Keithley 2260B-30-72 User Manual
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Keithley 2260B-30-72 User Manual

2260b series, 360w and 720w multi-range programmable dc power supplies
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www.keithley.com
2260B Series
360W and 720W Multi-Range Programmable DC Power
Supplies
User Manual
Rev. A / March 2014
A G reate r Measur e o f Confidenc e
A Tektronix Company

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Summary of Contents for Keithley 2260B-30-72

  • Page 1 2260B Series 360W and 720W Multi-Range Programmable DC Power Supplies User Manual Rev. A / March 2014 A G reate r Measur e o f Confidenc e A Tektronix Company...
  • Page 2 Series 2260B 360W and 720W Multi-Range Programmable DC Power Supplies USER MANUAL ISO-9001 CERTIFIED MANUFACTURER...
  • Page 3 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 our products and reserve the rights to change specification, equipment, and maintenance procedures at any time without notice.

  • Page 4: Table Of Contents

    Table of Contents Table of Contents SAFETY INSTRUCTIONS ............ 3 GETTING STARTED ............7 2260B Series Overview ......8 Appearance .......... 12 Theory of Operation ......18 OPERATION ..............30 Set Up ..........31 Basic Operation ........43 Parallel / Series Operation ....56 Test Sequence ........
  • Page 5 2260B Series User Manual 2260B Specifications ......139 2260B Dimensions ......145 Declaration of Conformity ....147 INDEX ................148...

  • Page 6: 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 7 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 Guideline ...
  • Page 8 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 9 2260B Series User Manual Power cord for the United Kingdom When using the instrument 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 10: 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 11: 2260B Series Overview

    Voltage rating Current rating Power 2260B-30-36 360W models 0~30V 0~36A 360W 2260B-80-13 360W models 0~80V 0~13.5A 360W 2260B-30-72 720W models 0~30V 0~72A 720W 2260B-80-27 720W models 0~80V 0~27A 720W Apart from the differences in output, each unit differs in size. The 720W models are larger than the 360W models to accommodate the increase in power.

  • Page 12: Main Features

    GETTING STARTED Main Features High performance/power Performance  Power efficient switching type power supply  Low impact on load devices  Fast transient recovery time of 1ms  Fast output response time  OVP, OCP and OTP protection Features  Adjustable voltage and current slew rates ...

  • Page 13: Accessories

    2260B Series User Manual Accessories Standard Part number Description Accessories 196353000 Test Leads x1 174627900 USB Cable 020312300 Basic Accessories 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, Output terminal cover (top &...

  • Page 14: 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 15: Appearance

    2260B Series User Manual Appearance 2260B Front Panel 2260B-80-27, 2260B-30-72 (720W) Voltage Display knob Current knob Cover panel Output Power Function switch keys USB A port 2260B-80-13, 2260B-30-36 (360W)
  • Page 16 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 17 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 18: Rear Panel

    GETTING STARTED Rear Panel 2260B-80-27, 2260B-30-72 (720W) 2260B-80-13, 2260B-30-36 (360W)
  • Page 19 2260B Series User Manual 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 20 GETTING STARTED 360W models: 2260B-30-36/2260B- Line Voltage 80-13 Input 720W models: 2260B-30-72/2260B- 80-27 Voltage Input: 100~240 VAC  Line frequency: 50Hz/60 Hz  (Automatically switchable)

  • Page 21: Theory Of Operation

    2260B Series User Manual 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 22 GETTING STARTED 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 23 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 24 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 25 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 26 This allows the power supply to simulate power sources that have internal resistances such as lead acid batteries. Internal Internal Resistance Range Unit Model Resistance Range 2260B-30-36 0.000 ~ 0.833Ω 2260B-30-72 0.000 ~ 0.417Ω 2260B-80-13 0.000 ~ 5.926Ω 2260B-80-27 0.000 ~ 2.963Ω...
  • Page 27 2260B Series User Manual 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. For details on how to set the protection modes, please see page 43.
  • Page 28 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 29 2260B Series User Manual Current limit level Measured Ammeter current When the power supply is connected to a Reverse Current: Regenerative load regenerative load such as a transformer or inverter, reverse current will feed back to the power supply. The 2260B power supply cannot absorb reverse current.
  • Page 30 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 31 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 32 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 33 2260B Series User Manual PERATION Set Up ................31 Filter Installation ...................... 31 Power Up ........................32 Wire Gauge Considerations ..................33 Output Terminals ....................34 Using the Output Terminal Cover ................ 36 Using the Rack Mount Kit ..................37 How to Use the Instrument ...................

  • Page 34: Operation

    OPERATION Set Up 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 model types (360W models/720W models). 1. Insert the small filter in the open area under Steps the control panel.

  • Page 35: Power Up

    2260B Series User Manual Power Up 1. Connect the power cord to Steps the rear panel socket. 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 36: Wire Gauge Considerations

    OPERATION 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 37: Output Terminals

    2260B Series User Manual Output Terminals 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 38 OPERATION 5. Choose a suitable crimp for the terminals. 6. If using voltage sense, remove the Page 53 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 39: Using The Output Terminal Cover

    2260B Series User Manual Using the Output Terminal Cover 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 40: Using The Rack Mount Kit

    OPERATION Reverse the procedure to remove the terminal Removal covers. Using the Rack Mount Kit The 2260B series has an optional Rack Mount Background Kit that can be used to hold 6x 360W models, 3x 360W models or a combination of all models.

  • Page 41: How To Use The Instrument

    2260B Series User Manual How to Use the Instrument The 2260B power supplies use a novel method Background of configuring parameter values only using the Voltage or Current knobs. The knobs are used to quickly edit parameter values at 0.01, 0.1 or 1 unit steps at a time.
  • Page 42 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.

  • Page 43: 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 136 for the default factory settings. 1. Press the Function key. The Steps Function key will light up.

  • Page 44: 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. 1. Press the Function key. The Steps Function key will light up. 2.
  • Page 45 2260B Series User Manual E -XX: Kernel Build On-Month. F-XX: Kernel Build On-Day. 5. Press the Function key again to exit. The function key light will turn off. Main Program Version: V01.09, 2011/08-01 Example 0-01: Main Program Version 1-09: Main Program Version 2-20: Main Program Build On-Year.

  • Page 46: Basic Operation

    OPERATION Basic Operation This section describes the basic operations required to operate the power supply. Setting OVP/OCP → from page 43  CV mode → from page 45  CC mode → from page 48  Display modes → page 51 ...
  • Page 47 2260B Series User Manual Before setting the OVP or OCP level: Ensure the load is not connected.  Ensure the output is set to off.  1. Press the OVP/OCP key. The Steps OVP/OCP key lights up. 2. The OVP setting will be displayed on the top and the OCP setting (or OFF) will be displayed on the bottom.

  • Page 48: Set To Cv Mode

    OPERATION The OVP or OCP protection can be Clear OVP/OCP cleared after it has been tripped by protection holding the OVP/OCP button for 2 (hold) seconds. (Only applicable when the power switch trip setting is disabled [F-95 = 1]) 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.
  • Page 49 2260B Series User Manual 4. Use the Current knob to set the F- Current 03 setting. Set F-03 to 0 (CV High Speed Priority) or 2 (CV Slew Rate Priority). 0 = CV High Speed Priority F-03 2 = CV Slew Rate Priority 5.
  • Page 50 OPERATION 9. Use the Voltage knob to set the Voltage voltage. Push in the knob to highlight a digit. Turn the knob to the desired digit to adjust. Rotate the knob to the desired voltage. Notice the Set key becomes illuminated when Note setting the current or voltage.

  • Page 51: 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 18.
  • Page 52 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. F-06 / F-07 0.01A/s~72.00A/s (2260B-30-36) 0.01A/s~144.0A/s (2260B-30-72) 0.01A/s~27.00A/s (2260B-80-13) 0.01A/s~54.00A/s (2260B-80-27) 7. Press the Function key again to exit the configuration settings. The function key light will turn off.
  • Page 53 2260B Series User Manual 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. CC and the Power Bar will become illuminated (bottom left &...

  • Page 54: 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. 1. Press the PWR/DSPL key. The Steps PWR DSPL key lights up. 2. The display changes to voltage and power (V/W).

  • Page 55: 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 56: 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 (compensation voltage).
  • Page 57 2260B Series User Manual 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. Power supply #1 Load Page 34 Output Input Output Input Sense Sense Power...
  • Page 58 OPERATION Power Page 34 Load supply #1 Output Input Output Input Sense Sense Power supply #2 Output Output Sense Sense 2. Operate the instrument as normal. Page 65 See the Serial Operation chapter for details. To help to minimize the oscillation due to the Wire Shielding and Load line inductance and capacitance of the load cables,...

  • Page 59: Parallel / Series Operation

    2260B Series User Manual 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 60: Master-Slave Parallel Overview

    OPERATION 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 61 2260B Series User Manual 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 ...
  • Page 62 The master unit is used to control the bleeder  settings. The bleeder resistors in all the slave units are always turned off when in parallel mode. Model Single unit 2 units 3 units Output Voltage/ 2260B-30-36 Output Current 108A 2260B-80-13 13.5A 40.5A 2260B-30-72 144A 216A 2260B-80-27...

  • Page 63: Master-Slave Parallel Connection

    2260B Series User Manual 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 To operate the power supplies in parallel, Analog Connector connect the analog connectors on the master...
  • Page 64 OPERATION Master with 1 slave unit: 17 15 24 20 Master unit Slave Unit 1 I MON 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 Parallel Output Master...

  • Page 65: Master-Slave Parallel Operation

    2260B Series User Manual 5. Connect the master and slave unit in parallel as shown above. 6. Reattach the terminal covers. Page 36 Ensure the load cables have sufficient Page 33 Note current capacity. Re-attach the protection dummy plug when not in use.
  • Page 66 OPERATION 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 67 2260B Series User Manual 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 68: Master-Slave Series Overview

    OPERATION 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 69 2260B Series User Manual 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 ...

  • Page 70: Master-Slave Series Connection

    Single unit 2 units Output Voltage/ 2260B-30-36 Output Current 2260B-80-13 160V 13.5 13.5A 2260B-30-72 2260B-80-27 160V Master-Slave Series 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.

  • Page 71: Master-Slave Series Operation

    2260B Series User Manual Series Output Connection Load Master unit Slave unit 1. Ensure the power is off on both power supplies. Steps 2. Choose a master and slave unit. 3. Connect the analog connectors for the master and slave unit as shown above. 4.
  • Page 72 OPERATION 2. For each unit, hold the Function key while turning the power on to enter the power on configuration settings. 3. Configure F-93 (Master/Slave) Page 96 setting for each master/slave unit. F-93 Unit Master (local or series operation) Slave unit (series) 4.
  • Page 73 2260B Series User Manual 2. Operation of all units is controlled Page 40 via the master unit. Operation of the master unit is the same as for a single unit. Please see the basic operation chapter for details. 3. Press the Output key to begin. Only operate the power supplies in series if using CAUTION units of the same model number.

  • Page 74: Test Sequence

    OPERATION 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. Test Sequence File Format→...
  • Page 75 2260B Series User Manual 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 76 OPERATION 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 77 2260B Series User Manual 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)
  • Page 78 OPERATION 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. The test sequence will run as soon as the utility function is started.
  • Page 79 2260B Series User Manual 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 80 OPERATION 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 81 2260B Series User Manual If the USB drive is not recognized, check to see Note that the function settings for F-20 = 1 (page 90). If not, reinsert the USB flash drive. 3. Configure T-02 (Test sequnce Page 76 Load) to 1~10 (save memory slot) T-02 range 1~10 (t001 ~t010) 4.
  • Page 82 OPERATION 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. Pressing the Output key has no effect.
  • Page 83 2260B Series User Manual 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 90). If not, reinsert the USB flash drive.
  • Page 84 OPERATION 1. Select T-04 (Test Sequence Steps Page 76 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 85 2260B Series User Manual _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 86: Configuration

    CONFIGURATION ONFIGURATION Configuration ............... 84 Configuration Table ....................84 Normal Function Settings ..................87 USB/GPIB Settings ....................90 LAN Settings ......................91 System Settings ......................92 Power On Configuration Settings ................. 93 Calibration ......................... 94...

  • Page 87: Configuration

    0.01V/s~60.00V/s (2260B-30-XX) Rising voltage slew rate F-04 0.1V/s~160.0V/s (2260B-80-XX) 0.01V/s~60.00V/s (2260B-30-XX) Falling voltage slew rate F-05 0.1V/s~160.0V/s (2260B-80-XX) 0.01A/s~72.00A/s (2260B-30-36) 0.1A/s~144.0A/s (2260B-30-72) Rising current slew rate F-06 0.01A/s~27.00A/s (2260B-80-13) 0.01A/s~54.00A/s (2260B-80-27) 0.01A/s~72.00A/s (2260B-30-36) 0.1A/s~144.0A/s (2260B-30-72) Falling current slew rate F-07 0.01A/s~27.00A/s (2260B-80-13)
  • Page 88 CONFIGURATION 0.000Ω~0.833Ω (2260B-30-36) Internal resistance 0.000Ω~0.417Ω (2260B-30-72) F-08 setting 0.000Ω~5.926Ω (2260B-80-13) 0.000Ω~2.963Ω (2260B-80-27) Bleeder circuit control F-09 0 = OFF, 1 = ON Buzzer ON/OFF control F-10 0 = ON, 1 = OFF USB/GPIB settings Front panel USB State F-20...
  • Page 89 2260B Series User Manual Web password active F-60 0 = Disable, 1 = Enable Web setting password F-61 0000~9999 System Settings 0 = Disable Factory Set Value F-88 1 = Return to factory settings 0, 1 = Version 2, 3 = Build year 4, 5 = Build month/day 6, 7 = Keyboard CPLD version Show Version...

  • Page 90: Normal Function Settings

    CONFIGURATION 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 91 2260B Series User Manual 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 92 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 ~5.926Ω (2260B-80-13) 0.000Ω ~2.963Ω (2260B-80-27) Bleeder control turns ON/OFF the bleeder Bleeder Control resistor. Bleeder resistors discharge the filter capacitors after power is turned off as a safety measure.

  • Page 93: Usb/Gpib Settings

    2260B Series User Manual 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.

  • Page 94: Lan Settings

    CONFIGURATION 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 95: System Settings

    2260B Series User Manual 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.

  • Page 96: Power On Configuration Settings

    CONFIGURATION 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 101 (External Voltage Control of Voltage Output) and page 106 (External Resistance Control of Voltage Output). F-90 0= Panel control (local) 1 = External voltage control...

  • Page 97: Calibration

    2260B Series User Manual 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 0= High ON, 1 = Low ON Turns the power off if enabled when the Power Switch Trip protection settings are tripped.
  • Page 98 CONFIGURATION 1. Press the Function key. The Steps function key will light up. 2. The display will show F-01 on the top and the configuration setting for F-01 on the bottom. Voltage 3. Rotate the Voltage knob to change the F setting. F-00~ F-61, F-88~F-89 Range 4.
  • Page 99 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 100 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 101: 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 102: 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 103 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 104: External Voltage Control Of Voltage Output

    ANALOG CONTROL 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. CV STATUS 18 Turns on when CV mode is active.
  • Page 105 2260B Series User Manual When connecting the external voltage source to Connection the MIL connectors, use shielded or twisted paired wiring. Power EXT-V supply ＋ Analog connector － 2 core shielded wire or twisted Output pair Terminal Pin16 → EXT-V (-) ...
  • Page 106 ANALOG CONTROL 2. Set the F-90 power on Page 96 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 107: 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 108 ANALOG CONTROL If the wire shield needs to be grounded at the Connection- alt. shielding voltage source (EXT-V), then the shield cannot also be grounded at the negative (-) terminal output of the 2260B power supply. This would short the output. Power EXT-V supply...

  • Page 109: 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 87.
  • Page 110 ANALOG CONTROL The Ext-R configuration is recommended for Note safety reasons. In the event that the cables become accidentaly disconnected, the voltage output will drop to zero. Under similar circumstances using Ext-R , an unexpected high voltage would be output. If swtiches are used to switch between fixed resistances, use switches that avoid creating open circuits.

  • Page 111: 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 112 ANALOG CONTROL The Ext-R configuration is recommended for Note safety reasons. In the event that the cables become accidentaly disconnected, the current output will drop to zero. Under similar circumstances using Ext-R , an unexpected high current would be output. If swtiches are used to switch between fixed resistances, use switches that avoid creating open circuits.

  • Page 113: External Control Of Output

    2260B Series User Manual 3. 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 114 ANALOG CONTROL Power Switch supply 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 115 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 116: 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 117 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 118: 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 119 2260B Series User Manual Power supply VMON Connection Analog connector V MON → Output Terminal Pin16 → Neg (-)  Pin10 → Pos (+)  Power IMON supply Connection Analog connector I MON → Output Terminal Pin16 → Neg (-) ...

  • Page 120: 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 121 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 122 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 123 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 ..........121 USB Remote Interface ..................121 Configure GPIB Interface ..................121 Configure Ethernet Connection ................123 Web Server Configuration ..............

  • Page 124: 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 125 2260B Series User Manual Type A plug From computer From Type B plug on Power supply GPIB to USB adapter 4. Turn the 2260B on. 5. Press the Function key to enter the Page 94 Normal configuration settings. Set the following GPIB settings Set the rear panel USB port to F-22 = 1 GPIB-USB...

  • Page 126: 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 127: Sockets Server Configuration

    2260B Series User Manual 2. Press the Function key to enter the Page 94 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 128: Usb Remote Control 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 129: Web Server Remote Control Function Check

    2260B Series User Manual ^j can be used as the terminal character when  entering the queries/commands from a terminal application. 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 check web browser after the instrument has been...
  • Page 130 COMMUNICATION INTERFACE press: Start>All Programs>National Instruments>Measurement & Automation 2. From the Configuration panel access; My System>Devices and Interfaces>Network Devices 3. Press Add New Network Device>Visa TCP/IP Resource…...
  • Page 131 2260B Series User Manual 4. Select Manual Entry of Raw Socket from the popup window. 5. Enter the IP address and the port number of the 2260B. The port number is fixed at 2268. 6. Double click the Validate button.
  • Page 132 COMMUNICATION INTERFACE 7. Next configure the Alias (name) of the 2260B connection. In this example the Alias is: PS_DC1 8. Click finish. 9. The IP address of the 2260B will now appear under Network Devices in the configuration panel. Select this icon now. 10.
  • Page 133 2260B Series User Manual 11. Under the Template > Property Node tabs, set Termination Char Enable from the Attribute Name list to VI_TRUE. 12. Under the Basic I/O >Write tabs, Enter the *IDN? query into the Buffer, if it is not already there.
  • Page 134 COMMUNICATION INTERFACE 14. In the Basic I/O > Read tabs, the return parameter for the *IDN? query should be returned to the buffer area: XXXXXXX,AAA-AAA,,T1.12.20111013 Where: XXXXXXX = Manufacturer, AAA-AAA = Model number. For further details, please see the programming Note manual.
  • Page 135 2260B Series User Manual AINTENANCE The 2260B power supply filters should be replaced on a periodic schedule to maintain performance and specification characteristics. Replacing the Dust Filter ..................133...

  • Page 136: Maintenance

    MAINTENANCE 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 137: Faq

    2260B Series User Manual • 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? •...
  • Page 138 Make sure the device is powered On for at least 30 minutes. This is necessary to stabilize the unit to match the specification. Some specifications require the operating temperature to be stabilized at 23˚C±5˚C. Please see the specifications for details. For more information, contact your local Tektronix-Keithley representative.

  • Page 139: Appendix

    V-I mode slew rate select F-03 0 = CV high speed priority Rising voltage slew rate F-04 60.00V/s (2260B-30-XX) 160.0V/s (2260B-80-XX) Falling voltage slew rate F-05 60.00V/s (2260B-30-XX) 160.0V/s (2260B-80-XX) Rising current slew rate F-06 72.00A/s (2260B-30-36) 144.0A/s (2260B-30-72) 27.00A/s (2260B-80-13) 54.00A/s (2260B-80-27)
  • Page 140 APPENDIX Falling current slew rate F-07 72.00A/s (2260B-30-36) 144.0A/s (2260B-30-72) 27.00A/s (2260B-80-13) 54.00A/s (2260B-80-27) Internal resistance F-08 0.000Ω setting Bleeder circuit control F-09 1 = ON Buzzer ON/OFF control F-10 1 = ON USB/GPIB setting Rear Panel USB Mode F-22...

  • Page 141: 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 142: 2260B Specifications

    APPENDIX 2260B Specifications The specifications apply when the 2260B is powered on for at least 30 minutes. 2260B-30-36, 2260B-80-13 Model 2260B-30-36 2260B-80-13 DC Output Voltage Ratings: Current 13.5A Power 360W 360W Load Effect: Voltage 0.05% of rating + 5mV Current 0.1% of rating + 5mA Source Effect: (change from 85-132 VAC input or 170-265 VAC input) Voltage...
  • Page 143 2260B Series User Manual Series and Parallel Capability Parallel Up to 3 units including the master unit operation Series Up to 2 units including the master unit operation Temperature Coefficient: (after a 30 minute warm-up) Voltage 100ppm/˚C Current 200ppm/˚C Protection OVP setting 10% to 110% of rated output voltage Function...
  • Page 144 APPENDIX AC Input: Nominal Input 100 - 240 VAC; 50/60Hz Input Input Range 85VAC ~ 265VAC Frequency 47Hz ~ 63Hz Hold up Time ＞20ms (at rated load) Input Current 5A@100VAC / 2.5A@200VAC Power (max) 500VA Power Factor 0.98 (typ) Efficiency (typ) 75% Inrush Current ＜25Apeak General Weight...
  • Page 145 2260B Series User Manual 2260B-30-72, 2260B-80-27 Model 2260B-30-72 2260B-80-27 DC Output Voltage Ratings: Current Power 720W 720W Load Effect: Voltage 0.05% of rating + 5mV Current 0.1% of rating + 5mA Source Effect: (change from 85-132 VAC input or 170-265 VAC input) Voltage 0.05% of rating + 3mV...
  • Page 146 APPENDIX Protection OVP setting 10% to 110% of rated output voltage Function range OVP accuracy ±(Rated output voltage x 2%) OCP setting 10% to 110% of rated output current range OCP accuracy ±(Rated output current x 2%) Activated by elevated internal temperatures Analog Programming and monitoring (at 23˚C±5˚C) EXT-V Control Accuracy &...
  • Page 147 2260B Series User Manual General Weight Approx. 5kg Dimensions W×H×D = 142×124×350 mm Withstand Between input and chassis: No abnormalities at Voltage 1500 Vac for 1 minute. Between input and output: No abnormalities at 3000 Vac for 1 minute. Between output and chassis: No abnormalities at 500 Vdc for 1 minute.

  • Page 148: 2260B Dimensions

    APPENDIX 2260B Dimensions 360W models 2260B-80-13/2260B-30-36 (mm) 47.5 39.5 30.5 14.5 33.8 333.3 70.8 332.5...
  • Page 149 2260B Series User Manual 720W models 2260B-80-27/2260B-30-72 (mm) 47.5 39.5 30.5 14.5 33.8 333.3 332.5 141.8 99.6...

  • Page 150: 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 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 151 2260B Series User Manual NDEX Accessories ......... 10 USB/GPIB settings ....... 90 utility function settings ....76 Alarm Conventions ....... 38 description ........24 CV mode Analog connector operation ........45 pin assignment ......99 Declaration of conformity ..147 Analog control Default settings ......

  • Page 152: Index

    INDEX Marketing operation ........53 Series mode contact .......... 135 Messages ........138 connection ........67 Operation ........68 Model differences ......8 overview ........65 OCP level ........43 Service operation Operating area description ..18 about disassembly ......4 Operation considerations ..
  • Page 153 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  ...

This manual is also suitable for:

2260b-30-362260b-80-132260b-80-27

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