Tektronix Keithley 2260B Series User Manual
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Tektronix Keithley 2260B Series User Manual

Multi-range programmable dc power supplies
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2260B Series
 
Multi-Range Programmable DC Power Supplies
 
 
U
ser Manual
 
077-1046-01/ August 2015
A Greater Measure of Confidence
www.keithley.com
A Tektronix Company

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  • Page 1   www.keithley.com 2260B Series   Multi-Range Programmable DC Power Supplies     ser Manual   077-1046-01/ August 2015 A Greater Measure of Confidence A Tektronix Company...
  • Page 2 ADDENDUM Please replace the “Set up” section on page 40 through page 41 of the 2260B user manual with the following replacement: Set Up Line Voltage Connection – 1080W Models The 1080W (2260B-30-108/80-40/ 250-13/800- Background 4) models use a universal power input that can be used with 100 and 200 VAC systems.
  • Page 3 4. Slide the cover off the AC terminals. 5. Remove the AC power cord wires. 1. Thread the power cord through the strain relief Installation and through the power cord cover. 2. Connect the AC power cord wires to the AC input terminals.
  • Page 4 4. Screw the power cord cover onto the rear panel using the supplied screws. 5. Screw the strain relief onto the power cord cover.
  • Page 5 Series 2260B Multi-Range Programmable DC Power Supplies USER MANUAL ISO-9001 CERTIFIED MANUFACTURER...
  • Page 6 This manual contains proprietary information, which is protected by copyright. All rights are reserved. No part of this manual may be photocopied, reproduced or translated to another language without prior written consent. The information in this manual was correct at the time of printing. However, we continue to improve products and reserves the rights to change specification, equipment, and maintenance procedures at any time without notice.

  • Page 7: Table Of Contents

    Table of Contents Table of Contents SAFETY INSTRUCTIONS ..........5 GETTING STARTED ............9 2260B Series Overview ........... 11 Appearance ............18 Theory of Operation ..........25 OPERATION ..............38 Set Up ..............40 Basic Operation ............. 60 Parallel / Series Operation ........75 Test Sequence ............
  • Page 8 2260B Series User Manual FAQ ................171 APPENDIX ..............173 2260B Default Settings ........173 Error Messages & Messages ........ 176 LED Display Format ..........176 2260B Specifications ..........177 2260B Dimensions ..........194 INDEX ................201...

  • Page 9: Safety Instructions

    SAFETY INSTRUCTIONS AFETY INSTRUCTIONS This chapter contains important safety instructions that you must follow during operation and storage. Read the following before any operation to insure your safety and to keep the instrument in the best possible condition. Safety Symbols These safety symbols may appear in this manual or on the instrument.
  • Page 10 2260B Series User Manual Do not dispose electronic equipment as unsorted municipal waste. Please use a separate collection facility or contact the supplier from which this instrument was purchased. Safety Guidelines Do not place any heavy object on the General ...
  • Page 11 SAFETY INSTRUCTIONS Disconnect the power cord before cleaning. Cleaning the  Instrument Use a soft cloth dampened in a solution of mild  detergent and water. Do not spray any liquid. Do not use chemicals containing harsh material  such as benzene, toluene, xylene, and acetone. Location: Indoor, no direct sunlight, dust free, Operation ...
  • Page 12 2260B Series User Manual Power cord for the United Kingdom When using the power supply in the United Kingdom, make sure the power cord meets the following safety instructions. NOTE: This lead/appliance must only be wired by competent persons WARNING: THIS APPLIANCE MUST BE EARTHED IMPORTANT: The wires in this lead are coloured in accordance with the following code: Green/ Yellow:...

  • Page 13: Getting Started

    GETTING STARTED ETTING STARTED This chapter describes the power supply in a nutshell, including its main features and front / rear panel introduction. After going through the overview, please read the theory of operation to become familiar with the operating modes, protection modes and other safety considerations.
  • Page 14 2260B Series User Manual Considerations ..................33 Grounding ....................36...

  • Page 15: 2260B Series Overview

    GETTING STARTED 2260B Series Overview Series lineup The 2260B series consists of 12 models, divided into 3 different model types covering 3 power capacities: 360W models, 720W models and 1080W models. Throughout the user manual, 2260B-30, 2260B-80, Note 2260B-250 or 2260B-800 will refer to any of the 2260B models with a maximum voltage rating of 30V, 80V, 250V or 800V, respectively.

  • Page 16: Main Features

    2260B Series User Manual Apart from the differences in output, each unit differs in size. The 720W and 1080W models are larger than the 360W models to accommodate the increase in power. 360 W models 720 W models 1080 W models Main Features High performance/power Performance...

  • Page 17: Accessories

    GETTING STARTED Ethernet port Interface  Analog connector for analog voltage and current  monitoring USB host and device port  Accessories Please check the contents before using the 2260B. 2260B-30/80 Accessories Standard Part number Description Accessories 196353000 Test Leads x1(10AWG, Max. 45A, Max.600V) 174627900 USB Cable...
  • Page 18 2260B Series User Manual 001163300 Packing Check List Optional Part number Description Accessories 2260-001 Accessory Kit: Pin contact x10, Socket x1, Protection cover x1 2260-002 Simple IDC Tool 2260-003 Contact Removal Tool 2260-004 Basic Accessory Kit: M4 terminal screws and washers x2, M8 terminal bolts, nuts and washers x2, Air filter x1, Analog control protection dummy x1, Analog control lock lever x1,...

  • Page 19: 2260B-250/800 Accessories

    GETTING STARTED 2260B-250/800 Accessories Standard Part number Description Accessories 196353900 Test Leads x1(20AWG, Max. 9A, Max. 3kV) 174627900 USB Cable 020315700 Basic Accessories Kit: (360W, 720W) Air filter x1, Analog control protection dummy x1, Analog control lock lever x1, Output terminal cover (top & bottom), High voltage output terminal 060316500 Basic Accessories Kit: (1080W)
  • Page 20 2260B Series User Manual Optional Part number Description Accessories 2260-001 Accessory Kit: Pin contact x10, Socket x1, Protection cover x1 2260-002 Simple IDC Tool 2260-003 Contact Removal Tool 2260-005 Cable for 2 units in Series connection. 2260-006 Parallel operation cable for 2 units. 2260-007 Parallel operation cable for 3 units.

  • Page 21: Package Contents

    GETTING STARTED Package Contents Check the contents before using the 2260B. Opening the box Main unit Power cord x1 Contents   (single unit) Test leads x1 China RoHS   Declaration USB cable  Calibration of  Basic Accessories Kit ...

  • Page 22: Appearance

    2260B Series User Manual Appearance 2260B Front Panel 2260B-30-72, 80-27, 250-9, 800-2 (720W) Voltage Display knob Current knob Cover panel Output Power Function switch keys USB A port 2260B-30-36, 80-13, 2260B-30-108, 80-40, 250-13, 800-4 (1080W) 250-4, 800-1 (360W) 2260B-30-108 1080W...
  • Page 23 GETTING STARTED The Function keys along with the Output key will Function Keys light up when a key is active. The Function key is used to configure the power supply. Set the overcurrent or overvoltage protection levels. Sets the current and voltage limits. Used to run customized Test sequence for testing.
  • Page 24 2260B Series User Manual Sets the voltage. Voltage Knob Sets the current. Current Knob Press to turn on the output. The Output Output key will light up when the output is active. The USB A port is used to update the firmware.

  • Page 25: Rear Panel

    GETTING STARTED Rear Panel 2260B-30-72, 80-27 (720W) Sense+ USB B Output Analog control terminal port terminal connector Chassis ground Sense- SER.NO. LABEL terminal Output terminal (-) 240V 47 63Hz 1000VA MAX. AC Input 2260B-30-108, 80-40 (1080W) 2260B-30-36, 80-13 (360W) AC Input SER.NO.
  • Page 26 2260B Series User Manual 2260B-250-9, 800-2 (720W) Sense+ USB B Output Analog control terminal port terminals +V connector Sense- terminal SN.C. S SER.NO. LABEL Chassis ground Output terminals -V 240V 47 63Hz 1000VA MAX. AC Input 2260B-250-13, 800-4 (1080W) 2260B-250-4, 800-1 (360W) AC Input SN.C.
  • Page 27 GETTING STARTED Standard 26 pin MIL connector Analog Control (OMRON XG4 IDC plug). Connector The analog control connector is used to monitor current and voltage output, machine status (OVP, OCP, OTP etc.), and for analog control of the current and voltage output. Use an OMRON XG5 IDC socket as the mating socket.
  • Page 28 2260B Series User Manual The USB B port is used for remote USB B port control. Temperature controlled fans Fans The Ethernet port is used for remote Ethernet Port control and digital monitoring from a PC. 360W models: Line Voltage 2260B-30-36/80-13/250-4/ 800-1 Input 720W models:...

  • Page 29: Theory Of Operation

    GETTING STARTED Theory of Operation The theory of operation chapter describes the basic principles of operation, protection modes and important considerations that must be taken into account before use. Operating Area Description The 2260B power supplies are regulated DC Background power supplies with a high voltage and current output.
  • Page 30 2260B Series User Manual output) exceeds the rated power output, the effective output is actually limited to the power limit of the unit. In this case the output current and voltage then depend purely on the load value. Below is a comparison of the operating areas of each power supply.
  • Page 31 GETTING STARTED 2260B 80V Series Operating Area 13.5 40.5 360W 720W 1080W 26.6 Current (A) 2260B 30V Series Operating Area 360W 720W 1080W Current (A)

  • Page 32: Cc And Cv Mode

    2260B Series User Manual CC and CV Mode When the power supply is operating in CC and CV mode constant current mode (CC) a constant current Description will be supplied to the load. When in constant current mode the voltage output can vary, while the current remains constant.
  • Page 33 GETTING STARTED Conversely the power supply will operate in CC mode when the load resistance is less than the critical resistance. In CC mode the current output is equal to I and the voltage output is less than V Crossover >R point <R...

  • Page 34: Slew Rate

    2260B Series User Manual Slew Rate The 2260B has selectable slew rates for CC and Theory CV mode. This gives the 2260B power supply the ability to limit the current/voltage draw of the power supply. Slew rate settings are divided into High Speed Priority and Slew Rate Priority.

  • Page 35: Internal Resistance

    GETTING STARTED when power is turned off and the load is disconnected. Without a bleed resistor, power may remain charged on the filter capacitors for some time and be potentially hazardous. In addition, bleed resistors also allow for smoother voltage regulation of the power supply as the bleed resistor acts as a minimum voltage load.

  • Page 36: Alarms

    2260B Series User Manual 2260B-800-1 0.0 ~ 555.5Ω 2260B-800-2 0.0 ~ 277.8Ω 2260B-800-4 0.0 ~ 185.1Ω Alarms The 2260B power supplies have a number of protection features. When one of the protection alarms are set, the ALM icon on the display will be lit.
  • Page 37 GETTING STARTED Considerations The following situations should be taken into consideration when using the power supply. When the power supply switch is first turned Inrush current on, an inrush current is generated. Ensure there is enough power available for the power supply when first turned on, especially if a number of units are turned on at the same time.
  • Page 38 2260B Series User Manual Current limit level Measured Ammeter current When the power supply is connected to a Reverse Current: regenerative load such as a transformer or Regenerative load inverter, reverse current will feed back to the power supply. The 2260B power supply cannot absorb reverse current.
  • Page 39 GETTING STARTED When the power supply is connected to a load Reverse Current: such as a battery, reverse current may flow Accumulative energy. back to the power supply. To prevent damage to the power supply, use a reverse-current- protection diode in series between the power supply and load.
  • Page 40 2260B Series User Manual Grounding The output terminals of the 2260B power supplies are isolated with respect to the protective grounding terminal. The insulation capacity of the load, the load cables and other connected devices must be taken into consideration when connected to the protective ground or when floating.
  • Page 41 GETTING STARTED If the positive or negative terminal is connected Grounded output to the protective ground terminal, the terminal insulation capacity needed for the load and load cables is greatly reduced. The insulation capacity only needs to be greater than the maximum output voltage of the power supply with respect to ground.
  • Page 42 2260B Series User Manual PERATION Set Up ..............40 Line Voltage Connection – 1080W Models ........40 Filter Installation ..................42 Power Up ....................43 Wire Gauge Considerations ..............44 Output Terminals 2260B-30/80 ............45 Using the Output Terminal Cover 2260B-30/80 ......47 Output Terminals 2260B-250/800 ............

  • Page 43: Operation

    OPERATION Remove Test Sequence ................99 Test Sequence Error Messages ............100...

  • Page 44: Set Up

    2260B Series User Manual Set Up Line Voltage Connection – 1080W Models The 1080W (2260B-30-108/80-40/ 250-13/800-4) Background models use a universal power input that can be used with 100 and 200 VAC systems. To connect or replace the power cord, use the procedure below: The following procedure should only be attempted Warning...
  • Page 45 OPERATION 4. Slide the cover off the AC terminals. 5. Remove the AC power cord wires. 1. Connect the AC power Installation cord wires to the AC input terminals. White/Blue  Neutral (N)  Green/Green-  yellowGND ( Black/Brown  Line (L) ...

  • Page 46: Filter Installation

    2260B Series User Manual Filter Installation The 2260B has a small filter that must first be Background inserted under the control panel before operation. The small filter must be inserted for all models types (360W/720W/1080W). 1. Insert the small filter in the open area under the Steps control panel.

  • Page 47: Power Up

    OPERATION Power Up 1. 360W or 720W models: Steps Connect the power cord to the rear panel socket. 1080W models: Connect Page 40 the power cord to the universal power input. 2. Press the POWER key. If used for the first time, the default settings will appear on the display, otherwise the 2260B recovers the state right before the power was last turned OFF.

  • Page 48: Wire Gauge Considerations

    2260B Series User Manual Wire Gauge Considerations Before connecting the output terminals to a Background load, the wire gauge of the cables should be considered. It is essential that the current capacity of the load cables is adequate. The rating of the cables must equal or exceed the maximum current rated output of the instrument.

  • Page 49: Output Terminals 2260B-30/80

    OPERATION Output Terminals 2260B-30/80 Before connecting the output terminals to the Background load, first consider whether voltage sense will be used, the gauge of the cable wiring and the withstand voltage of the cables and load. The output terminals can be connected to load cables using M4 sized screws or M8 sized bolts.
  • Page 50 2260B Series User Manual 5. Choose a suitable crimp for the terminals. 6. If using voltage sense, remove the Page 71 sense terminal joining plates and connect sensing wires to the load(s). 7. Connect the positive load cable to the positive output terminal and the negative cable to the negative output terminal.

  • Page 51: Using The Output Terminal Cover 2260B-30/80

    OPERATION Using the Output Terminal Cover 2260B-30/80 1. Remove the screw holding the top cover to the Steps bottom cover. 2. Line-up the bottom cover with the notches in the output terminals. 3. Place the top terminal cover over the bottom cover.
  • Page 52 2260B Series User Manual Reverse the procedure to remove the terminal Removal covers.

  • Page 53: Output Terminals 2260B-250/800

    OPERATION Output Terminals 2260B-250/800 The high voltage models (2260B-250 and 2260B Background -800 models) use a 9 pin socket for the output voltage and sense connections. The corresponding plugs should be used to connect the terminals to the appropriate cable. Before connecting the output terminals to the load, first consider whether voltage sense will be used, the gauge of the cable wiring and the...
  • Page 54 2260B Series User Manual -V: -V terminals (x3) Output Connector -S: -Sense terminal Pinout NC: Not connected +S: +Sense terminal +V: +V terminals N.C. (x3) Unscrew the Wiring the Loosen appropriate terminal Connector Plug anticlockwise to Tighten release the receptacle. b.
  • Page 55 OPERATION Please note the wire gauge used and the capacity WARNING of the plug/socket. It may be necessary to wire the load to a number of terminals to offset the capacity over a number of terminals. 6. If using local sense, connect the -S pin to a -V pin, and connect the +S pin to a +V pin.
  • Page 56 2260B Series User Manual Local Sense Wiring To negative potential To positive potential Remote Sense Wiring To negative potential To positive potential...

  • Page 57: Using The Output Terminal Cover 2260B-250/800

    OPERATION Using the Output Terminal Cover 2260B-250/800 1. Screw the bottom Steps cover onto the rear panel using the two M4 screws. 2. Slide the top cover over the bottom cover. 3. Finally, secure the top cover with the screw in the center of the top cover.

  • Page 58: Using The Rack Mount Kit

    2260B Series User Manual Using the Rack Mount Kit The 2260B series has an optional Rack Mount Background Kit (Part number: [JIS] 2260B-RMK-JIS , [EIA] 2260B-RMK-EIA) that can be used to hold 6x 2260B 360W models, 3x 720W models, 2x 1080W models or a combination of all models (1x 360W, 1x 720W and 1x 1080W).
  • Page 59 OPERATION 4. Repeatedly press the Voltage knob Voltage until the last digit is highlighted. This will allow the voltage to be edited in 0.01 volt steps. 5. Turn the Voltage knob till 0.05 volts is shown. Voltage → 6. Repeatedly press the Voltage knob until the first digit is highlighted.

  • Page 60: Reset To Factory Default Settings

    2260B Series User Manual Reset to Factory Default Settings The F-88 configuration setting allows the 2260B Background to be reset back to the factory default settings. See page 173 for the default factory settings. 8. Press the Function key. The Steps Function key will light up.

  • Page 61: View System Version And Build Date

    OPERATION View System Version and Build Date The F-89 configuration setting allows you to Background view the 2260B version number, build date, keyboard version, analog-control version and kernel build. 14. Press the Function key. The Steps Function key will light up. 15.
  • Page 62 2260B Series User Manual 0-XX: Main Program Version F-89 1-XX: Main Program Version 2-XX: Main Program Build On-Year. 3-XX: Main Program Build On-Year. 4-XX: Main Program Build On-Month. 5-XX: Main Program Build On-Day. 6-XX: Keyboard CPLD version. 7-XX: Keyboard CPLD version. 8-XX: Analog CPLD version.
  • Page 63 OPERATION Kernel Version: 2013/03/22 Example C-20: Kernel Build On-Year. D-13: Kernel Build On-Year. E-03: Kernel Build On-Month. F-22: Kernel Build On-Day.

  • Page 64: Basic Operation

    2260B Series User Manual Basic Operation This section describes the basic operations required to operate the power supply. Setting OVP/OCP → from page 60  CV mode → from page 63  CC mode → from page 66  Display modes → page 69 ...
  • Page 65 OPERATION Before setting the OVP or OCP level: Ensure the load is not connected.  Ensure the output is set to off.  Setting Ranges 2260B (360W) 30-36 80-13 250-4 800-1 OVP Range (V) 3-33 8-88 20-275 20-880 OCP Range (A) 3.6-39.6 1.35-14.85 0.45-4.95...
  • Page 66 2260B Series User Manual 3. Use the Voltage knob to set the OVP Level Voltage OVP level. 4. Use the Current knob to set the OCP Level Current OCP level. 5. Press OVP/OCP again to exit. The OVP/OCP indicator will turn off. Set F-95 (Power switch trip) to 1 (to Power switch trip Page 120...

  • Page 67: Set To Cv Mode

    OPERATION Set to CV Mode When setting the power supply to constant voltage mode, a current limit must also be set to determine the crossover point. When the current exceeds the crossover point, the mode switches to CC mode. For details about CV operation, see page 25. CC and CV mode have two selectable slew rates: High Speed Priority and Slew Rate Priority.
  • Page 68 2260B Series User Manual 5. Press the Voltage knob to save the Voltage configuration setting. ConF will be displayed when successful. 6. If CV Slew Rate Priority was chosen as the operating mode in steps 3~5, set F-04 (Rising Voltage Slew Rate) and F-05 (Falling Voltage Slew Rate) and save.
  • Page 69 OPERATION Notice the Set key becomes illuminated when Note setting the current or voltage. If the Voltage or Current knobs are unresponsive, press the Set key first. 10. Press the Output key. The Output key becomes illuminated. CV and the Power Bar will become illuminated (top left &...

  • Page 70: Set To Cc Mode

    2260B Series User Manual Set to CC Mode When setting the power supply to constant current mode, a voltage limit must also be set to determine the crossover point. When the voltage exceeds the crossover point, the mode switches to CV mode. For details about CC operation, see page 25.
  • Page 71 OPERATION 5. Press the Voltage knob to save the Voltage configuration setting. ConF will be displayed when successful. 6. If CC Slew Rate Priority was chosen as the operating mode, set F-06 (Rising Current Slew Rate) and F-07 (Falling Current Slew Rate) and save.
  • Page 72 2260B Series User Manual 9. Use the Current knob to set the Current current. Push in the knob to highlight a digit. Turn the knob to the desired digit to adjust. Rotate the knob to the desired current. Notice the Set key becomes illuminated when Note setting the current or voltage.

  • Page 73: Display Modes

    OPERATION Display Modes The 2260B power supplies allow you to view the output in three different modes: voltage and current, voltage and power or current and power. 11. Press the PWR/DSPL key. The Steps PWR DSPL key lights up. 12. The display changes to voltage and power (V/W).

  • Page 74: Panel Lock

    2260B Series User Manual Panel Lock The panel lock feature prevents settings from being changed accidentally. When activated, the Lock/Local key will become illuminated and all keys and knobs except the Lock/Local key and Output key (if active) will be disabled. If the instrument is remotely controlled via the USB/LAN interface, the panel lock is automatically enabled.

  • Page 75: Remote Sense

    OPERATION Remote Sense Remote sense is used to compensate for the voltage drop seen across load cables due to the resistance inherent in the load cables. The remote sense terminals are connected to the load terminals to determine the voltage drop across the load cables. Remote sense can compensate up to 0.6 volts for 30V/80V models and 1V for 250V/800V models (compensation voltage).
  • Page 76 2260B Series User Manual 2. Operate the instrument as normal. Page 60 See the Basic Operation chapter for details. 1. Connect the Sense+ terminals to the positive Parallel 2260B potential of the load. Connect the Sense- Units terminals to the negative potential of the load. Page 45 2260B #1 Load...
  • Page 77 OPERATION 1. a. Connect the 1 Sense+ terminal to the Serial 2260B positive potential of the load. Units b. Connect the 1 Sense- terminal to the positive output terminal of the second 2260B unit. c. Connect the 2 Sense+ terminal to the positive terminal of the second 2260B unit.
  • Page 78 2260B Series User Manual To help to minimize the oscillation due to the Wire Shielding inductance and capacitance of the load cables, and Load line impedance use an electrolytic capacitor in parallel with the load terminals. To minimize the effect of load line impedance use twisted wire pairing.

  • Page 79: Parallel / Series Operation

    OPERATION Parallel / Series Operation This section describes the basic operations required to operate the power supply in series or parallel. Operating the 2260B power supplies in parallel increases the total power output of the power supply units. When used in series, the total output voltage of the power supplies can be increased.

  • Page 80: Master-Slave Parallel Overview

    2260B Series User Manual Master-Slave Parallel Overview When connecting the 2260B power supplies in Background parallel, up to 3 units can be used in parallel and all units must be of the same model. When the units are used in parallel, a number of precautions and limitations apply.
  • Page 81 OPERATION OVP/ OCP The master unit can shut down slave units  when OVP/OCP is tripped on the master unit (if the slave connector is wired for shut down on alarm). OVP/OCP can be independently tripped on  each slave unit, however the shutdown of the power or output of the unit is disabled.
  • Page 82 2260B Series User Manual Internal Resistance Only the master unit’s internal resistance  settings apply. For 2 units in parallel, the internal resistance is  actually half of the setting value. For 3 units in parallel, the internal resistance is ...

  • Page 83: Master-Slave Parallel Connection

    OPERATION Master-Slave Parallel Connection The Analog Control Connector is used for both Master-Slave serial and parallel connections. The way the Connector connector is configured determines the behavior of the master and slave units. For the complete connector pin assignment, see page 123.
  • Page 84 2260B Series User Manual Master with 1 slave unit: 17 15 24 20 Master unit Slave Unit 1 I MO N CURRENT SHARE OUTPUT ON STATUS OUT ON/OFF CONT ALM STATUS SHUTDOWN STATUS COM STATUS COM FEEDBACK FEEDBACK CURRENT_SUM_1 CURRENT SUM OUT SHUTDOWN ALM STATUS D COM...

  • Page 85: Master-Slave Parallel Operation

    OPERATION 5. Connect the master and slave unit in parallel as shown above. 6. Reattach the terminal covers. Page 47 Ensure the load cables have sufficient Page 44 Note current capacity. Re-attach the Protection dummy plug when not in use. Master-Slave Parallel Operation Before using the power supplies in parallel, the Master-Slave...
  • Page 86 2260B Series User Manual Configuration settings can be checked for both the Note master and slave units by pressing the Function key and checking F-93. Only the Master OVP and OCP level is used for over voltage and current protection. Slave OVP and OCP level is disregarded.
  • Page 87 OPERATION The panel controls are disabled on slave units, Note including the output key. On slave units only the Function key can be used to view the current settings.

  • Page 88: Master-Slave Series Overview

    2260B Series User Manual Master-Slave Series Overview When connecting 2260B power supplies in Background series, up to 2 units can be used in series and all units must be of the same model. When the units are used in series, a number of precautions and limitations apply.
  • Page 89 OPERATION Remote monitoring Voltage monitoring (VMON) and current  monitoring (IMON) are only supported on the master unit. The VMON voltage represents the total voltage  of the all the serialized units. Remote Sense Please see the remote sense chapter for details, ...

  • Page 90: Master-Slave Series Connection

    2260B Series User Manual Model Single unit 2 units Output Voltage/ 2260B-30-36 Output Current 2260B-80-13 160V 13.5A 13.5A 2260B-30-72 2260B-80-27 160V 2260B-30-108 30V 108A 108A 2260B-80-40 160V 40.5A 40.5A Master-Slave Series Connection The Analog Control Connector is used for both Master-Slave serial and parallel connections.
  • Page 91 OPERATION 24 20 Master unit Slave Unit 1 A COM SER SLV IN OUTPUT ON STATUS OUT OFF/ON CONT ALM STATUS SHUTDOWN STATUS COM D COM SHUTDOWN ALM STATUS D COM STATUS COM Series Output Connection Load Master unit Slave unit 1.

  • Page 92: Master-Slave Series Operation

    2260B Series User Manual Ensure load cables have sufficient Page 44 Note current capacity. Re-attach the protection dummy plug when not in use. Master-Slave Series Operation Before using the power supplies in series, the Master-Slave master and slave units need to be configured. Configuration 1.
  • Page 93 OPERATION Only operate the power supplies in series if the Master-Slave units are configured correctly. Operation 1. Turn on the master and slave unit. The slave unit will only show the voltage of its own unit. The master unit will show the combined voltage of both units and the current.

  • Page 94: Test Sequence

    2260B Series User Manual Test Sequence This section describes how to use the Utility function to run, load and save test sequences for automated testing. The Utility function is useful if you want to perform a number of tests automatically. The 2260B utility function can store ten test sequences in memory.

  • Page 95: Test Sequence File Format

    OPERATION Test Sequence File Format A test sequence file describes a sequence of steps that are output when the test sequence is run. The test sequence file is created on a PC in a *.CSV (comma separated values) format. In a CSV file each field is delimited by a comma.
  • Page 96 2260B Series User Manual Cycle Step Start: Determines the starting step for the Cycle Repeat field. Range: 1~999. The Cycle Step Start field must be less than the Cycle Step End field. Cycle Step End: Determines the ending step for the Cycle Repeat field.
  • Page 97 OPERATION In the example below there are 10 steps in total. Example: As designated by the Cycle fields, steps 3~5 are repeated twice. In total the steps will run as follows: Step: 1>2>3>4>5>3>4>5>6>7>8>9>10 Steps 3~5 are repeated twice Cycle,2,3,5 File: T001.csv Step,Time(sec),Voltage (V),Current (A) 1,1,MIN,MIN 2,1,0.05,0.05...

  • Page 98: Test Sequence Settings

    2260B Series User Manual Test Sequence Settings Runs the chosen test sequence from the internal Test sequence memory. A test sequence must first be loaded into the internal memory before it can be run. See the Utility function “Test Sequence Load”, below.

  • Page 99: Setting The Test Sequence Settings

    OPERATION Setting the Test Sequence Settings The test sequence settings (T-01~T-04) are set Steps with the Utility key. 1. Press the Utility key. The Utility key will light up. 2. The display will show T-01 on the top and the memory no.

  • Page 100: Load Test Sequence From Usb

    2260B Series User Manual Press the Utility key again to exit Exit the Test sequence settings. The Utility key light will turn off. Load Test Sequence from USB Before a test sequence can be run, it must first Overview be loaded into a one of the 10 memory save slots.

  • Page 101: Run Test Sequence

    OPERATION If the USB drive is not recognized, check to see Note that the function settings for F-20 = 1 (page 113). If not, reinsert the USB flash drive. 3. Configure T-02 (Test sequence Page 95 Load) to 1~10 (save memory slot) T-02 range 1~10 (t001 ~t010) 4.

  • Page 102: Export Test Sequence To Usb

    2260B Series User Manual Error messages: If you try to run a test sequence Note from an empty memory location “Err 003” will be displayed on the display. When a test sequence starts to run, there is no way Note to abort the test sequence.
  • Page 103 OPERATION 2. Turn on the power. MS (Mass Storage) will be displayed on the screen after a few seconds if the USB drive is recognized. If the USB drive is not recognized, check to see Note that the function settings for F-20 = 1 (page 113). If not, reinsert the USB flash drive.
  • Page 104 2260B Series User Manual 1. Select T-04 (Test Sequence Steps Page 95 Remove) and choose which test sequence to remove from the internal memory. T-04 range 1~10 2. The test sequence will be removed from the internal memory slot. Error messages: If you try to remove a test Note sequence from an empty memory location “Err 003”...
  • Page 105 OPERATION _SEQ_ERR__PARAMETER_DATA_TO_LONG _SEQ_ERR__CYCLE_START_GREATER_THAN_CYCLE _END _SEQ_ERR__CYCLE_TIMES_ERROR _SEQ_ERR__CYCLE_TIMES_OVER_RANGE _SEQ_ERR__NO_CYCLE_TIMES _SEQ_ERR__CYCLE_START_ERROR _SEQ_ERR__CYCLE_START_OVER_RANGE _SEQ_ERR__NO_CYCLE_START _SEQ_ERR__CYCLE_END_ERROR _SEQ_ERR__CYCLE_END_OVER_RANGE _SEQ_ERR__NO_CYCLE_END _SEQ_ERR__STEP_DATA_ERROR _SEQ_ERR__STEP_DATA_OVER_RANGE _SEQ_ERR__NO_STEP_DATA _SEQ_ERR__POINT_DATA_ERROR _SEQ_ERR__START_POINT_GREATER_THAN_END_ POINT _SEQ_ERR__START_POINT_REPEAT _SEQ_ERR__END_POINT_REPEAT _SEQ_ERR__OUTPUT_DATA_ERROR _SEQ_ERR__TIME_DATA_ERROR _SEQ_ERR__NEGATIVE_TIME _SEQ_ERR__TIME_OVER_RANGE _SEQ_ERR__VOLTAGE_DATA_ERROR _SEQ_ERR__NEGATIVE_VOLTAGE _SEQ_ERR__VOLTAGE_TOO_LARGE _SEQ_ERR__VOLTAGE_TOO_SMALL _SEQ_ERR__CURRENT_DATA_ERROR _SEQ_ERR__NEGATIVE_CURRENT _SEQ_ERR__CURRENT_TOO_LARGE _SEQ_ERR__CURRENT_TOO_SMALL...

  • Page 106: Configuration

    2260B Series User Manual ONFIGURATION Configuration ............103 Configuration Table ................103 Normal Function Settings ..............108 USB/GPIB Settings ................113 LAN Settings ..................114 System Settings ..................115 Power On Configuration Settings............116 Calibration ....................117 Setting Normal Function Settings............118 Setting Power On Configuration Settings .........

  • Page 107: Configuration

    CONFIGURATION Configuration Configuration of the 2260B power supplies is divided into five different configuration settings: Normal Function, USB/GPIB, LAN, Power ON Configuration, Calibration Settings and System Settings. Power ON Configuration differs from the other settings in that the settings used with Power ON Configuration settings can only be set during power up.
  • Page 108 2260B Series User Manual 0.01A/s~72.00A/s (2260B-30-36) 0.1A/s~144.0A/s (2260B-30-72) 0.1A/s~216.0A/s (2260B-30-108) 0.01A/s~27.00A/s (2260B-80-13) 0.01A/s~54.00A/s (2260B-80-27) 0.01A/s~81.00A/s (2260B-80-40) Rising current slew rate F-06 0.001A/s~9.000A/s (2260B-250-4) 0.01A/s~18.00A/s (2260B-250-9) 0.01A/s~27.00A/s (2260B-250-13) 0.001A/s~2.880A/s (2260B-800-1) 0.001A/s~5.760A/s (2260B-800-2) 0.001A/s~8.640A/s (2260B-800-4) 0.01A/s~72.00A/s (2260B-30-36) 0.1A/s~144.0A/s (2260B-30-72) 0.1A/s~216.0A/s (2260B-30-108) 0.01A/s~27.00A/s (2260B-80-13) 0.01A/s~54.00A/s (2260B-80-27) 0.01A/s~81.00A/s (2260B-80-40) Falling current slew rate F-07...
  • Page 109 CONFIGURATION 0 = Panel lock: allow output off Lock Mode F-19 1 = Panel lock: allow output on/off USB/GPIB settings Front panel USB State F-20 0 = Absent, 1 = Mass Storage 0 = Absent, 2 = USB-CDC, 3 = GPIB- Rear panel USB State F-21 USB adapter...
  • Page 110 2260B Series User Manual 0 = Disable Factory Set Value F-88 1 = Return to factory settings 0, 1 = 2260B version 2, 3 = 2260B build year 4, 5 = 2260B build month/day 6, 7 = Keyboard CPLD version Show Version F-89 8, 9 = Analog-Control CPLD version...
  • Page 111 CONFIGURATION Power On and Calibration settings can only be set *Note during power up.

  • Page 112: Normal Function Settings

    2260B Series User Manual Normal Function Settings Delays turning the output on for a designated Output ON Delay amount of time. The Delay indicator will light Time when the Delay time is not 0. Note: The Output ON Delay Time setting has a maximum deviation (error) of 20ms.
  • Page 113 CONFIGURATION Selects High Speed Priority or Slew Rate V-I Mode Priority for CV or CC mode. The voltage or current slew rate can only be edited if CC/CV Slew Rate Priority is selected. The ISR indicator will be lit for CC Slew Rate Priority and the VSR indicator will be lit for CV Slew Rate Priority.
  • Page 114 2260B Series User Manual Sets the rising current slew rate. Only Rising Current applicable if V-I Mode is set to CC Slew Rate Slew Rate Priority. F-06 0.01A/s~72.00A/s (2260B-30-36) 0.1A/s~144.0A/s (2260B-30-72) 0.1A/s~216.0A/s (2260B-30-108) 0.01A/s~27.00A/s (2260B-80-13) 0.01A/s~54.00A/s (2260B-80-27) 0.01A/s~81.00A/s (2260B-80-40) 0.001A/s~9.000A/s (2260B-250-4) 0.01A/s~18.00A/s (2260B-250-9) 0.01A/s~27.00A/s (2260B-250-13) 0.001A/s~2.880A/s (2260B-800-1)
  • Page 115 CONFIGURATION Sets the internal resistance of the power supply. Internal Resistance F-08 0.000Ω~0.833Ω(2260B-30-36) Settings 0.000Ω~0.417Ω(2260B-30-72) 0.000Ω~0.278Ω(2260B-30-108) 0.000Ω~5.926Ω(2260B-80-13) 0.000Ω~2.963Ω(2260B-80-27) 0.000Ω~1.975Ω (2260B-80-40) 0.00Ω~ 55.55Ω (2260B-250-4) 0.00Ω~ 27.77Ω (2260B-250-9) 0.00Ω~ 18.51Ω (2260B-250-13) 0.0Ω~ 555.5Ω (2260B-800-1) 0.0Ω~ 277.8Ω (2260B-800-2) 0.0Ω~ 185.1Ω (2260B-800-4) Bleeder control turns ON/OFF the bleeder Bleeder Control resistor.
  • Page 116 2260B Series User Manual If the output voltage changes, the time for the Example measurements to update for the three settings measurement times will be approximately: Middle High 0.25sec 1.5sec 2.5sec Determines the behavior of the Output key Lock Mode when the panel lock is on.

  • Page 117: Usb/Gpib Settings

    CONFIGURATION USB/GPIB Settings Displays the front panel USB-A port state. This Front Panel USB setting is not configurable. State F-20 0 = Absent, 1 = Mass Storage Displays the rear panel USB-B port state. This Rear Panel USB setting is not configurable. State 0 = Absent, 2 = USB-CDC, F-21...

  • Page 118: Lan Settings

    2260B Series User Manual LAN Settings Displays the MAC address 1~6. This setting is MAC Address- not configurable. F-30~F-35 0x00~0xFF Turns Ethernet on or off. F-36 0 = Disable, 1 = Enable Turns DHCP on or off. DHCP F-37 0 = Disable, 1 = Enable Sets the default IP address.

  • Page 119: System Settings

    CONFIGURATION Turns a web password on/off. Web Password active F-60 0 = Disable, 1 = Enable Sets the Web password. Web Password F-61 0000 ~ 9999 System Settings Returns the 2260B to the factory default Factory Set Value settings. See page 173 for a list of the default settings.

  • Page 120: Power On Configuration Settings

    2260B Series User Manual Power On Configuration Settings Sets the constant voltage (CV) control mode CV Control between local and external voltage/resistance control. For external voltage control, see page 125 (External Voltage Control of Voltage Output) and page 130 (External Resistance Control of Voltage Output).

  • Page 121: Calibration

    CONFIGURATION Sets the power supply as master or slave. See Master/Slave the parallel/series operation for details, page F-93 0 = Master/Local 1 = Master/Parallel1 2 = Master/Parallel2 3 = Slave/Parallel 4 = Slave/Series Sets the external logic as active high or low. External Out Logic F-94...

  • Page 122: Setting Normal Function Settings

    2260B Series User Manual Setting Normal Function Settings The normal function settings (F-01~F-61, F- 88~F-89) can be easily configured with the Function key. Ensure the load is not connected.  Ensure the output is off.  Function setting F-89 (Show Version) can only be Note viewed, not edited.
  • Page 123 CONFIGURATION 5. Press the Voltage knob to save the Voltage configuration setting. ConF will be displayed when successful. Press the Function key again to exit Exit the configuration settings. The function key light will turn off.

  • Page 124: Setting Power On Configuration Settings

    2260B Series User Manual Setting Power On Configuration Settings The Power On configuration settings can only Background be changed during power up to prevent the configuration settings being inadvertently changed. Ensure the load is not connected.  Ensure the power supply is off. ...
  • Page 125 CONFIGURATION 5. Press the Voltage knob to save the Voltage configuration setting. ConF will be displayed when successful. Cycle the power to save and exit the Exit configuration settings.

  • Page 126: Analog Control

    2260B Series User Manual NALOG CONTROL The Analog Control chapter describes how to control the voltage or current output using an external voltage or resistance, monitor the voltage or current output as well as remotely turning off the output or shutting down the power supply.

  • Page 127: Analog Remote Control Overview

    ANALOG CONTROL Analog Remote Control Overview The 2260B power supply series have a number of analog control options. The Analog Control connectors are used to control output voltage and current using external voltage or resistance. The power supply output and power switch can also be controlled using external switches.
  • Page 128 2260B Series User Manual D COM 2 Connected to the (–S) sense- terminal when remote sense is used. Connected to the negative output terminal when remote sense is not used. CURRENT SUM 3 Current sum output signal when used in parallel mode.

  • Page 129: External Voltage Control Of Voltage Output

    ANALOG CONTROL FEEDBACK 15 Parallel control signal during master-slave parallel operation. A COM 16 Analog signal common. Connected to the sense- terminal when remote sense is used. Connected to the negative output terminal when remote sense is not used. STATUS COM 17 Common for status signals 18, 19, 20, 21 and 22.
  • Page 130 2260B Series User Manual When connecting the external voltage source to Connection the MIL connectors, use shielded or twisted paired wiring. EXT-V 2260B ＋ Analog connector － 2 core shielded wire or twisted Output pair Terminal Pin16 → EXT-V (-) ...
  • Page 131 ANALOG CONTROL 2. Set the F-90 power on Page 120 configuration setting to 1 (CV control – Ext voltage). Be sure to cycle the power after the power on  configuration has been set. 3. Press the Function key and confirm the new configuration settings (F- 90=1).

  • Page 132: External Voltage Control Of Current Output

    2260B Series User Manual External Voltage Control of Current Output External voltage control of the current output is Background accomplished using the MIL-26 connector on the rear panel. A voltage of 0~10V is used to control the full scale current of the instrument, where: Output current = full scale current ×...
  • Page 133 ANALOG CONTROL If the wire shield needs to be grounded at the Connection- alt. voltage source (EXT-V), then the shield cannot shielding also be grounded at the negative (-) terminal output of the 2260B power supply. This would short the output. EXT-V 2260B ＋...

  • Page 134: External Resistance Control Of Voltage Output

    2260B Series User Manual The input impedance for external voltage control is Note 10kΩ. Use a stable voltage supply for the external voltage control. CV and CC Slew Rate Priority are disabled for V-I Note mode (F-03) when using external voltage control. See the normal function settings on page 108.
  • Page 135 ANALOG CONTROL The Ext-R configuration is recommended for Note safety reasons. In the event that the cables become accidentally disconnected, the voltage output will drop to zero. Under similar circumstances using Ext-R , an unexpected high voltage would be output. If switches are used to switch between fixed resistances, use switches that avoid creating open circuits.

  • Page 136: External Resistance Control Of Current Output

    2260B Series User Manual 4. Press the Output key. The voltage can now be controlled with the External resistance. Ensure the resistor(s) and cables used exceed the Note isolation voltage of the power supply. For example: insulation tubes with a withstand voltage higher than the power supply can be used.
  • Page 137 ANALOG CONTROL The Ext-R configuration is recommended for Note safety reasons. In the event that the cables become accidentally disconnected, the current output will drop to zero. Under similar circumstances using Ext-R , an unexpected high current would be output. If switches are used to switch between fixed resistances, use switches that avoid creating open circuits.

  • Page 138: External Control Of Output

    2260B Series User Manual 4. Press the Output key. The current can now be controlled with the External resistance. Ensure the resistor(s) and cables used exceed the Note isolation voltage of the power supply. For example: insulation tubes with a withstand voltage higher than the power supply can be used.
  • Page 139 ANALOG CONTROL Switch 2260B Connection Analog connector 2 core shielded wire or twisted Output pair Terminal Pin2 → Switch  Pin24 → Switch  Wire shield → negative (-) output terminal  1. Connect the external switch according to the Steps connection diagrams above.
  • Page 140 2260B Series User Manual When using a switch over long distances, please Note use a switch relay to extend the line from the coil side of the relay. Switch Relay Line Analog connector extention If a single switch control is to be used for multiple Output Terminal units, please isolate each instrument.

  • Page 141: External Control Of Shutdown

    ANALOG CONTROL External control of Shutdown The output of the power supplies can be Background configured to shut down via an external switch. The ability to externally shut down the power supply must first be enabled in the power on configuration settings.
  • Page 142 2260B Series User Manual When using a switch over long distances, please Note use a switch relay to extend the line from the coil side of the relay. Switch Relay Line Analog connector extention Output If a single switch control is to be used for multiple Terminal units, please isolate each instrument.

  • Page 143: Remote Monitoring

    ANALOG CONTROL Remote Monitoring The 2260B power supplies have remote monitoring support for current and voltage output. They also support monitoring of operation and alarm status. External monitoring of output voltage and current → from page  External monitoring of operation mode and alarm status → from ...
  • Page 144 2260B Series User Manual 2260B VMON Connection Analog connector V MON → Output Terminal Pin16 → Neg (-)  Pin10 → Pos (+)  IMON 2260B Connection Analog connector I MON → Output Terminal Pin16 → Neg (-)  Pin11 → Pos (+) ...

  • Page 145: External Operation And Status Monitoring

    ANALOG CONTROL External Operation and Status Monitoring The MIL 26 pin connector can also be used to Background monitor the status operation and alarm status of the instrument. The pins are isolated from the power supply internal circuitry by photo couplers. Status Com (Pin 17) is a photo coupler emitter output, while pins 18~22 are photo coupler collector outputs.
  • Page 146 2260B Series User Manual Below are 4 example timing diagrams covering Timing diagrams a number fo scenarios. Note that pins 18~22 are all active low. The diagram below shows the timing diagram CV MODE: when the output is turned on when the 2260B is Output turned on set to CV mode.
  • Page 147 ANALOG CONTROL The diagram below shows the timing diagram CC MODE: when the output is turned on when the 2260B is Output turned on set to CC mode. CV status CC status Output status The diagram below shows the output status CC MODE: lines when the output is turned off in CC mode.
  • Page 148 2260B Series User Manual OMMUNICATION INTERFACE This chapter describes basic configuration of IEEE488.2 based remote control. For a command list, refer to the programming manual. Interface Configuration ........145 USB Remote Interface ................145 Configure GPIB Interface ..............145 Configure Ethernet Connection ............147 Web Server Configuration ............

  • Page 149: Communication Interface

    COMMUNICATION INTERFACE Interface Configuration USB Remote Interface Type A, host PC side configuration connector Rear panel Type B, slave 2260B side connector 1.1/2.0 (full speed/high speed) Speed CDC (communications device USB Class class) 1. Connect the USB cable to the rear Steps panel USB B port.
  • Page 150 2260B Series User Manual Type A plug From computer From Type B plug on 2260B GPIB to USB adapter 4. Turn the 2260B on. 5. Press the Function key to enter the Page 118 Normal configuration settings. Set the following GPIB settings Set the rear panel USB port to F-22 = 1 GPIB-USB...

  • Page 151: Configure Ethernet Connection

    COMMUNICATION INTERFACE Configure Ethernet Connection The Ethernet interface can be configured for a number of different applications. Ethernet can be configured for basic remote control or monitoring using a web server or it can be configured as a socket server. The 2260B series supports both DHCP connections so the instrument can be automatically connected to an existing network or alternatively, network settings can be manually configured.

  • Page 152: Sockets Server Configuration

    2260B Series User Manual 2. Press the Function key to enter the Page 118 Normal configuration settings. Set the following LAN settings: F-36 = 1 Enable LAN F-37 = 1 Turn DHCP to enable F-59 = 1 Turn the web server on It may be necessary to cycle the power or refresh Note the web browser to connect to a network.

  • Page 153: Usb Function Check

    COMMUNICATION INTERFACE F-45 = 128 Subnet Mask part 3 of 4 F-46 = 0 Subnet Mask part 4 of 4 F-43 = 172 Gateway part 1 of 4 F-44 = 16 Gateway part 2 of 4 F-45 = 21 Gateway part 3 of 4 F-46 = 101 Gateway part 4 of 4 F-57 = 1...
  • Page 154 2260B Series User Manual 2. From the Configuration panel access; My System>Devices and Interfaces 3. Select "COM7". 4. Press Open VISA Test Panel. The displayed COM port No. may differ with the Note...
  • Page 155 COMMUNICATION INTERFACE picture shown here. It depends on the virtual COM port number in your system. Here "COM7" is the Virtual COM port assigned to the 2260B. 5. Click the Configuration icon. 6. In the I/O Settings tab, select the Enable Termination Character check box.

  • Page 156: Web Server Remote Control Function Check

    2260B Series User Manual For further details, please see the programming Note manual. Web Server Remote Control Function Check Enter the IP address of the power supply in a Functionality web browser after the instrument has been check configured as a web server (page 147). http:// XXX.XXX.XXX.XXX The web browser interface appears.

  • Page 157: Socket Server Function Check

    COMMUNICATION INTERFACE Socket Server Function Check To test the socket server functionality, National Background Instruments Measurement and Automation Explorer can be used. This program is available on the NI website, www.ni.com., via a search for the VISA Run-time Engine page, or “downloads”...
  • Page 158 2260B Series User Manual 4. Select Visa TCP/IP Resource. 5. Select Manual Entry of Raw Socket from the popup window. 6. Click Next. 7. Enter the IP address and the port number of the 2260B. The port number is fixed at 2268. 8.
  • Page 159 COMMUNICATION INTERFACE 10. Next configure the Alias (name) of the 2260B connection. In this example the Alias is: PS_DC1 11. Click finish. 12. The IP address of the 2260B will now appear under Network Devices in the configuration panel. Select this icon now.
  • Page 160 2260B Series User Manual 13. Press Open VISA Test Panel. 14. Click Configuration icon. 15. In the I/O Settings tab, select the Enable Termination Character check box. Ensure Line Feed - \n is selected as the line feed character. 16. Click Apply Changes. 17.
  • Page 161 COMMUNICATION INTERFACE 20. The *IDN? query should be returned to the buffer area. For further details, please see the programming Note manual.

  • Page 162: Firmware Upgrade Procedure

    FIRMWARE UPGRADE PROCEDURE IRMWARE UPGRADE PROCEDURE Firmware Update ..........159 Check the Firmware Version ......... 162 Kernel Update ............164 Check the Kernel Version ........167...

  • Page 163: Firmware Update

    FIRMWARE UPGRADE PROCEDURE Firmware Update The firmware can be upgraded using the USB A Background port on the front panel. Ensure the load is not connected.  Note Ensure the output is off.  1. Insert a USB Flash Drive into the USB port on the front panel of the Keithley 2260B.
  • Page 164 2260B Series User Manual 6. Use the current knob to set the Current Password for the F-00 setting. The Password is “5 0 0 4”. 7. Press the Voltage knob to enter the Voltage Special Mode. SF- 1 will be displayed when successful.
  • Page 165 FIRMWARE UPGRADE PROCEDURE 12. On progressing, the display will look as shown below. 13. When the display looks as shown below, the system will reboot automatically.

  • Page 166: Check The Firmware Version

    2260B Series User Manual Check the Firmware Version The F-89 configuration setting allows you to Background view the 2260B version number, build date, keyboard version, analog-control version and kernel build. 1. Press the Function key. The Steps Function key will light up. 2.
  • Page 167 FIRMWARE UPGRADE PROCEDURE 0-XX: Main Program Version F-89 1-XX: Main Program Version 2-XX: Main Program Build On-Year. 3-XX: Main Program Build On-Year. 4-XX: Main Program Build On-Month. 5-XX: Main Program Build On-Day. 6-XX: Keyboard CPLD version. 7-XX: Keyboard CPLD version. 8-XX: Analog CPLD version.

  • Page 168: Kernel Update

    2260B Series User Manual Kernel Update Ensure the load is not connected.  Note Ensure the output is off.  1. Insert the USB Flash Drive with keithley. 2. The keithley folder includes ps_os.blk. 3. Press the Function key. The function key will light up.
  • Page 169 FIRMWARE UPGRADE PROCEDURE 6. The display will show F-00 on the top and 0000 for the Password for F-00. 7. Use the current knob to set the Current Password for the F-00 setting. The Password is “5 0 0 4”. 8.
  • Page 170 2260B Series User Manual 12. Press the Voltage knob to copy the Voltage new kernel to the 2260B. 13. On progressing, the display will look as follows. 14. After the update has finished, SF- 6 and ok will be displayed. 3 sec 15.

  • Page 171: Check The Kernel Version

    FIRMWARE UPGRADE PROCEDURE Check the Kernel Version The F-89 configuration setting allows you to Background view the 2260B version number, build date, keyboard version, analog-control version and kernel build. 1. Press the Function key. The Steps Function key will light up. 2.
  • Page 172 2260B Series User Manual 0-XX: Main Program Version F-89 1-XX: Main Program Version 2-XX: Main Program Build On-Year. 3-XX: Main Program Build On-Year. 4-XX: Main Program Build On-Month. 5-XX: Main Program Build On-Day. 6-XX: Keyboard CPLD version. 7-XX: Keyboard CPLD version. 8-XX: Analog CPLD version.

  • Page 173: Maintenance

    MAINTENANCE AINTENANCE The 2260B power supply filters should be replaced on a periodic schedule to maintain performance and specification characteristics. Replacing the Dust Filter ..............170...
  • Page 174 2260B Series User Manual Replacing the Dust Filter The dust filter should be replaced at least 2 times a year. Not replacing the filter on a regular basis will reduce performance and may cause the unit to overheat. 1. Turn the instrument off. Front panel filter (all models) 2.

  • Page 175: Faq

    • The power supply won’t let me change the mode (CV mode ↔ CC mode). • The OVP voltage is triggered earlier than expected. • Can I combine more than 1 cable together for the output wiring? • The accuracy does not match the specification. The power supply won’t let me change the mode (CV mode ↔...
  • Page 176 The accuracy does not match the specification. Make sure the device is powered On for at least 30 minutes, within +20°C~+30°C. This is necessary to stabilize the unit to match the specification. For more information, contact your local Tektronix-Keithley representative.

  • Page 177: Appendix

    APPENDIX PPENDIX 2260B Default Settings The following default settings are the factory configuration settings for the power supply (Function settings/Test settings). For details on how to return to the factory default settings, see page Default Setting Initial Settings Output LOCK 0 (Disabled) Voltage Current...
  • Page 178 2260B Series User Manual Rising current slew rate F-06 72.00A/s (2260B-30-36) 144.0A/s (2260B-30-72) 216.0A/s (2260B-30-108) 27.00A/s (2260B-80-13) 54.00A/s (2260B-80-27) 81.00A/s (2260B-80-40) 9.000A/s (2260B-250-4) 18.00A/s (2260B-250-9) 27.00A/s (2260B-250-13) 2.880A/s (2260B-800-1) 5.760A/s (2260B-800-2) 8.640A/s (2260B-800-4) Falling current slew rate F-07 72.00A/s (2260B-30-36) 144.0A/s (2260B-30-72) 216.0A/s (2260B-30-108) 27.00A/s (2260B-80-13)
  • Page 179 APPENDIX Web setting password F-61 0000 Power On Configuration CV Control F-90 0= Panel control (local) CC Control F-91 0= Panel control (local) Power-ON Output F-92 0 = OFF at startup Master/Slave F-93 0 = Master/Local External Out Logic F-94 0= High ON Power Switch trip F-95...

  • Page 180: Error Messages & Messages

    2260B Series User Manual Error Messages & Messages The following error messages or messages may appear on the 2260B screen during operation. Error Messages Description Err 001 USB Mass Storage is not present Err 002 No (such)file in USB mass storage Err 003 Empty memory location Err 004...

  • Page 181: 2260B Specifications

    APPENDIX 2260B Specifications The specifications apply when the 2260B is powered on for at least 30 minutes. 2260B 360W 2260B-30-36, 2260B-80-13, 2260B-250-4, 2260B-800-1 2260B- 2260B- 2260B- 2260B- Model Unit 30-36 80-13 250-4 800-1 Rated Output Voltage Rated Output Current 13.5 1.44 Rated Output Power Power Ratio...
  • Page 182 2260B Series User Manual Protection Function Over voltage protection (OVP) Setting range 3-33 8-88 20-275 20-880 Setting accuracy ± (2% of rated output voltage) Over current protection (OCP) Setting range 0.144- 3.6-39.6 1.35-14.85 0.45-4.95 1.584 Setting accuracy ± (2% of rated output current) Over temperature protection (OTP) Operation...
  • Page 183 APPENDIX CV/CC/ALM/PWR ON/OUT Photocoupler open collector output; ON indicator Maximum voltage 30V, maximum sink current 8mA.
  • Page 184 2260B Series User Manual Front Panel Display, 4 digits Voltage accuracy at 23˚C±5˚C; ±(0.1% +) mV Current accuracy at 23˚C±5˚C; ±(0.1% +) mA Indications GREEN LED's: CV, CC, VSR, ISR, DLY, RMT, 20, 40, 60, 80, 100, %W, W, V, A RED LED's: ALM Buttons Function, OVP/OCP, Set, Test, Lock/Local,...
  • Page 185 APPENDIX 200Vac Inrush current Less than 25A. Maximum input power Power factor 100Vac 0.99 200Vac 0.97 Efficiency 100Vac 200Vac Hold-up time 20ms or greater Interface Capabilities TypeA: Host, TypeB: Slave, Speed: 1.1/2.0, USB Class: CDC(Communications Device Class) MAC Address, DNS IP Address, User Password, Gateway IP Address, Instrument IP Address, Subnet Mask GPIB...
  • Page 186 2260B Series User Manual Insulation resistance Between input and chassis: 500 Vdc, 100MΩ or more Between input and output: 500 Vdc, 100MΩ or more Between output and chassis: 500 Vdc, 100MΩ or more for 30V, 80V and 250V models. 1000Vdc, 100MΩ or more for 800V models. *1: At 85 ~ 132Vac or 170 ~ 265Vac, constant load.
  • Page 187 APPENDIX 2260B 720W 2260B-30-72, 2260B-80-27, 2260B-250-9, 2260B-800-2 2260B- 2260B- 2260B- 2260B- Model Unit 30-72 80-27 250-9 800-2 Rated Output Voltage Rated Output Current 2.88 Rated Output Power Power Ratio 3.125 Constant Voltage Mode Line Regulation (*1) Load Regulation (*2) Ripple and Noise (*3) p-p (*4) r.m.s (*5) Temperature coefficient...
  • Page 188 2260B Series User Manual Setting range 0.288- 5-79.2 2.7-29.7 0.9-9.9 3.168 Setting accuracy ± (2% of rated output current) Over temperature protection (OTP) Operation Turn the output off. Low AC input protection (AC-FAIL) Operation Turn the output off. Power limit (POWER LIMIT) Operation Over power limit.
  • Page 189 APPENDIX Front Panel Display, 4 digits Voltage accuracy at 23˚C±5˚C; ±(0.1% +) mV Current accuracy at 23˚C±5˚C; ±(0.1% +) mA Indications GREEN LED's: CV, CC, VSR, ISR, DLY, RMT, 20, 40, 60, 80, 100, %W, W, V, A RED LED's: ALM Buttons Function, OVP/OCP, Set, Test, Lock/Local, PWR DSPL, Output...
  • Page 190 2260B Series User Manual 200Vac Inrush current Less than 50A. Maximum input power 1000 Power factor 100Vac 0.99 200Vac 0.97 Efficiency 100Vac 200Vac Hold-up time 20ms or greater...
  • Page 191 APPENDIX Interface Capabilities TypeA: Host, TypeB: Slave, Speed: 1.1/2.0, USB Class: CDC(Communications Device Class) MAC Address, DNS IP Address, User Password, Gateway IP Address, Instrument IP Address, Subnet Mask GPIB Optional: GUG-001 (GPIB to USB Adapter) Environmental Conditions 0˚C to 50˚C Operating temperature -25˚C to 70˚C Storage temperature...
  • Page 192 2260B Series User Manual *3: Measure with JEITA RC-9131B (1:1) probe *4: Measurement frequency bandwidth is 10Hz to 20MHz. *5: Measurement frequency bandwidth is 5Hz to 1MHz. *6: From 10% to 90% of rated output voltage, with rated resistive load. *7: From 90% to 10% of rated output voltage, with rated resistive load.
  • Page 193 APPENDIX 2260B 1080W 2260B-30-108, 2260B-80-40, 2260B-250-13, 2260B-800-4 2260B- 2260B- 2260B- 2260B- Model Unit 30-108 80-40 250-13 800-4 Rated Output Voltage Rated Output Current 40.5 13.5 4.32 Rated Output Power 1080 1080 1080 1080 Power Ratio 3.125 Constant Voltage Mode Line Regulation (*1) Load Regulation (*2) Ripple and Noise (*3) p-p (*4)
  • Page 194 2260B Series User Manual Protection Function Over voltage protection (OVP) Setting range 3-33 8-88 20-275 20-880 Setting accuracy ± (2% of rated output voltage) Over current protection (OCP) Setting range 0.432- 5-118.8 4.05-44.55 1.35-14.85 4.752 Setting accuracy ± (2% of rated output current) Over temperature protection (OTP) Operation...
  • Page 195 APPENDIX CV/CC/ALM/PWR Photocoupler open collector output; ON/OUT ON indicator Maximum voltage 30V, maximum sink current 8mA. Front Panel Display, 4 digits Voltage accuracy at 23˚C±5˚C; ±(0.1% +) mV Current accuracy at 23˚C±5˚C; ±(0.1% +) mA 100 Indications GREEN LED's: CV, CC, VSR, ISR, DLY, RMT, 20, 40, 60, 80, 100, %W, W, V, A RED LED's: ALM Buttons...
  • Page 196 2260B Series User Manual Input Characteristics Nominal input rating 100Vac to 240Vac, 50Hz to 60Hz, single phase Input voltage range 85Vac ~ 265Vac Input voltage range 47Hz ~ 63Hz Maximum input current 100Vac 200Vac Inrush current Less than 75A. Maximum input power 1500 Power factor 100Vac...
  • Page 197 APPENDIX General Specifications Weight (main unit only) Approx. 7.5kg Dimensions (WxHxD) 214×124×350 Cooling Forced air cooling by internal fan. Complies with the European EMC directive 2004/108/EC for Class A test and measurement products. Safety Complies with the European Low Voltage Directive 2006/95/EC and carries the CE- marking.

  • Page 198: 2260B Dimensions

    2260B Series User Manual 2260B Dimensions 360W 2260B-80-13/2260B-30-36 (scale: mm) 47.5 39.5 30.5 14.5 33.8 333.3 332.5 70.8...
  • Page 199 APPENDIX 360W 2260B-250-4/2260B-800-1 (scale: mm) 30.48 20.16 70.8 33.8 333.3 59.9 3.81 11.4 ⌀15.4 ⌀19.7...
  • Page 200 2260B Series User Manual 720W 2260B-80-27/2260B-30-72 (scale: mm) 47.5 39.5 30.5 14.5 33.8 333.3 332.5 141.8 99.6...
  • Page 201 APPENDIX 720W 2260B-250-9/2260B-800-2 (scale: mm) 141.8 130.9 70.9 ⌀15.4 99.6 ⌀19.7 30.48 33.5 333.3 91.16 3.81 82.4...
  • Page 202 2260B Series User Manual 1080W 2260B-80-40/2260B-30-108 (scale: mm) 47.5 39.5 30.5 14.5 33.8 333.3 332.5 212.8 160.6...
  • Page 203 APPENDIX 1080W 2260B-250-13/2260B-800-4 (scale: mm) 212.8 201.9 106.4 ⌀15.4 160.6 ⌀19.7 30.48 33.8 333.3 91.16 3.81 82.42...
  • Page 204 2260B Series User Manual Declaration of Conformity We declare that the below mentioned product Type of Product: Multi-Range DC Power Supply Model Number: 2260B-30-36, 2260B-80-13, 2260B-30-72, 2260B-80-27, 2260B- 30-108, 2260B-80-40, 2260B-250-4, 2260B-800-1, 2260B-250-9, 2260B-800-2, 2260B-250-13, 2260B-800-4 are herewith confirmed to comply with the requirements set out in the Council Directive on the Approximation of the Law of Member States relating to Electromagnetic Compatibility (2004/108/EC) and Low Voltage Directive (2006/95/EC).

  • Page 205: Index

    INDEX NDEX Accessories ......... 13 USB/GPIB settings ....113 utility function settings ....95 Alarm Connector plug manufacturer23, 49 description ........32 Conventions ........ 54 Analog connector CV mode pin assignment ......123 operation ........63 Analog control DECA SwitchLab ....23, 49 output control ......
  • Page 206 2260B Series User Manual List of features ......12 Operation ........88 overview ........84 Load connection Service operation 2260B-250/800 ......49 about disassembly ......6 2260B-30/80/160 ......45 contact ......... 172 Maintenance Slew rate replacing the filter ...... 170 description ........
  • Page 207 All other trademarks and trade names are the property of their respective companies. Keithley Instruments, Inc. Corporate Headquarters • 28775 Aurora Road • Cleveland, Ohio 44139 • 440-248-0400 • Fax: 440-248-6168 • 1-888-KEITHLEY • www.keithley.com A Greater Measure of Confidence A Tektronix Company 08/15...

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