figure 4 1 Local Operation Test Setup COAXIAL SWITCH 11713A DRIVER RF SWITCH podo 0000 00 De 0O RF SWITCH CONTROLLER 11713A Operating and Service Manual 4 3 Verification Operator s Check for Local Operation 2 Pressthe LINE ON OFF switch to ON Switch should remain in the ON position and the green switch indicator LED should illuminate All numbered pushbutton LEDs should be on and LOCAL LED should be on 3 Depress the 10 numbered pushbuttons on the driver front panel Each LED should alternate between off and on as each key is pressed In addition if any equipment is connected attenuators
54. le Connector Pin Numbers and Wire Color Codes 2 8 Driving Additional Coaxial Switches 00 60 2 9 Figure 2 4 Connections for Coaxial Switches 0 0 0 0 eet 2 9 Figure 2 5 Connections for Agilent 8761B SPDT Switches 0 0005 2 10 COMEN re FOUESS ECU Oct se oes Lk MRE ARTE PRR RE SRS Aad wes 2 11 Figure 2 6 Typical Connections for Programmable Four Section Attenuator 2 11 COMER to RS ri ecard as as GeO 2 12 Figure 2 7 Relay Dring CITE ci A da 2 12 VEA PEO MANOS pi a A A 2 12 3 Specifications SPECIES rn ia a a 3 2 Table 3 1 AA a dod oieela A AE EA A 3 2 Supplemental Characteristics ario phew ROHS BRE RO EHR PTR ew ERE ee 3 2 Table 3 2 Supplemental Characteristics s oommmassiorsonsr nae seen arrose buna ca 3 2 4 Verification Recommended Test Equipment lt ioox200 000000 EA EN 4 2 Table 4 1 Recommended Test EquipMeNt oocococcccococo eee tte 4 2 Operator s Check for Local Operation i c000cceeereees ir ittre Inika itri 4 3 Figure4 1 Local Operation Test Setup a c6s 0s csc dues es ckband ese a 4 3 GPIB Interface Check for Remote Operation oooococooccoconncn rana 4 5 Figure 4 2 GPIB Interface Check Test Setup coooooconcoronrnoraca 4 5 RETOS Mes rs ia RA A AA AR A A ARAS 4 6 o A e de Oh edd a ene dead arde aed eae as 4 6 5 Local Operation Eee COU i vacurneciteegkner i Ar Roane IN 5 2 Figure 5 1 Front Panel Features csc cc sateen Phen ede be Dee eee
55. lies 1 0 0 ccc ee eee een eissi kiia Aaa 7 3 Table 74 Malar Cables ss AA 7 3 Table ape Par ori a 7 4 Module Cover Removal Replacement ooocoococoocccc tte 7 5 Front Panel Removal Replacement 0 0 064 eae eee ee ee 7 6 Rear Panel Removal Replacement 000 c eee teeta 7 7 A1 Interconnect and Power Supply Assembly Removal Replacement 7 8 A2 Driver Assembly Removal Replacement 000 c eee eee 7 9 A3 Latch Assembly Removal Replacement 02 0006 ccc eee 7 10 A4 Remote Local Logic Assembly Removal Replacement 0 00 cece eee 7 11 A5 GPIB Handshake Data Input Assembly Removal Replacement 7 12 A6 Interface Assembly Removal Replacement 0 00 cece eee 7 13 A7 Switch Board Assembly Removal Replacement 0000 c cece eee eee 7 14 A8 Power Supply Line Filter Assembly Removal Replacement oo o ooooooo 7 15 8 Servicing the Attenuator Switch Driver Preparing a StaticSafe Workstation osscar coreene reked tta rara cow ea gus 8 2 Figure 8 1 Static Safe Work Station c2cc cents tveea ewe bib en AAA 8 2 Reduana ESD Damage nadia og ea woud a ad a otha 8 2 Table 8 1 Static Safe ESD Accessories 0 eet tenes 8 3 Maintenance and AQUSITEOS occitano iaa 8 4 Fuse Remoyal Replacament 2205 4 ceeecesestvees 1 REA E 8 4 O 8 4 Troubleshooting esvirscionsnirari arar 8 5 Contents solating a MalMUNCHON ccc sees ceed bee e
56. lops and respond to the front panel pushbuttons The pushbuttons function as clock pulses for the flip flops In the remote state the A4 assembly A or B flip flop controls the K inputs In the A state the inputs are in the logic low state and the K inputs are logic high The decoder on the A4 assembly generates the clock pulses for each flip flop In the A state flip flops 1 through 10 are set so the Q 1 and NQ 0 IntheB state inputs 1 and K inputs 0 Clock impulses from the decoder set flip flops 1 through 10 on the negative edge as commanded by the bus The power up circuit sets the state of all flip flops so that the instrument powers up in the local state and with all switches set to the A LEDs on condition Any attenuators connected tothe driver are set to maximum attenuation on power up 8 16 11713A Operating and Service Manual Servicing the Attenuator Switch Driver Troubleshooting the A4 Local Logic Assembly Troubleshooting the A4 Local Logic Assembly The A4 local logic assembly contains a remote local flip flop an A or B flip flop a four line to ten line decoder a local lockout flip flop listen flip flop 10 two lineto one line multiplexers and the required circuitry to generate a clock signal to control the operation of the four to ten line decoder To Troubleshoot the A4 Local Logic Assembly 1 Make surethat the A3 latch A5 GPIB and A7 switch board assemblies are functioning properly before troubleshoot
57. module Replace the module covers 11713 Operating and Service Manual 7 15 8 Servicing the Attenuator Switch Driver Overview In this chapter you will find How to prepare a static safe work station How to replace the rear panel fuse Troubleshooting hints for diagnosing common problems Assembly level troubleshooting Servicing the Attenuator S witch Driver Preparing a Static Safe Workstation Preparing a Static Safe Workstation Electrostatic discharge ESD can damage or destroy electronic components All work performed on assemblies consisting of electronic components should be done at a static safe workstation An example of a static safe work station is shown below using twotypes of ESD protection o conductive table mat and wrist strap combination and o conductive floor mat and heel strap combination These methods may be used together or separately A list of static safe accessories and their part numbers is given on the following page Figure 8 1 Static Safe Work Station Building Ground 1 Meg Ohm Resistor Building Ground Meg Ohm Resistor Floor Mat Reducing ESD Damage To help reduce the amount of ESD damage that occurs during installation testing or servicing instruments use the following guidelines e Besurethat all instruments are properly earth grounded to prevent buildup of static charge e Personnel should be grounded with a resistor isolated wrist strap before t
58. n the driver to local mode However pressingthe LOCAL key might interrupt a data message to the driver This would leave the driver in a state unknown to the controller This situation would be undesirable and is avoided by setting the Local Lockout condition which disables the LOCAL key Receiving the Local Lockout Message TheLOCAL pushbutton switch is disabled with Local Lockout in effect The driver is returned to local through program control by the controller The driver may also be returned to local by turning the driver LINE switch off and then on but this defeats the purpose of the Local Lockout and the system controller loses control Receiving the Clear Lockout Set Local Message The system controller sends a Clear Lockout Set Local message to clear the Local Lockout condition and return all devices to local No instrument settings are changed when going from local lockout remote control to local control Receiving the Pass Control Message The driver does not respond tothe Pass Control message because t cannot act as a controller Sending the Require Service Message The driver cannot send a Require Service message Sending the Status Byte Message The driver does not respond to a serial poll and as a result does not send the Status Bit message Sending the Status Bit Message Table 6 1 summarizes the driver s GPIB capabilities in terms of the twelve bus messages 11713A Operating and Service Manual 6 5 Remote
59. nlaermrerordnung 3 GSGV Deutschland Acoustic Noise Emmision Gerauschemission LpA lt 70 dB LpA lt 70 dB Operator position am Arbeitsplatz Normal position normaler Betrieb per ISO 7779 nach DIN 45635 t 19 11713A Operating and Service Manual vii WARNING WARNING General Safety Considerations e This product has been designed and tested in accordance with IEC Publication 1010 Safety Requirements for Electronic Measuring Apparatus and has been supplied In a safe condition The Instruction documentation contains information and warnings which must be followed by the user to ensure safe operation and to maintain the product In a safe condition e TheON OFF switch or the detachable power cord is the instrument disconnecting device It disconnects the main circuits from the main supply before other parts of the instrument Alternately an externally installed switch of circuit breaker which is readily identifiable and is easily reached by the operator may be used as a disconnecting device e This product is designed for use in Installation Category and Pollution Degree 2 per IEC 1010 and 664 respectively Install the instrument according to the enclosure protection provided This instrument protects against finger access to hazardous parts within the enclosure The Instrument does not protect against the ingress of water If this product is not used as specified the protection provided by the e
60. nstrument is to be energized via an autotransformer for voltage reduction make sure the common terminal is connected to the earthed pole power source Li Power Cable In accordance with international safety standards a three wire power cable is provided with this instrument When it is connected to an appropriate ac power receptacle the cable grounds the instrument cabinet The type of power cable plug shipped with each instrument depends on the country of origin 11713A Operating and Service Manual 2 3 Installing the Agilent Technologies 11713A Attenuator S witch Driver Figure 2 1 Line Voltage Selection WARNING To avoid the possibility of hazardous electrical shock do not operate this Instrument at line voltages greater than 126 5 Vac with line frequencies greater than 66 Hz leakage currents at these line settings may exceed 3 5 mA T Line Voltage and F use Selection a Open the cover door of the line power module Push the fuse pull lever to the left and remove the fuse Refer to Figure 2 1 b Pull out the voltage selector PC board Position the board so that the voltage nearest the actual fine voltage level is on the top left side of the board c Push the board firmly into the module slot d Push the fuse pull back into normal right hand position e Check that the fuse is the correct rating and type for the input ac line voltage F use ratings for line voltages are indicated below the power module
61. ote operation check 4 5 remote to local 6 2 replacing major assemblies 7 1 returning your instrument 2 2 S sending messages data 6 4 require service 6 5 status bit 6 5 status byte 6 5 servicing your instrument 2 2 set local message 4 7 supplemental characteristics 3 2 T test equipment 8 5 Troubleshooting 8 5 V verification local operation 4 3 remote operation 4 5 Index 2 11713A Operating and Service Manual Looking for more information bh Artisan Visit us on the web at http www artisan scientific com for more information QUALITY INSTRUMENTATION GUARANTEED Price Quotations Drivers Technical Specifications Manuals and Documentation Artisan Scientific is Your Source for Quality New and Certified Used Pre owned Equipment e Tens of Thousands of In Stock Items Fast Shipping and Delivery Equipment Demos Hundreds of Manufacturers Supported Leasing Monthly Rentals Consignment Service Center Repairs InstraView Remote Inspection Experienced Engineers and Technicians on staff in our Remotely inspect equipment before purchasing with our State of the art Full Service In House Service Center Facility Innovative InstraView website at http www instraview com We buy used equipment We also offer credit for Buy Backs and Trade Ins Sell your excess underutilized and idle used equipment Contact one of our Customer Service Representatives today Talk to a live person 888 88 SOURCE 888 887 6872 Contact
62. ouching the center pin of any connector and before removing any assembly from the instrument 8 2 11713A Operating and Service Manual Servicing the Attenuator Switch Driver Preparing a Static Sate Workstation Before connecting any coaxial cable to an instrument connector for the first time each day momentarily ground the center and outer conductor of the cable Handle all PC board assemblies and electronic components only at static safe work stations Store or transport PC board assemblies and electronic components only in static shielding containers PC board assembly edge connector contacts may be cleaned by using a lintfree cloth with a solution of 80 electronics grade isopropyl alcohol and 20 deionized water This should be performed at a static safe work station Table 8 1 Static Safe ESD Accessories Agilent Part Number Description 9300 0797 Set includes 3M static control mat 0 6 m x 1 2 m 2 ft x 4 ft and 4 6 m 115 ft ground wire The wrist strap and wrist strap cord are not included They must be ordered separately 9300 0865 Ground wire 4 6 m 15 ft 9300 0980 Wrist strap cord 1 5 m 5 ft 9300 1367 Wrist strap color black stainless steel without cord has four adjustable links and a 7 mm post type connection 9300 1308 ESD heel strap reusable 6 to 12 months Order the above by calling any Agilent Technologies Sales and Service Office 11713A Operating and Service Manual 8 3
63. poll Abort No The driver stops listening IFC TO L2 a Commands control lines and Interface functions are defined in IEEE Std 488 and ANSI Sid MC1 1 Knowledge of these might not be necessary if your controller s manual describes programming in terms of the twelve GPIB messages shown in the left column b The driver does not have complete RU capability since it can not process the Go To Local GTL message Complete GPIB capability as defined in IEEE Std 488 and ANSI Std MCl1 1l is SHO AH1 TO TEO L2 LEO DCO DTO RL1 CO SRO PPO 6 6 11713A Operating and Service Manual Remote Operation Table 6 2 gives the relationship between each programming code and the effect it has on the output at each connector pin Table 6 2 GPIB Control Statement Results Front Connector Connector Command Result Panel Pin Digits Numbers A B 1 ATTEN X 5 H L 6 L H 2 7 H L 8 L H 3 9 H L 10 L H 4 11 H L 12 L H 5 ATTEN Y 5 H L 6 L H 6 7 H L 8 L H 7 9 H L 10 L H 8 11 H L 12 L H 9 S9 A 24 VB b B 24 V 7 0 SO A 24 V b B 24 V H Open High L Closed Low 1 Connected to ground 11713A Operating and Service Manual 6 7 Remote Operation Table 6 3 shows the programming strings required to set up various three and four section attenuators to the desired level of attenuation Table 6 3 Attenuation Levels and Corresponding Data Strings Oto 11 dB or Oto 110 dB
64. quipment could be impaired This product must be used in a normal condition in which all means for protection are intact only When installing the product in a cabinet the convection into and out of the product must not be restricted The ambient temperature outside the cabinet must be less than the maximum operating temperature of the product by 4 C for every 100 watts dissipated in the cabinet If the total power dissipated in the cabinet is greater than 800 wafts forced convection must be used viii 11713A Operating and Service Manual DECLARATION OF CONFORMITY According to ISO IEC Guide 22 and CEN CENELEC EN 45014 Manufacturer s Name Agilent Technologies Inc Manufacturer s Address 1400 Fountaingrove Parkway Santa Rosa CA 95403 1799 USA Declares that the product Product Name Attenuator Switch Driver Model Number 11713A Product Options This declaration covers all options of the above product Conform to the following product specifications EMC IEC 61326 1 1997 A1 1998 EN 61326 1 1997 A1 1998 Standard Limit CISPR 11 1990 EN 55011 1991 Group 1 Class A IEC 61000 4 2 1995 A1998 EN 61000 4 2 1995 4kV CD 8kV AD IEC 61000 4 3 1995 EN 61000 4 3 1995 3 V m 80 1000 MHz IEC 61000 4 4 1995 EN 61000 4 4 1995 0 5 kV sig 1 kV power IEC 61000 4 5 1995 EN 61000 4 5 1996 0 5 kV L L 1 kV L G IEC 61000 4 6 1996 EN 61000 4 6 1998 3 V 0 15 80 MHz IEC 61000 4 11 1994 EN 61000 4 11 1998 1 cycle
65. rational and the instrument will respond to the Remote message Whether addressed or not it will also respond to the Local Lockout and Clear Lockout Set Local messages Remote to Local Changes The driver returns to local control upon receipt of the Clear Lockout Set Local message REN If the driver is not in Local Lockout it switches to local from remote when the front panel LOCAL key is pressed With the remote to local transition the driver s outputs remain unchanged 6 2 11713A Operating and Service Manual Remote Operation Local Lockout Thelocal lockout condition disables the front panel LOCAL key so that pressingtheLOCAL key will not return the driver to local mode When local lockout is in effect the driver is returned to local under program control sending Clear Lockout Set Local or by turningthe driver LINE switch OFF and ON However returning to local by switching to OFF and then ON will defeat the purpose of local lockout and the system controller will lose control Addressing The driver s listen address s set by the slide switches on the rear panel Refer to GPIB Addressing Data Messages The state of the driver is controlled by data message on the GPIB Data messages include the driver s GPIB program codes The GPIB program codes contain information for programming the front panel functions except for the LINE switch The driver receives data messages when addressed to listen Receiving the D
66. river Overview Compatible Attenuators and Switches The 11713A attenuator switch driver is designed to drive the following Agilent Technologies attenuators and switches If you are using attenuators and switches made by another company check their switching characteristics against those specified in Chapter 3 Specifications Table 1 1 Compatible Agilent Technologies Switches Agilent Model Number Description 8761B SPDT 8762 B C F 3331A B C Terminated SPDT 8763A B C 33312A B C 1 port Terminated SP 3T 8764A B C 33313A B C Unterminated SP4T 8765A B C D F Opt 024 and 100 33314A B D Unterminated SPDT 8766K 33366K Unterminated SP3T Unterminated SP4T 8767K 33367K Unterminated SP5T 8768K 33368K 8769K 33369K Unterminated SP6T 87104A B C Option 100 Terminated SP4T 87106A B C Option 100 Terminated SP6T 87204A B C Option 100 Terminated SP4T 87206A B C Option 100 Terminated SP6T 87222C D E Option 100 2P2T Transfer 87406B Option 100 4 port Matrix 87606B Option 1006 6 port Matrix a See caution on page 2 7 Table 1 2 Compatible Agilent Technologies Attenuators Agilent Model Number Description 8494G H 33320G H 11 dB 1 dB steps 8495G H K 33321 G H K 70 dB 10 dB steps 8496G H 33322G H 110 dB 10 dB steps 8497K 33323K 90 dB 10 dB steps
67. ropriate controller program to execute the following commands Command Desired Outcome OUTPUT 728 A12345678 All attenuator lights go on except the local light OUTPUT 728 B12345678 All attenuator lights go off except the remote light 2 If a function cannot be performed both manually and remotely there may be an open line between the attenuator switch on the A7 switch assembly through the A1 interconnect power supply and to the A3 latch assembly To help pin point the problem use the block diagram on page 8 11 to further trace the circuitry Assembly Overview The resistor connected to the 5 volts keeps the input to the multivibrators at a logic high The voltage across the input capacitor is 0 volts when the front panel pushbutton switches are open When a button is pressed the input voltage on the one shot instantaneously drops to 0 volts and starts the output pulse The output pulse width is controlled by a resistor and capacitor for example R7 and C5 Nominal pulse width is 17 ms The pulses are sent to the local remote multiplexers on the A4 assembly and become the clock inputs for the flip flops on the A3 latch assembly LEDs behind the front panel switches indicate the present output state of the driver as seen by the flip flops on the A3 latch assembly The driver is in the A state when LEDs are on and in the B state when they are off 11713A Operating and Service Manual 8 21 Servicing the Attenuator
68. rranty of any kind with regard to this material including but not limited to the implied warranties of merchantability and fitness for a particular purpose Agilent Technologies shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing performance or use of this material Agilent Technologies assumes no responsibility for the use or reliability of its software on equipment that is not furnished by Agilent Technologies This document contains proprietary information which is protected by copyright All rights are reserved No part of this document may be photocopied reproduced or translated to another language without prior written consent of Agilent Technologies Restricted Rights Legend Use duplication or disclosure by the U S Government is subject to restrictions as set forth in subparagraph c 1 ii of the Rights in Technical Data and Computer Software clause at DFARS 252 227 7013 for DOD agencies and subparagraphs c 1 and c 2 of the Commercial Computer Software Restricted Rights clause at FAR 52 227 19 for other agencies Agilent Technologies Santa Rosa Systems Division 1400 Fountaingrove Parkway Santa Rosa CA 95403 1799 U S A Copyright 1987 1993 1999 2001 Agilent Technologies Inc ii 11713A Operating and Service Manual Certification Warranty Warranty Agilent Technologies certifies that this product met its published specifica
69. s A5 GPIB Handshake Data Input Assembly Removal Replacement A5 GPIB Handshake Data Input Assembly Removal Replacement CAUTION This module contains components that can be damaged or destroyed by electrostatic discharge It should be serviced at a static safe workstation Refer to Preparing a Static Safe Work Station in Chapter 8 To Remove the A5 GPIB Assembly 1 Remove the top cover 2 With a strong upward motion lift the green ring at the top edge of the A5 GPIB handshake data input assembly To Replace the A5 GPIB Assembly 1 Gently insert the board with a vertical motion into the socket marked A5 GPIB handshake data input assembly Apply balanced pressure with your thumbs to push the board into the socket 2 Replace the top cover 7 12 11713 Operating and Service Manual CAUTION Replacing Major Assemblies A6 Interface Assembly Removal Replacement A6 Interface Assembly Removal R eplacement This module contains components that can be damaged or destroyed by electrostatic discharge It should be serviced at a static safe workstation Refer to Preparing a Static Safe Work Station in Chapter 8 To Remove the A6 Interface Assembly 1 4 Remove both covers Unscrew one screw on each cover and then slide the cover toward the rear Disconnect the ribbon cable from the A1 interconnect assembly to the rear panel Remove the rear panel from the main frame by removing the four corner screws
70. ssembly Replace the module cover 7 14 11713 Operating and Service Manual CAUTION Replacing Major Assemblies A8 Power Supply Line Filter Assembly Removal Replacement A8 Power Supply Line Filter Assembly Removal Replacement This module contains components that can be damaged or destroyed by electrostatic discharge It should be serviced at a static safe workstation Refer to Preparing a Static Safe Work Station in Chapter 8 To Remove the A8 Power Supply Line Filter Assembly 1 Locatethe line filter unit behind the power connector where power cable plugs in Before proceeding make sure you identify and record the color of the transformer wire and the corresponding pin number Desolder the transformer wires and unplug the two wires from the power switch cable Desolder the ground wire on the metallic cover of the unit 5 Remove the rear panel from the main frame by removing the four comer screws Bend the two sides of the assembly to release the lock while gently removing the line filter assembly To Replace the A8 Power Supply Line Filter Assembly 1 2 Push the new assembly into the opening Solder all wires Take care to connect the correct color of transformer wire to the corresponding pin number 3 Plugin the two wires from the power switch cable Solder the ground wire to the previous location on the metallic cover of the unit 5 Reassemble the rear panel to the
71. t control is accomplished manually from front panel pushbuttons or automatically over the GPIB interface bus Programing via the GPIB can be accomplished in simple one line statements The attenuator switch driver features front panel status monitoring and a self contained power supply with current limiting Theinstrument includes solenoid arc suppression diodes and has common terminal supplies of 24 Vdc Connections are made at the rear panel to the ten pairs of current sinking transistors o Five contact pairs per set are present at each rear panel multi pin plug This plug mates with the attenuator drive cable o The remaining two contact pairs are connected to the banana jacks mounted on the rear panel The banana jacks are available for driving the coaxial switches or for optional applications o Each pair of contacts is individually programmable via GPIB or from the front panel pushbutton o The contact pair status is indicated by the front panel LEDs in the appropriate pushbutton o The contact pairs 9 and O can be used to switch between one of two loads or to reverse the current through a single load The Option 907 front handle kit contains front panel handles that can be added to the driver cabinet The Option 908 rack adapter kit contains the flange and hardware for mounting the driver in a standard rack of 48 3 cm 19 inches 1 2 11713A Operating and Service Manual Agilent Technologies 11713A Attenuator Switch D
72. tests Figure 4 2 GPIB Interface Check Test Setup 11713A DRIVER CONTROLLER 11713A Operating and Service Manual 4 5 Verification GPIB Interface Check for Remote Operation The select code of the controller s 1 O is assumed to be 7 The address of the driver is assumed to be 28 factory preset This select code address combination 728 is not necessary for these checks to be valid If necessary modify the program lines presented here with the appropriate combination for your instrument Remote Message This check assumes that the driver is in the local state If the driver is in the remote state front panel REMOTE light ON switch the driver off and then on again Description Command Send remote message to the driver REMOTE 728 Operator s Response Check that the driver s REMOTE light turns ON If it does not the driver failed to process the remote message Receiving the Message This check determines if the driver receives data messages The driver must be in the remote state Check that all front panel LEDs are ON except local when the driver first comes on and is set tothe remote state Description Command Address the driver to listen and OUTPUT 728 B1234567890 send data messages OUTPUT 728 A1234567890 Operator s Check After the first data message is sent check that the front panel LEDs are OFF After the second data message is sent check that th
73. tions at the time of shipment from the factory Agilent Technologies further certifies that its calibration measurenents are traceable to the United States National Institute of Standards and Technology NIST formerly NBS to the extent allowed by the nstitute s calibration facility and to the calibration facilities of other International Standards Organization members This Agilent Technologies system product is warranted against defects in materials and workmanship for a period corresponding to the individual warranty periods of its component products Instruments are warranted for a period of one year During the warranty period Agilent Technologies will at its option either repair or replace products that prove to be defective Warranty service for products installed by Agilent Technologies and certain other products designated by Agilent will be performed at Buyer s facility at no charge within Agilent Techhnologies service travel areas Outside Agilent Techhnologies service travel areas warranty service will be performed at Buyer s facility only upon Agilent Techhnologies prior agreement and Buyer shall pay Agilent Techhnologies round trip travel expenses In all other areas products must be returned to a service facility designated by Agilent Techhnologies For products returned to Agilent Techhnologies for warranty service Buyer shall prepay shipping charges to Agilent Techhnologies and Agilent Techhnologies shall pay shipp

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