Tektronix KEITHLEY 2600B Series User Manual Download Page 94

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Section 4: Operation

Series 2600B System SourceMeter® instrument User's Manual

4-34

2600BS-900-01 Rev. A / August 2021

To set the current limit in NORMAL output-off mode remotely:*

smu

.source.offlimiti =

iValue

To set the voltage limit in NORMAL output-off mode remotely:*

smu

.source.offlimitv =

vValue

smu

can be

smua

for channel A or

smub

for channel B

Remote programming output-off states quick reference

The content of the following table is a quick reference of commands for programming output-off states

from a remote interface.

Output-off state programming quick reference

Command*

Description

smu

.source.offmode = smua.OUTPUT_NORMAL

Selects normal output-off mode.

smu

.source.offmode = smua.OUTPUT_HIGH_Z

Selects high-impedance output-off mode.

smu

.source.offmode = smua.OUTPUT_ZERO

Selects zero output-off mode.

smu

.source.offfunc = smua.OUTPUT_DCVOLTS

Sets 0 V output with current limit specified by
the

smua.source.offlimiti

attribute.

smu

.source.offfunc = smua.OUTPUT_DCAMPS

Sets 0 A output with voltage limit specified by
the

smua.source.offlimitv

attribute.

smu

.source.offlimiti =

iValue

Sets current limit in normal output-off mode.

smu

.source.offlimitv =

vValue

Sets voltage limit in normal output-off mode.

smu

can be

smua

for channel A or

smub

for channel B

Summary of Contents for KEITHLEY 2600B Series

Page 1: ...User s Manual 2600BS 900 01 Rev A August 2021 P2600BS 900 01A 2600BS 900 01A tek com keithley Series 2600B System SourceMeter Instrument...

Page 2: ...System SourceMeter instrument User s Manual Series 2600B...

Page 3: ...names are trademarks or registered trademarks of Keithley Instruments LLC Other brand names are trademarks or registered trademarks of their respective holders The Lua 5 0 software and associated docu...

Page 4: ...d to mains These instruments will be marked as category II or higher Unless explicitly allowed in the specifications operating manual and instrument labels do not connect any instrument to mains Exerc...

Page 5: ...lains hazards that could damage the instrument Such damage may invalidate the warranty The CAUTION heading with the symbol in the user documentation explains hazards that could result in moderate or m...

Page 6: ...rs 3 1 Front panel 3 1 Rear panel 3 5 Menu overview 3 12 Menu navigation 3 12 Menu trees 3 12 Setting values 3 19 Beeper 3 21 Displayed error and status messages 3 21 Display operations 3 22 Display m...

Page 7: ...rface 4 6 DUT test connections 4 6 Input output connectors 4 8 2 wire local sensing connections 4 12 4 wire remote sensing connections 4 12 Contact check connections 4 14 Guarding and shielding 4 16 I...

Page 8: ...t User s Manual Table of contents Front panel tests 5 3 Keys test 5 3 Display patterns test 5 3 Upgrading the firmware 5 4 Using TSB to upgrade the firmware 5 5 Displaying the serial number 5 6 Next s...

Page 9: ...also maintains code compatibility throughout the Series 2600B SourceMeter instruments This manual describes basic operation for the Models 2601B 2602B 2604B 2611B 2612B 2614B 2634B 2635B and 2636B Ex...

Page 10: ...acking instructions describes basic connections and reviews basic operation information If you are new to Keithley Instruments equipment refer to the Quick Start Guide to take the steps needed to unpa...

Page 11: ...o create your own test applications in C C VB NET or C programming languages It can also be called from other languages that support calling a DLL or ActiveX COM object Refer to IVI Foundation ivifoun...

Page 12: ...to 240 V ac 50 Hz or 60 Hz autosensing 240 VA maximum Input and output connections See Front panel on page 3 1 and Rear panel on page 3 5 Environmental conditions For indoor use only Altitude Maximum...

Page 13: ...er or coffee for instance on the top cover If it spills the liquid may enter the case through the vents and cause severe damage To prevent damaging heat build up and ensure specified performance use t...

Page 14: ...elow to connect the 2600B to line power and turn on the instrument Operating the instrument on an incorrect line voltage may cause damage to the instrument possibly voiding the warranty To turn a 2600...

Page 15: ...tact 4 To turn your instrument on press the front panel POWER switch to place it in the on I position 5 To turn your instrument off press the front panel POWER switch to place it in the off O position...

Page 16: ...key to return to the main display To configure the line frequency from a remote interface Set the localnode linefreq or the localnode autolinefreq attribute To set the line frequency to 60 Hz send lo...

Page 17: ...indicators and connectors 2600B controls indicators and the USB port are on the front panel on page 3 1 Make connections to the 2600B through connectors on the rear panel on page 3 5 Front panel The...

Page 18: ...function voltage or current and places the cursor in the source field for editing MEAS Cycles through measure functions voltage current resistance or power LIMIT Places the cursor in the compliance l...

Page 19: ...STATISTICS Includes MEAN STD DEV SAMPLE SIZE MINIMUM MAXIMUM PK PK TRIG Triggers readings MENU Accesses the main menu on page 3 12 You can use the main menu to configure many functions and features EX...

Page 20: ...cursor control and then press the navigation wheel to view the value or submenu item 5 Navigation wheel Turn the navigation wheel to Move the cursor to the left and the right the cursor indicates the...

Page 21: ...autorange is selected EDIT Instrument is in editing mode ERR Questionable reading or invalid calibration step FILT Digital filter is enabled LSTN Instrument is addressed to listen REL Relative mode i...

Page 22: ...Section 3 Instrument description Series 2600B System SourceMeter instrument User s Manual 3 6 2600BS 900 01 Rev A August 2021 Figure 4 2602B and 2612B rear panel Figure 5 2604B rear panel...

Page 23: ...Series 2600B System SourceMeter instrument User s Manual Section 3 Instrument description 2600BS 900 01 Rev A August 2021 3 7 Figure 6 2614B rear panel Figure 7 2634B rear panel...

Page 24: ...Section 3 Instrument description Series 2600B System SourceMeter instrument User s Manual 3 8 2600BS 900 01 Rev A August 2021 Figure 8 2635B rear panel Figure 9 2636B rear panel...

Page 25: ...rd G Connections are as follows LO LO S LO Sense LO G Guard S HI Sense HI HI HI Channel A 2634B 2635B 2636B Channel B 2634B 2636B These triaxial connectors provide input output connections for HI and...

Page 26: ...seven GND pins and three 5 V pins The digital input and output pins are not available on the 2604B 2614B 2634B Pins provided One interlock pin seven GND pins and three 5 V pins The digital input and...

Page 27: ...ground module Screw terminal connector on ground module 8 TSP Link Expansion interface that allows a 2600B and other TSP enabled instruments to trigger and communicate with each other Use a category 5...

Page 28: ...RSOR arrow key to highlight an option Rotate the navigation wheel clockwise or counterclockwise to highlight an option Press the ENTER key or the navigation wheel to select an option Use the EXIT LOCA...

Page 29: ...lusive 2 TSP Link is not available on the 2604B 2614B and 2634B 3 DIGOUT is not available on the 2604B 2614B and 2634B The following table contains descriptions of the main menu options and cross refe...

Page 30: ...the flow control ENABLE Enables and disables the RS 232 interface TSPLINK Configure the instrument in a TSP Link network Series 2600B Reference Manual TSP Link system expansion interface NODE Selects...

Page 31: ...cture is summarized in the following figures More detailed information follows the figures For directions on navigating the menu see Menu navigation on page 3 12 For other menu items see Main menu on...

Page 32: ...ser s Manual 3 16 2600BS 900 01 Rev A August 2021 Figure 12 CONFIG menu tree COMMON menu models with two SMUs 1 Enter a value 2 Replace X with A for SMU Channel A such as in CHANA BUF or a B for SMU C...

Page 33: ...ent User s Manual Section 3 Instrument description 2600BS 900 01 Rev A August 2021 3 17 Figure 13 CONFIG menu tree models with a single SMU 1 Select a value 2 Enter a value 3 Model 2635B only Press th...

Page 34: ...annel To access press the CONFIG key and then Options For more information see SRC V source sense and low range I source low range and high capacitance mode Series 2600B Reference Manual Range Basic s...

Page 35: ...the change 5 To return to the main menu press the EXIT LOCAL key To set a value using the numeric entry method 1 If the keypad is disabled press the MENU key then select DISPLAY NUMPAD ENABLE 2 Use th...

Page 36: ...gation wheel to move the cursor to the digit that needs to be changed 3 Press the navigation wheel or the ENTER key to edit the source value The EDIT indicator is illuminated 4 Change the source value...

Page 37: ...r on or off from the front panel 1 Press the MENU key and then select BEEPER 2 Select one of the following ENABLE DISABLE To turn the beeper on or off from the TSP command interface Set the beeper ena...

Page 38: ...ISPLAY key to scroll through the various display modes shown in the figure below Refer to Display operations on page 3 22 for more information about the display For the 2602B 2604B 2612B 2614B 2634B a...

Page 39: ...6 display getlastkey Capturing key press codes display gettext Displaying text messages on page 3 27 display inputvalue Parameter value prompting on page 3 30 display loadmenu add display loadmenu cat...

Page 40: ...cted the measured reading can be displayed as volts amperes ohms or watts Configure the type of measured reading displayed by setting the display smuX measure func attribute The following programming...

Page 41: ...display clear display setcursor and display settext are overlapped nonblocking commands The script does not wait for one of these commands to complete These nonblocking functions do not immediately up...

Page 42: ...is truncated If the text is truncated the cursor is left at the end of the line Figure 15 Row and column format for display messaging 1 Columns for Row 1 2 Columns for Row 2 3 Row 1 4 Row 2 X Display...

Page 43: ...bottom line display clear display setcursor 1 1 0 display settext Test in Process display setcursor 2 6 0 display settext Do Not Disturb Character codes The following special codes can be embedded in...

Page 44: ...n the text string It is easy to forget that the character following the is part of the code For example if you want to display Hello on the top line and Nate on the bottom line send the following comm...

Page 45: ...resent a user defined menu on the display The menu consists of the menu name on the top line and a selectable list of menu items on the bottom line To define a menu use the display menu menu items fun...

Page 46: ...omitting the prevents negative value entry 0 Defines the digit positions for the value up to six zeros 0 Exponent field optional E include for exponent entry Include for positive negative exponent en...

Page 47: ...termine which front panel display indicators are turned on use the display getannunciators function For example send the following commands annun display getannunciators print annun The 16 bit binary...

Page 48: ...ent a test from being interrupted When locked this key becomes a NO OP no operation Configure the following attribute to lock or unlock the EXIT LOCAL key display locallockout lockout Where lockout is...

Page 49: ...600B is turned off See Example 1 below Example 1 Assume a script with a function named DUT1 has been loaded into the 2600B and the script has not been saved in nonvolatile memory Now assume you want t...

Page 50: ...nel To run a user factory or script test from the front panel 1 Press the LOAD key to display the LOAD TEST menu 2 Select the USER FACTORY or SCRIPTS menu item 3 Position the blinking cursor on the te...

Page 51: ...sv file Administrative options LAN information and LXI information The web interface resides in the firmware of the instrument Changes you make through the web interface are immediately made in the in...

Page 52: ...omputer keyboard to open the web interface of the instrument If the web interface does not open in the browser see LAN troubleshooting suggestions Web interface Welcome page The Welcome page provides...

Page 53: ...ess assignment that uses a static address to an IP address assignment that uses a DHCP server If this happens you need to revert to either using the front panel to set the IP address or use an automat...

Page 54: ...anel Select MENU then RESET PASSWORD For information on the TSP commands refer to localnode passwordmode in the Series 2600B Reference Manual To change the password 1 Select Set Password 2 In the Curr...

Page 55: ...ing buffer from the Reading Buffer list The data is displayed in the table Initially the reading number and reading measurement values are displayed You can display additional data using the filters t...

Page 56: ...data shown in the table on the Reading Buffers page is downloaded To download buffer data 1 From the web interface select Virtual Front Panel 2 Select Reading Buffers 3 From the Reading Buffer list s...

Page 57: ...to send the command to the instrument The command is displayed in the Output box If there is a response to the command it is displayed after the command 4 To clear the Output box right click and selec...

Page 58: ...trigger occurred in UTC 24 hour time 11 46 44 000 11 Mar 2020 Event ID Identifies the lan trigger N that generates an event LAN0 lan trigger 1 LAN1 lan trigger 2 LAN2 lan trigger 3 LAN3 lan trigger 4...

Page 59: ...ro 0 Flags Contain data about the LXI trigger packet values are 1 Error 2 Retransmission 4 Hardware 8 Acknowledgments 16 Stateless bit 16 Data The values for this are always 0 zero Accessing the event...

Page 60: ...imestamp PTP time Epoch from 1588 Flags Data See the table in Logging LAN trigger events in the event log on page 3 41 for detailed descriptions To generate log traffic send the code local id 1 lan tr...

Page 61: ...ndling cables Putting the equipment into standby does not guarantee that the outputs are powered off if a hardware or software fault occurs Source measure capabilities From the front panel you can con...

Page 62: ...10 nA 100 nA 1 A 10 A 100 A 1 mA 10 mA 100 mA 1 A 1 5 A 10 A5 202 mV 2 02 V 20 2 V 202 V N A 1 01 nA 10 1 nA 101 nA 1 01 A 10 1 A 101 A 1 01 mA 10 1 mA 101 mA 1 01 A 1 515 A 10 1 A 204 mV 2 04 V 20 4...

Page 63: ...Manual For additional information on limits refer to Limit principles in the Series 2600B Reference Manual The only exception to the limit not being exceeded is the voltage limit when operating as a...

Page 64: ...needed Press the ENTER key or the navigation wheel 3 Press the navigation wheel and set the limit to the new value 4 Press the ENTER key or the navigation wheel to complete editing 5 Press the EXIT LO...

Page 65: ...e instrument or to the device under test DUT When operating as a sink voltage and current have opposite polarity the instrument is dissipating power rather than sourcing it An external source for exam...

Page 66: ...system To prevent injury or death remove power from the instrument or test system and discharge any energy storage components for example capacitors or cables before changing any connections that migh...

Page 67: ...rrent or voltage as shown in the following figure Figure 21 Fundamental source measure configurations Source V A Current meter Voltage source V Voltage meter When sourcing current you can measure volt...

Page 68: ...nt electrical shock that could cause injury or death never make or break connections to the 2600B while the output is on Power off the equipment from the front panel or disconnect the main power cord...

Page 69: ...ks Input output LOs are not connected between channels and are electrically isolated from chassis ground The chassis should never be used as a ground point for signal connections High frequencies more...

Page 70: ...h terminal block uses two captive screws to secure it to the rear panel Figure 25 Models 2634B and 2636B input output and chassis ground terminals Model 2635B similar For the 2601B 2602B 2604B 2611B 2...

Page 71: ...the FVR increases to dampen its effects For dc to 60 Hz the FVR is a virtual short 0 ohms Figure 26 Models 2601B 2602B 2604B 2611B 2612B and 2614B low noise chassis ground banana jack and chassis scre...

Page 72: ...and measuring voltage in high impedance more than 1 k test circuits When using 2 wire local sensing connections make sure to properly configure the 2600B Sense mode selection on page 4 30 Figure 28 Tw...

Page 73: ...ected from its corresponding force lead Even with the overvoltage protection set to the lowest value 2 V never touch anything connected to the terminals of the 2600B when the instrument is on Always a...

Page 74: ...tential sources for this resistance include poor contact at the device under test DUT failing relay contacts on a switching card and wires that are too long or thin To use contact check the current li...

Page 75: ...one of the following 0 or smuX CONTACT_FAST 1 or smuX CONTACT_MEDIUM 2 or smuX CONTACT_SLOW smuX contact threshold rvalue Set resistance threshold for the contact check function Contact check programm...

Page 76: ...uit A metal safety shield must be connected to a known protective earth safety ground See Test fixtures on page 4 24 for important safety information on the use of a metal or a nonconductive enclosure...

Page 77: ...Chassis screw 3 Device under test DUT 4 Protective earth safety ground 5 Equivalent schematic 6 Metal safety shield For the 2611B 2612B 2614B 2634B 2635B and 2636B the maximum output voltage for a cha...

Page 78: ...Manual 4 18 2600BS 900 01 Rev A August 2021 Figure 32 Model 2611B 2612B or 2614B safety shield for hazardous voltage test circuit connections 1 Chassis 2 Chassis screw 3 Device under test DUT 4 Protec...

Page 79: ...Section 4 Operation 2600BS 900 01 Rev A August 2021 4 19 Figure 33 Model 2634B 2635B or 2636B safety shield for hazardous voltage test circuit connections 1 Protective earth safety ground 2 Equivalent...

Page 80: ...hat can exist between HI and LO Without guarding leakage and capacitance in the external high impedance test circuit could be high enough to adversely affect the performance of the 600B Guarding is re...

Page 81: ...ve test fixtures must be rated to double the maximum capability of the test equipment in the system Connections to LO on the 2600B are not necessarily at 0 V Hazardous voltages could exist between LO...

Page 82: ...is connected to LO The safety shield is connected to the chassis and to protective earth safety ground Connect the enclosure of all metal test fixtures to protective earth safety ground See your speci...

Page 83: ...nabled The interlock helps facilitate safe operation of the equipment in a test system Bypassing the interlock could expose the operator to hazardous voltages that could result in personal injury or d...

Page 84: ...r panel 7 Pin 23 8 Closing switch enables 200 V operation Test fixture You can use a test fixture to house a device or test circuit The test fixture can be a metal or nonconductive enclosure and is ty...

Page 85: ...struction requirements for a nonconductive enclosure are also described in the warning above Test circuit isolation With the lid closed the test fixture must completely surround the test circuit A met...

Page 86: ...LO of the 2600B is floating 10 V above chassis earth ground If LO of the 2600B was instead connected to chassis ground the external voltage source would be shorted to the chassis ground Figure 38 Sch...

Page 87: ...mum floating common mode voltage for a source measure unit SMU is 250 V Exceeding this level may cause damage to the instrument and create a shock hazard Using an external source to float a SMU could...

Page 88: ...source as indicated by the units in the source field on the display The flashing digit cursor indicates which value is presently selected for editing 2 Move the cursor to the digit to change then pres...

Page 89: ...the RANGE keys The selected source range determines the measurement range When not measuring the source such as when sourcing V but measuring I you can select the measurement range selection manually...

Page 90: ...ey or the navigation wheel If you pressed the MEAS key Select V MEAS SENSE MODE and then press the ENTER key or the navigation wheel 4 Select 2 WIRE or 4 WIRE as needed and then press the ENTER key or...

Page 91: ...see Output off function on page 4 32 You can also specify current and voltage output off limits Output off limits compliance on page 4 33 When the output is turned off the output goes to either 0 V o...

Page 92: ...only when the output is turned off and the 2600B is set to the normal output off mode smuX source offmode smuX OUTPUT_NORMAL You can set the output off function to CURRENT or VOLTAGE through the CONF...

Page 93: ...ource offfunc smuX OUTPUT_DCAMPS smuX can be smua for channel A or smub for channel B Output off limits compliance You can set output off limits compliance for the current and voltage output off funct...

Page 94: ...utput off state programming quick reference Command Description smuX source offmode smua OUTPUT_NORMAL Selects normal output off mode smuX source offmode smua OUTPUT_HIGH_Z Selects high impedance outp...

Page 95: ...eplacement A fuse on the 2600B rear panel protects the power line input of the instrument See the following instructions to replace the fuse You do not need to return your instrument for service if th...

Page 96: ...all tab is on the top of the fuse drawer item 2 Use a thin bladed knife or a screwdriver to pry this tab away from the ac receptacle 3 Slide the fuse drawer out to gain access to the fuse the fuse dra...

Page 97: ...he test press the ENTER key When you press a key while the test is active the label name for that key is displayed to indicate that it is functioning properly When you release the key the message No k...

Page 98: ...From the front panel you must use the USB flash drive Make sure the USB flash drive is empty except for the firmware file From the web interface Test Script Builder or remote interface you can select...

Page 99: ...e status of the upgrade is displayed The instrument reboots automatically when the upgrade is complete To upgrade or downgrade the firmware from the web interface 1 Turn the instrument power off Wait...

Page 100: ...Upgrade to install a newer version of firmware or Downgrade to install an older of firmware 7 Wait until the upgrade or downgrade is complete and the instrument shows the opening display Displaying t...

Page 101: ...andbook Precision DC Current Voltage and Resistance Measurements Semiconductor Device Test Applications Guide Application notes Updated drivers Information about related products including Series 2600...

Page 102: ...and trade names are the property of Keithley Instruments All other trademarks and trade names are the property of their respective companies Keithley Instruments Corporate Headquarters 28775 Aurora Ro...

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