Home

Series 2260B User Manual

1. 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 a Press the Function key again to exit Function the configuration settings The function key light will turn off Use the Voltage knob to set the voltage limit crossover point Push in the knob to highlight a digit Turn the knob to the desired digit to adjust Rotate the knob to the desired voltage Voltage Use the Current knob to set the 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 49 2260B Series User Manual N 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 Output key becomes illuminated B CC and the Power Bar will become illuminated bottom left amp center Only the current level can be altered when the Note output is on The voltage level can only be changed by pressing the Set key 50 OPERATION Display Modes The 2260B power supplies allow you to view the output in three different modes
2. Power Up Wire Gauge Considerations Output Terminals Using Output Terminal Cover eene 36 Using the Rack Mount Kit How to Use the Instrument esee eere enne enne nnne 38 Reset to Factory Default Settings sees 40 View System Version and Build Date eene 41 1 43 Setting OVP OCP Levels dedere er dette en 43 Set to CV ananas aan D RP rH eerte dot 45 Set to CC Mode Display Modes eie deese edere qe ie idend Panel il eta east eh to mede ans D td ers Remote Sense a echa deed A E DTE OA EGG Reeve EATER ERU Parallel Series Operation 56 Master Slave Parallel Overviews iue iet tex a Ia aus 57 Master Slave Parallel Connection ccccsccsssessescesecsesseecseesseecseeseecessceeseesecsesseeees 60 Master Slave Parallel Operation Master Slave Series Overview eese eene enne tnter nnn Master Slave Series Connection Master Slave Series Operation siinne iior AEEA AANE 30 OPERATION Set Up Filter Installation Background The 2260B has a small filter that must first be inserted under the control panel before operation The small filter must be inserted for all model types 360W models 720W models Steps 1 Insert the small filter in the open area under the control panel 2 The unit is now rea
3. 27 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 Floating As the output terminals are floating the load and all load cables must have an insulation capacity that is greater than the isolation voltage of the power supply Analog connector Ext V Ext R Insulation capacity gt isolation voltage of power supply A uae If the insulation capacity of the load and load cables is not greater than the isolation voltage of the power supply electric shock may occur 28 GETTING STARTED Grounded output terminal If the positive or negative terminal is connected to the protective ground terminal the 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 Insulation capacity gt voltage of power supply with respect to ground N CAUTION If using external voltage control do not ground the external voltage terminal as this will create a short circuit 29 2260B Series User Manual Operation Set Up n sap In Filtet Installation incite eei
4. Ext RIX10kQ 0 CC Control Sets the constant current CC control mode between local and external voltage resistance control For details on external voltage control see page 104 External Voltage Control of Current Output and 108 External Resistance Control of Current Output F 91 0 Panel control local 1 External voltage control 2 External resistance control 1o max 3 External resistance control Ext RN10kQ 0 Power ON Output Sets the power supply to turn the output on or off at power up F 92 0 OFF at startup 1 On at start up Master Slave Sets the power supply as master or slave See the parallel series operation for details page 56 93 2260B Series User Manual F 93 0 Master Local 1 Master Parallel 2 Master Parallel2 3 Slave Parallel 4 Slave Series External Out Logic Sets the external logic as active high or low F 94 0 High ON 1 Low ON Power Switch Trip Calibration Programmable Calibration Turns the power off if enabled when the protection settings are tripped F 95 1 Disable 0 Enable The calibration password is used to access the local mode calibration or other special functions The password used determines which function is accessed Please see your distributor for details F 00 0000 9999 Setting Normal Function Settings The normal function settings F 01 F 61 F 88 F 89 can be easily
5. Background When connecting 2260B power supplies in 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 Please read this overview before operating the power supplies in series Limitations Display Only the master unit will display the current e Master and slave units display the voltage The total voltage is the sum of the units OVP OCP The master unit can shut down the slave unit when OVP OCP is tripped on the master unit if the slave connector is wired for shut down on alarm OVP and OCP level is determined by the master OVP and OCP level The OVP and OCP level on the slave unit is ignored 65 66 2260B Series User Manual Remote monitoring Voltage monitoring and current monitoring IMON are only supported on the master unit The voltage represents the total voltage of the all the serialized units Remote Sense Please see the remote sense chapter for details page 53 External Voltage and Resistance Control Voltage Resistance controlled remote control can only be used with the master unit Slew Rate The voltage slew rate is actually double that of the setting slew rate I e A voltage slew rate setting of 60 00V is actually 120V s when in series Internal Resistance Only the master unit s internal resist
6. Conducted amp Radiated Emission E N 55011 2009 A1 2010 EMC EN 61326 1 Electrical equipment for measurement control and EN 61326 2 1 laboratory use EMC requirements 2006 Electrostatic Discharge EN 61000 4 2 2009 Current Harmonics EN 61000 3 2 2006 A1 2009 2 2009 Radiated Immunity EN 61000 4 3 2006 1 2008 2 2010 Voltage Fluctuations EN 61000 3 3 2008 Electrical Fast Transients IEC 61000 4 4 2004 A1 2010 Surge Immunity N 61000 4 5 2006 onducted Susceptibility 61000 4 6 2009 mo ower Frequency Magnetic Field 61000 4 8 2010 tm d 2 lt oltage Dip Interruption 61000 4 11 2004 Low Voltage Equipment Directive 2006 95 Safety Requirements EN 61010 1 2010 EN 61010 2 030 2010 147 2260B Series User Manual NDEX ACCessOrIesS 10 Alarm description sse 24 Analog connector pin 99 Analog control output control 110 OVEIVI EW 98 remote monitoring 115 resistance control current Output 108 resistance control voltage Output ets 106 shutdown control 113 status monitoring 117 voltage control current output104 voltage control
7. Output terminal E 15 2260B Series User Manual Analog Control Connector USB B port Fans Ethernet Port 16 Standard 26 pin MIL connector OMRON XG4 IDC plug 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 2 Positive and negative output terminals Chassis ground j Sense and Sense terminals The USB B port is used for remote control x Temperature controlled fans LAN control and digital monitoring from aPC The Ethernet port is used for remote GETTING STARTED 360W models 2260B 30 36 2260B Line Voltage Input 80 13 L 720W models 2260B 30 72 2260B 80 27 Voltage Input 100 240 VAC Line frequency 50Hz 60 Hz Automatically switchable 17 2260B Series User Manual Theory of Operation The theory of operation chapter describe
8. control Ext voltage sure to cycle the power after the power on configuration has been set Press the Function key and confirm Function the new configuration settings F 90 1 Press the Output key The voltage Output can now be controlled with the _ External voltage A ote The input impedance for external voltage control is 10kQ Use a stable voltage supply for the external voltage control An ote CV and CC Slew Rate Priority are disabled for V I mode F 03 when using external voltage control See the normal function settings on page 87 Aen Ensure no more than 10 5 volts are input into the external voltage input Ensure the voltage polarity is correct when connecting the external voltage 103 2260B Series User Manual External Voltage Control of Current Output Background Connection External voltage control of the current output is 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 x external voltage 10 When connecting the external voltage source to the MIL connectors use shielded or twisted paired wiring Power supply 5 Analog connector 2 shielded wire or twisted pair _ Terminal e Pin16 EXT V Pin5 gt EXT V Wire shield
9. negative output terminal 104 ANALOG CONTROL Connection alt shielding If the wire shield needs to be grounded at the 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 supply 5 Analog connector 2 core shielded wire or twisted pair Output e Terminal Pin16 EXT V gt Pin5 5 EXT V e Wire shield gt EXT V ground GND Steps Connect the external voltage according to the connection diagrams above Set the F 91 power on Page 96 configuration setting to 1 CC control Ext voltage sure to cycle the power after the power on configuration has been set Press the Function key and confirm Function the new configuration settings F 91 1 Press the Output key The current Output can now be controlled with the External voltage NS 105 2260B Series User Manual Ws ote The input impedance for external voltage control is 10kQ Use a stable voltage supply for the external voltage control ANN ote CV and CC Slew Rate Priority are disabled for V I mode F 03 when using external voltage control See the normal function settings on page 87 ANT Ensure the voltage polarity is correct when connecting the external voltage Ensure no more than 10 5 volts are input into the exter
10. 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 0 01A s 27 00A s 2260B 80 13 0 01A s 54 00A s 2260B 80 27 Rising current slew rate 06 0 01A s 72 00A s 2260B 30 36 0 1A 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 Falling current slew rate F 07 84 CONFIGURATION 0 0000 0 8330 2260B 30 36 Internal resistance F 08 0 0000 0 4170 2260B 30 72 setting 0 0000 5 9260 2260B 80 13 0 0000 2 9630 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 0 Absent 1 Mass Storage 0 Absent 2 USB CDC 3 GPIB Rear panel USB State 21 USE adapter Rear panel USB mode F 22 0 Disable 1 GPIB USB adapter 2 USB CDC GPIB address F 23 0 30 LAN settings MAC Address 1 F 30 0x00 0xFF MAC Address 2 F 31 0x00 OxFF MAC Address 3 F 32 0x00 0xF F MAC Address 4 F 33 0x00 0xF F MAC Address 5 F 34 0x00 0xFF MAC Address 6 F 35 0x00 0xFF LAN F 36 0 Disable 1 Enable DHCP F 37 0 Disable 1 Enable IP Address 1 F 39 0 255 IP Address 2 F 40 0 255 IP Address 3 F 41 0 255 IP Address 4 F 42 0 255 Subnet Mask 1 F 43 0 255 Subnet Mask 2 F 44 0 255 Subnet Mask
11. 10kQ resistance SER SLV IN 25 Series slave input during master slave series operation N C 26 Not connected External Voltage Control of Voltage Output Background External voltage control of the voltage output is accomplished using the MIL 26 connector on the rear panel A voltage of 0 10V is used to control the full scale voltage of the instrument where Output voltage full scale voltage x external voltage 10 101 2260B Series User Manual Connection When connecting the external voltage source to the MIL connectors use shielded or twisted paired wiring EXT V Power supply n T 1 X 1 4 Analog z 2 connector 16 2 shielded wire or twisted pair Output __ Terminal e 16 EXT V e Pin4 EXT V Wire shield negative output terminal Connection alt shielding If the wire shield needs to be grounded at the 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 2 core shielded wire or twisted pair Output Terminal e Pin16 EXT V e Pin4 gt EXT V Wire shield EXT V ground GND Panel operation 102 1 Connect the external voltage according to the connection diagrams above ANALOG CONTROL Set the F 90 power on Page 96 configuration setting to 1 CV
12. 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 e Analog Control connector overview from page 99 e External voltage control of voltage output from page 101 e External voltage control of current output from page 104 External resistance control of voltage output from page 106 e External resistance control of current output from page 108 e External control of output from page 110 External control of the power switch from page 113 Analog Control Connector Overview Overview The Analog Control Connector is a standard Mil 26 pin connector OMRON XG4 IDC plug The connector is used for all analog remote control The pins used determine what remote control mode is used AN To prevent electric shock ensure that the cover for WARNING the Analog Control Connector is used when the connector is not in use Pin Assignment 25 1 DD LET GET 26 2 Pin number Description Current Share 1 Used when operating 2 or more units in parallel 99 2260B Series User Manual D COM 2 Connected to the 5 sense terminal when remote sense is
13. Calibration Settings Calibration F 00 0000 9999 Power and Calibration settings can only be set Note during power up 86 CONFIGURATION Normal Function Settings Output ON Delay Time Delays turning the output on for a designated amount of time The Delay indicator will light when the Delay time is not 0 Note The Output ON Delay Time setting has a maximum deviation error of 20ms The Output ON Delay Time setting is disabled when the output is set to external control 0 00s 99 99s Output OFF Delay Time Delays turning the output off for a designated amount of time The Delay indicator will light when the Delay time is not 0 Note The Output OFF Delay Time setting has a maximum deviation error of 20ms The Output OFF Delay Time setting is disabled when the output is set to external control 0 00s 99 99s 87 2260B Series User Manual V I Mode Selects High Speed Priority or Slew Rate 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 Note CC and CV Slew Rate Priority mode are disabled when voltage current output is set to external control CC Slew Rate priority V Slew Rate priority F 03 F 03 0 C
14. Err 002 Run Test Sequence Overview A test sequence can be run from one of ten memory slots Steps Before a test sequence can be run it Page 77 78 must first be loaded into one of the 10 memory slots Configure T 01 Run Test Page 76 sequence to 1 10 save memory slot T 01 range 1 10 The test sequence will automatically start to run OPERATION N Note Error messages If you try to run a test sequence from an empty memory location Err 003 will be displayed on the display N Note When a test sequence starts to run there is no way to abort the test sequence Pressing the Output key has no effect If you wish to stop a test early turn the power off Export Test Sequence to USB Overview The Export test sequence function saves a test sequence file to the root directory of a USB flash drive e Test Sequence Files will be saved as tXXX csv where XXX is the memory number 001 010 from which the test sequence was exported from e Test Sequence Files of the same name on the USB flash drive will be written over Steps Insert a USB flash drive into the front panel USB A slot eS 79 2260B Series User Manual Turn the power MS Mass Storage will be displayed on the screen after a few seconds if the USB drive is recognized an N Note If the USB drive is not recognized check to see that the f
15. OFF Turns the buzzer sound on or off The buzzer is associated with alarm sounds and keypad entry sounds F 10 0 ON 1 OFF 89 2260B Series User Manual USB GPIB Settings Front Panel USB State Displays the front panel USB A port state This setting is not configurable F 20 0 Absent 1 Mass Storage Rear Panel USB State Displays the rear panel USB B port state This setting is not configurable 0 Absent 2 USB CDC p 3 GPIB USB adapter Rear Panel USB Mode Sets the rear panel USB mode 0 Disable 1 GPIB USB F 22 adapter for 2260B GPIB USB 2 USB CDC GPIB Address Sets the GPIB address F 23 0 30 90 CONFIGURATION LAN Settings MAC Address Displays the MAC address 1 6 This setting is 1 6 not configurable F 30 F 35 0x00 0xFF LAN Turns Ethernet on or off F 36 0 Disable 1 Enable DHCP Turns DHCP on or off F 37 0 Disable 1 Enable IP Address 1 4 Sets the default IP address IP address 1 4 splits the IP address into four sections F 39 F 40 F 41 F 42 0 255 0 255 0 255 0 255 Subnet Mask 1 4 Sets the subnet mask The subnet mask is split into four parts F 43 F 44 F 45 F 46 0 255 0 255 0 255 0 255 Gateway 1 4 Sets the gateway address The gateway address is split into 4 parts F 47 F 48 F 49 F 50 0 255 0 255 0 255 0 255 DNS Address 1 4 Sets the DNS address The DNS address
16. Slave Page 96 setting for each master slave unit Unit F 93 Master with 1 slave in parallel 1 Master with 2 slaves in parallel 2 Slave unit parallel slave 3 4 Cycle the power on the units reset the power 62 OPERATION N Note Configuration settings can be checked for both the 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 OTP works independently for each unit Master Slave Operation Only operate the power supplies in parallel if the units are configured correctly Turn on the master and slave units The slave unit s will show a blank display Master unit Slave units pase 8 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 See the Basic Operation chapter Press the Output key to begin Output N Caution Only operate the power supplies in parallel if using units of the same model number Only a maximum can be used in parallel 63 64 2260B Series User Manual N Note The panel controls are disabled on slave units including the output key On slave units only the Function key can be used to view the current settings OPERATION Master Slave Series Overview
17. browser after the instrument has been configured as a web server page 123 http XXX XXX XXX XXX The web browser interface appears N For further details please see the programming Note manual Socket Server Function Check Background To test the socket server functionality National 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 at the following URL http www ni com visa Requirements Firmware V1 12 Operating System Windows XP 7 Functionality 1 Start the NI Measurement and Automation check Explorer MAX program Using Windows 126 COMMUNICATION INTERFACE press Start gt All Programs gt National Instruments gt Measurement amp Automation ni com Measurement amp Automation Explorer Version 4 6 2 Initializing NATIONAL Copyright 1999 2009 Nati From the Configuration panel access My System gt Devices and Interfaces gt Network Devices Press Add New Network Device gt Visa TCP IP Resource Create New VISA Resource Serial amp Parallel 9 44 Scales H 6 Software i PX PXI Syste 127 2260B Series User Manual 4 Select Manual Entry of Raw Socket from the popup window b lt NATIONAL y INSTRUMENTS 5 Enter the IP address and the por
18. display only DHCP IP Address Subnet Mask Gateway DNS Address Sockets Active Web Server Active Web Password Active Web set password 0000 9999 default 0000 Web Server Configuration Configuration This configuration example will configure the 2260B as a web server and use DHCP to automatically assign an IP address to the 2260B 1 Connect an Ethernet cable from the EM network to the rear panel Ethernet port L 123 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 37 1 Turn DHCP to enable F 59 1 Turn the web server on N Note It may be necessary to cycle the power or refresh the web browser to connect to a network Sockets Server Configuration Configuration 124 This configuration example will configure the 2260B socket server The following configuration settings will manually assign the 2260B an IP address and enable the socket server By default the socket server port number is 2268 and cannot be configured Connect an Ethernet cable from the AN network to the rear panel Ethernet port L Press the Function key to enter the Page 94 Normal configuration settings Set the following LAN settings F 36 1 Enable LAN F 37 0 Disable DHCP F 39 172 IP Address part 1 of 4 F 40 16 IP Address part 2 of 4 F 41 5 IP Address part 3 of 4 F 4
19. mode To set the power supply to CC or CV mode the Function key must be held when the power is turned on to enter the Power On Configuration Mode See page 92 The OVP voltage is triggered earlier than expected When setting the OVP voltage take into account the voltage drop from the load cables As the OVP level is set from the output terminals and not the load terminals the voltage at the load terminals may be slightly lower Can combine more than 1 cable together for the output wiring Yes Cables can be used together in parallel if the current capacity of a single cable is insufficient However the withstand voltage should also be taken into account Ensure the cables are twisted together and are the same length 134 FAQ The accuracy does not match the specification 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 135 2260B Series User Manual DIX 2260B Default Settings The following default settings are the factory configuration settings for the power supply For details on how to return to the factory default settings see page 40 Initial Settings Default Setting Output Off LOCK 0 Disable
20. on when the 2260B is set to CC mode CV status CC status L gt H Output status L CC MODE The diagram below shows the output status Output turned off lines when the output is turned off in CC mode CV status L fees tH CC status L Output status L 119 2260B Series User Manual COMMUNICATION INTERFACE This chapter describes basic configuration of 488 2 based remote control For a command list refer to the programming manual Interface Configuration atta ti IR e ee etes USB Remote Interface Configure GPIB Interface A Configure Ethernet Connection Web Server Configuration Sockets Server Configuration USB Remote Control Function Check Web Server Remote Control Function Check eee 120 COMMUNICATION INTERFACE Interface Configuration USB Remote Interface USB PC side Type A host configuration connector 2260B side Rear panel Type B slave connector Speed 1 1 2 0 full speed high speed USB Class CDC communications device class Steps 1 Connect the USB cable to the rear panel USB B port 2 Change the Rear panel USB F 22 Page 94 setting to USB CDC 2 Configure GPIB Interface To use GPIB the optional GPIB to USB 2260B GPIB USB adapter must be used Only one GPIB address c
21. used Connected to the negative output terminal when remote sense is not used CURRENTSUM 3 Current sum output signal when used in parallel OUT mode EXT V CV CONT 4 External voltage control of the voltage output A voltage of 0 10V is used to control the full scale voltage output 0 100 of the instrument EXT V CC CONT 5 External voltage control of the current output A voltage of 0 10V is used to control the full scale current output 096 10096 of the instrument EXT R CV CONT PIN 6 External resistance control of the voltage output A resistance of OkQ is used to control the full scale voltage output 0 100 of the instrument EXT R CV CONT PIN2 7 External resistance control of the voltage output A resistance of OkO is used to control the full scale voltage output 0 100 of the instrument EXT R CC CONT PINI 8 External resistance control of the current output A resistance of OkO is used to control the full scale current output 0 100 of the instrument EXT R CC CONT PIN2 9 External resistance control of the current output A resistance of OkO is used to control the full scale current output 0 100 of the instrument V MON 10 Voltage Monitor Output Outputs the full scale voltage 0 10096 as a voltage OV 10V I MON 11 Current Monitor Output Outputs the full scale current 0 100 as a voltage OV 10V SHUTDOWN
22. 10kO pull up resistor Connection Power Switch supply 1 NI J 2 core shielded wire or twisted pair Analog connector Output Terminal e Pin2 Switch e Pin12 Switch Wire shield negative output terminal I NS zx Steps Connect the external switches according to the connection diagrams above Set F 95 to in the configuration Page 96 settings to 0 Enable This will allow the external control of shutdown Press the function key and confirm Function the new configuration settings The switch will now shut down the power supply when shorted 113 2260B Series User Manual AY ote When using a switch over long distances please use a switch relay to extend the line from the coil side of the relay Switch Relay z Line 1 2 Analog extention connector CL 12 If a single switch control is to be used for multiple units please isolate each instrument This can be achieved by using a relay 114 Ensure the cables and switch used exceed the isolation voltage of the power supply For example insulation tubes with a withstand voltage higher than the power supply can be used 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
23. 12 The shut down signal will turn off the output or power when a low TTL signal is applied The shutdown signal is pulled up to 5V with a 10kO pull up resistor CURRENT SUM 1 13 Master unit current sum input signal from first slave CURRENT SUM OUTPUT Used in parallel mode only CURRENT SUM 14 Master unit current sum input signal from second 2 slave CURRENT SUM OUTPUT Used in parallel mode only FEEDBACK 15 Parallel control signal during master slave parallel operation 100 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 photo coupled open collector output CC STATUS 19 Turns on when CC mode is active photo coupled open collector output ALM STATUS 20 Turns on when any of the protection modes are tripped OVP OCP or if a shutdown signal is input photo coupled open collector output OUTPUT ON 21 Turns on when the output has been turned on STATUS photo coupled open collector output POWER OFF 22 Turns on when the power switch is turned off STATUS N C 23 Not connected OUT ON OFF 24 Turns the output on off when default setting CONT low TTL signal is applied Internally the circuit is pulled up to 5V with
24. 2 133 IP Address part 4 of 4 F 43 255 Subnet Mask part 1 of 4 F 44 255 Subnet Mask part 2 of 4 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 Enable Sockets N Note The socket function is only available for firmware version V1 12 or above See page 92 to check your firmware version number USB Remote Control Function Check Functionality check Invoke a terminal application such as MTTTY Multi Threaded TTY To check the COM port No see the Device Manager in the PC For WinXP Control panel System Hardware tab Run this query command via the terminal after the instrument has been configured for USB remote control page 121 idn This should return the Manufacturer Model number Serial number and Firmware version in the following format e XXXXXX AAAAAA TW123456 01 00 2011010 1 Manufacturer XXXXXX Model number AAAAAA Serial number TW123456 Firmware version 01 00 20110101 125 2260B Series User Manual e jcan 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 Functionality Enter the IP address of the power supply ina check web
25. 260B 30 72 2260B 80 27 Model 2260B 30 72 2260B 80 27 DC Output Voltage 30V 80V Ratings Current 72A 27 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 Current 0 1 of rating 5mA Output Ripple and Noise Noise Bandwidth 20MHz Ripple Bandwidth 1 MHz CV p p 80mV 80mV CV rms 11mV 11mV CC rms 144mA 54mA Programming Voltage 0 1 10mV 0 1 10mV at 23 a ss Current 0 1 30mA Measurement Voltage 0 1 10mV 0 1 10mV at 23 C5 C Current EA 0 1 30mA Load Transient Recovery Time time for output voltage to recover within 0 1 10mVof its rated output for load change from 50 to 100 of its rated output current Time 1ms Ims Output Response Time Rise time 50ms 50ms Fall time full 50ms 50ms load Fall time no 500ms 500ms load Programming Voltage 1mV 2mV Measurement by PC remote control mode Resolution Current 2mA 2mA by PC remote control mode 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 142 APPENDIX Protection Function OVP setting 10 to 110 of rated output voltage range OVP accuracy Rated output volt
26. 260B 30V Series Operating Area Voltage V 35 30 25 20 15 10 360W Models 720W Models 20 40 60 80 100 120 Current A 19 2260B Series User Manual CC and CV Mode CC and CV mode When the power supply is operating in Description constant current mode CC a constant current will be supplied to the load When in constant current mode the voltage output can vary while the current remains constant When the load resistance increases to the point where the current limit Isgr can no longer be sustained the power supply switches to CV mode The point where the power supply switches modes is the crossover point When the power supply is operating in CV mode a constant voltage will be supplied to the load while the current will vary as the load varies At the point that the load resistance is too low to maintain a constant voltage the power supply will switch to CC mode and maintain the set current limit The conditions that determine whether the power supply operates in CC or CV mode depends on the set current Iser the set voltage Vszr the load resistance Ri and the critical resistance Rc The critical resistance is determined by Vszr Iser The power supply will operate in CV mode when the load resistance is greater than the critical resistance This means that the voltage output will be equal to the Vser voltage but the current will be less than Iszr If the load resistance is reduced
27. 3 F 45 0 255 Subnet Mask 4 F 46 0 255 Gateway 1 F 47 0 255 Gateway 2 F 48 0 255 Gateway 3 F 49 0 255 Gateway 4 F 50 0 255 DNS address 1 F 51 0 255 DNS address 2 F 52 0 255 DNS address 3 F 53 0 255 DNS address 4 F 54 0 255 Sockets active F 57 0 Disable 1 Enable Web Server active F 59 0 Disable 1 Enable 85 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 E Return to factory settings 0 1 Version 2 3 Build year 4 5 Build month day Che dicam F 89 6 7 Keyboard CPLD version 8 9 Analog Control CPLD version A B Reserved C D Kernel build year E F Kernel build month day Power On Configuration Settings 0 Panel control local 1 External voltage control 2 External resistance control CV Control F30 Vo max 3 External resistance control Ext RLX10kQ 0 0 Panel control local 1 External voltage control 2 External resistance control OE Contre d Ext RIZ 3 External resistance control Ext R N10kQ 0 Power ON Output F 92 0 OFF at startup 1 On at startup 0 Master Local 1 Master Parallel1 Master Slave F 93 2 Master Parallel2 3 Slave Parallel 4 Slave Series External Out Logic F 94 0 High ON 1 Low ON Power Switch trip F 95 0 Enable 1 Disable
28. F 90 CV Control Page 96 configuration settings to 2 for Ext or 3 for Ext RIX Be sure to cycle the power after the power on configuration has been set Press the Function key and confirm Function the new configuration settings F 90 2 or 3 107 2260B Series User Manual 4 Press the Output key The voltage Output can now be controlled with the Em External resistance W 22 w ote Ensure the resistor s and cables used exceed the isolation voltage of the power supply For example insulation tubes with a withstand voltage higher than the power supply can be used When choosing an external resistor ensure the resistor can withstand a high degree of heat An ote CV CC Slew Rate Priority are disabled for V I mode F 03 when using external resistance control See the normal function settings on page 87 External Resistance Control of Current Output Background 108 External resistance control of the current output is accomplished using the MIL 26 connector on the rear panel A resistance of OkQ 10kQ is used to control the full scale current of the instrument The output current 0 to full scale can be controlled with the external resistance going up Ext R p 0kQ 10kQ 10kQ or down Ext RIN 10kQ 0kQ 10kQ 0 For 0kQ 10kQ Output current full scale current x external resistance 10 For 10kQ 0kQ Output current full scale current x 10 ex
29. FACE 120 Interface Configuration 121 MAINTENANGE a 132 FAQ Dei E redis 134 oie 136 2260B Default Settings 136 Error Messages amp Messages 138 LED Display Format 138 2260B Series User Manual 2260B Specifications 139 2260B Dimensions 145 Declaration of Conformity 147 pls Cc 148 SAFETY INSTRUCTIONS SAFETY INSTRUCTIONS Safety Symbols 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 These safety symbols may appear in this manual or on the instrument Zakon o Warning Identifies conditions or practices that could result in injury or loss of life Caution Identifies conditions or practices that could result in damage to the instrument or to other properties DANGER High Voltage Attention Refer to the Manual Protective Conductor Terminal Earth ground Terminal 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 purc
30. From File Read To File Write Read Assert Trigger Read STB Clear Eoun Buffer 4 mixed ASCII hexadecimal JE XXXXXXX AAA AAA T1 12 20111019Vn umi Retum Count F Async 35 Return Status FE zs Read data from a message based bus or device Execute AN For further details please see the programming Note manual 131 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 siste sede dae 133 132 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 Front panel filter 1 Turn the instrument off all models 2 Pull the filter out from the bottom of the front panel 3 Replace the filter with a new filter Side panel filters 1 Lift the side panel up and away from the case 360W models 2 Remove the filter from the grill and replace with a new filter 133 2260B Series User Manual Fag The power supply won t let me change the mode CV mode CC mode The OVP voltage is triggered earlier than expected Can 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 lt CC
31. HE_FILE_ERROR 5 SEQ_ERR__READ_DATA_ERROR 6 _SEQ_ERR__USING 7 _SEQ_ERR__FORMAT_ERROR 81 2260B Series User Manual 8 _SEQ_ERR__PARAMETER_DATA_TO_LONG SEQ_ERR__CYCLE_START_GREATER_THAN_CYCLE END 11 SEQ_ERR CYCLE_TIMES_ERROR 12 SEQ_ERR CYCLE_TIMES_OVER_RANGE 13 SEQ_ERR NO_CYCLE_TIMES 14 SEQ_ERR CYCLE_START_ERROR 15 SEQ_ERR CYCLE_START_OVER_RANGE 16 _SEQ_ERR__NO_CYCLE_START 17 _SEQ_ERR__CYCLE_END_ERROR 18 SEQ ERR CYCLE END OVER RANGE 19 SEQ ERR NO CYCLE END 20 SEQ ERR STEP DATA ERROR 21 SEQ_ERR__STEP_DATA_OVER_RANGE 22 SEQ_ERR__NO_STEP_DATA 30 SEQ_ERR__POINT_DATA_ERROR 3 SEQ_ERR__START_POINT_GREATER_THAN_END_ POINT 32 SEQ ERR START POINT REPEAT 33 SEQ ERR END POINT REPEAT 40 SEQ ERR OUTPUT DATA ERROR 50 SEQ ERR TIME DATA ERROR 51 SEQ ERR NEGATIVE TIME 52 SEQ ERR TIME OVER RANGE 60 SEQ ERR VOLTAGE DATA ERROR 61 SEQ ERR NEGATIVE VOLTAGE 62 SEQ ERR VOLTAGE TOO LARGE 63 SEQ ERR VOLTAGE TOO SMALL 70 SEQ ERR CURRENT DATA ERROR 71 _ _ __ _ 72 _SEQ_ERR__CURRENT_TOO_LARGE 73 _SEQ_ERR__CURRENT_TOO_SMALL 82 CONFIGURATION CONFIGURATION Configuration n san o C tors tees CIR OP c Quir aati ie Configuration Table Norma
32. Manual 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 F 03 0 CV High Speed Priority 2 CV Slew Rate Priority Press the Voltage knob to save the gt configuration setting ConF will be Voltage displayed when successful ee 03 Lont 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 F 04 05 0 1V s 60V s 2260B 30 XX 0 1V s 160V s 2260B 80 XX Press the Function key again to exit Function the configuration settings The function key light will turn off Use the Current knob to set the Current current limit crossover point Push in the knob to highlight a digit Turn the knob to the desired digit to adjust Rotate the knob to the desired current 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 N Note Notice the Set key becomes illuminated when setting the current or voltage If the Voltage or Current knobs are unresponsive press the Set key first Press the Output key The Output Output key becomes illuminated B NS CV and the Power Bar will become illuminated top left amp cente
33. OCP OVP OCP indicator will turn off Power switch trip Set F 95 Power switch trip to 1 to Page 96 disable the power switch trip or to 0 to enable the power switch trip and save F 95 1 Disable or 0 Enable 44 OPERATION Clear OVP OCP protection Set to CV Mode The OVP or OCP protection can be OVP OCP cleared after it has been tripped by holding the OVP OCP button for 2 hold seconds Only applicable when the power switch trip setting is disabled F 95 1 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 18 CC and CV mode have two selectable slew rates High Speed Priority and Slew Rate Priority High Speed Priority will use the fastest slew rate for the instrument while Slew Rate Priority will use a user configured slew rate Background Before setting the power supply to CV mode ensure The output is off The load is connected Steps Press the Function key The Funetion Function key will light up The display should show F play 2 0 Rotate the Voltage knob to change 01 on the top and the configuration setting for F 01 on the bottom Coie 4 Voltage the F setting to F 03 V I Mode Slew Rate Select 45 46 2260B Series User
34. Press the Utility key again to exit Utility the Test sequence settings The Utility key light will turn off Load Test Sequence from USB Overview Before a test sequence can be run it must first be loaded into a one of the 10 memory save slots Before loading a test sequence into memory e Ensure the test sequence file is placed in the root directory e Ensure the file name number corresponds to the memory number that you wish to save to For example A test sequence file named t001 csv can only be saved to memory number 01 t002 csv can only be saved to memory number 02 and so on Steps 1 Insert a USB flash drive into the e front panel USB A slot Ensure the flash drive contains test sequence file in the root directory 2 Turn on the power MS Mass Storage will be displayed on the screen after a few seconds if the USB drive is recognized AS 77 2260B Series User Manual N Note If the USB drive is not recognized check to see that the function settings for F 20 1 page 90 If not reinsert the USB flash drive Configure T 02 Test sequnce Page 76 Load to 1 10 save memory slot T 02 range 1 10 t001 t010 The test sequence will now be available in the memory slot the test sequence was saved to N Note Error messages If you load a file that is not present on the USB drive Err 002 will be displayed on the display
35. TING STARTED Function Keys Display Indicators The Function keys along with the Output key will light up when a key is active Function 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 Locks or unlocks the panel keys to prevent accidentally changing panel settings Toggles the display from viewing V ASV W2 A W Voltage Slew Rate Constant Voltage Mode Remote Control Mode Alarm on Delay Output Constant Current Mode Current Slew Rate Power bar Indicates the current power output as a percentage 13 2260B Series User Manual Voltage Knob Current Knob Output USB Power Switch 14 Sets the voltage Z N Q M Z SF Sets the current Q SA Output Press to turn on the output The d Output key willlight up when the J output is active a The USB A port is used to update EJ the firmware The firmware can only be updated at a service center Used to turn the power on off O 4 GETTING STARTED Rear Panel 2260B 80 27 2260B 30 72 720W Analog control Output connector terminal port terminal Sense terminal
36. V 72A 144A 216A 2260B 80 27 80 80V 80V 27A 54A 81A 59 2260B Series User Manual Master Slave Parallel Connection Master Slave The Analog Control Connector is used for both Connector serial and parallel connections The way the connector is configured determines the behavior of the master and slave units For the complete connector pin assignment see page 99 Analog Connector To operate the power supplies in parallel Connection connect the analog connectors on the master and slave units as shown in the diagrams below Master with 2 slave units 1715131 Master unit Slave Unit 1 Slave Unit 2 IMON Sy 1 CURRENT SHARE 2 1 CURRENT SHARE OUTPUT ON STATUS 24 OUTON OFFCONT 24 OUT ON OFF CONT ALMSTATUS SS ee 12 SHUTDOWN 12 SHUTDOWN STATUSCOM oS 17 STATUSCOM 17 STATUS COM FEEDBACK 15 FEEDBACK 15 FEEDBACK _ 9 _2 3 CURRENT SUM OUT CURRENT SUM T 3 CURRENT SUM OUT SHUTDOWN s 20 ALM STATUS 20 ALM STATUS D COM 60 OPERATION Master with 1 slave unit 2321 oda ooo 7151311 n n nn 2 Master unit
37. V high speed priority 2 CC high speed priority 2 CV slew rate priority 3 CC slew rate priority Rising Voltage Slew Rate Sets the rising voltage slew rate Only applicable if V I Mode is set to CV Slew Rate Priority F 04 0 01V s 60V s 2260B 30 XX 0 1V s 160V s 2260B 80 XX Falling Voltage Slew Rate Sets the falling voltage slew rate Only applicable if V I Mode is set to CV Slew Rate Priority F 05 0 01V s 60V s 2260B 30 XX 0 1V s 160V s 2260B 80 XX 88 CONFIGURATION Rising Current Slew Rate Sets the rising current slew rate Only applicable if V I Mode is set to CC Slew Rate Priority F 06 0 01A s 72 00A s 2260B 30 36 0 1A 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 Falling Current Sets the falling current slew rate Only Slew Rate applicable if V I Mode is set to CC Slew Rate Priority F 07 0 01A s 72 00A s 2260B 30 36 0 1A 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 Internal Sets the internal resistance of the power supply Resistance F 08 0 0000 0 8330 2260B 30 36 Settings 0 0000 0 417Q 2260B 30 72 0 0000 5 9260 2260B 80 13 0 0000 2 9630 2260B 80 27 Bleeder Control Bleeder control turns ON OFF the bleeder resistor Bleeder resistors discharge the filter capacitors after power is turned off as a safety measure F 09 0 OFF 1 ON Buzzer ON
38. age x 2 OCP setting 10 to 110 of rated output current range OCP accuracy Rated output current x 2 OTP Activated by elevated internal temperatures Analog Programming and monitoring at 23 C 5 C EXT V Control Accuracy amp linearity 0 5 of rated Vout Control Accuracy amp linearity 1 of rated lout ER Control Accuracy amp linearity 1 5 of rated Vout E Control Accuracy amp linearity 1 5 of rated lout Monitor Accuracy 1 lo Monitor Accuracy 1 Front Panel Display Accuracy 4 digits at 23 5 C Voltage 0 1 2 count 0 1 2 count Current 0 1 7 count 0 1 4 count Environmental Operating 0 C to 50 C Conditions temp Storage temp 25 C to 70 C Operating 20 to 85 RH No condensation humidity Storage 90 RH or less No condensation humidity Interface USB Type A Host Type B Slave Speed 1 1 2 0 USB Class CDC Communications Device Class LAN MAC Address DNS IP Address User Password Gateway IP Address Instrument IP Address Subnet Mask GPIB Optional 2260B GPIB USB GPIB to USB Adapter AC Input Nominal Input 100 240 VAC 50 60Hz Input Range 85VAC 265VAC Frequency 47Hz 63Hz Hold up Time gt 20ms at rated load Input Current 10A 100VAC 5A 200VAC Power max 1000VA Power Factor 0 98 typ Efficiency typ 75 78 Inrush Current lt 50Apeak 143 2260B Series User Manual General 144 Weight Dimensions Withs
39. an be used at a time Configure GPIB 1 Ensure the 2260B is off before proceeding 2 Connect the USB cable from the rear panel USB B port on the 2260B to the USB A port on the GPIB to USB adapter 3 Connect a GPIB cable from a GPIB controller to the GPIB port on the adapter 121 2260B Series User Manual From computer Type A plug From Type B plug on Power supply 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 GPIB USB F 23 0 30 Set the GPIB address 0 30 F 22 1 Maximum 15 devices altogether 20m cable GPIB constraints length 2m between each device Unique address assigned to each device e Atleast 2 3 of the devices turned On No loop or parallel connection 122 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 Ethernet For details on how to configure the Ethernet configuration settings please see the configuration chapter on Parameters page 91 MAC Address LAN
40. ance settings apply The internal resistance is actually twice that of the setting value Bleeder Control e The Master unit is used to control the bleeder settings The bleeder resistor is always turned on for the slave unit in series mode OPERATION Output Voltage Output Current Model Single unit 2 units 2260B 30 36 30V 60V 36A 36A 2260B 80 13 80V 160V 13 5 13 5A 2260B 30 72 30V 60V 72 72 2260B 80 27 80V 160V 27 27 Master Slave Series Connection Master Slave Connector The Analog Control Connector is used for both serial and parallel connections The way the connector is configured determines the behavior of the master and slave units For the connector pin assignment see page 99 Analog Connector Connection To operate the power supplies in series connect the analog connectors on the master and slave unit as shown in the diagram below Master unit 16 ACOM OUTPUT ON STATUS ALM STATUS 17 STATUS COM 12 SHUTDOWN 2 D COM SES Slave Unit 1 SER SLV IN OUT OFF ON CONT SHUTDOWN DCOM ALM STATUS STATUS COM 67 2260B Series User Manual Series Output Connection Master unit Slave unit Steps Ensure the power is off on both power supplies Choose a master and slave unit Connect the analog connectors for the master and slave unit as shown abo
41. arm will be enabled Remote monitoring Voltage monitoring VMON and current monitoring IMON are only supported on the master unit The IMON current represents the total current of the all the parallelized units Remote Sense Please see the remote sense chapter for details page 53 External Voltage and Resistance Control Voltage Resistance controlled remote control can only be used with the master unit OPERATION Slew Rate Only the master unit s current or voltage slew rate settings apply The settable current slew rate is double or triple that of a single unit depending on the number of units that are used in parallel For example The 2260B 30 36 has a maximum settable current slew rate of 72A S When two 2260 30 36 units are used in parallel the maximum settable slew rate setting is 144 5 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 For3 units in parallel the internal resistance is actually a third of the setting value Bleeder Control 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 Output Voltage Output Current Model Single unit 2 units 3 units 2260B 30 36 30V 30V 30V 36A 72 108 2260 80 13 80V 80V 80V 13 5A 27A 40 5A 2260B 30 72 30V 30V 30
42. assasapansianaqas 3 Grounding ssis 28 Internal resistance description LED List of Load connection Maintenance replacing the filter 133 Marketing COMA CE 135 Messages 138 Model differences 8 OCP level ets 43 Operating area description 18 Operation considerations 25 floating output 28 inrush current sss 25 Pulsed loads ES reverse current 26 OVP evel sic cnr 43 Package 11 Panel lock otn 52 Parallel mode 60 62 OVSEIVIe Ws naceonornein ere 57 Power on off safety instruction 4 Power up een tr 32 Rack mount description seed 37 Rear panel diagram 15 Remote 120 interface configuration 121 Remote control function check125 Remote sense connection 55 operation Series mode connection 67 Operation sss 68 OVer Vie Ws aee he 65 Service operation about disassembly 4 contact Slew rate description sss 22 Socket server fun
43. ccessories 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 amp bottom CD R 2260B Manuals amp Drivers Quick Start Guide Power cord China RoHS Declaration Calibration of Traceable Certificate Packing Check List Description Extended terminal Rack mount adapter JIS Rack mount adapter EIA GPIB to USB adapter Description USB driver GETTING STARTED Package Contents Check the contents before using the 2260B Opening the box Contents e Main unit e Power cord x1 single unit e Test leads x1 e China RoHS s USB cable Declaration e Calibration of Traceable Certificate e Packing Check List e Basic Accessories Kit CD R Manual e Quick Start Guide 11 2260B Series User Manual Appearance 2260B Front Panel 2260B 80 27 2260B 30 72 720W Displa Cover panel Power switch 2260B 80 13 2260B 30 36 360W ion OVP OCP Set Utility Lock Local PWR DSPL 12 Voltage knob Current knob Function keys USBA port GET
44. configured with the Function key e Ensure the load is not connected Ensure the output is off N Note Function setting F 89 Show Version can only be viewed not edited Configuration settings F 90 F 95 cannot be edited in the Normal Function Settings Use the Power On Configuration Settings See page 96 for details 94 CONFIGURATION Steps Press the Function key The Function function key will light up The display will show F 01 C ni on the top and the 4 E configuration setting for F 01 on the bottom o D D Rotate the Voltage knob to change the F setting Range F 00 F 61 F 88 F 89 Use the Current knob to set the ues parameter for the chosen F setting Press the Voltage knob to save the n configuration setting ConF willbe gt displayed when successful i E 1 Cont Exit Press the Function key again to exit Function the configuration settings The function key light will turn off 95 2260B Series User Manual Setting Power On Configuration Settings Background Steps 96 Hold the Function key while The display will show F 90 on the The Power On configuration settings can only be changed during power up to prevent the configuration settings being inadvertently changed e Ensure the load is not connected e Ensure the power supply is off turning the power on top and the configuration
45. ction check 126 Specifications 2260A 30 36 2260A 30 72W 142 2260A 80 13 139 2260A 80 27W 142 System version VIEW 41 Test sequence error messages 81 eres 79 Load etae 77 remove delete test sequence 80 78 UK power 6 Warning symbol 3 Web server function check 126 Wire gauge 33 149 Specifications are subject to change without notice All Keithley trademarks and trade names are the property of Keithley Instruments Inc All other trademarks and trade names are the property of their respective companies Keithley Instruments Inc Corporate Headquarters 28775 Aurora Road Cleveland Ohio 44139 440 248 0400 Fax 440 248 6168 1 888 KEITHLEY www keithley com KEITHLEY A Greater Measure of Confidence A Tektronix Company 3 14
46. d Voltage OV Current OVP Maximum OCP Maximum Normal Function Settings Setting Default Setting Output ON delay time F 01 0 00s Output OFF delay time F 02 0 00s 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 gt LI a 136 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 0000 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 2 USB CDC GPIB address F 23 8 LAN setting LAN F 36 1 Enable DHCP F 37 1 Enable Sockets active F 57 1 Enable Web Server active F 59 1 Enable Web password active F 60 1 Enable 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 0 Enable 137 2260B Series User Manual Error Messages amp Messages The following error messages or messages may appear on t
47. d be protected by a or 5A fuse Larger conductors would normally require 13A types depending on the connection method used Any exposed wiring from a cable plug or connection that is engaged a live socket is extremely hazardous If a cable or plug is deemed hazardous turn off the mains power and remove the cable any fuses and fuse assemblies All hazardous wiring must be immediately destroyed and replaced in accordance to the above standard GETTING STARTED G ETTING STARTED This chapter describes the power supply ina 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 2260B Series Overview 8 Series LMS Up m S 8 MATT 9 Accessories Package ticae neetecidi ei D e Ser iioi Io Ie acia Paten 11 qe 12 2260B Ptont Pane ui u ce dere l SS ea ek ebd pea 12 ukuy y uum 15 2260B Series User Manual 2260B Series Overview Series lineup The 2260B series consists of 4 models divided into 2 different model types covering 2 power capacities 360W models and 720W models Model name Type Voltage ra
48. d resistor acts as a minimum voltage load The bleed resistance can be turned on or off using the configuration settings N Note By default the bleed resistance is on For battery charging applications be sure to turn the bleed resistance off as the bleed resistor can discharge the connected battery when the unit is off Internal Resistance Background Internal Resistance Range On the 2260B the internal resistance of the power supply can be user defined in software Internal Resistance Setting page 87 When the internal resistance is set it can be seen as a resistance in series with the positive output terminal This allows the power supply to simulate power sources that have internal resistances such as lead acid batteries Unit Model Internal Resistance Range 2260B 30 36 0 000 0 833 2260B 30 72 0 000 0 417 2260B 80 13 0 000 5 9260 2260B 80 27 0 000 2 9630 23 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 OVP Overvoltage protection OVP prevents a high voltage from damaging the load OCP Overcurrent protection prevents high current from damaging the load OTP Overtemperature protection protects the instrument from overheating Power Switch Trip When the Power Switch Trip configuration set
49. dy to power up 31 2260B Series User Manual Power Up Steps 1 Connect the power cord to the rear panel socket 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 For default configuration settings see page 136 N CAUTION 32 The power supply takes around 8 seconds to fully turn on and shutdown Do not turn the power on and off quickly Please wait for the display to fully turn off OPERATION Wire Gauge Considerations Background Recommended wire gauge Before connecting the output terminals to a 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 Wire Gauge Maximum Current 20 2 5A 18 4A 16 6A 14 10A 12 16A 10 21A 8 36A 6 61A 4 97A 33 2260B Series User Manual Output Terminals Background Before connecting the output terminals to the 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 4 sized screws or M8 sized bolts Dangerous voltages Ensure that the power
50. e internal 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 T 01 1 10 Test sequence Load Loads a test sequence from the USB drive to the designated save slot in memory A test sequence must first be loaded into internal memory before it can be run T 02 1 10 05822608 Test Export Exports a test sequence from the designated memory save slot to the USB drive T 03 1 10 2260B USB Test sequence Remove Deletes the chosen test sequence file from the 2260B internal memory T 04 1 10 75 2260B Series User Manual Setting the Test Sequence Settings Steps Rotate the voltage knob to select The test sequence settings T 01 T 04 are set with the Utility key Press the Utility key The Utility Utility key will light up The display will show T 01 on the top and the memory no for T 01 on the bottom i Test Sequence t Lg Setting Memory 4 number A Voltage o ER NN below items Test sequence Run T 01 Test sequence Load 02 Test sequence Export T 03 Test sequence Remove T 04 Rotate the current knob to choosea J a Current memory slot number Range 1 10 Press the Voltage knob to complete K lt Voltage E the setting 76 OPERATION Exit
51. e should be saved as tXXX csv where XXX is the save file number 001 010 The save file number is important as it designates which memory slot the test file can be loaded into see page 77 Below is an example of a simple test file created in a spreadsheet Current A A test file contains the following fields in the following order Line 1 Cycle Header This field contains the Cycle header text Required Do not remove or alter from this location Cycle Repeat Determines the number of times to repeat a sequence of steps It has a range of 1 999 or 0 INF A setting of 1 will pass through the cycle once A setting of 0 or INF case insensitive will repeat the cycle infinitely 72 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 Range 2 1000 The Cycle Step End field must be greater than the Cycle Step Start field Line 2 Step Header This field contains the Step header text Required Do not remove from this location Time sec Header This field contains the Time sec header text Required Do not remove or alter from this location Voltage V Header This field contains the Voltage V header text Required Do not remove or alter from this location Current A Header This field contai
52. eady to set the output on or off 111 2260B Series User Manual A ote When using a switch over long distances please use a switch relay to extend the line from the coil side of the relay Switch Relay mI Line 2 Analog extention connector E 24 If a single switch control is to be used for multiple units please isolate each instrument This can be achieved by using a relay eds Ensure the cables used and the switch exceed the isolation voltage of the power supply For example insulation tubes with a withstand voltage higher than the power supply can be used N Note Messages If F 94 0 High on and the pin 24 is low 0 MSG 001 will be displayed on the display If F 94 1 Low on and the pin 24 is high 1 MSG 002 will be displayed on the display Output off High on Output off Low on Lu I LLL N Note 112 Output ON OFF Delay Time F 01 F 02 are disabled when the output is set to external control See the normal function settings on 87 for details ANALOG CONTROL External control of Shutdown Background The output of the power supplies can be 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 The voltage across pins 2 and 12 are internally pulled to 5V 5 500uA with
53. epends on the model and the mode e Series Mode 2 units maximum e Parallel Mode units maximum To use the power supplies in series or parallel units must be used in a Master Slave configuration In the master slave configuration a master power supply controls any other connected slave power supplies e Master Slave Parallel overview from page 57 e Parallel connection from page 60 Parallel operation from page 62 e Master Slave Series overview page 65 e Series connection page 67 e Series operation from page 68 Before operating the power supply please see the Getting Started chapter page 7 56 OPERATION Master Slave Parallel Overview Background When connecting the 2260B power supplies in 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 Please read this overview before operating the power supplies in parallel Limitations Display e Only the master unit will display the voltage and current 57 2260B Series User Manual 58 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 Only the al
54. er supply can be used When choosing an external resistor ensure the resistor can withstand a high degree of heat An ote CV CC Slew Rate Priority are disabled for V I mode F 03 when using external resistance control See the normal function settings on page 87 External Control of Output Background 110 The output can be turned on or off externally using a switch The analog control connector can be set to turn the output on from a high or low signal The voltage across pins 2 and 24 are internally pulled to 5V 5 500uA with 10kQ pull up resistor A short closed switch produces a low signal When set to High On the output is turned on when the pins 2 24 are open When Low On the output is turned on when pins 2 24 are shorted ANALOG CONTROL Connection Power Switch supply Analog connector oe I 2 core shielded wire or twisted Output pair AN Terminal e Pin2 Switch Pin24 Switch Wire shield negative output terminal Steps Connect the external switch according to the connection diagrams above Set F 94 External output logic in Page 96 the power on configuration settings to 0 High On or 1 Low On sure to cycle the power after setting the power on configuration settings Press the Function key and confirm Function the new configuration settings The switch is now r
55. es 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 Press the Output key to begin Output Only operate the power supplies in series if using units of the same model number Only a maximum of 2 units can be used in series N Note 70 The panel controls are disabled on slave units including the output key 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 from page 72 Test Sequence Settings from page 75 Setting the Test Sequence Settings from page 76 Load Test Sequence from page 77 Run Test Sequence from page 78 e Export Test Sequence from page 79 e Remove Test Sequence from page 80 Test Sequence Error Codes from page 81 71 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 Each fil
56. hased Safety Guidelines General Guideline Do not place any heavy object on the instrument CAUTION Avoid severe impact or rough handling that leads to damaging the instrument Do not discharge static electricity to the instrument e Use only mating connectors not bare wires for the terminals Do not block the cooling fan opening Do not disassemble the instrument unless you are qualified Measurement categories EN 61010 1 2001 specifies the measurement categories and their requirements as follows This instrument falls under category II e Measurement category IV is for measurement performed at the source of low voltage installation e Measurement category III is for measurement performed in the building installation e Measurement category II is for measurement performed on the circuits directly connected to the low voltage installation e Measurement category is for measurements performed on circuits not directly connected to Mains Power Supply e AC Input voltage range 85VAC 265VAC N Frequency 47Hz 63Hz WARNING To avoid electrical shock connect the protective grounding conductor of the AC power cord to an earth ground SAFETY INSTRUCTIONS Cleaning the Instrument Disconnect the power cord before cleaning Use a soft cloth dampened in a solution of mild detergent and water Do not spray any liquid Do not use chemicals containing harsh mater
57. he 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 File access error Err 901 Keyboard CPLD error Err 902 Analog CPLD error Err 920 The ADC is over range for calibration Err 921 The DAC is over range for calibration Err 922 Point invalid for calibration Messages Description MSG 001 External control of output Output off F 94 0 High on MSG 002 External control of output Output off F 94 1 Low on MSG 003 F 93 is not zero Unable to calibrate LED Display Format Use the following table to read the LED display messages 99 EP jJ F rN h p EF GH n A GD Poe en cies a PS SEUB GHEY FOF 4 _ 138 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 30V 80V Ratings Current 36A 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 0 05 of rating 3mV Current 0 1 of rating 5 Output Ripple and Noise Noise Bandwidth 20MHz Ripple Bandwidth 1 MHz CV p p 60mV 60mV CV
58. ial such as benzene toluene xylene and acetone Operation Location Indoor no direct sunlight dust free Environment almost non conductive pollution Note below Relative Humidity 20 85 e Altitude lt 2000m Temperature 0 C to 50 C Pollution Degree EN 61010 1 2001 specifies the pollution degrees and their requirements as follows The Instrument falls under degree 2 Pollution refers to addition of foreign matter solid liquid or gaseous ionized gases that may produce a reduction of dielectric strength or surface resistivity e Pollution degree 1 No pollution or only dry non conductive pollution occurs The pollution has no influence Pollution degree 2 Normally only non conductive pollution occurs Occasionally however a temporary conductivity caused by condensation must be expected Pollution degree 3 Conductive pollution occurs or dry non conductive pollution occurs which becomes conductive due to condensation which is expected In such conditions equipment is normally protected against exposure to direct sunlight precipitation and full wind pressure but neither temperature nor humidity is controlled Storage Location Indoor environment Temperature 25 C to 70 C Relative Humidity lt 90 Disposal Do not dispose this instrument as unsorted municipal waste Please use a separate collection facility or contact the supplier from which this i
59. in the diagram below 5 When the top and bottom covers are flush re insert the screw that was removed in step 1 36 OPERATION Removal Reverse the procedure to remove the terminal covers Using the Rack Mount Kit Background The 2260B series has an optional Rack Mount Kit that can be used to hold 6x 360W models 3x 360W models or a combination of all models Rack mount example 360W models X6 units 37 2260B Series User Manual How to Use the Instrument Background The 2260B power supplies use a novel method 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 When the user manual says to set a value or parameter use the steps below Example 38 Use the Voltage knob to set a voltage of 10 05 volts Repeatedly press the Voltage knob EM until the last digit is highlighted ZS This will allow the voltage to be edited in 0 01 volt steps Turn the Voltage knob till 0 05 volts is shown y mm Y Repeatedly press the Voltage knob until the first digit is highlighted This will allow the voltage to be edited in 1 volt steps Turn the Voltage knob until 10 05 is shown OPERATION N Note Notice the Se
60. is split into 4 parts F 51 F 52 F 53 F 54 0 255 0 255 0 255 0 255 Sockets active Enables WebSocket connections F 57 0 Disable 1 Enable Web server active Turns Web server control on off F 59 0 Disable 1 Enable 91 2260B Series User Manual Web Password active Turns a web password on off F 60 0 Disable 1 Enable Web Password Sets the Web password F 61 0000 9999 System Settings Factory Set Value Returns the 2260B to the factory default settings See page 136 for a list of the default settings F 88 0 Disable 1 Return to factory default settings Show Version Displays the 2260B version number build date keyboard version analog control version and kernel build 0 1 Version 2 3 Build year 4 5 Build month day 6 7 Keyboard CPLD version 8 9 Analog Control CPLD version A B Reserved C D Kernel build year E F Kernel build month day 92 CONFIGURATION Power On Configuration Settings CV Control Sets the constant voltage CV control mode 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 External voltage control 2 External resistance control Vo max 3 External resistance control
61. l Function Settings ads E USB GPIB Settings eet ee etu a a a E Urea LAN Settings sci coe hoon tdt ete adit tds System Settings ie Power On Configuration Settings sse eene eene 93 94 83 2260B Series User Manual 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 The other configuration settings can be changed when the unit is already on This prevents some important configuration parameters from being changed inadvertently Power On Configuration settings are numbered F 90 to F 95 and the other configuration settings are numbered F 00 to F 61 and F 88 to F 89 Configuration Table Please use the configuration settings listed below when applying the configuration settings Normal Function Settings Setting Setting Range Output ON delay time F 01 0 00s 99 99s Output OFF delay time F 02 0 00s 99 99s 0 CV high speed priority 1 CC high speed priority 2 CV slew rate priority 3 CC slew rate priority V I mode slew rate select F 03 0 01V s 60 00V s 2260B 30 XX Rising voltage slew rate 04 0 1V s 160 0V s 2260B 80 XX
62. ltage knob to change the F setting to F 89 Show Version Rotate the Current knob to view y aum lt the version and build date for the various items F 89 0 XX Main Program Version 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 9 XX Analog CPLD version A XX Reserved B XX Reserved C XX Kernel Build On Year D XX Kernel Build On Year 41 2260B Series User Manual E XX Kernel Build On Month F XX Kernel Build On Day 5 Press the Function key again to Function exit The function key light will turn off Example Main Program Version V01 09 2011 08 01 0 01 Main Program Version 1 09 Main Program Version 2 20 Main Program Build On Year 3 11 Main Program Build On Year 4 08 Main Program Build On Month 5 01 Main Program Build On Day Example Keyboard CPLD Version 0x030c 6 03 Keyboard CPLD Version 7 0c Keyboard CPLD Version Example Analog CPLD Version 0x0421 8 04 Analog CPLD Version 9 21 Analog CPLD Version Example 42 Kernel Version 2011 05 22 C 20 Kernel Build On Year D 11 Kernel Build On Year E 05 Kernel Build On Month F 22 Kernel Build On Day OPERATION Basic Operation This section describes the basic operations required t
63. mit level Ammeter current Reverse Current Regenerative load When the power supply is connected to a 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 For loads that create reverse current connect a resistor in parallel to the power supply to bypass the reverse current This description only applies when the bleed resistance is off poner ower Supply i Resistor Reverse current N Note The current output will decrease by the amount of current absorbed by the resistor Ensure the resistor used can withstand the power capacity of the power supply load 26 GETTING STARTED Reverse Current Accumulative energy When the power supply is connected to a load such as a battery reverse current may flow 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 Diode N CAUTION Ensure the reverse withstand voltage of the diode is able to withstand 2 times the rated output voltage of the power supply and the forward current capacity can withstand 3 to 10 times the rated output current of the power supply Ensure the diode is able to withstand the heat generated in the following scenarios When the diode is used to limit reverse voltage remote sensing cannot be used
64. n I MON 21 OUTPUT ON STATUS 4 20 ALM STATUS 17 STATUS COM i 15 FEEDBACK 13 CURRENT_SUM_1 12 SHUTDOWN Fi D COM Parallel Output Connection ave Unit 1 CURRENT SHARE OUT ON OFF CONT SHUTDOWN STATUS COM FEEDBACK CURRENT SUM OUT ALM STATUS Master unit Slave unit 1 Slave unit 2 Steps Ensure the power is off on all power supplies Choose a master and a slave unit s Connect the analog connectors for the master and slave unit as shown above Remove the Output Terminal Page 36 covers and the protection dummy plug from the analog control connector 61 2260B Series User Manual 5 Connect the master and slave unit in parallel as shown above 6 Reattach the terminal covers Page 36 N Ensure the load cables have sufficient Page 33 Note current capacity Re attach the protection dummy plug when not in use Master Slave Parallel Operation Master Slave Before using the power supplies in parallel the Configuration master and slave units need to be configured Steps 1 Configure the OVP and OCP Page 43 settings for the master unit 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
65. nal voltage input External Resistance Control of Voltage Output Background External resistance control of the voltage output is accomplished using the MIL 26 connector on the rear panel A resistance of 0kKOQ 10kQ is used to control the full scale voltage of the instrument The output voltage 0 to full scale can be controlled with the external resistance going up Ext R 10 10 Vo max or down Ext RN 10kO 0kO 10kQ 0 For 0kO 10kQ Output voltage full scale voltage x external resistance 10 For 10kO 0kQ Output voltage full scale voltage x 10 external resistance 10 106 ANALOG CONTROL ote The Ext R N configuration is recommended for 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 Use short circuit or continous resistance switches Connection Power EXT R supply 2 core shielded wire or twisted pair 2 6 Analog connector Output _ _ _ATerminal Pin6 EXT R Pin7 EXT R e Wire shield negative output terminal ASYsGqg Steps Connect the external resistance according to the connection diagrams above Set the
66. nitor 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 A maximum of 30V and 8mA can be applied to each pin Name and Pin Description STATUS COM 17 Common photo coupler emitter for status signals 18 19 20 21 and 22 CV STATUS 18 Low when CV mode is active CC STATUS 19 Low when CC mode is active ALM STATUS 20 Low when any of the protection modes are tripped OVP OCP Active low OUT ON 21 Low when the output is on STATUS PWR OFF 22 Active low STATUS Pins 18 19 20 21 22 17 117 2260B Series User Manual Timing diagrams Below are 4 example timing diagrams covering a number fo scenarios Note that pins 18 22 are all active low CV MODE Output turned on The diagram below shows the timing diagram when the output is turned on when the 2260B is set to CV mode e H CV status L H CC status L Output status L CV MODE Output turned off The diagram below shows the output status lines when the output is turned off in CV mode CV status L CC status OFF Output status ON 118 ANALOG CONTROL CC MODE The diagram below shows the timing diagram Output turned when the output is turned
67. ns the Current A header text Required Do not remove or alter from this location Line 3 Step Number The Step Number field numbers each step in the test function It has a range of 1 1000 All steps must be numbered in numerical order No step number can be skipped between the first and last step Time sec Designates the duration time of the corresponding step in seconds It has a range of 0 05 seconds to 20 days It has a step resolution of 0 05 seconds 50ms A setting of 0 will skip the step Voltage V Designates the voltage of the corresponding steps in volts MIN or MAX can be used to set the voltage to minimum or maximum respectively Current A Designates the current of the corresponding steps in amps MIN or MAX can be used to set the current to minimum or maximum respectively 73 2260B Series User Manual Example File TOO1 csv 74 In the example below there are 10 steps in total As designated by the Cycle fields steps 3 5 are repeated twice In total the steps will run as follows Step 1 gt 2 gt 3 gt 4 gt 5 gt 3 gt 4 gt 5 gt 6 gt 7 gt 8 gt 9 gt 10 AM Steps 3 5 are repeated twice Cycle 2 3 5 Step Time sec Voltage V Current A 1 1 MIN MIN 2 1 0 05 0 05 3 1 0 1 0 1 4 1 0 15 0 15 5 1 0 2 0 2 6 1 0 25 0 25 7 1 0 3 0 3 8 1 0 35 0 35 9 1 0 4 0 4 10 1 0 45 0 45 OPERATION Test Sequence Settings Test sequence Run Runs the chosen test sequence from th
68. nstrument was purchased Please make sure discarded electrical waste is properly recycled to reduce environmental impact 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 Earth OF Blue Neutral Ong Brown Live Phase As the colours of the wires in main leads may not correspond with the coloured marking identified in your plug appliance proceed as follows The wire which is coloured Green amp Yellow must be connected to the Earth terminal marked with either the letter E the earth symbol or coloured Green Green amp Yellow The wire which is coloured Blue must be connected to the terminal which is marked with the letter N or coloured Blue or Black The wire which is coloured Brown must be connected to the terminal marked with the letter L or P or coloured Brown or Red If in doubt consult the instructions provided with the equipment or contact the supplier This cable appliance should be protected by a suitably rated and approved HBC mains fuse refer to the rating information on the equipment and or user instructions for details As a guide a cable of 0 75mm2 shoul
69. o operate the power supply Setting OVP OCP from page 43 CV mode from page 45 CC mode from page 48 Display modes page 51 Panel lock page 52 Remote sensing from page 53 Before operating the power supply please see the Getting Started chapter page 7 Setting OVP OCP Levels The OVP level has a selectable range of 10 to 110 of the rated output voltage The OCP level has a selectable range 10 110 of the rated output current alternatively the OCP level can also be turned off The OVP and OCP level is set to 110 by default When one of the protection measures are on ALM is shown on the panel display By default the power switch will turn off when any of the protection levels are tripped 8080 8808 x B C3 B 43 2260B Series User Manual Before setting the OVP or OCP level Ensure the load is not connected Ensure the output is set to off Steps 1 OVP Level 3 OCP Level 4 Press the OVP OCP key The OVP OCP OVP OCP key lights up The OVP setting will be displayed on the top and the OCP setting or OFF will be displayed on the bottom OVP Setting OCP Setting Use the Voltage knob to set the OVP level Range 10 110 of rated output voltage Voltage Use the Current knob to set the OCP level Range 10 110 of rated output current OFF Current Press OVP OCP again to exit The OVP
70. off 52 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 Load cables should be chosen with a voltage drop less than the compensation voltage Ensure the output is off before connecting any sense cables Use sense cables with a voltage rating exceeding the isolation voltage of the power supply Never connect sensing cables when the output is on Electric shock or damage to the power supply could result N Note Be sure to remove the Sense joining plates so the units are not using local sensing Single Load 1 2 Connect Sense terminal to the positive potential of the load Connect the Sense terminal to the negative potential of the load Power Supply Load Page 34 Output Output Sense Operate the instrument as normal Page 40 See the Basic Operation chapter for details 53 2260B Series User Manual Parallel 2260B Units 1 Connect the Sense terminals to the positive potential of the load Connect the Sense terminals to the negative potential of the load Power supply 1 Load Page 34 Lez Output O 7 Input Power supply 2 2 O
71. perate the instrument as normal Page 57 See the Parallel Operation chapter for details Serial 2260B Units 54 1 a Connect the 1st Sense terminal to the positive potential of the load b Connect the 15 Sense terminal to the positive output terminal of the second 2260B unit Connect the 214 Sense terminal to the positive terminal of the second 2260B unit d Connect the 214 Sense terminal to negative terminal of the load OPERATION Power Load Page 34 supply 1 ee supply 2 Output Output 1 4 Operate the instrument as normal Page 65 See the Serial Operation chapter for details Wire Shielding and Load line impedance To help to minimize the oscillation due to the inductance and capacitance of the load cables use an electrolytic capacitor in parallel with the load terminals To minimize the effect of load line impedance use twisted wire pairing Capacitor Load Twisted pair 55 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 The number of the power supplies that can be connected in series or parallel d
72. r N Note Only the voltage level can be altered when the output is on The current level can only be changed by pressing the Set key 47 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 CC and CV mode have two selectable slew rates High Speed Priority and Slew Rate Priority High Speed Priority will use the fastest slew rate for the instrument while Slew Rate Priority will use a user configured slew rate Background Before setting the power supply to CC mode ensure e The output is off The load is connected Steps Press the Function key The Function 48 Rotate the Voltage knob to change Function key will light up The display should show F c n I 01 on the top and the G configuration setting for F 01 on the bottom the F setting to F 03 V I Mode Slew Rate Select Use the Current knob to set the F 03 setting Set F 03 to 1 CC High Speed Priority or 3 CC Slew Rate Priority and save OPERATION F 03 1 CC High Speed Priority 3 CC Slew Rate Priority Press the Voltage knob to save the gt configuration setting ConF will be Voltage displayed when successful _ II wo Conf
73. racy amp linearity 1 5 of rated lout i Monitor Accuracy 1 lo Monitor Accuracy 1 Front Panel Display Accuracy 4 digits at 23 C5 C Voltage 0 1 2 count 0 1 2 count Current 0 1 4 count 0 1 2 count Environmental Operating 0 C to 50 C Conditions temp Storage temp 25 C to 70 C Operating 20 to 85 RH No condensation humidity Storage 90 RH or less No condensation humidity Interface USB Type A Host Type B Slave Speed 1 1 2 0 USB Class Communications Device Class LAN MAC Address DNS IP Address User Password Gateway IP Address Instrument IP Address Subnet Mask GPIB Optional 2260B GPIB USB GPIB to USB Adapter 140 APPENDIX AC Input Nominal Input 100 240 VAC 50 60Hz Input Input Range 85VAC 265VAC Frequency 47Hz 63Hz Hold up Time gt 20ms at rated load Input Current 5A 0100VAC 2 5A 200VAC Power max 500VA Power Factor 0 98 typ Efficiency typ 75 78 Inrush Current lt 25Apeak General Weight Approx 3kg Dimensions WxHxD 71x124x350 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 Chassis and output terminal chassis and AC input AC input and output terminal 100 or more Resistance DC 500V 141 2260B Series User Manual 2
74. rms 7mV 7mV CC rms 72 27 Programming Voltage 0 1 10mV 0 1 10mV at 2j Cat Current 0 1 30mA 0 1 10mA Measurement Voltage 0 1 10mV 0 1 10mV A Current 0 1 30mA 0 1 10mA at 23 C 5 C Load Transient Recovery Time time for output voltage to recover within 0 1 10mV of its rated output for a load change from 50 to 100 of its rated output current Time Ims Ims Output Response Time Rise time 50ms 50ms Fall time Full 50ms 50ms load Fali time ne 500ms 500ms load Programming Voltage 1mV 2mV Measurement by PC remote control mode Resolution Current 1mA 1mA by PC remote control mode 139 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 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 OTP Activated by elevated internal temperatures Analog Programming and monitoring at 23 C 5 C EXT V Control Accuracy amp linearity 0 5 of rated Vout m Control Accuracy amp linearity 1 of rated lout EXT Control Accuracy amp linearity 1 5 of rated Vout m Control Accu
75. s the basic principles of operation protection modes and important considerations that must be taken into account before use Operating Area Description Background 18 The 2260B power supplies are regulated DC power supplies with a high voltage and current output These operate in CC Constant voltage or CV Constant voltage mode within a wide operating range limited only by the output power The operating area of each power supply is determined by the rated output power as well as the voltage and current rating For example the operating area and rated power output for the 2260B 30 36 is shown below Vol oltage Operating Area lt 360W rated power Current 12 36 When the power supply is configured so that the total output current x voltage output is less than the rated power output the power supply functions as a typical constant current constant voltage power supply If however the power supply is configured such that the total output current x voltage 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 2260B 80V Series Operating Area Voltage V 90 80 60 40 20 360W models ORKANA 720W models 5 10 15 20 25 30 35 40 45 Current A 2
76. setting for F 90 on the bottom n Rotate the Voltage knob to change the F setting Range F 90 F 95 Use the Current knob to set the Current parameter for the chosen F setting CONFIGURATION 5 Press the Voltage knob to save the gt configuration setting ConF will be displayed when successful Z Lont Exit Cycle the power to save and exit the configuration settings 97 2260B Series User Manual Anatoc 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 Analog Remote Control Analog Control Connector Overview seen External Voltage Control of Voltage Output eee External Voltage Control of Current Output sse External Resistance Control of Voltage Output External Resistance Control of Current Output External Conttol of Output ettet itte tetti rete aig in sasa External control of Shutdown n sqa s Sa a E nenne Remote Monitoring eere retenti nennen is External Voltage and Current Monitoring see External Operation and Status Monitoring sss 98
77. status e External monitoring of output voltage and current from page 115 e External monitoring of operation mode and alarm status from page 117 External Voltage and Current Monitoring Background The MIL 26 pin connector is used to monitor the current IMON or voltage VMON output An output of 0 10V represents the voltage or current output of 0 rated current voltage output e current output full scale x 10 voltage output full scale x 10 External voltage and current monitoring doesn t need to be enabled in the configuration settings 115 2260B Series User Manual Power VMON Supply _ Connection DMM 10 Analog E connector P 0 10V 16 Output Pin16 Neg e Pin10 Pos IMON den Connection DMM 11 Analog SON connector CD 16 Output Terminal Pinl6 gt Neg Pin11 Pos N Note The output impedance of the voltage VMON and current IMON monitor pins is TkO Maximum current is 10mA The monitor outputs are strictly DC and should not be used to monitor analog components such as transient voltage response or ripple etc Lesion 116 Ensure IMON pin 11 and pin 10 are not shorted together This will cause damage to the unit ANALOG CONTROL External Operation and Status Monitoring Background The MIL 26 pin connector can also be used to mo
78. t key becomes illuminated when setting the current or voltage If the Voltage or Current knobs are unresponsive press the Set key first 39 2260B Series User Manual Reset to Factory Default Settings Background The F 88 configuration setting allows the 2260B to be reset back to the factory default settings See page 136 for the default factory settings Steps Press the Function key The Function 40 Function key will light up The display should show cC 01 on the top and the configuration setting for F 01 on the bottom g 0 0 Rotate the Voltage knob to change Feige A IES the F setting to F 88 Factory Set Value Use the Current knob to set the Currnet F 88 setting to 1 Return to factory settings Press the Voltage knob to confirm gt Voltage ConF will be displayed when successful 886 Cont Press the Function key again to Function exit The function key light will turn off OPERATION View System Version and Build Date Background The F 89 configuration setting allows you to view the 2260B version number build date keyboard version analog control version and kernel build Steps Press the Function key The Function Function key will light up The display should show F C ni 01 on the top and the configuration setting for F 01 on the bottom Rotate the Vo
79. t number of the 2260B The port number is fixed at 2268 6 Double click the Validate button NATIONAL INSTRUMENTS 5 S gt 128 COMMUNICATION INTERFACE 7 Next configure the Alias name of the 2260B connection In this example the Alias is PS_DC1 8 Click finish K7 NATIONAL INSTRUMENTS 9 The IP address of the 2260B will now appear under Network Devices in the configuration panel Select this icon now 10 Press Open VISA Test Panel 129 2260B Series User Manual 11 Under the Template gt Property Node tabs set Termination Char Enable from the Attribute Name list to VI TRUE Attribute Name Termination Char Enable New Value 17 TRUE View All Settsble Attributes Es Modify the value of the specified attribute 12 Under the Basic I O gt Write tabs Enter the IDN query into the Buffer if it is not already there 13 Click the Execute button TV Show All VISA Operations mi Ei Retum Count F Async ks Return Status Q3 J Write data ip a message based bus or device Execute 130 COMMUNICATION INTERFACE 14 In the Basic I O gt 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 Iv Show All VISA Operations Write
80. tand Voltage Insulation Resistance Approx 5kg WxHxD 142x124x350 mm Between input and chassis No abnormalities at 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 Chassis and output terminal chassis and AC input AC input and output terminal 100 or more DC 500V APPENDIX 2260B Dimensions 360W models 2260B 80 13 2260B 30 36 mm 333 3 338 708 18 3325 1 k B ool oo 2528 amp m q z T T 50 al 268 31 145 2260B Series User Manual 720W models 2260B 80 27 2260B 30 72 mm 126 w 146 APPENDIX 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 For the evaluation regarding the Electromagnetic Compatibility and Low Voltage Directive the following standards were applied
81. ternal resistance 10 ANALOG CONTROL ote The Ext R configuration is recommended for safety reasons In the event that the cables become accidentaly disconnected the current output will drop to zero Under similar circumstances using Ext R Y an unexpected high current would be output If swtiches are used to switch between fixed resistances use switches that avoid creating open circuits Use short circuit or continous resistance switches Connection Power EXT R supply z 9 Analog connector 2 core shielded wire or twisted pair Output Pin9 EXT R Pin8 EXT R Wire shield negative output terminal _ Steps Connect the external resistance according to the connection diagrams above Set the F 91 CC Control Page 96 configuration settings to 2 for Ext or 3 for Ext RIX Be sure to cycle the power after the power on configuration has been set Press the Function key and confirm Function the new configuration settings F 91 2 or 3 109 2260B Series User Manual 3 Press the Output key The current Output can now be controlled with the f External resistance W 22 w ote Ensure the resistor s and cables used exceed the isolation voltage of the power supply For example insulation tubes with a withstand voltage higher than the pow
82. ting Current rating Power 2260B 30 36 360W models 0 30V 0 36A 360W 2260B 80 13 360W models 0 80V 0 13 5 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 360 Watt models 720 Watt models GETTING STARTED Main Features Performance High performance power Power efficient switching type power supply Low impact on load devices Fast transient recovery time of 1ms Fast output response time Features OVP OCP and OTP protection Adjustable voltage and current slew rates User adjustable bleeder control to quickly dissipate the power after shutdown to safe levels Extensive remote monitoring and control options Support for serial and parallel connections Power on configuration settings Web server monitoring and control Interface Ethernet port Analog connector for analog voltage and current monitoring USB host and device port 2260B Series User Manual Accessories Standard Accessories Optional Accessories Download 10 Part number 196353000 174627900 020312300 063453400 071305501 PWRKI A _ 071305700 001163200 001163300 Part number 2260B EXTERM 2260B RMK JIS 2260B RMK EIA 2260B GPIB USB Name keithley 2260B inf Description Test Leads x1 USB Cable Basic A
83. ting is enabled the power supply will automatically shut down when a protection setting has been tripped OCP OVP OTP Alarm output Alarms are output via the analog control connector The alarm output is an isolated open collector photo coupler output 24 GETTING STARTED Considerations The following situations should be taken into consideration when using the power supply Inrush current When the power supply switch is first turned 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 N Caution Allow at least 15 seconds between cycling the power Cycling the power on and off quickly can cause the inrush current limiting circuit to fail as well as reduce the working life of the input fuse and power switch Pulsed or Peaked loads When the load has current peaks or is pulsed it is possible for the maximum current to exceed the mean current value The 2260B power supply ammeter only indicates mean current values which means for pulsed current loads the actual current can exceed the indicated value For pulsed loads the current limit must be increased or a power supply with a greater capacity must be chosen As shown below a pulsed load may exceed the current limit and the indicated current on the power supply ammeter 25 2260B Series User Manual Current li
84. to the instrument is disabled before handling the power supply output terminals Failing to do so may lead Steps 1 Turn the power switch off to electric shock il NN Remove the output terminal cover Page 36 If necessary screw the chassis Page 28 ground terminal to either the positive or negative terminal See the grounding chapter for details Ground Sense joining plates 4 Choose a suitable wire gauge for Page 33 34 the load cables 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 8 Reattach the output terminal Page 36 cover Connection Using M4 screws Using M8 bolts without sense Negative Negative wiring Connection with sense wiring potential potential Positive Positive potential potential Using M4 screws Using M8 bolts Sense Sense 35 2260B Series User Manual Using the Output Terminal Cover Steps 1 Remove the screw holding the top cover to the 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 4 Use your thumb to slide the terminal covers shut as shown
85. to the point that the current output reaches the Iser level the power supply switches to CC mode 20 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 Iser and the voltage output is less than Vser ISET 21 Slew Rate Theory Bleeder Control Background 2260B Series User Manual The 2260B has selectable slew rates for CC and 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 High Speed Priority mode disables slew rate settings for CC or CV mode Slew Rate Priority mode allows for user adjustable slew rates for CC or CV mode The rising and falling slew rate can be set independently The 2260B DC power supplies employ a bleed resistor in parallel with the output terminals Bleed Load resistor Bleed resistors are designed to dissipate the power from the power supply filter capacitors when power is turned off and the load is disconnected Without a bleed resistor power 22 GETTING STARTED 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 blee
86. unction settings for F 20 1 page 90 If not reinsert the USB flash drive Configure 1 08 Test Sequence Page 76 Export from 0 10 internal memory slot T 03 range 1 10 The test sequence file will now be copied to the USB flash drive N Note Error messages If you try to export a test sequence from an empty memory location Err 003 will be displayed on the display err Remove Test Sequence Overview The Remove Test Sequence function will delete a test sequence from the internal memory slot 80 OPERATION Steps 1 Select T 04 Test Sequence 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 will be displayed on the display Test Sequence Error Messages Overview The following error code numbers may appear on the display when trying to run a test sequence Use the error code numbers determine the cause of the error For example If Error 52 appears on the display it indicates that one of the Time sec fields is over range for the test sequence Error Details 1 SEQ ERR FILE NOT FOUND 2 SEQ ERR FILE IS TOO LARGE 3 SEQ ERR ALLOCATE MEMORY ERROR 4 SEQ_ERR__OPEN_T
87. ve Remove the output terminal cover Page 36 and the protection dummy plug from the analog control connector Connect the master and slave unit in series as shown above Reattach the terminal cover Page 36 N Note Ensure load cables have sufficient Page 33 current capacity Re attach the protection dummy plug when not in use Master Slave Series Operation Master Slave Configuration Before using the power supplies in series the master and slave units need to be configured 68 Configure the OVP and OCP Page 43 settings for the master unit OPERATION For each unit hold the Function key while turning the power on to enter the power on configuration settings Configure F 93 Master Slave Page 96 setting for each master slave unit Unit 93 Master local series operation 0 Slave unit series 4 Cycle the power on the units reset the power N Note Configuration settings can be checked for both the master and slave units by pressing the Function key Master Slave Operation Only operate the power supplies in series if the units are configured correctly 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 Master unit Slave unit roan Z C s88 Ces os L 69 2260B Seri
88. voltage and current voltage and power or current and power Steps 1 Press the PWR DSPL key The PWR DSPL PWR DSPL key lights up 2 The display changes to voltage and power V W 3 To switch between displaying A W and V W simply press the corresponding Voltage or Current knob For example when in A W mode press the Voltage knob to display V W Conversely when in V W mode press the Current knob to display A W Voltage AH Current 5L L e When V W is displayed the Voltage knob can still be used to change the voltage level e When is displayed the Current knob can still be used to change the current level Exit Press the PWR DSPL key again to PWR DSPL return to normal display mode The PWR DSPL light will turn off 51 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 Activate the panel Press the Lock Local key to active Lock Local lock the panel lock The key will become illuminated Disable the panel Hold the Lock Local key for 3 Lock Local lock seconds to disable the panel lock The Lock Local light turns
89. voltage output101 Bleeder control Description sess 22 Build date V EW 41 Caution symbol 3 CC and CV mode description eene 20 CC mode operation 48 Cleaning the instrument 5 Configuration calibration settings 94 LAN settings see 91 Normal function settings 87 normal function settings operation OVeIVIEW power on configuration operation96 power on configuration settings 93 System settings 92 tablen aee annes 84 test sequence settings 75 148 USB GPIB settings 90 utility function settings 76 Conventions u sse 38 Dimensions diagram ie n qu 145 Display format 138 Display mode 51 Disposal instructions 5 61010 measurement category 4 pollution degree 5 Environment safety instruction cee 5 Error messages 138 test sequences 81 Ethernet interface eset 123 lt 124 WED 123 PAO 134 Filter installation 1 Front panel diagram 12 Ground symbolissass
90. www keithley com 2260B Series 360W and 720W Multi Range Programmable DC Power Supplies User Manual Rev A March 2014 A Greater Measure of Confidence KEITH LEY A Tektronix Company Series 2260B 360W and 720W Multi Range Programmable DC Power Supplies USER MANUAL 150 9001 CERTIFIED MANUFACTURER mmm 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 Table of Contents Table of Contents SAFETY INSTRUCTIONS 3 GETTING STARTED 7 2260B Series Overview 8 Appearance erede 12 Theory of 18 OPERATION pese ET 30 Set Up i eee Ta dioe oes 31 Basic Operation 43 Parallel Series Operation 56 Test Sequence 71 CONFIGURATION ornnes n IRE ER ER IRR 83 Configuration cierre terere tatis 84 ANALOG CONTROL ha heran a redo 98 Analog Remote Control Overview 99 Remote 115 COMMUNICATION INTER

Series 2260B User Manual

Contents

Download Pdf Manuals

Related Search

Related Contents