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User manual for WK3260B Magnetics analyzer

1. 600 0 2 Rd 600 0 to lo R Z 600 0 2 Rd 600 0 Rt 600 0 9 600 0 Q Cd 4 700nF O 2 OOnF 2 600 0 Cd 4 700nF 4 700nF Cb 1 000MF Figure 5 36 TELECOMS Figure 5 37 TELECOMS Figure 5 38 TELECOMS MODE Simple Termination MODE Direct Damped MODE Damped Termination Termination with DC Blocking Capacitor Two sets of measurement leads are required see Figure 5 2 for the connection protocol To meet the specified accuracy 4 terminal connection must be used The general procedure when using TELECOMS MODE is as follows 1 Select the Menu control key followed by the TELECOM soft key 2 Connect the measurement leads see Figure 5 2 3 Select 4 terminal measurement 4 From TELECOMS MODE select the CALIBRATE soft key 5 Refer to section 4 3 and perform the following trims a O C Trim Pri b S C Trim Pri c O C Trim Pri Sec d S C Trim Sec 6 Select the TELECOM soft key to return to TELECOMS MODE 7 Select the terminating options required 8 Change the setup parameters as required i e drive level frequency and terminating component values being careful not to exceed the limitations of the transformer 9 Connect Primary and Secondary leads to the appropriate transformer windings 10 Press the Start soft key to initiate the test The measured values of insertion loss I L and return loss R L will be displayed on the screen 5 13 1 Example This example will take the user through the process of mea
2. 10 Press the Pri GND soft key and if necessary re establish the measurement conditions outlined in steps 6 and 7 11 Connect the Primary BROWN BNC connector to one end of the transformer primary winding Connect the GREEN CLIP LEAD to the transformer metal case or screen The LED above the Primary BROWN BNC connector should be lit to show that it is the active connection There should be no other connections to the transformer 12 Press the Trigger control key to initiate the measurement Figure 5 15 above will be displayed while high voltage is applied to the measurement terminals and the measurement result will be displayed 13 Press the Sec GND soft key and if necessary re establish the measurement conditions outlined in steps 6 and 7 14 Connect the Secondary BROWN BNC connector to one end of the transformer secondary winding Connect the GREEN CLIP LEAD to the transformer metal case or screen The LED above the Secondary BROWN BNC connector should be lit to show that it is the active connection There should be no other connections to the transformer 15 Press the Trigger control key to initiate the measurement Figure 5 15 above will be displayed while high voltage is applied to the measurement terminals and the measurement result will be displayed Advanced Operation 5 17 1 INSULATION MODE INSULATION MODE 1 INSULATION MODE 2nA 6 nA bs 7 UA Level 500Udc Level 500Udc Level 500Udc Range Auto Range Auto Range Aut
3. INS PRimary GND Select Primary to ground insulation measurement Parameters None Response None INS SECondary GND Select Secondary to ground insulation measurement Parameters None Response None 6 42 General Purpose Interface Bus GPIB INSULATION MODE INS LEVel lt integer gt INS LEVel Set insulation test level Insulation test level query Parameters Parameters lt integer gt is decimal integer data None which can be 100 200 or 500 Response Example INS LEV 500 Returns the test level in volts as integer will set the insulation test level to number 100 200 or 500 500V Response None INS DISPlay lt disc gt Select display WA or MQ Parameters UA or MOHM Example INS DISP UA will set the analyzer to display WA Response None INS TRIGger Trigger the insulation test and return results Parameters None Response The test result in engineering format Example 5E 7 would indicate an insulation resistance of 50MQ General Purpose Interface Bus GPIB 6 43 BINNING MODE BINning Select one of the previously worked binning modes binning command path Parameters None Response None BINning SET Select BIN SET mode Parameters None Response None BINning SORT Select BIN SORT mode Parameters None Response None BINning COUNT Select BIN COUNT mode Parameters None Response None
4. None BINning RES Return the counts from all the bin counters Parameters None Response The cumulative counts of all the bins 0 to 8 the reject bin and the total number of components tested are returned in comma delimited form Example 4 3 2 6 3 7 8 2 5 1 34 indicating a total of 34 components tested with 1 reject and bins 0 through 8 containing 4 3 2 6 3 7 8 2 5 components respectively General Purpose Interface Bus GPIB 6 49 SEQUENCE MODE SEQuence Select Sequence mode path Parameters None Response None SEQ PROGram lt integer gt lt contents gt SEQ PROGram lt integer gt Upload a sequence program to the Program query Download a sequence instrument program from the instrument Parameters Parameters The program will be stored in the analyzer with the program number lt integer gt 0 to 65535 The program stored in the analyzer with the program number lt integer gt 0 to 65535 is sent to the controller if it lt contents gt conforms to the IEEE488 2 exists and SCPI Definite Length Block Example SEQ PROG 23 Response Data will download program number 23 to the controller Response If the program number already exists Response an Execute Error will be generated If the program Humber dees not exist an Execute Error will be generated SEQ DELete lt integer gt Delete a sequence program Parameters The program stored
5. Parameters The required higher limit example BIN HI LIM 10 0 will set a high limit of 10 when percentage limits are selected Response None MULTI FREQuency Returns the frequency of the currently selected multi frequency step Parameters None Response Returns the current test frequency in engineering format Example 10000000E 04 for a test frequency of 1kHz MULTI HIgh LIMit Returns the high limit value of the currently selected step Parameters None Response The high limit value in engineering format Example 50000000E 01 indicates a high limit of 5 when percentage limits are selected General Purpose Interface Bus GPIB 6 67 MULTI FREQUENCY MODE MULTI LOw LIMit lt real gt MULTI LOw LIMit Set the lower test limit of the currently selected step Parameters The required lower limit Example BIN LO LIM 10 0 will set a low limit of 10 when percentage limits are selected Response None MULTI MINor lt real gt Set the minor test limit of the currently selected multi frequency step Parameters The required limit Example BIN MINOR 1 0 will set a low limit of 1 0 for the minor test Response None MULTI NOMinal lt real gt Set the multi frequency nominal value Parameters The required nominal value no unit is required the measurement mode unit is used Example MULTI NOM 33e 9 will set a nominal value of 33nF
6. Response None Returns the low limit value of the currently selected step Parameters None Response The low limit value in engineering format Example 50000000E 01 indicates a high limit of 5 when percentage limits are selected MULTI MINor Returns the minor limit value of the currently selected step Parameters None Response The minor limit value in engineering format Example 10000000E 01 indicates a minor limit of 1 0 MULTI NOMinal Returns the multi frequency nominal value Parameters None Response Returns the nominal in engineering format Example 68000002E 07 would indicate a nominal of 68nF if the measurement is capacitance 6 68 General Purpose Interface Bus GPIB MULTI FREQUENCY MODE MULTI LIMIT lt disc gt Selects absolute or percentage limits checking Parameters The following discrete parameters are valid OFF No limits ABS Absolute limits PERC Limits as a percentage of nominal Example MULTI LIMIT PERC will set the test limits to a percentage of the nominal value Response None MULTI DEL Removes the current frequency Parameters The frequency number in the range 0 to 7 Example MULTI DEL 0 will delete the top frequency Response None MULTI LIMIT2 Returns the current limits checking mode Parameters None Response 0 No limits 1 Absolute limits 2 Percenta
7. X Reactance Y Admittance 1 2 Z Impedance 10 2n x frequency Subscript s series Subscript p parallel Bc oC pres MC L L Q Osi series R L C values Rs oC Rs R P Q 0C R parallel R L C values oL G D O0L G parallel G L C values e Q 8 2 Theory Reference R D C R series R L C values oL Note The value Q 5 is constant regardless of series parallel convention 8 3 Series Parallel Conversions OR R R40 ea Q o I le z l Q Conversions using the above formulae will be valid only at the test frequency 8 4 Polar Derivations R VA cosg G Y cosg X z sin B Y sin Note that by convention ve angle indicates an inductive impedance or capacitive admittance If capacitance is measured as inductance the L value will be ve If inductance is measured as capacitance the C value will be ve D tan where 90 0 admittance measurement 1 tan Q where 6 90 6 impedance measurement Maintenance Support and Services 9 1 9 MAINTENANCE SUPPORT AND SERVICES 9 1 Guarantee The equipment supplied by Wayne Kerr Electronics is guaranteed against defective material and faulty manufacture for a period of twelve months from the date of dispatch In the case of materials or components employed in the equipment but not manufactured by us we allow the customer the period of any guarantee extended to us
8. Yellow Yellow Sense Low Drive Low Drive High Sense High Sense Low Drive Low Drive High Sense High Figure 5 2 Connection Protocol for TRANSFORME TELECOM MODE Primary BNC Connectors Secondary BNC Connectors INSTRUMENT feo leet teenies es tel Connect to fixture scanner leads as shown below n c no connection Yellow HANDLER n c n c n c Drive Low Drive High Sense Low Sense High Figure 5 3 Connection Protocol for HANDLER MODE 5 1 2 Two Three and Four Terminal Connections For low impedances the main advantage of four terminal connections is to reduce the effect of contact resistance variations at the DUT With Kelvin clip leads or the four terminal component fixture 1EV 1006 screened four terminal connections are made automatically to the DUT If the impedance being measured is greater than 1kQ and contact resistance variation is not a problem two terminal connection is adequate the S C trim facility being used to remove the effect of series lead impedance To maintain accuracy when using two terminal connections do not plug anything into the BROWN or YELLOW BNC sockets Advanced Operation 5 3 If the DUT has a large area of metal not connected to either of its terminals e g a screen or core this should be separately connected to ground using the green clip lead but if there is a relatively large unscreened conducting surface which is connected to one of its terminals e g an air spaced tu
9. uw A Wayne Kerr Electronics PRECISION MAGNETICS ANALYZER USA Wayne Kerr Electronics Inc 165L New Boston Street Woburn MA 01801 1744 Tel 781 938 8390 Fax 781 933 9523 email sales waynekerr com www waynekerrtest com UK 3260B User Manual Issue G 2 January 2003 Part N 9H3260B Wayne Kerr Electronics Vinnetrow Business Park Vinnetrow Road Chichester West Sussex PO20 1QH Tel 44 0 1243 792200 Fax 44 0 1243 792201 email sales wayne kerr co uk email service wayne kerr co uk www waynekerrtest com Asia Microtest 14F 6 No 79 Hsin Tai Wu Road Sec 1 Hsi chih Taipei 221 Taiwan R O C Tel 886 2 2698 4104 Fax 886 2 2698 0716 Email wksales microtest com tw www waynekerrtest com O Wayne Kerr Electronics Limited 2003 The copyright in this work is vested in Wayne Kerr Electronics Limited and this document is issued for the purpose only for which it is supplied No licence is implied for the use of any patented feature It must not be reproduced in whole or in part or used for tendering or manufacturing purposes except under an agreement or with the consent in writing of and then only on the condition that this notice is included in any such reproduction Information furnished is believed to be accurate but no liability in respect of any use of it is accepted by Wayne Kerr Electronics Limited CONTENTS O A O 1 1 RRA 1 1 1 2AC Power Supply ii asas 1 2 1 3 Adjustment Mainte
10. GRAPH MAJor LOw lt real gt Set the Y axis start point for the first measurement type Query the current Y axis start point for the first measurement type GRAPH MAJor Hlgh lt real gt Set the Y axis stop point for the first measurement type Query the current Y axis stop point for the first measurement type GRAPH MINor LOw lt real gt Set the Y axis start point for the second measurement type Query the current Y axis start point for the second GRAPH MINor LOw 6 74 measurement type GRAPH MINor Hlgh lt real gt Set the Y axis stop point for the second measurement type Query the current Y axis stop point for the second GRAPH MINor High 6 75 measurement type p Set the nominal value for use when graphs are being plotted GRAPH NOMinal lt real gt 6 75 GRAPH MAJor LOw GRAPH MAJor High in percentage mode GRAPH NOMinal Returns the current graph nominal GRAPH TERM lt integer gt Set which measurement will be shown viewed GRAPH TERM Query the current measurement selection E Select the number of pixels between each measured point on GRAPH STEP lt integer gt 6 76 the graph General Purpose Interface Bus GPIB 6 21 GRAPH TRIG Start plotting a graph with the current settings mao O PU Perform self calibration disconnect all BNCs from the CAL SELF CAL 6 85 instrument terminals before using this command 6 22 General Purpose Interface Bus GPIB CAL RES Returns the resu
11. GRAPH StoP lt real gt Set the stop frequency for the sweep Parameters The required frequency in Hertz The unit suffix Hz is optional Example GRAPH SP 100k will set the stop frequency to 100kHz Response None GRAPH StarT Returns the start frequency of the sweep Parameters None Response Returns the start frequency in engineering format Example 10000000E 05 for a start frequency of 10kHz GRAPH StoP Returns the stop frequency of the sweep Parameters None Response Returns the stop frequency in engineering format Example 125000000E 06 for a start frequency of 125kHz General Purpose Interface Bus GPIB GRAPH MODE GRAPH LOGF lt disc gt Selects the frequency scale type Parameters The required scale type ON Logarithmic scale OFF Linear scale Example GRAPH LOGF ON will select the logarithmic frequency scale Response None GRAPH LOGY lt disc gt Selects the flag for the measurement scale type Parameters The required scale type ON Logarithmic scale OFF Linear scale Example GRAPH LOGY ON will select the logarithmic scaling of the Y axis available for Z Y only Response None GRAPH LOGF Returns the current frequency scale type Parameters None Response The current scale type 1 Logarithmic scale 0 Linear scale Example 0 the would indicate that linear frequency scale is sel
12. If so connect the transfer standard capacitor Then press key to start Figure 4 31 HF Lead Compensation 3 Assuming that O C and S C trims have already been performed connect the transfer standard capacitor supplied with the instrument to the fixture or scanner component contacts 4 Press the START soft key When the CALIBRATE MODE main screen is redisplayed HF lead compensation has finished See Notes 1 and 2 of section 4 6 4 7 Measuring a Component in IMPEDANCE MODE The analyzer should be powered up with the test leads or fixture connected to the front panel Primary BNC connectors If the test leads or fixture have been changed since the analyzer was last used they should be trimmed as described in section 4 3 If measurements will be made at 200kHz and above repeat the HF lead compensation as described in section 4 4 1 The following instructions illustrate the process of measuring a component in IMPEDANCE MODE 1 Press the front panel Menu control key The MAIN MENU Figure 4 9 will be displayed 2 Press the IMPEDANCE soft key IMPEDANCE MODE Figure 4 32 will be displayed Operation 4 27 IMPEDANCE MODE 98 36 uH 24 32 Q Show Scale St ay 100mVac 10 000kHz DC Bias 0 000 A OFF NORM Range Auto Hide Setup Speed Med ALC on CALIBRATE Figure 4 32 Impedance Mode 3 Use the soft keys shown in Figure 4 4 and Figure 4 5 to set the required measurement parameters these are described in section 4
13. Le 3 rL ri Sec pan Pri 4 P Sec Delete 10 000kHz Range Auto Delay Os Speed Fast ALC Off Limits L Hi 1 0000 H L Lo 0 0000 H Level 0 1 Figure 5 32 SEQUENCE EDIT MODE Change Test Parameter 1 Open the program to be edited See section 5 10 1 2 Loading an Existing Program 2 Use the and navigation keys to highlight the setup or limit parameter to be changed 3 Parameter settings are modified using the and navigation keys or numeric keypad Some parameters e g frequency are changed by entering the new value from the data entry keypad other parameters e g speed are changed by repeatedly pressing the keypad Enter key to scroll through the available settings 5 10 2 3 Deleting a Test Step 1 Open the program to be edited See Section 5 10 1 2 Loading an Existing Program 2 Usethe and navigation keys to highlight the test step to be deleted 3 Press the soft key labelled Delete to remove the highlighted program step from the test program 5 30 Advanced Operation 5 10 2 4 Moving a Test Step SEQUENCE EDIT Test Program 1 Pri Pri Pri Ns Np Sec Ins P Sec Setup 1 0000 U 10 000kHz Range Auto Delay Os Speed Fast ALC Off Limits L Hi 1 0000 H L Lo 0 0000 H Figure 5 33 SEQUENCE EDIT MODE Moving a Test Step 1 Open the program to be edited See section 5 10 1 2 Loading an Existing Program 2 Usethe and navigation keys to highlight the test step to be mo
14. None GRAPH MAJor LOw lt real gt Set the Y axis minimum for the first measurement type on the graph Parameters The required start value Example GRAPH MAJ LO 10 0 will set the minimum to 10 Response None Returns the current marker frequency Parameters None Response Returns the marker frequency in engineering format Example 100000000E 04 for a marker frequency of 1kHz GRAPH MAJor LOw Query the current Y axis minimum for the first measurement type Parameters None Response The current minimum in engineering format Example 95000006E 04 would indicate that the Y axis will start at 95uF for example 6 74 General Purpose Interface Bus GPIB GRAPH MODE GRAPH MAJor High GRAPH MAJor Hlgh lt real gt Set the Y axis maximum for the first measurement type on the graph Parameters The required maximum value Example GRAPH MAJ HI 1000 0 will set the end point to 1k Response None GRAPH MINor LOw lt real gt Set the Y axis minimum for the second measurement type Parameters The required minimum value Example GRAPH MIN LO 0 0 will set the minimum to zero Response None Query the current Y axis maximum for the first measurement type Parameters None Response The current maximum in engineering format Example 105000006E 03 would indicate that the Y axis will stop at 105uF for example
15. Select Rdc measurement Impedance test query Parameters Parameters None None Response Response None 2 Turns Ratio 1 Rdc 0 AC HAN TEST AC Select AC measurement Parameters None Response None HAN TEST RATIO Select Turns Ratio measurement Parameters None Response None 6 52 General Purpose Interface Bus GPIB HANDLER MODE HAN FREQuency lt real gt Set frequency Parameters The required test frequency in Hertz The unit suffix Hz is optional Suffix multipliers K M G may be used Example HAN FREQ 1k HAN FREQ 1000 Hz HAN FREQ 1E3 are all equivalent commands and set the test frequency to 1kHz Response None HAN LEVel lt real gt Set AC drive level Parameters Supply the required level in either Volts or Amps If no suffix is stated the previous type of drive is set Example HAN LEV 1 2V HAN LEV 1E 2A will select levels of 1 2V and 10mA respectively Response None HAN FREQuency Frequency query Parameters None Response Return the current test frequency in Hz as floating point number Example 2 50E2 for a test frequency of 250Hz HAN LEVel Returns the test level of the currently selected test Parameters None Response Returns the current test level in engineering format Example 20000000E 01 for a test level of 20mV General Purpose Interface Bus GPIB 6 53 HANDLER MODE HAN B
16. allow it Four measurement speeds are available Slow Med Fast and Max Selecting slower measurement speeds increases the display resolution and decreases measurement noise by averaging The measurement speed is set by highlighting the parameter with the and navigation keys and altering the setting with the and navigation keys The following measurement periods apply for Rde Meas and AC Meas gt 100Hz Max speed makes measurements at 40ms intervals and is intended for automatic sorting under GPIB control Fast speed makes measurements at 100ms intervals and is intended for non critical measurements Med speed makes measurements at 300ms intervals and gives ALC Operation 4 33 full measurement accuracy Slow speed makes measurements at 900ms intervals and gives full measurement accuracy maximum display resolution and enhanced supply frequency rejection ALC Automatic Level Control is only available for AC measurements and works in conjunction with the drive level which has a 50M source impedance It is set by highlighting the parameter with the and navigation keys and altering the setting with the and gt navigation keys Three ALC options are available ALC off ALC on and ALC hold When ALC off is selected the analyzer will not try to maintain the drive level at the component The drive level will therefore be diminished according to the impedance of the component being measured For example since th
17. minimize the risk of electric shock AVOID TOUCHING THE TEST CONNECTIONS DURING THE TRIMMING OPERATION Press the Pri Sec soft key Using the HA MQ soft key ensure that HA is highlighted Using the navigation keys highlight and set each of the following parameters in turn Use the and navigation keys to highlight a parameter and the and navigation keys to alter the highlighted parameter setting 5 16 Advanced Operation Level 500V _ this can also be set with the data entry keypad Range Auto Speed Med 8 Connect the Primary BROWN BNC connector to one end of the transformer primary winding Connect the Secondary BROWN BNC connector to one end of the transformer secondary winding The LEDs above the BROWN BNC connectors should be lit to show that they are the active connections There should be no other connections to the transformer 9 Press the Trigger control key to initiate the measurement Figure 5 15 above will be displayed while high voltage is applied to the measurement terminals and the measurement result will be displayed WARNING AVOID TOUCHING THE TEST CONNECTIONS DURING MEASUREMENT OPERATIONS Although the current is limited to a safe level there is a risk of electric shock especially at 200V and 500V test levels Unless energy is stored in components e g capacitors connected to the measurement terminals the voltage at the measurement terminals will be removed within 0 5 seconds of test completion
18. two three and four terminal oconoooccoccnccononononononenononanananononococonannnanononocncnnonanannn nono nccnonannnn 52 Contrast control AAA 4 9 Control keys sccccssssssssesscccssessesssssossosessecsessossionscssessendassee sossessccnassovasosbessocuaseseasesenssocvaseseaseseeese 4 12 Data entry Keypad A O NN 4 16 key Seg nce examples oror ir alii ii e 4 15 DC bias current omoomsommso 2 1 4 2 4 3 4 6 4 9 4 11 4 33 5 44 6 14 6 26 7 4 DE drive level ioccoicocoonacinecoocinocecineretacin sons srasoian caian esoass 2 1 4 30 4 32 5 10 6 14 6 25 EAN TO reeeo se 5 51 Drive level SEEE E A A AEE E AEE E A E EE 7 3 AC aate e E A aks el A O 2 1 4 32 5 3 5 10 6 14 6 25 AC for measurement of iron cored and ferrite INduUCtOTS ocoonccococonnconncnonoconoconncnonoconono 5 5 DEO reer en e a Ea E a EE N NGE 2 1 4 30 4 32 5 10 6 14 6 25 nsulation Mods ii A add ninia 5 18 A A 4 34 AE AR 5 36 7 4 Examples raph MO Evora AAA A ATA ceed tab dul AA A AE tie E E 5 47 PEACE MIA A A EE Eae 4 28 insulation Mode nina r E A E E E Sa 5 15 KEY SEQUCTICES Lt cai ri KEERT E EE EE AEE EEE EETA E chee 4 15 Mull freg Modena e a E a a A aE 5 38 AN EA E A O AAE A tances 6 91 telecoms Modistas 5 34 transformer mods IR Dd 5 7 External bin handler oonooonooononononnnonnnconnconnconncconnconncnncconn cono nona cono nononconaconccnncon ccoo crono esos ness 4 6 External ri Ger s ciccscocscssencssscdocosscssonasccenscosvesso
19. 18 Power lA A O Ou diene dese dos 1 2 3 1 CONN ECHL 0 aE EE EE A EE Ae ees 1 2 3 1 FUSS PATA Boose acct A a danced pata a aba os 1 2 Pro Ud COndUCtOT norii ia ia 1 2 remioval precautions A dd asta 4 9 O coh ct ca lesel T E E 1 2 1 3 3 1 4 1 FREQUENCY A ROS ON AO 3 1 Voltage MO AS ta ia 3 1 Pride dices scssSvacuccevscescsusesendcasscesssvseececsdsseessetvecsecdescessssdueesenceevesessebuesest 2 1 4 2 44 7 7 COTE C NO 4 2 4 3 IET A 4 5 ENable disable COE cccciceccccceivejecetesvececedcesvsentceccecebeesvsuvisvcecesscesvvunbevecceseveessolubceseecess 4 3 4 13 Outta ad 4 4 printing analyzer cal status SettingS cccecccesscesscessceeeeceseceeeeeeecesseceecseeeeeeecseeeseneeneeesss 4 13 printing from graph mode oocconconcniccnoninnconanononnconanononnncnnonononncnnc rn nonnnns 5 43 5 47 6 21 6 78 ROC meas rieres enaos soera aese e oS S Eea SES E EaD e 4 30 4 32 6 14 6 23 AA AA NN 4 8 CONNECT ca cnet Mn tad eke 4 2 Repetitive MOde csscssccsessecsesssssersesseees 4 12 4 14 4 15 4 27 5 19 5 23 5 31 5 53 Resonance mode cocooccconcconnconnconncnnncnnnnonanonacononoco nooo este esrios seos eo sso sese tosse re coca rocc niorse eones osso es veps 5 50 extrapolated CTA ii ie a iaa dis ia 5 50 A NN 4 16 A O A E E 4 17 SICA ci A 4 19 A A NO 13 NAAA koosne ocr ooon sE ooon nior Sor sess Posesi os pisos Tespos sit Pssst S0 ssns TOS eS 9 1 A O O 4 2 7 4 CONNECHONS aci ia ii 4 2 NS A RN 4 3 SAVE MOM EE
20. 6 44 General Purpose Interface Bus GPIB BIN SET MODE BINning NOMinal lt real gt Set binning mode nominal if Bin Set percentage mode is selected Parameters The required bin nominal value No unit is required the measurement mode unit is used Example BIN NOM 68e 9 will set a nominal value of 68nF Response None BINning LIMIT lt disc gt Set percentage or absolute mode Parameters The following discrete parameters are valid ABS Absolute limits PERC Limits as a percentage of nominal Example BIN LIMIT PERC will set the test limits to a percentage of the nominal value Response None BINning NOMinal Nominal query Parameters None Response Returns the nominal in engineering format Example 0 68E 07 would indicate a nominal of 68nF if the measurement is capacitance BINning LIMIT Limit query Parameters None Response 0 Absolute limits 1 Percentage limits Example 1 indicates that components will be tested against limits that are a percentage of the nominal value General Purpose Interface Bus GPIB 6 45 BIN SET MODE BINning BIN lt integer gt In BIN SET select a bin bin 0 to bin 8 to manipulate Parameters An integer in the range 0 to 8 BIN BIN 3 Example will select bin 3 for editing Response None BINning Hlgh LIMit lt real gt Set high limit Parameters The required high limit lt
21. 7 2 below Do not exceed the limitations of the component to be measured 4 Connect the component to be measured to the test leads or fixture 5 Ifthe analyzer is in Repetitive mode the measured values will be displayed and updated according to the Speed setting selected A continuously flashing asterisk in the top left hand corner of the screen indicates that the analyzer is in repetitive mode 6 If the analyzer is in Single shot mode the front panel Trigger key must be pressed to initiate a measurement alternatively a suitable trigger pulse may be applied to the TRIGGER IN socket on the rear panel see section 4 1 5 If the Trigger key is pressed and held the analyzer will make repetitive measurements at the Speed setting selected until the key is released When in single shot mode the asterisk in the top left hand corner of the screen only flashes when a measurement is triggered 4 7 1 Example This example will take the user through the process of measuring the inductance L and quality factor Q of a 100uH inductor The settings used are examples only and the user may substitute other settings subject to the limitations of the component to be measured The analyzer should be powered up with the test leads or fixture connected to the front panel BNC connectors If the test leads or fixture have been changed since the analyzer was last used they should be trimmed as described in section 4 3 If measurements will be made a
22. C and S C Trims must be performed before performing HF lead compensation Operation 4 17 4 3 1 Performing an O C Trim Pri or S C Trim Pri For normal impedance measurements these are the only trims required 1 Select CALIBRATE either from the MAIN MENU or from a mode which has CALIBRATE as an option in which case pressing the bottommost soft key which will be labelled with the name of the original mode e g IMPEDANCE TRANSFORMER will return the analyzer to that mode The analyzer will enter CALIBRATE MODE CALIBRATE MODE O C Trim Pri S7C Trim Pri D C Trim Pri Sec 5 C Trim Sec HF Lead Compensation Self Calibration Handler Calibration 4 terminal is selected Figure 4 17 Calibrate Mode 2 Select O C Trim Pri or S C Trim Pri 3 With the measurement leads connected to the Primary BNC connectors open or short circuit the Kelvin clips or fixture jaws as appropriate 4 Select the trim option required and wait until the analyzer has finished trimming The trim options are described in section 4 3 1 1 Note If the instrument is switched OFF during the trim the messages shown in Figure 4 18 and Figure 4 23 will be displayed when the instrument is next switched ON The component measurement modes will be reset to the default settings and o c Trim Error Or S C Trim Error will be displayed at the top of the screen These messages will only be cleared by performing the appropriate trims The instrumen
23. Cal Mode c ceccecccccssessseesseeeseesseeeseeeseeeseecsaecsaecsaeceaecnseenaeeseeeseeeeeeenaeeaas 4 24 Figure 4 27 Front Panel BNC Connections for Handler Mode ooooooconconncnoconoccnccnoninnconananonnnns 4 24 Figure 4 28 Handler Factory Cal Lost Message ccccescsssseceseceseceseceeecseeceeseeeeeeeeeeeeeeeneenss 4 24 Figure 4 29 HANDLER CAL MODE O C Trim Options cccceseesceceeeeteeeeeseeeeeeaeeaeeneees 4 25 Figure 4 30 HANDLER CAL MODE S C Trim Options cccccocococonocnnononcononanonononncnncononanncnnonos 4 25 Figure 4 31 HF Lead Compensation cccceeccesesseeesceseeseeeceesecaeeeneeseceaeeaeeeeeaecaeeeeeeaeenaeeaees 4 26 Figure 4 32 Impedance Modernitas tica 4 27 Figure 4 33 Example Display when Measuring the Inductance and Quality Factor of a LOO WH ducto a a li lit We 4 28 Figure 4 34 Non Soft Key IMPEDANCE MODE ParameteTS oconconcononnnncocononcnnonncnnacnoncnnnnon 431 Figure 4 35 Nearest Drive Level Warning ooooncnnconncnncnnnncoconononncnononncnnannnononnnncnnnonncnnc cn ncnnannno 4 33 Figure 4 36 Cannot Set Level Warning coconconnnnnccocononnococononncnnncnnonononncnncnnnnn nc nn nono canccnncnnnnno 4 33 Figure 5 1 Connection Protocol for IMPEDANCE MODE ccceseeeeeceseeeeeeeceseeaneaeeeneeaes 5 2 Figure 5 2 Connection Protocol for TRANSFORME TELECOM MODE s es 5 2 Figure 5 3 Connection Protocol for HANDLER MODE ssssssssssesssisssessiseesrsssseseesessesesssseses 5 2 Figure 5 4 In Circuit Measure
24. FUNC C Capacitance HAN FUNC Z Impedance Selecting second measurement HAN FUNC Q Quality factor HAN FUNC D Dissipation factor HAN FUNC R Resistance Note that selecting Z as the first measurement will force the second measurement to be Angle This does not change the equivalent circuit flag setting Example HAN FUNC L 0Q will select L Q measurements Response None General Purpose Interface Bus GPIB 6 57 HANDLER MODE HAN FUNC MINOR Minor term query HAN FUNC MAJOR Major term query Parameters Parameters None None Response Response Returns the measurement type Returns the measurement type according to this table O Inductance 1 Capacitance 2 Impedance Example 2 indicates that the major term is impedance Z according to this table o Q Factor 1 D Factor 2 Resistance Example 1 indicates that the minor term is dissipation factor D Note that if the first measurement is polar Z this query will return the last non polar setting HAN FUNC NS NP Select the display of Turns Ratio Ns Np measurement Parameters None Response None HAN FUNC NP NS Select the display of Turns Ratio Np Ns measurement Parameters None Response None 6 58 General Purpose Interface Bus GPIB HANDLER MODE HAN FUNC NS lt real gt Select the display of Turns Ratio Ns measurement Parameters lt value gt is decimal numeric
25. Figure 5 8 Unit Not Available 5 8 1 Connections Except when using a handler or 4 wire scanner the standard connection protocol for TRANSFORMER TELECOM MODE may be used for all insulation test types This is shown in Figure 5 2 The tables below show the active connection for each test Leads marked not used may be left connected to the analyzer but are not used for the insulation test For operation with a 4 wire scanner the scanner relays should be configured as for turns ratio measurement During Insulation mode operation set the instrument to 2 terminal operation Since a 4 wire scanner is connected to the analyzer with HANDLER MODE lead configuration see Figure 5 3 it is not possible to perform a primary to secondary winding test 5 12 Advanced Operation a See eae eae ea ale INSTRUM EA orange venom Eorangs Yelow LEADS not used not used not used not used not used not used not used Drive Low Leads marked not used may be left connected to the analyzer but are not used for the insulation test Connect the RED lead to the transformer primary and the GREEN CLIP LEAD to the transformer metal case or shell Figure 5 9 Active Connection for 2 TERM INSULATION MODE Pri GND Primary BNC Connectors Secondary BNC Connectors INSTRUMENT fener e ln Brown not used not used not used not used not used not used not used Sense Low Leads marked not used may be left connected to the analyzer but are not used for th
26. GRAPH MINor LOw Query the current Y axis minimum for the second measurement type Parameters None Response The current minimum in engineering format Example 100000000E 01 would indicate that the Y axis will start at 1Q for example General Purpose Interface Bus GPIB 6 75 GRAPH MODE GRAPH MINor Hlgh lt real gt GRAPH MINor High Set the Y axis maximum for the second measurement type on the graph Parameters The required maximum Example GRAPH MAJ HI 100 0 will set the end point to 100Q for example Response None GRAPH NOMinal lt real gt Set the nominal value for use when graphs are being plotted in percentage mode Parameters The required nominal value no unit is required the unit of the first measurement type is used Example GRAPH NOM 150e 12 will set a nominal value of 150pF Response None Query the current Y axis maximum for the second measurement type Parameters None Response The current maximum in engineering format Example 100000000E 02 would indicate that the Y axis will stop at 10Q for example GRAPH NOMinal Returns the current graph nominal Parameters None Response Returns the nominal in engineering format Example 15000000E 09 would indicate a nominal of 150pF for example 6 76 General Purpose Interface Bus GPIB GRAPH MODE GRAPH TERM lt integer gt Set which measurement will
27. MODE Sort 5 9 2 1 BINNING MODE Sort Parameters Parameters which are common to IMPEDANCE MODE are described in section 4 7 2 IMPEDANCE MODE Parameters Delete last If a component is wrongly sorted e g a bad connection to the fixture pressing the Delete last soft key will clear this result from the total It is only possible to step back one reading This soft key appears after a measurement is triggered Selecting it will display Figure 5 24 below Delete last result Are you sure Figure 5 24 Delete Last Result Message Selecting the Yes soft key will delete the last result Advanced Operation 5 23 BIN SET Enters BINNING MODE Set see section 5 9 1 BIN COUNT Enters BINNING MODE Count see section 5 9 3 CALIBRATE See section 4 3 5 9 3 BINNING MODE Count BINNING MODE Count can be entered at any time during component sorting by selecting the BIN COUNT soft key Figure 5 25 below shows 9 components sorted into their respective bins BINNING MODE Count Delete all 27 Ganache Delete last Pease BIN SET BIN SORT 100mVac 10 000kHz DC Bias 0 000 A OFF Range Auto Hide Setup Speed Med ALC off CALIBRATE Figure 5 25 BINNING MODE Count 5 9 3 1 BINNING MODE Count Parameters Parameters which are common to IMPEDANCE MODE are described in section 4 7 2 IMPEDANCE MODE Parameters Delete all Deletes all of the bin counts resetting them to 0 after a warning message s
28. Measurement Facilities cc eccesesseeesceseseeeeseceeeseeeceaeeeeeeaeceeesecnaeeaeeeeenes 7 2 PDE A ESE RARA EE O EE FOR CNT 7 2 7 2 2 Transformer Ratio CorrectiOO ooooonninninninnnnnconncancanincnnn cnn inn ran 7 3 7 2 3 Low Magnetization MeasureMelt ccooincncincnnonccinnnicnnr conan rro 7 3 7 2 4 Measurement Speeds oc ccccccccccccccccscceceeeeceseeeneeeee cee c eee ran ran ran rn rana rra 7 3 TZ REPEAL Measurement sr herso tienoin ROS ais Ha WA AA ag 7 3 7 2 6 Frequency Steps aenn ad iaoi aae a a a aE E EE T EE EE 7 3 To Test Conditions ii ip 7 3 7 3 1 Measurement Rangen seie ieie EE EE rra 7 3 7 3 2 Frequency AC Measurement cooniionnninnnnnnnconnccianccanrnnn rra rra rra rra rra rra ranas 7 3 Te 3 Drve Leve id A A ROE a eA Pe ay Laat 7 3 7 3 4 DC Bias Current Impedance modes ONLY ooonnniinunnniinininnonncnnncnccnnccancancrnarann 7 4 TI Insulation OPIO A hag ad tas a a Say 74 T 3 0 LE Telecom Option ici as mas bean bac dsd 7 4 TA Basic ACCUPACY orm onde aivooaee tddi 74 TAA RAC O apo da 7 4 LADE REZ O st ts ci AAA ET ROO 7 4 7 4 3 Dissipation Factor D ccccccccccccecscessceeeee stent e eee e cece cate cscs esas cs rana 74 744 Quality Factor O a 74 7 4 5 Insulauon OPIO ii A aid de E E E nS 7 5 7 4 6 Insertion Loss LF Telecom Option ccccccccccccceccsececseecetececucseeseeeneeeneeenseeeueessseenseenas 7 5 7 4 7 Return Loss LF Telecom Option cccccccccccccccscecscecsecceecccecseceecuesneseseseneennssenseeegs 7 5 ZAS
29. OAT a Ren E 6 1 6 1 2 Interface Specification sresecenecenoininion n rr 6 1 6 1 3 Changing GPIB AddreSS ioiai ei E E E a R N O i 6 2 6 1 4 Message SYNTAX cai 6 2 6A 3 Dat Outp t asserena AL EEE ES 6 5 6 1 6 Status REPOTtIIG ccccccceccccecseceeeeeete eee aeeeeeeeeceaeeecaaeceeaeeseaeeecaeeeessesueeeesseeeeiaeeseneeess 6 6 6 1 7 Common Command ocio 6 12 6 1 8 Standard Operation Status COMMANAS c ooiinnnnnininnnnnnconncannrinnianrrarrrarnrrn 6 13 6 2 Device Specific Commands cccccccesccesecessceesceeeceeceeeseeeseeeseecseeceeceeceseceseeseeeseeeeeeeeags 6 14 6 2 1 Command SUMMALY iii 6 14 6 3 Example Programs etnia it diet add 6 91 0 3 1 Example Tia it da 6 93 OLIMPO 2 A A A EAT PES 6 94 E a 28 999 TI 2e RT 6 95 0 34 Exampled cacaos 6 97 03 Example Srpen i i A E Moses RR A A aa 6 98 7 SPECIFICATION cccccscsscsccccccsccsecccncenscecsecssecssccnecceacsscsecsecsenccecseessecssecseccensenccessensenceaces 7 1 7 1 Measurement FUNCTIONS assnret ar aa a a a a a 7 1 Ad IMPEDANCE MODE ovina lose edi Ea aa Aca 7 1 LL 2 HANDLER MODE tai ii 7 1 7 1 3 TRANSFORMER MODE cooccociocioncinnonicnocinnc 7 1 LT L4ARESONANCE MODE aeoea iaa pias 7 1 7 1 5 DEMAGNETISATION MODE oooincacicnicinnaicnccn 7 1 7 1 6 INSULATION MODE Option ooo 7 1 LA PBINNING MODE 0 E A EA R 7 2 7 1 8 SEQUENCE MODE 0 eccccccccscsccscessesseeseeesesseeesceseesesaceeneesecsaeeaeeeeceaesaeeesceaeeaeeaneeneeaes 7 2 LAY LF TELECOM Option ivi iaa 7 2 7 2 Additional
30. PURPOSE INTERFACE BUS GPIB 6 1 GPIB Control 6 1 1 Introduction The GPIB is a parallel port designed to be used for communication between instruments listeners and control devices talkers such as PCs fitted with a suitable interface card The interface protocol is defined by the IEEE488 1 standard Some additional generic capabilities of the listeners and talkers are defined by IEEE488 2 The SCPI standard defines the highest level of command structure including a number of standard commands for all instruments 6 1 2 Interface Specification The IEEE 488 1 bus standard and the IEEE 488 2 code standard are fully supported The command set has also been designed to the SCPI standard The IEEE 488 1 functions supported eo rr 6 2 General Purpose Interface Bus GPIB 6 1 3 Changing GPIB Address Each instrument on the GPIB requires a unique address this can be set to any address in the range 0 to 30 The default address is 6 This may be changed from the SETTINGS page as follows 1 From the MAIN MENU select SETTINGS 2 Highlight the settings page GPIB address parameter with the and navigation keys 3 Alter the address with the or navigation keys or the data entry keypad The GPIB address is stored in non volatile memory 6 1 4 Message Syntax A GPIB message is made up of one or more commands Commands can be separated into two groups common commands and subsystem commands The available common com
31. Program oooininninninnninconccnnncncinn inn rra rra 5 28 5 11 SEQUENGE RUN MODE a a n ea EEEE ATEA OE EENES ESETET 5 30 SLT A Selecuine E Progra camere siiin iii n e R OEE E EE 5 30 5 11 2 Program Development morreria iii a EAA S 5 30 5 11 3 Running a ProgrOM oinnninnnninnninicnnnccnccncn nr 5 31 5 12 HANDLER MODE neiaie t a arne E E a aS 5 32 JAZ Use of HANDLER MODE comia dni E EA Maite Re 5 32 5 137 TELECOMS MODE ua ii 5 32 SAIA Examples i in sr eee a ee ee 5 33 5 13 2 TELECOMS MODE Parameters coocinincconnicnnnccnnncinnnrinnn rin 5 34 SJ4AMULTLFREQ MODE 00 A E ea 5 36 5 14 1 MULHFREO Selor na Eei O E NA E ONR 5 36 5 14 2 MULTI FREQ Ruts AM 5 40 SISGRAPE MODE eey rre e e L E lad a E a E ies 5 41 5 15 1 GRAPH MODE Set ParametelS coooooninninnninnnconccnncnnrcnnnrrrnrrrnn rn 5 42 5 15 2 Parameters Available when the Graph is Displayed ooo 5 44 IA EXAMPLE o osc i n EE A E A TE T T a TEA ET 5 45 5 16 RESONANCE MODE sii it ii 5 47 3 17 DEMAG MODE aree a e a cy ds 5 49 5 17 1 DEMAG MODE Parameters ccccccccccccccscscscscscsessssssssssesssssssssssssssssesssesesssesssesesees 5 49 5 1 8 The SETTINGS Palestina 5 49 5 18 1 The SETTINGS Page Parameters ooinnninnninncnnnncncciranranrran rar narrar rra 5 50 5 19 The CAL STATUS Paget etea aortae aas tna Raa ca e ia 5 52 6 GENERAL PURPOSE INTERFACE BUS GPIB e ssssesessssesescesoscsoesorsesceeosesoesossesesossee 6 1 OT GPIB Controlar A ia ieia eb A ec dida 6 1 OL E
32. The equipment has been carefully inspected and submitted to comprehensive tests at the factory prior to dispatch If within the guarantee period any defect is discovered in the equipment in respect of material or workmanship and reasonably within our control we undertake to make good the defect at our own expense subject to our standard conditions of sale In exceptional circumstances and at the discretion of the service manager a charge for labour and carriage costs incurred may be made Our responsibility is in all cases limited to the cost of making good the defect in the equipment itself The guarantee does not extend to third parties nor does it apply to defects caused by abnormal conditions of working accident misuse neglect or wear and tear 9 2 Maintenance 9 2 1 Cleaning The body of the equipment can be cleaned with a damp lint free cloth Should it be required weak detergents can be used No water must enter the equipment Do not attempt to wash down internal parts 9 2 2 Safety Checks Each year the equipment should be given a simple safety check 9 2 2 1 Equipment required 25A ground bond tester e g Megger PAT 2 Insulation tester 500V DC e g Megger BM 7 9 2 2 2 Tests 1 DISCONNECT THE INSTRUMENT FROM THE AC POWER SUPPLY 2 Inspect the unit and associated wiring for damage e g dents or missing parts which might impair the safety or function of the equipment Look for any signs of overheating or evidence t
33. The required capacitor value in Farads Example TEL CT 1E 9 sets the termination capacitor to 1nF Response None TELecom Cd lt real gt Set the telecom test damping network capacitor value Parameters The required capacitor value in Farads Example TEL CD 47E 10 sets the damping capacitor to 4 7nF Response None TELecom Rd lt real gt Set the telecom test damping network resistor value Parameters The required resistor value in Ohms Example TEL RD 560 sets the damping resistor to 560Q Response None Query the telecom test termination capacitor Parameters None Response The termination capacitor value in engineering format Example 470000000E 10 indicating a termination of 47pF TELecom Cd Query the telecom test damping network capacitor Parameters None Response The damping capacitor value in engineering format Example 470000000E 9 indicating a damping capacitor value of 470pF TELecom Rd Query the telecom test damping network resistor Parameters None Response The damping resistor value in engineering format Example 15000000E 03 indicating a damping resistor value of 1500 6 64 General Purpose Interface Bus GPIB TELECOMS MODE TELecom Cb lt real gt TELecom Cb Set the telecom test blocking capacitor Query the telecom test blocking capacitor value Parameters Parameters N ne
34. a test frequency of 250Hz TRAN LEVel Returns the test level of the currently selected test type Parameters None Response Returns the current test level in engineering format Example 20000000E 01 for a test level of 20mV General Purpose Interface Bus GPIB 6 37 TRANSFORMER MODE TRAN SPEED lt disc gt TRAN SPEED Select the required measurement speed Measurement speed query Parameters Parameters MAX Maximum speed None FAST Fast speed Response MED Medium speed Returns the test speed as an integer SLOW Slow speed according to the table Example TRAN SPEED SLOW Maximum will select slow speed for Fast measurements Medium Response Slow None Example 1 indicates that Fast measurements are selected TRAN RANGE lt disc gt TRAN RANGE Select measurement range condition for Measurement range query transformer tests Parameters Parameters None The following parameters are valid Response AUTO Auto ranging p Hold f Returns the measurement range as an HOLD o a eae integer according to this table 1 to 7 Range 1 to 7 0 Auto taneiis Example Ep eer 1 7 Current measurement range TRAN RANGE AUTO Example 0 will select range 1 and auto ranging indicates that auto ranging is selected respectively Response None 6 38 General Purpose Interface Bus GPIB TRANSFORMER MODE TRAN ALC lt disc gt Select the Control s
35. autoscale function or by pressing the RETURN soft key and selecting more appropriate limits 3 An error message shown at the top of the screen indicates that the error occurred somewhere on the sweep 4 The graph is plotted using the full measurement resolution When the graph has been plotted and GRAPH MODE Set has been reselected with the RETURN soft key View can be used to redisplay the last graph plotted by the analyzer Enters IMPEDANCE MODE or TRANSFORMER MODE according to the Mode selected see Mode above so that measurement parameters may be set up or changed When the correct measurement parameters are set the RETURN soft key returns the instrument to GRAPH MODE Set 5 15 2 Parameters Available when the Graph is Displayed FUNCTION VIEW FIT Pressing FUNCTION temporarily crops the graph to display other soft keys available These are shown indented below Pressing VIEW hides the available soft keys and displays the whole graph The FIT soft key replots the graph auto scaling the vertical axis for the best available resolution This may be done separately for both major and minor terms Advanced Operation 5 45 TOGGLE When a graph is plotted on the major or minor term the other term is automatically stored in the background and the TOGGLE soft key can be used to toggle between the two graphical displays RESONANCE Enters RESONANCE MODE See section 5 16 PEAK Aligns the marker with the highest peak
36. component to the test leads or fixture 13 Press the Start soft key A graph will be plotted showing the component characteristics using the measurement parameters and frequency range set Figure 5 46 Advanced Operation 5 47 Marker move along trace with and navigation keys INDUCTANCE WS FREQUENCY FUNCTION RETURN Measurement Results Measurement Parameters at Marker Frequency Figure 5 46 Graph Plotted From Example 14 By stepping the marker along the graph with the and navigation keys the measurement result and frequency can be seen at the marker position in the bottom left corner of the screen 15 Pressing the FUNCTION soft key will display the other soft key functions available These are described in section 5 15 2 Parameters Available when the Graph is Displayed 5 16 RESONANCE MODE RESONANCE MODE identifies and analyses either series or parallel resonances in the component under test These are typically caused by the self inductance of capacitors or the self capacitance of inductors respectively For analysis purposes the equivalent circuits shown below are assumed L C Ls Zo il C mz Figure 5 47 Series Equivalent Circuit Figure 5 48 Parallel Equivalent Circuit At the selected resonant frequency the capacitive and inductive reactances are equal and opposite giving a measured impedance that is purely resistive By making measurements above and below this frequency the exact resonant characteris
37. in the analyzer with program number lt int gt 0 to 65535 will be deleted without warning if it exists Example SEO DEL 65 will delete the analyzer sequence program number 65 if it exists NO WARNING WILL BE GIVEN Response If the program number does not exist an Execute Error will be generated 6 50 General Purpose Interface Bus GPIB SEQUENCE MODE SEQ RUN lt integer gt SEQ RESult Run a sequence program Sequence result query Parameters Parameters The program stored in the analyzer None with program number lt int gt 0 to 65535 will be loaded and run if it Response exists Returns the result of the sequence Example SEO RUN 43 executed as an integer as follows will run program number 43 if it 0 FAIL exists 1 PASS Response Example 0 If the program number does not exist would indicate that the last sequence an Execute Error will be generated program run failed SEQ LIST Returns a list of the sequence programs stored in the analyzer Parameters None Response The program numbers separated by commas SEQ CLR Clears all the sequence programs stored in the analyzer WARNING This GPIB command will clear ALL the sequence data in the analyzer use with caution Parameters None Response None General Purpose Interface Bus GPIB 6 51 HANDLER MODE HANdler Select handler mode path Parameters None Response None HAN TEST RDC HAN TEST
38. into repetitive measurement mode until the key is released 4 2 6 The Data Entry Keypad Units 7 DIQ 8 v 9 A O Code 4 H 5 F 6 Q Clear 1 m 2 k 3 M Enter 0 P eon u o O Figure 4 12 The Data Entry Keypad The data entry keypad is a multi function key set permitting manual entry of data values measurement units and control codes The Units key must be used prior to keying a unit or multiplier Where more than one unit is available on a key e g D Q pressing the key will display the first unit pressing the key again will display the second unit Terminate the units mode with Enter to accept the key sequence Pressing Clear will delete the whole key sequence pressing will delete the last key press An invalid keypad entry may cause the entry line to be cleared and an error message such as the one shown in Figure 4 13 to be displayed in which case the existing settings will be preserved or the nearest available value may be set accompanied by the error message shown in Figure 4 14 Operation 4 13 Units mismatched Nearest Available Figure 4 13 Example of an Error Message from an Invalid Figure 4 14 Nearest Available Error Message Keypad Entry The key may be used before or after a value to change its sign If the key is pressed more than once the value will toggle between and For numbers which are positive only this key is disabled 4 2 6 1 Keypad Codes A number of special fun
39. limit of 2 5 of nominal 6 32 General Purpose Interface Bus GPIB IMPEDANCE MODE IMP Low LIMit lt real gt IMP LOw LIMit Set the percentage scale bar low limit Returns the current scale bar percentage low limit Parameters Parameters The required low limit No unit should be supplied the nominal unit is used None Example IMP LO LIM 5 0 Response will set a low limit of 5 0 of f The current low limit in engineering nominal format Response Example 20000000E 01 None indicating a high limit of 2 0 of nominal General Purpose Interface Bus GPIB 6 33 TRANSFORMER MODE TRANsformer Enter Transformer mode path Parameters None Response None TRAN TEST Primary LQ Select Primary L Q measurement Parameters None Response None TRAN TEST Transformer test query Parameters None Response O P LQ Ratio P RDC S RDC P LE S LE C 6 34 General Purpose Interface Bus GPIB TRANSFORMER MODE TRAN TEST RATIO Select ratio measurement Parameters None Response None TRAN TEST Primary RDC Select Primary Rdc measurement Parameters None Response None TRAN TEST Secondary RDC Select Secondary Rdc measurement Parameters None Response None TRAN TEST Primary LEakage Select Primary Leakage measurement Parameters None Response None General Purpose Interface Bus GPIB 6 35 TRANSFO
40. line which will occur only when a component has been successfully measured and sorted 4 1 11 5 Bin Handler Interface Pin Assignment COCCC sn Bin 0 select active low Bin 9 select active low Bin 3 select active low Pass Fail output low Pass Pieces ee 4 1 11 6 Signal Levels Output High gt 4V Output Low lt 1V Input High gt 3 5V Input Low lt 1 5V Drive capability typically is 10mA sink low and 30uA high 4 2 The Front Panel Soft Keys Control Keys Contrast LCD Display Navigation Keys Data Entry Keypad Power Switch BNC Connectors and Indicator Figure 4 4 The 3260B Front Panel Operation 4 9 4 2 1 Switching the Instrument ON With the instrument connected to the correct AC power supply see section 3 Installation press the POWER switch The power indicator will light and the instrument will display the mode and settings selected when the instrument was last switched off the exception is Bias which for safety reasons is always OFF when the instrument is powered up If the display is too bright or too dark use the CONTRAST control above the power switch to set the contrast level If the analyzer had previously been set up for measuring components testing can recommence after checking the settings and 1f applicable switching the Bias back on To return to the MAIN MENU press the Menu control key 4 2 2 Switching the Instrument OFF The power can be switched OFF at any time withou
41. of the screen when the measurement frequency is set to 200kHz or above This message will only be cleared and full measurement accuracy restored by successfully performing the HF lead compensation routine preceded if necessary by O C and S C trims 2 Ifthe instrument is switched to HANDLER MODE and then back to any other mode and is then switched OFF Figure 4 18 may be displayed when the instrument is next switched ON and Figure 4 23 will be displayed every time the instrument is switched ON When component measuring modes are selected Calibrate Error will be displayed at the top of the screen when the measurement frequency is set to 200kHz or above These messages will only be cleared by successfully performing the HF lead compensation routine preceded if necessary by O C and S C trims The instrument can be used with the default settings but it is recommended that the trims are run for full measurement accuracy 3 Self Calibration is also an option from HANDLER CAL MODE This is run without leads or a fixture connected to the instrument front panel and is therefore valid for all modes and all types of tests The self calibration routine is also available from the normal CALIBRATION MODE menu see section 4 5 4 6 1 O C Trim and S C Trim O C Trim and S C Trim must be run from HANDLER CAL MODE for full measurement accuracy when using a compatible 4 terminal fixture or scanner with the instrument 1 Either a Select CALIBRATE from
42. or reset the current path is set to the root Message terminator line feed ASCII 0Ah or EOL sets the current path to the root When a colon is the first character of a command it specifies that the next command mnemonic is a root level command When a colon is placed between two path mnemonics the current path is moved down one level in the command tree if the path name is valid A semicolon separates two commands in the same message without changing the current path If a command requires more than one parameter the separate adjacent parameters must be specified using a comma Commas do not affect the current path Common commands such as RST RCL are not part of the tree An instrument interprets them in the same way regardless of the current path setting Other syntax rules Commands will be executed in the order in which they appear in the string A command string can contain any number of query commands the response will contain the replies to each query separated by a semicolon Only commands available in the selected mode will be accepted Otherwise an Execution Error will be generated For example AC frequency cannot be set if Rdc type of test is selected Either full or abbreviated forms of the device specific commands will be accepted The abbreviated form is indicated by upper case letters in section 6 2 Device specific commands have the same effect as pressing the equivalent front panel key and can b
43. real gt is decimal numeric data No suffix is allowed Example BIN HI LIM 10 0 will set a high limit of 10 when percentage limits are selected Response None BINning LOw LIMit lt real gt Set low limit Parameters lt real gt is decimal numeric data No suffix is allowed Example BIN LO LIM 10 0 will set a low limit of 10 when percentage limits are selected Response None BINning BIN Bin number query Parameters None Response Returns the present bin Example 5 indicates that the settings for bin number 5 are those currently being edited BINning HIgh LIMit High limit query Parameters None Response Returns high limit value as a floating point number Example 0 50E 0 indicates a high limit of 5 when percentage limits are selected BINning LOw LIMit Low limit query Parameters None Response Returns low limit value as a floating point number Example 50000000E 01 indicates a high limit of 5 when percentage limits are selected 6 46 General Purpose Interface Bus GPIB BIN SET MODE BINning MINOR lt real gt BINning MINOR Set minor term limit if it is applicable on Minor term query the selected test Parameters Parameters None lt value gt is decimal numeric data No suffix is allowed Response Example BIN MINOR 1 0 Returns low limit value as a floating oint number will set a low l
44. requirements of EN61010 1 Safety requirements for electrical equipment for measurement control amp laboratory use and has left the factory in a safe condition The following definitions in EN61010 1 are applicable OPERATOR Person operating equipment for its intended purpose Note The OPERATOR should have received training appropriate for this purpose RESPONSIBLE BODY Individual or group responsible for the use and maintenance of equipment and for ensuring that operators are adequately trained The RESPONSIBLE BODY must ensure that this equipment is only used in the manner specified If it is not used in such a manner the protection provided by the equipment may be impaired This product is not intended for use in atmospheres which are explosive corrosive or adversely polluted e g containing conductive or excessive dust It is not intended for use in safety critical or medical applications The equipment can cause hazards if not used in accordance with these instructions Read them carefully and follow them in all respects Do not use the equipment if it is damaged In such circumstances the equipment must be made inoperative and secured against any unintentional operation WAYNE KERR ELECTRONICS and the associated sales organizations accept no responsibility for personal or material damage nor for any consequential damage that results from irresponsible or unspecified operation or misuse of this equipment 1 2 Safet
45. scale can either be used as a quick visual verification that the component is within the limits set or can be used for adjustment of variable components When the measurement falls within the centre band the analyzer reports PASS when the measurement falls above or below the centre band the analyzer reports HI or LO Notes 1 The centre portion of the scale length is proportional to the measured value but scale compression is used above and below the centre band 2 Ifthe binning option is fitted an external output is available to indicate PASS or FAIL see sections 4 1 11 and 4 1 11 5 for details 4 30 Operation Abs Save Nom Show Setup Hide Setup CALIBRATE Only available when the bar graph scale is displayed Toggles between Abs and When Abs is selected absolute Hi and Lo limits i e units of the measured parameter are displayed When is selected a nominal value together with Hi and Lo percentage limits are displayed The limits and nominal value if applicable must be set using the and navigation keys to highlight each parameter and the data entry keypad to set each value the use of the data entry keypad is described in section 4 2 6 When in mode the bar graph scale Hi and Lo limits can easily be set equidistant about the nominal by setting either of the limits then highlighting the other limit and pressing the keypad Enter key twice This mimics the setting of the other limit but with the o
46. t 6 5 4 3 2 1 0 A MSS oc O Br 8 D je 3 amp 7 p 8 8 7 5 4 3 2 1 0 Figure 6 5 Status Byte Register 6 1 6 2 Service Request Enable Register read by Serial Poll Status Bit Register lt read by STB Service Request Enable Registert SRE lt NR1 gt SRE 6 7 The service request enable register SRE is a mask determining the conditions in which the SBR will generate a service request It is bit wise ANDed with the SBR and if the result is not zero then bit 6 of the SBR is set see Figure 6 5 The SRE is set by the SRE command and read by the SRE command 6 8 General Purpose Interface Bus GPIB 6 1 6 3 Standard Event Status Register The standard event status register ESR contains the 8 bits of the operation status report which is defined in IEEE 488 2 If one or more event status bit is set to 1 and their enable bits are also 1 bit 5 called ESB of the status register byte is set to 1 Each bit of the standard event status register is shown below BIT Name Meaning True 1 7 Power On PON True when the instrument power supply has been turned OFF and then ON since the last time this register was read User Request URQ Not used Always 0 Command Error CME True if the following command errors occur An IEEE 488 2 syntax error occurred The device received a Group Execute Trigger GET inside a p
47. terminal measurement or vice versa Toggles the analyzer between Single shot mode and Repetitive mode operation Set by highlighting the Measurement parameter with the and navigation keys then using the or navigation keys to toggle between the two choices Alternatively the Sngl Rep control key can be used to select either single shot or repetitive mode see section 4 2 5 Toggles the analyzer between Global and Non global test conditions With Global set any parameter e g drive level frequency set in one mode of operation is automatically reflected in all other modes For example if the IMPEDANCE MODE frequency is set to 300Hz the TRANSFORMER MODE frequency will automatically be changed to 300Hz too With Non global set the parameters in each mode may be set independently of the parameters in all other modes Set by highlighting the Test Conditions parameter with the and navigation keys then using the or navigation keys to toggle between the two choices Sets the ratio correction to Off Normal transformer or Auto transformer during transformer ratio measurements Set by highlighting the Ratio Correction parameter with the and navigation keys then using the or navigation keys to select the setting required When measuring the turns ratio of transformers with a floating secondary winding the ratio correction should be set to Normal transformer or Off If the primary impedance is low it is highly recommended to t
48. test results without the additional parameter move the test set up highlight to Range or Speed Binning A PRINT soft key label will be displayed in BINNING MODE COUNT if a printer is connected and printing is enabled Code 30 from the MAIN MENU In BINNING MODE SET Code 34 will print a list of the current bin set up the printer must first be enabled by entering Code 30 from the MAIN MENU In BINNING MODE SORT and single shot mode measurement results and bin numbers will be printed if printing is enabled 4 1 6 2 Parallel Printer Connector Pin Assignment Ee peris Ja orar 2 omnes at ocur fo ouster a runt Operation 4 5 Pin Description Pin Description po fome 4 1 7 GPIB Connector The General Purpose Interface Bus GPIB is a parallel port which allows communication between the instrument and other devices such as PCs fitted with a suitable interface card The GPIB port allows remote control of the instrument for measurement of components and the collection of measurement results For details of GPIB control and commands see section 6 Devices should be connected to the instrument using a standard GPIB 24 pin connector assembly with a shielded cable Use of the standard connector consisting of a plug and receptacle is recommended and should be compatible with the Amphenol and Cinch Series 57 or Amp Champ 4 1 7 1 GPIB Connector Pin Assignment a e Jer aama os omtres A Jue ote seats
49. the MAIN MENU The analyzer will enter CALIBRATE MODE shown in Figure 4 17 Select the Handler Calibration soft key The analyzer will enter HANDLER CAL MODE b Select CALIBRATE from HANDLER MODE in which case pressing the bottommost soft key which will be labelled HANDLER will return the analyzer to HANDLER MODE The analyzer will enter HANDLER CAL MODE 4 24 Operation HANDLER CAL MODE HF Lead Compensation Self Calibration 4 terminal is selected Figure 4 26 Handler Cal Mode 2 Select O C Trim or S C Trim 3 With the fixture scanner leads connected to the Primary and Secondary BNC connectors as shown below open or short circuit the fixture scanner component contacts as appropriate Primary BNC Connectors Secondary BNC Connectors Elie Connect to fixture scanner leads as shown below n c no connection Dil eet ones saa a lean eed Figure 4 27 Front Panel BNC Connections for Handler Mode 4 Select the trim option required and wait until the analyzer has finished trimming The HANDLER MODE trim options are described in section 4 6 1 1 Note If the instrument is switched OFF during O C trim or S C trim the message shown in Figure 4 18 will be displayed when the instrument is next switched ON followed by Figure 4 23 which will be displayed every time the instrument is switched ON The component measurement modes will be reset to the default settings and o c Trim Error or S C Trim Error will be dis
50. the current cursor position 6 60 General Purpose Interface Bus GPIB HANDLER MODE HAN RATio CORRection lt disc gt Select the type of transformer for turns ratio correction HAN RATio CORRection Ratio correction query Parameters Parameters N ne The following parameters are valid Response OFF Normal transformer with NORM AUTO Response None low primary impedance Normal transformer with primary impedance gt 500 Auto transformer common connection between one end of primary and secondary windings Returns the turns ratio correction status according to this table 0 OFF 1 NORM 2 AUTO Example 0 indicates that turns ratio correction is OFF General Purpose Interface Bus GPIB 6 61 TELECOMS MODE TELecom Select telecommunications transformer test mode path Parameters None Response None TELecom FREQuency lt real gt Set the telecom test frequency Parameters The required frequency in Hertz The unit descriptor HZ is optional Example TEL FREO 1E3 HZ set the telecom test frequency to 1kHz Response None TELecom NETwork Set the damping network state Parameters The required state ON or OFF Example TEL NET ON turns on the damping network Response None TELecom FREQuency Query the telecom test frequency Parameters None Response The test frequency in engineering format Examp
51. trigger mode 0 Single shot 1 Repetitive Example 1 would indicate that the instrument will begin repetitive measurements when returned to local control TERMinal Query the current terminal setting Parameters None Response The current setting 2 2 Terminal 4 4 Terminal Example TERM 4 will select 4 terminal measurement General Purpose Interface Bus GPIB 6 89 ROOT COMMANDS SETUP lt disc gt SETUP Select set up view ON and OFF GPIB commands that change the test settings will be slightly faster with the set up display off Parameters The required mode ON Show set up OFF Hide set up Example SETUP OFF will turn off the set up display Response None FAST GPIB lt disc gt Select fast GPIB mode in this mode all measurement results are returned in a raw unformatted format and without displaying the result Measurement time is reduced when using this mode Parameters The required mode ON Enable fast GPIB OFF Disable fast GPIB Example FAST GPIB ON will turn on fast GPIB operation Response None Query the current set up mode Parameters None Response The set up condition 1 Set up displayed 0 Set up hidden Example 1 would indicate that the set up is visible FAST GPIB Query fast GPIB mode Parameters None Response The current fast GPIB setting 1 Fast GPIB operation 0 Normal GPIB operation Example 1
52. upper limit LO X e g LOL LO Q The parameter indicated is below the lower limit 5 MULTI FREQ Run Frequency L 1 0000kHz 40pH 3 0000kHz 40pH 10 000kHz 61pH 30 000kHz 100 00kHz 300 00kHz 1 0000MHz IMPEDANCE SET CALIBRATE Figure 5 44 MULTI FREQ Run When the bin handler option is fitted the bin handler Pass Fail output corresponds to the EXE ESA and results The Pass Fail output goes low only when a measurement has passed all set limits see section 4 1 11 5 for the bin handler interface pin assignment 5 15 GRAPH MODE GRAPH MODE allows both major and minor term component or circuit characteristics to be viewed in graphical form linear or logarithmic across a user defined frequency range Only one term can be viewed at a time but it is possible to rapidly toggle between the major and minor term views The major term graph may be in absolute units or as a percentage from a nominal value The vertical axes for both the major and minor term may be pre defined by the user After plotting the graph the FIT function may be used to autoscale either vertical axis for the best available resolution Other functions within GRAPH MODE can be used to find resonance and to identify the highest peak and lowest trough across the frequency range A marker is displayed with the graph and can move along the graph outline and give x and y coordinate readouts Results can be printed to an Epson compatible printer if requ
53. used OA A A A 4 16 4 18 5 55 NS O AA O 4 16 COTMOCEL ONS init ia Tea an wd recat Ed Sao ace A ACA dia E 5 1 for Handler mode iii lisis isolated rs 4 23 5 33 O E IET 5 3 5 6 5 11 5 16 5 17 5 18 SA NN 3 1 7 7 GPIB SN A A O A LERT A TE N 5 52 6 2 CONMECtOr PIN ASSISNIMENE srera craneo std eshevens E A A N ates 45 AAA sosvesdessssceuasesoessosssacesscessnesososscesecessestesues 5 49 ampli A A di lt tt bed 5 47 quantized frequency steps snenie A a a E aea 5 47 Separa METET A E RN 5 47 GU ALAC oicscsccectesiecciisaescecestctacteccecsccsessenddcceasenesscccendoctesusetesddesdalesdecssdsedestesensesckeseusstssetdeetises 9 1 Guard resistance cccccccssccsscssscsssccssscssscssscssscssscssssnsssnssssessesssesesesescssssesescsescssssosssnssoesee 5 4 Handler mode oooonoonnoonnconnconnconnncnnncnoncnoncnn conc coca cono nono nono nconaconnconncconnconn conc ESES e SES ESSES cono 5 33 CD oenes E ds xis uk ca E cstavele buss Tal e 4 23 HF lead compensation cccccccsesscessesseeseesececseesseeseeseceaecsaeeseeseceaecseesaeseceaecaeeeeeeseceaecaeeeeeesaecseseeseaeeeaeeneees 4 25 O C Trimand S C AMA A A ofc 4 23 CONNECHONS al is we A A a A 4 24 HF lead compensation e sseessesssesssesssesssessseosseossosssoossoossseossoossosssoossoossoossoossosssso 4 16 4 20 4 25 iG SCAG aie senesccasenaicesdecasssdesevnssvesenesescvesenseeseosnedeseSenceassesiicessevensdensventevsarsvadeees 4 30 4 31 6 30 Impedance Mode ceisscncscrerisrc
54. value if applicable must be set using the and navigation keys to highlight each parameter and the data entry keypad to set each value Note The Abs soft key is not available when the vertical scale is logarithmic This soft key toggles between either of the measurement terms selected in IMPEDANCE MODE or TRANSFORMER MODE depending on whether the Mode parameter is set to Impedance or Transformer The graph will be plotted according to whichever of these terms is highlighted 5 44 Advanced Operation Start View IMPEDANCE or TRANSFORMER When all parameters have been set up pressing the Start soft key will plot the graph As the graph is being plotted a progress marker at the bottom of the screen shows how complete the graph is and the speed of the marker gives an indication of how long the graph will take to plot If the graph is progressing too slowly perhaps because too small a Step Size has been selected it can be aborted by pressing and holding the Abort key Notes 1 If the range is manually selected and the component characteristics take the graph outside the boundaries of the selected range that portion of the graph will not be plotted 2 If incorrect y axis settings are selected no graph will be seen even though the progress marker will indicate that a graph is being plotted the graph will actually be plotted outside of the display area The display can be corrected by using the FIT
55. when the mode is initially selected Leakage Pri and Leakage Sec tests share the same measurement conditions The series leakage inductance and resistance of the transistor secondary winding Best results will be obtained by short circuiting the transformer primary winding A message is displayed to this effect when the mode is initially selected Leakage Pri and Leakage Sec tests share the same measurement conditions The capacitance between the transformer primary and secondary windings at the selected voltage and frequency test conditions Enters INSULATION MODE see section 5 8 The following TRANSFORMER MODE parameters are those displayed in the bottom left hand corner of the screen shown in Figure 5 6 They are only visible when Hide Setup is NOT SELECTED 5 10 Advanced Operation Drive Level This parameter is available during measurement of L Q Pri Turns Ratio Leakage Pri Leakage Sec C Pri Sec When Turns Ratio or C Pri Sec is selected only voltage drive can be set All other settings listed above will accept either voltage or current drive set by highlighting the parameter with the and navigation keys then altering the setting in pre determined steps with the and navigation keys or by using the data entry keypad The range is L Q Pri 1mV 10V S0uA 200mA Leakage Pri At frequencies above 300kHz the maximum Leakage Sec current drive is restricted Turns Ratio 1mV 10V no cur
56. 000F to 9 999TF default 1 000MF 5 14 MULTI FREQ MODE This mode allows measurement of components at a number of user defined frequencies Limits can be turned off or set in absolute or percentage terms and can be different for each defined frequency When limits are set in percentage terms a nominal component value must also be entered MULTI FREQ mode is divided into two areas MULTI FREQ Set and MULTI FREQ Run 5 14 1 MULTI FREQ Set MULTI FREQ Set Fregquenc Emp ty Empty Empty Empty Es Sort Emp ty aAa Abs x Empty IMPEDANCE RUN CALIBRATE Figure 5 40 MULTI FREQ Set Display With No Parameters Set up Up to eight frequencies can be defined by highlighting the frequency then entering the frequency with the data entry keypad The and navigation keys scroll through each frequency in turn Also available depending upon the setting of the Off Abs soft key are High Low and Minor term limits and a Nominal parameter The High Low Minor and Advanced Operation 5 37 Nominal settings are accessed by pressing either of the or navigation keys when one of the frequency settings is highlighted The Nominal value is common to all frequencies but the High Low and Minor term limits may be different for each frequency set Any limit set to zero is ignored when the multi frequency test is run Therefore either the major or minor term test may be omitted
57. 9 1 1 BINNING MODE Set Parameters Parameters which are common to IMPEDANCE MODE are described in section 4 7 2 IMPEDANCE MODE Parameters Reset Series Parallel Abs Nominal Resets all bin limits to 0 after displaying a warning message shown in Figure 5 20 below Confirm by pressing the Yes soft key Absolute and percentage limits must be reset separately but since the minor term is common to both it is reset from either limits mode Are you sure that you want to delete all the bin limits Figure 5 20 BINNING MODE Set Reset Warning Only available for tests of L Q Pri L R Pri C D Pri and L R Sec Selects series or parallel equivalent circuit for measurement of the selected parameters Toggles between Abs and When Abs is selected absolute Hi and Lo limits i e units of the measured parameter are displayed When is selected a nominal value together with Hi and Lo percentage limits are displayed The limits and nominal value must be set using the navigation keys to highlight each parameter and the data entry keypad to set each value the use of the data entry keypad is described in section 4 2 6 When in mode the Hi and Lo limits can be set equidistant about the nominal by setting either of the limits then highlighting the other limit and pressing the keypad Enter key twice This mimics the setting of the first limit but with the opposite sign This soft key operates only when pe
58. A3260B Precision Magnetics Analyzer ccccecccesscesseesneeeneeeeeceseeseeeeeetseesaes 2 1 Figure 3 1 Procedure for Attachment of Rack Mounting Brackets cccseeceeseseeeeeeneeeneeeee 3 2 Figure 3 2 4 Terminal Measurement 0 ccceeceesccsseeseeeeceseeseeecaececeaecaeeeaeeeecaeeaeserecaeeeneeaeente 3 3 Figure 3 3 2 Terminal Measurement 0 cccceceesccsseeseseeceseeseescceaeceeeesecaceeceeseceaesaeserecaeeeneeaeeaee 3 3 Figure 4 1 The 3260B Rear Panel creeeren nea a a a Aes 4 1 Figure 4 2 Typical Bias Interlock Fixture oooooninocnnonnocnnonnnonnnnonononncnnnonanonnnronn rr nnrrnnrrrnnrrnn nn 4 2 Figure 4 3 Standard Bin Handler Timing eee eceeeceseeseeeecesecaeeencesecaaeeeeceaeeaesereeaeeaeeeneaes 4 7 Figure 4 4 The 3260B Front Panel cenit e a EE E A e a EEN NRE 4 8 Figure 4 The SOM Ken A S A 4 10 Figure 4 6 The Navigation KeyS cccccccsscssscseseesseesseeeseeeeeeeecseecsaecaecesecnseecssecaecesecseenaeenas 4 10 Figure 4 7The Control Keys voii an e aida iaa 4 11 Figure 4 8 Bias Safety Hazard Notice ccccccccsseessecscecsteceeceeeeaecaecnsecnseenseeeseeseeeseeeeneenes 4 11 Figure 4 9 The3260B Main Menu pages 1 and 2 cecccscssecesecesecesecceseeeseeeseeeeeeeeeeeeneeses 4 11 Figure 4 10 Single Shot Mod ccccecccecsseessecsseessecseeeseceseeeeecaecsaecsaeceseceseeeseeseeeseeeseeeeeneeses 4 12 Figure 4 1 1 Rep titive Mode viiooniondontaid lic idad a dial ali dle rides 4 12 Figure 4 12 The Data Entr
59. ACCUL AE CHAT p55 A aida 7 6 179 Gencra Data a ria 1 1 79d Power SUPPLY io A sua elles ada 7 7 ES BII S REA O E E 7 7 7 5 3 Measurement Connections rra 7 7 7 5 4 Remote Control Option cccccccccccccccccecscecsceesceseceeeeeeeecseecs secs rra rana rara 7 7 7 5 5 Binning Interface Option cccccccccccccccccccececsecneecceeccesseesseeneeneenseeenseenesenesenseenseengs 7 7 LIO PIN DUDA EE aA a iE AR ES 7 7 7 5 7 Environmental Conditions once reinan 7 7 TaD SOLOW ia raid 7 8 FII EME A A A A ARN AA Ai REAR CEE 7 8 IES 2 11 e EA A O E 7 8 7 5 11 Accessories Supplied oocooninnniconinonanncannaannan coran rron EN rre anna E raras 7 8 7 5 12 Options and ACCESSOTI8S giaa a EEE nn cess nera r rra rra rana 7 8 8 THEORY REFERENCE occococoonoononnonnosoniononnnoonccnnnononcnoncnconnonenoonco nono roso son usso sevre os con conaronoos 8 1 Sul ADDrEVIa ION ata Dat atadisn 8 1 8 2 OM A ob ea cules a di 8 1 8 3 Series Parallel Conversions cccescesseescesecsceeseeseceseeseceaeeaeeseceaecaeececsaeeaeesecaeeaeeeeeeaeeas 8 2 8A Polar Deriva a a 8 2 9 MAINTENANCE SUPPORT AND SERVICES cccscssssssssssssssscssscessssssecssesscssessesesces 9 1 Dol Guarantees tithe ak ie hate ea PRA T 9 1 OZ MainiteM aN CO ivi AAA a Cob te i ab ad btt it 9 1 92T Glenin i A A eda RES Sa LA eek s LL a ET RG FA 9 1 9 2 2 Safety Cheat e E E E adios 9 1 OS Support and S CLVICE sessie css r doves a E E E A 9 2 ILLUSTRATIONS Figure 2 1 PM
60. ANN eE E EEE SEEE E E EEE E EEE 4 31 Scanner OU Wide 4 23 4 24 4 25 4 26 5 2 5 12 5 14 5 33 E AAA O 4 22 4 23 Sequence edit mode COP YIN S A PLO OTA idas a lid idad icles ati ss vlad dees 5 28 deleting a POMAR E EE EEE AE E E T 5 29 loading an existing program 2 0 cceeceeccesecssscseeceeceessecseceeeceeeseeeseecseecsaecaecesecesaecsseceaeenaeees 5 26 NEW PrO O 5 25 5 27 program label s cia a asis 5 28 Saving PLO STAIN uti data ni a EEES AEE KETS EEA E EEEE AEE E e E EET dt 5 28 SEQUENCE r n MOE cesreccccciccscsrensccsacccccsesunssessencsecnesennddseanececeaseennesseasdeocaseenaaseardsccnsconseesenses 5 31 program development ccceccccsseesseesseesecssecssecesecescecsecsseceseceseeseeseeeseeeseseseseeeeeeaeesaes 5 31 TUD APTO AAA AE ce sut Vand AAA EA A re cast ohne oaks diva AAC 5 32 selecting a proa a 5 31 OO O 1 2 9 2 SOCCINGS A A 5 54 PAPAMELSTS nai iii 5 54 SN A E E TE T 4 30 4 31 6 30 Single shot mode essessssssoesesoesossosoesesossossesesoe 4 12 4 14 4 15 4 27 5 11 5 19 5 23 5 53 O A O 4 10 SPO A E E E E 4 27 4 33 5 5 6 14 6 26 7 3 affecting aCcUraCyo oro A ieee dhgarecb A A ais 74 raph Mark ti A Ai 5 46 Static electricity sccccccsssissssscscecccenndssscsssconseceedsssssnsvdeccccenacensevedeecscenvesetnsesbocsesedasasonsedvocsosbasessusess 1 3 SUPPly FreQUEN CY ssicsssesssccacccoscedesvsscernsesassensssevoesecteccsntcedersbectecssehaceenadecbbsodebasdensacedbacseiersosconade 3 1 SUP PO
61. Conditions 7 3 1 Measurement Range R 0 01mUQ to gt 2GQ L__0 1nH to gt 1000H C 5S5fF to gt 1F Varies with measurement speed 7 3 2 Frequency AC Measurements Accuracy of selected frequency 0 01 Coarse step mode 20 25 30 40 50 60 80 100 120 150 200 repeated in each decade Fine step mode gt 1800 frequencies between 20Hz and 3MHz with increments lt 1 over entire range 7 3 3 Drive Level Source impedance 50Q 1mV to 10V rms into open circuit SOuA to 200mA rms into short circuit ALC ensures level at DUT is 2 1mV of set voltage or 2 0 1mA of set current 7 4 Specification 7 3 4 DC Bias Current Impedance modes only 1mA to 1A from internal DC bias supply over the full temperature range Accuracy of set current 2 0 25mA Voltage compliance 20V minimum Safety interlock provision 7 3 5 Insulation Option Selectable test voltages of 100 200 or 500V DC For user safety short circuit current is limited to lt 2mA Test voltage accuracy 1 7 3 6 LF Telecom Option Frequency Range 100Hz to 20kHz Drive Level Setting 28dBm to 16dBm 0 1dBm steps Line Impedance Zo 50Q to 20000 Secondary Termination 50Q to 2000Q Damping Components 4 digit accuracy 7 4 Basic Accuracy The following applies for medium or slow speeds drive level 1V or 20mA Accuracy reduces for lower drive levels or frequencies outside the quoted rang
62. E PEENE TAN AEA EA E 5 22 6 16 6 43 6 44 set parameters seron N EEE E E a E ORE 5 22 LOT E E AE EE EA AOS TE E AEAT 5 24 6 16 6 43 6 48 E e e 5 24 BNC AN NT 3 3 5 1 7 7 EEDS Ct NE Ei 5 3 5 6 5 11 5 16 5 17 5 18 Calstatts A O RO 5 55 Calibration data daa aan 4 9 4 13 4 17 handle o RE 4 23 4 25 HF Lead COmpen Sati OM 0 A a Aa id 4 13 a rn dao Bidens 4 13 4 22 4 23 6 22 6 85 HUMUS A tt leva Ss 5 54 6 10 6 11 6 22 6 86 trimming cocooccccnnonnnons 32 4 11 4 13 4 26 4 28 5 5 5 11 5 14 5 15 5 16 5 34 5 53 SE NT 9 1 Connections MA e Y e 5 3 5 6 5 11 5 16 5 17 5 18 AUX A CM A A A eldecapeeeadialvees 4 2 AUX CONO ar ta 4 2 A TO 42 j E a O E E Lado 3 3 5 1 for transformer telecoms MeasureMentS oooooocconoccnooncconnnnnonnnononncnonnnnonn nn conan ccoo nn nnnanncnn cancion 53 SEKON ia oF i01 EEE AA EA A A EE 5 1 for handler mode cccecssscessceesceessecsecesececececssecseceeeecssecssecsseceeeecssecsaeceseeeeseecsseceseceeeeeeeseecsseenseeees 4 23 5 33 PIB ai toa 42 add lolis e a e Poe eed 4 2 parallel printer A ii ees aha 4 2 powercable S cceccaiceilicaceeesceteteei ta ce da 1 2 3 1 Protocol aoin Ea Ara 3 3 5 1 Salor Tal E 101016 Sy sis a E E T E EIA E a 4 23 5 33 f r insulation Mode aia E Ea E O E E E Ea 5 12 Pl A A aa tio 4 2 Safety tl E baa Goel Mast bal alates ed hace lao 4 2 APT ESOT E OR 4 2 A ee sk ee eae soe Rates 4 16 4 19 4 23 4 24 5 11 5 14 5 16
63. ELECT CASE speed CASE 3 PRINT SLOW CASE 2 PRINT MEDIUM CASE 1 PRINT FAST CASE 0 6 96 General Purpose Interface Bus GPIB PRINT MAX END SELECT END The end This function sends the supplied query to the instrument and reads back the reply and strips the trailing characters FUNCTION GPIBQuery id Query buf SPACES 80 Initialise the buffer CALL IBWRT id Query Query the level CALL IBRD id buf Read in the response GPIBQuery LEFTS buf ibcnt 1 Remove trailing characters END FUNCTION General Purpose Interface Bus GPIB 6 97 6 3 4 Example 4 DECLARE FUNCTION GPIBQuery id Query 1 kkxkxkkkxkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk Program 4 Multi frequency mode Version 1 0 Platform QuickBasic 4 5 Description This program sets up and runs a simple 4 frequency measurement in Multi frequency mode 1 kkxkxkkxkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk SINCLUDE QBDECL BAS National Instruments include file CLS Clear the screen Initialise the GPIB CALL IBFIND WK wk Look for WK CALL IBCLR wk Clear the device Set up the AC test parameters CALL IBWRT wk IMP Measurement mode CALL IBWRT wk IMP FUNC AC Select AC measurements CALL IBWRT wk IMP FUNC C D Select C D measurements Go to multi frequency mode CALL IBWRT wk MULTI Multi
64. IAS lt disc gt Set the bias condition Parameters ON Turn on bias OFF Turn off bias INT Select internal bias drive EEXT Select external bias drive Example HAN BIAS INT HAN BIAS ON will select internal bias and turn it on Response None HAN BIAS HAN BIAS STATus Bias level query Returns the current bias status Parameters Parameters None None Response Response Returns the bias as a floating point Returns bias status in two integers number delimited by a comma First integer 0 Bias OFF 1 Bias ON Second integer 0 Internal bias 1 External bias Example 1 0 would indicate that internal bias is turned on 6 54 General Purpose Interface Bus GPIB HANDLER MODE HAN SPEED lt disc gt HAN SPEED Select the required measurement speed Measurement speed query Parameters Parameters MAX Maximum speed None FAST Fast estepect Response nee Mediumi speed Returns the test speed as an integer SLOW Slow speed according to the table Example HAN SPEED MAX Maximum will select maximum speed for Fast measurements Mediona Response Slow None Example 1 indicates that Fast measurements are selected HAN RANGE lt disc gt HAN RANGE Select the required measurement range Range query Parameters Parameters The following parameters are valid None AUTO Auto ranging Response ne Holas Returns the measurement range as an 1 to 7 Range 1 to 7 integer acc
65. K PAO lt 1MHz Curve B Curve C Curve C Curve C 10 100 1000 10000 100000 1000000 10000000 Frequency Hz 1 4 All Curve C Curve C Figure 5 5 Effect of shunt loading on current terminal The main effect of adding Zs alone is to reduce the available drive signal When measuring high impedances this effect is dominated by the fixed 50Q output impedance of the signal source For example a shunt resistance of 50Q may be expected to halve the available output level When measuring components with an impedance below 50Q the degree of reduction will be less Note that when ALC is turned ON see section 4 7 2 the displayed level will always correspond to the actual level at the measurement terminals When Zd and Zs are connected simultaneously an additional measurement error occurs due to the impedance of the guard lead Zg This error may become significant if the DUT is larger than Zd and Zs and is given by DUT x Zd Zs x Zd At low frequencies Zg is up to 40mQ for lead types 1EVA40100 1EVA40180 or LEV1505 At frequencies above 10kHz the series inductance which depends to some extent on lead and component positioning may become significant For lowest inductance minimize the area of the loop formed by the Red current detector lead via Zd and the Green lead to neutral In this case the inductance should not exceed 0 25uH Error 100 x Note that at low frequencies lt 2kHz the effective guard resistance can be reduced by a
66. LATION Advanced Operation 5 9 be employed when the primary impedance is high typically gt 50Q A transparent primary leakage measurement is performed before the turns ratio measurement Because this involves operating relays inside the 3260B normal repetitive measurements are disabled with the ratio correction algorithm operating Ratio correction is NOT automatically performed by the instrument Instead the user must set it ON or OFF and define whether the transformer is a normal type floating secondary or an auto transformer one end grounded as this affects the loading corrections This selection is made either from the SETTINGS page see section 5 18 or by using keypad codes 14 15 and 16 when in TRANSFORMER MODE or HANDLER MODE see section 4 2 6 1 If the primary impedance is low the turns ratio correction should be turned OFF If a ratio correction option other than OFF is selected it is displayed when Turns Ratio is selected in TRANSFORMER MODE For step up transformers the measured secondary voltage is limited to 10Vrms Constant current drive is not provided for turns ratio measurements The series DC resistance of the transformer primary winding The series DC resistance of the transformer secondary winding The series leakage inductance and resistance of the transistor primary winding Best results will be obtained by short circuiting the transformer secondary winding s A message is displayed to this effect
67. Low Magnetisation function is disabled 5 19 The CAL STATUS Page The CAL STATUS page shown in Figure 5 54 is displayed by pressing the CAL STATUS soft key from the MAIN MENU In the Calibration status area J indicates that the named calibration has been performed and is valid x indicates that the named calibration has not been performed or is not valid The Trim status area shows the trims that have been performed and which conditions were used for trimming The Trim column lists the possible trims The Freq column displays No trim Spot trim or All freq to show the kind of trim performed The Spot column shows None of no trim has been performed If a spot trim is performed the Spot column shows the frequency the spot trim was performed at If the trim was performed with the All freq setting the Spot column shown the frequency set in IMPEDANCE MODE when the trim was performed the analyzer trims at this frequency in addition to the normal trim frequencies when an All freq trim is performed The Connect column shows 4 term or 2 term depending on whether the trim was performed in 2 or 4 terminal mode Advanced Operation 5 53 Precision Magnetics Analyzer PMASZ60B Software Version 4 10 Oct 05 2000 Calibration status SOHz power line Self Cal x HF Comp Impedance x Handler x Factory Cal Impedance x Handler x 07C Boost No S C Boost No Figure 5 54 The CAL STATUS Page General Purpose Interface Bus GPIB 6 1 6 GENERAL
68. MODE 98 36 uH 24 32 Q Show Scale Ene Love i 10 000kHz Measurement DC Bias LevellO N OFF DC Bias 0 000 A OFF NORM Frequency Range Range Auto Hide Setup Speed Speed Med ALC off p CALIBRATE ALC onloff Bias NORM BOOST Figure 4 34 Non Soft Key IMPEDANCE MODE Parameters Drive Level Only available when AC Meas is selected Set by highlighting the parameter with the and navigation keys then altering the setting in pre determined steps with the and navigation keys or by using the data entry keypad The range is Rdc Meas mode Drive Level not displayed Fixed at 100mV short circuit current 10mA AC Meas mode Variable between 1mV 10V or SOUA 200mA appropriate for low impedance components See also ALC below Measurement Frequency Set by highlighting the parameter with the and navigation keys then altering the setting in pre determined steps with the and navigation keys or by finer increments using the data entry keypad The range is 20Hz to 3MHz Fine or coarse frequency steps are available Coarse steps vary in increments of between 20 and 33 fine steps vary in increments of 1 or less Set fine or coarse steps from the SETTINGS page see section 5 18 or use code 10 fine steps or code 11 coarse steps see section 4 2 6 4 32 Operation DC Bias Range Speed The DC Bias is turned ON and OFF with the Bias control key Before bias can be turned ON the level must be set by highligh
69. N 1 Bias ON will select internal bias and turn it on Second integer 0 Internal bias 1 External bias Response None Example 1 0 would indicate that internal voltage bias is turned on IMP SPEED lt disc gt IMP SPEED Select the required measurement speed Returns the current test speed Parameters Parameters MAX Maximum speed None FAST Fast A 5 eepepeed Response MED Medium speed Returns the test speed as an integer SLOW Slow speed according to the table Example IMP SPEED SLOW Maximum will select slow speed for Fast measurements Medium Response Slow None Example 1 indicates that Fast measurements are selected 6 27 General Purpose Interface Bus GPIB IMPEDANCE MODE IMP RANGE lt disc gt Select the measurement range condition for AC and Rdc tests Parameters The following parameters are valid AUTO Auto ranging HOLD Hold current range 1 to 7 Range 1 to 7 Example IMP RANGE 1 IMP RANGE AUTO will select range 1 and auto ranging respectively Response None IMP ALC lt disc gt Select the state of Automatic Level Control for AC tests Parameters The following parameters are valid ALC on ALC off Hold current ALC level ON OFF HOLD Example IMP ALC OFF will turn off ALC Response None IMP RANGE Measurement range query Parameters None Response Returns the measurement range as an integer according to this table 0 Auto rang
70. PIB 6 11 6 1 6 7 Standard Operation Status Event Register This is a 16 bit register each event bit in the event register corresponds to a condition bit in the standard operation status condition register According to SCPI recommendation we define BIT Meaning True 1 True when S C trimming O C trimming or calibration measurement is completed 4 Set true when single shot measurement is completed Other bits are uncommitted and are always 0 6 1 6 8 Encoded Message Register All front panel warnings and messages can be monitored over the GPIB There are also several extra flags otherwise hidden that are of interest to the bus user The encoded message query command returns a string of 8 hexadecimal digits Each digit represents 4 different errors or their combinations The encoded message format is as follows D7 D6 D5 D4 D3 D2 D1 DO DO indicates range or trim errors bit0 Range Error bitl S C Trim Error bit2 O C Trim Error bit3 Calibrate Error D1 is reserved for future expansion D2 indicates errors related to ALC operations bit0 CANNOT SET LEVEL bitl Reserved bit2 ALC HELD bit3 Reserved D3 indicates errors related to data entry bit0 Nearest Available 6 12 General Purpose Interface Bus GPIB bitl Units Mismatched bit2 Connection Error bit3 Reserved D4 is reserved D5 represents errors related to voltage Bias bitO Bias overload Bias Turned Off b
71. Parameters None Response Returns scale setting according to this table 0 Scale hidden 1 Scale visible Example 0 indicates that the scale is currently hidden IMP NOMinal Returns the scale bar graph nominal value Parameters None Response Returns the nominal in engineering format Example 10000000E 01 would indicate a nominal of 10mH if the first nominal unit is Henrys General Purpose Interface Bus GPIB 6 31 IMPEDANCE MODE IMP LIMIT lt disc gt IMP LIMIT Select absolute or percentage scale bar Returns the current scale bar limits type limits Parameters Parameters None The following discrete parameters are valid Response ABS Absolute limits Returns the scale bar limits according Pea to this table PERC Percentage limits 0 Absolute scale Example IMP LIMIT PERC a 1 Percentage scale will select percentage limits Example 0 Response indicates that the scale bar currently None has absolute limits IMP High LIMit lt real gt IMP High LIMit Set the percentage scale bar high limit Returns the current scale bar percentage high limit Parameters The required high limit No unit should Parametern be supplied the nominal unit is used None Example IMP HI LIM 5 0 Response will set a high limit of 5 0 of f The current high limit in engineering nominal format Response Example 25000000E 01 None indicating a high
72. RE and SEFVICE A sosis dest oone So stessu tesos ieSe SSE Soseo E o Suore NEE ESSE eS ESSES 9 2 Telecoms M00 occoocconncoonoconnconnncnnncnnncnnncnnn cono nono cono nono nono nconaconn con nconnccnn conc os snene sieas essene sessen 5 37 COMMECHONS elote 5 3 XUL La NR er E 5 34 Para iia A da 5 36 Transfer standard capacitor ccscccsccscsssseccssccsccccssccsssscseccscesccesssceesscssesccssssceessscsessesees 4 16 SAA tresses stessero esenee reiss or evo sinees oriee oe 5 10 CONEA a ar dl dd 5 3 5 6 SKA terns AA AA leva tts idea rake eater eas ade 5 7 parameters to ata elas 5 8 A EAE 4 7 4 8 6 1 6 14 6 20 6 22 6 24 6 69 6 87 Din Handler Inter ace id ta rie diia 4 8 7 7 external bin handle E o 4 6 A A eats 4 6 4 12 4 27 5 11 5 32 5 42 5 50 query local conditoris sree EE E E E EE AR 6 22 6 87 Set LOCAL CA ico 6 22 6 87 Trigger in CONNECTOL ccscccssscccscesccesesccecsscescccsesccesesceessecsesccsssscesssseeeees 4 2 4 3 4 6 4 27 Trimming vivsssccssiseccscsscesescensescesatsoses 3 2 3 3 4 11 4 20 4 26 4 28 5 53 6 22 6 84 6 85 default Valle iii td ba 4 13 for turns ratio MEASULFEMENHS niir aii iaia EEA EET EREE EE 5 9 fregen a a a bees a A a Aa a a aaa e A R 5 5 insulation MOJAE ococonococonoconnnonanonononocnononannnn nono nocncnnanana nono necrononnananonenos 5 11 5 14 5 15 5 16 ts ca aire Elias 5 5 measurement of very small inductors oooooccnocnnocnononnonnnannnnnnnnan
73. RMER MODE TRAN TEST Secondary LEakage Select Secondary Leakage measurement Parameters None Response None TRAN TEST Capacitance Select interwinding capacitance measurement Parameters None Response None TRAN TRIGger Trigger a specified type of measurement and return results Parameters None Response The measurement result as displayed Multiple results L Q Leakage will be separated by commas Example 5 0E 0 would indicate a turns ratio of 5 1 6 36 General Purpose Interface Bus GPIB TRANSFORMER MODE TRAN FREQuency lt real gt Set frequency of test selected Parameters The required test frequency in Hertz The unit suffix Hz is optional Suffix multipliers K M G may be used Example TRAN FREQ 1k TRAN FREQ 1000 Hz TRAN FREQ 1E3 are all equivalent commands and set the test frequency to 1kHz Response None TRAN LEVel lt real gt Set AC level of test selected Parameters Supply the required level in either Volts or Amps If no suffix is stated the previous type of drive is set Note Current drive is not available in Turns Ratio tests Example TRAN LEV 1 2V TRAN LEV 1E 2A will select levels of 1 2V and 10mA respectively Response None TRAN FREQuency Frequency query Parameters None Response Return the current test frequency in Hz as floating point number Example 2 50E2 for
74. RT id Query Query the level CALL IBRD id buf Read in the response GPIBQuery LEFTS buf ibcnt 1 Remove trailing characters END FUNCTION Specification 7 1 7 SPECIFICATION 7 1 Measurement Functions Any of the following parameters may be measured and displayed 7 1 1 IMPEDANCE MODE DC Resistance AC Parameters Series or Parallel Equivalent Circuit C R C D C Q L R L D L Q Polar Form Z angle 7 1 2 HANDLER MODE DC Resistance AC Parameters Series or Parallel Equivalent Circuit C R C D C Q L R L D L Q Polar Form Z angle 7 1 3 TRANSFORMER MODE DC Resistance Primary or Secondary Windings AC Parameters Primary L Q Primary Leakage Inductance Secondary Leakage Inductance Interwinding Capacitance Pri Sec Turns Ratio Np Ns Ns Np and Ns with Np entered before measurement 7 1 4 RESONANCE MODE Frequency L R and Q for series or parallel circuits Results may be extrapolated if resonance is not found within frequency range specified 7 1 5 DEMAGNETISATION MODE Enables a component to be demagnetized 7 1 6 INSULATION MODE Option Pri Sec Pri Gnd Sec Gnd 7 2 Specification 7 1 7 BINNING MODE L Q Pri L R Pri L R Sec C D Pri Z 0 Pri Ns Np Sec Leakage L Pri Leakage L Sec Cs p Sec Pri Rdc Pri Rdc Sec Ns Sec Ins Pri Sec requires Insulation Option Ins Pri GND requires Insulation Option Ins Sec GND requir
75. TE either from the MAIN MENU or from a mode which has CALIBRATE as an option in which case pressing the bottommost soft key which will be labelled with the name of the original mode e g IMPEDANCE TRANSFORMER will 4 20 Operation 2 3 4 return the analyzer to that mode The analyzer will enter CALIBRATE MODE shown in Figure 4 17 Select the HF Lead Compensation soft key The following message will be displayed HAVE YOU DONE BOTH 0 C AND S C TRIMS WITH CONNECTING LEADS IN PLACE If so connect the transfer standard capacitor Then press key to start Figure 4 22 HF Lead Compensation Assuming that O C and S C trims have already been performed connect the transfer standard capacitor supplied with the instrument to the Kelvin clips or fixture jaws Press the START soft key When the CALIBRATE MODE main screen is redisplayed HF lead compensation has finished Notes 1 If the HF lead compensation routine fails for any reason e g a test lead connection error or a power failure during the routine Figure 4 18 above may be displayed when the instrument is next switched ON and Figure 4 23 will be displayed every time the instrument is switched ON When component measuring modes are selected Calibrate Error will be displayed at the top of the screen when the measurement frequency is set to 200kHz or above These messages will only be cleared by successfully performing the HF lead compensation routine p
76. The required capacitor value in Farads Response Example TEL CB 47E 6 p The capacitor value in engineering sets the damping capacitor to 47uF format Response Example 220000000E 04 None indicating a blocking capacitor value of 22uF General Purpose Interface Bus GPIB 6 65 MULTI FREQUENCY MODE MULTI Select multi frequency mode Parameters None Response None MULTI SET Switch to the multi frequency set up page Parameters None Response None MULTI RUN Switch to the multi frequency run page Parameters None Response None MULTI TEST Select the frequency step to edit Parameters The frequency number in the range 0 to a Example MULTI TEST 0 will select the top frequency for editing Response None MULTI TEST Return the number of the step that is currently being edited Parameters None Response The frequency number in the range 0 to T Example 7 would indicate the last frequency is selected for editing 6 66 General Purpose Interface Bus GPIB MULTI FREQUENCY MODE MULTI FREQuency lt real gt Set the frequency for the currently selected step Parameters The required frequency in Hertz The unit suffix Hz is optional Example MEAS FREQ 1k will set the selected frequency to 1kHz Response None MULTI High LIMit lt real gt Set the higher test limit of the currently selected step
77. UT Optional screen Fixture ve Fixture ve Optional screen Fixture ve Fixture ve connection connection The four cables should be laced together Figure 3 3 2 Terminal Measurement with RED and BROWN diagonally opposite within the harness as shown below Sy e Figure 3 2 4 Terminal Measurement Operation 4 1 4 OPERATION WARNING This equipment is intended for use by suitably trained and competent persons This product can cause hazards if it is not used in accordance with these instructions Read them carefully and follow them in all respects Double check connections to the unit before use DO NOT USE THIS EQUIPMENT IF IT IS DAMAGED 4 1 The Rear Panel Bias Safety Interlock Bin Handler Trigger in wim Parallel Printer Voltage e OF o FE GPIB o Fuse Holder Auxiliary IEC power inlet Auxiliary AC Out Heatsink Control Out Auxiliary In Figure 4 1 The 3260B Rear Panel 4 1 1 Voltage Selector The instrument can be operated from an AC power source of either 115V or 230V Before applying AC power to the IEC socket ensure that the voltage selector switch is set to the voltage of the local AC power supply 4 1 2 IEC Socket and Fuse Holder Please read section 1 2 AC Power Supply before connecting the IEC socket to the AC po
78. Y axis scale to the current measurement data Parameters None Response None GRAPH TRIG Start plotting a graph with the current settings Parameters None Response None 6 78 General Purpose Interface Bus GPIB GRAPH MODE GRAPH PEAK Move the marker to the highest point on the current graph Parameters None Response None GRAPH DIP Move the marker to the lowest point on the current graph Parameters None Response None GRAPH PRINT Print the current graph on an Epson compatible printer Parameters None Response None General Purpose Interface Bus GPIB 6 79 GRAPH MODE GRAPH TEST lt disc gt Set the test type Parameters The required test type 1 Impedance 2 Transformer Example GRAPH TEST 2 will select transformer measurements Response None GRAPH TYPE lt disc gt Set the sweep parameter Parameters The required sweep type Frequency Level Internal Bias External Bias BOOST Example GRAPH TYPE 1 will select a frequency sweep GRAPH TEST Query the test type Parameters None Response The required test type 1 Impedance 2 Transformer GRAPH TYPE Query the sweep parameter Parameters None Response The selected sweep parameter Frequency Level Internal Bias External Bias 6 80 General Purpose Interface Bus GPIB RESONANCE MODE RESOnance En
79. ad to the transformer secondary Figure 5 13 Active Connections for 2 TERM INSULATION MODE Pri Sec Primary BNC Connectors Secondary BNC Connectors INSTRUMENT Ea Brown Brown not used not used not used not used not used not used Sense Low Sense Low Leads marked not used may be left connected to the analyzer but are not used for the insulation test Connect the Primary BROWN lead to the transformer primary and the Secondary BROWN lead to the transformer secondary Figure 5 14 Active Connections for 4 TERM INSULATION MODE Pri Sec 5 8 2 Trimming For INSULATION MODE operation trimming compensates for any residual leakage current in the test leads or fixture For maximum accuracy the trimming operation should be performed with the test leads connected to the instrument but isolated from each other WARNING 5 14 Advanced Operation The test connections are at a high voltage during this trim While high voltage is applied a message shown in Figure 5 15 below will be displayed on the screen To minimize the risk of electric shock AVOID TOUCHING THE TEST CONNECTIONS DURING THE TRIMMING OPERATION AEREA Figure 5 15 High Voltage ON warning When trimming for manual operation 1 2 3 Ensure that the measurement leads fixture are connected to the analyzer according to the connection protocol shown in Figure 5 2 Ensure 2 terminal or 4 terminal operation is selected as required for subsequent meas
80. an integer in the range 0 to 255 Bit 6 represents Master Summary Status rather than Request Service IDN Identification Query Returns the data identifying the instrument e g the data output will be WAYNE KERR 3260B 0 1 0 where the first field is the manufacturer then the model number then a zero and the software revision number here represented as Issue 1 0 RST Reset Resets the instrument to a default setting This command is equivalent to a power up reset TRG Trigger Triggers a direct measurement but does not return the results to the controller This is the same as a GET Group Execute Trigger command Option Identification Query Returns the hardware options installed in the instrument Operation Complete Command Sets the OPC bit of the ESR register OPC Operation Complete Query Always returns 1 as instrument commands are always processed sequentially WAI Wait to continue Command has no effect as commands are processed sequentially 6 1 8 Standard Operation Status Commands Refer to section 6 1 6 for an explanation of the following commands Read Status Operation bi e STATus OPERation CON Condition register Read Status Operation i STATus OPERation EVENt Event register Set Status Operation STATus OPERation ENABle lt NR1 gt Enable Register 6 14 General Purpose Interface Bus GPIB 6 2 Device Specific Commands The sub system commands are grouped in different modes simi
81. ance of 40nH The known inductance of the wire used for the S C trim should be subtracted from the measured DUT inductance A similar stable fixture arrangement should be used for four terminal measurements of surface mount or leadless components contact the Wayne Kerr Electronics Applications Department if this kind of fixture is required The Q is always low but self capacitance is not normally a problem at the analyzer s measurement frequencies For best inductance measurement results make the measurement at 200kHz in series configuration Where possible make the measurements at an AC level of 100mA which is the level used during trimming When an inductor is measured at a frequency much lower than that for which it is designed e g an HF choke tested at AF it will tend to behave as an inductive resistor In these circumstances the inductance measurement accuracy is widened by the factor 1 1 Q Air cored coils are particularly susceptible to noise pick up and should be kept well clear of any test equipment that may contain power transformers or display scan circuitry Also avoid proximity to metal objects which may modify inductor characteristics Whenever possible measure at 10kHz If low frequency measurements are required and trouble persists use slow measurement speed 5 5 Measurement of Iron Cored and Ferrite Inductors The effective value of iron cored and ferrite inductors can vary widely with the magnetization and th
82. ation status Parameters None Response The selected low magnetization state 0 OFF 1 ON 6 92 General Purpose Interface Bus GPIB The following examples are written for Microsoft QuickBasic 4 5 running on a PC with a National Instruments GPIB controller The programs are short and can be readily converted to another language platform as their function is primarily to illustrate the use of the instrument GPIB commands Example 1 Simple identification query use this program to establish that the GPIB configuration is correct Example 2 Simple measurement program This program triggers a single AC measurement and displays the result Example 3 Simple querying example This program interrogates the instrument and display the current values for a number of AC measurement settings Example 4 Multi frequency example for AC tests This program sets up a 4 measurement multi frequency test and displays the results from a single trigger Example 5 Performs a graphical sweep of impedance from 20 400kHz and finds the lowest impedance value It also takes a screenshot of the graph to a file General Purpose Interface Bus GPIB 6 93 6 3 1 Example 1 1 kkxkxkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk Program 1 Simple GPIB operation check Version 1 0 Platform QuickBasic 4 5 Description This program will ask the instrument to identify itself It assumes the instrument is called WK in t
83. ay the SEQUENCE FILE screen See section 5 10 1 1 Sequence File Screen Use the and navigation keys to scroll through the program list and highlight the program to be labelled Select the Label soft key Use the navigation keys to select each label character followed by the keypad Enter key for confirmation To cancel the last character entered use the Delete soft key To store the label with the program select the Ok softkey 5 10 1 5 Saving an Existing Program It is a good idea to regularly save a program during editing 1 2 3 Display the SEQUENCE FILE screen See section 5 10 1 1 Sequence File Screen Select the Save softkey To overwrite the loaded test file press the Enter key on the keypad Select the Yes softkey when prompted to confirm an existing file overwrite or No to abort 5 10 1 6 Copying an Existing Program 1 2 3 4 Display the SEQUENCE FILE screen See section 5 10 1 1 Sequence File Screen Use the and navigation keys to scroll through the list and press the Load soft key when the desired program is highlighted Select the Save softkey Enter a unique program number in the Save As field at the bottom of the screen and confirm the program number by pressing the Enter key A label may be added to the program number See section Adding a Test Program Label 5 10 1 7 Deleting a Program 1 2 3 4 Display the SEQUENCE FILE screen See section 5 10 1 1 Sequence File Screen Use the an
84. be displayed at the top of the screen and no trim corrections will be applied for the frequency selected The analyzer can be used without trim correction but full measurement accuracy will not be available until the analyzer is retrimmed using an option which covers the new measurement frequency 4 3 2 Performing an O C Trim Pri Sec This trim is required for transformer and insulation measurements If using Kelvin clip leads two sets of leads are required 1 Select CALIBRATE either from the MAIN MENU or from a mode which has CALIBRATE as an option in which case pressing the bottommost soft key which will be labelled with the name of the original mode e g IMPEDANCE TRANSFORMER will return the analyzer to that mode The analyzer will enter CALIBRATE MODE shown in Figure 4 17 2 Select O C Trim Pri Sec 3 If using two sets of Kelvin clip leads connect one set of leads to the Primary BNC connectors and the other set of leads to the Secondary BNC connectors If using other 4 5 Operation 4 19 measurement leads connect them to the Primary and Secondary BNC connectors as appropriate Open circuit the Kelvin clips see Figure 4 15 or fixture jaws Select the trim option required and wait until the analyzer has finished trimming The trim options are described in section 4 3 1 1 WARNING If the optional INSULATION MODE is fitted part of the O C Trim Pri Sec performs an INSULATION MODE trim The test connectio
85. be shown viewed Parameters The following values are valid 1 Plot 1 measurement 2 Plot 2 measurement Response None GRAPH STEP lt integer gt Select the number of pixels between each measured point on the graph Parameters The following values are valid Step Value Size 1 1 Slowest Most accurate 2 2 3 4 4 8 Fastest Most interpolated GRAPH STEP 3 would set the plot to take a measurement at every 4 pixels on the graph and interpolate between them Example Response None GRAPH TERM Query the current measurement selection Parameters None Response 1 1 measurement 2 2 measurement Example 2 would for example indicate that the Angle measurement would be displayed if the selected measurements were Z Angle GRAPH STEP Query the current step size for the plot Parameters None Response The step size in pixels Example 4 would indicate that a measurement will be taken every 4 pixels when the graph is plotted General Purpose Interface Bus GPIB 6 77 GRAPH MODE GRAPH SET Go to the graph mode set up page Parameters None Response None GRAPH VIEW Redraw the graph This command is useful for viewing the graph after switching between the two measurements without plotting the graph again fully Otherwise the display would be left in the set up page Parameters None Response None GRAPH FIT Fit the
86. by setting the appropriate limits to zero 5 14 1 1 Example This example will illustrate the procedure for setting MULTI FREQ parameters using different limits for each set frequency The sequence used in this example is not the only way to set the parameters but is intended to familiarize the user with this mode of operation For this illustration percentage limits will be used 1 Enter MULTI FREQ Set mode by pressing the MULTI FREQ soft key from the MAIN MENU If MULTI FREQ Run mode is displayed press the SET soft key If no parameters have previously been set the display will look like Figure 5 40 above 2 If the test leads or fixture have been changed since the last time the analyzer was used press the CALIBRATE soft key and perform the following trims with reference to sections 4 3 and 4 4 1 When finished press the MULTI FREQ soft key to return to MULTI FREQ Set mode O C Trim Pri S C Trim Pri HF Lead Compensation 3 Use the Off Abs soft key to highlight This sets the display ready to accept percentage limits 4 Press the IMPEDANCE soft key This will return the instrument to IMPEDANCE MODE where the appropriate measurement parameters must be set prior to running a MULTI FREQ test Enter the parameters required for the test For this example they are set to AC Meas L Q Parallel 1 00Vac 1 0000kHz this will be the first set frequency in MULTI FREQ Set mode DC Bias 0 000 A OFF NORM Range Aut
87. ced Operation 5 19 BINNING MODE Set Type of test Ns Np Sec Bin High x Low z e Nominal BIN SORT BIN COUNT 0 1 2 3 4 5 6 T 8 000000000 2200000009 INDOOR o ooo 1 0000 Set Test 10 000kHz Set Bin Set Condition CALIBRATE Speed Max ALC on Figure 5 17 BINNING MODE Set Main Screen In Figure 5 17 above the bins are shown ready to receive percentage limits Absolute limits can be entered by highlighting Abs with the Abs soft key Either nested or stacked limits can be entered When entering nested limits the second limit in a row can be entered by highlighting it and pressing the keypad Enter key twice This mimics the setting of the first limit but with the opposite sign Since the analyzer will accept one set of percentage limits and another set of absolute limits it is possible to enter a set of nested percentage limits and a set of stacked absolute limits or vice versa The only limitation to this is that the minor term when displayed is common to both percentage and absolute limits When using percentage limits the nominal component value must also be entered by pressing the Nominal soft key then entering the nominal component value with the data entry keypad Any limit set to zero is ignored during subsequent sorting Bins can therefore be set up with no minor term limit The minor term limit is a single maximum or minimum value as appropriate e g Q would have a minimum limit ind
88. cnccnnncnnonos 5 19 Figure 5 20 BINNING MODE Set Reset Warning occocccoconcnonncoconononncnncnononncnnconccnncnnccnnonos 5 20 Figure 5 21 BINNING MODE Set Measurement Options coooooccioccconoconoconoconoconacannnnnnonars 521 Figure 5 22 Unit Not Available Message cccccccssessseesseeeecsecsneeeseecsseceseceseesseeseeenseenaeeaes 5 21 Figure 5 23 BINNING MODE S01 a 5 22 Figure 5 24 Delete Last Result Message cccscccssccssecsnseeseeseecseceseceseceeeeeseenseeeeeseeeseeeeaes 5 22 Figure 5 25 BINNING MODE Coutit tt ai 5 23 Figure 5 26 Delete Bin Counts Warming 0 ccceeccescceceeseesececeeseeeecaecaeeaecaeeeneesecnaeeaeeeeeaeeas 5 23 Figure 5 27 SEQUENCE EDIT MODE Program Template ooooonnconoccnocononcnoncconaconncannnnnonaos 5 25 Figure 5 28 SEQUENCE EDIT MODE Sequence File ScreeO oooonnnccnincnooccioncnonoconoconocononoos 5 25 Figure 5 29 SEQUENCE EDIT MODE New Program ocococcconoconcconnconnnonnnon nooo ncon nono noconocnnnnnns 5 26 Figure 5 30 SEQUENCE EDIT MODE Program Label ooonooonoccnicnnooononnconncoononnnononoconocononnos 5 26 Figure 5 31 SEQUENCE EDIT MODE Additional Test Step ooooooninocioncnonncoonononoconoconocinonos 5 28 Figure 5 32 SEQUENCE EDIT MODE Change Test Parameter oooonnoninncinncnooncnoncconoconoconncnos 5 29 Figure 5 33 SEQUENCE EDIT MODE Moving a Test SteP ooooononincnnnnncnnnconncnnncconoconocinocno 5 30 Figure 5 34 SEQUENCE RUN MODE Connection ProMpt cooocicnnnnnnonnnon
89. cnn rra nn 4 12 O o e a E a cease EE AE A A EE E E N E oneteads 4 16 4 3 1 Performing an O C Trim Pri or S C Trim Pri oionnnninnnnnnninnnnnnonnnonnconnnacancns 4 17 4 3 2 Performing an O C Trim Pri Sec ooioiinnnnnnnnnininnnoncconccaccnanerar narran rra ran rana 4 18 4 3 3 Performing an S C Trim Sec cccccccccccccecscessceeseeesceeeeeeeteeeeceecaeecssesaeeaesnseeneeeaeees 4 19 4 4 HF Lead Compensation cccccccccsccesscesscesseeesecseecseeeeeceesseeeaeeeseeeseecsaeceecsaecesecnaeenseenes 4 19 4 4 1 Performing HF Lead Compensation cccccccccccccccscccsccccecetsceee eee eeeee cee cte cee eeeeaees 4 19 A Si Self Calibration nina ci a ai 4 21 4 5 1 Performing Self Calibration ono 4 22 4 6 Handler Calibracion os Dont salten coa Ia Sali ais LAR 4 23 GOLO E TEMAS GC THUM A aces 4 23 4 6 2 HF Lead Compensation ccccccccccccccccecscecsceeseene eens eee eeeeec seca nana 4 25 4 7 Measuring a Component in IMPEDANCE MODE ccooocccnccnocononnnconoconccnnoconacannnnnonanannnos 4 26 ATT Example co cosy a Rescue heats sth ia ias 4 27 4 7 2 IMPEDANCE MODE Parameters cooioninninnniconnccnncccnncinr nr 4 29 5 ADVANCED OPERATION oocicciionciocinoncionionni na ses ossvonssssnoesdeses oveddssonessasenessoveesscsasesadscesons 5 1 S 1 Rront Panel COMNECUONS conti Ani 5 1 did 1 Connection PRO OCO Lic ala cias 5 1 5 1 2 Two Three and Four Terminal COnnections ccccccccccccccccccccccececcccccccesesecceceees 5 2 5 2 MC ircuit Measure
90. cted within the specified frequency limits Figure 5 51 will be displayed and must be acknowledged with either the Yes or No soft key Answering Yes will cause the analyzer to look for a resonance at frequencies up to 2 1 beyond the limits For best accuracy always adjust the limits and repeat if this is possible Accuracy of extrapolated results is undefined as it is not possible to verify the validity of the circuit model If no resonance is detected or if the No soft key was pressed the analyzer will report Resonance not found RESONANCE MODE RESONANCE MODE Search Limits Search Limits 100 RON i K TOODO Find Parallel Stasi ON Find Parallel Resonant F 398 755kHz 44 53nH 18 58m2 6 0038 Figure 5 49 RESONANCE MODE Figure 5 30 RESONANCE MODE Results Figure 5 50 shows the result of a series resonant frequency search on a 10uF capacitor with the bandwidth search limits set to 100Hz and 1MHz Resonance not found Extrapolate Figure 5 51 Resonance Not Found Message Advanced Operation 5 49 5 17 DEMAG MODE DEMAG MODE is used for demagnetizing coils Enter values for Frequency and Start Level then press the Start soft key First the coil is saturated by applying the set Frequency at the Start Level The coil is then demagnetized by slowly reducing the level to zero DEMAG MODE Frequency HERRERA Start Level 10 000 V Figure 5 52 DEMAG MODE 5 17 1 DEMAG MODE Parameters Frequency Set by highlighting th
91. ctions are available by pressing Code followed by a valid code number and terminated with Enter The codes shown below are only available in the mode or menu indicated some are for the use of a service engineer Description Display the character set Press any key to display more characters when all characters have been shown the main menu will be displayed and normal operation can be resumed 0 4 Test the keyboard Load default values of non volatile RAM variables measurement conditions and trim e values Clear sequence programs Load default values of self calibration and HF lead compensation data Enable printer output 9 2 9 3 30 31 32 Disable printer output Print factory calibration data 25 34 4 14 Operation SEQUENCE EDIT MODE Description Print the full list of the current program Code 30 must be entered first from the MAIN MENU page SEQUENCE RUN MODE 3260 Lock unlock keyboard IMPEDANCE TRANSFORMER AND HANDLER IMPEDANCE MODES Select fine frequency steps Select coarse frequency steps Description Select turns ratio correction for normal transformer Select turns ratio correction for auto transformer No turns ratio correction applied BIN SET MODE Select fine frequency steps Select coarse frequency steps Single shot mode Repetitive mode Operation 4 15 BIN SET MODE Print the present bin set up Code 30 must be entered first from the MAIN MENU page St
92. d O Calibration failed Example 1 would indicate that the last trim or calibration was successful General Purpose Interface Bus GPIB 6 87 ROOT COMMANDS TRIGger Trigger a measurement in the current mode Parameters None Response The measurement result depending on the mode LOC TRIG lt disc gt LOC TRIG Select local trigger condition When local Query the local trigger condition trigger is ON the trigger button on the front panel can be used to take a measurement Parameters all other functions being under remote None control Response Parameters The local trigger flag ON Enable local trigger 1 Local trigger enabled OFF Disable local trigger 0 Local trigger disabled Example LOC TRIG ON will allow triggering from the front panel Response None 6 88 General Purpose Interface Bus GPIB ROOT COMMANDS REPeat lt disc gt Enable repetitive measurements when unit is returned to local control Parameters The required state ON Repetitive OFF Single shot Example REP ON will set the unit to repetitive mode when it is returned to local control Response None TERMinal lt integer gt Select 2 or 4 terminal measurements Parameters The required mode 2 2 Terminal 4 4 Terminal Example TERM 4 will select 4 terminal measurement Response None Repeat Query trigger status Parameters None Response The selected
93. d navigation keys then altering the setting in pre determined steps with the and navigation keys or by using the data entry keypad The range 1s 28 0dBm to 16 0dBm Set by highlighting the parameter with the and navigation keys then altering the setting in pre determined steps with the and navigation keys or by finer increments using the data entry keypad The range is 100Hz to 20kHz Fine or coarse frequency steps are available Coarse steps vary in increments of between 20 and 33 fine steps vary in increments of 1 or less Set fine or coarse steps from the SETTINGS page see section 5 18 or use code 10 fine steps or code 11 coarse steps see section 4 2 6 1 The signal source impedance The range is 50 000 to 2 000kQ default 600 0Q The network terminating resistor The range is 50 00Q to 2 000kQ default 600 0Q The network terminating capacitor Only available when Damped termination is selected The range is 0 000F to 9 999TF default 4 700nF 5 36 Advanced Operation Rd The network source resistance Only available when Damped termination is selected The range is 0 0009 to 9 999TQ default 600 00 Cd The network source capacitance Only available when Damped termination is selected The range is 0 000F to 9 999TF default 4 700nF Cb The signal source DC blocking capacitor Only available when Damped termination is selected and Direct Blocked is set to Blocked The range is 0
94. d Because of the low levels of current measured in INSULATION MODE only ranges 1 and 2 are valid Entering a higher range will result in Figure 4 14 above being displayed and the nearest available range being set When the analyzer is set to display units of MQ even though high ohmic values would be expected manual ranges are still limited to 1 or 2 because the analyzer actually measures the leakage current and converts it to ohms before displaying the result 5 9 BINNING MODE Optional BINNING MODE allows components to be sorted into bins according to their measured value and or minor term Bins 0 to 8 contain the sorted components and bin 9 the rejects Binning is normally done in Single shot mode or under GPIB control Using Repetitive mode will disable the Count facility but can be used if this is not required The measurement conditions and test parameters are independent of other modes when the instrument is set to non global test conditions see section 5 18 The SETTINGS Page BINNING MODE is divided into three sections Set Sort and Count 5 9 1 BINNING MODE Set When BINNING is selected from the MAIN MENU the analyzer will display the last binning mode used If BINNING MODE Set is not displayed at the top of the screen press the BIN SET soft key to select it Figure 5 17 shows the BINNING MODE Set main screen set to measure turns ratio against a nominal of 1 with a drive level of 1V AC and a frequency of 10kHz Advan
95. d for measurements of very high or very low impedances e when maximum accuracy is required when switching between modes in which case maximum accuracy will be obtained by trimming from the mode which is to be used for component measurement e when the instrument is switched between 4 terminal and 2 terminal operation e when the instrument is switched to or from HANDLER MODE see section 4 6 Handler Calibration Depending on the trim option selected the analyzer trims by making measurements at a number of frequencies including the measurement frequency in use when the trim was initiated and storing the corrections for each If the measurement frequency is changed the analyzer automatically applies a new correction value by interpolation of the stored values Corrections for the Rdc functions are also stored For O C Trim the Kelvin clips or fixture jaws should be separated by a distance equivalent to the DUT pin separation For S C Trim the connector jaws should be clipped to a piece of wire or a component lead as close together as possible Do not connect the clips directly together this does not provide the necessary 4 terminal short circuit and will lead to trim errors Figure 4 15 Connections for O C trimming of Kelvin clips Figure 4 16 Connections for S C trimming of Kelvin clips For HF Lead Compensation the transfer standard capacitor supplied with the analyzer should be placed in the Kelvin clips or fixture jaws Both O
96. d navigation keys to scroll through the program list and highlight the program to be deleted Select the Delete softkey Program deletion is confirmed by pressing the Yes softkey Abort the deletion process by pressing the No softkey 5 28 Advanced Operation 5 10 2 Sequence Mode Test Program 5 10 2 1 Adding a Test Step SEQUENCE EDIT Test Program 1 Select test Pri L Q Pri L R Sec D Pri Z P Sec 4INs Np Sec Setup 1 0000 U 10 000kHz Bias 0 000 A Parallel Range Auto Delay Os Speed Fast ALC Off Figure 5 31 SEQUENCE EDIT MODE Additional Test Step 1 Open the program to be edited See section 5 10 1 2 Loading an Existing Program 2 Use the and gt navigation keys to select the insertion point of the new test step in the test program The new step will be added to the program after the highlighted test step 3 Press the Add soft key to list the available tests 4 Usethe and navigation keys to highlight the type of test to be added 5 Pressing the Ok soft key adds the test step to the program Notes e New primary winding test steps are always added after the last primary winding test in the list e New secondary winding test steps are always added after the last secondary winding test e New test steps mimic the settings of the step which was highlighted when the new step was added Advanced Operation 5 29 5 10 2 2 Editing a Test Step SEQUENCE EDIT Edit Test Program 1 Move
97. data to specify the number of turns of Np Example HAN FUNC NS 1 will set Np to 1 turn Response None HAN CLRLCD Clear the LCD Display Parameters None Response None HAN XCURSOR lt integer gt Set X cursor pixel position Parameters An integer in the range 0 to 319 Example HAN XCURSOR 20 HAN FUNC NP 2 Np query Parameters None Response Returns the value of Np as floating point number will set the X cursor position 20 pixels from the left of the LCD screen Response None General Purpose Interface Bus GPIB 6 59 HANDLER MODE HAN YCURSOR lt integer gt Set Y cursor pixel position Parameters An integer in the range 0 to 239 Example HAN YCURSOR 60 will set the Y cursor position 60 pixels from the top of the LCD screen Response None HAN DISP SMALL lt string gt Display string in small characters at current cursor position Parameters Any alphanumeric character may be used within the string Upper case characters only Example HAN DISP SMALL THIS IS A LOWER CASE STRING will display this is a lower case string at the current cursor position HAN DISP LARGE lt string gt Display string in large characters at current cursor position Parameters Any alphanumeric character may be used within the string Upper case characters only Example HAN DISP LARGE THIS IS AN UPPER CASE STRING will display THIS IS AN UPPER CASE STRING at
98. e At fast speed the same accuracy applies except at 100Hz or for component values within 10 1 of the range limits quoted 7 4 1 Rdc 0 20 to 500kQ 0 5 7 4 2 L R Z C Refer to the accuracy chart 7 4 3 Dissipation Factor D A 1 D where Ay accuracy 100 Varies with frequency and option chosen 7 4 4 Quality Factor Q AL Q 1 Q where A measurement accuracy Specification 7 5 Varies with frequency and option chosen 7 4 5 Insulation Option For leakage currents 0 SuA to ImA 5 Corresponding resistance range at 500V 500kQ to 1GQ 7 4 6 Insertion Loss LF Telecom Option 0 to 3dB 0 1dB 3 to 6dB 0 2dB 7 4 7 Return Loss LF Telecom Option Specification applies if both Zo and Rt 21500 Return loss accuracy is not guaranteed above 10kHz Uncertainties are doubled for Zo or Rt values down to 50Q Frequency Range 200Hz to 5KHz 0to40dB 1dB Up to 45dB 2dB Up to 50dB 3dB Frequency Range 100 to 200Hz or 5kHz to 10kHz 0Oto35dB 2dB 7 6 Specification 7 4 8 Accuracy Chart 1000H L Accuracy Chart Medium or Slow Speed Bias off Minimum level 200mV 20Hz to 250Hz Impedance lt 5Q Minimum Level 20 m 100H 10H 100mH Inductance 1 10mH 1mH 1004H 2 10H 1
99. e Interface Bus GPIB Calibrating Settling Ranging 0 1 2 3 Measuring 4 5 6 7 8 Always Zero 15 STATus OPERation CONdition gt STATus OPERation EVENt m STATus OPERation ENABle lt NR1 gt Event register is updated on transition of condition register Event register is masked by the enable register then ORed into a summary bit Bit 7 of Status Byte Figure 6 8 Standard Operation Status Group 6 1 6 5 Standard Operation Status Group The standard operation status group provides information about the state of the measurement systems in the instrument This status group is accessed through the STATus subsystem Standard operation status includes a condition register event register and an enable register Figure 6 8 illustrates the structure of standard operation status 6 1 6 6 Standard Operation Status Condition Register This is a 16 bit register gathering information about the state of the measurement systems in an instrument According to SCPI recommendation we define BIT Meaning True 1 Calibrating bit which is true when S C trimming O C trimming or calibrating is in progress and otherwise reset Measuring bit which is true when measurement is in progress and otherwise reset Other bits are unused and are 0 General Purpose Interface Bus G
100. e Stop frequency with the or navigation key and enter the required frequency with the data entry keypad For this example 600kHz will be entered Highlight Step Size with the or navigation key then use the and navigation keys to select 1 2 4 or 8 For this example 2 is selected Highlight the Mode parameter with the or navigation key then using the and navigation keys set 1t to Impedance 5 46 Advanced Operation 7 Press the IMPEDANCE soft key This will display IMPEDANCE MODE where the appropriate parameters must be set prior to plotting the graph Enter the parameters required for the test For this example they are set to AC Meas L R 1 00Vac 1 0000kHz this setting will be overridden when the graph is plotted DC Bias 0 000 A OFF NORM Range Auto Speed Med ALC off When the measurement parameters have been set press the RETURN soft key to return the instrument to GRAPH MODE Set 8 Highlight the L and R Hi and Lo limits with the or navigation key then set each in turn with the data entry keypad For this example they will be set to L Hi 100 00m Lo 100 00m R Hi 20 0000 Lo 1 0002 9 Use the Lin Hz Log Hz soft key to highlight Lin Hz 10 Use the Abs soft key to highlight Abs The screen should now look like Figure 5 45 11 If necessary press the CALIBRATE soft key and perform the appropriate trims for the Mode selected See section 4 3 for details of the trim procedure 12 Connect the
101. e current AC test frequency Parameters Parameters The required frequency in Hertz The None unit suffix Hz is optional Response Example IMP FREQ 1k Returns the current test frequency in engineering format Example 10000000E 04 IMP FREQ 1000 Hz IMP FREQ 1E3 are all equivalent commands and set for a test frequency of 1kHz the test frequency to 1kHz Response None General Purpose Interface Bus GPIB 6 25 IMPEDANCE MODE IMP LEVel lt real gt IMP LEVel Set the AC drive level Returns the AC drive level Parameters Parameters For AC tests supply the required drive None level in either Volts or Amps Response Example IMP LEV 1 2V Returns the current test level in engineering format Example 20000000E 01 IMP LEV 1E 2A will select drive levels of 1 2V and 10mA respectively for a test level of 20mV Response None IMP DRIVE Test level drive type query Parameters None Response 0 Current drive 255 Voltage drive 6 26 General Purpose Interface Bus GPIB IMPEDANCE MODE IMP BIAS lt disc gt IMP BIAS STATus Set the voltage bias condition Returns the current bias status Parameters Parameters ON Turn on bias None OFF Turn off bias Response ANS Select intemal igs Returns bias status in two integers EEXT Select external bias delimited by a comma Example IMP BIAS INT First integer 0 Bias OFF IMP BIAS O
102. e drive level source impedance is 500 measuring a component which has an impedance of 1000 will reduce the drive level by 50 Lx 100 33 3 50 100 The level indicated on the display however corresponds to the open circuit voltage or short circuit current at the test fixture When ALC on is selected the analyzer will try to maintain the selected drive level at the component If due to the impedance of the component being measured it is unable to maintain the set drive level a message such as Figure 4 35 will be displayed at the top of the display If the drive level is diminished to such an extent that measurement of the component is impossible Figure 4 36 will be reported instead This will happen if the measure terminals are short circuited with voltage drive selected or if they are open circuited with current drive selected Nearest Level 9 90V Figure 4 35 Nearest Drive Level Warning Cannot Set Level Figure 4 36 Cannot Set Level Warning ALC hold is intended for the fastest possible repetitive measurement either manually or under GPIB control of components which should have the same impedance value If when a representative component is measured with ALC on ALC hold is then selected the drive level voltage is maintained at the 4 34 Operation drive source Therefore the drive level at the fixture jaws will rise when a component is removed and will return to the correct level when a new component of
103. e expected to interact with any other instrument settings in the same way 6 1 5 Data Output 6 1 5 1 Output Syntax For each query which generates an output response a Response Message Unit RMU will be generated This consists of a string of numbers or alphanumeric characters if more than one RMU is generated they will be delimited with a semicolon The terminator line feed and EOI asserted indicates the end of data output All characters will be upper case j RMU i Figure 6 3 GPIB Data Output General Purpose Interface Bus GPIB 6 1 5 2 Multiple Items Some commands will generate an RMU containing more than one item of data e g TRIG will generate a first and second result In this case each item of response data will be separated by a comma Note that the maximum number of characters that can be output is 256 any data beyond this will be lost If the command string contained multiple queries then the response will contain multiple i ALPHA 4 E REAL 5 t INTEGER i Figure 6 4 GPIB RMU Structure RMUs each of which will be separated by a semicolon 6 1 5 3 Numeric Format The format of numeric results will correspond to that used for the instrument display with the engineering multiplier if any replaced by an equivalent 10 s exponent If the FAST GPIB mode is being used then numbers will be output in a raw engineering format 6 1 6 Status Reporting 6 1 6 1 Status byte The status byte is used to summar
104. e insulation test Connect the BROWN lead to the transformer primary and the GREEN CLIP LEAD to the transformer metal case or shell Figure 5 10 Active Connection for 4 TERM INSULATION MODE Pri GND Mea Ia FE E exa ET INSTRUM a orange venom Grange Yelow LEADS not used not used not used not used not used not used not used Drive Low Leads marked not used may be left connected to the analyzer but are not used for the insulation test Connect the RED lead to the transformer secondary and the GREEN CLIP LEAD to the transformer metal case or shell Figure 5 11 Active Connection for 2 TERM INSULATION MODE Sec GND Advanced Operation 5 13 Primary BNC Connectors Secondary BNC Connectors INSTRUMENT Aca Brown LEADS not used not used not used not used not used not used not used Sense Low Leads marked not used may be left connected to the analyzer but are not used for the insulation test Connect the BROWN lead to the transformer secondary and the GREEN CLIP LEAD to the transformer metal case or shell Figure 5 12 Active Connection for 4 TERM INSULATION MODE Sec GND Primary BNC Connectors Secondary BNC Connectors INSTRUMENT Red not used not used Drive Low Red LEADS not used not used not used not used Drive Low Leads marked not used may be left connected to the analyzer but are not used for the insulation test Connect the Primary RED lead to the transformer primary and the Secondary RED le
105. e parameter with the and navigation keys then altering the setting in pre determined steps with the and navigation keys or by finer increments using the data entry keypad The range is 20Hz to 3MHz Start Level Set by highlighting the parameter with the and navigation keys then altering the setting in pre determined steps with the and navigation keys or by using the data entry keypad The range is 1mV to 10V At frequencies above 300kHz the maximum start level is restricted 5 18 The SETTINGS Page The SETTINGS page shown in Figure 5 53 is displayed by pressing the SETTINGS soft key from the MAIN MENU J indicates that an option is fitted 5 50 Advanced Operation Precision Magnetics Analyzer FPMASZ60B Software Version 4 10 Oct 05 2000 Available options Insulation test J Component Analysis J Bin handler J External Bias OA Telecom test Instrument settings GPIB address 6 Freq steps Coarse Connection 4 Terminal Measurement Single Test Conditions Non global Ratio Correction Off Demagnetisation Off Low magnetisation Off 08 26 38 08 May 95 Figure 5 53 The SETTINGS Page There are eight parameters which may be altered from within the settings page GPIB address Freq steps Connection Measurement Test Conditions Ratio Correction Demagnetisation Low Magnetisation 5 18 1 The SETTINGS Page Parameters GPIB Address Freq Steps The analyzer s default GPIB add
106. e set up or changed When the correct measurement parameters are set the RETURN soft key returns the instrument to MULTI FREQ Set mode RUN Enters MULTI FREQ Run mode see section 5 14 2 5 14 2 MULTI FREQ Run Before a multi frequency test can be run it must be set up as described in section 5 14 1 Pressing the RUN soft key from MULTI FREQ Set mode enters MULTI FREQ Run mode When first entering this mode the screen will look similar to Figure 5 43 which shows MULTI FREQ Run mode entered after setting MULTI FREQ Set mode according to the example in section 5 14 1 1 MULTI FREQ Run Frequency CL 1 0000kHz 3 0000kHz 10 O000kHz 30 O00kHz 100 00kHz 300 00kHz 1 0000MHz IMPEDANCE SET CALIBRATE Figure 5 43 Initial MULTI FREQ Run Display from example in section 5 14 1 1 When the Start soft key or the Trigger key is pressed the analyzer will measure the component at the frequencies and measurement parameters previously set and the measurement Advanced Operation 5 41 values will be displayed If either Abs or was selected in MULTI FREQ Set mode the analyzer will report PASS FAIL HI or LO according to the table below Figure 5 44 shows the results of running the multi frequency test set up in section 5 14 1 1 PASS Major and minor terms are within the limits set FAIL Major and minor terms are outside of the limits set HI X e g HI D HI C The parameter indicated is above the
107. ected GRAPH LOGY Returns the flag for the measurement scale type Parameters None Response The current scale type 1 Logarithmic scale 0 Linear scale Example 1 would indicate that logarithmic scaling of the Y axis will be used if Z or Y is selected 6 72 General Purpose Interface Bus GPIB GRAPH MODE GRAPH LIMIT lt disc gt GRAPH LIMIT Selects absolute or relative plotting Returns the current graph plotting mode Parameters Parameters The following discrete parameters are None valid Response ABS Absolute plot 0 Absolute plotting PERC Plotas a percentage of nominal 1 Percentage plotting Example GRAPH LIMIT ABS Example 1 indicates that the graph will be plotted with the results calculated as a percentage of the nominal value will select plotting of the absolute measurement result Response None GRAPH MarKer Returns the first and second measurement from the current marker position Parameters None Response The results in engineering format separated by a comma Example 10666955E 06 11760951E 01 General Purpose Interface Bus GPIB 6 73 GRAPH MODE GRAPH MarKerF lt real gt GRAPH MarKerF Move the marker to the frequency nearest to the supplied value Parameters The required frequency in Hertz The unit suffix Hz is optional Example GRAPH MKF 10k will move the marker to the point nearest to 10kHz Response
108. eeeneeaeeeneeseceaeeaeeeeeaeees 5 47 Figure 5 49 RESONANCE MODE sita 5 48 Figure 5 50 RESONANCE MODE Restless 5 48 Figure 5 51 Resonance Not Found Message cescesssssceseeseeeecesecaeeereeseeeeeeseceaeeaeeeceaeeaeees 5 48 Figure 5 52 DEMAG MODE os dl dl 5 49 Figure 5 53 The SETTINGS Page ccccesesssssscesecsseeeceecesseceasenceseseaeeaceseesaeceseeeeneesuaeeneenees 5 50 Figure 5 54 The CAL STATUS PIT Li a iii 5 53 Figure 6 1 GPIB Message Structure s sseseseseesssseseseesessesesresrestsstseseesssseseesesesesresessessesesrestsss 6 2 Figure 6 2 GPIB Command Structure ec cece eccescceseseecesesseserceaecaeseneesecaaeeceeseceaesaeseeeeaecaeeeneeass 6 3 Figure 6 3 GPIB Data Output acco eneren canteens dit datas E Tob EEA cnica 6 5 Figure 6 4 GPIB RMU Structure eccceescessceseeseeeeceseeseeecaecaeseceeaecaaeeceeeecnaeeaeseeeeaecaeeeneeas 6 6 Figure 6 5 Status Byte Register cccccccsseessecsseessecsecesecesecsseesecseeeseeeeeseseseeeeeeesseeeseeeseeetieesaes 6 7 Figure 6 6 Standard Event Status Register cecceseeescesesseeeecesecseeeeeesceeseesecaeeaeeeeeeaeeaeeeaeenee 6 8 Figure 6 7 Event Status Byte Register ccccccccssecssecssecesecesecsseceeeeeeseceeeseeceeeeeeseseseesseeetaeeaaes 6 9 Figure 6 8 Standard Operation Status Group ccsccessecssscsseceseceeceeeeeeecnsecnseceeeseeeseeeeeneeses 6 10 Safety 1 1 1 SAFETY 1 1 General This equipment has been designed to meet the
109. ent transformer parameters to be measured selectable from the soft keys The measurement parameters of each type of transformer test are independent of other transformer tests and other measurement modes when the instrument is set to non global test conditions see section 5 18 The SETTINGS Page This allows a single key stroke to restore the preset test conditions of the corresponding test configure the test connections and trigger a measurement greatly simplifying complex test procedures One exception is that Leakage Pri and Leakage Sec tests share the same measurement conditions INSULATION MODE when fitted can be accessed directly from TRANSFORMER MODE Two sets of measurement leads are required see Figure 5 2 for the connection protocol Active connections depend on the type of transformer test selected and are indicated by the LEDs above the BNC connectors The general procedure when using TRANSFORMER MODE is as follows 1 Select the Menu control key followed by the TRANSFORMER soft key 2 Connect the measurement leads see Figure 5 2 3 Select 2 or 4 terminal measurement 4 From TRANSFORMER MODE select the CALIBRATE soft key 5 Refer to section 4 3 and perform the following trims not required for Turns Ratio measurements a O C Trim Pri b S C Trim Pri c O C Trim Pri Sec d S C Trim Sec e HF Lead Compensation if a test frequency of 200kHz or greater is to be used 6 Select the TRANSFORMER soft key t
110. erefore the level of the test signal Ideally they should be measured at the AC level and frequency of use When core materials can be damaged by excessive magnetization for example some tape heads and microphone transformers check before connection that the test signal level is acceptable Iron cored inductors including transformers are susceptible to disaccommodation arising from electrical magnetic mechanical and thermal shock any of which can produce transient or permanent change in inductance The effect is worst in un gapped iron cored inductors at low drive levels Since the shocks can be caused by large changes in level of the driving signal it is advisable to change the drive level in small increments The transient changes have long recovery time constants so successive measurements at the same conditions on a shocked inductor will show unidirectional changing values The time taken for the overall change of level will depend on the component itself and the accuracy required 5 6 Measurement of Transformers When measuring transformers two sets of Kelvin clip leads are used one set is connected to the primary and the other set to the secondary of a transformer 2 or 4 terminal measurement 5 6 Advanced Operation may be selected Use 4 terminal measurement if the primary impedance is particularly low If accurate level control is required select ALC on 5 7 TRANSFORMER MODE TRANSFORMER MODE allows seven differ
111. ers which are common to both TRANSFORMER MODE and IMPEDANCE MODE are described in section 4 7 2 IMPEDANCE MODE Parameters L Q Pri Turns Ratio Measures the inductance L and quality factor Q of the transformer primary winding The Equ cct parameter allows selection of either Parallel or Series resistance in the transformer primary winding When Equ cet is set to Auto the analyzer makes a measurement of the primary winding resistance and sets series or parallel equivalent circuit according to the following criterion Primary winding resistance gt 250Q Parallel equivalent circuit Primary winding resistance lt 250Q Series equivalent circuit Measures the turns ratio of a transformer Turns ratio can be displayed as Np Ns or Ns Np When maximum resolution is required choose the display which is greater than unity The value displayed is the ratio of measured voltages hence non integer results are likely Trimming and high frequency lead compensation are not required for turns ratio measurements A negative reading when measuring turns ratio implies a reverse connected winding Check the winding sense convention Secondary turns Ns can be displayed This requires the primary turns Np to be preset via the data entry keyboard Allowable values of Np are between 0 001 and 10000 For accurate measurement of turns ratio software correction can Rdc Pri Rdc Sec Leakage Pri Leakage Sec C Pri Sec INSU
112. es Insulation Option 7 1 8 SEQUENCE MODE L Q Pri L R Pri L R Sec C D Pri Z 0 Pri Ns Np Sec Ns Sec Leakage L Pri Leakage L Sec Cs p Sec Pri Rdc Pri Rdc Sec Ins Pri Sec requires Insulation Option Ins Pri GND requires Insulation Option Ins Sec GND requires Insulation Option 7 1 9 LF TELECOM Option Simple Insertion and Return Loss derived Damped Insertion and Return Loss derived 7 2 Additional Measurement Facilities 7 2 1 2 4 Terminal Measurements may be made in two or four terminal mode with selection via a front panel key Specification 7 3 7 2 2 Transformer Ratio Correction Ratio measurement correction is available for normal or auto transformers to improve accuracy when winding resistance is high 7 2 3 Low Magnetization Measurement Any AC measurement may be made using a low magnetization measurement option Measurements made will be slower than normal but changes to the characteristics of the device under test due to magnetization will be minimized 7 2 4 Measurement Speeds Four selectable speeds for all measurement functions Selecting slower measurement speeds increases reading resolution and reduces measurement noise by averaging 7 2 5 Repeat Measurement Measurements may be made in single shot or repetitive measurement modes selected using a front panel key 7 2 6 Frequency Steps Coarse or fine frequency steps are available 7 3 Test
113. esacnescsvocsrasscsensecevsdonssdesvasccerecsessdossnooscenceonsnsvenseccedeceducosoincseencdeens 4 29 KANTO ates E EEES E ch toes ad SOE E AS PESE EA ES E aaa ks 4 28 parameters an a a e aaa 4 30 In circuit measurements oocooccoonnonononnnconnconnccnnnconnccnnccnncconnconn cono coc roca nono c conc nona cono nononconaconaccn nos 5 4 QUA TESIS tr E A A a AA AAA A A 54 Insulation MOd oooccooocconncnonononanonncnnncnoncnan conc cono cono nono nono nconaconnccnncconnconn sereen eeso reoeo SiS 5 19 para Meters a iii 5 19 Y A E AEEA E EE EE EE E A 4 16 key Sequence examples iii a E os E E A E Eaa 4 15 MUERA RN 1 2 9 1 Measurement 2 Aterminal sccc cccccctsceevsesesoncntcescseceeveoncccssscosvesvedncctcedecesesveseecteessesessvosseccecteseveses 4 12 5 53 connections non Wayne Kerr test leads and fixXtures e sscsctessscsves celica rias dins Icon EASES EN STEE NE ie E aTr IESE 3 3 Wayne Kerr test leads and fixtures ccceeceeceseessesseeeecesecseeeseeseceaecaeeeseeseceaecseeesesseceaecaeeeseeseeaecaeeeseeeseaeente 3 3 OU obdstvess a T a E a a 2 1 4 32 5 36 5 51 for measurement of very small INGUCtOTS ecceseesseeecesecceeseesecsecaseeseesecsaecaseeseesecuaecasecaeesecsaeceaeeeseeaeeaeeas 5 5 MOS tran o a ls 4 33 5 3 5 5 of a COMPONEME td da iaa 4 29 HAM A A ata NA 4 28 Of ait COred CONS ia A Aaa 55 OF tE UC A A A ta 5 6 OF iron c red INCUCLONS E E 5 6 Otra OMS ta asis 5 6 Of very small Capacitan lata ocd eid ba
114. ets 3 3 Wayne Kerr Electronics Measurement Leads The 3260B can be used with any of the following Wayne Kerr Electronics leads or fixtures Except in HANDLER MODE see Figure 5 3 for connections ensure that the colour coded plugs are mated correctly with the corresponding panel sockets Kelvin Clip Leads Fine Jaws Part No 1EVA40100 General purpose 4 terminal measuring leads for conventional components giving good accuracy except for measurement of very small capacitances or very small inductances where the use of the 4 terminal component fixture part number 1EV 1006 will give more accurate results Kelvin Clip Leads large jaws Part No 1EVA40180 Similar to part number 1EVA40100 but with larger jaws making them more suitable for connection to terminal posts or larger diameter component leads Four Terminal Lead Set Part No 1EV1505 600mm screened cable terminated in four crocodile clips at the component end Not recommended for use above 30kHz SMD Tweezers Part No 1EVA40120 2 terminal component tweezers for use with surface mount or leadless components A cam is incorporated to set the jaw spacing to the width of the component to be tested so that O C trim will trim out the residual capacitance of the tweezers Four Terminal Component Fixture Part No 1EV1006 Remote fixture with sliding jaws to accommodate both axial and radial leaded components This fixture will give the greatest accuracy for 4 terminal measurements of con
115. f the transformer to the measurement leads or fixture Once this is done pressing the Trigger control key will run the program As the test progresses messages will be displayed to prompt connection of secondary windings SEQUENCE RUN MODE Ruming PROGRAM No 1 Comect primary leads to Primary Press TRIGGER to continue Figure 5 34 SEQUENCE RUN MODE Connection Prompt If the transformer passes all test steps PASS will be reported at the end of the test run Failures are reported on a test by test basis with a failure message such as that shown in Figure 5 35 reported in each case When a failure occurs various options are available a Select the RETRY soft key to rerun the failed test step b Press the Trigger control key to continue the sequence program c Select the NEXT TRANSFORMER soft key to discard any remaining test steps and allow connection of the next transformer to be tested 5 32 Advanced Operation SEQUENCE RUN MODE RETRY Stop Running PROGRAM No 1 FAIL Test Step 6 Rdc Pri Major Value 61 954 High Limit 60 00 9 Low Limit 45 00 9 Press TRIGGER for next test MEXT TRANSFORMER Figure 5 35 SEQUENCE RUN MODE Failure Message Selecting the Stop Running PROGRAM No X soft key will allow a new sequence program to be selected 5 12 HANDLER MODE In HANDLER MODE the front panel connections are reconfigured to make the analyzer compatible with many existing 4 terminal fixtures and scanner
116. factor of 2 1 or more by returning Zs and Zd directly to the outer of the Red BNC connector However this technique increases the loop inductance and any benefit is lost at frequencies above 5kHz 5 3 Measurement of Very Small Capacitors For best accuracy when measuring small value capacitors it is necessary to perform an O C trim see section 4 3 1 at the frequency to be used for the measurement and to ensure that the measurement leads are not moved between the trimming and the measurement A level of 1V is an optimum value for minimizing lead errors as this is the level used during the trim operation When measuring surface mount or leadless capacitors with the two terminal SMD tweezers part no 1EVA40120 the cam should be used to set the jaw spacing of the tweezers to the width of the DUT when performing the O C trim so that the residual capacitance of the tweezers is trimmed out Advanced Operation 5 5 5 4 Measurement of Very Small Inductors The analyzer measures the difference between the inductance of S C trimming and the inductance of the DUT Stable measurement lead arrangements are essential for low inductance measurements the use of the four terminal component fixture part no 1EV1006 is recommended for leaded components When using this fixture S C trim see section 4 3 1 is achieved by placing a wire across the jaws a 5cm length of 1mm diameter wire has an inductance of 50nH a 5cm length of 2mm diameter wire has an induct
117. for at least 30 minutes at its normal operating temperature before running this routine Press any key to clear this message Figure 4 24 Self Calibration Reminder 4 22 Operation 4 5 1 Performing Self Calibration 1 Switch on the instrument and allow it to stabilize for at least 30 minutes at a stable ambient temperature 2 Select CALIBRATE either from the MAIN MENU or from a mode which has CALIBRATE as an option in which case pressing the bottommost soft key which will be labelled with the name of the original mode e g IMPEDANCE TRANSFORMER will return the analyzer to that mode The analyzer will enter CALIBRATE MODE shown in Figure 4 17 3 Select Self Calibration 4 Disconnect all BNC leads from the instrument front panel and select the Start soft key Allow at least 1 minute for the self calibrate routine to run When self calibration is finished the analyzer will return to CALIBRATE MODE The Abort soft key will return the analyzer to CALIBRATE MODE Note If the self calibration routine fails for any reason e g a test lead connection error or a power failure during the routine or if the self calibration data becomes corrupted Figure 4 18 above may be displayed when the instrument is next switched ON followed by Figure 4 25 which will be displayed every time the instrument is switched ON When component measuring modes are selected Calibrate Error will be displayed at the top of the screen These me
118. freq a measurement frequency is selected which is outside of the trim parameters O C Trim Error or S C Trim Error will be displayed at the top of the screen and no trim corrections will be applied for the frequency selected The analyzer can be used without trim correction but full measurement accuracy will not be available until the analyzer is retrimmed using an option which covers the new measurement frequency 4 6 2 HF Lead Compensation The purpose of HF lead compensation is to eliminate scalar errors which are due to the test leads and fixture scanner These vary with test lead length and become significant at frequencies above 200kHz Before performing HF lead compensation both O C Trim and S C Trim must be performed from HANDLER CAL MODE using the All freq trim option as described in section 4 6 1 4 6 2 1 Performing HF Lead Compensation 1 Either a Select CALIBRATE from the MAIN MENU The analyzer will enter CALIBRATE MODE shown in Figure 4 17 Select the Handler Calibration soft key The analyzer will enter HANDLER CAL MODE Figure 4 26 4 26 Operation b Select CALIBRATE from HANDLER MODE in which case pressing the bottommost soft key which will be labelled HANDLER will return the analyzer to HANDLER MODE The analyzer will enter HANDLER CAL MODE Figure 4 26 2 Select the HF Lead Compensation soft key The following message will be displayed HAVE YOU DONE BOTH 0 C AND S C TRIMS WITH CONNECTING LEADS IN PLACE
119. frequency mode CALL IBWRT wk MULTI SET Multi frequency set up Set up frequency steps CALL IBWRT wk MULTI TEST 0 FREQ 1k Step 1 CALL IBWRT wk MULTI TEST 1 FREQ 2k Step 2 CALL IBWRT wk MULTI TEST 2 FREQ 5k Step 3 CALL IBWRT wk MULTI TEST 3 FREQ 10k Step 4 CALL IBWRT wk MULTI LIMIT OFF No limit checking CALL IBWRT wk MULTI RUN TRIG Go to RUN mode and start PRINT GPIBQuery wk MULTI RES 0 Get result 1 PRINT GPIBQuery wk MULTI RES 1 Get result 2 PRINT GPIBQuery wk MULTI RES 2 Get result 3 PRINT GPIBQuery wk MULTI RES 3 Get result 4 END The end This function sends the supplied query to the instrument and reads back the reply and strips the trailing characters FUNCTION GPIBQuery id Query bufS SPACES 80 Initialise the buffer CALL IBWRT id Query Query the level CALL IBRD id buf Read in the response GPIBQuery LEFTS buf ibcnt 1 Remove trailing characters END FUNCTION 6 98 General Purpose Interface Bus GPIB 6 3 5 Example 5 DECLARE FUNCTION GPIBQuery id Query 1 kkxkxkxkkkxkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk Program 5 Graph mode Version 1 0 Platform QuickBasic 4 5 Description This program sets up and plots a graph of the characteristic of a 4 7uF capacitor At the end it takes a screenshot which is in windows bitmap format BMP and can be v
120. ge limits Example 1 indicates that components will be tested against limits that are a percentage of the nominal value General Purpose Interface Bus GPIB 6 69 MULTI FREQUENCY MODE MULTI SORT lt disc gt Sorts the current frequency list into the required order Parameters The required sort order UP Ascending frequency DOWN Descending frequency Example MULTI SORT UP will sort the frequencies in ascending order Response None MULTI TRIGger Starts a run of multi frequency measurements Parameters None Response None MULTI RES lt integer gt Query the result of the selected frequency step Parameters The frequency number in the range 0 to 7 Response The first and second result separated by a comma if the result is being checked against limits absolute or percentage the PASS FAIL flag will prefix the result Examples 1 68898363E 07 72168059E 04 would indicate a pass result on a 68nF capacitor 68898363E 07 72168059E 04 would be the result if limits were not being checked 6 70 General Purpose Interface Bus GPIB GRAPH MODE GRAPH Select graphing mode Parameters None Response None GRAPH StarT lt real gt Set the start frequency for the sweep Parameters The required frequency in Hertz The unit suffix Hz is optional Example GRAPH ST 1k will set the start frequency to 1kHz Response None
121. ge will be displayed and printer output will be disabled Printer output will also be disabled when the instrument is switched off or goes to remote control To manually disable the printer output enter Code 31 from the MAIN MENU 4 1 6 1 Parallel Printer Output Header When the printer is enabled the instrument will print a title together with the time and date in the following format Wayne Kerr 3260B 13 53 17 02 Oct 00 Status Whenever a mode is selected or changed the status of the selected mode will be printed for example 2 TERM RESONANCE MODE Test Conditions A summary of the test conditions will be output whenever the type of test is changed e g from Rdc Meas to AC Meas in IMPEDANCE MODE AC Meas L Q Parallel 1 02Vac 1 0000kHz DC Bias 0 000 A OFF Range Auto Speed Fast ALC off 4 4 Operation Tf on selecting a mode the required test type is already selected press the highlighted key once to obtain this test condition summary Measurement Results Measurement results will be output to the printer in IMPEDANCE TRANSFORMER INSULATION and BINNING modes whenever a single shot test is performed The value of the frequency test level or DC bias will be printed if highlighted in the test set up For example printing L and Q variation with frequency 400 00 Hz 13 90mH 12 55 500 00 Hz 13 85mH 13 12 600 00 Hz 13 79mH 13 98 800 00 Hz 13 72mH 14 52 1 0000kHz 13 61mH 15 07 To obtain a print out of
122. ging until required for use Introduction 2 1 2 INTRODUCTION LL 1 05 dB s O hy ARE ES RL 266 dB A lt ki gt eee Er 32608 GOOCH POCA w Figure 2 1 PMA3260B Precision Magnetics Analyzer The 3260B Precision Magnetics Analyzer provides 2 terminal or 4 terminal Kelvin measurement of inductors and transformers over the frequency range 20Hz to 3MHz DC resistance measurements are performed at a drive level of 100mV The drive level for AC measurements can be varied from ImV to 10V rms Automatic level control ALC can maintain the drive level at the component During AC measurements the 3260B can supply a DC bias current which is variable between 1mA and 1A and when used with external 3265B DC Bias Units up to 125A DC bias current is available The Telecom function allows insertion loss and return loss of line matching transformers to be derived with user specified values of terminating resistance or impedance Damped network components can also be selected together with a blocking capacitor if required The analyzer s measurement display and control facilities include e spot frequency measurements e multi frequency measurements at a number of user defined frequencies e display of actual measurement values e series or parallel resonant frequency e bar graph analogue display for easy adjustment of variable components spot frequency measurements only e linear or logarithmic graphical rep
123. hat objects might have entered the unit 3 Ground Bond Ensure that 25A DC can flow from exposed metal parts of the unit not BNC connector outers to ground with an impedance of less than 100mQ 4 Insulation Test Connect the Live and Neutral of the power cable together and test the insulation between this point and the ground at 500V DC Readings greater than 1MQ are acceptable 9 2 Maintenance Support and Services 9 3 Support and Service In the event of difficulty or apparent circuit malfunction it is advisable to contact the service department or your local sales engineer or agent if overseas for advice before attempting repairs For repairs and recalibration it is recommended that the complete instrument be returned to one of the following USA Wayne Kerr Electronics Inc 165L New Boston Street Woburn MA 01801 1744 Tel 781 938 8390 Fax 781 933 9523 email sales waynekerr com www waynekerrtest com UK Wayne Kerr Electronics Vinnetrow Business Park Vinnetrow Road Chichester West Sussex PO20 1QH Tel 44 0 1243 792200 Fax 44 0 1243 792201 email sales wayne kerr co uk email service wayne kerr co uk www waynekerrtest com Asia Microtest 14F 6 No 79 Hsin Tai Wu Road Sec 1 Hsi chih Taipei 221 Taiwan R O C Tel 886 2 2698 4104 Fax 886 2 2698 0716 Email wksales microtest com tw www waynekerrtest com When returning the instrument please ensure adequate care is taken with packi
124. he National Instruments configuration kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkxkk SINCLUDE OBDECL BAS National Instruments include file buf SPACES 200 Buffer for GPIB response CLS Clear the screen CALL IBFIND WK wk Look for WK IF wk lt 0 THEN Check that the id was found PRINT Identifier WK not found PRINT Please check your configuration END END IF CALL IBCLR wk Clear the device IF IBSTAS lt 0 THEN Check for a problem PRINT Error clearing instrument PRINT Please check you configuration END END IF CALL IBWRT wk IDN Request identification IF IBSTAS lt 0 THEN Check for a problem PRINT Error writing to instrument PRINT Please check that the instrument PRINT is powered set to the correct PRINT GPIB address and the cable is PRINT securely connected END END IF CALL IBRD wk BUFS Read the response IF IBSTAS lt 0 THEN Check for a problem PRINT Error reading from instrument PRINT Please check the device configuration END END IF PRINT buf Display the response END The end 6 94 General Purpose Interface Bus GPIB 6 3 2 Example 2 1 kkxkxkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk Program 2 Simple Measurement Version 1 0 Platform QuickBasic 4 5 Description This program will set up and run a single Z Angle measurement on a component This program assume
125. hown in Figure 5 26 is displayed and is confirmed by pressing the Yes soft key Delete bin counts Are you sure Figure 5 26 Delete Bin Counts Warning Delete last If a component is wrongly rejected e g a bad connection to the fixture pressing the Delete last soft key will clear this result from the total It is only possible to step back one reading See also Delete last in section 5 9 2 1 above 5 24 Advanced Operation BIN SET Enters BINNING MODE Set see section 5 9 1 BIN SORT Enters BINNING MODE Sort see section 5 9 2 CALIBRATE See section 4 3 5 10 SEQUENCE EDIT MODE SEQUENCE EDIT MODE allows a sequence of transformer tests e g on each transformer winding to be programmed against PASS FAIL limits for each test A sequence program can be loaded viewed and edited in this mode Programs may have up to 20 steps with up to 100 programs stored in the non volatile memory of the analyzer The actual number of programs capable of being stored is dependant on the number of steps within each program Programs can be selected manually from the front panel or under GPIB control It is possible to backup and restore programs e g to from a computer via GPIB A new program should be generated by first copying a previous one e g in the first instance the default program this can be used as a template and modified to suit requirements The modified program can then be saved for future use The left hand side of the screen d
126. icated by Minor Q gt x BINNING MODE Set Reset BINNING MODE Set Reset Type of test L Q Pri i Type of test L Q Pri j Bin High Low x Minor Q gt x ona oe Bin High H Low H Minor Q gt x Sanies 0 1 4 1 500 00m a O 101 00m 99 000m 500 00m fy 40 2 0 2 500 00m Abs 1 105 00m 95 000m 500 00m E 0 5 6 5 500 00m Nominal 2 110 00m 90 000m 500 O m a0 Sy eS eee ee EA f 90m 00m E m 90m tioo 10 0 gon Pm Somi ee aoo ioon PE Som 10 10 00m 00m E m 00m 0 0 0 0 0 0000 BIN COUNT 7 0 0000 0 0000 0 0000 BIN COUNT 0 0 a 0 0 0000 8 0 0000 0 0000 0 0000 Nominal 100 00mH Set Test Set Test 100mVac 16 000kHz i 100mVac 16 000kHz i DC Bias 0 00 Satana DC Bias 0 00 os Range Auto Set Condition Range Auto Set Condition Speed Max LC on Speed Max LC on CALIBRATE CALIBRATE Figure 5 18 BINNING MODE Figure 5 19 BINNING MODE Nested Percentage Limits Stacked Absolute Limits The example shown in Figure 5 18 above would sort transformers on the basis of their deviation from primary winding inductance and Q factor In this case a transformer with a 5 20 Advanced Operation primary winding inductance of 100mH 0 5 and a Q factor greater than 0 5 would be sorted into bin 2 Figure 5 19 is an alternative set up with stacked limits sorting the transformers by absolute value In this case a transformer with a primary winding inductance of 112mH and a Q factor greater than 0 5 would be sorted into bin 3 5
127. iewed in MS Paint Win 9X 1 kkxkxkxkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk SINCLUDE QBDECL BAS National Instruments include file CLS Clear the screen Initialise the GPIB CALL IBFIND WK wk Look for WK CALL IBCLR wk Clear the device CALL IBTMO 14 30 Second timeout for graph drawing Set up the AC test parameters CALL IBWRT wk IMP Measurement mode CALL IBWRT wk IMP FUNC AC Select AC measurements CALL IBWRT wk IMP FUNC Z Plot impedance CALL IBWRT wk IMP SPEED MAX As fast as possible CALL IBWRT wk GRAPH Enter GRAPH mode CALL IBWRT wk GRAPH ST 20 SP 400k Sweep 20Hz 500kHz CALL IBWRT wk GRAPH LOGY ON LOGF ON Log Log plot CALL IBWRT wk GRAPH TERM 1 Plot Z CALL IBWRT wk GRAPH STEP 2 Step size 4 CALL IBWRT wk GRAPH MAJ LO le 3 Y start 1mOhm CALL IBWRT wk GRAPH MAJ HI 1k Y stop 1kOhm CALL IBWRT wk GRAPH TRIG FIT Plot the graph and fit scale CALL IBWRT wk GRAPH DIP Find the low point Take a screenshot PRINT Taking screenshot CALL IBWRT wk DUMP BMP Request data CALL IBRDF wk GRAPH BMP Read to file PRINT Done END The end This function sends the supplied query to the instrument and reads back the reply and strips the trailing characters FUNCTION GPIBQuery id Query bufS SPACES 80 Initialise the buffer CALL IBW
128. imit of 1 0 for the minor 7 test Example 10000000E 01 indicates a minor limit of 1 0 Response None BINning DEL ALL Reset all the bin counters in BIN COUNT mode Parameters None Response None BINning SAVE lt integer gt In BIN SET mode save the present setup in non volatile memory Parameters The memory store to use in the range 1 to 99 Example BIN SAVE 2 will save the current bin limits to memory store number 2 Response None General Purpose Interface Bus GPIB 6 47 BIN SET MODE BINning LOAD lt integer gt Load a set of bin limits from non volatile memory Parameters The memory store to use in the range 1 to 99 Example BIN LOAD 1 will load the set up currently stored in memory number 1 Response None 6 48 General Purpose Interface Bus GPIB BIN SORT AND BIN COUNT MODES BINning TRIG In BIN SORT or BIN COUNT mode trigger a measurement and return results Parameters None Response In BIN SORT mode both the measurement result and the bin number are returned Example 14 235E 6 5 820 3 where the first two numbers are the measurement and the number after the semicolon is the sorted bin In BIN COUNT mode only the result bin is returned Example 3 indicating that the component met the characteristics of bin 3 BINning DEL LAST Decrement by 1 in the most recent bin counter in BIN COUNT mode Parameters None Response
129. in engineering format Example 10000000 01 for a level of 1V General Purpose Interface Bus GPIB 6 83 DEMAG MODE DEMAG TRIG Start demagnetization Parameters None Response None 6 84 General Purpose Interface Bus GPIB CALIBRATE MODE CAL Select calibrate mode path Parameters None Response None CAL OC TRIM lt integer gt Perform open circuit trimming Parameters The required trim type Spot trim Up to 10kHz Up to 100kHz All frequency Example CAL OC TRIM 4 would perform an open circuit trim across the whole frequency range of the unit Response None General Purpose Interface Bus GPIB 6 85 CALIBRATE MODE CAL SC TRIM lt integer gt Perform short circuit trimming Parameters The required trim type Spot trim Up to 10kHz Up to 100kHz All frequency Example CAL SC TRIM 1 would perform a short circuit trim at the current frequency Response None CAL HF CAL Perform HF lead compensation Parameters None Response None CAL SELF CAL Perform self calibration disconnect all BNCs from the instrument terminals before using this command Parameters None Response None 6 86 General Purpose Interface Bus GPIB CALIBRATE MODE CAL RES Returns the result of the most recent trim or calibration performed Parameters None Response The trim flag 1 Calibration passe
130. in the set frequency range DIP Aligns the marker with the lowest trough in the set frequency range NOM gt MK Replots the graph with the marker position set as the component nominal value To aid positioning of the marker its position in both axes is shown at the bottom of the screen It is moved with the and navigation keys When GRAPH MODE Set is re entered with the RETURN soft key the Nominal and Hi Lo limits will reflect the replotted graph PRINT Prints the graph on an Epson compatible printer after entering Code 30 from the MAIN MENU RETURN Returns the analyzer to GRAPH MODE Set Note If the DUT exhibits high Q resonances the graph function may miss the peak or trough due to quantized frequency steps For accurate values at resonance use the RESONANCE function 5 15 3 Example This example will illustrate the procedure for using GRAPH MODE and is intended to familiarize the user with this mode of operation For this example a linear scale will be used to plot inductance over the frequency range of 100kHz to 600kHz 1 2 3 4 5 6 Enter GRAPH MODE Set by pressing the GRAPH soft key from the MAIN MENU Highlight the Sweep parameter with the or navigation key then using the and navigation keys set 1t to Frequency Highlight the Start frequency with the or navigation key and enter the required frequency with the data entry keypad For this example 100kHz will be entered Highlight th
131. ing 1 7 Current measurement range Example 0 indicates that auto ranging is selected IMP ALC Automatic Level Control status query Parameters None Response Returns the ALC state according to this table 0 OFF 1 ON 2 HELD Example 2 indicates that ALC is currently held 6 28 General Purpose Interface Bus GPIB IMPEDANCE MODE IMP EQU CCT lt disc gt IMP EQU CCT Select the equivalent circuit type for AC Equivalent circuit query tests Parameters Parameters N ne The following parameters are valid i sis Response SER Series equivalent circuit oe Returns the equivalent circuit flag PAR Parallel equivalent circuit according to this table Example IMP EQU CCT SER O Parallel will select series equivalent circuit y 1 Series Response Example 0 None indicates that parallel equivalent circuit 1s selected IMP FUNC C L Z Q D R Select first or second AC measurement function Parameters Selecting first measurement IMP FUNC C Capacitance IMP FUNC L Inductance IMP FUNC Z Impedance Selecting second measurement IMP FUNC Q Quality factor IMP FUNC D Dissipation factor IMP FUNC R Resistance Note that selecting Z as the first measurement will force the second measurement to be Angle This does not change the equivalent circuit flag setting Example IMP FUNC C D will select C D measurements Response N
132. ing the frequency If the command requires a parameter then the next character should be a white space character ASCII 20h although any character in the range 00h 20h can be used with the exception of line feed ASCII OAh The parameter itself can take one of three forms depending on the command 1 Discrete data This includes words like ON OFF and ABS 2 Real Number A floating point number that can be in engineering format or a number with a multiplier suffix K kilo M mega or G giga For example FREQ 1000 0 FREQ 1E 3 FREQ 0 154 FREQ 1k are all valid ways of setting a frequency of 1kHz 3 Integer A single integer number Often used to indicate a Boolean state For example RANGE 1 will select range 1 If invalid data is supplied then a command error will be generated If data is supplied but the instrument is not able to apply the setting an execution error will be generated If the instrument is unable to exactly comply with the command and can only apply the nearest available a device specific error is generated Details of these error codes can be found in Figure 6 6 6 1 4 2 Hierarchical Commands As described in the previous section SCPI uses a command tree to simplify device programming This structure is similar to the directory structure used on most computers To 6 4 General Purpose Interface Bus GPIB access a specific command in a specific mode the user must supply the path
133. instrument is not suitable for battery operation The power switch is located on the left of the front panel 3 2 Location The 3260B is intended for use either on the bench or in a rack The power modules are convection cooled and care must be taken not to restrict any of the air paths 3 2 1 Rack Mounting There is a rack mounting kit available as an option to fit a standard 19 rack This kit contains the mounting brackets and screws required for the conversion To fit these brackets carefully remove the insert in the outer face of both front handles see Figure 3 1 below Fit each bracket into the recess formed by the removal of the insert and secure using the bolts provided M4 x 10mm CSK It is important that some provision be made to support the rear of the unit when using the rack mounting brackets 3 2 Installation wH Insert small screwdriver into the Insert screwdriver into other end Insert rack mounting bracket into gap between insert and handle and repeat procedure This will recess in handle in attitude shown body Prise away one end slightly relieve the small tapered pins of and secure firmly with 4 M4x10 and hold in position with finger the insert from the threaded holes C SK HD screws supplied Note operation of insert with styling in the handle Remove insert in cut out opposite cut out in handle the direction of arrow Figure 3 1 Procedure for Attachment of Rack Mounting Brack
134. ired after entering Code 30 from the MAIN MENU When first entering GRAPH MODE from the MAIN MENU the GRAPH MODE Set screen is displayed Figure 5 45 which defines the parameters necessary to plot the graph 5 42 Advanced Operation GRAPH MODE Set Log Hz Sueep Frequency Start 100 00kHz Stop Step Mode L Hi Lo R Hi Lo 600 00kHz Size 1 4 8 Impedance L R 100 00mH 100 00mH 20 000 1 0000 IMPEDANCE CALIBRATE Figure 5 45 GRAPH MODE Set Figure 5 45 shows GRAPH MODE set up to plot a graph of inductance against frequency on a linear scale between 100kHz and 600kHz with the limits set in absolute terms 5 15 1 GRAPH MODE Set Parameters Parameters which are common to IMPEDANCE MODE are described in section 4 7 2 IMPEDANCE MODE Parameters Lin unit Log unit Lin Z Log Z Sweep Toggles between Lin unit and Log unit to set either linear or logarithmic horizontal scale where unit is the unit of the Sweep parameter see Sweep below This soft key is displayed only when Log unit is selected above and when Mode is set to Impedance Z 0 It allows selection of Lin or Log vertical scale allowing log log graphs to be plotted Note that negative or zero scale limits cannot be plotted on a log scale Both limits must be set to positive values before pressing Start or a warning message will be displayed The Start and Stop settings for the graph which are se
135. is state on power up When this state is detected by external hardware it must be assumed that the current signals on the BIN lines are invalid and should be ignored 4 1 11 2 Ready for Trigger BUSY is high and BDA is low in this state All BIN lines will be unchanged If the previous state was a null then all BIN lines will be high meaning no bin selected although BDA suggests that valid bin data is present When the instrument receives a trigger it will respond by entering the next state 4 1 11 3 Busy Both BUSY and BDA are low in this state The BUSY line goes low to acknowledge the trigger and also to indicate that the component between its terminals is in the process of being measured and should not be removed until the BUSY line goes high again when the instrument enters the next state 4 1 11 4 Not Busy Both BUSY and BDA are high and all BIN lines are set to high in this state The instrument has finished with the component under test which may be removed and replaced by the next component However the instrument has still to sort the component into the relevant bin and as the current bin is being updated all the BIN lines are made invalid 4 8 Operation If the process has been completed without interruption the instrument will re enter the Ready for Trigger state waiting to measure the next component The bin handler hardware should respond to the falling edges of the BDA line and the relevant BIN
136. isplays the program number and test step list Test step selection is made by using the and navigation keys to scroll through the list Selecting a test step will display the parameter setup and limits associated with the step which can then be modified using the navigation keys or numeric keypad The and navigation keys are used to select an individual setup parameter or test limit for the selected program test step Addition deletion and moving of steps can be carried out using the soft keys on the right hand side of the screen To open SEQUENCE EDIT MODE select the Menu control key followed by the SEQUENCE EDIT soft key SEQUENCE EDIT MODE will be opened with the last selected program displayed regardless of whether it was selected in SEQUENCE EDIT MODE or SEQUENCE RUN MODE If no programs have been saved by the user the program template shown in Figure 5 27 will be displayed as program No 1 Advanced Operation 5 25 SEQUENCE EDIT Edit Calibrate Error Test Program 1 Move j EMPTY mN As EMPTY Delete 10 000kHz Bias 0 000 Parallel Range Auto Delay Os Speed Med ALC On Limits L Hi 23 500mH R Hi 500 00m2 L Lo 20 300mH R Lo 10 000m2 FILE Figure 5 27 SEQUENCE EDIT MODE Program Template 5 10 1 Sequence Mode Program Files 5 10 1 1 Sequence File Screen The SEQUENCE FILE screen is used to create load label save and delete sequence programs which are stored within the 3260B To di
137. it Reserved bit2 Reserved bit3 Reserved D6 is reserved D7 is reserved Any of the above messages will set bit 2 of the Service Request Register If Range Error or Connection Error occurs pseudo measurement results 999 9E 15 999 9E 15 or 999 9E 15 will be produced dependent on the measurement function 6 1 7 Common Commands Common commands are listed below Their detailed description will be given later ESP a A PA CLS Clear Status Clears the Event Status Register and associated status data structure ESE lt NR1 gt Event Status Enable Sets the Event Status Enable Register to the value of the data following the command ESE Event Status Enable Query Returns the current contents of the Standard Event Status Enable Register as an integer in the range 0 to 255 ESR Event Status Register Query Returns the current contents of the Standard Event Status Register as an integer in the range 0 to 255 It also clears ESR SRE lt NR1 gt Service Request Enable Sets the Service Request Enable Register to the value following the command The register is set except that bit 6 is ignored General Purpose Interface Bus GPIB 6 13 A A SRE Service Request Enable Query Returns the current contents of the Service Request Enable Register as an integer in the range 0 to 63 and 128 to 255 STB Status Byte Query Returns the current contents of the Status Byte with the Master Summary bits as
138. ize information from the other status groups It is shown in Figure 6 5 which conforms to IEEE 488 2 and SCPI The status byte can be read by the query command STB or by performing a serial poll on the instrument these two are identical although the point at which the RQS bit can be cleared is slightly different BIT Meaning True 1 Operation Status Event Register summary bit This bit is true when measurement or trimming etc is in progress RQS ReQuest for Service When the bit in the Service Request Enable mask is set with the corresponding bit in the status register true this will trigger a service request to the controller MSS Master Summary Status bit The version of the request for service bit which appears in the Status Byte ESB Event Summary Bit When unmasked by the ESE register this bit will be set whenever the corresponding bit or bits are set in the Event Status Register General Purpose Interface Bus GPIB BIT Meaning True 1 MAV Message available The output queue has data to be read A summary bit from Questionable Data This bit is not used so is always 0 2 This is a Summary bit of error and instrument status messages True if any new status information is available Always 0 o Always 0 a e ER 88 y E ZE ES SB a S i G 88 Service Y Y Y Y Y Y Request ROS Generation
139. lar to the local operation The recommended discipline to control the instrument under GPIB is to select the mode and the type of test first then change the measurement conditions Trying to change measurement conditions which are not in the present mode and type of test will be rejected and return an error flag 6 2 1 Command Summary IMP TEST Impedance test query General Purpose Interface Bus GPIB 6 15 IMP LIMIT lt disc gt Set percentage or absolute scale limits 6 16 General Purpose Interface Bus GPIB TRAN EQU CCT Equivalent circuit query ee e Er nett id amg detrei id General Purpose Interface Bus GPIB 6 17 In BIN SORT or BIN COUNT mode trigger a measurement BliNning TRIG and return results Decrement by 1 in the most recent bin counter in BIN COUNT mode BINning RES Return the counts from all the bin counters BINning DEL LAST SEQ PROGram lt integer gt lt contents gt Upload a sequence program to the instrument Program query Download a sequence program from the 6 48 6 49 6 49 SEQ PROGram lt integer gt instrument HAN BIAS lt disc gt Set the bias condition HAN BIAS Bias level query HAN SPEED lt disc gt Select measurement speed 6 54 HAN SPEED Measurement speed query 6 54 HAN RANGE lt disc gt Select auto ranging or range hold 6 54 HAN BIAS STATus Bias the current bias status 6 53 P IP IP P IP al oO oa oa 195 195 6 18 Ge
140. le 80000000E 03 indicating a test frequency of 800Hz TELecom NETwork Query the damping network state Parameters None Response 0 Network is OFF 1 Network is ON 6 62 General Purpose Interface Bus GPIB TELECOMS MODE TELecom BLOCK Turn on and off the blocking capacitor in the damping network Parameters The required state ON or OFF Example TEL BLOCK OFF turns off the damping network Response None TELecom Z0 lt real gt Set the telecom test line impedance value Parameters The required value in Ohms Example TEL Z0 600 sets the line impedance to 6000 Response None TELecom Rt lt real gt Set the telecom test termination resistor value Parameters The required resistor value in Ohms TEL RT 500 Example sets the termination resistor to 500Q Response None TELecom Z0 Query the telecom test line impedance Parameters None Response The line impedance in engineering format Example 60000000E 03 indicating a line impedance of 600Q TELecom Rt Query the telecom test termination resistor Parameters None Response The termination resistor value in engineering format Example 450000000E 03 indicating a termination of 450Q General Purpose Interface Bus GPIB 6 63 TELECOMS MODE TELecom Ct lt real gt TELecom Ct Set the telecom test termination capacitor value Parameters
141. leads or fixture 8 Press the Start soft key The measured values of insertion loss I L and return loss R L will be displayed on the screen TELECOMS MODE IL 0 9 dB R L 19 5 dB p Ce Ra 3 Ca 10 0dBm 4 0000kHz Z 600 0 9 Rd 600 0 Rt EI Cd 4 700nF CALIBRATE Ct 4 700nF Cb 1 000MF Figure 5 39 Example of Measuring Insertion Loss and Return Loss in TELECOMS MODE 5 13 2 TELECOMS MODE Parameters The following TELECOMS MODE parameters are selectable with the soft keys to the right of the display Start When the test conditions have been set and the transformer connected to the test leads or fixture pressing the Start soft key Simple Damped Direct Blocked CALIBRATE Advanced Operation 5 35 performs a test of Insertion Loss I L and Return Loss R L Toggles between Simple termination shown in Figure 5 36 and a Damped termination network shown in Figure 5 37 See also Direct Blocked below This soft key becomes available when Damped termination is selected see Simple Damped above Direct termination is shown in Figure 5 37 Blocked termination is shown in Figure 5 38 and features a DC blocking capacitor in the transformer signal source See section 4 3 The following TELECOMS MODE parameters are those displayed in the bottom left hand corner of the screen shown in Figure 5 39 Drive Level Measurement Frequency Lo Rt Ct Set by highlighting the parameter with the an
142. lip lead Insulation tests are performed in single shot mode with the Trigger control key being used to initiate each measurement If the Trigger key is pressed and held the analyzer will make Advanced Operation 5 11 repetitive measurements until the key is released To minimize the risk of electric shock high voltages are applied to the test leads only during testing WARNING AVOID TOUCHING THE TEST CONNECTIONS DURING MEASUREMENT OR TRIMMING OPERATIONS Although the current is limited to a safe level there is a risk of electric shock especially at 200V and 500V test levels Unless energy is stored in components e g capacitors connected to the measurement terminals the voltage at the measurement terminals will be removed within 0 5 seconds of test completion Unless global measurement conditions are selected see section 5 18 The SETTINGS Page the test voltage and other settings may be set differently for each of the three test types The insulation test cannot be performed if the test current exceeds 1mA i e if the impedance is too low This corresponds to a minimum resistance of 100kQ at 100V 200kQ at 200V or 500kQ at 500V In this case a message shown in Figure 5 7 will be displayed Current Too Large Figure 5 7 INSULATION MODE Current Too Large Note If the INSULATION soft key is pressed when the insulation option is not fitted the analyzer will report Unit Not Available Figure 5 8 Unit Not Available
143. lt of the calibration performed TRIGger Trigger a measurement in the current mode LOC TRIG lt disc gt Select local trigger condition 6 87 LOC TRIG Query the local trigger condition Enable repetitive measurements when unit is returned to local REPeat lt disc gt control Repeat Query trigger status TERMinal lt integer gt Select 2 or 4 terminal measurements TERMinal Query the current terminal setting as eee General Purpose Interface Bus GPIB 6 23 IMPEDANCE MODE IMPedance Select impedance mode Parameters None Response None IMP TEST Select test sub path within impedance mode Parameters None Response None IMP TEST AC Select AC measurement Parameters None Response None IMP TEST RDC Select Rdc measurement Parameters None Response None 6 24 General Purpose Interface Bus GPIB IMPEDANCE MODE IMP TEST Measurement test query Parameters None Response 0 AC measurement type 1 Rdc measurement type IMP TRIGger Trigger a measurement using the current settings Parameters None Response For AC measurements the response will be the first and second measurements separated by a comma Example 68 860E 9 13 0E 6 For Rdc measurements the response will be a single measurement result Example 6 2295E 3 IMP FREQuency lt real gt IMP FREQuency Set the frequency of AC measurements Returns th
144. lue Note that the Minor term limit is either an upper or lower limit depending on what the parameter is e g lt D gt Q For this example the Q term will be set to gt 2 at 1kHz i e anything more than or equal to 2 will pass the minor term parameter and anything below 2 will fail 10 Press the navigation key the lt symbol will move down and point to the second frequency 3kHz in this example Note that the limits showing at the bottom of the screen change as each frequency is selected in turn Using the and navigation keys highlight and set the High Low and Minor limits for the second frequency Press the navigation key again and the lt symbol will point to the third frequency and the limits for the third frequency can be set Continue in this way until the limits have been set for each frequency The limits set in this example are as follows Frequency High Limit Low Limit Minor Term L L Limit Q 1kHz 10 10 22 3kHz 10 10 gt 5 10kHz 10 10 gt 20 30kHz 10 10 gt 50 100kHz 10 10 gt 50 300kHz 10 10 gt 50 1MHz 10 10 gt 50 These limits can be read back by selecting each frequency in turn Figure 5 41 shows the display when set to 30kHz in the example above Advanced Operation 5 39 MULTI FREQ Set Frequency 1 0000kHz 3 0000kHz 10 000kHz 30 O000kHz 100 00kHz 300 00kHz 1 0000MHz Emp ty Nominal ECOG IMPEDANCE High L Low CL 10 000 7 10 000 y RUN Min
145. m 3 Querying the instrument state Version 1 0 Platform QuickBasic 4 5 Description This program will use queries to find out the current settings of the unit This program assumes that the GPIB configuration is correct enough to be able to run example program 1 correctly 1 kkxkxkkkxkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk SINCLUDE OBDECL BAS National Instruments include file CLS Clear the screen Initialise the GPIB CALL IBFIND WK wk Look for WK CALL IBCLR wk Clear the device Select the required operating mode CALL IBWRT wk IMP Go to measurement mode CALL IBWRT wk IMP FUNC AC Select AC measurements Start querying alc VAL GPIBQuery wk IMP ALC Query the ALC setting freq VAL GPIBQueryS wk IMP FREQ Query the AC frequency level VAL GPIBQuery wk IMP LEV Query the AC level range VAL GPIBQueryS wk IMP RANGE Query the range speed VAL GPIBQuery wk IMP SPEED Query the speed Print the status of the major settings PRINT AC Frequency freq Hz Print the AC frequency PRINT AC Drive level level V Print the AC level PRINT AC Range Print the AC range IF range 0 THEN PRINT AUTO ELSE PRINT range END IF PRINT ALC Print the ALC condition IF alc 0 THEN PRINT OFF ELSE PRINT ON END IF PRINT SPEED Print the test speed S
146. mands are defined by IEEE488 2 and are primarily concerned with the instrument s GPIB configuration e g reading error registers and identifying the instrument The subsystem commands are the higher level commands that follow the SCPI guidelines and are concerned with setting up the instrument functions e g changing the frequency and drive level 6 1 4 1 Message structure Messages are sent to the instrument as ASCII character strings The structure of these strings can be seen in Figure 6 1 When interpreting the strings the instrument is not case sensitive SUB PATH A j COMMAND i Figure 6 1 GPIB Message Structure The path command prefix allows access to commands in the SCPI command tree Using this approach greatly simplifies GPIB programming by allowing related commands to be grouped together The next part of the string is the command itself which has the structure shown in Figure 6 2 Multiple commands can be sent in one message by separating them with a semicolon maximum length 256 bytes The terminator indicates the end of the command string to the instrument this can be the sending of the line feed character ASCII OAh and or the assertion of the EOI handshake line on the GPIB bus General Purpose Interface Bus GPIB 6 3 MNEMONIC E DISCRETE q FA i REAL E vr INTEGER Figure 6 2 GPIB Command Structure Each instrument command begins with a mnemonic that describes the required action e g FREQ for chang
147. ment eisein ensia a e T E a a A a Ei 5 3 Figure 5 5 Effect of shunt loading on current terminal oooconcncnnicnncnnnnnccnocnncnnrnconcnancnrcnnonncnn 5 4 Figure 5 6 Example of Measuring Turns Ratio in TRANSFORMER MODE 5 8 Figure 5 7 INSULATION MODE Current Too Large oooooonnccnnonnnonononnnonnonnnonn nono nononoconocinonons 5 11 Figure 5 8 Unit Not Available nnna r en EE EE A AE 5 11 Figure 5 9 Active Connection for 2 TERM INSULATION MODE Pri GND 00 5 12 Figure 5 10 Active Connection for 4 TERM INSULATION MODE Pri GND 5 12 Figure 5 11 Active Connection for 2 TERM INSULATION MODE Sec GND 5 12 Figure 5 12 Active Connection for 4 TERM INSULATION MODE Sec GND 5 13 Figure 5 13 Active Connections for 2 TERM INSULATION MODE Pri Sec 5 13 Figure 5 14 Active Connections for 4 TERM INSULATION MODE Pri Sec onconcccocccnco 5 13 Figure 5 15 High Voltage ON warning cccecccecccecsseessecsseeeseeeseeescecseecsseceaecnseceseeeeeeseeeenneeaes 5 14 Figure 5 16 INSULATION MODE display readouts from above example oooconiooninnnncc 5 17 Figure 5 17 BINNING MODE Set Main Screen ococococccocccononononncononononncnncnononncnnccnncnncnnncnnans 5 19 Figure 5 18 BINNING MODE Nested Percentage Limits c oooconcnccnnninccnccnononcconanononncnnncnnonos 5 19 Figure 5 19 BINNING MODE Stacked Absolute Limits ooonconcncnnnnnconcnocncnnrncon
148. ments aiene preiars a E eves E a TEE E OEE 5 3 5 3 Measurement of Very Small Capacitors oooooconococonoconnconnononoconoconoconnoco noc nocna ron nnconacinacns 54 5 4 Measurement of Very Small Inductors oooooonooccoocononoconcconocoonoconoconoconocnn noc no cono cano cnn nono 5 5 5 5 Measurement of Iron Cored and Ferrite Inductors ooooonooonnnccnocnnonnnonnnonnnnoro cono connnnanonooo 5 5 5 6 Measurement of Transformers oireeton odr one seana aea aaa pae sa aaa aie aaea Aaaa 5 5 5 7 TRANSFORMER MODE ccccccsccssssstesssesssecenscesscessesssssceseseensesanesssscenscensseasesasesseeess 5 6 IMA AMP lO A AS aaa a nev aes 5 7 5 7 2 TRANSFORMER MODE Parameters 5 8 5 8 INSULATION MODE Optional cccecccesscesseesseeeeeeeeceeceeceaecesecsseeseesseeeeeeaeesaes 5 10 3 6 1 Connection Sn a ee 5 11 SZ TMM e rna cde a a E E EE E E eR 5 13 3 0 3 ODETA ONE o A RR 5 14 IAEA Ml ee eee 5 15 5 8 5 INSULATION MODE Parameters ooionnionnnnnncnncnnacciarrar ceca rra rn raras 5 17 5 9 BINNING MODE Optional risien ea Ra a E ar EN A S 5 18 3 9 1 BINNING MODE Set iiir iise AREER AEE RA REE R EE 5 18 5 9 2 BINNING MODE Sorte s cccccccccecscecscecscets cece eens eens tenes eee c seca ran narran 5 22 5 9 3 BINNING MODE Count cooccconiccnncononinnnocn non ncn rra rara rra 3 23 5 10 SEQUENCE EDITMODE cocaina dsd 5 24 5 10 1 Sequence Mode Program Files ooooninnnnnininicnnninicconnccnnconncnn cerraran rra 5 25 5 10 2 Sequence Mode Test
149. nacinanos 5 32 Sequence r n mode failte ed arenei e tdi ci td dto id cie 5 33 setings A NT 4 17 unto a Vall a da 5 12 5 22 Mode DIO A tn Lai risk 5 19 CO E a A ER RA A AA AAA 5 25 CAU A iS 5 24 di o ia dd idas 5 22 SEb PALAM A NAO 5 20 AR NRO ANNAN 5 24 SOLD DAME oa emetic aan rn 5 22 OMIA AA A AL A EA A T iN 5 51 Paramilitares ds 5 51 AO dais 5 49 quanitized frequency Steps mimosa oa dit 5 47 A O EE EE 5 33 PEA at e sea 4 26 XA A E RR O RR RO ROO 4 28 PUMA A A ii 4 30 Sd ena e 5 19 CX ANP os cas EE RANA 5 15 O OOO AO 5 17 MUI a A a 5 43 example NA 5 38 parametet Sirie NO 5 41 a O EN 5 43 A A is 5 41 TPC Siri da 4 12 4 14 4 15 4 27 5 19 5 23 5 31 5 53 TEO Td ns Aidit cs Me a et MeL Gem 5 50 sequence MA o R 5 31 single Shot a ns 4 12 4 14 4 15 4 27 5 11 5 19 5 23 5 53 teleco a O dt een 5 37 O RIN 5 34 PALAS E O O A ER Ce eT 5 36 A A 5 10 Si E OS ON 5 7 PALATE A O OA E aia 5 8 Multi fred TUI sss sestscccsecetssvensscsenseocsatsonsissonsaccucneseasssonsassdcccesensssbeadesccacccensesseosisecssecenesseasess 541 IM ccs scssessscsatecetscodberseenssecenosossvessnasesenccdssvessobsseensdesuessoevessocucesdvassssesovensscens 5 38 MES NO 5 43 SOS NO 5 38 PU O A a ae tek MDa oka 5 41 Navigation A NN 4 10 A EI AE A N E IA ENNE E N EA E I A N 4 16 IS OO 4 17 OLE trim PTISSCC sevcsssssccnaccsenscseconacesncesunedencbocesvessansddevmssesnecesutadcenssosvacseseaneecsesuckssoeaasenenscecss 4
150. nalyzer is in Repetitive mode if there is no continuously flashing asterisk in the top left hand corner of the screen press the front panel Sngl Rep control key the analyzer will briefly indicate which mode it is entering shown in Figure 4 10 and Figure 4 11 If the 2 4 Term LED is not lit press the 2 4 Term control key The 2 4 Term LED should light and 2 TERM TRANSFORMER MODE should be displayed at the top of the screen Press the Turns Ratio soft key Using the navigation keys highlight and set each of the following parameters in turn Use the and navigation keys to highlight a parameter and the data entry keypad or and navigation keys to alter the highlighted parameter setting Settings may be altered one step at a time or continuously by holding the navigation key down 100mVac 10 000kHz Ratio Np Ns Range Auto Speed Med ALC off Connect the component to be measured to the test leads or fixture The screen will display the measured value of turns ratio Advanced Operation 2 2 TERM TRANSFORMER MODE L Pri 1 0034 hac Pri Rdc Sec Leakage Pri l Leakage Sec C Pri Sec 100mVac 10 000kHz Ratio Np Ns INSULAT ION Range Auto CALIBRATE Speed Med ALC off Hide Setup Figure 5 6 Example of Measuring Turns Ratio in TRANSFORMER MODE 5 7 2 TRANSFORMER MODE Parameters The following TRANSFORMER MODE parameters are selectable with the ten soft keys to the right of the display Paramet
151. nance and Repait ccccccccecsseesseeseeeseeeseeeaecseceaeceaecaecnsecnseeeaeens 1 2 t4 Static Electra eli dara hain ans ewan 1 3 Ze INTRODUCTION conri E T E 2 1 3 INSTALLATION 0 seoti rak osoren neson oaia soekoer sie neni 3 1 LAC Line Connections A A Ad E 3 1 A LOCAL OM ONO 3 1 3 2 RACK Mountin 20 A ats Feats Na 3 1 3 3 Wayne Kerr Electronics Measurement Leads oooooccnoccnococonncooncconoconccon cono nocon ccoo nono nonnnoos 32 IILAO Mer Test A a ie 3 3 A OPERA TON a ls 4 1 Al The Rear Panel ina e EE E a E da RA 4 1 ALD Voltage Select o A Cn ied Seas 4 1 4 1 2 IEC Socket and Fuse Holder ooo 4 1 4 1 3 Rear Panel Control Connections cooooononinnnnnininccnccinccnaccrnr narrar rana arar 4 2 ALAS CY Inte rlock a ai 4 2 4 1 3 External TIOS o A a c 4 3 4 1 6 Parallel Printer Connect ooonninninninnninncnnccnccinccnnn rra nn rra 4 3 ELTOPIB CM a EE 4 5 ALS Auxiliary AM di cli dis 4 5 4 1 9 Auxillary Control Oti i e E EA E EO E 4 5 41 10 Auxiliary AC Out iiien n e A T E A R 4 6 4 1 11 Bin Handler Interface Option ooonnnnninnnninnnninnnninnin conocia 4 6 42 The Front Panels ioina ee a a e eii 4 8 4 2 1 Switching the Instrument ON ooionnnoninicinncinccnoncnonncan rra rra rra rra 4 9 4 2 2 Switching the Instrument OFF ioninnicincninccincancnn inner rra 4 9 423 The SO EROS a A A A AAA 4 9 4 24 The Navigation Keys it A ia 4 10 42 5 Th Control Kesare iieo e REY 4 11 4 2 6 The Data Entry Keypad coooiinnnininonnconnconncnnci
152. nasesebasedvvesvenessecsasecdecsonessoesenees 4 2 4 3 4 6 4 27 Fixture OU WILL A oneal eed onder 4 23 4 24 4 25 4 26 5 2 5 12 5 14 5 33 Four wire scanner fixture ccccssssssssreeeeees 4 23 4 24 4 25 4 26 5 2 5 12 5 14 5 33 Frequency COALSC FINE OPS ai dea ie 4 14 4 32 5 36 5 51 5 52 A NO 5 51 for measurement of iron cored and ferrite inductors oooooconoccnocononcnonnconnnonnnnoncconnnonnconn conan 5 6 for measurement of very small INdUCtOTS ooononnnoninonnonononnnoonononnnnnncnononanornnr naar orar rnnn ranas 55 high frequency Operation ccceccceescessscsesceseeeeseeeseeeseecsaecsaecaeceseecsaecsaecaeceseeeseeseeeeeeeeeeeenes 3 3 UMPC MAN CS MOMS tdi tei sees Vases a Medes eek A A Cees tata aa tan aks e RE 4 32 lead set recommendations cscccesccsseceseesecsecesecesecesecssecseeseeeceseceeeseeeeeseeeseesseeeeeeaeesaes 3 2 lin log representation in graph mode ccceesceeesseesceeneeeceeeeceseeeseecsaecsaecnsecesaecaeceaeenaeees 5 44 MEASULEMEN A A ta cited 4 32 multutreg modes a 5 37 quantized steps in graph MOC cecceeccesscessceseceeceeeseeeseceeceeeseeeseeeseeeaeecseeesaecneeenaeenaeenaees 5 47 PANGS eree trata T EARE T E 2 1 4 32 5 4 5 36 5 51 IRO MA A A A AA ET 549 sorting in multi freq MO ti ba a EE 5 41 SUP ai a a a a 3 1 Supply frequency TOM ici A A aw Ol bee 4 34 Ll aii 5 36 used forall freg MM a a a acia ies 4 25 Used for sPot i A A A A A LR eeks 4 18
153. ncinncnonononoconocnnonnos 5 31 Figure 5 35 SEQUENCE RUN MODE Failure Message ccccccccsseesseeseesecsteenteceteceeeees 5 32 Figure 5 36 TELECOMS MODE Simple Termination ooconccnncnnnnnnnnnnnnnnonnnnnnrncnncnnnnnccnncnnnins 5 33 Figure 5 37 TELECOMS MODE Direct Damped TermidatiO ococcnncninnncnnnnnnnncnnnncncnnnnons 5 33 Figure 5 38 TELECOMS MODE Damped Termination with DC Blocking Capacitor 5 33 Figure 5 39 Example of Measuring Insertion Loss and Return Loss in TELECOMS ALO canes onus tombe opted opts TO 5 34 Figure 5 40 MULTI FREQ Set Display With No Parameters Set UP cocoocnoccnicnconncooncconncnos 5 36 Figure 5 41 MULTI FREQ Set Display Example ooooonnoninocionanonnconnconnoconononoconoconacannnconnnos 5 39 Figure 5 42 Delete Frequency Message cccscccscccsssessseesseesseessecssecnsecesecseecnseeeseeseesereeeeeeaes 5 39 Figure 5 43 Initial MULTI FREQ Run Display from example in section 5 14 1 1 5 40 Figure 5 44 MULTI FREQ RU is adoro 5 41 Figure 5 45 GRAPH MODE St ococcocnccoconococncononononnnnncnnncononnnnnncn nono nonncn nano nana anno conc cnnncn rancia 5 42 Figure 5 46 Graph Plotted From Example cceccesccscssssessceseeeecesesaeeeecesecaeeeaeeeecaeeaeeeesaeees 5 47 Figure 5 47 Series Equivalent Cir CUlt oooocncononncnnncnnnnnccocnnnncnnncononncnnncnnonn conc cnn conca nn rncrnncnnncn nens 5 47 Figure 5 48 Parallel Equivalent Circuit 00 0 ececeescesececeeseesceeseeeceaeca
154. neral Purpose Interface Bus GPIB HAN EQU CCT Equivalent circuit query sona connecter ino toa rostro to 60 amenanecontctet a ea Query the damping network state 6 61 TELecom BLOCK Turn on and off the blocking capacitor in the damping 62 network General Purpose Interface Bus GPIB 6 19 TELecom Rd Query the telecom test damping network resistor Return the number of the frequency that is currently being edited MULTI FREQuency lt real gt Set the frequency for the currently selected step 6 66 Returns the frequency of the currently selected multi MULTI TEST MULTI FREQuency frequency step MULTI HIgh LIMit lt real gt Set the higher test limit of the currently selected step 6 66 Returns the high limit value of the currently selected multi MULTI HIgh LIMit frequency step MULTI LOw LIMit lt real gt Set the lower test limit of the currently selected step Returns the low limit value of the currently selected multi MULTI LOw LIMit frequency step ieee eee fe Tera La a 2 Ea a a 6 20 General Purpose Interface Bus GPIB GRAPH LOGF lt disc gt Selects the frequency scale type Returns the current measurement scale type Returns the first and second measurement from the current GRAPH MarKer 6 72 marker position GRAPH MarKerF lt real gt Move the marker to the frequency nearest the supplied value GRAPH MarKerF Returns the current marker frequency
155. ng and arrange insurance cover against transit damage or loss If possible re use the original packing box INDEX ADS Vo SOTUK CY sicssscsisssscnssisecenttassccecsdssnvessevenssetacvoneastvcesscoasss 4 31 5 19 5 21 5 38 5 41 5 45 LS NN 4 30 4 32 O O 2 Adjustment of variable components sccccccssceccccccssceecsscescccsssccesssscesscscesseesseseeseeseess 4 30 ALC wissssnssiesessecesssctsssvenseessesetedevesesensssentersonsacdensosstecsseaeess 4 34 5 4 5 6 6 11 6 14 6 27 7 3 ASUS lt lt sisscccesecsccectsssesssdecsscnstsnsetesseasesnntessoacssedseGe stevseessdecessedstsendesesescessses 4 12 4 27 4 28 5 7 ATICO TAN GE EE E EEE E 4 33 5 18 Automatic level control sescsececssssoscoeceessssoceceesesssssoseo 4 34 5 4 5 6 6 11 6 14 6 27 7 3 Bar graph display scccscccsscssssssseseeees 4 7 4 30 4 31 5 33 6 15 6 30 6 31 6 32 7 7 Battery NEO A soroen nosivo p sotos osre eoe eseten Soenen oD senes soros etoos 3 1 A E 2 1 4 2 43 4 6 4 9 4 11 4 33 5 44 6 14 6 26 7 4 Bin handler sedanini enean AN EAEE AEAEE EA N EAE 543 connector PIN assignment aeiiae enaa er a nn nono nono a a a e ranas 4 8 exo dl dd ies a eT ese 4 6 INLCTHA CC a ea eet Sl a eed Ah aa el al ae Ae a lore ae mnie 4 6 Binning MOE sissessccecessecasssesoesessecssssosssesvassvcessconccsseneseceessossesdenasacesssosvessoseasceesces 5 19 6 43 7 2 COUNT tl eee A 525 6 16 6 43 6 48 CU A TR 5 25 SOb E AEI
156. ning capacitor this should be connected to the ORANGE signal source lead to minimize noise pick up Measurement connections to transformers are simplified by providing separate primary and secondary connections These are automatically reconfigured by the instrument to suit the selected test mode The front panel BNC LEDs indicates which BNC connections are active in each case 5 2 In Circuit Measurements A component connected into a circuit can usually be measured even when the impedances of other components connected to it are comparable to or less than that of the DUT This is possible by connecting one side of all such components to the grounded neutral terminal of the analyzer as shown in Figure 5 4 The components Zd and Zs are connected to ground via the green clip lead when using Wayne Kerr Electronics leads Neutral Ground Brown Red Orange Yellow Sense Current Source Sense Detector Figure 5 4 In Circuit Measurements The presence of Zd introduces a small measurement error dependant on the frequency and impedance range in use Figure 5 5 shows the minimum shunt impedance i e R L or mC for an additional error magnitude or phase not exceeding 1 Note that when measuring high impedances it may be beneficial to use a drive level greater than 1V or to manually select a lower measurement range see section 4 7 2 IMPEDANCE MODE Parameters 54 Advanced Operation Freq Range Level lt 1V Level gt 1V 7 PD
157. nono nonan anar nonnnonn crono nonnncannnannno 5 5 0J 315 LOI a KAA SEEE EAE EET A E A EE eos ae EEE E E ET 4 18 HAU ita 5 54 6 10 6 11 6 86 telecos Mod nta dada tai 5 34 transforme Mode dd a abris aaa asta odie teo ds 5 7
158. ns are at a high voltage during this trim While high voltage is applied a message shown in Figure 4 21 below will be displayed on the screen To minimize the risk of electric shock AVOID TOUCHING THE TEST CONNECTIONS during the trimming operation AEREA Figure 4 21 High Voltage ON warning 4 3 3 Performing an S C Trim Sec This trim is required for transformer measurements 1 2 3 4 Select CALIBRATE either from the MAIN MENU or from a mode which has CALIBRATE as an option in which case pressing the bottommost soft key which will be labelled with the name of the original mode e g IMPEDANCE TRANSFORMER will return the analyzer to that mode The analyzer will enter CALIBRATE MODE shown in Figure 4 17 Select S C Trim Sec With the measurement leads connected to the Secondary BNC connectors short circuit the Kelvin clips see Figure 4 16 or fixture jaws Select the trim option required and wait until the analyzer has finished trimming The trim options are described in section 4 3 1 1 4 4 HF Lead Compensation The purpose of HF lead compensation is to eliminate scalar errors which are due to the test leads These vary with test lead length and become significant at frequencies above 200kHz Before performing HF lead compensation both O C Trim Pri and S C Trim Pri must be performed using the All freq trim option see section 4 3 1 above 4 4 1 Performing HF Lead Compensation 1 Select CALIBRA
159. o Speed Med ALC off Note Where a component is to be measured over a wide frequency range setting Range to Auto is recommended When the measurement parameters have been set press the RETURN soft key to return the instrument to MULTI FREQ Set mode 5 38 Advanced Operation 5 6 7 8 9 Highlight the first frequency shown highlighted in Figure 5 40 the and navigation keys scroll through each frequency in turn and enter the required frequency with the data entry keypad Highlight and enter the next frequency Continue to highlight and enter up to eight frequencies in this way This example will enter frequencies of 1kHz 3kHz 10kHz 30kHz 100kHz 300kHz and 1MHz With the first top frequency highlighted press either of the or navigation keys until the Nominal parameter is highlighted if using absolute limits there is no nominal parameter Enter the Nominal value with the data entry keypad for this example the nominal will be set to 100uH Still using the and navigation keys highlight the High limit then enter the required limit with the data entry keypad For this example all the limits will be set to 10 though they could be set to different values for each frequency Highlight the Low limit and enter the required limit Pressing the Enter key twice will echo the High limit but with the opposite sign Highlight the Minor term with the and navigation keys and enter the required va
160. o peed Hed peed Hed Bpeed Hed Figure 5 16 INSULATION MODE display readouts from above example 5 8 5 INSULATION MODE Parameters The following INSULATION MODE parameters are selectable with the soft keys to the right of the display Parameters which are common to both INSULATION MODE and IMPEDANCE MODE are described in section 4 7 2 IMPEDANCE MODE Parameters pA MQ Selects the measurement unit to display either pA or MQ See also Range below Pri Sec Sets the analyzer to measure leakage current between the transformer primary and secondary windings Depending on whether the analyzer is set to 2 or 4 terminal measurement the active connections shown by the LEDs above the BNC connectors are either the RED or BROWN BNC connectors respectively For measurements in this mode the active Primary BNC is connected to one end of the transformer primary winding and the active Secondary BNC is connected to one end of the transformer secondary winding Pri GND Sets the analyzer to measure leakage current between the transformer primary winding and its grounded metal case or screen Depending on whether the analyzer is set to 2 or 4 terminal measurement the active connections shown by the LEDs above the BNC connectors are the RED or BROWN Primary BNC connector and the ground lead which is the green clip lead when using Wayne Kerr Kelvin clip leads For measurements in this mode the active Primary BNC is connected to one end of the
161. o return to TRANSFORMER MODE 7 Select the transformer test required e g L Q Pri with the appropriate soft key 8 Change the setup parameters e g drive level frequency as necessary for the test being careful not to exceed the limitations of the component to be measured 9 Connect Primary and Secondary leads to the appropriate transformer windings 10 If the setup parameters are hidden press Show Setup 11 If the instrument is set to make repetitive measurements the measurement will displayed on the screen otherwise press the Trigger control key to initiate a measurement Advanced Operation 5 7 5 7 1 Example This example will take the user through the process of making a 2 terminal measurement of the turns ratio of a transformer The settings used are examples only and the user may substitute other settings subject to the limitations of the component to be measured The analyzer should be powered up with the test leads or fixture connected to the front panel BNC connectors according to the connection protocol for transformer mode see Figure 5 2 1 2 3 4 5 6 7 8 Press the front panel Menu control key The MAIN MENU will be displayed Press the TRANSFORMER soft key TRANSFORMER MODE will be displayed Press the CALIBRATE soft key and perform the trims listed in section 5 7 paragraph 5 When the trims are complete press the TRANSFORMER soft key to return to TRANSFORMER MODE Ensure that the a
162. one General Purpose Interface Bus GPIB 6 29 IMPEDANCE MODE IMP FUNC MAJOR First AC function query Parameters None Response Returns the measurement type according to this table 0 Inductance 1 Capacitance 2 Impedance Example 2 indicates that the first measurement is impedance Z IMP FUNC MINOR Second AC function query non polar measurements Parameters None Response Returns the measurement type according to this table 0 Q Factor 1 D Factor 2 Resistance Example 1 indicates that the second measurement is dissipation factor D Note that if the first measurement is polar Z this query will return the last non polar setting 6 30 General Purpose Interface Bus GPIB IMPEDANCE MODE IMP SCALE lt disc gt Show Hide the scale bar Parameters The following parameters are valid ON Show scale OFF Hide scale Example IMP SCALE OFF will turn off the scale Response None IMP NOMinal lt real gt Set the scale bar nominal value Parameters The required nominal value If a unit is supplied it must that of either the first or second measurement otherwise the unit mismatch error will be set If no unit is supplied the current nominal unit will be used Examples IMP NOMINAL 1e 6F will set a nominal of luF IMP NOMINAL 0 47e 5 will set a nominal of 4 7uF Response None IMP SCALE Returns the current status of the scale bar
163. or Q 50 000 CALIBRATE Figure 5 41 MULTI FREQ Set Display Example 5 14 1 2 MULTI FREQ Set Parameters Parameters which are common to IMPEDANCE MODE are described in section 4 7 2 IMPEDANCE MODE Parameters Delete The Delete soft key will delete the frequency which the lt symbol is pointing to Before deleting the frequency a message shown in Figure 5 42 will be displayed and must be acknowledged with either the Yes or No soft key Delete frequency Are you sure Figure 5 42 Delete Frequency Message Sort If the frequencies entered were not in sequence pressing the Sort soft key will sort them into ascending order Pressing Sort again toggles the frequency sequence i e the top frequency becomes the bottom frequency and vice versa The limits will stay with the frequency they relate to 540 Advanced Operation Off Abs Switches between no limits absolute limits or percentage limits When set to Off no nominal value or limits are displayed but any previously selected values will be retained in memory When Abs is selected High Low and Minor term limits are displayed when is selected the Nominal value together with High Low and Minor term limits are displayed The nominal and limits are set as described in the example above Nominal and limit values for MULTI FREQ Set mode are independent of those set in any other mode IMPEDANCE Enters IMPEDANCE MODE so that measurement parameters may b
164. ording to this table Example HAN RANGE 1 0 Auto ranging HAN RANGE AUTO 1 7 Current measurement range will select range 1 and auto ranging Example 0 respectively indicates that auto ranging is selected Response None General Purpose Interface Bus GPIB 6 55 HANDLER MODE HAN ALC lt disc gt HAN ALC Select the state of Automatic Level ALC status query Correction Parameters Parameters None The following parameters are valid ON ALC on OFF ALC off Response Returns the ALC state according to this table 0 OFF 1 ON 2 HOLD HOLD Hold current ALC level Example HAN ALC OFF will turn off ALC Response Example 2 None indicates that ALC is currently held HAN EQU CCT lt disc gt HAN EQU CCT Select the equivalent circuit type for AC Returns the currently selected equivalent tests circuit Parameters Parameters The following parameters are valid None SER Series equivalent circuit Response PAR Parallel equivalent circuit Res he eauivalene eiretie tine Example HAN EQU CCT SER according to this table will select series equivalent circuit 0 Parallel 1 Series Response Mane Example 0 indicates that parallel equivalent circuit is selected 6 56 General Purpose Interface Bus GPIB HANDLER MODE HAN FUNC L C Z Q D R Select major and minor terms Parameters Selecting first measurement HAN FUNC L Inductance HAN
165. ore bin set up at a given location in non volatile memory 41 Recall a bin set up from non volatile memory List all the set up in non volatile memory BIN SORT AND BIN COUNT MODES Single shot mode Repetitive mode Key Sequence Examples characters in Example 1 Supply the analyzer with a value of 27 39mH 1 Select the following settings in IMPEDANCE MODE AC Meas L Q Parallel Show Scale 2 Using the and keys highlight the nominal parameter underneath the left hand side of the scale 3 Key the following sequence 0 2 7 3 9 Units H check data entry line is correct then press Enter or 2 7 3 9 Units m H Enter If a mistake is made in a key sequence before pressing Enter press to delete the last key press or Clear to delete the whole key sequence Example 2 Set the frequency to 100kHz 1 Using the and keys highlight the frequency 2 Key the following sequence 1 0 0 0 0 0 Enter or 1 0 0 Units k Enter or 1 Units M Enter 4 16 Operation 4 3 Trimming The purpose of trimming is to eliminate the effects of stray capacitance or series impedance in the connecting leads or fixture The trim values are held in non volatile stores and for most measurements no retrimming is necessary The exceptions are e when the lead set or fixture is changed e when the highest possible accuracy is require
166. ould be similar to Figure 4 33 below IMPEDANCE MODE 98 36 uH 24 32 Q Show Scale ot o JE 100mVac 10 000kHz DC Bias 0 000 A OFF NORM Range Auto Hide Setup Speed Med CALIBRATE Figure 4 33 Example Display when Measuring the Inductance and Quality Factor of a 100uH Inductor Operation 4 29 4 7 2 IMPEDANCE MODE Parameters The following IMPEDANCE MODE parameters are selectable with the ten soft keys to the right of the display Rdc Meas AC Meas LCZ QDR Parallel Series Show Scale Hide Scale DC measurement of resistors The drive level is fixed at 100mV short circuit current 10mA The only measurement options are range and speed Allows AC measurements to be performed at the selected drive level and frequency The measurement terms and equivalent circuit are set with the next three soft keys The first measurement term When Z is selected the second measurement term is angle and the Q D R and Parallel Series soft keys are not appropriate and therefore not shown The second measurement term Parallel or Series equivalent circuit This soft key is not available when Z is selected see the narrative on L C Z above Toggles between Show Scale and Hide Scale The selection either shows a diagram of the equivalent circuit i e Parallel or Series or shows a bar graph representation of either of the measurement terms selectable by setting the nominal and limits see Abs below The bar graph
167. oval of parts except those to which access can be gained by hand is likely to expose live parts Safety 1 3 Capacitors inside the equipment may still be charged even if the equipment has been disconnected from all voltage sources Any adjustment maintenance or repair of the opened equipment under voltage must be carried out by a skilled person who is aware of the hazards involved Service personnel should be trained against unexpected hazards Ensure that only fuses with the required rated current and of the specified type are used for replacement The use of makeshift fuses and short circuiting of fuse holders is prohibited 1 4 Static Electricity The unit supplied uses static sensitive devices Service personnel should be alerted to components which require handling precautions to avoid damage by static electrical discharge Before handling circuit board assemblies containing these components personnel should observe the following precautions 1 The work surface should be a conductive grounded mat 2 Soldering irons must be grounded and tools must be in contact with a conductive surface to ground when not in use 3 Any person handling static sensitive parts must wear a wrist strap which provides a leaky path to ground impedance not greater than 1MQ 4 Components or circuit board assemblies must be stored in or on conductive foam or mat while work is in progress 5 New components should be kept in the suppliers packa
168. ow each parameter to be selected in turn When a Step the numeric value for AC level frequency and DC Bias the steps vary according to the value but are always multiples of 1 2 or 5 Finer frequency steps can be achieved by using the data entry keypad see section 4 2 6 For other parameters the and navigation keys change the settings e g parameter is selected the up and down navigation keys and Auto Range fixed range Slow Med Fast Max ALC off on Soft Keys Operation 4 11 Local qe qe Trigger Sngl Rep 4 2 5 The Control Keys Figure 4 7 The Control Keys Pressing Local restores control to the front panel when the instrument is under GPIB control Bias toggles the DC bias current ON and OFF Before bias can be switched ON the Bias parameter must be selected with the left and right navigation keys and and a Bias current value entered either with the up and down navigation keys and gt or using the data entry keypad see section 4 2 6 During AC measurements the 3260B can supply a DC bias current which is variable between 1mA and 1A DC Bias NORM and when used with an external 3265B DC Bias Unit up to 125A DC bias current is available DC Bias BOOST Whenever DC bias is on the message shown below in Figure 4 8 will be displayed at the top of the screen HAR ias ON Safety Hazard Figure 4 8 Bias Safety Hazard Notice Pressing the Menu key displays the MAIN MENU from where each mode of operation can be
169. played at the top of the screen Figure 4 28 will be displayed whenever the instrument is switched ON in HANDLER MODE after power is interrupted during O C Trim or S C Trim These messages will only be cleared by performing the appropriate trims The instrument can be used with the default settings but it is recommended that O C trim and or S C trim is run for full measurement accuracy Handler Factory Cal lost Default values used Figure 4 28 Handler Factory Cal Lost Message Operation 4 25 4 6 1 1 HANDLER MODE Trim Options Spot trim OPEN THE PRIMARY AND THE SECONDARY LEADS SHORT THE PRIMARY LEADS SELECT A CHOICE SELECT A CHOICE TO CONTINUE TO CONTINUE Figure 4 29 HANDLER CAL MODE O C Trim Options Figure 4 30 HANDLER CAL MODE S C Trim Options All freq trims at a number of frequencies including the frequency set when the trim was initiated For most measurements this is the normal trim option to use The other trim options are normally only used in exceptional circumstances such as when a fixture or scanner fails O C or S C trim at certain frequencies outside of the component test parameters Spot trim trims only at the frequency set in HANDLER MODE lt 10kHz trims at a number of frequencies up to and including 10kHz lt 100kHz trims at a number of frequencies up to and including 100kHz Abort cancels the trim and displays the HANDLER CAL MODE main screen Note If after trimming with an option other than All
170. pposite sign Only available when the bar graph scale is displayed If a standard component exists it can be connected to the test leads or fixture and measured by the analyzer Pressing Save Nom when either abs or is selected enters the most recent analyzer measurement of the component as the nominal test value for comparing all subsequent components with against limits Notes 1 To change this function from the first to the second measured parameter or vice versa first enter a dummy value with units via the keypad e g to change from L to R enter 1 units Q Enter then press the Save Nom key 2 Do not use the Save Nom function if the measured value is negative e g an inductor measured above its self resonant frequency Once the measurement parameters have been set Hide Setup can be selected to clear them from the screen The parameter settings are still valid and will be used for component measurements The bar graph scale and limits will still be displayed Hide Setup is used primarily to unclutter the display making it more easily readable Selecting Show Setup will redisplay the parameter settings Enters CALIBRATE MODE which is used for Trimming section 4 3 and Self Calibration section 4 5 Operation 4 31 The following IMPEDANCE MODE parameters are those displayed in the bottom left hand corner of the screen shown in Figure 4 34 They are only visible when Hide Setup is NOT SELECTED IMPEDANCE
171. press Show Setup Change the setup parameters 1 e Level Range and Speed as necessary for the test Connect the measurement leads fixture to the transformer see section 5 8 1 Connections Select the measurement unit to display with the HA MQ soft key 10 Press the Trigger control key to initiate a measurement 5 8 4 Example This example will take the user through the process of performing all three insulation test types on a transformer The settings used are examples only and the user may substitute other settings as required The analyzer should be powered up with two sets of Kelvin clip leads connected to the Primary and Secondary front panel BNC sockets according to the connection protocol shown in Figure 5 2 1 2 3 4 5 6 7 Press the front panel Menu control key The MAIN MENU will be displayed Press the INSULATION soft key INSULATION MODE will be displayed Select either 2 or 4 terminal measurement as required for subsequent tests with the 2 4 Term control key For this example 4 terminal measurement will be selected Press the CALIBRATE soft key and perform an O C Trim Pri Sec If necessary refer to section 4 3 2 for trimming details When the trim is complete press the INSULATION soft key to return to INSULATION MODE WARNING The test connections are at a high voltage during this trim While high voltage is applied a message shown in Figure 5 15 above will be displayed on the screen To
172. r special terminations See section 3 3 for a description of the measurement lead sets available from Wayne Kerr Electronics and for details of the connection protocol for manufacturing special test leads In all modes except HANDLER MODE the innermost pair of panel connectors carry the signal source ORANGE and current return RED signals while the outer pair serve to monitor the actual voltage at the DUT excluding any voltage drops arising in the source and return leads Due to the different lead configuration when in HANDLER MODE the innermost pair of Primary panel connectors carry the signal source ORANGE and current return RED signals while the innermost pair of Secondary panel connectors monitor the actual voltage at the DUT excluding any voltage drops arising in the source and return leads The following tables illustrate the connection protocol for use in impedance transformer and handler modes 5 2 Advanced Operation Primary BNC Connectors Secondary BNC Connectors INSTRUMENT Poo me som vse om wr Yellow not used not used not used not used Sense Low Drive Low Drive High Sense High leads marked not used may be left connected to the analyzer but are not used for the insulation test Figure 5 1 Connection Protocol for IMPEDANCE MODE Primary BNC Connectors Secondary BNC Connectors INSTRUMENT pec ees tn Pe es ee Connect one lead set to transformer primary Connect 2nd lead set to transformer secondary
173. rcentage limits are displayed The nominal value is displayed below the percentage limits and can be seen set to 100mH in Figure 5 18 The nominal is set by pressing the Nominal soft key and entering the value using the data entry keypad BIN SORT BIN COUNT Set Test Set Bin Set Condition CALIBRATE Advanced Operation 5 21 Enters BINNING MODE Sort see section 5 9 2 Enters BINNING MODE Count see section 5 9 3 Pressing the Set Test soft key displays the available measurement options The required option is highlighted with the and navigation keys and selected by pressing the Enter test soft key BINNING MODE Set Enter test aes 1 gi Ties Sec GND Abort Ns Sec Press Up amp Down cursor keys to select Figure 5 21 BINNING MODE Set Measurement Options Moves the cursor and confines it to the bin limits area of the screen The limits are set by highlighting each field using the navigation keys then entering the limits with the data entry keypad The and navigation keys move the cursor left and right one step at a time the and navigation keys move the cursor up and down the column See section 5 9 1 for more information about setting bin limits Moves the cursor and confines it to the test conditions area of the screen bottom left corner The test conditions are set by highlighting the parameter with the and navigation keys then altering the setting in pre determined steps
174. receded if necessary by O C and S C trims The instrument can be used with the default settings but it is recommended that the trims are run for full measurement accuracy Operation 4 21 HF Lead Compensation data is lost and default values have been applied To maintain full calibration accuracy above 500kHz run the HF Lead Compensation routine with the Transfer Standard capacitor connected Press any key to clear this message Figure 4 23 HF Lead Compensation Data Lost 2 If the instrument is switched to HANDLER MODE and then back to any other mode Calibrate Error will be displayed at the top of the screen when the measurement frequency is set to 200kHz or above This message will only be cleared and full measurement accuracy restored by successfully performing the HF lead compensation routine preceded if necessary by O C and S C trims 4 5 Self Calibration Self calibration is performed to set calibration constants for signal processing elements in the measurement hardware and signal generation system and to compensate for components which have drifted with time To maintain full specified accuracy it should be run at least every three months If it is not run within this period a reminder will be displayed at power up This message is shown in Figure 4 24 below To maintain full calibration accuracy the self calibrate routine should be run periodically This calibration is now due Allow the instrument to warm up
175. rent drive C Pri Sec Rdc Pri Drive Level not displayed Fixed at 100mV Rdc Sec short circuit current 10mA See also ALC in section 4 7 2 IMPEDANCE MODE Parameters Equ cet Available only for L Q Pri measurements Selectable between Series Parallel or Auto See L Q Pri above Ratio Available only for Turns Ratio measurement Selectable between Np Ns Ns Np or Ns Np x where x is a value between 0 001 and 10000 See Turns Ratio above 5 8 INSULATION MODE Optional Insulation tests can be made between transformer windings and from each winding to the grounded metal case or shell of the transformer For each transformer winding the test voltage is applied to one BNC connector only as indicated by the front panel LEDs If 4 terminal operation is selected this is the BROWN BNC connector voltage sense low For 2 terminal operation it is the RED BNC connector drive current return The active connections are shown in section 5 8 1 Connections The insulation test is a 3 terminal function If measuring insulation between primary and secondary windings any leakage to grounded terminals e g the transformer case or shell will be ignored The insulation from either winding to grounded terminals may be separately measured in which case primary to secondary leakage will be ignored If a measurement of total leakage resistance between windings is required make no connection to the ground lead i e the green c
176. resentation of a component or circuit across a user defined frequency range e output of measurement results and graphical display to an Epson compatible printer e sorting of components into bins according to their measured value and or minor term option e measurement of insulation resistance with a test voltage of up to 500V DC option e demagnetization of coils All the above functions can be selected via manual front panel control or remote control via the GPIB interface for fully automated high speed testing Installation 3 1 3 INSTALLATION 3 1 AC Line Connections The unit is provided with a power cable capable of carrying the input current for both 115V and 230V operation This cable should be connected via a suitable connector to the local AC power supply The colour code employed is as follows WIRE EUROPEAN N AMERICAN LIVE BROWN BLACK NEUTRAL BLUE WHITE GROUND GREEN YELLOW GREEN The supply voltage setting can be checked by looking through the transparent window on the rear panel next to the power inlet socket This can be changed by first disconnecting the unit from the electrical supply removing the window and adjusting the switch to read the required voltage Replace the window and ensure that the fuse rating is correct 230V 1A T 115V 2A T No adjustment is required for variation of supply frequency Before connecting the AC power read the precautions listed under section 1 2 AC Power Supply The
177. resonance search 0 Parallel 1 Series Response None Example 0 indicates the parallel resonance search circuit is selected RESOnance TRIG Begin a resonance search Parameters None Response Returns the resonant frequency capacitance inductance resistance and Q all separated by commas Example 77534195E 06 47321000E 05 89043000E 08 19562000E 02 221748E 02 indicating a resonant frequency of 775 342kHz with equivalent series values at resonance of 4 7321 uF 8 904nH 1 956mQ and a Q value of 22 175 6 82 General Purpose Interface Bus GPIB DEMAG MODE DEMAG Select demagnetization mode path Parameters None Response None DEMAG FREQuency lt real gt Set demagnetization frequency Parameters The required frequency in Hz Example DEMAG FREQ 100 will set a de magnetization frequency of 100Hz Response None DEMAG LEVel lt real gt Set the demagnetization initial level Parameters The required level in volts or amps Example DEMAG LEV 2 0V DEMAG LEV 0 02A will select drive levels of 2V and 20mA respectively DEMAG FREQuency Demagnetization frequency query Parameters None Response Returns the demagnetization frequency in engineering format Example 10000000 03 for a frequency of 100Hz DEMAG LEVel Demagnetization level query Parameters None Response Returns the demagnetization level
178. ress is 6 This may be changed by highlighting the GPIB address parameter with the and navigation keys then altering the address with the or navigation keys or the data entry keypad Allowable addresses are 0 to 30 inclusive This sets the frequency steps used when the measurement frequency is altered using the navigation keys Two options are available Coarse or Fine Set by highlighting the Freq steps parameter with the and gt navigation keys then using the or navigation keys to toggle between the two choices With Coarse steps selected the frequency steps are 33 or less with Fine steps selected the frequency steps are 1 or less Even with Coarse frequency steps selected the data entry keypad can be used to set the measurement frequency with the maximum possible resolution and accuracy Connection Measurement Test Conditions Ratio Correction Advanced Operation 5 51 Toggles the analyzer between 2 and 4 terminal operation by highlighting the Connection parameter with the and navigation keys then using the or navigation keys to toggle between the two choices Alternatively the 2 4 Term control key can be used to switch between 2 and 4 terminal operation see section 4 2 5 Note 1 When 2 terminal measurement is selected the 2 4 term control key indicator will light and the display will show 2 TERM MODE at the top of the screen 2 The leads will require retrimming when switching from 4 to 2
179. rogram message was evaluated by the instrument as being outside of its legal input range or is otherwise inconsistent with the instrument s capabilities Device Dependent Error True when any bit is set in the Encoded Message Register DDE Query Error QYE True when attempting to read data from the output buffer in which no data was present or when the data was lost 1 Request Control RQC Not used Always 0 Operation Complete OPC True when the instrument has completed all selected pending operations before sending the OPC command Execution Error EXE True when a parameter following a header of a GPIB command Figure 6 6 Standard Event Status Register General Purpose Interface Bus GPIB 6 9 Standard Event Enable Register ESR Logical OR Standard Event Enable Register Summary Message E A Event Summary Bit ESB ESE lt NR1 gt ESE Bit 5 of Status Byte Register Figure 6 7 Event Status Byte Register 6 1 6 4 Event Status Enable Register The event status enable register ESE is a mask determining the conditions in which the ESR will set bit 5 of the SBR It is bit wise ANDed with the ESR and if the result is not zero then ESB bit 5 of the SBR is set see Figure 6 7 Thus any event affecting the ESR can be made to generate a Service Request in conjunction with the ERE and the SRE The event status enable is set by the ESE command and read by the ESE command 6 10 General Purpos
180. s see Figure 5 3 for the connection protocol for HANDLER MODE The screen layout is similar to IMPEDANCE MODE but with the ability to measure turns ratio The bar graph analogue scale is not available in HANDLER MODE 5 12 1 Use of HANDLER MODE 1 Before any measurements are made using HANDLER MODE calibration MUST be carried see section 4 6 Handler Calibration for information and methods of handler calibration 2 Rde and AC measurements are performed in the same way as IMPEDANCE MODE See section 4 7 Measuring a Component in IMPEDANCE MODE 3 Turns ratio measurements are performed in the same way as TRANSFORMER MODE See section 5 7 Turns ratio measurements in HANDLER MODE are made under 2 terminal operation so the effects of measurement lead impedance and transformer shunt impedance cannot be avoided 5 13 TELECOMS MODE TELECOMS MODE allows line matching transformer insertion loss and return loss to be derived The user may specify values of source impedance and terminating resistance A damped network may also be selected with user specified values and if required a DC blocking capacitor in the source line The pictures below show the three configurations with default component values Advanced Operation 5 33 TELECOMS MODE TELECOMS MODE TELECOMS MODE I L dB LL dB is I L R L dB R L dB R L 2 2H R S 3E F i j EE j a Cat 10 0dBm 1 0000kHz 10 0dBm 1 0000kHz 10 OdBnm 1 0000kHz Z 600 0 2 Z
181. s ia ts 5 5 Of Very small inductors nenea e a dav ease Wes iaa 5 5 O a a as a a a a Sean eeansacessees 4 33 4 35 5 4 5 18 5 46 LOU A AA EA A dees deaths Peet a NA E 4 4 MS iS 4 30 Messages calibration a lot a tica 4 21 4 22 calibration data lost e 4 22 cannot set level lA ti ta A AL di E DA tee aes dd dees 4 34 c rrent too lar aa 5 11 delete bin counts are YOU sure oo eccceccecsseesseseeceeseeeseeeseeescecsaecsaeeeseecsaecssecaeensecnseeeanees 5 24 delete frequency are YOU SUTE oserei inep e eee EE EE EEE E E E iE 5 41 delete last result are YOU SUS ninan anaren a a p E a Ea ari 5 23 error message from an invalid keypad entry ooooncocinocnoonconnconnconnnonnnconcconnonnn nooo nooo nono neconanos 4 13 handler factory cal lost default values USCO ooooooocnnccnicononanonononononnnconn nono nonnnoonncnnno ron ccnn noo 4 25 HF lead COMPE ads lid 4 20 HF lead compensation data lost c cccccceccesscesseeeseeeseeeeeeeeceeceeeeeseeeseecsaecsaecnseenseceaeenaeees 4 21 DAVOS A to abv ede ET 4 19 5 14 AAN EC ec cceesseesseceseesceescecseecsaecsaecaeceseceseecssecseceaeceseeseeeseeeseneceseeeeeseaeenses 4 13 ARNO A RRA 4 34 NO ACHONAAK Mii a iii 5 31 resonance not found extrapolate cccccesccesscssscseeeceeceeeceseeseeeeeeeeeseeeseeseneeeseeeeeetaeesaes 5 50 self calibration reminder ii an aa diera 4 21 sequence run mode CONNECTION PLOMPt cooocooccnoconocononanonnnonnnnnn nono nono nooo ccoo no nono con ccoo nano
182. s that the GPIB configuration is correct enough to be able to run example program 1 correctly 1 kkxkxkkxkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk SINCLUDE OBDECL BAS National Instruments include file CLS Clear the screen Initialise the GPIB CALL IBFIND WK wk Look for WK CALL IBCLR wk Clear the device Select the required operating mode CALL IBWRT wk IMP Go to measurement mode CALL IBWRT wk IMP FUNC Z Select Z Angle Set up measurement conditions Level 100mV Freq 10kHz Alc Off Speed Medium Range AUTO Bias Off CALL IBWRT wk IMP LEVEL 0 1 FREQ 1E4 ALC OFF SPEED MED CALL IBWRT wk IMP RANGE AUTO BIAS OFF Perform the measurement buf SPACES 200 Prepare buffer for GPIB response CALL IBWRT wk TRIG Trigger a measurement CALL IBRD wk buf Read in the response buf LEFT buf ibcnt 1 Remove trailing characters The next piece of code extracts the numbers from the response so that they can be manipulated first VAL LEFTS buf INSTR buf 1 second VAL RIGHTS buf LEN buf INSTR buf 1 Display the final result PRINT Z first PRINT Angle second END The end General Purpose Interface Bus GPIB 6 95 6 3 3 Example 3 DECLARE FUNCTION GPIBQuery id Query 1 kkxkxkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk Progra
183. selected with the soft keys To select the second page of menu options press the Menu control key again or press the MORE soft key MAIN MENU MAIN MENU MULTI FREQ GRAPH RESONANCE DEMAG CAL STATUS SETTINGS BACK Figure 4 9 The3260B Main Menu pages 1 and 2 The 2 4 Term key selects 2 or 4 terminal measurement When 2 terminal measurement is selected the associated indicator lights and the display shows 2 TERM MODE at the top of the screen Switching between 2 and 4 terminal mode will require the analyzer to be retrimmed see section 4 3 4 terminal measurements are recommended when measuring low 4 12 Operation impedance devices Quoted accuracies assume 4 terminal connection whenever the DUT impedance is below 1kQ Sngl Rep toggles between Single shot mode and Repetitive mode When Sngl Rep is pressed the display briefly indicates the mode selected as shown in Figure 4 10 and Figure 4 11 below Single shot mode is also indicated by the lack of a continuously flashing asterisk in the top left corner of the screen Conversely the presence of a continuously flashing asterisk indicates that the instrument is in repetitive mode The asterisk flashes once every time the instrument makes a measurement Single shot mode Repetitive mode Figure 4 10 Single Shot Mode Figure 4 11 Repetitive Mode When in single shot mode the Trigger key initiates a single measurement If it is pressed and held the analyzer will fall
184. sone fs omit fo ore a a e e amore eea o a ias a enee a E m amonen f om a as ora 4 1 8 Auxiliary In For future expansion 4 1 9 Auxiliary Control Out For control of external options e g when using external DC bias current from a 3265B DC Bias Unit the 3260B AUX CONTROL OUT connector is connected to the 3265B AUX IN connector using the control link cable supplied with the 3265B DC Bias Unit 4 6 Operation 4 1 10 Auxiliary AC Out For future expansion 4 1 11 Bin Handler Interface Option For details of how to use the BINNING MODE Set Sort and Count modes refer to section 5 9 BINNING MODE Optional An external bin handler may be connected via a 25 way D type connector at the rear of the instrument see section 4 1 11 5 for bin handler interface pin assignment details If the option is fitted the instrument will measure a component sort it into one of the ten bins according to the measurement results and then provide the signals for external bin handling hardware to physically bin the component The interface supports up to ten external bins and provision is made for external bin handler hardware to trigger a measurement directly On power up the instrument recognizes if the bin handler option is fitted the BUSY line is taken low with the BDA and all BIN lines high Measurements may be triggered by pressing the Trigger key on the front panel or taking the external TRIGGER IN line lo
185. splay the SEQUENCE FILE screen select SEQUENCE EDIT MODE from the main menu and then press the File soft key from within the SEQUENCE EDIT MODE 5 10 1 2 Loading an Existing Program SEQUENCE FILE Loaded Program 00001 Program 00001 00050 38084 bytes free Figure 5 28 SEQUENCE EDIT MODE Sequence File Screen 1 Display the SEQUENCE FILE screen See section 5 10 1 1 Sequence File Screen 2 Use the and navigation keys to scroll through the list and press the Load soft key when the desired program is highlighted 5 26 Advanced Operation 3 To return to the SEQUENCE EDIT MODE press the Edit soft key 5 10 1 3 Creating a New Program SEQUENCE FILE Neu Loaded Program 00001 Load Program 00001 qee Delete Label 38084 bytes free New Prg i Figure 5 29 SEQUENCE EDIT MODE New Program 1 Display the SEQUENCE FILE screen See section 5 10 1 1 Sequence File Screen 2 Select the New soft key 3 Type a unique program number between 1 and 65535 followed by the keypad Enter key A single step test program will be created assigned the number entered 5 10 1 4 Adding a Program Label SEQUENCE FILE Loaded Program 00050 Program ABCDEFGHIJKL 00001 MNOPQRS TUVYX YZ0 123456789 00050 1 OS MY PROG1__ 38004 bytes free Figure 5 30 SEQUENCE EDIT MODE Program Label Advanced Operation 5 27 Any test program may have a label assigned with up to 10 characters 1 2 3 4 5 Displ
186. ssages will only be cleared by performing self calibration The instrument can be used with the default settings but it is recommended that self calibration is run for full measurement accuracy Calibration data is lost and default values have been applied To restore full calibration accuracy run the self calibrate routine preferably after the instrument has warmed up for at least 30 minutes at its normal operating temperature Press any key to clear this message Figure 4 25 Calibration Data Lost Operation 4 23 4 6 Handler Calibration In HANDLER MODE the front panel connections are reconfigured to make the analyzer compatible with many existing 4 terminal fixtures and scanners Due to the different lead configuration O C trim S C trim and HF lead compensation cannot share trim values with other modes The trim corrections saved by the instrument in HANDLER CAL MODE will overwrite those saved in the normal CALIBRATION MODE Therefore when the instrument is switched from HANDLER MODE to any other mode the instrument s default trim settings will be used when measuring components The instrument can be used with the default settings but 1t is recommended that the appropriate trims are run for full measurement accuracy Handler calibration consists of O C Trim S C Trim and HF Lead Compensation Notes 1 If the instrument is switched to HANDLER MODE and then back to any other mode Calibrate Error will be displayed at the top
187. suring the insertion loss and return loss of a line matching transformer The settings used are examples only and the user may substitute other settings subject to the limitations of the component to be measured The analyzer should be powered up with the test leads or fixture connected to the front panel BNC connectors according to the connection protocol for transformer telecom mode see Figure 5 2 1 Press the front panel Menu control key The MAIN MENU will be displayed 2 Press the TELECOM soft key TELECOMS MODE will be displayed 5 34 Advanced Operation 3 Press the CALIBRATE soft key and perform the trims listed in section 5 13 paragraph 5 When the trims are complete press the TELECOM soft key to return to TELECOMS MODE 4 Using the Simple Damped soft key select Damped termination 5 Using the Direct Blocked soft key select Blocked termination 6 Using the navigation keys highlight and set each of the following parameters in turn Use the and navigation keys to highlight a parameter and the data entry keypad or and navigation keys to alter the highlighted parameter setting Settings may be altered one step at a time or continuously by holding the navigation key down 10 0dBm default value 4 0000kHz Zo 600 0 Q default value Rt 600 0Q default value Ct 4 700nF default value Rd 600 0 Q default value Cd 4 700nF default value Cb 1 000MF default value 7 Connect the transformer to the test
188. t results and graphical display 7 5 7 Environmental Conditions This equipment is intended for indoor use only in a non explosive non corrosive atmosphere Installation Category II in accordance with IEC664 7 8 Specification Temperature Range Storage 40 C to 70 C Operating 0 C to 40 C Full Accuracy 15 C to 35 C Relative Humidity Up to 80 non condensing Pollution Degree 2 mainly non conductive Altitude Up to 2000m 7 5 8 Safety Designed to meet the requirements of EN61010 1 7 5 9 EMC Complies with EN50081 1 EN50082 1 generic emissions and immunity standards by meeting with the requirements of EN55022 IEC801 2 EN801 3 amp IEC 801 7 5 10 Mechanical Height 150mm 6 Width 440mm 17 Depth 520mm 20 Weight 11kg 24lb 40z 7 5 11 Accessories Supplied AC power cable 2m User Manual 7 5 12 Options and Accessories Binning Insulation Test A range of test leads and fixtures Rack mounting kit Theory Reference 8 1 8 THEORY REFERENCE 8 1 Abbreviations B C D E G I L Susceptance 1 X Capacitance Dissipation factor tan 6 Voltage Conductance 1 R Current Inductance Quality magnification factor 8 2 Formulae Z gt all terms complex A E Z Z R jX R jOL aL MC Z a RX z 2 2 JR X j Y G jB G j0C p J J ac ly G B ias SB j CG B where Xi OL Xc R Resistance
189. t 200kHz and above repeat the HF lead compensation as described in section 4 4 1 1 Press the front panel Menu control key The MAIN MENU will be displayed 2 Press the IMPEDANCE soft key IMPEDANCE MODE will be displayed 3 Ensure that the analyzer is in Repetitive mode if there is no continuously flashing asterisk in the top left hand corner of the screen press the front panel Sngl Rep control key the analyzer will briefly indicate which mode it is entering shown in Figure 4 10 and Figure 4 11 4 28 Operation 4 Use the soft keys to select the following parameters Pressing the soft keys will either toggle between two options or where more than two options are available scroll through the options from left to right one option at a time AC Meas L Q Series 5 Using the navigation keys highlight and set each of the following parameters in turn Use the and navigation keys to highlight a parameter and the and gt navigation keys to alter the highlighted parameter setting Settings may be altered one step at a time or continuously by holding the navigation key down 100mVac 10 000kHz DC Bias OFF set with the front panel Bias control key shown in Figure 4 4 and Figure 4 7 NORM can be set to BOOST only when a 3265B External Bias Unit is connected Range Auto Speed Med ALC on 6 Connect the component to be measured to the test leads or fixture The screen will display the measured values of L and Q The display sh
190. t by highlighting each in turn with the and navigation keys then entering the value with the data entry keypad When Sweep is highlighted the and navigation keys are used to set the Sweep parameter to Frequency Bias Bias Boost or Drive Level Step Size Mode Abs Major Minor Term Select Advanced Operation 5 43 The Step Size is the number of LCD display pixels used for a single point along the graph The higher the number selected the coarser the graph but the more quickly it is plotted Set by highlighting Step Size with the and navigation keys then select from 1 2 4 8 withthe and navigation keys When the Mode parameter is highlighted with the and navigation keys it may be toggled between Impedance mode or Transformer mode parameters see Major Minor Term Select below with the and navigation keys Once this selection is made the expected Hi and Lo limits for the y axis of the graph may be highlighted with the and navigation keys and the values entered with the data entry keypad If percentage limits are selected a Nominal value must also be entered no units are necessary this will always match the major term selection This soft key toggles between Abs and major term only When Abs is selected absolute Hi and Lo limits i e units of the measured parameter are displayed When is selected a Nominal value together with Hi and Lo percentage limits is displayed The limits and nominal
191. t can be used with the default settings but it is recommended that O C trim and or S C trim is run for full measurement accuracy Settings lost Loading default values Please wait Figure 4 18 Settings Lost Figure 4 18 will also be displayed when power is removed during other critical routines such as calibration and data entry 4 18 Operation 4 3 1 1 Trim Options Spot trim OPEN THE PRIMARY AND THE SECONDARY LEADS SHORT THE PRIMARY LEADS SELECT A CHOICE SELECT A CHOICE TO CONTINUE TO CONTINUE Figure 4 19 O C Trim Pri Options Figure 4 20 S C Trim Pri Options All freq trims at a number of frequencies including the frequency set when the trim was initiated For most measurements made using standard test leads and fixtures this is the normal trim option to use The other trim options are normally only used in exceptional circumstances such as when a special test fixture fails O C or S C trim at certain frequencies outside of the component test parameters Spot trim trims only at the frequency set in the last selected mode lt 10kHz trims at a number of frequencies up to and including 10kHz lt 100kHz trims at a number of frequencies up to and including 100kHz Abort cancels the trim and displays the CALIBRATE MODE main screen Note If after trimming with an option other than All freq a measurement frequency is selected which is outside of the trim parameters O C Trim Error or S C Trim Error will
192. t damage to the instrument but to avoid losing trim and calibration data the instrument should be switched OFF when it is in a quiescent state rather than when it is running a routine e g trimming calibration or data entry 4 2 3 The Soft Keys The general protocol is that soft keys labelled with UPPER CASE letters select the labelled mode and soft keys labelled with lower case letters select settings within the current mode The functions of the ten soft keys change according to the mode selected For example when the MAIN MENU is displayed by pressing the Menu key the soft keys relate to the various modes available e g IMPEDANCE TRANSFORMER etc Once a mode has been selected the soft keys labelled with small letters select settings within the mode while the soft keys labelled with capital letters select the labelled modes 4 10 Operation lower case letters soft key selects Mode Selected settings within the selected mode IMPEDANCE MODE 0 04 uH 0 00030 Q SO 1 00 Vac 1 6000kHz DC Bias 0 000 A OFF NORM Range Auto SEEI ALC off Global Setup UPPER CASE letters soft key selects the labelled mode Figure 4 5 The Soft Keys 4 2 4 The Navigation Keys Figure 4 6 The Navigation Keys When the set up details are showing on the screen in some modes there is a soft key which toggles between Hide Setup and Show Setup this soft key can be seen in Figure 4 5 the left and right navigation keys and all
193. tate of Automatic Level Parameters The following parameters are valid ALC on ALC off Hold current ALC level ON OFF HOLD Example TRAN ALC OFF will turn off ALC Response None TRAN FUNC NS NP Select the display of Turns Ratio Ns Np measurement Parameters None Response None TRAN ALC Automatic Level Control status query Parameters None Response Returns the ALC state according to this table 0 OFF 1 ON 2 HOLD Example 2 indicates that ALC is currently held TRAN FUNC MAJOR Major term query Parameters None Response 0 Ns Np 1 Np Ns 2 Ns Example 0 indicates that the transformer test is set to Ns Np General Purpose Interface Bus GPIB 6 39 TRANSFORMER MODE TRAN FUNC NP NS TRAN FUNC NP 2 Select the display of Turns Ratio Np Ns Np query measurement Parameters Parameters None None Response Response Returns the value of Np as floating None point number TRAN FUNC NS lt real gt Select the display of Turns Ratio Ns measurement Parameters lt real gt is decimal numeric data to specify the number of turns of Np Example TRAN FUNC NS 1 will set Np to 1 turn Response None 6 40 General Purpose Interface Bus GPIB TRANSFORMER MODE TRAN EQU CCT lt disc gt Select the equivalent circuit type for transformer tests Parameters The following parameters are valid SER Series eq
194. ter resonance mode path Parameters None Response None RESOnance StarT lt real gt Set the start frequency for the search Parameters The required frequency in Hertz The unit suffix Hz is optional Example RESO ST 1k Would set the search to start at 1kHz Response None RESOnance StoP lt real gt Set the stop frequency for the search Parameters The required frequency in Hertz The unit suffix Hz is optional Example RESO SP 1k Would set the search to stop at 1kHz Response None RESOnance StarT Returns the start frequency of the search Parameters None Response Returns the start frequency in engineering format Example 10000000E 05 For a start frequency of 10kHz RESOnance StoP Returns the stop frequency of the search Parameters None Response Returns the stop frequency in engineering format Example 10000000E 05 For a stop frequency of 10kHz General Purpose Interface Bus GPIB 6 81 RESONANCE MODE RESOnance EQU CCT lt disc gt RESOnance EQU CCT Select the equivalent circuit type for Returns the currently selected equivalent resonance search circuit Parameters Parameters The following parameters are valid None SER Series resonance Response Paes sre resem Ney Returns the equivalent circuit state Example RESO EQU CCT SER according to this table will select the series
195. the same impedance is inserted Range Error may be reported at the top of the display with no component in the fixture jaws The range is also maintained at that used for measuring the representative component When using ALC hold therefore the analyzer does not spend time computing the correct ALC compensation and range thus making measurements quicker Advanced Operation 5 1 5 ADVANCED OPERATION This section will provide the user with a guide to e front panel connections e in circuit measurements e measurement of very small capacitors e measurement of very small inductors e measurement of iron cored and ferrite inductors e measurement of transformers e using the various modes available from the MAIN MENU with the exception of CALIBRATE MODE which is covered in sections 4 3 to 4 6 and IMPEDANCE MODE which is covered in section 4 7 5 1 Front Panel Connections 5 1 1 Connection Protocol The analyzer has two sets of four front panel BNC sockets for screened cable connections to the device under test DUT In each case the outer connection provides the screening and the inner is the active connection The four Primary BNC sockets provide screened Kelvin connections for transformer primary or impedance measurements and the four Secondary BNC sockets provide Kelvin connections for transformer secondary and bin handler sense connections In some cases it may prove more convenient to use leads with crocodile clips or othe
196. tics are found by interpolation For resonances with reasonably high Q factors accurate results are returned for the resonant frequency fo self inductance Ls or self capacitance Cp The Q value and effective resistance at resonance Zo are also indicated 548 Advanced Operation For simple components where the above models are valid the series or parallel frequency obtained will also correspond to the minimum or maximum impedance point The results may not be valid for more complex components especially those exhibiting more than one resonance Before initiating a resonance search enter values for the Start and Stop frequencies corresponding to the range in which resonance is expected to occur The search process will complete more quickly if close limits are entered The search will be performed at the AC test level specified in IMPEDANCE MODE but other test parameters will be selected automatically and need not be specified Start the search by pressing the Find Series or Find Parallel soft key If a resonance is found the results will appear after a few seconds as shown in Figure 5 50 With the Find Series or Find Parallel label highlighted a further search may be initiated by pressing the Trigger key Alternatively press the soft key again If the resonance lies outside the frequency range of the analyzer it is possible to use an extrapolated search but the results will be at a reduced accuracy If no resonance is dete
197. ting an AC supply for a solenoid which can be used to lock the door while bias remains available The solenoid drive relay should have a 5V DC coil of resistance not less than 20002 Diode coil protection is provided within the bias circuitry The door lock is activated when Bias On is selected on the instrument If the door switch or interlock lead is broken DC bias is inhibited Operation 4 3 Note If the safety interlock is not required it is necessary to insert the 3 5mm jack plug with the ring and sleeve connections linked into the socket on the back panel Failure to do this will result in bias being inhibited and the message Bias Interlock being displayed 4 1 5 External Trigger The TRIGGER IN BNC socket is TTL compatible Logic low is equivalent to operating the front panel Trigger key This input is level sensitive and fully debounced and includes a pull up resistor to enable shorted contacts such as relays or footswitches to be used 4 1 6 Parallel Printer Connector Allows the instrument to be connected to an Epson compatible printer for printing of measurement results and graphs see sections 5 15 2 Parameters Available when the Graph is Displayed and 6 2 1 Command Summary Note The printer must be enabled before results can be output to it enter Code 30 from the MAIN MENU as described in section 4 2 6 1 If printer output is enabled with no printer connected or with the printer power switched off a messa
198. ting the parameter with the and navigation keys then altering the setting in pre determined steps with the and navigation keys or by finer increments using the data entry keypad 1mA to 1A is available internally NORM mode With one or more 3265B External Bias Units connected max 5 the unit may be toggled between NORM internal bias and BOOST external bias Up to 25A per 3265B is available in BOOST mode For more information see section 4 2 5 Toggles between auto range and manual range selection set by highlighting the parameter with the and navigation keys and altering the setting with the and navigation keys Auto range automatically selects the most accurate range for the measurement Circumstances where manual ranging may be more appropriate include e measuring non linear components auto range may hunt e to avoid the short auto range delay for example when using max speed with an auto handler The manual range is set using the data entry keypad Ranges 1 to 7 are valid When a manual range is selected the equivalent measurement range is shown on the display although range boundaries are impedance values they are converted to appropriate L or C values At higher frequencies or reduced levels availability of the highest or lowest ranges is restricted If a previously selected range is changed due to a change in drive conditions the selection will be remembered by the analyzer and reapplied when drive conditions
199. to reach that particular command within the tree When the unit is powered up the initial path is root which is the top level from which all paths must start Note that common commands which by convention always start with the character are not part of the tree and can be accessed regardless of the current path So to select the impedance measurement function in deviation mode the path must describe the command tree as below ROOT DEViation FUNCtion Z The character is used as the path separator so the command string will be DEV FUNC Z Note that the string starts with This tells the instrument to start from the root path Whenever a terminator is reached line feed and or EOI the path is reset to the root path so each new GPIB command string must state the full path in order to work correctly for example To set a measurement frequency of 1kHz at a level of 1 0V the following string can be used IMP FREO 1k LEV 1 0V lt line feed gt Or it can be expressed as two separate commands IMP FREO 1k lt line feed gt IMP LEV 1 0 lt line feed gt However the following will not work as the second command will be run from the root path not the measurement path which was required IMP FREO 1k lt line feed gt LEV 1 0 lt line feed gt General Purpose Interface Bus GPIB 6 5 Summary The following are the rules for negotiating the command hierarchy On power up
200. transformer primary winding and the ground lead is connected to the transformer metal case or screen Sec GND Sets the analyzer to measure leakage current between the transformer secondary winding and its grounded metal case or screen Depending on whether the analyzer is set to 2 or 4 terminal measurement the active connections shown by the LEDs above the BNC connectors are the RED or BROWN Secondary BNC connector and the ground lead which is the green clip lead when using Wayne Kerr Kelvin clip leads For measurements in 5 18 Advanced Operation this mode the active Secondary BNC is connected to one end of the transformer secondary winding and the ground lead is connected to the transformer metal case or screen TRANSFORMER Enters TRANSFORMER MODE see section 5 7 The following INSULATION MODE parameters are those displayed in the bottom left hand corner of the screen shown in Figure 5 16 They are only visible when Hide Setup is NOT SELECTED Level The DC voltage level used for the insulation test This parameter is selected with the and navigation keys and is altered with the and navigation keys or with the data entry keypad Levels of 100V 200V or 500V are available Range Enables manual or auto range to be set The parameter is highlighted with the or navigation key and toggled between manual and auto range with the or navigation key When manual ranging is selected the range is set with the data entry keypa
201. uH 0 1uH 100 10k Frequency Hz 100k 1M Specification 7 7 7 5 General Data 7 5 1 Power Supply Input Voltage 115V AC 10 or 230V AC 10 selectable Frequency 50 60Hz VA rating 100VA Input fuse rating 115V operation 2AT 230V operation 1AT The input fuse is in the fuse holder drawer integral to the IEC input connector 7 5 2 Display High contrast black and white LCD module 320 x 240 dot with CFL back lighting and manual contrast control Visible area 115 x 86mm Viewing angle 45 7 5 3 Measurement Connections 8 front panel BNC sockets Selectable 2 or 4 wire Kelvin measurements with screen at ground potential Separate terminals for primary and secondary connections Indication of active sockets 7 5 4 Remote Control Option Designed to GPIB IEEE 488 2 and SCPI 1992 0 7 5 5 Binning Interface Option 25 way D type connector on rear panel provides dedicated output lines for each bin with busy and data ready handshake lines separate pass fail output that operates with the bar graph function and a trigger input Outputs are 0 to 5V nominal with gt 10mA current sinking capability Trigger input is via contact closure or a negative logic edge logic high 4 to 5V 7 5 6 Printer Output Centronics parallel printer port on rear panel allows printing of test conditions measuremen
202. uivalent circuit PAR Parallel equivalent circuit AUTO Sets series or parallel equivalent circuit according to the resistance of the primary winding as follows gt 250Q Parallel lt 250Q Series Example TRAN EQU CCT SER will select that series circuit equivalent Response None TRAN RATio CORRection lt disc gt Select the type of transformer for turns ratio correction Parameters The following parameters are valid Normal transformer with low primary impedance OFF Normal transformer with primary impedance gt 50Q NORM AUTO Auto transformer common connection between one end of primary and secondary windings Response None TRAN EQU CCT Equivalent circuit query Parameters None Response Returns the equivalent circuit status according to this table 0 Parallel 1 Series 2 AUTO Example 0 indicates that parallel equivalent circuit is selected TRAN RATio CORRection Ratio correction query Parameters None Response Returns the turns ratio correction status according to this table 0 OFF 1 NORM 2 AUTO Example 0 indicates that turns ratio correction is OFF General Purpose Interface Bus GPIB 6 41 INSULATION MODE INSulation Select Insulation mode path Parameters None Response None INS PRImary SECondary Select Primary to Secondary insulation measurement Parameters None Response None
203. urements Carry out O C Trim Pri Sec as detailed in section 4 3 2 When trimming for HANDLER MODE operation 1 Ensure that the handler scanner is connected to the analyzer according to the connection protocol shown in Figure 5 3 2 Either a select Handler Calibration from CALIBRATE MODE or b select CALIBRATE directly from HANDLER MODE 3 Select the Insulation Trim soft key 4 Wait until the analyzer has finished trimming Notes 1 The stored trim values will be applied during 2 terminal insulation tests even if AC impedance and Rdc trimming correspond to 4 terminal operation 2 The Insulation Trim soft key is not available when CALIBRATE is selected from INSULATION MODE 3 If Insulation Trim is attempted with Kelvin clip leads attached to the analyzer in HANDLER MODE configuration the trim will fail because the RED and BROWN leads are shorted by the Kelvin clip 5 8 3 Operation The general procedure when using INSULATION MODE is as follows 1 Select the Menu control key followed by the INSULATION soft key 2 3 4 5 6 7 8 9 Advanced Operation 5 15 Connect the measurement leads to the analyzer according to the connection protocol detailed in section 5 8 1 Select 2 or 4 terminal measurement Refer to section 5 8 2 and trim the leads fixture Select the insulation test required 1 e Pri Sec Pri GND or Sec GND with the appropriate soft key If the setup parameters are hidden
204. urn ratio correction Off When measuring the turns ratio of auto transformers transformers with a common connection between one end of the primary and secondary windings the ratio correction should be set to Auto transformer 5 52 Advanced Operation Demagnetisation This is a global setting With Demagnetisation set On components measured using AC primary settings 1 e L Q C D Z R in IMPEDANCE MODE and L Q Pri in TRANSFORMER MODE will be demagnetized using the settings in DEMAG MODE before the component measurement is performed The demagnetization function will only occur when measurements are performed in single shot mode When the analyzer is set to make repetitive measurements the Demagnetisation function is disabled Low Magnetisation Sometimes when connecting a component to the measurement terminals the connection coincides with a signal peak from the analyzer which may saturate the component This situation can be avoided by setting Low Magnetisation On This global setting shorts the analyzer s terminals while the component is connected to the measurement leads fixture When a single shot measurement is performed by pressing the Trigger key the short is removed and the measurement made When the measurement has been made the short is reapplied to the analyzer terminals allowing removal of the component without the risk of saturation at this point When the analyzer is set to make repetitive measurements the
205. ved 3 Press the soft key labelled Move and use the Up and Down softkeys to reposition the test step 4 Complete the move of the test step by pressing the Ok softkey 5 11 SEQUENCE RUN MODE To open SEQUENCE RUN MODE select the Menu control key followed by the SEQUENCE RUN soft key SEQUENCE RUN MODE will be opened with the last selected program displayed regardless of whether it was selected in SEQUENCE RUN MODE or SEQUENCE EDIT MODE 5 11 1 Selecting a Program The required program is selected using the and navigation keys to scroll through the available programs Pressing the LIST soft key will display a list of the available programs 5 11 2 Program Development Entering code 50 via the data entry keypad will put the analyzer into single step mode so that as a program is run each program step measurement result is displayed together with the limits regardless of PASS FAIL results Running a program in this way allows program limits and settling delays to be adjusted while the program is being developed Code 50 must be entered after entering SEQUENCE RUN MODE and selecting a program but before running the program Code 51 or the next power up resets the analyzer to repetitive mode Advanced Operation 5 31 5 11 3 Running a Program Once a program is loaded see section 5 11 1 Selecting a Program it is run by pressing the RUN soft key A message such as that shown in Figure 5 34 will be displayed to prompt connection o
206. ventional components The jaws can be set to the component width for trimming and component Installation 3 3 measurements can be performed without moving the measuring leads stable lead positioning is Important when measuring low value inductors 3 3 1 Other Test Leads Other test leads can be used with the analyzer provided that they conform to the following connection protocol The front panel BNC sockets are for screened cable connections to the unknown component or test fixture use good quality 50Q screened cable e g RG174A U cable length should not exceed 2m In each case the outer connection provides the screening and the inner is the active connection Except in HANDLER MODE see Figure 5 3 for connections the innermost pair of panel connectors carry the signal source ORANGE and the current return RED signals The outer pair serve to monitor the actual voltage at the device under test DUT excluding any voltage drops arising in the source and return leads The common ground point should be connected to component guards and or screens for in circuit measurements The outers of the BNC sockets are not directly connected inside the analyzer so 1t is important that the GROUNDS are linked OUTSIDE For accurate high frequency operation the leads must be screened and the screens connected close to the DUT BR RD OR YW RD OR Cable screens connected together close to DUT Cable screens connected together close to D
207. w If a measurement is in progress when the unit is triggered the current measurement will be aborted and a new measurement started If the external trigger is to be used under GPIB control then the local trigger must be enabled by sending the GPIB command LOC TRIG ON The BUSY line goes low to acknowledge the trigger and also to indicate that the component between its terminals is in the process of being measured and should not be removed until the BUSY line goes high again The BDA line is the opposite logic level of the BUSY line The falling edge of the BDA signal indicates that the data on the BIN lines is valid In IMPEDANCE MODE the Pass Fail output corresponds to the scale bar PASS HI and LO In MULTI FREQ Run mode the Pass Fail output corresponds to the PASS FAIL HI and LO results The Pass Fail output goes low only when a measurement has passed all set limits see section 4 1 11 5 for the bin handler interface pin assignment Operation 4 7 awaiting trigger awaiting measuring maths measuring measurement measuring maths awaiting next aborted trigger trigger TRIGGER bin not selected w U gt Figure 4 3 Standard Bin Handler Timing bin selected 5 The two output signal lines BUSY and BDA Bin Data Available will at any time assume one of four different states 4 1 11 1 Null State The null state is defined as BUSY low and BDA high The instrument enters th
208. wer source 4 2 Operation 4 1 3 Rear Panel Control Connections Label Type Reference To protect user against SAFETY INTERLOCK 3 pole 3 5mm jack plug i See section 4 1 4 unintentional back emf Standard GPIB For remote operation Sections 4 1 7 and 4 2 5 Duplicates action of 3 TRIGGER IN BNC Section 4 1 5 front panel trigger key AUX IN 15 way D type male For future expansion Section 4 1 8 For control of external AUX CONTROL OUT 9 way D type female i Section 4 1 9 options AUX AC OUT For future expansion Section 4 1 10 To send results to local Sections 4 1 6 4 2 6 1 PARALLEL PRINTER 25 way D type female printer 5 15 2 and 6 2 1 OPTIONAL to interface HANDLER 25 way D type male et Sections 4 1 11 and 5 9 with bin sorting equipment 4 1 4 Safety Interlock DC bias current is inhibited until the safety interlock circuit is complete The terminal fixture for the inductor under test should be placed within a housing with an interlocked door controlled by a circuit such as that shown in Figure 4 2 below DOOR MICRO SWITCH MICRO SWITCH SHOWN WITH SOCKET ON DOOR OPEN REAR PANEL FIXTURE SOLENOID SLEEVE RELAY OR AC SOLID STATE SWITCH SUPPLY SOLENOID ENABLE Figure 4 2 Typical Bias Interlock Fixture Only when the fixture door is closed and the microswitch therefore made can DC bias be activated At this time the relay is energized activa
209. with the and navigation keys or by using the data entry keypad See section 4 3 Note this is not a binning calibration Note If the BINNING soft key is pressed when the binning option is not fitted the analyzer will report Unit Not Available Figure 5 22 Unit Not Available Figure 5 22 Unit Not Available Message 5 22 Advanced Operation 5 9 2 BINNING MODE Sort Before sorting components into their respective bins the bin limits should be set up as described in section 5 9 1 BINNING MODE Set When the limits are correctly set up and the screen is displaying the desired limits mode i e absolute limits Abs or percentage limits the BIN SORT soft key can be selected from the BINNING MODE Set display BINNING MODE Sort can be performed in Repetitive mode Single shot mode or under GPIB control if performed in Single shot mode the Count total will be updated in the background see section 5 9 3 As each component is inserted into the fixture and the measurement made the bin designation for the measured component is displayed together with the measured value s The component may now be placed into the appropriate bin and the next component placed in the fixture ready for sorting BINNING MODE Sort 108 25MH merete tas 0 21040 Q seba B in 6 BIN COUNT Type of test L Q Pri Y Mode 100mVac 10 000kHz DC Bias 0 000 A OFF Range Auto Hide Setup Speed Med ALC off CALIBRATE Figure 5 23 BINNING
210. would indicate that fast GPIB is selected 6 90 General Purpose Interface Bus GPIB ROOT COMMANDS MODE Query the currently selected operating mode Parameters None Response The current mode Main menu Impedance Transformer Calibrate Insulation Binning Sequence Edit Sequence Run Handler Telecoms Multi Freq Graph Resonance Demag Cal Status Settings Example 1 would indicate that Impedance Mode is selected General Purpose Interface Bus GPIB ROOT COMMANDS DUMP BMP Returns the display as a windows compatible bitmap The data conforms to IEEE 488 2 or SCPI Indefinite Length Arbitrary Block Response Data Parameters None Response None DE MAG lt disc gt Set demagnetization function state Parameters The required demagnetization state ON Enable demagnetization function OFF Disable demagnetization function Example DE MAG ON will turn on the demagnetization function Response None LO MAG lt disc gt Set low magnetization function state Parameters The required low magnetization state ON Enable low magnetization function OFF Disable low magnetization function Example LO MAG ON will turn on the low magnetization function Response None 6 3 Example Programs DE MAG Query demagnetization status Parameters None Response The selected demagnetization status 0 OFF 1 ON LO MAG Query low magnetiz
211. y 1 2 AC Power Supply Power cable and connector requirements vary between countries Always use a cable that conforms to local regulations terminated in an 1EC320 connector at the instrument end If it is necessary to fit a suitable AC power plug to the power cable the user must observe the following colour codes WIRE EUROPEAN N AMERICAN LIVE BROWN BLACK NEUTRAL BLUE WHITE GROUND GREEN YELLOW GREEN The user must also ensure that the protective ground lead would be the last to break should the cable be subject to excessive strain If the plug is fused a 3 amp fuse should be fitted If the power cable electrical connection to the AC power plug is through screw terminals then to ensure reliable connections any solder tinning of the cable wires must be removed before fitting the plug Before switching on the equipment ensure that it is set to the voltage of the local AC power supply WARNING Any interruption of the protective ground conductor inside or outside the equipment or disconnection of the protective ground terminal is likely to make the equipment dangerous Intentional interruption is prohibited 1 3 Adjustment Maintenance and Repair WARNING The equipment must be disconnected from all voltage sources before it is opened for any adjustment replacement maintenance or repair When the equipment is connected to the local AC power supply internal terminals may be live and the opening of the covers or rem
212. y Keypad ooooooocinoninoninonnonnconncnnnncon nono ncon nooo nono nooo nono noc na cano rannnnnnannss 4 12 Figure 4 13 Example of an Error Message from an Invalid Keypad Entry ooonoocnncinccnncccooo 4 13 Figure 4 14 Nearest Available Error Message cscceccesesereeseeeceeseeeeceaeeaeeeeecaeeeneeaeenaeeaees 4 13 Figure 4 15 Connections for O C trimming of Kelvin ClipS ooooonnccinnnnnonnooonoonnnnnconnnnnnonoos 4 16 Figure 4 16 Connections for S C trimming of Kelvin Clips oooonnoninoninonnoncnoonnnoconanonnononanonoos 4 16 Figure 4 17 Calibrate Mode sec se aaa 4 17 Figure 4 18 Settings LOS diciones 4 17 Figure 4 19 O C Trim Pri Options ieser e e nono no nono cn i ii nncinncns 4 18 Figure 4 20 S C Trim Pri Options cccccccccsseesseesseeseesseceecesecesaecsaecsaeceseenseeeaeeseeeseeeenneenes 4 18 Figure 4 21 High Voltage ON warning occoocococoncconccononononnconcnnncnncnononncnncnn nono cnn nc nana nanncnna nacen 4 19 Figure 4 22 HF Lead Compensation ececceeccesesseseecesecseeeseesecaceeceesecaeeaeeeeeeaecaeseneeaeeaaeeaees 4 20 Figure 4 23 HF Lead Compensation Data LOSt ooooonnocinocinocinoccoonconncnonoconoconoconoconocano roo noconnnos 4 21 Figure 4 24 Self Calibration Reminder ccccccccssccssseesteceneceeceeceseeeseecnsecnseeeeeseeeeneeeeneesss 4 21 Figure 4 25 Calibration Data Lost cccccccccecsseesceesseeseeessecesecesecescecsaecsaecnseenseesaeeeeeeseeeenneesas 4 22 Figure 4 26 Handler

User manual for WK3260B Magnetics analyzer

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