Home

4510-QIVC and 4511-QIVC Quad IV Cards User`s Manual

1. External Signals Internal Signals I SOURCE Output Control Relays OUTPUT OFF_SHORTED I SOURCE HI I SOURCE HI V MEASURE HI V MEASURE HI V MEASURE LO V MEASURE LO I SOURCE LO I SOURCE LO V SOURCE HI V SOURCE HI GUARD V SOURCE SENSE LO V SOURCE LO 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual Installation amp Connections 2 11 Figure 2 8 Output Off_Open state External Signals Internal Signals I SOURCE Output Control Relays OUTPUT OFF_OPEN I SOURCE HI I SOURCE HI V MEASURE HI V MEASURE HI V MEASURE LO V MEASURE LO I SOURCE LO I SOURCE LO V SOURCE Output Control Relays OUTPUT OFF_OPEN V SOURCE HI V SOURCE HI GUARD V SOURCE SENSE LO V SOURCE SENSE LO V SOURCE LO V SOURCE LO Reverse current bias and laser diode considerations Some diode like devices laser diodes in particular may tolerate very little reverse current The QIVC specifications show that there is a small ambiguity of the current source at zero current which is given as the offset portion of the current source accuracy specification Appendix A This offset current is unsigned meaning it may be a negative or reverse current If this current may cause problems with the device under test adjust the source value slightly positive by this offset when the desired output current would be normally be set to zero Using both l Source and V Source subchannels with a single DUT The Off Open state
2. 0 esesesesesseecseesteseeseceeeeceeceecneeseseecaecaeeaceessaeseseeseesneeaeeateeeeaes 3 9 Configuring a channel E 3 9 K pp Atest serrer erer Narena eeeeges reaver vied Andee earner eit ede Aerials ane 3 14 Saying test data toa file cccsccsccsscescsesccssncsscossseessscsesssnsoanssccsncessnescencessdcosecssnasasssesenassesnsiccssecsanerssanasazeses 3 15 Programming eer WU e 4 2 Operation GEELEN ege eigene ee eege ele eer via 4 2 Channel designation description c ccccceccessessecssessecseceecaeeeecesesseceseeseeeaeeeeecaeceaeaesaecaecessessseeeaaecaeenaeeaeens 4 2 Channel erouips eege ee ante E LEERE EEE an neve nt eee EE EAEE EEEE ETE ahs teense 4 3 Sweep and sourcing terminology cccecessecsccssseseceseeeecesceseeeseeeeceseeseecaecsaecaecaaesaecaeceeeceeseseseeseaeseeeeaeeeneeaees 4 4 Immediate E 4 7 Memory E 4 8 Using the 4500 driver with various programming environments cecceeseesceseeeceseceecseceeeesececeeeeeseensereees 4 10 R f rences to online Wel py sissies serere EEEREN Eegeregie 4 10 Basic assumptions seepran hives nether dette ress ONE E eiert e Eed 4 10 Using specific programming environments 0 0 ceeeseseeeecseceeseeseeseesceecsseseeeeseeceesseesessecaeeaeeeceaeeesneeteaeeas 4 10 User programming seee EE ene 4 12 e 4 12 Driver details eseu EAR erger EEN EAEE aE ERATE AKEE 4 12 SS OUDCS COGS eene een ee eege eegen TA E d se 4 13 Driver Dupong ee dee ARENS EE deena NEEE EEEE aoe enenteem sone
3. If any one of the channels on the same order in the channel group has a different number of points an error will be generated when the Ke4500_Initialize function is called 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual Programming 4 15 KE4500_ConfigISourceListSweep Purpose Description NOTE Configures channel s to source current based on a list on the I Source subchannel s Configure a list current sweep on the I Source of channel s The list can contain current values in any order as long as the values are within the limits of the range set on the channel If there are any channels enabled to measure I or V then these channels are ONLY measured inside the innermost sweep loop See Sweep and sourcing terminology page 4 4 for more details about how sweeping works You must make sure that there are no gaps in the orders for all the chan nels in a channel group For example if you configure a sweep List or Linear on IVC with an order of 1 and you then configure channel IVC2 on an order of 3 an error will be generated when the Ke4500_Initialize function is called If two or more sweeps have the same sweep order then the number of points in all of the sweeps on that order must be the same If any one of the channels on the same order in the channel group has a different number of points an error will be generated when the Ke4500_Initialize function is called KE4500_ConfigISourceReadback Purpose
4. g Channel D Enable D e Closing switch enables Card 1 Channel D g Card 2 Channels A and B 4500 CILK Interlock d interlock oe AN pe ee ee tae a HE cable cable 9 pin connector terminals 3 Basic Operation 3 2 Basic Operation 4510 QIVC and 4511 QIVC Quad IV Cards User e Manual Introduction This section contains basic information for using the 4510 QIVC and 4511 QIVC Quad IV cards including environmental conditions and basic software operation when using the embedded sweep example program NOTE See Appendix B for detailed terms concepts and definitions Environmental conditions Temperature and humidity For optimum accuracy the 4510 QIVC and 4511 QIVC cards should be operated at an ambient temperature of 18 C to 28 C at a relative humidity of 5 to 60 For operating environments outside these ranges accuracy specifications must be derated see specifications Warm up period For optimum accuracy turn the system on and allow a one hour warm up period before use Basic software operation 4500 MTS folder Figure 3 1 shows the typical contents of the 4500 MTS folder located on the main desktop NOTE Actual 4500 MTS folder contents may vary depending on installed cards and software version Be sure to refer to the release notes and help files for updated software information not contained in this manual Briefly contents include e Release notes Includes information on this particular v
5. mode you can use the example program to control card s installed in the mainframe set source values perform sweeps and take measurements NOTE The included Embedded Sweep Example program provides sweep con trol of the 4500 with OIV card s but is not intended as a comprehensive interface to all of the functionality available in the 4500 MTS system See Section 4 for details on controlling the 4500 MTS using a program ming environment Multiple channel groups A single instance of the 4500 MTS Embedded Sweep Example program can be used to config ure different channel groups However it can only run one channel group at a time Multiple channel groups can only be run sequentially after the previous test has stopped If you would like to run a simultaneous test on another channel group run a second instance of the Embedded Sweep Example program and configure another channel group Embedded sweep example software overview As shown in Figure 3 4 the 4500 MTS Embedded Sweep Example Software screen contains three areas the Channel Tree on the left side of the screen showing the Channel Groups con text sensitive configuration tab s on the right side and a status message area at the bottom The first action is to make a connection to the 4500 MTS by clicking Connect After the connec tion is made the fields on the right side are populated to show what 4500 cards are present in the system By clicking on one of the channel groups in
6. removed for card installation removal or cover removal and it should be removed only for servicing Hazardous voltages will be exposed when the shield is removed Rotating fan blades can cause minor cuts or injury Keep hands clear when servicing 4 To re install install the flat cover plate and tighten the twelve 12 screws place the cover on the case then attach it with the six 6 screws Installation procedure Install a 4510 QIVC or 4511 QIVC card using the procedure below and Figure 2 3 on page 2 5 as a guide This procedure assumes that the case cover is already removed as previously discussed CAUTION Handle the card only by the edges to avoid contamination that could affect measurement quality Do not touch PC board traces or edge connector contacts Use a ground strap and proper grounding techniques to avoid damage caused by static discharge NOTE A maximum of eight 4511 QIVC cards should be installed in a 4500 MTS mainframe Operation with nine 4511 QIVC cards is not recommended 1 Remove the desired slot cover plate from the rear panel by removing the securing screw 1 and bracket 2 Remove the PCI card retainer by loosening the three 3 retaining screws and sliding the bracket off 3 Carefully remove the card from its antistatic shipping bag 4 Position the card above the appropriate PCI slot aligning the card with the card edge rails and rear slot opening Line up the edge connectors with the slot connector
7. 3 5 Safety symbols and terms 1 4 Saving test data to a file 3 15 Software installation 2 5 Specifications 1 3 A 1 Supplied software 1 3 Supported operating systems 1 3 Supported software platforms 1 3 Sweep 4 6 Sweep and sourcing terminology 4 4 T U V W Temperature and humidity 3 2 Terms Concepts and Definitions B 1 Unpacking and Inspection 1 4 User programming 4 12 Using specific programming environments 4 10 Using the demo software 3 4 Visual BASIC 4 10 Warm up period 3 2 Warranty information 1 3 KEITHLEY Service Form Model No Serial No Date Name and Telephone No Company List all control settings describe problem and check boxes that apply to problem J Intermittent m Analog output follows display J Particular range or function bad specify J IEEE failure LJ Obvious problem on power up IJ Batteries and fuses are OK J Front panel operational J All ranges or functions are bad Ld Checked all cables Display or output check one LI Drifts LJ Unable to zero LJ Unstable LJ Will not read applied input Ld Overload LJ Calibration only I Certificate of calibration required J Data required attach any additional sheets as necessary Show a block diagram of your measurement system including all instruments connected whether power is turned on or not Also describe signal source Where is the measurement being performed factory controlled laboratory o
8. C Ziirde current 23 C 1 C Y rdg current Resolution 10 000uA 0 1 15nA 0 063 12nA nA 500uA 0 1 70nA 0 063 55nA SnA 10 0000mA 0 1 1 4uA 0 063 1 luA 100nA VOLTAGE BURDEN lt 14 mV OUTPUT RELAY ISOLATION The GUARD signal is not isolated with a relay The following information applies when the output state is set to OFF OPEN HI Impedance TYPICAL ISOLATION LEAKAGE CURRENT 30nA MAXIMUM ISOLATION VOLTAGE 12V DC MAXIMUM ISOLATION RELAY SETTLING TIME 10ms GENERAL SPECIFICATIONS DIGITAL INTERFACE OVERRANGE 105 of Range Source Functions 110 of Measure Measure Functions COMMON MODE VOLTAGE 20V DC maximum WARM UP TIME hour OVER TEMPERATURE Two on board over temperature detectors ENVIRONMENT Accuracy specifications are multiplied by one of the following factors depending upon the ambient temperature and humidity Safety Interlock e Customer provided closed contact on a per channel basis to enable output e Ona channel group basis opening of customer provided contacts disconnects the sources from loads on the Voltage Sourced and Current Source 5 volt level 500Q input impedance Supplies 5V fused amp and Ground RELATIVE HUMIDITY TEMPERATURE 5 60 60 70 10 lt 18 C X3 X3 18 28 C X1 X3 gt 28 40 C X3 X5 WEIGHT approx 0 9kg 2lbs Notes 1 The 24 hour specification applies only for the 24 hour period immediately fol
9. Description Configures channel s to measure the current being sourced Configure readback of the current being sourced on the channel PROG I is the calculated I value that is what the source was told to out put When measuring the real current being sourced there are two options to auto zero on every reading or to auto zero only on the first reading KE4500_ConfigMeasurementSpeed Purpose Description Configures the speed of measurement or NPLC Number of Power Line Cycles for channel s Sets the measurement speed for channels in NPLCs This function affects both the I Sources and V Sources of the channel This speed affects the following functions KE4500_ConfigISourceReadback KE4500_ConfigVMeasure KE4500_ConfigIMeasure KE4500_ConfigVSourceReadback KE4500_VFforceIMmeas KE4500_IForceVMeas KE4500_ConfigVMeasure Purpose Description Configures channel s to measure the voltage on the I Source of a channel Configure voltage measurement on the I Source of a channel The 451x QIVC card has a fixed range of 6 Volts 4 16 Programming 4510 QIVC and 4511 QIVC Quad IV Cards User e Manual KE4500_ConfigVSourceBias Purpose Description Configures the voltage to output on the V Source of channel s Use this function if you just want to output a fixed voltage level on the V Source of a channel If no sweeps are configured and you want to output a voltage level on a channel set the initial and le
10. Table B 1 for a list of the available measurements and Table B 2 for source values Session is a VISA concept There are two types of sessions instrument and Channel Group Communication with the 4500 MTS must be estab lished by creating an instrument session using the KE4500_Init com mand supplying the IP address of the 4500 MTS This command returns a value called the instrument session handle which is used as the instrument session reference For establishing Local Control of the 4500 MTS use KE4500 or 127 0 0 1 as the IP Address See Chan nel Group for definition Each Channel of the QIV cards consists of two Subchannels See Chan nel for more information A Sweep is a test where the output is programmed to step through spe cific source values while performing measurement s at each source value The 4500 and QIV cards support many sweep types The sweeps are either controlled by the Embedded Controller Embedded Sweep or by the Mainframe PC Mainframe Sweep The Embedded Controller supports both Linear Sweep and List Sweep The Mainframe Sweep relies on the control program running on the Mainframe PC One of two QIVC source measure modes Sweep and Immediate The sweep mode is an Embedded Sweep where multiple steps are per formed for both source and measure Contrast with Immediate Mode Sweep Order defines the nesting level of a channel in a Nested Sweep Tester Application Programming Interface The Instr
11. The American National Standards Institute ANSI states that a shock hazard exists when voltage levels greater than 30V RMS 42 4V peak or 60VDC are present A good safety practice is to ex pect that hazardous voltage is present in any unknown circuit before measuring Operators of this product must be protected from electric shock at all times The responsible body must ensure that operators are pre vented access and or insulated from every connection point In some cases connections must be exposed to potential human con tact Product operators in these circumstances must be trained to protect themselves from the risk of electric shock If the circuit is capable of operating at or above 1000 volts no conductive part of the circuit may be exposed Do not connect switching cards directly to unlimited power circuits They are intended to be used with impedance limited sources NEVER connect switching cards directly to AC mains When con necting sources to switching cards install protective devices to lim it fault current and voltage to the card Before operating an instrument make sure the line cord is connect ed to a properly grounded power receptacle Inspect the connecting cables test leads and jumpers for possible wear cracks or breaks before each use When installing equipment where access to the main power cord is restricted such as rack mounting a separate main input power dis connect device must be provided in close p
12. carefully before performing the indicated procedure The CAUTION heading in a manual explains hazards that could damage the instrument Such damage may invalidate the warranty Unpacking and Inspection Inspection for damage The Model 451x QIVC card was carefully inspected electrically and mechanically before shipment After unpacking all items from the shipping carton check for any obvious signs of physical damage that may have occurred during transit Report any damage to the shipping agent immediately Save the original packing carton for possible future shipment Package content The following items are included with every Model 451x QIVC card order e Model 4510 QIVC Low Power Quad I V Card or 4511 QIVC High Power Quad I V card e QIVC Cable 4500 CQIV 2 signal connecting cable 2m with MDR connectors for QIVC to 4 male 15 pin D sub connectors Figure 1 1 e QIVC Interlock Cable 4500 CILK 2 cable 2m with MDR connector to male 9 pin D Sub Figure 1 2 e 15 pin D sub female solder cup connector 4500 CIV KIT 1 Qty 4 Mates to 4500 CQIV provided for DUT connection Figure 1 3 e QIVC Test Lead Set Model 4500 QIVC TLS 15 pin D sub to 8 alligator clips provided for temporary DUT connection and troubleshooting Figure 1 4 e Interlock override plug 4500 ILK PLUG 9 pin D sub mates to 4500 CILK interlock cable overrides the interlock functionality on all four channels Figure 1 5 e Additional accessories as or
13. deen 2 13 Interlock connector and Cables 0 ccccccesceesessseescesseseceseeseecsceseeeaeeseecaecaaesaecsaeeaeceeseseeeeseeseeseseseeeeaeeeneesees 2 14 Interlock tenminal EE EE 2 15 Multiple card interlock connections see esssecesceseeeseesecsetseeeessceaecesseeeecnecaesscenecaeseseeceeceaeaeeaneateaeeasenes 2 16 3 ii Basic Operation Ui e e 3 2 Environmental C Omit Oi sss teen syeset ss gees ge e eE ER tga lov extavs RE eae aa EA EREE EEEE ARAS 3 2 Temperature and bucht 2 0sc cciscevssseescsceterensctosiesenscaevssnsbignepioson hedge ES EEEa OKEE Aniana aE EEEE narai 3 2 Warm Up Period 2 00 eeeeccescesseesceseeescescecsecaeesaecsseeseceessseseseseseacesesececaeecaecasesaeceecsaseeeseeeseseseseeseseeaaecaeceaeeaeens 3 2 Basic softwar csoperati on ee Eene saves stone ENEE EENS ee 3 2 4500 MTS 0b Lc cael pe ee ee E eeh 3 2 Enabling the emulation modes 3sc4 sce qiccio idee etait eEEEO adeeb oun 3 3 Using the Embedded Sweep Example program ccccsscsccssssseeceeeeeeceeseeseeaecaeeeceaesaeeeveeceecaeseeeaesaesaseeseeeeeeneeates 3 4 OVEDVIEW EE 3 4 Running the 4500 MTS Embedded Sweep Example program 0 ccesesesssseeeeeceeceereeeeceecaeeeeesecaeeateeeeaes 3 5 Connecting to the 45002 MTS ENEE deed ninna Ena ea iiaiai EEN 3 6 Building anew channel ro up sce sss spin css cdsesaedesspsacavesesscehsasosdhcosesoesasazeagsveze coats soasnssnendacescesivassagesdiadsesensenys 3 7 Removing a channel from a channel group
14. default value is 0 000001 Bias Value default value is 0 0002 Final Value default value is 0 0002 Delay default value is 0 seconds c Ifyou select I List Sweep a Properties tab labeled I List Sweep Settings appears Figure 3 11 In this dialog enter values in the following fields Initial Value default value is 0 Number of Points default value is 10 Order default value is 1 Final Value default value is 0 01 Also for each Point listed in the table enter the Current Source Value and Delay List For Points 1 10 default value is 0 00 for both Current Source Value and Delay List 3 12 Basic Operation 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual Figure 3 10 I Bias settings zl Keithley 4500 MTS Embedded Sweep Example Software Eile Help Bi Keithley 4500 MTS EI Channel Group 1 WI WC2 P rl Bias Settings m IVC4 Initial Value Bias Value Final Value Delay Channel Group 2 laoo 0 0002 poz R m Channel Group 3 m Channel Group 4 m Channel Group 5 m Channel Group 6 m Channel Group 7 m Channel Group 8 E 11 1 4 2003 7 42 05 AM Creating channels for Channel Group 1 a 11 1 4 2003 9 31 30 AM Releasing channels for Channel Group 1 11 1 4 2003 9 31 30 AM Creating channels for Channel Group 1 S Figure 3 11 I List Sweep settings al Keithley 4500 MTS Embedded Sweep Example Software Eile Help BI Keithley 4500 MTS a Channel Group 1 J mi ICH ml List Sweep Setti
15. ero all for I measure V source subchannel on the same channel refer ences will be taken twice on each point This will extend measurement time with no significant improvement in accuracy Therefore if you desire autozero all on a channel you should set the first of the measure ments to autozero all and the others to autozero once for best efficiency The measurement order is e I Measure V source subchannel e V Measure I source subchannel s H Readback V source subchannel e I Readback I source subchannel In the Integration Time NPLCs field in the center of the Properties dialog enter a value from 0 002 to 10 The default value is 0 1 NOTE A channel group will acquire readings only as fast as the largest NPLC setting among all channels In the Voltage Source subchannel of the Properties dialog you can configure options for source and measurement To configure settings for Source Options enter a value in the following fields Initial Value Volts Bias Value Volts Final Value Volts and Delay sec e Initial Value Volts default value is 0 000001 e Bias Value Volts default value is 0 0001 e Final Value Volts default value is 0 0002 e Delay sec default value is 0 To configure the voltage source Output state before the sweep is initiated select the setting as follows e OFF SHORTED the output will be in the shorted state with the output off e ON the output will be turned on e OFF OPEN the
16. isolates the subchannels individually By using this subchannel isolation it is possible to connect both the I Source and V Source leads to the same DUT and power the DUT with either subchannel As an example for LED testing both QIV subchannels provide unique capabilities Figure 2 9 shows forward bias connections while Figure 2 10 shows reverse bias connections In Figure 2 9 the I Source subchannel is used to power the LED for forward voltage and other emission oriented measurements In Figure 2 10 the V Source subchannel is used for reverse voltage leakage mea surements 2 12 Installation amp Connections 4510 QIVC and 4511 QIVC Quad IV Cards User e Manual Figure 2 9 LED forward bias simultaneous I Source and V Source connections I SOURCE Output Control Relays DUT V MEASURE LO I SOURCE LO W E I Signal Internal Signals xternal Signals I SOURCE HI I SSOURCE HI V MEASURE HI V MEASURE LO I SOURCE LO V SOURCE Output Control Relays V SOURCE HI V SOURCE HI GUARD V SOURCE SENSE LO V SOURCE SENSE LO V SOURCE LO Figure 2 10 LED reverse bias simultaneous I Source and V Source connections External Signals Internal Signals SOURCE Output Control Relays I SOURCE HI I SOURCE HI V MEASURE HI DUT V MEASURE LO V MEASURE LO SOURCE LO I SSOURCE LO V SOURCE Output Control Relays V SOURCE HI V SOURCE HI GUARD V SOURCE SENSE LO V SOURCE LO 451
17. lid interlock 5 03 Ifa screw is present connect it to safety earth ground using the wire recommended in the user documentation The A symbol on an instrument indicates that the user should re fer to the operating instructions located in the manual The A symbol on an instrument shows that it can source or mea sure 1000 volts or more including the combined effect of normal and common mode voltages Use standard safety precautions to avoid personal contact with these voltages The a symbol indicates a connection terminal to the equipment frame The WARNING heading in a manual explains dangers that might result in personal injury or death Always read the associated infor mation very carefully before performing the indicated procedure The CAUTION heading in a manual explains hazards that could damage the instrument Such damage may invalidate the warranty Instrumentation and accessories shall not be connected to humans Before performing any maintenance disconnect the line cord and all test cables To maintain protection from electric shock and fire replacement components in mains circuits including the power transformer test leads and input jacks must be purchased from Keithley Instru ments Standard fuses with applicable national safety approvals may be used if the rating and type are the same Other components that are not safety related may be purchased from other suppliers as long as they are equivalent to t
18. running on the Mainframe PC This permits any desired source sweep linear list log current voltage etc and interactive control during the sweep such as abort on power or control of other instrumentation Since the source and measurement data for each step in the sweep is transferred across the PCI bus this sweep method is slower than an Embedded Sweep Nested Sweep A Nested Sweep requires at least two channels A brief explanation is that the inner loop completes an entire sweep for each step in the outer loop s The Nested Sweep concept is implemented in Embedded Sweeps by setting the Sweep Order The linear and list sweep functions have an order parameter that allows the sweeps to be nested The inner most sweep has an order of 1 Sweep channels that have a higher order value are nested around the inner sweep The following pseudo code shows how this might work when testing a 5 cavity laser diode module For ILD ILD1 to ILDn Sweep Order 4 Outermost Order Force ILD For IBRAGG IBRAGG1 to IBRAGGn Sweep Order 3 Force IBRAGG For IPHASE IPHASE1 to IPHASEn Sweep Order 2 Force IPHASE For IGAIN IGAIN1 to IGAINn Sweep Order 1 Innermost Order Force IGAIN Measure Isp Ipp1 Ipp2 IPDn Measure VLD VBRAGG VPHASE VGAIN Next IGAIN Next IPHASE Next IBRAGG Next ILD The innermost sweep is the IGAIN and it has a sweep order of 1 The Next order is 2 for the IPHASE sweep the Next order is 3 for the IBRAGG
19. supplied connecting cable see Section 2 e INTLK interlock connector provides connections to a test fixture interlock for safety purposes see Section 2 e Rear mounting plate secures card to rear panel of mainframe see Section 2 Figure 1 7 451x QIVC card edge view SHE KEITHLEY 4510 QIVC d DUT Signal Connector LS M Interlock e LW Connector INTLK Rear ooo A Mounting Ke Plate pa Installation amp Connections 2 2 Installation amp Connections Introduction 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual This section includes information on card installation software installation and connecting DUTs Device Under Test to the card Connection precautions WARNING Read all safety precautions listed at the beginning of this manual The following safety practices must be used to protect operators and other users of this product from potential exposure to electrical hazards Card installation Operators must be protected from electrical hazards at all times The interlock is required for safe operation The test fixtures must ensure that the interlock circuit is disabled source outputs inhibited so that an operator is not exposed to any harmful conditions See Interlock
20. the LabView LabWindows CVI Visual C C and Visual Basic programming environments In addition application demo programs in LabView LabWindows CVI and Visual Basic are provided to supplement the development of test programs e Sweep and Immediate Data Measurement Retrieval The 4510 QIVC and 4511 QIVC cards provide sweep capability along with immediate data measurement retrieval Intended applications The 4510 QIVC and 4511 QIVC cards are designed for multi channel I V test and multi channel intelligent power supply applications where source requirements are limited to 1A or 10V per channel Supported operating system The 451x QIVC driver software is compatible with the following operating system e Windows 2000 Workstation required for 4500 MTS Supported software platforms The 451x QIVC drivers are compatible with the following test software platforms e MS Visual Basic Version 5 and 6 e MS Visual C C 32 bit e NI LabView Version 5 1 and higher e NI LabWindows CVI Version 5 5 and higher Supplied software The following software is supplied with the 451x QIVC cards e Win32 DLL driver for the card that supports the above software platforms e Embedded Sweep Example Software that demonstrates card sweep capabilities and allows you to perform simple tests e Example application programs Specifications Detailed specifications are located in Appendix A For the latest specifications check www keithl
21. when the switch is closed When the switch is open output s will be turned off as described in Step 2 above and cannot be turned on See Figures 2 8 through 2 10 for output on and the two output off states CAUTION Under no circumstances should the interlock lines be intentionally shorted to chassis ground Improper operation will result The interlock is not designed to protect the DUT during an interlock event In the interest of protecting the operator the output relays of the interlock circuit close immediately and before the output is driven to a low voltage potential As a result the DUT will see the energy in the DUT cable This energy may display as a significant negative opposite polarity of the source current voltage at the DUT Activating the interlock may damage the DUT NOTE The 5V line on the interlock connector pin 1 is internally protected with a 0 75A fuse Inadvertently shorting this line to chassis ground will trip the fuse disabling the interlock control circuits and outputs cannot be turned on The fuse will automatically reset a few minutes after the overload condition is removed 2 14 Installation amp Connections 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual Figure 2 11 Connections directly to card interlock connector 4510 QIVC or 4511 QIVC Card Card NENNEN interlock connector Pin 1 terminals 5V Test Switch fixture Channel A Enable Channel B Enable Channel C Enable Channel ou
22. 0 QIVC and 4511 QIVC Quad IV Cards User s Manual Installation amp Connections 2 13 Interlock Each card is equipped with an interlock connector that can be used to inhibit the source outputs of each individual channel when an external switch is open WARNING The interlock should always be used to protect operators and other users from potential safety hazards Interlock events When an interlock event occurs 1 Set I SOURCE subchannel to 0A and set V SOURCE subchannel to OV 2 The source relay states are changed immediately for that channel s interlock line the I SOURCE is disconnected from the output terminals and the DUT terminals are shorted together The V SOURCE terminals are shorted together by internally connecting V SOURCE HI and V SOURCE LO 3 An interrupt is generated and the test sequence is halted for the channel group containing that channel passing the event to the Real Time Manager 4 The test cannot be resumed The test must be re initiated after the interlock is recovered Interlock connections Figure 2 11 shows typical connections directly from the 451x QIVC card interlock connector to an interlock switch in a test fixture In this instance a single interlock switch is connected to the enable lines of all four channels Other applications that require the output of each channel to be individually controlled will require a separate switch for each channel In either case outputs will be enabled turned on
23. 00 VAL STATE ON KE4500 VAL STATE OFF OPEN KE4500_VAL_STATE_OFF_OPEN KE4500_EnableSourceOutput Purpose Description NOTE Enables Disables the channel output The output off state can be Off Open or Off Shorted The output goes to its initial value if set by using any of the following functions KE4500_ConfigISourceLinearSweep KE4500_ConfigISourceListSweep KE4500_ConfigISourceBias KE4500_ConfigVSourceBias This command will set both outputs to the same state To set the I Source and V source outputs independently use the KE4500_EnableOutputs command 4 18 Programming 4510 QIVC and 4511 QIVC Quad IV Cards User e Manual KE4500_Fetch Purpose Retrieves the data for a test from the 4500 MTS Description Returns the data from a 4500 MTS The channel parameter only accepts a single channel This restriction to a single channel prevents all the data from coming back in one huge array Therefore there is no need to write a parsing algorithm to pull out the particular channel and element that interests you Some I Sources or V Sources may have their readback enabled so that the data for the channel may contain both a current and a voltage measurement Use the element parameter to distinguish which type of data you want for this channel Use the start and length parameters if you want to break up the data transfer into smaller blocks If a larger than optimal length of data is requested the 4500 MTS software w
24. 00 llb file to the file path location described below Installation B If Lab View is installed on the PC prior to installing the 4500 MTS software the LabView driver will be installed in the C Program Files National Instruments LabVIEW 6 instr lib Ke4500 directory This location is for LabView 6i the folder name will differ slightly for a different ver sion of LabView Because the driver is installed in the instr lib Ke4500 directory which is off the main Lab View directory when you run LabView you can navigate to the diver as follows Right mouse click on the wiring diagram Select the Instrument I O icon Select the Instr Lib icon Select the KE4500 icon You will then see a hierarchal list of icons for the functions in the driver Cares ee ee 4 12 Programming 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual User programming NOTE Refer to the supplied online help file for your particular programming environments for detailed information on functions See Using specific programming environments page 4 10 for details on using the 4500 MTS driver with your particular programming environment Remote mode Figure 4 6 Remote Mode connection block diagram Programs controlling the QIVC hardware may be installed and run on a remote PC Figure 4 6 via TCP IP over Ethernet Install the 4500 Software CD on a supported Windows PC see releasenotes htm in 4500 MTS desktop folder for supported versions of the Win
25. 11 QIVC Embedded Sweep Example program e Perform basic programming tasks to control and take measurements with the card using the supplied library of driver calls General information Features The 4510 QIVC and 4511 QIVC cards are intended to provide parallel real time source measure capability in a cost effective compact and scalable platform These applications typically take two forms multi channel I V test or multi channel intelligent power supply Applications requir ing multi channel I V capability include on wafer test of LEDs VCSELs and Optoelectronic ICs where a large number of channels need to perform I V sweeps in parallel or in coordination with each other Applications that require multi channel intelligent power supply capability include accelerated life test and functional device test that require large numbers of channels to sourcing currents or voltages while monitoring power consumption The 4510 QIVC provides three current source ranges 30mA 100mA and 500m lt A at up to 6V compliance The 4511 QIVC is a higher current unit also providing three source current ranges at 100mA 300mA and 1A without compromising instrument specifications or functionality Both cards also have a programmable 10V voltage source with source read back and precision three range 10uA 500A 10mA current measurement Together these cards provide coverage for a wide variety of source measure applications The following list summarizes th
26. 65 84uA 144A 500A Default Measurement Accuracy 1 Year Measurement Accuracy 24 hr Typical Measurement 23 C 5 C 23 C 1 C Output Slew Rate Range Model Resolution Yordg amps amps Vo Vss Lo Irs rdg amps amps Vo Vis Lo Iss mA ps 30 0000mA 4510 0 1pA 0 065 2 5uA 4 3uA 0 065 1 5uA 4 3uA 3 100 000mA 4510 11 1pA 0 065 SuA 14 34A 0 065 4uA 14 34A 1 300 000mA 4511 2uA 0 065 124A ua 0 065 OuA 43uA 3 500 000mA 4510 S5uA 0 065 20uA 72A 0 065 10A 72A 5 1 000A 4511 104A 0 065 40A 143A 0 065 20A 1434A 10 CURRENT OUTPUT SETTLING TIME 150ps to 0 1 of final value typical resistive load after command is processed CURRENT SOURCE SHORTING RELAY Shorts load when output is turned off or when interlock condition exists CURRENT SOURCE OVERSHOOT lt 0 1 full scale step resistive load CURRENT SOURCE LONG TERM STABILITY 20 ppm hour typical 1 C ambient 30 minute warm up required OVER TEMPERATURE PROTECTION Internally sensed temperature overload puts unit in standby mode LOAD INDUCTANCE 200uH maximum CURRENT SOURCE LOAD VOLTAGE MEASUREMENT Measurement Accuracy 1 Year Measurement Accuracy 24 hr Default Measurement Range 23 C 5 C Yordg volts 23 C 1 C Yordg volts Resolution 6 0000V 0 06 2mV 0 025 250nV 10V REMOTE LOCAL SENSE Automatic remote sense and proper zero are required to meet rated accuracy REMOTE SENSE Up to 0 5V drop from card b
27. 7 Interlock Channel A Enable 5 3 Interlock Channel B Enable 6 8 Interlock Channel C Enable 7 4 Interlock Channel D Enable 8 9 D GND digital ground 9 14 N C 2 16 Installation amp Connections 4510 QIVC and 4511 QIVC Quad IV Cards User e Manual Multiple card interlock connections When channel groups span cards interlocks may be tied together across cards For more than four channels use a separate 5V fused line pin 1 for every four channel interlock enable lines An example of multiple card interlock connections is shown in Figure 2 13 This example has two channel groups e Group 1 Card 1 Channel A Card 1 Channel B Card 1 Channel C e Group 2 Card 1 Channel D Card 2 Channel A Card 2 Channel B 4510 QIVC and 4511 QIVC Quad IV Cards User e Manual Installation amp Connections 2 17 Figure 2 13 Multiple card interlock connections Card interlock Interlock ee Ee E cable 9 pin d connector i terminals Pin1 5V O Pin 4 Test Channel A Enable O Switch fixture 1 Pin 5 Channel B Enable O d Pin6 Channel C Enable O i Ch D Enabl mt ring ST TEE d y Closing switch enables Card 1 WEEN Channels A B and C interlock nee cable Card interlock 451 x QIVC Card 2 connector Bo ee EE A terminals Pin 1 Ba i 5V O Q d Pin 4 i Test Channel A Enable O Switch fixture 2 Pin5 d Channel B Enable O l Pin6 Channel C Enable O Pin7 ER
28. 8 the I Source and V Source subchannel connections can be completely isolated Table 2 2 summarizes allowed states for the I Source and V Source subchannels When the output is in the Off Open state all source and measure connections are isolated also referred to as the high impedance off state Table 2 2 Output states for KE4500_EnableOutputs command I Source subchannel V Source subchannel Off Shorted Off Shorted ON ON ON Off Shorted Off Shorted ON ON Off Open Off Open ON Off Open Off Open Off Shorted I Source HI and LO leads shorted together and V Source HI and LO leads shorted together See Figure 2 7 Off Open All Source and Measure leads isolated from each other and from QIV cable This mode may also be referred to as isolated or high impedance Hi Z See Figure 2 8 N NOTE Be aware that the Guard pin is not isolated in the OFF_OPEN state 2 10 Installation amp Connections 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual Figure 2 6 Output On state Internal Signals External Signals I SOURCE Output Control Relays OUTPUT ON I SOURCE HI I SOURCE HI V MEASURE HI V MEASURE HI V MEASURE LO V MEASURE LO I SOURCE LO I SOURCE LO V SOURCE Output Control Relays OUTPUT ON V SOURCE HI V SOURCE HI GUARD V SOURCE SENSE LO V SOURCE SENSE LO V SOURCE LO V SOURCE LO Figure 2 7 Output Off Shorted state
29. AE 4 13 Specifications Terms Concepts and Definitions Introduction EEE E A B 2 Output Control Relay Lifetime Output comtroltelay seses ea E a ar aE ERE RERE RETTES C 2 Lifetime r tt edd ERa E EEE E EE E A E EEE heal eae anes C 2 1 Figure 1 1 Figure 1 2 Figure 1 3 Figure 1 4 Figure 1 5 Figure 1 6 Figure 1 7 2 Figure 2 1 Figure 2 2 Figure 2 3 Figure 2 4 Figure 2 5 Figure 2 6 Figure 2 7 Figure 2 8 Figure 2 9 Figure 2 10 Figure 2 11 Figure 2 12 Figure 2 13 3 Figure 3 1 Figure 3 2 Figure 3 3 Figure 3 4 Figure 3 5 Figure 3 6 Figure 3 7 Figure 3 8 Figure 3 9 Figure 3 10 Figure 3 11 Figure 3 12 List of Illustrations Getting Started UK SE OU e RI EE 1 5 QIVC Interlock Cable GSa00 CHK21 1 5 15 pin D sub female solder cup connector 4500 CIV KIT 1 ececceececceeseesseesecseeeeceeceeseeeseesereneeeees 1 5 QIVC Test Lead Set Model 4500 QUVC TLS o ecceececessssssssssecssesceseesecsesecseseeeecseceecsessesaecaecaeeessaeeaeeeseaes 1 6 Interlock override plug 4500 ILK PLUG oo cececeeccescesccesseseeeseeeeeeceseeenecaeeesesaeesaecaaeeaeeaeceaeeaeseeeeerseneeaes 1 6 451x QIVC card side view o eccececcccsccesscessscessecsscecssecesecsuececsecesesesuesessecsetesseceesesseeesaeceesecseseeaeceueecaesentecness 1 8 AS 1X OIVC card edge View erener E R EE 1 9 Installation amp Connections Case cover remMoyal ssiri erans E E EE gege 2 4 Flat plate removal EE 2 4 Card EE 2 5 Gard block diagram
30. Bias Voltage KE4500_ConfigVSourceBias KE4500_VForceIMeas C Output Control Relay Lifetime C 2 Output Control Relay Lifetime 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual Output control relay Lifetime rating There are relays for each channel that control when the various subchannels signals are con nected to the DUT Signal connector on the back of the card Figure 2 5 There are three output states On Figure 2 6 Off Shorted Figure 2 7 Off Open Figure 2 8 These relays have a specified lifetime of 100 million 108 cycles when cold switched Cold switching is when there is no current flowing through the switch relay when opening and clos ing the switch When hot switching the lifetime is de rated to 1 million 106 cycles The typi cal relay failure mode is increased contact resistance The firmware on the 451x cards is designed to ensure cold switching To obtain the cold switch ing lifetimes when using 451x outputs connected to electrical sources or active devices ensure that these sources and devices are not sourcing current to the 451x outputs when changing the 451x output states These relays can be replaced at the factory Please contact your Keithley representative for details Index Numerics 4500 MTS folder 3 2 Basic assumptions 4 10 Basic Operation 3 1 Basic software operation 3 2 Block diagram 2 7 Building a new channel group 3 7 Card configuration 1 7 2 5 C
31. E4500_Initiate function is called Sweep operation Neither the linear sweep nor the list sweep outputs the first value in the sweep until the 4500 MTS receives a KE4500_Initiate command see Figure 4 3 An initial parameter controls the output value of the source actually all sources in the channel group from the time that the KE4500_EnableOutputs function switches on the source until the KE4500_Initiate command is sent Conversely when the sweep is complete and you want the source to go to an output value before the KE4500_EnableOutputs command switches off the source a final parame ter is provided When the set device output is off the DUT will be in a shorted condition and the current in compliance With the KE4500_EnableOutputs command the source outputs can either be in an open or shorted state when off and also provides individual subchannel output state control If you require a single output value rather than a sweeping action on the source use the Immediate Mode commands detailed below 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual Programming 4 7 The KE4500_ConfigISourceBias and KE4500_ConfigVSourceBias functions can also be used in conjunction with sweeps when a non changing source output is required during a sweep on other channels in the group When the KE4500_Initiate function is called on a channel group any channels configured with the KE4500_ConfigVSourceBias function are set first Next any chan
32. ESEO EEEE EA REEERE RR aa AEA EEEIEE RENAS 1 4 Safety symbols and terms serere rare sirere a Aenne orena AEP ENEEK EEE eege ee eegene 1 4 Unpacking and Inspection ccesceescesceescesceeseeeceseeeseescenceceecsseeaeceasesesueseseseeseaeseeecaesacecaecaaeeaeseeseeeeersenseaes 1 4 Ree E 1 7 Card ETag TE 1 7 Caid side VIEW soisiivcsncessusseennecigetereveen ists ai eRe EEEE Ee DEE 1 7 Card CA ET 1 9 Installation amp Connections I Boyuqeyel e 5 10 0 Reereenre raver E ere creer mrnnr creer renee E ae tree reer ter eer ern rere 2 2 Connection E E 2 2 Card installation s ccse ees reeniras teran rrna EREE EROT rA Dee Eege eegene 2 2 rette ee E EE 2 2 Install ation Pr cedUTE ikose Eege ge 2 3 atid TET OVA EE 2 5 Card confi Curation seisten ees EE eegene EE Eeer 2 5 Software EE Ee 2 5 EE eege Eeer 2 6 Connector terminal designations cssssseeccesceeseeeeceseseeseeseesecaeeecaesaecereecsaeaeeeeseeceecaeeseeaesaeeaesaeeaeeaseneeted 2 6 Block heap E 2 7 DUT connections os sa i5c ccs tecnsts reeset ems emer ee 2 7 Output state Sss erse ke reaa EARE aa ERRE E EREE EENS gen 2 8 Reverse current bias and laser diode considerations cccccsceessessesseceseeseceseeseceseeseeeeeeeeeeseeseecsesneesseenaes 2 11 Using both I Source and V Source subchannels with a single DUT ss sssssnssssnsrsessreesssesrrsrsrrsessreessreesseees 2 11 Tite loc keeno ei Ante hice ese a Cee 2 13 Nee EE 2 13 Interlock COMME CHIONS sissies eessen enee ge
33. IT 1 This kit contains a mating connector for wiring This kit is for use with the 4500 CQIV e 4500 QIVC TLS This test lead set adapts the 15 pin D sub for a single channel to eight alligator clips It provides a quick method for initial DUT connections Card configuration Card side view Figure 1 6 shows the 451x QIVC card side view Key components include e DUT signal connector provides connections to the DUTs using the supplied connecting cable see Connections page 2 6 e Interlock connector connects to a test fixture interlock see Interlock page 2 13 e Edge connectors connects the card to the PCI bus analog power bus and trigger bus of the mainframe see Section 2 of the 4500 MTS Mainframe User s Manual e Heat sink cools power output stages of card WARNING The heat sink may be hot after extended operation at higher power levels Do not touch the heat sink or adjacent power components until the card has cooled sufficiently 1 8 Getting Started 4510 QUVC and 4511 QIVC Quad IV Cards User s Manual Figure 1 6 451x QIVC card side view Heat sink DUT signal connector Interlock connector Edge connectors 4510 QUVC and 4511 QIVC Quad IV Cards User s Manual Getting Started 1 9 Card edge view Figure 1 7 shows the edge view of the card Key components include DUT connector provides signal connections for all four channels to the DUTs using the
34. KEITHLEY 451 0 QIVC and 451 1 QIVC Quad IV Cards User s Manual A GREATER MEASURE OF CONFIDENCE WARRANTY Keithley Instruments Inc warrants this product to be free from defects in material and workmanship for a period of 1 year from date of shipment Keithley Instruments Inc warrants the following items for 90 days from the date of shipment probes cables rechargeable batteries diskettes and documentation During the warranty period we will at our option either repair or replace any product that proves to be defective To exercise this warranty write or call your local Keithley representative or contact Keithley headquarters in Cleveland Ohio You will be given prompt assistance and return instructions Send the product transportation prepaid to the indicated service facility Repairs will be made and the product returned transportation prepaid Repaired or replaced products are warranted for the balance of the original warranty period or at least 90 days LIMITATION OF WARRANTY This warranty does not apply to defects resulting from product modification without Keithley s express written consent or misuse of any product or part This warranty also does not apply to fuses software non rechargeable batteries damage from battery leakage or problems arising from normal wear or failure to follow instructions THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING ANY IMPLIED WARRANTY OF MERCHA
35. Meas KE4500_VForcelMeas Turn Off Output KE4500_EnableOutputs 4 8 Programming 4510 QIVC and 4511 QIVC Quad IV Cards User e Manual Memory capacity Each 451x QIV card memory has a total capacity of one million entries where each entry is either a reading or a source setting The source setting is the current source value from either an embedded linear sweep or embedded list sweep The QIV card allocates the space required dynamically for greater flexibility Each channel requests memory based on the buffer needs of the configured sweep This discussion on memory usage applies only to embedded sweeps The total memory usage for an embedded sweep is the number of measurements or readings taken during the sweep plus the current source settings for each channel in the sweep Total Memory Usage readings unique sweep source settings Memory Usage Calculation Example 1 4 channel sweep with all measurements Consider a single QIVC card where each channel makes the maximum of four measurements I source subchannel V measure I source readback V Source subchannel I measure V source readback per sweep step So when all channels are set to take all possible measurements per point the total memory usage will be Channel Group 4 channels Measurement 4 Measurements per step per channel I source subchannel V measure I source readback V Source subchannel I measure V source readback Channel 1 Num
36. NTABILITY OR FITNESS FOR A PARTICULAR USE THE REMEDIES PRO VIDED HEREIN ARE BUYER S SOLE AND EXCLUSIVE REMEDIES NEITHER KEITHLEY INSTRUMENTS INC NOR ANY OF ITS EMPLOYEES SHALL BE LIABLE FOR ANY DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF ITS INSTRUMENTS AND SOFTWARE EVEN IF KEITHLEY INSTRUMENTS INC HAS BEEN ADVISED IN ADVANCE OF THE POSSIBILITY OF SUCH DAMAGES SUCH EXCLUDED DAMAGES SHALL INCLUDE BUT ARE NOT LIMITED TO COSTS OF REMOVAL AND INSTALLATION LOSSES SUSTAINED AS THE RESULT OF INJURY TO ANY PERSON OR DAMAGE TO PROPERTY KEITHLEY A GREATER MEASURE OF CONFIDENCE Keithley Instruments Inc Corporate Headquarters e 28775 Aurora Road e Cleveland Ohio 44139 e 440 248 0400 e Fax 440 248 6168 e 1 888 KEITHLEY 534 8453 e www keithley com Belgium Sint Pieters Leeuw e 02 363 00 40 e Fax 02 363 00 64 e www keithley nl Italy Milano e 02 48 39 16 01 e Fax 02 48 39 16 28 e www keithley it China Beijing e 8610 82251886 Fax 8610 82251892 e www keithley com cn Japan Tokyo e 81 3 5733 7555 Fax 81 3 5733 7556 e www keithley jp Finland Helsinki e 09 5306 6560 Fax 09 5306 6565 e www keithley com Korea Seoul 82 2 574 7778 Fax 82 2 574 7838 e www keithley com France Saint Aubin e 01 64 53 20 20 Fax 01 60 11 77 26 e wwweithley fr Netherlands Gorinchem e 0183 635333 Fax 0183 630821 e www keithley nl Germany Germering e 089 84 93 07 40 e Fax 089 84 93 07 34 e www ke
37. RCE HI to shield the sensitive signal path against interference The GUARD connection may be required when high quality low current 10uA range measurements are required 2 8 Installation amp Connections 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual Figure 2 5 DUT connections I SOURCE e re e eee eg I SOURCE HI I READBACK V MEASURE HI Output V MEASURE amp oe V COMPLIANCE V MEASURE LO I SOURCE LO V SOURCE HI Output control relays V SOURCE SENSE LO i V SOURCE LO Output states There is one output On state and two Off states Figure 2 6 shows the On state compared with the Off Shorted and Off Open states in Figure 2 7 and Figure 2 8 respectively Table 2 2 sum marizes the available Output states NOTE See Section 4 for a description of the KE4500_EnableOutputs command Output ON state When the output is turned on Figure 2 6 the internal terminal shorts I Source and V Source are opened and the I SOURCE terminals are connected to DUT A and the V SOURCE terminals are connected to DUT B Output Off_Shorted state When the output is in the Off Shorted state Figure 2 7 the SOURCE is disconnected from DUT A and the DUT terminals are shorted together DUT B terminals are also shorted together by internally connecting V SOURCE HI and V SOURCE LO Output Off_Open state 4510 QIVC and 4511 QIVC Quad IV Cards User e Manual Installation amp Connections 2 9 As shown in Figure 2
38. Results for Group Channel 1 Underneath these results information on the speed of the test appears in milliseconds for measurement time transfer time and total time To run a test multiple times perform the following steps 1 With the Data dialog showing click the channel group for which you want to run a test in the channel tree For example click Channel Group 2 2 In the Data dialog click to place a check mark in the Run Repeatedly box 3 Enter the desired time in the Check for sweep every box This parameter is used while the test is running and the software is continuously querying the RT Manager for the test status done bit This parameter introduces some delay in the software only It helps to prevent excess memory usage if two or more instances of the application are running a test at the same time 4 Click Run to start the test The Output Indicator blinks ON the circle turns red and the message Running the test flashes on the screen 5 Click Stop to end the test Test results appear in a grid control under the heading Displaying Results for Group Channel 2 The test cannot be resumed from stop condition 6 If you want to run the test again then click Run 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual Basic Operation 3 15 Figure 3 12 Typical Sweep Results zl Keithley 4500 MTS Embedded Sweep Example Software SE Eile Help Bi Keithley 4500 MTS Configuration Data Channel Group 1 m WC m Cha
39. They must be protected from electric shock and contact with hazardous live circuits Maintenance personnel perform routine procedures on the prod uct to keep it operating properly for example setting the line volt age or replacing consumable materials Maintenance procedures are described in the manual The procedures explicitly state if the operator may perform them Otherwise they should be performed only by service personnel Service personnel are trained to work on live circuits and perform safe installations and repairs of products Only properly trained ser vice personnel may perform installation and service procedures Keithley products are designed for use with electrical signals that are rated Measurement Category I and Measurement Category II as described in the International Electrotechnical Commission IEC Standard IEC 60664 Most measurement control and data I O sig nals are Measurement Category I and must not be directly connect ed to mains voltage or to voltage sources with high transient over voltages Measurement Category II connections require protection for high transient over voltages often associated with local AC mains connections Assume all measurement control and data I O connections are for connection to Category I sources unless other wise marked or described in the Manual Exercise extreme caution when a shock hazard is present Lethal voltage may be present on cable connector jacks or test fixtures
40. VC1 1 gt Time Four Parallel Sweeps 4 steps per sweep Terms Concepts and Definitions QIVC Real Mode Real Time Manager Remote Control Remote Mode SDM Cycle Session Subchannel Sweep Sweep Mode Sweep Order Tester API Test Executive Test System Controller 4510 QUVC and 4511 QIVC Quad IV Cards User s Manual Quad I V Card Card consisting of four I V channels See Channel for more information Real Mode causes the 4500 MTS Real Time Manager RTM to control the QIVC hardware This mode is only valid for the RTM running on the Mainframe PC Contrast with Emulation Mode See 4500 MTS Real Time Manager Control of the 4500 MTS by a program running on a PC connected to the 4500 MTS via TCP IP over Ethernet For Remote Control the 4500 Driver must be installed on the remote PC Use the KE4500_Init com mand setting the IP address to the routable IP Address of the 4500 MTS When the Embedded Sweep Example or Test Executive and Instrument Drivers are installed on an external PC In this mode the external PC becomes the Test System Controller The external PC communicates with the 4500 MTS via an Ethernet connection and TCP IP protocol Source Delay Measure which defines the fundamental test action Dur ing the Source Delay Measure cycle the following occurs for each channel 1 Set the source output level 2 Wait for the specified Source Delay time 3 Perform the measurement See
41. ard edge view 1 9 Card installation 2 2 Card removal 2 5 Card side view 1 7 Channel designation description 4 2 Channel groups 4 3 Configuring a channel 3 9 Connecting to an instrument with a QIVC card 3 6 Connection precautions 2 2 Connections 2 6 Connector terminal designations 2 6 Contact information 1 4 Phone number 1 4 Cover removal 2 2 Demo software capabilities 3 4 Demo software configuration 3 4 Driver functions 4 13 Driver summary 4 12 DUT connections 2 7 Enabling the demo mode 3 3 Environmental conditions 3 2 G M N Features 1 2 General information 1 2 Getting Started 1 1 Immediate 4 7 Inspection for damage 1 4 Installation amp Connections 2 1 Installation A 4 11 Installation B 4 11 Installation procedure 2 3 Intended applications 1 3 Interlock 2 13 Interlock connections 2 13 Interlock connector and cables 2 14 Interlock events 2 13 Interlock terminal designations 2 15 Introduction 1 2 2 2 3 2 4 2 B 2 LabView 4 10 Laser diode considerations 2 11 Linear 4 4 List 4 5 Microsoft Visual C 4 10 Multiple card interlock connections 2 16 Multiple channel groups 3 4 NI LabWindows CVI 4 10 i l Operation overview 4 2 Optional accessories 1 7 Output 2 8 Output Control Relay Lifetime C 1 Output switching 2 8 Package content 1 4 Programming 4 1 References to online help 4 10 Removing a channel from a channel group 3 9 Running a test 3 14 Running the 4500 MTS demo software
42. are will be already installed on the 4500 MTS hard drive The procedure below should be used to re install or upgrade software Install CD Setup exe should run automatically Accept all of the installation defaults Reboot the 4500 MTS and login Exit close the 4500 MTS Real Time Manager Upgrade the QIVC firmware through the Control Panel applet labeled 4500 MTS In Start gt Settings gt Control Panel double click the 4500 MTS icon and select the Flash Upgrade tab After pressing the Start Flash Upgrade button navigate to the C Program Files Keithley Instruments 4500 MTS bin QIVC Flash Upgrade folder and select the file named 4510 QIVC fx for the 4510 QIVC or 4511 QIVC fx for the 4511 QIVC Select Open After a few seconds the applet should signal completion with a series of three beeps and a status message Ae ST Kiki 2 6 Installation amp Connections 4510 QIVC and 4511 QIVC Quad IV Cards User e Manual 6 Upgrade the Digital FPGA image Repeat step 5 using the dx file type selector and the file named 45xx QIVC dx in the same directory 7 Upgrade the Analog FPGA image Repeat step 5 using the ax file type selector and the file named 45xx QIVC ax in the same directory 8 Start the 4500 MTS Real Time Manager located in the 4500 MTS folder 9 Run the VB Embedded Sweep Example program located in the 4500 MTS folder 10 Click Connect and confirm the digital FPGA analog FPGA and firmware were success fully pro
43. ber of readings 4 Channel 2 Number of readings 4 Channel 3 Number of readings 4 Channel 4 Number of readings 4 Number of memory entries required per sweep step readings source settings 4 measure ments x 4 channels 1 settings x 4 channels 20 entries per sweep step Calculate maximum number of sweep steps 1 000 000 entries 20 entries 50 000 sweep steps This maximum number of entries may be used for either parallel or nested sweeps For example a parallel sweep all sweep orders 1 on these 4 channels could have a maximum of 50 000 4 12 500 sweep steps for each of the 4 channels in the group Memory Usage Calculation Example 2 2 channel sweep with all measurements Channel Group 2 channels Measurement 4 Measurements per step per channel I source subchannel V measure I source readback V Source subchannel I measure V source readback Channel 1 Number of readings 4 Channel 2 Number of readings 4 Number of entries per step 4 Measurements x 2 channels 1 sweep source setting x 2 channels 10 entries per step The maximum number of sweep steps in this case 1 000 000 10 entries 100 000 steps 4510 QIVC and 4511 QIVC Quad IV Cards User e Manual Programming 4 9 Memory Usage Calculation Example 3 2 channel nested sweep with one measurement If a sweep test is set up with the following number of points Channel Group 2 channels Measurement 1 Measurement per ste
44. cards l Source Subchannel Figure 4 1 Subchannel block diagram V Source Subchannel V Sense LO 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual Programming 4 3 Figure 4 2 Channel designation example Q mm 4500 _ ONLY ccs MOOI IUIOUI SLOT 12 SLOT 11 Qo 10 SLOT9 SLOT8 SLOT7 SLOT6 SLOTS SLOT4 SLOT3 SLOT2 SLOT Ka m omm00000000000 0mm080000000000 omm0m0000000000 o0m000000000000000 DDDDDDDDDDDDDDDDD Channel groups To provide powerful multi channel configuration and control the concept of groups are used All channel based commands are specified by a Channel Group handle and a Channel List The group handle is a reference used by the controlling program and the channel list specified spe cific channels within the group The group permits parallel and nested testing for a variety of devices To set up a test decide which IVC channels to use in the test and then add these channels to a channel group by using the KE4500_CreateChannelGroup function You assign a channel to a group so that the channels in the group can be configured to run together for example a parallel or nested sweep You can add channels to a channel group from multiple cards for example IVC1 through IVC6 A channel group consists of a minimum of one to the maximum of the total amount of individual channels in the
45. ce Options perform the following steps NOTE See Appendix B for definitions and Section 4 for sweeps terms 1 With the Configuration dialog showing click the channel that you want to configure in the channel tree A Channel Properties tab replaces the Configuration dialog in the tab control Figure 3 8 In the Current Source Subchannel of the Properties dialog you can config ure options for source and measurement 2 For the 4510 QIVC card set a range of 30mA 100mA or 500mA by selecting a value from the Range drop down box 500mA is the default value For the 4511 QIVC card ranges are 100mA 300mA and 1A the default is 1A 3 To set a voltage amount for the V clamp enter a number in the V Clamp field Figure 3 8 Typical card properties window sl Keithley 4500 MTS Embedded Sweep Example Software oxi Eile Help M Keithley 4500 MTS Properties Channel Group p Properties r Current Source Module Channel Group 2 Souree Options e Channel Group 3 Output Range Clamp Channel Group 4 on a E valts ON 500 mA d 6 m Channel Group 5 m Channel Groupp l Linear l List m Channel Group7 Pes Swee ep x SE Se S E SE SC S Channel Group 8 r Measurement Options en E Current BAUTOZERO once Voltage boer onoez Ee Time NPLCs for Voltage Source Module a EASE see eee Si p Source Options BE SE Initial Value Volts Bias Value volts Final Value v
46. ceIMeas for the V source subchan nel The Immediate Mode commands includes the measurement config uration Initiate test complete and data Fetch into a single command A software component that allows a Test Executive to control and inter act with an instrument for example 4510 QIVC or another multi chan nel card A sweep consisting of steps of equal size The sweep is specified by the source values start stop number of points or steps An embedded cur rent Linear Sweep is configured using the KE4500_ConfigISourceLinearSweep command As of this writing the QIV cards only support embedded current sweeps on the I Source V Measure subchannels A sweep consisting of user supplied current source values These values can be any output value within the limits of the channel or card An embedded current List Sweep is configured using the KE4500_ConfigISourceListSweep command Control of the 4500 MTS by a program running on the Mainframe PC Use the KE4500_Init command setting the IP address to KE4500 or 127 0 0 1 loopback When the Embedded Sweep Demo or Test Executive and Instrument Drivers are installed on a 4500 MTS mainframe PC and this PC func tions as the Test System Controller B 3 ER Terms Concepts and Definitions 4510 QUVC and 4511 QIVC Quad IV Cards User s Manual Mainframe PC The PC in the 4500 MTS running the Windows Operating System Mainframe Sweep A sweep that is controlled by software
47. channels I Source and V Source In addition to sourcing current the I Source subchannel measures the voltage and optionally the current current read back The current source subchannel is useful for testing many types of DUTs The current source sections include circuitry for current readback voltage measurement and compliance while the voltage source section has current measurement and voltage readback circuits Both sections include output relays that control connections to the DUTs Pin 3 amp 11 ILSOURCE HI I READBACK Sai ee eee he i Output p Pin 4 V MEASURE HI control SS Ge relays gt Pin 12 V MEASURE LO Pin 5 amp 13 ILSOURCE LO QIVC cable pin out Channel A D i ef e High impedance pathways Negligible current flow 12345678 9101112131415 Pin 1 V SOURCE HI gt MEASURE I I L Output V READBACK control relays Pin 2 GUARD L Pin 10 V SOURCE SENSE LO NOTE The V SOURCE circuit is bi polar 1 It can source positive or negative voltage Pin 9 V SOURCE LO DUT connections Figure 2 5 shows DUT connections I SOURCE HI and V MEASURE HI are connected to the diode anode DUT A while SOURCE LO and V MEASURE LO are connected to the diode cathode V SOURCE HI is connected to the diode anode DUT B while V SOURCE LO and V SOURCE SENSE LOW are connected to the diode cathode GUARD is connected to the shield of the cable connected to V SOU
48. chassis A maximum of eight channel groups can be created The KE4500_CreateChannelGroup function returns a handle to the channel group This han dle is passed into other functions to configure the channels in the group start or stop the group and get status on the group or channels within the group 4 4 Programming 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual Sweep and sourcing terminology Linear sweep A linear sweep steps from a starting current value to a stop current value The function call is KE4500_ConfigISourceLinearSweep The number of steps in the sweep is specified by the number of points parameter The linear sweep can either incrementally step up or step down depending on if the start value is smaller or larger than the stop value The type of measurements made during the sweep is specified by KE4500_ConfigVMeasure KE4500_ConfigISourceReadback KE4500_ConfigIMeasure KE4500_ConfigVSourceReadback If a voltage output is desired from a V source subchan nel during the sweep use KE4500_ConfigVSourceBias See Figure 4 3 for details on how the current source output behaves for a linear sweep See Figure 4 4 for a block diagram of how a sweep is programmed Figure 4 3 Current source output during sweep Sweeping Initial value Final value Hi Z Dh 2 LO Ke OF DA ces OF cox SR ER E E Tu au D ou EO os EO S ERS SSC ebe vi ke On s5 SS Q
49. dered 4510 QUVC and 4511 QIVC Quad IV Cards User s Manual Getting Started 1 5 Figure 1 1 QIVC cable 4500 CQIV 2 Figure 1 2 QIVC Interlock Cable 4500 CILK 2 Figure 1 3 75 pin D sub female solder cup connector 4500 CIV KIT 1 1 6 Getting Started 4510 QUVC and 4511 QIVC Quad IV Cards User s Manual Figure 1 4 QIVC Test Lead Set Model 4500 QIVC TLS Sconnag Dooeeee J Figure 1 5 Interlock override plug 4500 ILK PLUG 4510 QUVC and 4511 QIVC Quad IV Cards User s Manual Getting Started 1 7 Optional accessories For more information on optional accessories refer to www keithley com The following cables are available e 4500 CQIV This cable has a 40 pin connector that mates with the 451x QIVC card sig nal connector on one end and a 15 pin D Sub connector for each of the four channels on the other end NOTE This cable is available in 0 5 1 2 and 3 meters 0 5 to 2 meter lengths are recommended for use with the 45 11 QIVC 3 meter length is recom mended for use only with the 4510 QIVC e 4500 CILK This cable has a 14 pin male connector that mates with the 451x QIVC card interlock on one end and a 9 pin D Sub female connector at the other end NOTE This cable is available in 0 5 1 2 and 3 meters e 4500 ILK KIT 1 This kit contains a mating connector and housing for interlock wiring The connector mates to the 451x QIVC card interlock connector for a single card e 4500 CIV K
50. dows OS When connecting to the 4500 MTS using the KE4500_Init command supply the IP address of the 4500 MTS Emulation mode may also be used on a separate or remote PC for code develop ment ay o Z La Real Time Channel A E J 4500 Real RN Operating Channel B Application z Time System Channel C E d Manager Y Real Time 2 Controller Channel D HA wn z 3 OWE 1 d Ce 7 S Real Time Channel A 5 Operating h B 4500 TCP IP System Channe Driver Real Time Channel C A E Controller Channel D Windows 2000 Windows 2000 QIVC 9 PC Workstation d K7 4500 MTS Driver details The Instrument Driver is a Win32 DLL created in LabWindows CVI The utilities in LabWindows allow the creation of a native LabView and LabWindows driver and a Windows Help file As the driver is a Win32 DLL you can use the driver with Visual C C Visual Basic and any other Windows compatible Test Executive that supports 32 bit DLLs LabWindows also provides the ability to generate a type library This type library which you can register with Windows provides semi intellisense in Visual Basic Semi indicates that when you type in the name of the function in the driver you wish to call the VB Intellisense prompts you with the parameters necessary for that function Full Intellisense capability where VB present
51. e ENEE EA i Ei B 4 Four channel parallel sweep example cccsesceecescesseescesceeseeseecsececenaeceaeaecneceaeseeeeseeeeeeaeeeaecneeeaeeeeenees B 5 2 Table 2 1 Table 2 2 Table 2 3 3 Table 3 1 B Table B 1 Table B 2 List of Tables Installation amp Connections Connector terminal designations each channel ccccessesseesceeeeeeceseeeeceseecsecaeesaecaaeaeeaeceaeeeeeeseeseeeeaes 2 6 Output states for KE4500_EnableOutputs commande 2 9 Interlock connector and cable terminal designations ces eseeceseeceeeeeeceeceeeeeseaecereeeeeceaeaeeeecaeeaecaeenees 2 15 Basic Operation Valid current source and voltage source output states cecceescesesseeceseecseceecaecseeeececeseseeeeeeeaeeeseesees 3 10 Terms Concepts and Definitions Subchannel measure capabilities 20 cceececsecsecseeeeceseeeecesceseeeseeeeeeceaeesaecaeceaeceessaeeeeseeeeesaeseaeceeeaeseeaees B 7 Subchaninel Source capabilities eise e eeneg EE rE EEE eda EE ONE EE EEN ER B 7 1 Getting Started 1 2 Getting Started Introduction 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual This user s manual describes operation of the 4510 QIVC and 4511 QIVC Quad IV cards After reading this document you should be able to perform the following tasks e Open up the mainframe e Plug a card into the mainframe e Connect the hardware necessary to operate a card with the mainframe e Use the Keithley 4510 QIVC and 45
52. e Se Eile Help Bi Keithley 4500 MTS m Channel Group 1 ee Channel Group2 COMmunication and Configuration Connection m Channel Group 3 Type v IP Address Disconnect Configuration m Channel Group 4 Channel Groups System Keithley Instruments Inc Model ZS00MIz Channel brauk e Identification Operating System Version 4500 853 1 0 1 Platform Version unknown xl m Channel Group 7 Channel Group 8 z GER Ee Inc Model Number 4510 QIVC z 2 pooo ne 3 al fC O O 4 fC O e 8 z mmm wee emm 9 36 21 AM Getting system information 2003 9 36 21 AM Getting card information for slot 1 6 21 AM Getting card information for slot 5 F Building a new channel group To build a new channel group perform the following steps 1 In the channel tree unselected channel groups are indicated by blue arrows Click a channel group to select it For example click Channel Group 1 The Configuration dialog in the tab control changes to allow channel selection for the group that you select Figure 3 6 2 Inthe Channels drop down box of the Configuration dialog click a channel to select it For example click IVC2 3 Click the right pointing arrow labeled Add to group The selected channel for example IVC2 now appears in the Group 1 Channels field 4 Repeat Steps 2 and 3 until you have selected as many channels as you want to add to the new channel gro
53. e major features of 4510 QIVC and 4511 QIVC e Channel Density The channel density provided by the 4510 QIVC and 4511 QIVC allows for testing of up to 36 channels in a single 4500 MTS chassis Channel density allows you to perform massively parallel tests to accelerate throughput e Source Measure Combinations The 4510 QIVC and 4511 QIVC plug in cards offer modular precision source measure capability Each card provides four channels and each channel includes a current source subchannel and a voltage source subchannel Each channel also includes an instrument grade A D converter for highest possible throughput without compromising precision e Integrated Test System The internal PC and Windows 2000 Operating System of the 4500 system allow users to eliminate the test system controller from new test stands With ethernet interface capability the 4500 MTS can interface directly with facility databases for transfer of test data e User Safety The 4510 QIVC and 4511 QIVC provide for user safety electrical and optical for the target component types Voltage source capability will not exceed 48V on any circuit The system also provides for software and hardware abort capability upon interlock e High Test Throughput and Accuracy The 4510 QIVC and 4511 QIVC provide fast and accurate measurements 4510 QUVC and 4511 QIVC Quad IV Cards User s Manual Getting Started 1 3 e User Interface The 4500 comes with standard drivers for
54. e wwwkeithley com Great Britain Theale 0118 929 7500 Fax 0118 929 7519 wwwkeithley co uk Sweden Solna 08 509 04 600 Fax 08 655 26 10 wwwkeithley com India Bangalore 080 212 8027 Fax 080 212 8005 wwwkeithley com Taiwan Hsinchu 886 3 572 9077 Fax 886 3 572 9031 wwwkeithley com tw Copyright 2004 Keithley Instruments Inc 2 04 Printed in U S A
55. ersion of 4500 MTS software e Help files Contains detailed information for using card driver function calls for the soft ware platforms supported by the 4500 MTS The C Help File covers using the 4500 software with C based platforms while the VB Help File has details for use with Visual Basic e 4500 MTS Real Time Manager The real time manager which runs in the background is launched when the system boots and the user logs in Note that the real time manager task will automatically execute when the system boots The Real Time Manager must be running to access and control the QIV cards e Reset 4500 Resets the chosen QIV card s to power on conditions s VB Embedded Sweep Example A Visual Basic application that demonstrates embedded sweep capabilities 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual Basic Operation 3 3 Figure 3 1 Typical 4500 MTS folder contents File Edit View Favorites Tools Help Ea z search PyFolders CS EXA E Address C C Documents and Settings All Users WINNT Desktop 4500 MTS e Go eo H e ei D k 4500 MTS C Help Fie Release Notes Reset4500 4500 MTS Real Time Manager Select an item to view its description M 2 See also YB Embedded YB Help File Sweep Exa My Network Places 4500 MTS 6 object s KE My Computer Enabling the emulation mode There are two basic operating modes for the 4500 MTS system emulation mode and real mode The emulation m
56. eseecnecaeeeesaecaecaeeaesaeeateeeeaed 3 7 Typical channel group configuration WiIndOW cceceesesssseceecseeseeseceeeeceecsaecessecueceevesercnecateaeesesaeeaeeeeeaed 3 8 Group configuration window after group creation oo eeeeeeccsecseeseesecseteceeceaeceeeeceeceaveeeeneeesaeeeeeeeeaeeaseneeted 3 8 Typical card properties WINdOW eEeuEEEEEOEEEEEEENEEAENE ENEE ESTA ENEEK EERE EENEG 3 9 DDANC ar Sweep EE 3 11 T Bias TE 3 12 T List S Weep settings E 3 12 Typical Sweep Result risien EEEE A EEEE E EESTE 3 15 iii 4 Figure 4 1 Figure 4 2 Figure 4 3 Figure 4 4 Figure 4 5 Figure 4 6 B Figure B 1 Figure B 2 Figure B 3 iv Programming Subchannel block dia gratin ci 2 cevescitsevsas eshexetens cosctxe deeg 4 2 Channel desipmation example i s s ss scsiecieesieseatessaseetectennessnstsndsosie arnei e ae Rar PAS Eaa PrE ERER ETR EEOSE PERSEE 4 3 Current source output during SWEEP isseire E EE RENEE nn ETETE 4 4 Block diagram example of a Linear Sweep ssessseseeseiessssresrersteretsrtiererstrtststsistutstettetsrstrenretrssineetssteeet 4 5 Block diagram of an Immediate Mode test ccccceceeseescesseesceseeesecseecaecsaesaecaeceaeseeseseseeceseeeescaessaecseenseeaeens 4 7 Remote Mode connection block diagram ccceeccessesseescesseeeseseecsecseeeaecacesaeceeceseseeeeseseeseaesenesseeeeeeaeesaes 4 12 Terms Concepts and Definitions RIM System Tray ICON E B 2 Fo r channel nested sweep example 4 is sche cn geg
57. et and TCP IP The first step in QIV card control is to establish a soft ware connection to the Real Time Manager To establish a connection to the QIV card s perform the following steps 1 In the Configuration tab control dialog select either KE4500 local or a remote connection from the Connection Type drop down box The default connection type is Ke4500 a local connection A local connection means that the Application is running on the 4500 MTS or another computer using the emulation mode 2 If you select Remote enter an IP address xxx Xxx XXX XXX 3 Click Connect to populate the following fields in the 4500 MTS Configuration tab Figure 3 5 e System Identification For the Keithley Instruments Inc Model 4500 MTS this field provides information about the Operating System Version Platform Version Serial Number and System Software Version e Card Identifies the card in a given slot as being a 4510 QIVC or 4511 QIVC card e Channels Identifies which channels are on a given card e Card Identification For each card this field provides information about the Manufacturer Model Number Firmware Version Digital FPGA Version Analog FPGA Version Minimum Channel and Maximum Channel 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual Basic Operation 3 7 4 If you want to break the connection click Disconnect Figure 3 5 Typical card configuration window EJ Keithley 4500 MTS Embedded Sweep Example Softwar
58. ey com Warranty information Warranty information is located at the front of this manual Should your Model 4510 QIVC or 4511 QIVC require warranty service contact the Keithley representative or authorized repair facility in your area for further information When returning the instrument for repair be sure to fill out and include the service form at the back of this manual to provide the repair facility with the necessary information 1 4 Getting Started 4510 QUVC and 4511 QIVC Quad IV Cards User s Manual Contact information Worldwide phone numbers are listed at the front of this manual If you have any questions please contact your local Keithley representative or call one of our Application Engineers at 1 800 348 3735 U S and Canada only Safety symbols and terms Ifa screw is present connect it to safety earth ground using the wire recommended in the user documentation The AN symbol on an instrument indicates that the user should refer to the operating instructions located in the manual The A symbol on an instrument shows that it can source or measure 1000 volts or more including the combined effect of normal and common mode voltages Use standard safety precautions to avoid personal contact with these voltages The symbol indicates a connection terminal to the equipment frame The WARNING heading in a manual explains dangers that might result in personal injury or death Always read the associated information very
59. found in the C VXIpnp WinNTiinclude directory or Windows 98 paths replace WinNT with Win95 When you link the program you will need the ke4500 lib file which is located in the C VXIpnp WinNT lib msc or C VXIpnp WinNT lib be directory The lib in the mse directory is for Microsoft C C environments and the one in the be directory is for Borland C C environments To get a list of available functions to call in the driver use the ke4500c hlp file LabView There are two possible install locations for the Labview llb file for the 4500 If the 4500 MTS software was installed before LabView such as on the 4500 MTS Mainframe see Installation A For computers where 4500 MTS software was installed after Labview such as on a remote code development computer see Installation B 4510 QIVC and 4511 QIVC Quad IV Cards User e Manual Programming 4 11 Installation A If LabView was not installed on the PC when the 4500 MTS software was installed the LabView driver will be installed in the C Program Files Keithley Instruments 4500 MTS Labview Driver instr lib Ke4500 directory You can use the driver in this location as follows 1 From the File menu select Open 2 Navigate to the directory described above 3 Select the Ke4500 Ilb file 4 You will then get a list of the functions in the driver Alternatively you can uninstall the 4500 MTS software reinstall it and then follow the proce dure outlined below Or move the Ke45
60. grammed Version information is displayed in the Card Identification field Repeat steps 4 through 7 if incorrect Connections WARNING The following information is intended only for qualified service per sonnel Do not attempt these procedures unless you are qualified to do so Some of these procedures may subject you to electric shock possibly causing personal injury or death Connector terminal designations The supplied 4500 CQIV 2 signal connecting cable is designed to mate with the DUT signal connector on the card The cable branches out to four connectors on the other end one for each of the four identical channels labeled A through D Table 2 1 lists card connector terminal des ignations for each of the four channels Table 2 1 Connector terminal designations each channel Signal Connector pin s I SOURCE HI 3 and 11 V MEASURE HI 4 V MEASURE LO 12 I SOURCE LO 5 and 13 V BIAS HI 1 GUARD gt V BIAS SENSE LO 10 V BIAS LO 9 1 Current source connections 2 Voltage source connections 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual Installation amp Connections 2 7 Block diagram Figure 2 4 Card block diagram I SOURCE E I l V SOURCE l l I NOTE The LSOURCE circuit is bi polar It can source positive or negative current Figure 2 4 shows a block diagram of one channel of the 451x QIVC cards Each of the four channels is identical Each of the four channels has two sub
61. h the channel s on The level parameter value will be output immediately after any V Source channels have been biased and before the outer most sweep is started After the sweep is complete the final parameter value will be output If you do not require the initial and or final values during a sweep operation then set them either to 0 or the same value as the level parameter KE4500_ConfigISourceLinearSweep Purpose Description NOTES Configures a linear current sweep on the I Source subchannel s To sweep down make the stop value less than the start value The chan nels in the channel list are stepped as per the start stop step parameters After the delay value if there is another sweep configured that has a lower order value then the channels associated with that sweep are stepped If there are any channels enabled to measure I or V then these channels are ONLY measured inside the innermost sweep loop See Sweep and sourcing terminology page 4 4 for more details about how sweeping works You must make sure that there are no gaps in the orders for all the chan nels in a channel group For example if you configure a sweep List or Linear on IVC with an order of 1 and you then configure channel IVC2 on an order of 3 an error will be generated when the Ke4500_Initialize function is called If two or more sweeps have the same sweep order then the number of points in all of the sweeps on that order must be the same
62. he original component Note that se lected parts should be purchased only through Keithley Instruments to maintain accuracy and functionality of the product If you are unsure about the applicability of a replacement component call a Keithley Instruments office for information To clean an instrument use a damp cloth or mild water based cleaner Clean the exterior of the instrument only Do not apply cleaner directly to the instrument or allow liquids to enter or spill on the instrument Products that consist of a circuit board with no case or chassis e g data acquisition board for installation into a computer should never require cleaning if handled according to in structions If the board becomes contaminated and operation is af fected the board should be returned to the factory for proper cleaning servicing Table of Contents Getting Started Introd UC e 1 2 General ifort ation ye gessceidecas isc ves cei vas cone nace EEE sates eee EE R E EEA EEE R 1 2 Fegtuteg even de E E Eeer NEEN O E 1 2 Intended appliGati Ons g s s 0 shi5sssshceecenseanscbszens idesetoussip sence cbuescdecsiebapsstunes spaceuinb ENEE Eege EEEEe 1 3 Supported operating Sy Sten EE 1 3 Supported software platforms ccccecceeseesceseseeesecseecaecscesaeceecesecueceseseseaecaeecaeeaeecaessaesaeeseseeseaeeeeseaeeseeeaees 1 3 ee IN WEE 1 3 e Te EE 1 3 Watranty information EE 1 3 Contact IMLORMAUM OM grebtetegetegeeege reri or ei EAE EAEE E S
63. hich means that the function returns immediately so that your program can proceed with other tasks while the test is in progress Use KE4500_TestStatus to monitor test progress and KE4500_Fetch to retrieve the data KE4500_OffsetCorrect Purpose Description Suppresses system offsets for channel s KE4500_QueryEventQueue Purpose Reads an event code and message from the channel group event queue Description Reads an event code and a message that explains the event code from the channel group event queue If the length parameter is not long enough for the message being returned then the message is truncated and no error is returned KE4500_ReleaseChannelGroup Purpose Releases the resources for the channels in the group Description The channels can now be used in another channel group 4510 QIVC and 4511 QIVC Quad IV Cards User e Manual Programming 4 21 KE4500_TestStatus Purpose Description Queries the 4500 to find out the status of a channel group Reads the status of the channel group specified The status value is a 32 bit integer enumeration which specifies the state the channel group is in If an error is returned from this function you should call Ke4500_QueryEventQueue to check if there were any asynchronous errors KE4500_VForceIMeas Purpose Description Using the V Source I measure subchannel perform a Source Delay Measure cycle and return the readings Useful for single point source measure tests and fo
64. ill automatically buffer the data for maximum throughput Avoid making many calls to retrieve just a few data points at a time as this will increase transmission overhead KE4500_GetAttributeViBoolean Purpose Recalls a Boolean setting for a parameter Description This function allows you to query the setting of any ViBoolean parameter KE4500_GetAttributeVilnt32 Purpose Recalls a Vilnt32 setting for a parameter Description This function allows you to query the setting of any ViInt32 parameter KE4500_GetAttributeViReal64 Purpose Recalls a double floating point setting for a parameter Description This function allows you to query the setting of any ViReal64 parameter KE4500_GetAttributeViString Purpose Recalls a string setting for a parameter Description This function allows you to query the setting of any ViString parameter 4510 QIVC and 4511 QIVC Quad IV Cards User e Manual Programming 4 19 KE4500_GetCardInfo Purpose Description NOTE Returns information about a 4500 card in a slot of the Model 4500 Returns a string that is a single piece of information about a particular card in the 4500 MTS The choices of information include these attributes Manufacturer Model Number KE4500_ CARD EMPTY KE4500_ CARD QIVC_ 4510 KE4500 CARD QIVC 4511 Firmware Version Digital FPGA Version Analog FPGA Version Serial Number of the card Initial REV of main PCB Manufacture date Modified version Mini
65. ion Data Gi Channel Group 1 WC Channel Selection and Parameter Extraction m MCA Group 1 Channels m Channel Group 2 Add to group De m Channel Group 3 pis de ES gt Channel Group 4 ph Channel Group 5 ven z Remove from group m Channel Group 6 lt m Channel Group Channel Group 8 1141 412003 7 42 05 AM Creating channels for Channel Group 1 11 1 4 2003 9 31 30 AM Releasing channels for Channel Group 1 11 14 2003 9 31 30 AM Creating channels for Channel Group 1 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual Basic Operation 3 9 Removing a channel from a channel group To remove a channel from a channel group perform the following steps 1 In the channel tree click a channel group to select it 2 From the Group Channels field in the Configuration dialog click the channel you wish to remove For example click IVC4 in the Group 1 Channels field 3 Click the left pointing arrow labeled Remove from group The selected channel disappears from the Group 1 Channels field 4 Repeat Steps 2 and 3 until you have selected the number of channels that you want to remove from the channel group For example select VC6 5 Click Apply to delete the selected channels from the channel group The selected channels in this example IVC4 and IVC6 disappear from the channel tree under the channel group to which you previously assigned them Configuring a channel To configure settings for Sour
66. ithley de Singapore Singapore e 65 6747 9077 e Fax 65 6747 2991 e www keithley com Great Britain Theale e 0118 929 7500 e Fax 0118 929 7519 e wwwkeithley co uk Sweden Solna e 08 509 04 600 e Fax 08 655 26 10 e wwwkeithley com India Bangalore e 080 212 8027 Fax 080 212 8005 e www keithley com Taiwan Hsinchu e 886 3 572 9077 e Fax 886 3 572 9031 e www keithley com tw 2 04 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual Microsoft Windows Microsoft Excel and Visual Basic are either registered trademarks or trademarks of Microsoft Corporation in the United States and or other countries LabView LabWindows are registered trademarks 2003 Keithley Instruments Inc All rights reserved Cleveland Ohio U S A First Printing December 2003 Document Number 451XQIVC 900 01 Rev A Manual Print History The print history shown below lists the printing dates of all Revisions and Addenda created for this manual The Revision Level letter increases alphabetically as the manual undergoes subsequent updates Addenda which are released between Revisions contain important change information that the user should incorporate immediately into the manual Addenda are numbered sequentially When a new Revision is created all Addenda associated with the previous Revision of the manual are incorporated into the new Revision of the manual Each new Revision includes a revised copy of this print history page Revision A Docume
67. lect Start gt Programs gt Keithley Instruments gt 4500 MTS gt VB Embedded Sweep Example Figure 3 3 or 2 double click VB Embedded Sweep Example in the 4500 MTS folder to start the program and display the initial window Figure 3 4 Figure 3 3 Running VB Embedded Sweep Example program using Start menu Set Program Access and Defaults Ke d Windows Update Open Office Document Programs gt Le Accessories GS 4s00 mts gt 4500 MTS Real Time Manager Documents gt La Microsoft Visual Basic 6 0 gt Help File E Ahead Nero d Release Notes E Reset4500 Search i VB Help File bel VB Embedded Sweep Example Settings Help Run Shut Down aega OHS 407m 3 6 Basic Operation 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual Figure 3 4 Embedded sweep example program initial window Channel Tree Tabbed area shows shows group configuration context sensitive settings zl Keithle y 4500 MTS Embedded Sweep Example Software Se File Hef Beier 4500 MTS Configuration Communication and Configura Connection Type ge Systey Iderfification Card Channels Card Identification Channel Group P wm wm CZ 5 Kl t idzC I m Connecting to the 4500 MTS The Embedded Sweep Demo the Application can run with a Controller Mode 4500 MTS that is on the same computer as the 4500 MTS Alternatively the Application can connect to slave remote units via ethern
68. lowing an Auto Offset and 1 C of the temperature at which the Auto Offset was performed and within 1 year of calibration When I SOURCE LO and V SOURCE LO share a common connection current flow through V SOURCE LO s parasitic ground resistance may cause up to 150mV of measurement error This error is limited to measurement only and does not affect voltage source accuracy As guaranteed by design 4 Includes cable inductance For example the total uncertainty of a current source of 1A on the 1A range into a perfect short of OV would be 0 08 x 1A 250uA 144uA x 0V 6V LA 1A 80uA 250uA 144A 474uA I The generic equation of the third error term is Amps Fon out FS Irs 6 Includes 2 meter accessory cable while excluding IR drop in DUT leads 7 Slewrates apply for resistive loads Rload lt 200 Q for 30mA range Rload lt 60 Q for 100mA range Rload lt 12 Q for 500mA range and Rload lt 6 Q for 1A range 8 Hardware limited Specifications subject to change without notice HW 1 28 04 Rev B Page 2 of 2 B Terms Concepts and Definitions B 2 Terms Concepts and Detinitions 4510 QUVC and 4511 QIVC Quad IV Cards User s Manual Introduction Various 4500 terms concepts and definitions are outlined below See Section 4 and online help files for command descriptions 4500 MTS Real Time Manager 4500 Driver Auto zero Channel Channel Group This manager con
69. mum Channel Number e g IVC1 Maximum Channel Number e g VC4 Refer to the KE4500 hlp file for the latest list of attributes KE4500_GetErrorMessage Purpose Description Returns an error message for a given error code This function takes the Status Code returned by the instrument driver functions interprets the Status Code and returns the Status Code as a user readable string If the length parameter is not long enough for the message being returned then the message is truncated and no error is returned KE4500_GetInstalledCards Purpose Description Returns a list containing all the information about the 4500 cards installed in the 4500 MTS Returns a array of Vilnt32 long integers where index 1 indicates the card type in slot 1 and index 2 the card type in slot 2 etc KE4500_ITForceVMeas Purpose Description Using the I Source V measure subchannel perform a Source Delay Measure cycle and return the readings Useful for single point source measure tests and for Mainframe Sweeps where intra sweep decisions or instrument control is necessary Performs a single SDM cycle I source V measure on a Channel Group and returns all selected measurements Specify an array of current bias levels for each of the I Source channels in the Channel List In addition the measurements made and returned can be the Voltage Readback Current both or none One of two Immediate Mode com mands The immediate mode
70. n D ae 30 D em a L295 CH oO gt bg O S D O 7 S S ke ke E E EI EI SE SE 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual Programming Figure 4 4 Block diagram example of a Linear Sweep Connect to 4500 KE4500_Init Create Channel Group KE4500_CreateChannelGroup Configure Measurements Sources Sweep KE4500_ConfigMeasurementSpeed KE4500_ConfigVMeasure KE4500_ConfiglSourceReadback KE4500_ConfigIMeasure KE4500_ConfigVSourceReadback KE4500_ConfiglSource KE4500_ConfigVSourceBais KE4500_ConfiglSourceLinearSweep Turn On Output KE4500_EnableOutputs Start Sweep KE4500_Initiate Sweep Complete No KE5400_TestStatus Yes Turn Off Output KE4500_EnableOutputs Get Data KE4500_Fetch List sweep 4 5 A list sweep a list of user defined current values sometimes called a custom sweep This type of sweep is useful for custom random or other list of source values The list sweep function KE4500_ConfigISourceListSweep allows any current source values to be output as long as the values are within the limits of the channel 4 6 Programming 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual Sweep order The linear and list sweep functions have an order parameter that allows the sweeps to be nested The innermost sweep has an order of 1 Anytime a sweep order is greater than 1 nested sweep ing is performed Sweep channels that have a higher o
71. nabled measurements can drift and become erroneous A channel consists of a single Analog to Digital A D converter shared by two Subchannels the I Source V Measure subchannel and V Source I Measure subchannel Each QIVC has four channels The A D can per form zero to four measurements per SDM cycle See Table B 1 for the available measurements and Table B 2 for source values All channel control is performed via Channel Groups A group consisting of at least one Channel that provides time correlated parallel or nested testing All QIVC source and measure control is per formed via groups A Channel Group is defined by the command KE4500_CreateChannelGroup This command returns a value called the group handle which is used as the reference The group can consist of channels from any QIV card Up to eight channel groups may be defined and each group operates independently Note that a instrument Session must be created before a Group Session is defined 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual Terms Concepts and Definitions Connection Embedded Controller Embedded Sweep Embedded Sweep Example Emulation Mode Group Immediate Mode Instrument Driver Linear Sweep List Sweep Local Control Local Mode A Connection to the 4500 MTS and Real Time Manager RTM is established by using the KE4500_Init command which establishes an instrument Session This connection must be established before any QIVC cont
72. nels configured with the KE4500_ConfigISourceBias function are sourced The sweep channels with the highest order value are sourced next Any measurement channels that you enable with the Config functions are only measured in the innermost sweep as shown previously in the pseudo code Immediate mode The immediate mode does not perform a sweep but a single Source Delay Measure SDM cycle on a channel group It gives the ability to force a set of source values and then make mea surements without the overhead of a sweep Each subchannel has an immediate mode command KE4500_IForceVMeas I Source sub channel KE4500_VForcelMeas V Source subchannel The Immediate mode combines several parameters and actions required into a single function EnableOutput Initiate Source Measure Sweep test complete Fetch Figure 4 5 shows a block diagram of the imme diate mode To further understand the Immediate Mode use the online help see the function call details later in this section and compare with Figure 4 3 and Figure 4 4 Figure 4 5 Block diagram of an Immediate Mode test Connect to 4500 KE4500_Init Create Channel Group KE4500_CreateChannelGroup Configure Measurements Sources Sweep KE4500_ConfigMeasurementSpeed KE4500_ConfiglSource KE4500_ConfigVMeasure KE4500_ConfiglSourceReadback KE4500_ConfiglMeasure KE4500_ConfigVSourceReadback Perform Test KE4500_IForceV
73. ngs m C4 Initial Value Number of Points Order Final Value Channel Group 2 m Channel Group 3 m Channel Group 4 Channel Group 5 Delay List m Channel Group 6 rr m Channel Group 7 m Channel Group 8 11 1 4 2003 7 42 05 AM Creating channels for Channel Group 1 a 1141 4 2003 9 31 30 AM Releasing channels for Channel Group 1 11 14 2003 9 31 30 AM Creating channels for Channel Group 1 H 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual Basic Operation 3 13 To return to channel properties click the Properties tab in the Sweep or Bias settings window To configure settings for Current Source Measurement Options perform the following steps 1 In the Current drop down box select AUTOZERO_ONCE NONE PROGRAMMED or AUTOZERO The default selection is AUTOZERO_ONCE 2 In the Voltage drop down box select AUTOZERO_ ONCE NONE or AUTOZERO The default selection is AUTOZERO ONCE NOTE AUTOZERO will give the best accuracy over the longest time For shorter test times use AUTOZERO_ONCE NONE means that no mea surements are taken See Auto Zero definition in Appendix B PROGRAMMED option does not work for list sweeps Autozero references taken for one measurement on a channel are appli cable to all measurements on that channel However Autozero all once is settable on a per measurement basis This means that if for example you select Autozero all for V measure I source subchannel and Autoz
74. nnel Group 2 m Channel Group 3 m Channel Group 4 Le Output State r Data Check for sweep complete every 100 msec I Run Repeatedly Stop m Channel Group 5 Current JoFF SHORTED Voltage JOFF SHORTED z m Channel Groupp e Channel Group 7 Displaying Results for Group Channel 1 m Channel Group 8 MeasCurrl MeasVoltt ReadbackVolt _ ReadbackCurrt 8 051396E 6 1 697479E 0 2 884865E 4 1 189562E 3 8 358955E 6 1 699614E 0 1 311302E 3 1 230597E 3 7 126331E 6 1 705357E 0 1 115799E 3 1 712458E 0 8 974075E 6 1 714203E 0 1 261234E 3 1 199245E 5 1 719016E 0 9 098053E 6 1 720685E 0 1 358986E 3 2 061486E 3 z Output Indicator OFF O Save Data Meas time 200ms Transfer time 10ms Total Time 210ms 12 18 2003 2 24 01 PM Turning current source output OFF SHORTED for IVC1 12 1 8 2003 2 24 01 PM Turning voltage source output OFF SHORTED for IVC1 Saving test data to a file To save test data to a file perform the following steps 1 In the Data tab ensure that the Run Repeatedly check box is unchecked Click Save Data to display the Save Data As window From Save in select a folder in which to save the test data file or create a new folder The default folder Data is located in the following path 4500 mts Examples Vb 4500DemoSW Data Enter a name for the test data file in the File name field Use the default file name or type in a new file name Do not u
75. nt Number 451 XQIVC 900 01 0 eeeeseeeeseseeeeeeseeeesseeeseaesesesseeeesaeaes December 2003 All Keithley product names are trademarks or registered trademarks of Keithley Instruments Inc Other brand and product names are trademarks or registered trademarks of their respective holders KESA Safety Precautions The following safety precautions should be observed before using this product and any associated instrumentation Although some in struments and accessories would normally be used with non haz ardous voltages there are situations where hazardous conditions may be present This product is intended for use by qualified personnel who recog nize shock hazards and are familiar with the safety precautions re quired to avoid possible injury Read and follow all installation operation and maintenance information carefully before using the product Refer to the manual for complete product specifications If the product is used in a manner not specified the protection pro vided by the product may be impaired The types of product users are Responsible body is the individual or group responsible for the use and maintenance of equipment for ensuring that the equipment is operated within its specifications and operating limits and for en suring that operators are adequately trained Operators use the product for its intended function They must be trained in electrical safety procedures and proper use of the instru ment
76. ode provides pretend cards for running existing 4500 programs or developing new ones The Real mode Emulation mode disabled lets programs control 4500 cards in the system To select the operating mode double click on the 4500 MTS icon in the Windows Control Panel click on the System Settings tab and then Enable or Disable the emulation mode as desired Click OK to select Figure 3 2 shows the control panel System Settings tab refer to the 4500 MTS Mainframe User s Manual for other mainframe settings NOTE Emulation mode provides basic QIV functionality but is not a complete emulation of a QIV card All measurements are simulated operation and test times are invalid and there is no interlock functionality the interlock is always over ridden 3 4 Basic Operation 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual Figure 3 2 4500 MTS control panel System Settings tab 4500 MTS Configuration System Settings Firmware Update Set defaults for us D eil GG Enabled Power Line Frequency Jeo Hz x Disable Generate System Generate Technical Info File Support Files Using the Embedded Sweep Example program Overview Example program capabilities The supplied Visual Basic Embedded Sweep Program demonstrates 4510 QIVC and 4511 QIVC sweep capabilities If the emulation mode is enabled the embedded sweep example program will operate without any cards in the system If the emulation mode is disabled real
77. olts Delay sec a Sp 10 000001 0 0001 0 0002 pon oe Output ON X E KES ASSE E EE N A OLIN Me SAS Measurement Options e Range Current Voltage I 10uA EI KE ONCE d hue en ONCE d 120 7 2003 4 11 54 PM Getting card information for slot 8 12 1 7 2003 4 12 03 PM Creating channels for Channel Group 1 3 10 Basic Operation 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual 4 The Source Options Output state sets the subchannel output state condition used just prior to the start of the sweep e OFF SHORTED the output will be in the shorted state with the output off e ON the output will be turned on e OFF OPEN the output will be in the open isolated state with the output off Valid output states are listed in Table 3 1 Any other combination will result in an error mes sage See Output states page 2 8 for more information Table 3 1 Valid current source and voltage source output states Current source subchannel Voltage source subchannel OFF SHORTED OFF SHORTED ON ON ON OFF SHORTED OFF SHORTED ON ON OFF OPEN OFF OPEN ON OFF OPEN OFF OPEN 5 Determine which type of test to run by selecting one of the following radio buttons I Bias I Linear Sweep or I List Sweep I Linear Sweep is the default selection 6 To further configure settings for the specific type of test that you chose in Step 5 click Settings afte
78. oses a connection to a specific 4500 MTS Description The connection and resources allocated for this session by the init func tion are cleared This function works with both a controller 4500 MTS and a remote 4500 MTS KE4500_ConfigIMeasure Purpose Configures the current measurement and range on the V source sub channel Description Configures two measure parameters for the V Source subchannel cur rent measurement 1 measurement 2 measurement range KE4500_ConfigISource Purpose Configures physical parameters for I Source subchannel s Description Configure the parameters associated with sourcing a current on chan nels Pass in the IVC channels that you want to configure 4 14 Programming 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual KE4500_ConfigISourceBias Purpose Description Configures the current level to output on the I Source subchannel s Use this function if you just want to output a fixed current level on an I Source channel If no sweeps are configured and you want to output a current level on a channel set the initial and level parameters to the current value that you want to output Then call the KE4500_EnableOutput to switch the channels on Alternatively the KE4500_IForceVMeas may be used to source a fixed current level If you are trying to bias a fixed current as part of a sweep then the initial parameter value will be output when the EnableSourceOutput function is called to switc
79. output will be in the open isolated state with the output off Again valid output states are listed in Table 3 1 and any other combination will result in an error message See Output states page 2 8 for details 3 14 Basic Operation 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual To configure settings for Measurement Options perform the following steps 1 In the Current drop down box select AUTOZERO_ ONCE NONE or AUTOZERO The default selection is AUTOZERO_ONCE 2 In the Voltage drop down box select AUTOZERO_ONCE NONE PROGRAMMED or AUTOZERO The default selection is AUTOZERO ONCE 3 Seta range of 10uA 500uA or 10mA by selecting a value from the Range drop down box The default value is 10uA Running a test To run a test once perform the following steps 1 Click the channel group for which you want to run a test in the channel tree For example click Channel Group 1 then click the Data tab Figure 3 12 2 Select the Final Output State output states after the sweep is run and data is fetched for both Current and Voltage as follows e OFF SHORTED the output will be in the shorted state with the output off e ON the output will be on e OFF OPEN the output will be in the open isolated state with the output off Again see Table 3 1 for valid output states and Output states page 2 8 3 Click Run in the Data dialog Test results appear in a grid control under the heading Displaying
80. p per channel eg I source subchannel V measure Channel 1 Order 1 Number of readings 1 Number of steps 100 Channel 2 Order 2 Number of readings 1 Number of steps 20 This example is using a nested sweep so the total number of readings is calculated differently To calculate the number of readings in a nested sweep multiply the number of steps in each order Total number of readings total readings in order 1 x total readings in order 2 x total readings in order 3 x And the total readings in each order number of channels in the order x total number of steps in the order Total number of readings total readings in order 1 total readings in order 2 1x100 x 1 x 20 2000 The calculation for the number of sweep source settings in a nested sweep is calculated Total number of sweep source settings total sweep points in order 1 total sweep points in order 2 total sweep points in order 3 And the total sweep source settings in each order number of steps in the order x total number of steps in the order Total number of sweep source settings total sweep points in order 1 total sweep points in order 2 1 x 100 1 x 20 120 Total Memory Usage readings Sweep source settings 2000 120 2120 entries 4 10 Programming 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual Using the 4500 driver with various programming environmen
81. page 2 13 for interlock information Maximum isolation from earth ground is 20V Exceeding this value may result in a shock hazard When making connections do not leave any exposed connections Be sure that all external circuits are properly insulated WARNING The following information is intended only for qualified service per sonnel Do not attempt these procedures unless you are qualified to do so Some of these procedures may subject you to electric shock possibly causing personal injury or death NOTE The 4500 MTS mainframe is shipped from the factory with ordered mea surement cards already installed The following procedure is intended for those who wish to install additional cards in the field Cover removal WARNING _ Disconnect the line cord and all other cables from the mainframe before removing the cover Tools Required 1 Tip Phillips Screwdriver Wrist ground strap Procedure 1 Remove the six 6 screws that secure the cover to the case located on the bottom side of chassis Figure 2 1 page 2 4 2 Carefully remove the cover from the case by sliding it off the top of the chassis 3 Loosen the twelve 12 screws that secure the flat cover plate to the chassis Figure 2 2 page 2 4 slide the plate toward rear of chassis about 0 25 and lift off 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual Installation amp Connections 2 3 WARNING The safety shield that covers the fan and front area should not be
82. provides quicker and simpler testing for non sweep applications The Immediate Mode commands includes the measurement configuration Initiate test complete and data Fetch into a single command 4 20 Programming 4510 QIVC and 4511 QIVC Quad IV Cards User e Manual KE4500_Init Purpose Initializes the driver and makes a connection to the local 4500 MTS Description The resource name passed tells the transport layer TAPI how to make a connection The vi session a returned parameter serves as the handle for many of the functions that work on a system basis This parameter lets the functions know which 4500 you want to communicate with This must be the first command sent to the 4500 as the returned handle is required for subsequent communication If the resetDevice parameter is true then a hard reset is done on all the cards in the 4500 MTS system A hard reset pulls on the reset line of the card The card is reset as if power was just applied to the card A reset drops all other 4500 sessions and channel groups For Local Mode The resourceName parameter should be KE4500 or use the constant KE4500 VAL LOCAL For Remote Mode If the TCP IP address of the 4500 is known for example 192 168 0 144 a connection can be made by passing in the resource string of 192 168 0 144 KE4500_Initiate Purpose Executes a sweep on a channel group in the 4500 MTS and returns immediately Description This function is asynchronous w
83. r Mainframe Sweeps where intra sweep decision or instrument control is necessary Returns the data from a 4500 MTS as fast as possible Specify an array of voltage bias levels for each of the V Source channels in the Channel List The user may want to measure only the measured current readback voltage or both Use the reading selection parameter to distinguish which type of data you want for this channel List A Specifications Model 451x QIVC Series The 451x QIVC cards incorporate four independent isolated measurement channels on a single card Each channel consists of a e Programmable multi range current source with programmable voltage clamp source read back and precision voltage measurement e Programmable voltage source with source read back and precision multi range current measurement The 451x QIVC cards are recommended for use only with the 4500 MTS Product CURRENT SOURCE Programming Accuracy 1 Year Programming Accuracy 24 hr Noise Typical Programming 23 C 5 C 23 C 1 C peak to peak Range Model Resolution Yordg amps amps Vo Vss Lo Iis rdg amps amps Vo Vss llo Ins 0 1Hz 150kHz 30 0000mA 4510 2uA 0 08 7 4uA 4 3uA 0 065 3 5uA 4 3uA 100uA 100 000mA 4510 11 SpA 0 08 25A 14 34A 0 065 13uA 14 3u4A 100uA 300 000mA 4511 154A 0 08 754A 43uA 0 065 40uA 434A 200A 500 000mA 4510 25uA 0 08 1224A 724A 0 065 Aua 72uA 2504A 1 000A 4511 50uA 0 08 2504A 1444A 0 0
84. r you select a type of test to run 7 A Properties dialog specific to the selected test appears a Ifyou select I Linear Sweep a Properties tab labeled I Linear Sweep Settings appears Figure 3 9 In this dialog enter values in the following fields e Initial Value default value is 0 001 e Start Value default value is 0 001 e Stop Value default value is 0 01 e Final Value default value is 0 01 e Number of Points default value is 100 e Order default value is 1 e Delay default value is 0 seconds NOTE In Steps 7a and 7c sweep Order is a drop down box from which you can select from one up to the number of channels in the group not to exceed 36 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual Basic Operation 3 11 Figure 3 9 I Linear Sweep settings sl Keithley 4500 MTS Embedded Sweep Example Software Be File Help M Keithley 4500 MTS Properties Channel Group 1 ba WH l1 Linear Sweep Settings m ivea Initial Value Start Value Stop Value Final Value m Channel Group 2 Channel Group 3 Joan 0 001 joo 0 01 m Channel Group 4 m Channel Group 5 m Channel Group 6 Number of Points Order Delay seconds Channel Group 7 ho oo M x f m Channel Group 8 11 1 4 2003 7 42 05 AM Creating channels for Channel Group 1 b Ifyou select I Bias a Properties tab labeled I Bias Settings appears Figure 3 10 In this dialog enter values in the following fields Initial Value
85. racket to DUT CURRENT SOURCE VOLTAGE COMPLIANCE Programming Accuracy 1 Year Programming Accuracy 24 hr Range Programming Resolution 23 C 5 C Yordg volts 23 C 1 C rdg volts 6 000V 200uV 0 1 4 7mV 0 07 3 7mV MINIMUM COMPLIANCE VOLTAGE 100 mV VOLTAGE SOURCE Programming Programming Measurement Measurement Accuracy 1 Year Accuracy 24 hr Default Accuracy 1 Year Accuracy 24 hr Programming 23 C 5 C 23 C 1 C Measurement 23 C 5 C 23 C 1 C Full Scale Resolution Yordg volts Yordg volts Resolution Yordg volts Yordg volts 10 000V 400uV 0 1 6mV 0 07 4mV 10uV 0 1 ImV 0 06 540uV VOLTAGE OUTPUT SETTLING TIME lt 300us to 0 1 typical resistive load after command is processed VOLTAGE OUTPUT SLEW RATE lt 0 5V us typical resistive load after command is processed VOLTAGE NOISE 10pV RMS 0 1Hz to 10Hz typical CURRENT LIMIT 25mA typical MAXIMUM CAPACITIVE LOAD 20nF on 10uA and 500A range 35nF on 10mA range HW 1 28 04 Rev B Page of 2 MISCELLANEOUS AUTOMATIC OFFSET COMPENSATION The user can command the 451x QIVC to disconnect itself from the device under test and measure and store any offsets in the source and measure circuitry so that future measurements are appropriately compensated VOLTAGE SOURCE CURRENT MEASUREMENT Measurement Accuracy 1 Year Measurement Accuracy 24 hr Default Measurement Range 23 C 5
86. rder value are nested around the inner sweep The following pseudo code is and example for testing a 5 cavity laser diode module For Itp Inpi tO Is Force Iip For Igrace Isracci tO Ipracen Force Lena For Ipase Ipyasz1 tO Ipyasen Force Ipyasr For Igain Icarm tO Jonge Force Lon Measure Igp Leen Ipp2 TEN Ippn Measure Vip Verace VpHAasE Near Next Lon Next IppaAsE Next Lennon Next Iip The innermost sweep is the Igary and it has a sweep order of 1 The Next order is 2 for the IpHasE Sweep the Next order is 3 for the Igragg sweep and the Next order is 4 for the Izp sweep Note that measurements are made only on the innermost order Using KE4500_ConfigISourceLinearSweep or KE4500_ConfigISourceListSweep will provide an Embedded Sweep but it is possible to also program a nested sweep using code similar to the above example to program a Mainframe Nested Sweep NOTE Ensure that there are no gaps in the orders for all the channels in a channel group For example if a sweep List or Linear is configured on IVC with an order of 1 and then channel IVC2 is configured with an order of 3 an error will be generated when the KE4500_Initialize func tion is called If two or more sweeps have the same sweep order the number of points in all of the sweeps on that order must be the same If any one of the channels on the same order in the channel group has a different number of points an error will be generated when the K
87. rol is possible See Local Control and Remote Control for more information The processor located on each QIV card A sweep that is performed by the embedded controller on the QIV card This is either an I Source Linear Sweep or I Source List Sweep Since the sweep is controlled by the card itself the sweep runs quickly but cannot provide data to the Mainframe PC for interactive control during the sweep Both the Linear Sweep and List Sweep may be used as a Parallel Sweep or Nested Sweep by specifying a Sweep Order After a sweep is complete data is retrieved using the KE4500_Fetch command Contrast with Mainframe Sweep A complete software application that you can run to test the basic function ality of the 4500 with QIVC cards This software application is not intended for use in a production environment One of the two operation modes for the 4500 Real Time Manager RTM The Emulation Mode does not communicate with the QIVC hardware but provides pretend cards useful for 4500 code development and initial code troubleshooting Note that Emulation Mode can be used on for a 4500 RTM installed on a non 4500 MTS Contrast with Real Mode See Channel Group One of two QIVC source measure modes Sweep and Immediate The Immediate Mode performs a single Source Delay Measure SDM cycle and returns the desired measurements There is a Immediate Mode command for each Subchannel KE4500_IforceVMeas for the I Source subchannel KE4500_Vfor
88. roximity to the equip ment and within easy reach of the operator For maximum safety do not touch the product test cables or any other instruments while power is applied to the circuit under test ALWAYS remove power from the entire test system and discharge any capacitors before connecting or disconnecting cables or jump ers installing or removing switching cards or making internal changes such as installing or removing jumpers Do not touch any object that could provide a current path to the com mon side of the circuit under test or power line earth ground Always make measurements with dry hands while standing on a dry insulated surface capable of withstanding the voltage being measured The instrument and accessories must be used in accordance with its specifications and operating instructions or the safety of the equip ment may be impaired Do not exceed the maximum signal levels of the instruments and accessories as defined in the specifications and operating informa tion and as shown on the instrument or test fixture panels or switching card When fuses are used in a product replace with same type and rating for continued protection against fire hazard Chassis connections must only be used as shield connections for measuring circuits NOT as safety earth ground connections Ifyou are using a test fixture keep the lid closed while power is ap plied to the device under test Safe operation requires the use of a
89. s a list of the functions as you type a function name requires an ActiveX DLL or OCX driver Currently the driver does not provide full intellisense capability Driver functions commands appear in the following lists along with descriptions 4510 QIVC and 4511 QIVC Quad IV Cards User e Manual Programming 4 13 Source code Introductory code examples for IV sweep applications can be found in the Program Files Kei thley Instruments 4500 MTS Examples folder Please refer to the Online programming refer ence help and the release notes For Visual Basic and C C help use the help links in Start gt Programs gt Keithley Instruments gt 4500 MTS For LabView use the help Ctrl H capability in the LabView environment Driver functions NOTE The function descriptions that follow are abbreviated and do not include associated parameters or returned values See the online help file for your programming language for complete details on each function KE4500_ Abort Purpose Stops an operation running on a group of channel s for example a sweep Description Stops an operation previously started through the Initiate function KE4500_ClearEventQueue Purpose Removes all pending status messages and errors from the instrument event queue Description Events from the 4500 MTS are kept on a per channel group basis This function removes all pending errors and messages from the channel groups event queue KE4500_ Close Purpose Cl
90. s configuration of source and measure or executing a sweep 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual 4 17 Programming KE4500_EnableOutputs Purpose Description To enable disable the current and voltage source channel s output respectively This function can also be used to open the current and or voltage source output stage and thereby disconnect the DUT for 451x QIVC cards only This function is used to enable disable open 451x QIVC only the current and voltage source output of the two subchannels There are three output states ON Figure 2 6 OFF_OPEN Figure 2 8 OFF SHORT Figure 2 7 OFF OPEN will cause the card to open the output stage and thereby disconnect the DUT Figure 2 8 See Appendix C for a discussion of output relay lifetime The output will go to its initial value if set using any of the following functions KE4500_ConfigISourceLinearSweep KE4500_ConfigISourceListSweep KE4500_ConfigISourceBias KE4500_ConfigVSourceBias Valid combinations of the I Source and V Source output states are as follows I Source_Output_State V Source_Output_State KE4500_VAL STATE OFF SHORTED KE4500_VAL STATE OFF SHORTED KE4500 VAL STATE ON KE4500 VAL STATE ON KE4500 VAL STATE ON KE4500_VAL_STATE_OFF_SHORTED KE4500_VAL_STATE_OFF_SHORTED KE4500 VAL STATE ON KE4500 VAL STATE ON KE4500_VAL_STATE_OFF_OPEN KE4500 VAL STATE OFF OPEN KE45
91. s on the backplane and then carefully insert the card into those connectors Make sure the card is properly seated in all connectors by applying firm even pressure to the top edge of the card 5 Install the screw 1 at the rear panel location to secure the card 6 Re install the PCI card retainer retighten the three 3 screws 7 Replace the mainframe top cover plate and cover 2 4 Installation amp Connections 4510 QIVC and 4511 QIVC Quad IV Cards User e Manual Figure 2 1 Case cover removal re Case Cover Slide Cover Off Carefully N Remove Six 6 Screws Figure 2 2 Flat plate removal Flat Cover Plate Slide Cover Toward Rear of Chassis 0 25 Lift Flat Cover Plate Off 4510 QIVC and 4511 QIVC Quad IV Cards User e Manual Installation amp Connections 2 5 Figure 2 3 Card installation 4510 QIVC or 4511 QIVC Card PCI Retainer Bracket Remove Securing Screw and Bracket Reuse Screw to Secure 45XX QIVC Card Install Card in Desired PCI Slot Loosen Three 3 Screws Card removal To remove a card first disconnect all cables connected to the card remove the rear plate screw and then remove the card from the slot Card configuration The operating system software will automatically recognize and configure the card the next time the mainframe power is turned on Card operation is covered in Section 3 Software installation NOTE The softw
92. se a name that is already being used The default file name is 4500Data Click Save The test data file is saved as a CSV file so that you can import it into other applications such as Microsoft Excel A Programming 4 2 Programming 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual Introduction This section contains information on writing your own programs to use the 4510 QIVC and 4511 QIVC cards Operation overview Channel designation description The 451x Quad IV Card Series have four IV Channels IVC1 through IVC4 Each channel has two subchannels a Current Source Voltage Measure subchannel and a Voltage Source Current Measure subchannel The two subchannels share an analog to digital A D converter so that you can measure voltage and current on both sources The two subchannels also share a common floating ground When there are two or more cards plugged into a 4500 MTS chassis the card nearest to the right hand side of the chassis from the rear becomes channels through 4 The next similar card to the left of the first one becomes channels 5 through 8 and so on Figure 4 2 provides an example of channel designations for three QIVC cards If the chassis is not completely full of QIVC cards there can be empty slots between the filled slots as shown in Figure 4 2 NOTE A maximum number of eight 4511 QIVC cards should be installed in a 4500 MTS system The 4500 MTS is not recommended for use with nine 4511 QIVC
93. sisiring iiaae E A EE S E SR EEE ERE E RE EE 2 7 IDUTconmections Egger 2 8 TOEMMES EE 2 10 Output Off Shorted State eet ccs gedd EE deed ie a eie eE edd Sege 2 10 O tp t Off Open State usage efeteugi eeeeedetgeeieie eieiei Candeecagavestsncs einsi a etuanlites ER Ee dief iisa irisi 2 11 LED forward bias simultaneous I Source and V Source connections cseeessseceeeceeeseeeeeeeaeeeteceeeneees 2 12 LED reverse bias simultaneous I Source and V Source connections ceeeceeseeseeeecseeeeeecaeeeeeeseeeneees 2 12 Connections directly to card interlock connector oo ceceeccecesseesceseeescesceseeceecaeecaeceaeaeceeeeeeeeeeeeseenseeaees 2 14 Connections to interlock cable 9 pin connector eecceeseessesseescescecsecstessecsaeaecesceseeaeeeeseeeeeeseeeeseeeneeaees 2 15 Multiple card interlock connections 04 i ccccsccaccceecsctsclcencecuaceddscecvhcuicaus sua detda secede idadiedocherdesddecrecsdecteetecseed 2 17 Basic Operation Lypical 4500 MTS toldet contents o 81c scesvenesd ctisieescreteicedt sgdavererbastsiens E eika EEEE edie bet AE 3 3 4500 MTS control panel System Settings ob 3 4 Running VB Embedded Sweep Example program using Start menu ceeeecceeceseneeeeceeceeceeeeeaeeeeeeeeees 3 5 Embedded sweep example program initial WINdOW ececeseeeeeeeecneeseeseenecaeeeeeneeaeceseeceeceecaeeaeesesaeeeeeeeeaed 3 6 Typical card configuration Window ecsseecsesceesceesceecseeseesceaecaeeeceaeeaecereeceaeaeee
94. sweep and the Next order is 4 for the ILD sweep In Figure B 2 note that for each step in the Sweep Order 4 Outer loop there is one complete sweep for the Sweep Order 3 Figure B 2 Four channel nested sweep example Sweep Channel Drive Currents Channel Order 300 mA Outer Loop 1 sweep oma IVC4 4 4 sweeps iim eat IVC3 3 16 sweeps oma ETE ele Wi a Inner Loop 64 sweeps SE WA WC 1 Time Ath Order sweep 4 steps per sweep 4510 QUVC and 4511 QIVC Quad IV Cards User s Manual Terms Concepts and Detinitions B 5 NPLC The integration time specified as the number of power line cycles NPLC where 1 PLC for 60Hz is 16 67msec 1 60 and 1 PLC for 50Hz is 20msec 1 50 Parallel Sweep A Parallel Sweep has all channels in the group stepping together incre menting the source values for all channels at each step Figure B 3 A Parallel Sweep has each channel outputting the next source value at each step Basically all channels in the group are stepping together The Parallel Sweep concept is implemented in Embedded Sweeps by setting the Sweep Order 1 for all channels in the group Figure B 3 Four channel parallel sweep example Channel Drive Currents Sweep Channel Order 300 mA Oma o ooo IVC4 1 10 mA Gian IVC3 1 50 mA om IVC2 1 10 mA OmA sg I
95. the tree and clicking on the Configuration tab on the right side you can see which channels are available Figure 3 6 By selecting one of the unused channels and clicking on Add to Group you can start to build a new channel group 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual Basic Operation 3 5 Clicking Apply creates the Channel Group and the tree shows the new channel group and the channels in the group Figure 3 7 You can configure channels by selecting them in the tree The tab control will show an appropriate dialog to configure the type of channel you select Figure 3 8 shows a typical card properties window By selecting one of the channel groups in the tree you can run a test and retrieve data into a grid control Figure 3 12 You can save this data to a file for future analysis Running the 4500 MTS Embedded Sweep Example program To run the 4500 MTS Embedded Sweep Example program perform the following steps 1 To run the example program using the emulation mode click on the System Settings tab in the 4500 MTS control panel located in the Windows Control Panel and then Enable the emulation mode To run the software in the real mode click on the System Settings tab in the control panel and then Disable the emulation mode Click OK to complete your selec tion If you are using the real mode make sure at least one 4500 card is present in the main frame 2 You can run the example program in one of two ways 1 se
96. tputs are enabled when switch is closed disabled when switch is open Channel D Enable Interlock connector and cables To facilitate interlock connections the following connector and cable kit are available e Mating connector for rear panel interlock connector Keithley model number 4500 ILK KIT 1 e Interlock cable kit Keithley model 4500 CILK where relates to available cable lengths 0 5 1 2 3 meters See Figure 2 12 for connections to the 9 pin connector on the end of this cable 4510 QIVC and 4511 QIVC Quad IV Cards User e Manual Installation amp Connections 2 15 Figure 2 12 Connections to interlock cable 9 pin connector Card interlock 4510 QIVC or 4511 QIVC Card psoas pies aaa i terminals connector J terminals 5V i WW Test Switch fixture Channel A Enable Channel B Enable Channel C Enable H Channel D Enable i Channel outputs are enabled i 4500 CILK when switch is closed disabled d interlock when switch is open Seege ee SES cable Interlock terminal designations Table 2 3 summarizes terminal designations for the 14 pin interlock connector on the 451x QIVC and the 9 pin connector on the interlock cable Table 2 3 Interlock connector and cable terminal designations 14 pin interlock 9 pin cable connector connector Signal description 1 1 5VD 5V digital supply 2 6 DIAG RX not implemented 3 2 DIAG TX not implemented 4
97. trols the QIV cards over the PCI bus and runs on the Mainframe PC There are two operation modes for the RTM Emulation and Real The RTM is initially launched via a shortcut in the Windows Startup folder Figure B 1 shows the icon displayed in the System Tray when the RTM is running The RTM must be running to access and con trol the QIV cards Figure B 1 RTM System Tray Icon This is the KE4500 dll file that is the interface to the QIV cards The driver utilizes VISA driver concepts This file resides in Program Files Keithley Instruments 4500 MTS bin folder This driver file com municates over TCP IP to the 4500 Real Time Manager To access this driver from a development environment such as Microsoft Visual Basic or Visual C see the help files in Program Files Keithley Instru ments 4500 MTS help Every A D conversion reading is calculated from a series of zero ref erence and signal measurements With auto zero enabled all three of these measurements are performed for each reading to achieve rated accuracy With auto zero disabled zero and reference are not measured This increases measurement speed but zero drift will eventually corrupt accuracy Temperature changes across components within the instru ment can cause the reference and zero values for the A D converter to drift due to thermo electric effects Auto zero acts to negate the effects of drift in order to maintain measurement accuracy over time Without auto zero e
98. ts References to online help Depending on which programming environment you use the following list will direct you to the appropriate online help utility Refer to this help file for detailed information on available func tions and how to use them See the releasenotes htm file in the 4500 MTS desktop folder for supported programming environment versions MS Visual Basic users Refer to VB Help file in the 4500 MTS folder MS Visual C C 32 bit users Refer to the C Help file 4500 MTS folder NI LabView users List functions while in LabView NI LabWindows CVI users Refer to C Help file Basic assumptions The information below assumes that the 4500 MTS software has already been installed correctly Using specific programming environments Visual Basic 1 Run Visual Basic From the Project menu select References Scroll down in the Available References list and select the Keithley 4500 Modular Test System If it is not displayed the 4500 MTS software has not been installed correctly To get a list of available functions to call in the driver either a Use the ke4500 hlp file b Run the object browser on the Visual Basic toolbar and select the ke4500 library You will see a hierarchal list of all the available functions attributes and defined constant values Microsoft Visual C or NI LabWindows CVI 1 3 Include the ke4500 h and ke4500const h files in your C project These can both be
99. ument Driver calls functions in the Tester API layer transport layer to make connections and communicate with the 4500 MTS An environment for developing computer applications such as LabView Also a computer language environment for developing computer appli cations like Visual BASIC or LabWindows CVI A computer typically a PC used to configure and acquire data from various instruments in a test system 4510 QIVC and 4511 QIVC Quad IV Cards User s Manual Terms Concepts and Definitions B 7 Trigger Bus Bus consisting of eight hardware trigger lines When a Channel Group is created it is assigned a trigger line VISA Virtual Instrument Software Architecture is a standard for configuring programming and troubleshooting instrumentation systems comprising GPIB VXI PXI Serial Ethernet and or USB interfaces Table B 1 Subchannel measure capabilities Subchannel Measurement Measure configuration command I Source V Measure KE4500_ConfigVMeasure I Source Readback KE4500_ConfigISourceReadback V Source Bias I Measure KE4500_ConfigIMeasure V Source Readback KE4500_ConfigVSourceReadback Table B 2 Subchannel source capabilities Subchannel Source Source Command I Source Current KE4500_ConfigISourceLinearSweep KE4500_ConfigISourceListSweep KE4500_ConfigISourceBias KE4500_IForceVMeas Voltage KE4500_IForceVMeas Vclamp with KE4500_ConfigISource V Source
100. up For example select VC2 and IVC4 5 Click Apply to accept the selected channels as part of the new channel group The selected channels in this example IVC2 and IVC4 are indicated by red arrows in the left side of the screen These channels appear in the tree under the channel group to which you assign them Figure 3 7 NOTE If you add a channel to a channel group and then attempt to add that same channel to another channel group the following error message appears This channel is already in use Please select a different channel Click OK to resume selecting available channels 3 8 Basic Operation 4510 QIVC and 4511 QIVC Quad IV Cards User e Manual Figure 3 6 Typical channel group configuration window zl eithley 4500 MTS Embedded Sweep Example Software Eile Help BI Keithley 4500 MTS Configuration Data Gi IN r Channel Selection and Parameter Extraction m Channel Group 2 Sa Channel Group 3 Group 1 Channels m Channel Group 4 Add to group Channel Groupp D S Channels El m Channel Group 6 m Channel Group 7 Net z m Channel Group 8 8 19 200 0 05 AM Getting system information 8 19 2003 9 50 05 AM Getting card information for slot 1 8 1 9 2003 9 50 05 AM Getting card information for slot 5 E Figure 3 7 Group configuration window after group creation sl Keithley 4500 MTS Embedded Sweep Example Software BBE File Help BI Keithley 4500 MTS Configurat
101. ut of doors etc What power line voltage is used Ambient temperature F Relative humidity Other Any additional information If special modifications have been made by the user please describe Be sure to include your name and phone number on this service form Specifications are subject to change without notice All Keithley trademarks and trade names are the property of Keithley Instruments Inc All other trademarks and trade names are the property of their respective companies KEITHLEY A GREATER MEASURE O F CONFIDENCE Keithley Instruments Inc Corporate Headquarters 28775 Aurora Road Cleveland Ohio 44139 440 248 0400 Fax 440 248 6168 1 888 KEITHLEY 534 8453 www keithley com Belgium Sint Pieters Leeuw 02 363 00 40 Fax 02 363 00 64 wwwkeithley nl Italy Milano 02 48 39 16 01 Fax 02 48 39 16 28 wwwkeithley it China Beijing 8610 82251886 Fax 8610 82251892 wwwkeithley com cn Japan Tokyo 81 3 5733 7555 Fax 81 3 5733 7556 wwwkeithley jp Finland Helsinki e 09 5306 6560 Fax 09 5306 6565 www keithley com Korea Seoul 82 2 574 7778 Fax 82 2 574 7838 wwwkeithley com France Saint Aubin 01 64 53 20 20 Fax 01 60 11 77 26 e wwwkeithley fr Netherlands Gorinchem 0183 635333 Fax 0183 630821 wwweithley nl Germany Germering 089 84 93 07 40 Fax 089 84 93 07 34 wwwkeithley de Singapore Singapore 65 6747 9077 e Fax 65 6747 2991
102. vel parameters to the voltage value that you want to output Then call the EnableSourceOutput to switch the channels on Alternatively use the KE4500_VForceIMeas to output a voltage If you are trying to bias a fixed voltage as part of a sweep the initial parameter value will be output when the EnableSourceOutput function is called to switch the channel s on The level parameter value will be output immediately after an initiate is sent After the sweep is complete the final parameter value will be output If you do not require the initial and or final values during a sweep operation then set them either to 0 or the same value as the level parameter KE4500_ConfigVSourceReadback Purpose Description Configures channel s to measure back the voltage being sourced on the V Source of a channel Configure the readback of the voltage being sourced on the V Source of a channel There is the option of reading back the actual voltage being output or the calculated voltage The real readback has the option of auto zero on every reading only on first reading or never KE4500_CreateChannelGroup Purpose Description Creates a group of channel s for the test Groups channels together for subsequent configuration and control This grouping allocates resources and marks the channels in use so that these channels cannot be used in another group This command returns a group handle which is required for all channel based commands such a

4510-QIVC and 4511-QIVC Quad IV Cards User`s Manual

Contents

Download Pdf Manuals

Related Search

Related Contents