Home

Manual - Test Equipment Depot

1. seessss 7 5 Save the present state of the instrument 7 5 LabVIEW driver for the Model 707B or 708B About this section The intent of this section is to troubleshoot the most common problems encountered with the Models 707B and 708B For additional troubleshooting information please see the Troubleshooting section in the Models 707B and 708B Reference Manual Need different line frequency or voltage need to use 707B or 708B at a different line frequency or voltage What do need to do The Model 707B or 708B only supports a line frequency of 50 60 Hz The line frequency is automatically sensed and no user action is needed Model 4200 SCS does not recognize switch matrix The Model 4200 SCS does not recognize the Model 707B or 708B What do I do To work with the Model 4200 SCS you must have DDC compatibility mode enabled and must communicate through the GPIB Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 7 Troubleshooting FAQs Models 707B and 708B Switching Matrix User s Manual 7 2 You can select one of two options when enabling Model 707A or 708A DDC compatibility mode e 70xA VERSION This option most closely matches Model 707A or 708A operation Use this version if you are transferring applications directly from a Model 707A or 708A with few changes e 70xB VERSION This options provides enhanced operation inclu
2. ssssssssssss 6 1 Logical block diagram of test connections 6 2 Example 1 Individual commands for switch measure 6 3 Example 2 Digital I O triggering for switch measure Syne MONZAN 5 st iterare cep tust soe mn d DOS iO S 6 5 About the Series 2400 examples This section provides examples that demonstrate the basic interaction of the Model 707B or 708B with a Model 2400 SourceMeter Instrument One of the examples also shows how to use digital I O triggering to synchronize source and measure actions between the Model 707B or 708B and the SourceMeter instrument The concepts in these examples can be applied when using the Model 707B or 708B with other SCPI based instruments TSB Embedded cannot be used to program the Model 2400 SourceMeter Instrument it cannot be used for these examples Equipment required to run the examples To run this test you will need the following equipment e Six diodes with triaxial connections e One Model 707B or 708B e One switch matrix card Model 7174A 7072 or 7072 HV You can also use the Model 7173 50 if you convert the connection to coaxial instead of triaxial e One Model 2400 SourceMeter instrument or equivalent source measurement unit SMU e Example 2 only One Model 2600 TLINK trigger link to digital I O cable assembly e Two Model 237 BAN 3A banana jack to triaxial cable assemblies Connect the equipment To run the test make the connections as shown in the fig
3. Configure sweep voltage measurements Enable voltage measurements during the sweep Set trigger count to the number of steps in the sweep Set arm count to six the total number of sweeps that will be run for all diodes Set TSP Link trigger lines 1 and 2 to send and receive falling edge trigger signals Clear any latched triggers on TSP Link trigger lines 1 and 2 Configure sweep to start when signal received on TSP Link line 1 Configure System SourceMeter to output trigger signal on TSP Link line 2 when sweep is complete This function sequences the crosspoint closures and triggering Call the function to configure the Switch storing the result in the variable xptTable Call function to configure the SMU and turn on its output Initiate the System SourceMeter so that it is ready to sweep once a trigger signal is received the output turns on but no power is applied 707B 900 01 Rev A August 2010 5 15 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 5 Working with the Series 2600A Models 707B and 708B Switching Matrix User s Manual for i 1 table getn xptTable do if i 1 then triggered tsplink trigger 2 wait 3 if triggered true then channel exclusiveclose xptTable i tsplink trigger 1 assert else print Trigger not received end else channel exclusiveclose xptTable i tsplink trigger 1 assert
4. 707B or 708B channel exclusiveclose 1 2400 READ 707B or 708B channel exclusiveclose 1 2400 READ 707B or 708B channel exclusiveclose 1 2400 READ 2400 QUTP STAT OFF 707B or 708B channel open allslots A01 A03 A05 A07 A09 A11 1 1B04 1B06 1B08 1B10 1B02 B12 Notes and comments Turn on the output of the SourceMeter instrument Connect first diode Initiate sweep and return data Connect second diode Initiate sweep and return data Connect third diode Initiate sweep and return data Connect fourth diode Initiate sweep and return data Connect fifth diode Initiate sweep and return data Connect sixth diode Initiate sweep and return data Turn off the output of the SourceMeter instrument Open all crosspoints Example 2 Digital I O triggering for switch measure synchronization In this example you will configure both the Model 707B or 708B and the SourceMeter instrument to wait for and send digital trigger signals after each performs the requested switch closure or measure action Example program code for the Model 2400 NOTE TSB and TSB Embedded cannot be used to control the Model 2400 SourceMeter You are expected to send commands to the Model 2400 using a separate application development environment such as Microsoft Visual Studio or National Instruments Labview Send the following commands to configure the Model 24
5. Slot information Lan status DISPLAY CONFIG Display Navigation Change scan wheel Instrument Change and channel attributes power button screah display Model 708B front panel The front panel of the Model 708B is shown below 2 2 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Models 707B and 708B Switching Matrix User s Manual Section 2 Using the front panel interface Figure 2 Model 708B front panel 708B SWITCHING MATRIX Display Change Change scan Navigation Instrument screen and channel wheel power button displays attributes Keys and navigation wheel The keys and navigation wheel G on the front panel allow you to turn on set up and operate the instrument from the front panel The POWER key Press this key to turn the instrument on Press it again to turn the instrument off 0 Navigation wheel Turn the navigation wheel o to scroll to a menu option or to change the selected value Push the navigation wheel to open menus or to select a menu option or a value In most cases pressing the navigation wheel performs the same action as pressing the ENTER key On the Model 707B you can use the navigation wheel to control which slot is displayed on the crosspoint display To change a value with multiple characters 1 Turn the navigation wheel to go to the character you want to change t
6. node 2 smua nvbufferl readings readings is a buffer attribute 5 16 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Models 707B and 708B Switching Matrix User s Manual Section 5 Working with the Series 2600A Example 4 Using the scanning and triggering model This example demonstrates how to use the scanning and triggering model of the Model 707B or 708B to maximize the speed of the test by preconfiguring the sequence of crosspoints used This example uses a TSP script to configure the instruments for testing Once the instruments are configured the Model 707B or 708B internally manages all close and open actions as well as any triggering signals to interface with the System SourceMeter instrument No separate script is required to sequence these actions As with the previous examples a full l V sweep is performed on each of the six diodes Data from these tests is available from the System SourceMeter instrument after all tests have been completed Set up communication In this example in addition to the TSP Link interface serving as a communication bus it will also serve as triggering bus to enable hardware handshaking between the System SourceMeter instrument and Model 707B or 708B The communication setup is identical to the setup in Example 2 see Set up communication on page 5 8 There are three digital lines in the TSP
7. Create a function to configure the System SourceMeter instrument Reset the instrument Clear all errors and reset status bits Clear existing data from data buffer Set source function to current source Set source current range to 10 mA Set voltage measurement range to 6 V Set integration rate Enable buffer append mode Set voltage compliance during sweep Configure linear staircase sweep Enable the source action during the sweep 5 14 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Models 707B and 708B Switching Matrix User s Manual Section 5 Working with the Series 2600A node 2 smua trigger measure v node 2 smua nvbuffe sal node 2 smua trigger measure action node 2 smua ENABLE node 2 smua trigger count 11 node 2 smua trigger arm count 6 node 2 tsplink trigger 1 mode node 2 tsplink TRIG FALLING node 2 tsplink trigger 2 mode node 2 tsplink TRIG FALLING node 2 tsplink trigger 1 clear node 2 tsplink trigger 2 clear node 2 smua trigger arm stimulus node 2 tsplink trigger 1 EVENT ID node 2 tsplink trigger 2 stimulus node 2 smua trigger SWEEP COMPLETE EVENT ID end function runDiodeTest xptTable configSwitch configSMU node 2 smua source output 1 node 2 smua trigger initiate
8. in the Model 707B and 708B Reference Manual Follow the instructions under the heading LAN quick start An alternative to the LXI Discovery Tool is to follow the instructions below to connect to the instrument 1 Confirm the LAN light on the instrument is illuminated Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 3 Using the web interface Models 707B and 708B Switching Matrix User s Manual 2 Open an Internet browser such as Windows Internet Explorer v6 0 or higher only 3 In the Address box enter the IP address of the instrument to find the IP address from the front panel of the instrument select MENU gt LAN gt STATUS gt IP ADDRESS The home page of the instrument web interface is displayed Web interface home page The home page of the instrument web interface gives you basic information about the instrument including e The model serial number firmware revision raw socket and LXI information e Alistof slots and the switch cards installed in each slot e An ID button to help you locate the instrument Log in to the instrument The web interface has both interactive and read only pages These pages are always listed in the navigation panel on the left side of the web interface You can review information on any of the pages without logging in but to change information you must log in Pages that contain information you can change include a
9. options on the TSB Embedded page 3 Tocreate the example script enter the name column and row labels in the TSP Script box Figure 22 Enter script name TSP Script column snd row labels T T Export to PC import from PC Save Script View Script l emis n dens ls ail steals m eee apttd o M apta am ett 4 Enterthe code below in the box below the buttons channel setlabelrow 1A01 SMU1 channel setlabelrow 1B01 SMU2 channel setlabelrow 1C01 GNDU channel setlabelrow 1G01 CVUH channel setlabelrow 1H01 CVUL channel setlabelcolumn 1A01 DUT1 channel setlabelcolumn 1B02 DUT2 channel setlabelcolumn 1C03 DUT3 channel open allslots channel close SMU1 DUT3 3 12 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Models 707B and 708B Switching Matrix User s Manual Section 3 Using the web interface NOTE Commands and parameters for Models 707B and 708B are case sensitive It is important to type in the commands exactly as show to avoid any syntax and execution errors 5 Click Save Script The script is added to the User Scripts list Standard edit functions such as Copy Cut and Paste work within TSB Embedded Figure 23 Script added to User Scripts list User Scripts TP column and row lab TP TestScriptl 6 Torun the script sel
10. 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 3 Using the web interface Models 707B and 708B Switching Matrix User s Manual Figure 13 Web interface Cards page Slot 1 7072 7072 8x12 Semi Matrix 1811 p p d memme n n DO a s Open and close channels from the card pages You can open and close channels from the card pages in several ways The simplest method is to click a connection The channel changes state to open or closed When the channel is open the connection is a circle with an x in it Figure 14 Web interface open channel A When the channel is closed the connection is black Figure 15 Web interface closed channel 3 4 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Models 707B and 708B Switching Matrix User s Manual Section 3 Using the web interface To specify the type of close select a Channel Action Type from the box in the upper right before closing a channel The options are e Channel Close Close the selected channel without affecting the state of any other channels e Exclusive Slot Close Close the selected channel and open any closed channels in the same slot e Exclusive Close Close the selected channel and open any closed channels in the instrument the only closed channel is the selected channel You can open all channels in a slot by cli
11. EE 5 17 Example program code to run the testiin ee ieee Ae a 5 20 Using background scans for longer scan lists ssee e 5 21 Working with the Serms 280 Leo aedis reasaiud ek Er aaa ad ux n ku guard anal eu eant a E gau Ex 6 1 About the Seres 2400 examples o tele tue teo vesc a aito i RUD ehe qun 6 1 Equipment required to run the examples sssssssssssssseseeeneneeemeenen nnn 6 1 Connect the equipment diceret on tege Eee HEADER ii ene MEET EUREN Rd 6 1 Logical block diagram of test Connections oun coe ie uir ea cote E adn E eed Ee eein ctt Podio cix bud rN 6 2 Example 1 Individual commands for switch measure sss 6 3 Example program code for the Model 2400 ccccceceeeeeeececeeeeeeeeeaeeeceeeeeeecanaeeeeeseeeenanaees 6 3 Example program code for the Model 707B or 7O8B ence niintin 6 4 Example 2 Digital I O triggering for switch measure synchronization 6 5 ii 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Models 707B and 708B Switching Matrix User s Manual Table of Contents Example program code for the Model 2400 iiuiccctcei oc estoit eres oc tvi a E 6 5 Example program code for the Model 707B or 708B sssssssssssseeenenenee 6 6 Overview Obtubnibg Ye Test ciun ce ooo Ea oteashenatestezaand es ttesu vs bor eni
12. Link node 2 are sent over the TSP Link interface Figure 30 GPIB and TSP Link connections Model 707B or 708B System Switch TSP Link Node 1 TSP Link Series 2600A SMU TSP Link Node 2 To configure the TSP Link communication interface each instrument must have a unique TSP Link node number Configure the node number for the Model 707B or 708B to 1 and the SourceMeter Instrument to 2 To set the TSP Link node number using the front panel interface of either instrument 1 Press MENU 2 Select TSPLink 3 Select NODE 4 Use the navigation wheel to adjust the node number 5 Press ENTER to save the TSP Link node number On the Model 707B or 708B perform a TSP Link reset to alert the Model 707B or 708B to the presence of the SMU 1 Press MENU 2 Select TSPLink 3 Select RESET You can also perform a TSP Link reset from the remote command interface by sending tsplink reset to the Model 707B or 708B This command is also included in the example program code below for completion 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Models 707B and 708B Switching Matrix User s Manual Section 5 Working with the Series 2600A NOTE If error 1205 is generated during the TSP link reset ensure that the Model 2635 System SourceMeter instrument has a unique TSP Link node number Example program code The examp
13. Login button You must be logged in to complete the exercises in this section Once you have logged in to one page of the web interface you do not need to log in again unless you reload the page To log into the instrument 1 Open a page that contains a Login button such as one of the Cards pages Scan Builder or TSB Embedded 2 Click Login The login dialog box is displayed Figure 11 Log in Login Pattern t Channel Action Type j M were OY RE NOMEN NM ee S 3 2 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Models 707B and 708B Switching Matrix User s Manual Section 3 Using the web interface 3 Enter the password the default is admin Figure 12 Enter password Keithley Series 70xB Login Password eeesee I Login Cancel 4 Click Login NOTE The default password is admin If the password has been changed it is available from the front panel of the instrument Press MENU gt LAN gt STATUS gt PASSWORD Card pages The card pages are interactive pages where you can work with channels in each slot To open a card page on the left navigation click the slot number There is a specific page for each card installed in the mainframe This page displays a grid that shows the relay configuration of the switch card 707B 900 01 Rev A August 2010 3 3 Test Equipment Depot 800
14. System SourceMeter instrument through the TSP Link interface use the printbuf fer command to print the data to the computer communication interface An example is shown below Example Retrieve buffer data Code Notes and comments printbuffer 1 node 2 smua nvbufferl n node 2 smua nvbufferl readings Print all readings from the SMU data buffer Note that readings is a buffer attribute 707B 900 01 Rev A August 2010 5 11 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 5 Working with the Series 2600A Models 707B and 708B Switching Matrix User s Manual Example 3 Configure using TSP Link and interactive triggers This example uses a TSP script to configure and run the test The script includes two separate functions for configuring the Model 707B or 708B and System SourceMeter Instrument and a third function for running the test Configuration for both instruments is similar to examples 1 and 2 except that TSP Link trigger lines are used to coordinate the actions between the two instruments When the test is run the instruments assert trigger signals after completing their respective actions After connecting the diode the Model 707B or 708B sends a trigger signal to the System SourceMeter instrument The SMU then performs a single l V sweep on the diode and sends a trigger signal back to the Models 707B and 708B to indicate that the test is completed
15. Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Models 707B and 708B Switching Matrix User s Manual Section 6 Working with the Series 2400 Figure 32 Test system block diagram gt b 1 2 3 4 5 6 7 8 9 1011 12 2400 HI 2400 LO r o mim o o o Example 1 Individual commands for switch measure In this example individual commands are sent to the Model 707B or 708B and SourceMeter Instrument to perform switch closure and measure actions Example program code for the Model 2400 NOTE TSB and TSB Embedded cannot be used to control the Model 2400 SourceMeter instrument You are expected to send commands to the Model 2400 using a separate application development environment such as Microsoft Visual Studio or National Instruments LabVIEW Send the following commands to configure the Model 2400 SourceMeter Instrument 707B 900 01 Rev A August 2010 6 3 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 6 Working with the Series 2400 Models 707B and 708B Switching Matrix User s Manual Example program code for the Model 2400 SourceMeter Instrument Code Notes and comments RST Reset the instrument CLS Clear all errors and reset status bits FORM ELEM VOLT CURR Format return data string to return current and voltage values SOUR FUNC CURR Configure current source to perfor
16. below 5 12 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com M odels 707B and 708B Switching Matrix User s Manual Section 5 Working with the Series 2600A Figure 31 TSP Link interface Model 2635A System SourceMeter Model 707B or 708B System Switch Instrument TSP Link Interface Communication ines Trigger line 1 Perform l V sweep crosspoint Trigger line 2 Trigger line 3 Note Trigger line 3 is not used in the example Example program code In the following table all commands are sent from the computer to the Model 707B or 708B This example can be run using TSB Embedded The Model 707B or 708B sends all commands in the shaded rows to the System SourceMeter instrument through the TSP Link interface Commands in unshaded rows are executed by the Model 707B or 708B 5 13 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 5 Working with the Series 2600A Models 707B and 708B Switching Matrix User s Manual Code ma ma ma ma ma ma ma end node 2 node 2 node 2 node 2 node node 2 node 2 node 2 node 2 node 2 node 2 node 2 errorqueue cl trixC trixC Chane lt GF trixC trixC trixC trixC hannel hannel hannel hannel hannel hannel ha
17. by a channel specifier The specifier is used to identify channels for use with close and open operations scans and channel patterns using the front panel web or remote command interface A channel specifier is a four or five digit alphanumeric sequence The first digit is always the slot number of the card in the mainframe The remaining digits vary depending on the type of card Channel types The Models 707B and 708B support matrix cards The documentation for your specific card model lists the available channels Specify multiple channels using lists Lists build on the individual channel specifier 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Models 707B and 708B Switching Matrix User s Manual Section 2 Using the front panel interface Channel identifiers The channels on the matrix cards are referred to by their slot bank row and column numbers e Slot number The number of the slot in which the card is installed e Bank The bank number if used by your card See your card documentation e Row number The row number is either 1 to 8 or A to Z See your card documentation e Column number Always two digits For columns greater than 99 use A B C and so on to represent 10 11 12 the resulting counting sequence is 98 99 AO A1 A8 A9 BO B1 Matrix channel examples Reference Slot Bank Row Column 1A
18. by qualified personnel who recognize shock hazards and are familiar with the safety precautions required to avoid possible injury Read and follow all installation operation and maintenance information carefully before using the product Refer to the user documentation for complete product specifications If the product is used in a manner not specified the protection provided by the product warranty 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 ensuring 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 instrument They must be protected from electric shock and contact with hazardous live circuits Maintenance personnel perform routine procedures on the product to keep it operating properly for example setting the line voltage or replacing consumable materials Maintenance procedures are described in the user documentation 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 perform safe installations and repair products Only properly trained service personnel may perform installation and service proc
19. channels in the channel pattern Press OPEN e Close the channels in the channel pattern without affecting any other channels Press CLOSE e Close the channels in the channel pattern and open any other closed channels on the instrument Select PATT and select EXCLOSE Press ENTER to open or close the channels e Close the channels in the channel pattern and open any other closed channels on the slot Press PATT and select EXSLOTCLOSE Press ENTER to open or close the channels Set up row column and channel labels You can define labels for rows columns and channels Using labels is a more descriptive way to refer to switching paths than the default channel identifiers Labels must be unique they cannot have the same as the name of another row column channel or channel pattern Labels cannot contain spaces and they do not persist through a power cycle Channel labels can be up to 19 characters Row and columns labels can be up to 8 characters On the crosspoint display the first four characters of the label are displayed On the bottom display the full label is displayed You can only set labels for slots and channels that are installed in the instrument 707B 900 01 Rev A August 2010 2 13 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 2 Using the front panel interface Models 707B and 708B Switching Matrix User s Manual Exercise Create a row label for r
20. operation Use this version if you are updating existing applications To enable Model 707A or 708A DDC compatibility mode 1 From the front panel select MENU 2 Select DDC 3 Select ENABLE 4 Selectthe version 5 Press ENTER Cycle instrument power Review Using Model 707A and 708A compatibility mode in the Models 707B and 708B Reference Manual for additional information Also see Migrating from Models 707A and 708A Matrix Ready and External Trigger lines Does this model have Matrix Ready and External Trigger lines Yes these signals appear on the digital I O connector For information on the digital I O capabilities refer to Controlling digital I O lines in the Model 707B or 708B Reference Manual If you wish to use a Model 707B or 708B in an existing Model 707A or 708A application please refer to Using Model 707A or 708A compatibility mode in the Model 707B or 708B Reference Manual Switch matrix does not recognize my card The Model 707B or 708B does not recognize my switch card What do I do 707B 900 01 Rev A August 2010 7 3 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 7 Troubleshooting FAQs Models 707B and 708B Switching Matrix User s Manual Card is not correctly seated in the slot Check the seating of the card 1 Remove power from the instrument 2 Pull the card out of the slot 3 Carefully guide the card inside the rails
21. to store all STRAC FEED SENS 66 sets of readings generated for sweeps across all diodes RAC FEED CONT NEXT 4 d Example program code for the Model 707B or 708B The following code loads a script on the 70xB that contains two functions that e Setup the table of crosspoints to close e Execute the test 6 6 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Models 707B and 708B Switching Matrix User s Manual Section 6 Working with the Series 2400 Example program code for the Model 707B or 708B Code Notes and comments loadscript forScan This script creates two functions on the Model 707B or 708B to configure and run the test This script should be stored in the Model 707B or 708B Remember that loadscript and endscript commands are not necessary if this script is created in the instrument using TSB or TSB Embedded function setup70xChanList Create a function that sets up the Model 707B or 708B and the list of channels to be used in the test BSCE Reset the instrument and clear errors errorqueue clear Define and populate a table that holds the chanTable crosspoints to be used to connect the SMU to chanTable 1 1A01 1B02 the diodes under test also see notes below this T S example chanTable 2 1A03 1B05 chanTable 3 1A05 1B06 chanTable 4 1A07 1B08 chanTable 5 1A0
22. use the commands loadscript or loadandrunscript and endscript For information on using TSB Embedded see the help located on the instrument s web page Exercise Create and run a script with TSB Embedded This exercise script assigns row and column labels for the card installed in slot 1 It then commands the Model 707B or 708B to close a crosspoint specified by the row and column labels To create and run a script with TSB Embedded 1 From the navigation area on the left side of the web interface select TSB Embedded The TSB Embedded page is displayed 707B 900 01 Rev A August 2010 3 11 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 3 Using the web interface Models 707B and 708B Switching Matrix User s Manual Figure 21 Select TSB Embedded User Scripts WW asu Home Cards Siet 1 7072 Stet 27072 VU channelConfig channelCon fig Siet 37073 Sut 47173 Sut 7174 F configlsJUL F createAndbunscar Siet 6 7072 TF aataqueue add F aispiay getlast Scan Builder F eaoriginai W oventiogCreate TSB Embedded FF runccionchancie F iadeli set and c gi Unit F ianeis clear Console F iapeis tor qvg9 d Admin TP mz s6A LED Test gt LXI Home WF moss tan Test instrument Output P Contig Log Help FF nanuaifranple FF nanuaifranplel F originat TE onc 2 You must log in to the instrument to use TSB Embedded After logging in you can access the
23. 00 SourceMeter Instrument 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com 6 5 Section 6 Working with the Series 2400 Models 707B and 708B Switching Matrix User s Manual Example program code for the Model 2400 SourceMeter Instrument Code Notes and comments RST Reset the instrument CLS Clear all errors and reset status bits FORM ELEM VOLT CURR Format return data string to return current and voltage values SOUR FUNC CURR Configure current source to perform a linear sweep from 0 to SOUR CURR MODE SWE 10 mA in 1 mA steps SOUR CURR STAR 0 SOUR CURR STOP 10E 3 SOUR CURR STEP 1e 3 SOUR SWE SPAC LIN SENS VOLT PROT 10 Configure voltage limit SENS FUNC VOLT Configure the SMU to measure voltage SENS VOLT RANG 5 Set a fixed voltage range of 5 V SENS VOLT NPLC 1 Set integration rate to 1 PLC ARM DIR ACC Configure the SMU to trigger entire sweep on receipt of ARM SOUR TLINK hatdwate trigger on the TriggerLink connector ARM ILIN 1 Configure the SMU to receive a trigger on line 1 and to generate a trigger on line 2 ARM OLIN 2 ARM OUTP TEXIT Configure the counts of the trigger model so that the 11 point TRIG DIR ACC sweep is performed six times once for each diode TRIG SOUR IMM TRIG COUN 11 ARM COUN 6 zm d RAC POIN 66 Configure the nonvolatile data buffer of the SMU
24. 05 1 N A 1 05 1C05 1 N A 3 05 3C12 3 N A 3 12 Figure 6 Matrix card display showing channel identifier Matrix Card Slot 2 Row 1 Column 01 Status OPN Open CLS Closed s 00 09000 00 Q CM GE amp GE Selecting and closing a channel from the front panel NOJS For the Model 707B also see Selecting and closing channels using the crosspoint display on page 2 10 to select a channel using the crosspoint display 707B 900 01 Rev A August 2010 2 7 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 2 Using the front panel interface Models 707B and 708B Switching Matrix User s Manual A CAUTION Hot switching can dry weld reed relays such that they will always be on Hot switching is recommended only when external protection is provided You can perform operations on a single channel from the front panel To select a channel you use the navigation wheel Once a channel is selected it is the selected channel for front panel operation NOTE If labels are assigned to your rows and columns you will see those labels instead of the four digit channel specifiers referred to in the following text Exercise Select and close slot 1 row C column 7 crosspoint To select and close the crosspoint on slot 1 at row C and column 7 1 To change the present row press the navigation wheel The first two digits of the four digit channel specifie
25. 4 L LabVIEW drivers 1 2 M matrix card notation 2 7 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Index Models 707B and 708B Switching Matrix User s Manual N navigation wheel 2 3 P POWER switch 2 3 precautions 1 1 S safety precautions 1 1 T Test Script Builder 1 2 Index 2 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Warranty Keithley Instruments Inc warrants this product to be free from defects in material and workmanship for a period of one 1 year from date of shipment Keithley Instruments Inc warrants the following items for 90 days from the date of shipment probes cables software rechargeable batteries diskettes and documentation During the warranty period Keithley Instruments will at its option either repair or replace any product that proves to be defective To exercise this warranty write or call your local Keithley Instruments representative or contact Keithley Instruments 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 Limitati
26. 9 1B10 chanTable 6 1A11 1B12 Configure the digital I O trigger lines to respond digio TRIG FALLING to and generate falling edge triggers digio TRIG FALLING mode ws digio trigger 1 digio trigger 2 mode Clear any latched triggers digio trigger 1 clear y 99 digio trigger 2 clear Return the table as an output of the function return chanTable end 707B 900 01 Rev A August 2010 6 7 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 6 Working with the Series 2400 Models 707B and 708B Switching Matrix User s Manual 6 8 function run70xForScan cTable for i 1 table getn cTable do if i gt 1 then triggered digio trigger 2 wait 3 if triggered true then channel exclusiveclose cTable il waitcomplete digio trigger 1 assert else print Trigger not received end else channel exclusiveclose cTable i waitcomplete digio trigger 1 assert end end print done end endscript forScan crossptTable setup70xChanList This function sequences the crosspoint closures and hardware triggering A table of crosspoints to close must be input to this function The or loop iterates through the channel list and waits for a trigger on a digital I O line to occur before closing a channel The first channel of the list does not wait for a trigger After channel clos
27. DC mode disabled OFF the response to IDN is KEITHLEY INSTRUMENTS INC MODEL 707B serial gt firmware rev Add Model 707B or 708B to Model 4200 SCS To add the Model 707B or 708B to the Model 4200 SCS 1 Connect the Model 707B or 708B to the GPIB controller on the Model 4200 2 Ensure that the Model 707B or 708B has a GPIB address that is different than any other instrument connected to the Model 4200 SCS and is different than the controller s address On the Model 4200 open KCON In KCON open the Tools menu Select Add External Instrument Select Switch Matrix Select Model 707 707A Switching Matrix Note that the instrument is added to the Configuration Navigator In the KCON Workspace the Switch System Properties dialog box is displayed 8 Enter the appropriate GPIB Address for the Model 707B or 708B 9 Select an instrument connection scheme yD o 10 Select the switch cards that you have already installed in the Model 707B or 708B 11 From the Tools menu check the configuration by selecting Validate Configuration 4 2 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Models 707B and 708B Switching Matrix User s Manual Section 4 Working with the Model 4200 SCS 12 When the Model 4200 SCS finds the Model 707B or 708B a green check mark appears next to Verifying Keithley 707A Switching Matrix If there is an er
28. EE aee Sb grade iai 6 9 Example code to r rithe IgsL oie ire aeris iore rRmIPUPOIS imi ust udiM IM CAM A ILE 6 9 psc gg c C 7 1 Abou this Seco tone dieto end io Hi eon etu eR Lo dde Rp os T ER Eae dub Bux ud se ao 7 1 Need different line frequency or voltage 2 100 LEER eite oi Lbs depot eis 7 1 Model 4200 SCS does not recognize switch matrix sssessseeee 7 1 A model Software does not run on B models Pan ip eontra Peau ast esin o Pen REUS 7 3 Matrix Ready and Extemal Trigger lIN S tiie acon edt te tte tet ee cet Pe ttr tcn tte 7 3 Switch matrix does not recognize my card cecinere teneri orto Renton ie Y pe te pebeterl 7 3 Instrument s intemal web page is not accessible eeeeeeseeee sees 7 4 Error whem I try to close a cliannglisoei iei te RR MUERE MA Te NEM E ERU E a aces 7 5 Switch relay Si wl MOWCIOSS si esc imet EE MER ER HEP EM HEU EE 7 5 Save the present state of the instrument sssssssssssssssssseeenneeennne 7 5 LabVIEW driver for the Model 707B or f BB tere anin Aa Ea 7 6 Next St ps f 8 1 n i isien iaeiei sasssa e e aedes ioira ae aaiae eaii Index 1 707B 900 01 Rev A August 2010 iii Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 1 Introduction In this se
29. ESTO2 for the pattern name in the box at the top of the dialog box Click Snapshot A new pattern is created that contains the closed channels Figure 20 Channel pattern configuration dialog box M channel Pattern Configuration xi Channel Pattern Test1Pattern Test Pattern v Creste Snapshot Delte rp Attributes Channels Available Selected 1401 a 1401 1402 tie J 1C11 1403 1004 1404 1D10 1405 1406 i Actions Close Channel Close Exclusive Close Exclusive Slot Close Open Close Exercise Close channels in TEST02 from the web interface To close channels in channel pattern TESTO2 from the web interface 1 Click Pattern above the Channel Action Type box The Channel Pattern Configuration dialog box is displayed 2 Select TESTO02 from the list box at the top of the dialog box 3 Inthe Actions area select the type of close you want to perform 707B 900 01 Rev A August 2010 3 7 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com S ection 3 Using the web interface Models 707B and 708B Switching Matrix User s Manual Actions Close CQ Channel Close Exclusive Close C Exclusive Slot Close Open 4 Click Close to close the channels 5 When you are done acting on this channel pattern click Close at the bottom of the dialog box to exit To delete a channel pattern from the web interface 1 Select the nam
30. Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 3 Using the web interface Models 707B and 708B Switching Matrix User s Manual 3 Click Enter to send the command Figure 24 Enter command in Console box Console channe open alislots Enter Jew To open all channels enter channel open allslots in the Console box Click Enter to send the command To resend a command click the drop down arrow on the left side of the Console box Figure 25 Model 707B or 708B web interface console Console I a History int aemory available pr print memory available OU re erreewnware TSP print nemory available print memory used 89 51 98 86 99 94 TSP print nmenmory used 10 50 1 14 0 06 TSP gt More information about commands to control the instrument can be found in the Models 707B and 708B Reference Manual 3 14 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 4 Working with the Model 4200 SCS In this section imitgefelWIeifo a ER 4 1 Equipment required to run the example 4 1 Configure Model 707B or 708B for Model 4200 SCS 4 1 Add Model 707B or 708B to Model 4200 SCS 4 2 I uio IAS 4 3 Introduction You can connect the Model 4200 Semiconductor Characterization System to a Mod
31. Hardware handshaking continues in this fashion until all six diodes have been tested Data from the SMU is returned to the controlling computer at the end of all the tests A TSP script is a sequence of instrument commands and programming statements The Model 707B or 708B can store the TSP script for later use Using scripts allows the Model 707B or 708B to perform simple and complex tasks with less interaction with the remote interface controller the controlling computer For more information on using scripts please see Instrument Programming in the Models 707B and 708B Reference Manual Set up communication In this example in addition to the TSP Link interface serving as a communication bus it will also serve as triggering bus to enable hardware handshaking between the System SourceMeter instrument and Model 707B or 708B The communication setup is identical to the setup in Example 2 see Set up communication on page 5 8 There are three digital lines in the TSP Link cable that may be used for triggering This example uses trigger lines 1 and 2 The Model 707B or 708B outputs a trigger signal on TSP Link line 1 and waits for a trigger signal on TSP Link line 2 before proceeding with the next set of crosspoint closures The System SourceMeter instrument outputs a trigger signal on TSP Link line 2 after completing its test and waits for a trigger signal on TSP Link line 1 before testing The triggering setup is illustrated in the figure
32. Link cable that may be used for triggering This example uses trigger lines 1 and 2 The Model 707B or 708B outputs a trigger signal on TSP Link line 1 and waits for a trigger signal on TSP Link line 2 before proceeding with the next set of crosspoint closures The System SourceMeter instrument outputs a trigger signal on TSP Link line 2 after completing its test and waits for a trigger signal on TSP Link line 1 before testing The triggering setup is illustrated in the figure named TSP Link interface in Example 3 Configure using TSP Link and interactive triggers on page 5 12 Example program code In the following table all commands are sent from the computer to the Model 707B or 708B This example can be run using TSB Embedded The Model 707B or 708B sends all commands in the shaded rows to the System SourceMeter instrument through the TSP Link interface Commands in unshaded rows are executed by the Model 707B or 708B 707B 900 01 Rev A August 2010 5 17 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 5 Working with the Series 2600A Models 707B and 708B Switching Matrix User s Manual Example program code for the Model 707B or 708B Code Notes and comments loadscript diodeTest Create a script diodeTest to contain test configuration and execution instructions function configSwitch Create a function to configure the Model 707B or 708B tsplink rese
33. Test Equipment Depot Models 707B and 708B MO Switching Matrix User s Manual 707B 900 01 Rev A August 2010 KEITHLEY Models 707B and 708B Switching Matrix User s Manual 2010 Keithley Instruments Inc Cleveland Ohio U S A All rights reserved Any unauthorized reproduction photocopy or use the information herein in whole or in part without the prior written approval of Keithley Instruments Inc is strictly prohibited All Keithley Instruments product names are trademarks or registered trademarks of Keithley Instruments Inc Other brand names are trademarks or registered trademarks of their respective holders The Lua 5 0 software and associated documentation files are copyright 1994 2008 Tecgraf PUC Rio Terms of license for the Lua software and associated documentation can be accessed at the Lua licensing site http www lua org license html Document number 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com The following safety precautions should be observed before using this product and any associated instrumentation Although some instruments and accessories would normally be used with non hazardous voltages there are situations where hazardous conditions may be present This product is intended for use
34. apable 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 equipment may be impaired 11 07 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Do not exceed the maximum signal levels of the instruments and accessories as defined in the specifications and operating information and as shown on the instrument or test fixture panels or switching card When fuses are used in a product replace with the 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 If you are using a test fixture keep the lid closed while power is applied to the device under test Safe operation requires the use of a lid interlock Ifa screw is present connect it to safety earth ground using the wire recommended in the user documentation The AN symbol on an instrument means caution risk of danger The user should refer to the operating instructions located in the user documentation in all cases where the symbol is marked on the instrument The AN symbol on an instrument means caution risk of danger Use standard safety precautions to avoid personal contact with these voltages The symbol on an instrument shows that the surface may be hot Avoid personal c
35. bute to false using the web interface 1 Onthe Cards page right click the channel 2 Clear the Forbidden box 3 Click OK To set the forbidden attribute to false using remote commands Use the command channel setforbidden Switch relays will not close Why are the switch relays not closing Verify that the system power is sufficient to close the switch relays Check the front panel or script output for error that might have been returned from the operation Save the present state of the instrument How do save the present state of the instrument Use the Create Config Script option or the command createconfigscript See the Models 707B and 708B Reference Manual Save the present configuration 707B 900 01 Rev A August 2010 7 5 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 7 Troubleshooting FAQs Models 707B and 708B Switching Matrix User s Manual LabVIEW driver for the Model 707B or 708B Where do find the LabVIEW driver for the Model 707B or 708B The latest Labview driver is always available from the Keithley Instrument s support website http www keithley com support 7 6 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 8 Next steps This manual has prepared you to start using your new Model 707B or 708B for your real world applications Fo
36. cally When the computer and the Model 707B or 708B synchronize the green LED status light on the front panel of the instrument lights If you are using the manual configuration method over a corporate network verify that you have entered the IP address gateway and subnet mask provided by your network administrator If you are using the manual configuration method and a one to one connection with the computer verify that the subnet mask agrees with the computer s settings If the above suggestion do not work see Models 707B and 708B Reference Manual Communication interfaces 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Models 707B and 708B Switching Matrix User s Manual Section 7 Troubleshooting FAQs Error when try to close a channel The instrument generates an error when try to close a channel What do I do If the instrument generates Error 1115 Parameter error no forbidden channels accepted make sure that the channel specifier is valid For more information on channel specifiers see Channel identifiers on page 2 7 If the specifier is correct the channel s forbidden attribute may be set to true To close the specified channel the forbidden attribute must be set to false To set the forbidden attribute to false using the front panel 1 Press CONFIG then CHAN 2 Select FORBID 3 Select NO To set the forbidden attri
37. ce Manual Using the web interface section and the Advanced triggering topic for other options 3 10 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Models 707B and 708B Switching Matrix User s Manual Section 3 Using the web interface You can select the trigger to use to continue channel action for each scan The options to continue channel action are Immediate When immediate is selected the scan immediately steps to the next channel in the scan list This is the default setting Digital Input When selected you select a digital line 1 to 14 that is used to trigger the instrument to step to the next channel You can select falling or rising for the digital input Falling selects the falling edge trigger Rising selects the rising edge of the trigger Every N seconds This parameter adds a fixed delay between each channel The delay occurs before the next channel in the scan list is closed TSB Embedded TSB Embedded is an application that includes a command line interface that you can use to issue ICL commands It also offers script building functionality TSB Embedded resides in the instrument You can use TSB Embedded to run some of the application examples in Section 5 of this manual Working with the Series 2600A on page 5 1 Create a script using TSB Embedded NOTE If you are using TSB Embedded to create scripts you do not need to
38. ching matrix and include e Working with the Model 4200 SCS on page 4 1 Demonstrates how to connect the Keithley Instruments Model 4200 Semiconductor Characterization System to a Model 707B or 708B This enables the Model 4200 SCS to automate measurements to multiple devices for DC C V and pulsed l V characterization e Working with the Series 2600A on page 5 1 Demonstrates how to use the Model 707B or 708B with a Keithley Instruments Series 2600A System SourceMeter instrument to perform an l V Sweep across a diode e Working with the Series 2400 on page 6 1 Demonstrates the basic interaction of the Model 707B or 708B with a Keithley Instruments Model 2400 SourceMeter instrument including how to use digital I O triggering to synchronize source and measure actions between the Model 707B or 708B and the Model 2400 The concepts in these examples can be applied when used using the Model 707B or 708B with other SCPI based instruments Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 1 Introduction Models 707B and 708B Switching Matrix User s Manual CD ROM contents There are several CD ROMs that are included with your instrument which contain the following items e The Test Script Builder Software and the Model 707B or 708B TSB add in which is a software tool you can use to create modify debug and store test script processor TSP test scripts e Switching produc
39. cking Open Slot You can open all channels in the instrument by clicking Open All For more information on opening and closing channels see Working with channels in the Models 707B and 708B Reference Manual Exercise Close multiple channels using the web interface This exercise describes how to close channels and channel patterns using the web interface To close multiple channels using the web interface 1 The instrument home page is displayed From the navigation on the left select the slot that contains the channels you want to close Figure 16 Select the slot Keithley Series 70xB Home Cards Slot 1 7072 Instrument Model 7078 Slot tes Manufacturer Keithl Slot 3 7073 Serial Number 01234 Slot 4 7173 Slot 1 Slot 5 7174 Switch Cards Slot 2 Slot 3 Slot 6 7072 ic ali Firmware Revision 00 90 TSB Embedded TCP Raw Socket 5025 707B 900 01 Rev A August 2010 3 5 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 3 Using the web interface Models 707B and 708B Switching Matrix User s Manual 2 You must log into the instrument to work with the channels See Log in to the instrument on page 3 2 After logging in you can access the channel controls 3 To close channel 1A01 click the channel Figure 17 Close a channel o ai C H Left click to OPC LX LX E 4 To perform an exclusive close on channel 1A02 selec
40. could create an electric shock hazard that could result in severe injury or death Improper operation can also cause damage to the switching cards and external circuitry The control of multiple channels using channel patterns should be restricted to experienced test engineers who recognize the dangers associated with multiple channel closures 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Models 707B and 708B Switching Matrix User s Manual Section 2 Using the front panel interface You can close and open channel patterns the same way you do for individual channels When you request a close or open operation the Model 707B or 708B verifies that the channels exist for a pattern but does not verify that the switch path connection is correct You must ensure the requested operation is safe for a channel pattern and that a good connection will result for your application with the channel pattern Exercise Close channel pattern TEST01 from the front panel To close channel pattern TESTO1 from the front panel 1 Press the PATT key to display a channel pattern 2 Use the navigation wheel to select TESTO1 the channel pattern you want to close Model 707B only Note that when you select a pattern on the crosspoint display the lights for the channels included in the pattern are dimly lit 3 Perform any of the following actions e Open the
41. ction Introduction to this manual eene 1 1 Models 707B and 708B applications 1 1 CD ROM contents iisos eee pti b pati Era PR FREE EAR FERA DER PAR ER RA 1 2 Introduction to this manual The purpose of this manual is to provide detailed tutorials to help you achieve success with your Keithley Instruments Model 707B or 708B Semiconductor Switching Matrix The basics of the two simplest interfaces the front panel and the web interface are provided to familiarize you with the instrument The tutorials build upon one another so we recommend that you read this manual from Section 1 to the end of Section 3 Select and run all examples in Sections 4 5 and 6 that are relevant to your intended use and to the equipment you are using Some of the examples in this manual may use unfamiliar commands and concepts For detailed information about these refer to the Models 707B and 708B Reference Manual part number 707B 901 01 on the Product Information CD ROM that came with your instrument Models 707B and 708B applications Unlike a standalone instrument the Keithley Instruments Models 707B and 708B are switching systems that are used to intelligently connect other instruments to multiple devices This manual provides application examples that guide you through several common instrument to device switching scenarios These applications are presented after the summary information about the swit
42. der to run the scan Using the TSB Embedded page may not give you the expected results 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Models 707B and 708B Switching Matrix User s Manual Section 3 Using the web interface Create a scan list Before you can run a scan you must create a scan list A scan list is a set of steps that runs in order during a scan Each step contains a channel channels or channel patterns that you want to measure in that step Each step is acted on separately during the scan You can mix channel patterns and individual channels in a scan list Note that the steps are executed in the order in which they are added to the scan NOTE Before setting up a scan list make sure your channels and channel patterns are configured See Working with channels in the Models 707B and 708B Reference Manual for detail If you change the channel configurations or channel patterns after the scan list has been set up you may not see expected results If the change prevents the scan from functioning properly such as deleting something referenced by the scan an error message is logged Exercise Create a scan list from the web interface To create a scan list from the web interface In this exercise create a scan list containing channels 1A01 1B02 1C03 1D04 1E05 and pattern TEST01 From the left navigation of the web inte
43. ding error checking and more robust settling time operation Use this version if you are updating existing applications To enable Model 707A or 708A DDC compatibility mode From the front panel select MENU Select DDC Select ENABLE Select the version Press ENTER Cycle instrument power oom fF ON gt To enable GPIB communications From the front panel select MENU Select GPIB Select ENABLE Select ON 5 Cycle power to the instrument BeOS If DDC compatibility mode is selected and GPIB is enabled also verify that e The GPIB cable is connected to the instrument e The instrument has a unique GPIB address 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Models 707B and 708B Switching Matrix User s Manual Section 7 Troubleshooting FAQs A model software does not run on B models Software that used with my Model 707A or 708A does not run on the Model 707B or 708B What do do Verify that DDC compatibility mode is enabled You can select one of two options when enabling Model 707A or 708A DDC compatibility mode e 70xA VERSION This option most closely matches Model 707A or 708A operation Use this version if you are transferring applications directly from a Model 707A or 708A with few changes e 70xB VERSION This options provides enhanced operation including error checking and more robust settling time
44. e 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 a data acquisition board for installation into a computer should never require cleaning if handled according to instructions If the board becomes contaminated and operation is affected the board should be returned to the factory for proper cleaning servicing 11 07 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Table of Contents Inge m 1 1 JntroducBonmuto Ils miens oii Foe vibe SS E EDENDI ESSERE Oc bns x No Faye UR Fenda EUR EUR RS MR bx UNE 1 1 Models 707B and 708B applicatloris erc ee itetes Pret ee eetrtat teni Eee coepit ETS 1 1 CD ROM COMENTS estie dee apt tire Pep EREPER UNIS a UHR TE ORE aaa 1 2 Using the front panel interface uiui rer aatk tina a rex ku dna a Lex SK ER aa keV DIE dis 2 1 Introduction ciae aA S ERAS RES a E a MAR TN SA MINER ERRARE SM RIEAKT 2 1 Model 07 BTrontDshelis diede crebra a turp RB ERE UNUI NE MR RUPES Ud Eds 2 2 Model 7US8B front panel 5d esiaote ee Mitte p ipis aa A Up IE 2 2 Keys and navigation wheel irte dtt Re S PREHIR D Luis sa ab Dax INN ELM A 2 3 Navigation WINGS e 2 3 Front panel K
45. e of the pattern that you want to delete in the Channel Pattern Configuration dialog box 2 Click Delete 3 For more information about patterns including opening and closing the channels that are in patterns see Channel patterns on page 2 11 Scan Builder page 3 8 The Scan Builder page allows you to set up and run scans and triggers A scan is a series of steps that opens and closes switches sequentially for a selected group of channels During each step actions occur such as waiting for a trigger taking a measurement on an external instrument and completing a step count Scans automate actions that you want to perform consistently and repeatedly on a set of channels Triggers are events that prompt the instrument to move from one step to another in a scan Triggers can come from a variety of sources such as a key press digital input or expiration of a timer The sequence of actions and events that occur during the scan is called the trigger model described in Trigger model Scanning and triggering allow you to synchronize actions across channels You can set up a scan using the trigger model to precisely time and synchronize the Model 707B or 708B between channels and multiple instruments You can also use triggers without the triggering model to set up a scan to meet the needs of a specific application that does not fit the triggering model NOTE If you use Scan Builder to create a scan use the options in the Scan Buil
46. earing the scan list deletes all channels and channel patterns from the scan list To clear the scan list from the web interface 1 From the left navigation area of the web interface home page select Scan Builder 2 Click Scan Clear Set up simple triggers You can set up triggers to control your scan using the options on the Simple Triggers tab You can set e The event that starts the scan e The time interval between scans e The time interval between channels To see these options click the Simple Trigger tab in the top left corner of the Scan Builder page Trigger to start a scan You can choose the triggers that will be used to start the scan The options to start the scan are Immediate When Immediate is selected the scan starts as soon as you click Execute Background on the Build amp Run tab Select Immediate when you do not have trigger requirements to start the scan This is the default selection Digital Input When selected you select a digital line 1 to 14 that is used to start a scan You can select falling or rising for the digital input Falling selects the falling edge trigger Rising selects the rising edge of the trigger NOTE If Other is displayed in the mode list a different mode other than falling or rising is already selected Other is not a mode and cannot be selected It is only an indicator that the digital triggering is already set up for a different mode See the Models 707B and 708B Referen
47. ect the script in the User Scripts list and click Run 7 The Instrument Output box displays any error messages and output from the script Script management options Existing scripts are listed in the User Scripts box on the left side of the web interface To delete a script click the name of the script and click Delete The script is deleted from the User Scripts list and from the nonvolatile memory of the instrument To stop operation of a script click Abort Script To export the selected script to the computer click Export to PC Choose the directory where you want to save the script and click Save Scripts are saved to a file with the extension tsp TSP files are native to Test Script Builder or TSB Embedded but they can be opened and edited in any text editor To import scripts from the computer click Import to PC Select the directory that contains the file You can only import files with the extension tsp To clear the name box and the box that contains the script click Clear You can type the name of a script in the TSP Script box and click View Script to view the contents of the script Exercise Use the command line to close and open channels Use the command line interface to perform close and open operations on channels 1 To send a single command to the instrument you can enter it in the Console box 2 Toclose channel 1B02 enter channel close 1B02 in the Console box 707B 900 01 Rev A August 2010 3 13 Test
48. ed Initiate the System Switch to start a foreground scan Waits until Model waitcomplete 2635A finishes all measurements Remote operation pauses until all six tests are complete For other options on running a scan see the box Using background scans for longer scans node 2 smua source output 1 scan execute node 2 smua source output 0 Turn off the SMU output channel open allslots Open all crosspoints end Ends the runDiodeTest function endscript Ends the diodeTest script Example program code to run the test The example program code stores the program in the instrument for later use To run the program send the following commands to the Model 707B or 708B Example program code to run the test Code Notes and comments diodeTest Run the script to define the functions runDiodeTest Execute the test by calling the function that configures the instruments and sequences their actions To retrieve data from the System SourceMeter instrument through TSP Link use the printbuffer command to print the data to the computer communication interface An example is shown below Example Retrieve buffer data Code Notes and comments printbuffer 1 node 2 smua nvbufferl n Print all readings from the SMU data buffer Note that node 2 smua nvbufferl readings readings is a buffer attribute 5 20 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washi
49. edures Keithley Instruments products are designed for use with electrical signals that are rated Measurement Category and Measurement Category ll as described in the International Electrotechnical Commission IEC Standard IEC 60664 Most measurement control and data I O signals are Measurement Category and must not be directly connected 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 sources unless otherwise marked or described in the user documentation Exercise extreme caution when a shock hazard is present Lethal voltage may be present on cable connector jacks or test fixtures 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 expect 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 prevented access and or insulated from every connection point In some cases connections must be exposed to potential human contact Product operators in these circumstances must be trained to protect themselves from the risk o
50. el 707B or 708B This enables the Model 4200 SCS to automate measurements to multiple devices for DC CV and pulsed l V characterization This section describes e How to configure the Model 707B or 708B for use with the Model 4200 SCS e How to add the Model 707B or 708B to a Model 4200 SCS e Where to look for more information Equipment required to run the example To run this test you will need the following equipment e One Model 4200 SCS instrument e GPIB cable to connect the Model 707B or 708B to the Model 4200 e Model 707B or 708B and associated switch cards Configure Model 707B or 708B for Model 4200 SCS To use the Model 707B or 708B with the Model 4200 SCS first configure the Model 707B or 708B to use compatible Model 707A commands 1 Press MENU 2 Select DDC Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 4 Working with the Model 4200 SCS Models 707B and 708B Switching Matrix User s Manual 3 Select ENABLE 4 Select 70xA VERSION The instrument displays the message Must Power Cycle for DDC to enable Figure 26 Front panel DDC enable menu 5 Press ENTER 6 Cycle power to the instrument NOTE When DDC mode is enabled 70xA VERSION OR 70xB VERSION the Model 707B or 708B sends a different identification string in response to the IDN query With DDC mode enabled the response of the 707B to IDN is 707A03 With D
51. el of the Model 707B or 708B Example 4 shows you how to use the scanning and triggering model of the Model 707B or 708B with the SourceMeter instrument This example e Can be run using TSB Embedded e Demonstrates how to create load and execute a TSP script that includes functions and how to use those functions to run the test e Demonstrates the benefit of using TSP scripts to run the test independently of computer control after initiating a test to run e Uses the TSP Link interface for communication and interactive hardware triggering e Demonstrates how to use the scanning and triggering model to achieve hardware synchronization during a test e llustrates the speed advantage of preconfiguring the sequence of crosspoints used during the test e Includes instructions on how to create a scan list how to execute a foreground scan how to configure the trigger model to automatically wait for and assert trigger signals Equipment required to run the examples To run this test you will need the following equipment e Sixdiodes with triaxial connections e One Model 707B or 708B e One switch matrix card Model 7174A 7072 or 7072 HV You can also use the Model 7173 50 if you convert the connection to coaxial instead of triaxial e One Model 2635A SourceMeter Instrument or equivalent source measurement unit SMU You can use the Models 2601A and 2611A SourceMeter instruments if an adaptation is made from the screw terminal
52. end end waitcomplete node 2 smua source output 0 channel open allslots print done The for loop iterates through the channel list waiting three seconds for a trigger on TSP Link line 2 before closing a channel The first channel of the list does not wait for a trigger After channel closure is complete an output trigger is asserted on TSP Link line 1 After all switch and measure actions have completed turn off the SMU output open all crosspoints and print done the computer controller can query for done to determine when the test is complete end Ends the function runDiodeTest endscript Ends the script diodeTest Example program code to run the test The example program code stores the program in the instrument for later use To run the program send the following commands to the Model 707B or 708B Example program code to run the test Code Notes and comments diodeTest Run the script to define the functions runDiodeTest Execute the test by calling the function that configures the instruments and sequences their actions To retrieve data from the System SourceMeter instrument through TSP Link use the printbuffer command to print the data to the computer communication interface An example is shown below Example Retrieve buffer data Code Notes and comments printbuffer 1 node 2 smua nvbufferl n Print all readings from the SMU data buffer Note that
53. ep through the list Each press is one scan step See Working with scan lists from the front panel OPEN Opens the selected channel or channel pattern CLOSE Closes the selected channel or channel pattern LOAD Loads code or scripts that can be run from the front panel RUN Runs the last code or script selected through the LOAD key INS Appends the selected channel or channel pattern to the scan list DEL Deletes the first occurrence of the selected channel or channel pattern from the scan list The bottom row of keys allow you access menus and set up channels patterns cards scans triggers and general instrument operation Figure 4 Bottom row of keys 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Models 707B and 708B Switching Matrix User s Manual Section 2 Using the front panel interface Key descriptions Key Description pum If a channel is displayed opens the Channel Action Menu options which allows you to open and close channels If a pattern is displayed pressing CHAN switches to channel view PATT If a pattern is displayed opens the Pattern Action Menu options which allows you to manage patterns open and close patterns and reset them If a channel is displayed pressing PATT changes to display a pattern Displays information about the installed cards and the instrument In
54. equired to run the examples 5 2 Connect the equipment sssssssssssss 5 2 Logical block diagram of test connections 5 3 Example 1 Control with separate interfaces 5 4 Example 2 Using TSP Link to configure instruments 5 7 Example 3 Configure using TSP Link and interactive NMI OMS fe a E A E ONE 5 12 Example 4 Using the scanning and triggering model5 17 About the Series 2600A examples This section shows you how to use the Model 707B or 708B with a Series 2600A System SourceMeter instrument to perform an l V sweep across a diode In each example the Model 707B or 708B connects a diode across the output of SMUA of the Series 2600A SourceMeter Instrument SMU The SMU then performs an I V sweep across the diode There are four examples in this section progressing from using direct control over the remote communication interface to automating the sweep using the scan and trigger model Example 1 shows you how to control the Series 2600A and Model 707B or 708B instruments using direct control over the remote communication interface This example e Demonstrates how to use the PC to send commands to each instrument separately and cannot be run using TSB Embedded It requires a separate application development environment e Requires two communication identifiers such as the GPIB address or LAN IP address One is required for the Model 707B or 708B and the other for t
55. eys iie oe IS eerie Re Ee on bel eee ee LLLI eae 2 4 IB Vhs 0 Fo mE 2 5 Ghannel idemificaobi uere esi Din pee ni Erde b en aa E a E 2 6 Selecting and closing a channel from the front panel 2 7 Exercise Select and close slot 1 row C column 7 crosspoinh c ccccccseeeeeeeceeeeeeeeneneeees 2 8 Crosspoint display Model 707B bnly date teal deitatis 2 9 Selecting and closing channels using the crosspoint display eene 2 10 Viewing the close or open status of a channel e e eed 2 11 Channel Patterns issenensis aa Ted E nines sigagaseute Me EIER AR DITE EREN Qi 2 RE DDR E Rb 2 11 Create achannel Patern 2 12 Performing close and open operations on channel patterns ssssssssssssssss 2 12 Set up row column and channel labels 2 teet breit cn 2 13 Exercise Create a row label for row D using the front panel seeeee 2 14 Using the web Iterfabcess sesion bani ip BI RE KD HELEER REED RARO EK OON EDU DL ER AE NIU i 3 1 elinore Ute tel EE 3 1 Connect tothe instrument web interface ci iisisisicehavidiennduerenaiennWaehinidienngadindtianens 3 1 Web interlace home Pade ricer E 3 2 LOGO Ho nori ME E T E DL 2 2 1o D m m 3 2 leere 3 3 Open and close channels from the card pages sssssssssssseseseeseeerereten enne 3 4 Set up channel patterns from the web interface icis cii
56. f electric shock If the circuit is capable of operating at or above 1000V 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 connecting sources to switching cards install protective devices to limit fault current and voltage to the card Before operating an instrument ensure that the line cord is connected 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 disconnect device must be provided in close proximity to the equipment 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 jumpers 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 common side of the circuit under test or power line earth ground Always make measurements with dry hands while standing on a dry insulated surface c
57. formation includes the firmware revision model name and model number Opens the Scan Action Menu options which allows you to run manage view and reset scan lists See Scanning and triggering Generates a trigger that can be used in a script or the trigger model See Scanning and triggering Opens the Main Menu options which allows you to manage scripts manage communications select channel connections test the keys test the display manage digital I O settings set up the beeper and display instrument information EXIT This key e Cancels the current selection and returns to the previous menu item e Exit remote operation so you can control the instrument from the front panel e Aborts a scan that is running e Aborts a script that is executing ENTER Accepts the current selection or brings up the next menu option In most cases pressing ENTER is the same as pressing the navigation wheel LAN status light The LAN Status light is lit when the instrument is connected through the local area network LAN with no errors If this is not lit the instrument is not connected through the LAN or there is a connection problem If you are using the web interface the LAN Status light blinks when you click ID See the LAN communication interface topic in the Models 707B and 708B Reference Manual for more information Display NOTE This section describes the fro
58. he Series 2600A e Does not require TSP Link e Does not use hardware triggering or the scanning and triggering model of the Model 707B or 708B Example 2 shows you how to use TSP Link to configure the Series 2600A and Model 707B or 708B instruments This example e Can be run using TSB Embedded e Demonstrates how to configure the TSP Link interface for communication between the instruments e Requires unique TSP Link node numbers for each instrument e Demonstrates the benefit of using the TSP Link interface to send commands to another instrument e Does not require hardware triggering or the scanning and triggering model of the Model 707B or 708B Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 5 Working with the Series 2600A Models 707B and 708B Switching Matrix User s Manual Example 3 shows you how to use the TSP Link interface and interactive triggering with Series 2600A and Model 707B or 708B instruments This example e Can be run using TSB Embedded e Demonstrates how to create load and execute a TSP script that includes functions e Demonstrates how to use the functions in the script to run the test e Demonstrates the benefit of using TSP scripts to run the test independently of computer control after initiating a test to run e Uses the TSP Link interface for communication and interactive hardware triggering e Does not use the scanning and triggering mod
59. he character blinks when selected 2 Press the navigation wheel to edit that character 3 Turn the navigation wheel to change the value Press the navigation wheel O to keep the change Repeat these steps as needed to change the value 6 Press the ENTER key or the navigation wheel when finished changing all the characters 707B 900 01 Rev A August 2010 2 3 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com S ection 2 Using the front panel interface Models 707B and 708B Switching Matrix User s Manual Front panel keys The DISPLAY key cycles between three screens The channel display or pattern display the closed channel list and the user screen text which is set with display settext When the closed channel listing is displayed if the list of channels is longer than one screen you can use the navigation wheel to scroll though the list of closed channels The CONFIG key accesses attribute menus in which you can configure channels and scans CONFIG and then CHAN opens the Channel Attribute Menu CONFIG and then SCAN opens the Scan Attribute Menu The top row of keys under the display allows you to open and close channels work with scan lists and load and run scripts Figure 3 Models 707B and 708B top row of keys Key descriptions Key Description OPEN ALL Opens all closed channels STEP If a scan list has been defined press STEP to st
60. igger arm count 6 of sweeps that will be run for all diodes node 2 tsplink trigger 1 mode Set TSP Link trigger lines 1 and 2 to node 2 tsplink TRIG FALLING ee receive falling edge trigger i node 2 tsplink trigger 2 mode node 2 tsplink TRIG FALLING node 2 tsplink trigger 1 clear Clear any latched triggers on node 2 tsplink trigger 2 clear TSP Link trigger lines 1 and 2 node 2 smua trigger arm stimulus Configure sweep to start when signal node 2 tsplink trigger 1 EVENT ID received on TSP Link line 1 node 2 tsplink trigger 2 stimulus Configure System SourceMeter to node 2 smua trigger SWEEP COMPLETE EVENT ID output trigger signal on TSP Link line 2 when sweep is complete end End of the function Config SMU 707B 900 01 Rev A August 2010 5 19 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 5 Working with the Series 2600A Models 707B and 708B Switching Matrix User s Manual function runDiodeTest This function sequences the crosspoint closures and triggering configSwitch Call function to configure the Model 707B or 708B configSMU Call function that configures the System SourceMeter instrument and turns on its output Initiate the System SourceMeter so node 2 smua trigger initiate that it is ready to sweep once a trigger signal is received Note that the output turns on but no power is appli
61. ix User s Manual Section 5 Working with the Series 2600A Example program code to run the test Code node 2 smua source output 1 channel exclusiveclose matrixChannels 1 node 2 smua trigger initiate waitcomplete channel exclusiveclose matrixChannels 2 node 2 smua trigger initiate waitcomplete channel exclusiveclose matrixChannels 3 node 2 smua trigger initiate waitcomplete channel exclusiveclose matrixChannels 4 node 2 smua trigger initiate waitcomplete channel exclusiveclose matrixChannels 5 node 2 smua trigger initiate waitcomplete channel exclusiveclose matrixChannels 6 node 2 smua trigger initiate waitcomplete smua source output 0 channel open allslots Notes and comments Turn on the output of the Model 2635A Connect first diode Initiate sweep Both instruments wait until sweep is complete Connect second diode Initiate sweep Both instruments wait until sweep is complete Connect third diode Initiate sweep Both instruments wait until sweep is complete Connect fourth diode Initiate sweep Both instruments wait until sweep is complete Connect fifth diode Initiate sweep Both instruments wait until sweep is complete Connect sixth diode Initiate sweep Both instruments wait until the sweep is complete The SMU output is turned off Open all crosspoints To retrieve data from the
62. le code to configure the Model 707B or 708B and System SourceMeter Instrument shown below is identical to the code used in Example 1 However in this example all commands are sent to the Model 707B or 708B This example can be run using TSB Embedded Commands for the Model 2635 System SourceMeter have the TSP Link node number appended to the beginning of the command node 2 In the following table the Model 707B or 708B sends the commands in the shaded rows to the System SourceMeter instrument through the TSP Link interface Commands in unshaded rows are executed by the Model 707B or 708B 707B 900 01 Rev A August 2010 5 9 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 5 Working with the Series 2600A Models 707B and 708B Switching Matrix User s Manual Example program code for the Model 707B or 708B Code tsplink reset localnode reset errorqueue clear matrixChannels matrixChannels 1 1A01 1B02 matrixChannels 2 1A03 1B04 matrixChannels 3 1A05 1B06 matrixChannels 4 1A07 1B08 matrixChannels 5 1A09 1B10 matrixChannels 6 1A11 1B12 node 2 reset node 2 errorqueue clear node 2 smua nvbufferl clear node 2 smua source func node 2 smua OUTPUT DCAMPS node 2 smua source rangei 0 01 node 2 smua measure rangev 6 node 2 smua measure nplc 1 node 2 smua nvbufferl appendmode 1 node 2 s
63. ley 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 GIR EAT EIR MEASURE Q F C0 NF TD EN CE Keithley Instruments Inc Corporate Headquarters 28775 Aurora Road Cleveland Ohio 44139 440 248 0400 Fax 440 248 6168 1 888 KEITHLEY www keithley com 12 06 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com
64. m a linear sweep from 0 to SOUR CURR MODE SWE 10 mA in 1 mA steps SOUR CURR STAR 0 SOUR CURR STOP 10E 3 SOUR CURR STEP 1e 3 SOUR SWE SPAC LIN SENS VOLT PROT 10 Configure voltage limit SENS FUNC VOLT Configure SMU to measure voltage SENS VOLT RANG 5 Set a fixed voltage range of 5 V SENS VOLT NPLC 1 Set integration rate to 1 PLC ARM COUN 1 Complete each sweep once TRIG COUN 11 Number of steps in sweep 11 Example program code for the Model 707B or 708B Send the following commands to configure the Model 707B or 708B Example program code for the Model 707B or 708B Code Notes and comments reset Reset the instrument to factory defaults errorqueue clear Clear all errors To run the test send the following commands to the corresponding instrument NOTE After each READ query to the Model 2400 you must retrieve the instrument s response If you do not retrieve the response the Model 2400 generates an error 6 4 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Models 707B and 708B Switching Matrix User s Manual Section 6 Working with the Series 2400 Example program code to run the test Model Code 2400 0OUTP STAT ON 707B or 708B channel exclusiveclose 1 2400 READ 707B or 708B channel exclusiveclose 1 2400 READ 707B or 708B channel exclusiveclose 1 2400 READ
65. mua trigger source limitv 10 node 2 smua trigger source lineari iL iil node 2 smua trigger source action node 2 smua ENABLE node 2 smua trigger measure v node 2 smua nvbuffer1 node 2 smua trigger measure action node 2 smua ENABLE node 2 smua trigger count 11 node 2 smua trigger arm count 1 Notes and comments Reset TSP Link Reset Model 707B or 708B Clear errors Define table that details crosspoints to close to connect each diode to the SMU Add entries to the table Reset the instrument Clear all errors and reset status bits Clear existing data from data buffer Set source function to current source Set source current range to 10 mA Set voltage measurement range to 6 V Set integration rate Enable buffer append mode Set the voltage compliance during the sweep Configure linear staircase sweep Enable the source action during the sweep Configure sweep voltage measurements Enable voltage measurements during the sweep Set trigger count to the number of steps in the sweep Set arm count to the number of sweeps to perform each time the sweep is initiated Example code to run the test To run the test send the following commands to the Model 707B or 708B 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Models 707B and 708B Switching Matr
66. netol Wiel ilo a ecc s 3 1 Connect to the instrument web interface 3 1 Web interface hom Bae iis pr Re tanta inea 3 2 Login to the IDSIFUETIBOT iscusi 3 2 Card Pages C 3 3 Scan Builder page iecore ico ee ira hte poe burn ige 3 8 TSB sisi rU 3 11 Introduction The Model 707B or 708B web interface allows you to review instrument status control the instrument and upgrade the instrument over a LAN connection The instrument web page resides in the firmware of the instrument Changes you make through the web interface are immediately made in the instrument Many examples in this manual and in the Model 707B and 708B Reference Manual can be run through the TSB Embedded page of the instrument web interface Connect to the instrument web interface The web interface requires the web browser plug in Sun Java Runtime Environment Version 6 or higher Installation files are available from http Awww java com en download manual jsp Installation files are also available on the Models 707B and 708B Product Information CD ROM that came with your instrument Install the J2SE software The ActiveX control and Java applets are installed from the instrument but depending on the browser security settings they may require the users permission to be downloaded and installed To connect to the instrument web interface you must have an LAN connection from the computer to the instrument See LAN communications
67. nfigure the System SourceMeter instrument 5 18 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Models 707B and 708B Switching Matrix User s Manual Section 5 Working with the Series 2600A node 2 reset Reset the instrument node 2 errorqueue clear Clear all errors and reset status bits Clear existing data from data buffer node 2 smua nvbufferl clear node 2 smua source func Set source function to current source node 2 smua OUTPUT DCAMPS Set source current range to 10 mA node 2 smua source rangei 0 01 node 2 smua measure rangev 6 Set voltage measurement range to 6v node 2 smua measure nplc 1 Set integration rate node 2 smua nvbufferl appendmode 1 Enable buffer append mode node 2 smua trigger source limitv 10 Set the voltage compliance during the sweep node 2 smua trigger source lineari 0 0 01 11 STG KIA LEER Sues Enable the source action during the node 2 smua trigger source action sweep node 2 smua ENABLE Configure sweep voltage node 2 smua trigger measure v node 2 smua nvbuf measurements fer1 Enable voltage measurements during the sweep node 2 smua trigger measure action node 2 smua ENABLE node 2 smua trigger count 11 Set trigger count to the number of steps in the sweep Set arm count to six the total number node 2 smua tr
68. ngton Street Melrose MA 02176 TestEquipmentDepot com Models 707B and 708B Switching Matrix User s Manual Section 5 Working with the Series 2600A Using background scans for longer scan lists Example 4 illustrates use of the scanning and triggering model to create a foreground scan While running a foreground scan you must wait for the scan to complete or you must abort the scan before you can query the instrument state or any reading buffers For a scan with a few channels or crosspoints in the scan list this might not be a problem However when there are many channels in the scan list or when scans are run over long time periods it can be useful to determine instrument state In these situations you can run a background scan A background scan allows you to query settings during a scan To change Example 4 from a foreground scan to a background scan you need to change one command in the runDiodeTest function Change scan execute to scan background You can then use the scan state command to query the status of the scan including the number of steps in the scan the number of steps performed and the number of entire scans performed The following table shows a revised example of the runDiodeTest function in Example 4 function runDiodeTest This function sequences the crosspoint closures and triggering configSwitch Call function to configure the Model 707B or 708B configSMU Call function that config
69. ni aa ieee eterne cans 3 6 CAM BUNGEE DaUG etucsaecetinn E E E E ia teile nire dad dh terere ended t utei 3 8 Gate S Can EET 3 9 qi SEA TREE EE DD EO T 3 9 SLOP UMS ce aee eR T aut negieueiaeties ont sdanctalaaber E E E 3 10 Clear the sean list from the web intelface uec totae eae ehe E ENE 3 10 SEL UP simple MQ Me S 3 10 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Table of Contents Models 707B and 708B Switching Matrix User s Manual ToB Embedded etes ern P UPPU Ed bo tunm stp add itm M S GUN MR UM Fu 3 11 Create asciptusing TSB Embedded su itti Ha a En tects Rap E AM cai eticseca as 3 11 Working with the Model 4200 8 B isiise eise rire rx inu uk hin rn ER ena na kx a i LE SS ee ix 4 1 Introd BOTI cou en a a iuo Sabre ON aada a a TuIT RN Re DUIS QI ARR REO rS DURO 4 1 Equipment required to run the example sss enne 4 1 Configure Model 707B or 708B for Model 4200 SC S ssssssssesssseeee 4 1 Add Model 707B or 708B to Model 4200 SCS ssssssssssssseseeeeeenen eene 4 2 Next STEPS ninni tea e E di bene Mo oc ute ns ant MIN uUa tu ME d ds inu e OIM 4 3 Working with the Series 200 uas cibis iuri x hrba kid dns Sn Eno Eob bak dna pape Ponba ar Ix d aiu Era vl k2 TA 5 1 About the Series 2600A examples tte rr atta e P ee eda eret aet c eu re a RA 5 1 Equipmentirequired to run the examples rto date cditiwdoarseadeeade
70. nnel tsplink trigger 1 mode tsplink trigger 2 mode grosset pie rata Ona smua Smua Smua Smua Smua Smua Smua Smua Smua Smua Example program code for the Model 707B or 708B loadscript diodeTest function configSwitch tsplink reset localnode reset tsplink trigger 1 clear tsplink trigger 2 clear return matrixChannels function configSMU ear s S 1 1A01 1B02 s 2 1A03 1B04 s 3 1A05 1B06 s 4 1A07 1B08 s 5 1A09 1B10 s 6 1A11 1B12 tsplink TRIG_FALLING tsplink TRIG_FALLING queue clear nvbufferl clear source func OUTPUT_DCAMPS source rangei 0 01 measure rangev 6 measure nplc 1 nvbufferl appendmode 1 iIoILe fear SOMIeOS ikim tva 110 iExeaLefofene Sommers Ilatioveeueal 0 01 LiL trigger source action node 2 smua ENABLE Notes and comments Create a script diodeTest to contain test configuration and execution instructions Create a function to configure the Model 707B or 708B Reset TSP Link Reset Model 707B or 708B Clear errors Define table that details crosspoints to close to connect each diode to the SMU Add entries to the table Set TSP Link lines 1 and 2 to send and receive falling edge triggers Clear any latched triggers on TSP Link trigger lines 1 and 2 Return the table as an output of the function
71. nt panel display of the Model 708B and the bottom display of the Model 707B 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 2 Using the front panel interface Models 707B and 708B Switching Matrix User s Manual 2 6 During operation the display provides information about the selected channel channel pattern channel state and errors You can press DISPLAY to cycle between the display of the channel or pattern the closed channel list or a screen message During setup the display shows menu choices that you can use to configure the instrument During operation the display shows the control status local or remote and the current channel and indicates if any channels are closed An example is shown below If REM is not displayed control is through the front panel The control status is shown in the upper left corner of the display If REM is displayed the instrument is being controlled remotely through GPIB LAN or USB If REM is not displayed control is through the front panel Figure 5 Display during operation Remote control Slot and row indicator Column Closed channels lt none gt if no channels are closed By default the top line of the display shows the slot row and column of the selected channel Channel identification The channels on the cards that you can use with the Model 707B or 708B are referred to
72. on of Warranty This warranty does not apply to defects resulting from product modification without Keithley Instruments 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 MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE THE REMEDIES PROVIDED 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 COST OF REMOVAL AND INSTALLATION LOSSES SUSTAINED AS THE RESULT OF INJURY TO ANY PERSON OR DAMAGE TO PROPERTY KEI THLEY A GREATER MEASURE OF CONFIDENCE Keithley Instruments Inc Corporate Headquarters 28775 Aurora Road Cleveland Ohio 44139 440 248 0400 Fax 440 248 6168 1 888 KEITHLEY 1 888 534 8453 www keithley com 11 07 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Specifications are subject to change without notice All Keith
73. ontact to prevent burns The ih If this 9 symbol is on a product it indicates that mercury is present in the display lamp Please note that the lamp must be properly disposed of according to federal state and local laws symbol indicates a connection terminal to the equipment frame The WARNING heading in the user documentation explains dangers that might result in personal injury or death Always read the associated information very carefully before performing the indicated procedure The CAUTION heading in the user documentation 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 Instruments 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 the original component note that selected 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 offic
74. ontains the selected channel Select CHAN and then select EXSLOTCLOSE Press ENTER to close the selected channels Viewing the close or open status of a channel Closed channels are shown separated by commas after the CLS characters on the display of the instrument If no channels are closed none is displayed here If the list of closed channels extends past one screen is displayed at the end of the line Press DISPLAY to display the full list of closed channels Use the navigation wheel to scroll through the list After viewing the list press DISPLAY twice to return to the main display Figure 10 Multiple closed channels Channel patterns You can use channel patterns as a convenient way to refer to a group of switching channels with a single alphanumeric name When you perform close or open operations on a channel pattern only the channels that are in the channel pattern are affected There is no speed advantage in performing close and open operations on channel patterns compared to performing the same operations on individual channels or a list of channels 707B 900 01 Rev A August 2010 2 11 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 2 Using the front panel interface Models 707B and 708B Switching Matrix User s Manual Create a channel pattern When you create a channel pattern make sure to e Include all of the channels that are needed for
75. ow D using the front panel To create a row label for row D using the front panel 1 6 T If a pattern name is currently displayed on the bottom display press CHAN to place the display in Channel view Use the navigation wheel to select any channel on row D For example select 1D01 Press CONFIG then press CHAN Use the navigation wheel G to select LABEL ROW to define a row label The label selections are defined as e LABEL Sets the label that is displayed on the front panel for the specified crosspoint e LABEL ROW Sets the label that is displayed on the front panel for the specified row e LABEL COL Sets the label that is displayed on the front panel for the specified column Change the row label to SMU1 using the navigation wheel to change each character Press the navigation wheel or ENTER to save the change Press EXIT to return to the main display The bottom display will now use SMU1 to refer to row D on slot 1 For example selecting crosspoint 1D03 prints SMU1 03 to the bottom display Additionally the crosspoint display on the Model 707B updates to use the new row label The exercise Create a script using TSB embedded shows setting up labels using the remote interface and TSB Embedded 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 3 Using the web interface In this section Ncli
76. owing commands to the corresponding instrument Example program code to run the test Model Code 2400 OUTP ON 2400 g IONIC 707B or 708B run70xForScan crossptTable 2400 TRAC DATA Notes and comments Turn on the output of the SourceMeter Instrument Initiate the sweep After processing this command the Model 2400 waits for a trigger from the Model 707B or 708B Call the function that executes the sequence of crosspoints and generates hardware trigger signals to trigger sweeps on the SMU After the test is complete send this command to retrieve the data from the Model 2400 Retrieve the data from the Model 2400 after sending TRAC DATA 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com 6 9 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 7 Troubleshooting FAQs In this section About this SECOM asuras 7 1 Need different line frequency or voltage Model 4200 SCS does not recognize switch matrix 7 1 A model software does not run on B models 7 3 Matrix Ready and External Trigger lines 7 3 Switch matrix does not recognize my card 7 3 Instrument s internal web page is not accessible 7 4 Error when try to close a channel 7 5 Switch relays will not close
77. r flash indicating edit mode Turn the navigation wheel C change the digit to 1C 2 3 Press the navigation wheel This accepts the row selection and selects edit mode for the column The last two digits of the channel specifier flash indicating edit mode 4 Turn the navigation wheel to change the digits to 07 5 Press the navigation wheel O or ENTER to accept the channel exit edit mode and return to the main display 6 To e Openthe channel Press OPEN e Close a channel without affecting any other channels Select CLOSE e Close a channel and open any other closed channels on the instrument Select CHAN and select EXCLOSE Press ENTER to close the selected channels e Close a channel and open any other closed channels on the slot that contains the selected channel Select CHAN and then select EXSLOTCLOSE Press ENTER to close the selected channels 2 8 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Models 707B and 708B Switching Matrix User s Manual Section 2 Using the front panel interface Crosspoint display Model 707B only The crosspoint display on the front panel of the Model 707B displays information about the slots that contain cards and the open and closed state of the channels for one card slot at a time If there are no cards in the instrument s slots the crosspoint display shows No card in unit Figure 7 Model 707B cros
78. r more detailed information about the Model 707B or 708B refer to the Keithley Instruments Models 707B and 708B Reference Manual part number 707B 901 01 If you are migrating from a Keithley Model 707A or 708A and wish to use the native commands for the Model 707B or 708B please refer to the Migrating from Models 707A and 708A topic in the Features and Functions section of the Model 707B or 708B Reference Manual If you would like to use existing software that ran with the Model 707A or 708A without modification please refer to Using Model 707A or 708A Compatibility Mode in the Model 707B or 708B Reference Manual Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com 2 2400 6 1 2600 5 1 4 4200 4 1 7 707B 708B Quick Start Guide 1 2 A applications 1 1 C CD ROM 1 2 channel designations 2 6 patterns 2 11 channel patterns 2 11 configuration CONFIG key 2 4 crosspoint 2 9 D Display DISPLAY key 2 4 Model 707B front panel 2 2 Model 708B front panel 2 2 Index documentation 1 2 F front panel display 2 4 2 5 2 9 interface 2 1 introduction 2 1 keys 2 3 2 4 Model 707B front panel 2 2 Model 708B front panel 2 2 H hot switching 1 1 l I O layer 1 2 IVI drivers 1 2 J J2SE Runtime Environment 1 2 K keys DISPLAY 2
79. rface home page select Scan Builder 2 Inthe Add Channel By list on the right select Number to add the channels Select the channel numbers 1A01 1B02 1C03 1D04 and 1E05 from the list You can use Ctrl click to select multiple channels and Shift click to select a range of channels To remove your selections from the Add Channel By list click Clear Channel Selection Click Add Step The channels are added to the Steps list In the Add Channel By list on the right select Pattern to add channel pattern TEST01 Select TEST01 from the Channel Pattern List Click Add Step The pattern is added to the Steps list In the Scan Count box enter the number of times you want to repeat the steps in the scan For example enter 5 Run the scan You can run a scan in one of several ways e Background Runs the scan in the background so that you can perform other tasks while the scan is running You can use the Query State to check scan status e Step by Step Steps through the scan 707B 900 01 Rev A August 2010 3 9 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 3 Using the web interface Models 707B and 708B Switching Matrix User s Manual To run the scan from the web interface Click Execute Background or Step by Step Stop the scan To stop the scan from the web interface On the Build amp Run tab click Abort Clear the scan list from the web interface Cl
80. ror a red X appears next to Verifying Keithley 707A Switching matrix An error description is provided Generally these errors are associated with an incorrect GPIB address 13 From the File menu save the current configuration by selecting Save Configuration You can now use the Model 707B or 708B with the Model 4200 SCS Next steps See the Model 4200 SCS Reference Manual Appendix B Using Switch Matrices Key Concepts section which includes e Switch matrix connection scheme settings for row column and instrument cards e Configuring switch card property configurations in KCON e Connecting the Model 4200 SCS instrument to the Model 707B or 708B e Accessing and using the user module library to control the switch matrix See Section 15 Multi Frequency C V measurements in the Model 4200 SCS Reference Manual which includes information on using the Model 4200 CVU card with a switch matrix To customize the switch user library of the Model 4200 SCS see the Models 707B and 708B Reference Manual Using Models 707A and 708A compatibility mode 707B 900 01 Rev A August 2010 4 3 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 5 Working with the Series 2600A In this section About the Series 2600A examples 5 1 Equipment r
81. s on the instrument to the triaxial connections on the switch card Connect the equipment The communication setup and hardware changes for each of the examples and is described at the beginning of each example However all of the examples use the same test equipment setup as shown in the following figure 5 2 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Models 707B and 708B Switching Matrix User s Manual Section 5 Working with the Series 2600A NOTE This figure shows connections to the Model 7072 8x12 Switch Card However you can make similar connections to the other switch cards listed for this example Figure 27 Connections to switching module Model 2635A WARMING 0 ren KEITHLEY QD CE MADE IN USA RSONHEL ONLY CHANNEL A IS l0 HI HI sSoweeMeter LINE FUSE LINE RATING SLOWBLOW 100 240VAC 3 164 250V 50 60Hz 240VA MAX 9 gum DIGITAL 0 mmm Model 7072 8x12 Switch Matrix Card IEEE 488 LAN Ed Q Mounting screw cE CAUTION Fon CONTINUED PROTECTION AGAINST FIFE HAZARD REPLACE FUSE WITH Columns Q r1 I zl Low current rows Model 7078 TRX DG Triax Cable Assembly Carrying AL I ajs E Setup Notes E 1 This drawing illustrates connections to the Model 7072 8x12 Switch Matrix Card Connections to other card
82. s supported by the cO j oe cv _ 70xB System Switch are similar FONS H 2 All triaxial connections for both the Sourcemeter instrument and the diodes are made to the center conductor pin of the triaxial G connector Mounting screw Logical block diagram of test connections The following figure shows the logical block diagram of the test connections 707B 900 01 Rev A August 2010 5 3 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 5 Working with the Series 2600A Models 707B and 708B Switching Matrix User s Manual Figure 28 Logical block diagram of test connections 2635A HI 2635A LO Example 1 Control with separate interfaces Controlling Series 2600A and Model 707B or 708B instruments using separate communication interfaces To run this test you create a table on the Model 707B or 708B that contains the crosspoints that are needed to connect the SMU to each diode under test one at a time The SMU then performs an I V Sweep on the diode Data from the SMU is returned to the controlling computer after all six diodes have been tested Set up communication The communication setup is illustrated in the diagram below GPIB is used as an example but this application can be run using any of the supported communication interfaces for the instruments Figure 29 GPIB communication se
83. spoint display SLOT 1 SLOT2 SLOT3 SLOT 4 SLOTS SLOT6 The crosspoint display has a list of slots on the right To the left of the slot list are lights that show you an overview of the cards in the instrument s slots Figure 8 Model 707B slot indicators Red lights are lit SLOT 1 if a channel is closed in that slot SLOT2 SLOT 3 Yellow lights are lit when SLOTA the slot contains a card The bright light shows SLOTS which slot is displayed SLOTS on the crosspoint display 707B 900 01 Rev A August 2010 2 9 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 2 Using the front panel interface Models 707B and 708B Switching Matrix User s Manual In the figure above there are cards in five slots no card in slot 5 and the channels for the card in slot 3 are displayed on the crosspoint display Also at least one channel is closed on the card in slot 2 Selecting and closing channels using the crosspoint display From the front panel you can change the display to show another card slot choose a specific channel and open and close channels For the Model 707B the crosspoint display shows you the status of the channels for one card at a time To display a different slot Turn the navigation wheel to the right to go to the next slot or to the left to go to the previous slot Exercise Select crosspoint on slot 2 row C column 3 To select
84. t Reset TSP Link localnode reset Reset Model 707B or 708B errorqueue clear Clear errors matrixChannels Define table that details crosspoints to close to connect each diode to the SMU matrixChannels 1 1A01 1B02 Add entries to the table matrixChannels 2 1A03 1B04 matrixChannels 3 1A05 1B06 matrixChannels 4 1A07 1B08 matrixChannels 5 1A09 1B10 matrixChannels 6 1A11 1B12 Use the values in the table to create a for i 1 6 do scan list scan addimagestep matrixChannels i end tsplink trigger 1 mode tsplink TRIG_FALLING Set TSP Link lines 1 and 2 to send tsplink trigger 2 mode tsplink TRIG_FALLING and receive falling edge triggers Clear any latched triggers on tsplink trigger 1 clear TSP Link trigger ies rd tsplink trigger 2 clear scan bypass scan ON Configure the scanning and triggering mode of Model 707B or 708B Bypass needed for trigger signal to start scan Arm scan immediately scan trigger arm stimulus 0 Trigger channel close action with scan trigger channel stimulus receipt of trigger on TSP Link line 2 tsplink trigger 2 EVENT ID Output trigger on TSP link line 1 after tsplink trigger 1 stimulus channel close action occurs scan trigger EVENT CHANNEL READY Loop through scan list once Scan scancount 1 end End of the configSwitch function function configSMU Create a function to co
85. t Exclusive Slot Close in the Channel Action Type box Figure 18 Select exclusive slot close Channel Action Type CO Channel Close CO Exclusive Close Exclusive Slot Close 5 Click 1A02 to close that channel and open all other channels Figure 19 Close a channel with exclusive close Set up channel patterns from the web interface You can use channel patterns as a convenient way to refer to a group of switching channels with a single alphanumeric name When you perform close or open operations on a channel pattern only the channels that are in the channel pattern are affected There is no speed advantage in performing close and open operations on channel patterns compared to performing the same operations on individual channels or a list of channels 3 6 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Models 707B and 708B Switching Matrix User s Manual Section 3 Using the web interface Exercise Create channel pattern TESTO2 using the Snapshot feature To create a channel pattern TEST02 from the web interface using the Snapshot feature 1 From the left navigation click slot 1 2 Close the channels that you want to include in the pattern For this example close channels 1D12 1C11 1B10 and 1A09 3 Click Pattern above the Channel Action Type box The Channel Pattern Configuration dialog box is displayed Type T
86. t information e Product documentation including PDFs of the Model 707B or 708B Quick Start Guide User Manual and Reference Manual as well as the product data sheet product specifications and rack mount kit instructions e Product documentation for the switch cards that are compatible with the Model 707B or 708B e Model 707B or 708B drivers for IVI Instrument Driver and driver for National Instrument s LabVIEW and related release notes e J2SE Runtime Environment which is necessary to use the instrument s web interface e Keithley I O layer and release notes including necessary drivers for communication over the USB interface see the Models 707B and 708B Reference Manual for details on using the USB interface For the latest drivers and additional support information see the Keithley Instruments support website http www keithley com support 1 2 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 2 Using the front panel interface In this section INTOGUCHON ee 2 1 Model 707B front panel isisisi 2 2 Maodel 708B front panel eii rt Maii iei daas 2 2 Keys and navigation wheel cites 2 3 Bop dc 2 5 Selecting and closing a channel from the front panel 2 7 Crosspoint display Model 707B only 2 9 Viewing the close or open status of a channel 2 11 ChianrelBattemis enr
87. tauaserssaeenctsimaueceiae 5 2 Connect the equipment 5 2 c dn epa qa ERE ERRASSE a M AENEAN REFER ARBRES RM DANIA 5 2 Logical block diagram of test connections 22 recrear i ter di aider te enia duda 5 3 Example 1 Control with separate interfaces ssssssssssssseeeee 5 4 Setup COMMMMIGATION se siisassccncesi esa a E pst Do le E epe se ER RENE seuss RE da pie Eco eese Dio aec 5 4 Example program code for the Model 707B or 708B eterne niens 5 5 Exanmiple program code for the Model 2885 iiriceciute pte eO era ua tein ERA RE ES MERDA S CEU FARAR PE RAGUERRRE 5 5 Example code to rum the tSt sivscissiacice is nat sabsebbs CE 5 6 Example 2 Using TSP Link to configure instruments e ccceeceeeeeeeeeenteaeeeteeeeeeeees 5 7 Setup eom mubleatlofiss eeoccste ia toei teo e tbe etatis iuto pue Luca dut booa Saut ge Sap Ub acea 5 8 Example Program COJE e RO 5 9 Example code 16 num the i r 5 10 Example 3 Configure using TSP Link and interactive triggers sesssssss 5 12 SEPP COMMUNICA NOM s cedet sa Ra EA MESA Eres ec Spo HEEL Eo A 5 12 Example WoeeippHesR M EE 5 13 Examipleprogramicbodeto TULY the TOS ose eoe inte Pepe t aei OR M OR RH RE QU EM IA ERIS 5 16 Example 4 Using the scanning and triggering model ssseeese 5 17 Sebupa orgmublealob 1 5e dried acters tines Do telles ua ust tetas Ead suisse de 5 17 Ex mple progranm Coda e
88. that channel pattern e Check that channels contained in the pattern are correct e Check that channels contained in the pattern create the desired path connection e Make sure that channels that you want to include in the pattern are not set to forbidden to close When naming the channel pattern be aware e The first character of the name must be alphabetic upper or lower case e Names are case sensitive e Pattern names must be different than row column and channel labels Exercise Create channel pattern TESTO1 from closed channels To create channel pattern TESTO1 from channels currently closed 1 Close the channels you want to include in the channel pattern For this example close channels 1401 1B02 and 1C03 Refer to Selecting and closing a channel from the front panel on page 2 7 for instructions on how to close individual channels Press the PATT key From this menu select the CREATE menu item From this menu select the SNAPSHOT menu item a RON At the prompt enter a pattern name using the navigation wheel For this example enter the name TEST01 Use the navigation wheel to select each character of the name o Use the ENTER key to apply the selection Use the EXIT key to leave the menu NOTE Refer to Channel patterns in the Models 707B and 708B Reference Manual for more details Performing close and open operations on channel patterns A WARNING Careless channel pattern operation
89. the crosspoint that is on slot 2 at row C and column 3 1 When you are displaying slot 2 press the navigation wheel G The red lights for that slot are displayed 2 Turn the navigation wheel O to go to row 2C 3 Press the navigation wheel E to select the row The red lights for each crosspoint in the row are on as shown in the following figure Figure 9 One row selected SLOT 1 SLOT2 SLOT 3 NOTE On the Model 707B if you scroll past the last row of any slot you will go to the next slot 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Models 707B and 708B Switching Matrix User s Manual Section 2 Using the front panel interface 4 After choosing the row press the navigation wheel e A column of red lights is displayed 5 Turn the navigation wheel to go to column 03 Note that scrolling through the columns will not scroll through slots as scrolling through rows does 6 Press the navigation wheel e or ENTER to select the column and row This channel is now displayed on the bottom display as 2C 03 7 To e Open the channel Press OPEN e Close a channel without affecting any other channels Select CLOSE e Close a channel and open any other closed channels on the instrument Select CHAN and select EXCLOSE Press ENTER to close the selected channels e Close a channel and open any other closed channels on the slot that c
90. trument 5 6 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Models 707B and 708B Switching Matrix User s Manual Section 5 Working with the Series 2600A Model 2635A 707B or 708B 2635A 707B or 708B 2635A 707B or 708B 2635A Model 707B or 708B 2635A 707B or 708B 2635A 707B or 708B 2635A 707B or 708B 2635A Example program code to run the test Code smua source output 1 channel exclusiveclose matrixChannels 1 smua trigger initiate waitcomplete channel exclusiveclose matrixChannels 2 smua trigger initiate waitcomplete channel exclusiveclose matrixChannels 3 smua trigger initiate waitcomplete channel exclusiveclose matrixChannels 4 smua trigger initiate waitcomplete channel exclusiveclose matrixChannels 5 smua trigger initiate waitcomplete channel exclusiveclose matrixChannels 6 smua trigger initiate waitcomplete smua source output 0 channel open allslots printbuffer 1 smua nvbufferl n smua nvbufferl readings Notes and comments Turn on the Model 2635A output Connect first diode Initiate sweep Wait until sweep is complete Connect second diode Initiate sweep Wait until sweep is complete Connect third diode Initiate sweep Wait until sweep is complete Connect fourth diode Initiate s
91. tup GPIB Model 707B or 708B System Switch Controller Series 2600A SMU 5 4 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Models 707B and 708B Switching Matrix User s Manual Section 5 Working with the Series 2600A Example program code for the Model 707B or 708B NOTE The example code does not include programming syntax to issue commands from the host computer over GPIB or LAN communication interfaces It cannot be run using TSB Embedded You are expected to send the instrument commands by means of a separate application development environment such as Microsoft Visual Studio or National Instruments Labview Send the following commands to configure the Model 707B or 708B Code reset errorqueue clear matrixChannels matrixChannels 1 matrixChannels 2 matrixChannels 3 matrixChannels 4 matrixChannels 5 matrixChannels 6 1A01 1B02 1A03 1B04 1A05 1B06 1A07 1B08 1A09 1B10 1A11 1B12 Example program code for the Model 707B or 708B Notes and comments Reset the instrument to factory defaults Clear all errors Define the table that details crosspoints to close to connect each diode to the source measure unit SMU Add entries to the table Example program code for the Model 2635 Send the following commands to configure the Model 2635 System So
92. uae agai 2 11 Set up row column and channel labels 2 13 Introduction Before starting this section complete the tasks outlined in the Models 707B and 708B Quick Start Guide and install a switch card within the switching matrix Once you have completed those tasks read this section which provides enough basic information about the Models 707B and 708B front panel interfaces to work through the examples provided in this manual The front panel of the Keithley Instruments Model 707B or 708B contains the following items The display The crosspoint display Model 707B only The keys and navigation wheel Q The LAN STATUS light The POWER button You can use the keys displays and the navigation wheel Q to change the selected channel or channel pattern You can also use them to access view and edit the menu items The crosspoint display on the Model 707B shows you which channels are opened and closed For additional information about the front panel see the Front panel operation section in the Models 707B and 708B Reference Manual Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 2 Using the front panel interface Models 707B and 708B Switching Matrix User s Manual Model 707B front panel The front panel of the Model 707B is shown below Figure 1 Model 707B front panel KEITHLEY 707B SWITCHING MATRIX LJ Channel columns Slot and channel rows
93. urceMeter Instrument 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 5 Working with the Series 2600A Models 707B and 708B Switching Matrix User s Manual Example program code for the Model 2635 System SourceMeter Instrument Code Notes and comments reset Reset the instrument errorqueue clear Clear all errors and reset status bits smua nvbufferl clear Clear existing data from the data buffer smua source func smua OUTPUT DCAMPS Set source function to current source smua source rangei 0 01 Set source current range to 10 mA smua measure rangev 6 Set voltage measurement range to 6 V smua measure nplc 1 Set integration rate smua nvbufferl appendmode 1 Enable buffer append mode smua trigger source limitv 10 Set the voltage compliance during the sweep smua trigger source lineari 0 0 01 11 Configure linear staircase sweep smua trigger source action smua ENABLE Enable the source action during the sweep smua trigger measure v smua nvbuffer1 Configure sweep voltage measurements smua trigger measure action Enable voltage measurements smua ENABLE smua trigger count 11 Set trigger count to number of steps in the sweep Set arm count to number of sweeps to perform smua trigger arm count 1 Example code to run the test To run the test send the following commands to the corresponding ins
94. ure below Note that all triax connections for the SourceMeter Instrument and the diodes are made to the center conductor pin of the triaxial connector Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 6 Working with the Series 2400 Models 707B and 708B Switching Matrix User s Manual NOTE This drawing shows connections to the Model 7072 8x12 Switch Card However you can make similar connections to the other switch cards listed for this example Model 2600 TLINK TriggerLink to digital I O cable assembly Connect to the digital I O Model 2400 5 connector on the rear panel of the Va Model 70xB system switch us Model 7072 8x12 Switch Matrix Card Mounting screw Columns 1 12 Low current rows Model 237 BAN 3A Triax to banana cable assembly DO MINN Carrying handle EO Setup Notes F 1 This drawing illustrates connections to the Model 7072 8x12 Switch Matrix Card Connections to other cards supported by the GQ fe cv 70xB System Switch are similar TOWS HO 2 All triaxial connections for both the Sourcemeter instrument and the diodes are made to the center conductor pin of the triaxial G connector Mounting screw Logical block diagram of test connections The following figure shows the logical block diagram of the test connections 6 2 707B 900 01 Rev A August 2010
95. ure is complete an output trigger is asserted on digital I O line Run the script to generate the functions Call the function that sets up the Model 707B or 708B and store the output of the function in the variable crossptTable Alternate method for creating a list of crosspoints The following code creates a list of crosspoints that can be used in a test This code replaces chanTable in the example code above x d The following nested for loop creates channel list for the scan This list is compiled in the table jscTable tore aL S il iil 2 cle a mE sho teal chanl channel createspecifier 1 1 1i chan2 channel createspecifier 1 2 j GlacmuUreioile is lt GCloewiil 24 UU clmeum Crosspoints are printed to show output of example print chanTable x xe xe end Output 1A01 1B02 1A03 1B05 1A05 1B06 1A07 1B08 1A09 1B10 1A11 1B12 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Models 707B and 708B Switching Matrix User s Manual Section 6 Working with the Series 2400 Overview of running the test The Model 707B or 708B closes the crosspoints necessary to connect the SourceMeter to each diode under test one at a time The SourceMeter then performs an I V sweep on each diode This process continues until all six diodes are tested Example code to run the test To run the test send the foll
96. ures the System SourceMeter instrument and turns on its output Initiate the System node 2 smua trigger initiate SourceMeter so that it is ready to sweep once a trigger signal is received Note that the output turns on but no power is applied Initiate the System Switch to start a background scan Delay 2 seconds to allow the scan to start delay 2 Use variables to hold the scanState scanCount stepCount scan state scan state response Print the response to scan state which you can use to determine when the scan is complete Query the scan state every second to determine when the scan completes When the scan is complete node 2 smua source output 1 scan background print scanState scanCount stepCount my while scanState 6 do scan state 6 exit delay 1 the loop end node 2 smua source output 0 Turn off the SMU output channel open allslots Open all crosspoints end Ends the runDiodeTest function 707B 900 01 Rev A August 2010 5 21 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com Section 6 Working with the Series 2400 In this section About the Series 2400 examples 6 1 Equipment required to run the examples 6 1 Connect the equipment
97. weep Wait until sweep is complete Connect fifth diode Initiate sweep Wait until sweep is complete Connect sixth diode Initiate sweep Wait until sweep is complete then turn off the output Open all crosspoints Retrieve data from the Model 2635A Example 2 Using TSP Link to configure instruments Using TSP Link to configure the Series 2600A and Model 707B or 708B This example is identical to the test in example 1 except that TSP Link is used to communicate to the Model 2635 System SourceMeter instrument from the Model 707B or 708B To run this test you create a table on the Model 707B or 708B that contains the crosspoints that are needed to connect the SMU to each diode under test one at a time The SMU then performs an I V sweep on the diode Data from the SMU is returned to the controlling computer after all six diodes have been tested 707B 900 01 Rev A August 2010 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com 5 7 S 5 8 ection 5 Working with the Series 2600A Models 707B and 708B Switching Matrix User s Manual Set up communication The communication setup is illustrated in the diagram below GPIB is used as an example but this application can be run using any of the supported communication interfaces for the instruments A TSP Link connection enables communication between the two instruments and commands for the SourceMeter on TSP
98. while re installing 4 Make sure the outer shield is not inserted into the card rails 5 Make sure that no other portions of the card catch on any part of the instrument frame while installing 6 Make sure the card is fully seated before restarting the instrument Edge connector is dirty If the card was stored outside of the instrument it is possible that the edge connector has gotten dirty 1 2 3 Check the edge connector The gold edge connector fingers should have a bright surface when properly cleaned If necessary clean the edge connector Re install the card Confirm that the card is supported in the Model 707B or 708B See the Models 707B and 708B specifications Instrument s internal web page is not accessible 7 4 cannot access the instrument s internal web page How do fix this Ensure that the instrument has a valid and unique IP address assigned To view the IP address of the Models 707B and 708B press MENU Select LAN gt STATUS gt IP ADDRESS If a valid IP address is displayed the instrument configuration is correct If 0 0 0 0 is displayed the IP address is not valid If you are using the automatic configuration method over a corporate network contact your network administrator for assistance If you are using the automatic configuration method and you have a one to one connection between the instrument and the computer verify that the computer is set to receive an IP address automati

Manual - Test Equipment Depot

Contents

Download Pdf Manuals

Related Search

Related Contents