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KLP User Manual

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2. n n C 2 E A mes S U EX VO ON PI 3 TERMI Or DU VU U d EK 3 LOU DA MIZ SA 4 A c A i E NA R IV N ALD NALC 0 SETTING KES BE SEE ES vd PNE 8 xa Y 3 V r i JIP l l FOR DMV SN FOR 10V 20 AND 36V AN en ODELS ONLY V O NA A A d E 4 V A Y B ME Sl ERS INSTALLED FOR OCA S SINC ULA 3 YO QUE AS FIGURE 2 2 KLP SERIES REAR PANEL SWITCH AND CONNECTORS KLP HV 031308 TABLE 2 3 IEEE 488 PORT CONNECTOR J4 PIN ASSIGNMENTS Fin SIGNALNAME BONN O E 4 DIO7 VO Line KIT ENE TABLE 2 4 RS232 PORT CONNECTOR J3 PIN ASSIGNMENTS 1200 MODELS ONLY PN SIGNAL NAME FUNCTION NOTE A null modem cable see Table 1 4 is required for nearly all applications with the exception of those in which RXD and TXD line transposition is accomplished via external hardware e g older Apple MAC computers with D sub serial port Data Carrier Detect protocol not used e OS pat sa Rees ese eed Res ear To Send protocol not use 8 TRI Re dees protocol noted KLP HV 031308 TABLE 2 5 LAN PORT CONNECTOR J7 PIN ASSIGNMENTS 1 2K MODELS ONLY SIGNAL NAME FUNCTION SSC KSE 3 ee 3 morso 8 morso RE rene e L rese TABLE 2 6 CONTROL INPUT TERMINAL BLOCK ASSIGNMENTS TABLE 2 7 ANALOG I O CONNECTOR J2 PIN ASSIGNMENTS PIN SI
3. TU oi ie T BEFORE RAC L INSTALLATION OF FEET IS FAILURE TO REINSTALL FEET ALL HARD IED OR A 33 LONGER SCR RESULT IN IE UN EN yo l E KAN O 1 0 05 992399 0 018 0 566 14 37 pen mg 1 168 29 65 FIGURE 1 3 KLP SERIES POWER SUPPLY MECHANICAL OUTLINE DRAWING SHEET 2 OF 2 KLP 031308 1 4 1 4 1 1 4 2 1 4 2 1 1 4 2 2 1 4 3 1 8 FEATURES LOCAL CONTROL Two front panel rotary encoders allow adjustment of voltage and current setpoints and limits Operating mode of the power supply is indicated by lighting either a green Constant Voltage or amber Constant Current LED The output can be enabled or disabled by the front panel DC OUTPUT switch an associated indicator lights when the output is enabled applied to the load Two 4 character LEDs normally display actual output voltage and current or programmed volt age and current limits in setpoint mode The voltage and current controls and their associated LED displays are also used with the FUNCTION and PROTECT switches and the 4 character status display for various other func tions described in PAR 3 2 A local lockout feature see PAR 3 2 2 1 prevents alteration of the power supply settings from the front panel when the power supply is operating in remote mode REMOTE CONTROL Remote control of the KLP Power Supply can be accomp
4. 9 Compare the voltage reading of the DC VOLTS display with that of the DVM the difference between the two should not exceed 0 1 of the maximum voltage of the unit 10 Enter different value for output voltage then repeat steps 8 and 9 using different values for programmed voltage 11 Disable the output by pressing and releasing DC OUTPUT switch verify front panel DC VOLTS and DC AMPERES displays read 0 0V and minimal current and the DC OUTPUT indicator is off INSTALLATION RACK MOUNTING The unit is intended to be mounted directly in a 19 inch wide rack Optional slides see Table 1 4 can be used WIRING INSTRUCTIONS Interconnections between an a c power source and the power supply and between the power supply and its load are as critical as the interface between other types of electronic equipment If optimum performance is expected certain rules for the interconnection of source power sup ply and load must be observed by the user These rules are described in detail in the following paragraphs KLP HV 031308 2 7 2 7 1 2 1 2 2 7 2 1 SAFETY GROUNDING Local national and international safety rules dictate the earth grounding of the metal cover and case of any instrument connected to the a c power source when such grounding is an intrinsic part of the safety aspect of the instrument KLP is provided with a three terminal IEC appliance coupler for connection of the mains supply source one terminal of which is
5. 2 7 5 1 2 10 POWER SUPPLY LOAD INTERFACE The general function of a voltage or current stabilized power supply is to deliver the rated output quantities to the connected load The load may have any conceivable characteristic it may be fixed or variable it may have predominantly resistive capacitive or inductive parameters it may be located very close to the power supply output terminals or it may be a considerable distance away The perfect interface between a power supply and its load would mean that the specified performance at the output terminals would be transferred without impairment to any load regardless of electrical characteristics or proximity to each other The stabilized d c power supply is definitely not an ideal voltage or current source and practical interfaces definitely fall short of the ideal All voltage stabilized power supplies have a finite source impedance which increases with frequency and all current stabilized power supplies have a finite shunt impedance which decreases with frequency The method of interface between the power supply output and the load must therefore take into account not only the size with regard to minimum voltage drop but the configuration with regard to minimizing the impedance introduced by practical interconnection techniques wire bus bars etc The series inductance of the load wire must be as small as possible as compared to the source inductance of the power supply although the e
6. CALIBRATION GENERAL This section contains the calibration instructions for the Power Supply It is recommended that the user be familiar with Local Mode operation PAR 3 2 before calibrating the unit A full calibration consist of a voltage calibration and a current calibration Both voltage and cur rent calibrations consist of a zero and a full scale calibration External calibration calibrates the precise user defined reference voltages used that will be equivalent to full scale output when external analog programming is used NOTE Calibrating the unit resets all internal memory locations used for saving active settings SAV RCL programmed sequences using the LIST commands and trigger levels established by CURR TRIG and VOLT TRIG These parameters are returned to the default minimum 0V minimum A In order to enter the calibration mode the correct unit password must be entered If the pass word has been forgotten call the factory and a special password which has been assigned to your power supply will be provided During the calibration new calibration data is computed which is then stored in the nonvolatile memory either when EXIT is executed local mode PAR 4 3 4 or SAVE Calibration is executed remote mode PAR 4 4 4 Calibration of the KLP is performed in one of two ways locally using the front panel controls PAR 4 3 or remotely using the graphical interface supplied with the VXI plug amp play instrument drive
7. Click the PRESS TO ACCEPT button to accept the value The status display reads OUTC Connect to DVM to Analog VO Port J2 pin 7 and DVM to pin 13 Click the button to increase and the to decrease the output current until the DVM reads as close as pos sible to 10V Click the PRESS TO ACCEPT button to accept the value The status display will not change Click the ANALOG REF button on the calibration window to proceed to external calibration see PAR 4 4 3 ANALOG REFERENCE CALIBRATION VXI plug amp play DEMO During analog reference calibration the external analog reference voltages used to establish full scale output current and voltage are defined The factory default calibration of 10V programs full scale output however the following procedure allows any d c value up to 10V to program full scale while a voltage proportionately less programs a corresponding decrease in the output NOTE The full scale programming voltage has a 1 1 correspondence with the external read 1 back i e 10V full scale programming voltage results in a 10V full scale readback If the full scale programming voltage is changed to a value other than 10V the full scale readback voltage is changed accordingly Click the ANALOG REF button on the Calibration Window the Analog Reference Calibration Window Figure 4 4 appears and the status display on the VXI main panel reads INPV When the reference voltage is at the desired value click t
8. KLPO31308 SECTION 3 OPERATION GENERAL This section explains how to operate the KLP Power Supply Series KLP feature three modes of operation Local Mode This is the default operating mode providing full access to all programming and readback functions via front panel displays controls and indicators see PAR 3 2 Digital Remote Mode see PAR 3 3 This mode is selected via commands transmitted through one of the two digital ports One port is configured for IEEE 488 GPIB The second port is either an RS 232 port 1200 Models or a LAN port 1 2K models The digital ports are described in the KLP Developer s Guide The power supply automati cally goes into digital remote mode when commands are accepted via one of the digital ports e Analog Remote Mode This mode is selected via a jumper wire at the analog program ming port prior to initial turn on and provides limited access to programming and read back functions see PAR 3 4 LOCAL MODE OPERATION Local operation of the KLP Power Supply is accomplished via the front panel switches and con trols illustrated in Figure 2 1 and described in detail in Table 2 1 Separate 4 digit LEDs display actual output voltage and current these same displays show set points and limits as well Sta tus and fault indications are provided by a 4 character alpha numeric display TURNING THE POWER SUPPLY ON 1 To turn the power supply on set POWER ON OFF circuit breaker 1 Figu
9. OLF TEMP and PWR settings To exit tap the DC OUTPUT switch while the status display shows RTN 4 To change a setting tap the DC OUTPUT switch while the status display shows the fault The setting in the DC VOLTS display begins to blink Rotate either VOLTAGE or CURRENT control to cycle through the allowable settings Tap the DC OUTPUT switch to accept the setting shown in the DC VOLTS display 5 To continue rotate either VOLTAGE or CURRENT control to select another fault To exit either select RTN and tap the DC OUTPUT switch to go to the next highest menu or tap the FUNCTION switch to exit function mode ANALOG INPUT FULL SCALE CALIBRATION Enter UTIL menu see PAR 3 2 13 steps 1 through 3 and rotate either VOLTAGE or CUR RENT control until status display reads INVC The DC VOLTS display shows the analog input voltage value that produces the full scale output voltage established by the virtual model The DC AMPS display shows the analog input voltage value that produces the full scale output current established by the virtual model 1 To change the settings tap the DC OUTPUT switch 2 Rotate VOLTAGE control to set the analog voltage value required to produce the full scale output voltage for fine adjustment press in VOLTAGE control and hold while rotating 3 Rotate the CURRENT control to set the analog voltage value required to produce the full scale output current for fine adjustment press in CURRENT control and h
10. Temperature fault PROTECT SAFE or AUTO PWR Loss of source power fault PROTECT SAFE or AUTO FAN Fan failure fault PROTECT not configurable KLP031308 3 2 13 6 KLPO31308 1 Enter UTIL menu see PAR 3 2 13 steps 1 through 3 and rotate either VOLTAGE or CUR RENT control until status display reads SYST then tap DC OUTPUT switch Rotate either VOLTAGE or CURRENT control to until the status display reads RCOV The DC VOLTS and DC AMPERES displays show a series of bars that give a snapshot pic ture of the recovery configuration as defined in Figure 3 1 The location of the bar top mid dle or bottom corresponas to the risk level high for AUTO middle for SAFE and low for PROTECT The character positions are assigned to the configurable faults as shown PWR TEMP OL pA que NOTE I l I THE FOLLOWING SETTINGS ARE SHOWN a AU TO m PWR SET TO AUTO SAFE TEMP SET TO AUTO OLF SET TO PROTECT KK PROTECT OVP SET TO SAFE OCP SET TO PROTECT FIGURE 3 1 FAULT RECOVERY CONFIGURATION DISPLAY 2 To change a fault recovery setting tap the DC OUTPUT switch to enter the Recovery menu 3 The status display shows PASS Enter the unit password see PAR 3 2 5 and tap DC OUT PUT switch to accept the number When the password is accepted status display reads OVP and the DC VOLTS display shows the present fault recovery status PROT or SAFE for OVE Rotate either VOLTAGE or CURRENT control to cycle through OVP OCP
11. f Remote Inhibit is used it should only be connected to the master KLP031308 3 2 12 KLPO31308 If E241 hardware error is showing in the status display check the master and or slave setup If necessary use FUNCTION switch to enter the M S menu to change the config uration as described above If there is no communication between units for approximately 10 seconds all units will turn off their output and the status display will flash E241 hardware error then xoFy where x unit number and y total number of units and finally the serial parallel config uration setting SERI Or PARA LAN INTERFACE CONFIGURATION 1 2K MODELS ONLY Using a thin tool e g end of paper clip press FUNCTION switch once until status display reads VIRT then rotate either VOLTAGE or CURRENT control until status display reads LAN Press DC OUTPUT switch to enter the LAN Interface configuration menu Rotate either VOLT AGE or CURRENT control to see the available functions LRST LAN Reset To restore the LAN interface configuration to the factory default rotate either VOLTAGE or CURRENT control to show YES in the DC VOLTS display then press DC OUTPUT switch The factory default settings are listed in PAR 3 3 1 3 DHCP DHCP status is displayed in the DC VOLTS display To change the setting press DC OUTPUT switch then rotate either VOLTAGE or CURRENT control to see desired setting and press DC OUTPUT switch to save e ON The KLP requests an
12. 3 15 is a simplified diagrams of the KLP showing the switch configuration and external connections required for analog programming using an external voltage 1 Virtual Model PAR 3 2 6 and Overvoltage and Overcurrent settings PAR 3 4 4 must be established via either local programming or digital remote programming prior to initiating Analog Remote programming 2 Turn off power and configure the Analog VO DIP switch Figure 2 2 as follows SW1 OFF Program output voltage via voltage SW2 OFF Program output current via voltage SW3 either OFF or ON disabled when in remote analog programming mode see Table 2 2 SW4 Reserved Do not use SW5 Either OFF Local controls enabled or ON Local controls locked 3 Configure Analog I O Port J2 Figure 2 2 by referring to Table 2 7 and Figure 3 15 ground ing J1 pin 12 enables analog programming 4 Refer to PAR 3 4 4 to change overvoltage or overcurrent setting in analog programming mode With the power supply configured as shown in Figure 3 15 and assuming the load causes the power supply to operate in voltage mode varying source voltage V2 from 0 to maximum causes the output voltage of the power supply to vary linearly from O to full scale while V1 can be used to adjust the current limit When the power supply operates in current mode V2 will adjust the voltage limit and V1 will adjust output current Factory default full scale F S voltage programming is 10V To set ful
13. 45 66 Hz or 125 420V d c input source power Since there are no internal adjustments KLP Power Supplies offer excellent out put voltage current stability and easy calibration Output voltage and current are displayed on independent LED displays Control of the KLP can be either local via the front panel controls and displays or remote using 1 either analog sig nals applied to the Analog I O Port or 2 digital programming via either a IEEE 488 2 GPIB bus b RS 232 communication bus 1200 Models only The 1 2K Models also offer direct or web page control via the LAN port Digital control is done with 12 bits of resolution over the entire voltage current range The full rack cross section permits mounting in a standard 19 inch wide rack for optional chas sis slides see Table 1 4 Load connections are made at the rear panel Sensing monitor and current share terminals are also available at the rear panel Outline dimensions are provided in Figure 1 3 SPECIFICATIONS Table 1 1 lists the parameters applicable to individual models Table 1 2 lists general specifica tions applicable to all models except where otherwise noted 1 1 CUI INDICATES 1200 WA AXIMI Pos NE KLF d E A AA P KLP 300 8 Ls Zn i 9 KLP KL e A N b 4 a x P di
14. 718 767 1102 email ha kepcopower com World Wide Web http www kepcopower com Declaration of Conformity Application of Council directives 73 23 EEC LVD 93 68 EEC CE mark Standard to which Conformity is declared EN61010 1 2001 Safety requirements for electrical equipment for measurement control and laboratory use Part 1 Manufacturer s Name and Address KEPCO INC 131 38 SANFORD AVENUE FLUSHING N Y 11352 USA Importer s Name and Address Type of Equipment Component Power Supply Model No PRODUCT MODEL NUMBER Year of Manufacture the undersigned declare that the product specified above when used in conjunction with the condi tions of conformance set forth in the product instruction manual complies with the requirements of the Low Voltage Directive 73 23 EEC which forms the basis for application of the CE Mark to this product Place KEPCO Inc 131 38 Sanford Ave Flushing N Y 11352 USA Saul Kupferberg Full Name Date VP OF SALES position 228 1348 DC COMP INST 031308 Conditions of Conformance When this product is used in applications governed by the requirements of the EEC the following restric tions and conditions apply 1 For European applications requiring compliance to the Low Voltage Directive 73 23 EEC this power supply is considered a component product designed for built in applications Because it is incom plete in construction the end product enclosu
15. C Programming by resistance voltage current Supported Interfaces 1200 Models 1 2K Models GPIB and LAN Version 1 2 2 SCPI Telnet port 5024 3 SCPI Sockets port 5025 4 VXI 11 port 1024 Factory default is 6 Factory default is 38 400 GPIB GPIB address range 1 to 31 RS 232 1200 Models Baud Rate range 2400 4800 9600 19 200 or 38 400 Safety Extra Low Voltage SELV compatible with SCPI protocols 0 024 of Emax and Imax 0 05 of Emax and Imax 0 024 of Emax and Imax 0 1 of Emax and Imax Status reporting OVP OCP OTP output lead fault See PAR 1 4 4 and 1 4 9 OLF fan failure power loss W98 SE and later operating systems KLP 031308 1 5 GCT L a pe i D NES Qooooooooeooo0oco e Ej m an 90ooooooe 60000 E qd Y YY aan LA Co ap Lj LJ 4 Z uio fv C fe E zd O z de EO i gt Oo VWE Ee Q X 1 y X i UJ e A 4 E 563 Ev O CN POU gt ae O C gt fa DE loua o 5 IR a N N CO N s ZN sa C Pl n po 00 PAS a a e p NA I L 00 FON CO A L m 7 V P N p KLP SERIES POWER SUPPLY MECHANICAL OUTLINE DRAWING SHEET 1 OF 2 KLP 031308 FIGURE 1 3 1 6
16. Cur rent Calibration Window Figure 4 3 appears and the status display on the VXI main panel reads CMAX Must enter password to access Calibration Pass ORD one Full Scale Calibration Conect DVM to Calibration Resistor ero Calibration E External Calibration ANALOG HEF E See Manual for Proper Setup OUTPUT ON OFF Instruction Use to Adjust Current ta Max _ J J J SAVE CALIBRATION FIGURE 4 3 CURRENT CALIBRATION WINDOW Conect DYM to Calibration Shunt 2 Monitor DVM and click the button to increase and the to decrease the output current until the DVM reads as close as possible to maximum rated current Calculate current as fol lows Amperes DVM reading Volts Shunt Resistance Ohms 3 Click the PRESS TO ACCEPT button to accept the value The status display reads C_0 Click the button to increase and the to decrease the output current until the DVM reads as close as possible to minimum positive or zero current Calculate current as follows Amperes DVM reading Volts Shunt Resistance Ohms KLP 031308 4 7 4 4 3 4 8 4 Click the PRESS TO ACCEPT button to accept the value The status display reads CMAX Click the button to increase and the to decrease the output current until the DVM reads as close as possible to maximum rated current Calculate current as follows Amperes DVM reading Volts Shunt Resistance Ohms
17. Guide for details on the use of triggering Kepco provides three instrument drivers IVI COM LabView G and VXI plug amp play which sim plify programming of the KLP power supply via the digital interfaces These drivers are described in the KLP Developer s Guide and can be downloaded from the Kepco web site at http www kepcopower com drivers REMOTE PROGRAMMING USING THE IVI COM INSTRUMENT DRIVER The IVI COM driver for KLP is available for download at the Kepco web site www kepco power com drivers Examples are provided in the KLP Developer s Guide REMOTE PROGRAMMING USING THE LABVIEW G INSTRUMENT DRIVER The LabView G driver for KLP available for download at the Kepco web site www kepco power com drivers includes a LabView G demonstration program that greatly simplifies pro gramming the unit with a Windows compatible computer After running a setup a soft front panel is visible on the computer monitor that allows all the functionality of the local front panel The LabView G soft front panel controls are explained in the KLP Developer s Guide REMOTE PROGRAMMING USING THE VXI plug amp play INSTRUMENT DRIVER The VXI plug amp play driver for KLP available for download at the Kepco web site www kepco power com includes a demonstration program that greatly simplifies programming the unit via the GPIB or RS 232 ports with a Windows compatible computer After running a setup a soft front panel is visible on the comput
18. K wae Palli KLP 20 120 N LE A 65 WV 9 an S ji 20 i VWV V gt 8 o gt T lt lt lt T x TS NFO o m S D AOD A B lt P 600 DA A 600 8 AA A L 4 SA A le e 5 5 OV wD AF OPERATING REGION FOR EACH MODEL DEFINED BY KLP 36 60 36V 33 3 50 d N e EC ND ES E A Po B EE aM Zl 2 20 60 20A LP 10 15 10 126 50A 4224 PPI IO BOTH 12 DEL KLP 150 16 4 KLP 300 8 KLP 600 4 1 2 3 3 FIGURE 1 2 KLP OPERATING REGIONS TABLE 1 1 MODEL PARAMETERS Maximum Rated current for Current rated voltage Rangel Minimum programmable current Maximum voltage for 0 10V rated current Efficiency 10115 Va c 0 36V 33 3A 36V 0 60A 20V 60A 125 mv 1 The maximum current and voltage are constrained by the 1200 watt power limitation see Figure 1 2 2 Bandwidth 20MHz low frequency ripple may be higher at loads less than 30 Watts 3 Specifications listed apply to both 1200 and 1 2K Models KLP 031308 TABLE 1 2 KLP SPECIFICATIONS RATING DESCRIPTION CONDITION COMMENT INPUT CHARACTERISTICS nominal 110 240 Va c Single Phase a c voltage 100 255 Va c Wide Range contact factory for opera tion to 265V a c d c voltage range 125 420 Vd c No regulatory agency approval nominal range 50 60 Hz Frequency maximum 45 440 Hz Increased Leakage above 66 Hz Power Factor typical NT ES Meets EN 61000 3 2 Maximum Input Current 120 Va
19. LIST commands To define a virtual model proceed as follows 1 If the status display shows SET tap either the CURRENT or VOLTAGE controls to take the unit out of setpoint mode status display goes from SET to blank 2 Using a thin tool e g a paper clip press the FUNCTION switch once so that the status dis play reads VIRT The DC VOLTS and DC AMPERES displays show the programmed maxi mum voltage and current of the virtual model To exit without changing the virtual model rotate either VOLTAGE or CURRENT control until Status display reads EXIT then tap DC OUTPUT switch To change the virtual model limits proceed to step 3 3 Press the DC OUTPUT switch once The status display shows PASS Enter the unit pass word see PAR 3 2 5 and tap DC OUTPUT switch to accept the number When the pass word is accepted the virtual model settings in the DC VOLTS and DC AMPERES displays begin blinking 4 Rotate VOLTAGE and CURRENT controls until desired values appear in DC VOLTS and DC AMPERES displays Pressing and holding the control in while turning provides a finer adjustment resolution Under no conditions will the power supply accept limits beyond its maximum ratings of voltage and current As the primary parameter is increased the power supply will automatically decrement the secondary parameter as necessary to maintain max 3 5 3 2 7 3 2 7 1 3 2 7 2 3 6 imum output power at 1200 Watts Maximum current shown on DC AMPERES
20. Model means for KLP and how the virtual model affects other parameters Click Virtual Model to open the Virtual Model dialog box Fig ure 3 13 The current virtual model settings gray are displayed To change the settings enter the Unit Password see PAR 4 and press ENTER key on the computer keyboard After the password is accepted the Unit Password field is inaccessible gray and the Maximum Voltage and Maximum Current fields can be changed Enter either maximum voltage or maximum cur rent the other field will be filled in automatically for a maximum of 1200 Watts then press ENTER key all fields are gray for a second or two while the power supply accepts each entry The Password field is reset after leaving the Virtual Model dialog box KLP031308 3 4 3 4 1 KLPO31308 Setting a new virtual model resets the setpoints to zero Volts and minimum Amperes and resets the OVP and OCP values to 120 of virtual model maximum A minimum programmed current is required to ensure proper operation of the power supply under all load conditions Pro grammed current is automatically set to be at least the minimum current actual value depends on model see Table 1 1 If DIP switch position 3 is enabled see Table 2 2 stored setpoints for voltage and current are cleared when the virtual model settings are saved SAVE VIRTUAL RECALL MODEL PROTECTION FIGURE 3 13 VIRTUAL MODEL DIALOG BOX REMOTE PROGRAMMING USING ANALOG SIGNALS The volt
21. between minimum and maximum virtual model limits Programming inputs are only active when analog port is enabled See PAR 3 4 2 for details How do I Read back operating voltage and current Analog signals proportional to actual output voltage and current levels are available at VOLT RBACK pin 6 and CURR RBACK pin 7 of analog VO port Full scale signal level is the same as that for full scale programming Readback signals are always available at analog port even if analog programming is not enabled How do l exit remote analog programming mode Simultaneously depressing and releasing both Voltage and Current knobs forces the unit to exit remote analog programming mode and return to local operating mode this can also be done by sending any command or query via the remote digital inputs To restore remote analog control cycle source power OFF for five seconds then restart REMOTE DIGITAL OPERATING MODE INSTRUCTIONS How do l enable digital operating mode Sending any digital command or query via either the GPIB LAN or RS 232 port immedi ately sets the unit in remote digital operating mode and disables the local operating controls on the front panel For details on com mand formatting and communication protocols see PAR 3 3 How do l exit remote digital programming mode Simultaneously depressing and releasing both Voltage and Current knobs will force the unit to exit remote digital programming mode and return to local operating mode Remote
22. bo foede indi aa Ee i ui oae 3 18 3 3 1 2 RS 232 Factory Defaults 1200 Models On 3 18 3 3 1 3 LAN Factory Defaults 1 2K Models Onlyl ees ees ee ee ee EE ee ee ee ee ee ee RR ee ee ee ee ee ee EE ee ee 3 18 3 3 2 Additional Functions Not Available from the Front Panel iese ee EE ee ee ee ee Re ee ee ee ee ee ee ee 3 19 3 3 3 Remote Programming Using the IVI COM Instrument Driver 3 19 3 3 4 Remote Programming Using the LabView G Instrument Der 3 19 3 3 5 Remote Programming Using the VXI plug amp play Instrument Der 3 19 3 3 6 Remote Programming Using the Web Interface 1 2K Models Only ee ee ee Ee ee EE ee ee 3 19 3 3 6 1 Finding Kepco Power Supplies on the LAN 1 2K Models Only ee ee ee ee EE ee ee ee 3 20 3 3 6 2 Launch Web Interface 1 2K Models Ont 3 21 3 3 6 3 Instrument Configuration Using Web Interface 1 2K Models Only 3 22 3 3 6 4 LAN Configuration Using Web Interface 1 2K Models On 3 23 3 3 6 5 Operating The Unit Using Web Interface 1 2K Models Only 3 24 3 3 6 5 1 Changing the Output 1 2K Models Only 3 25 3 3 6 5 2 Changing Protection 1 2K Models Only 3 25 3 3 6 5 3 Using Save and Recall 1 2K Models Oh 3 25 3 3 6 5 4 Resetting the Unit RST 1 2K Models On 3 27 3 3 6 5 5 Using a List User Programmed Sequences 1 2K Models Only 3 27 3 3 6 5 6 Setting Virtual Model 1 2K Mode
23. control knob in while turning provides fine adjustment Rotating knob controlling limit parameter Voltage in CC mode Current in CV mode changes limit setting however change is invisible since actual outputs are displayed on VOLTS and AMPS displays see PAR 3 2 7 1 How can see what the voltage and current setpoints are Tap press and release either Voltage or Current knob once to enter setpoint mode status reads SET VOLTS and AMPS displays show the setpoints Tap either knob once to exit setpoint mode SET disappears see PAR 3 2 7 2 How do change voltage and current setpoints enter and exit setpoint mode Setpoint mode can be entered with output enabled or disabled but output CAN NOT be enabled while setpoint mode is active Tap press and release either Voltage or Current knob once to enter setpoint mode status reads SET Rotate Voltage and Current knobs until desired values appear in VOLTS and AMPS displays pressing and holding control knob in while turning provides fine adjustment Tap either knob once to exit setpoint mode SET disappears see PAR 3 2 7 2 What happens when setpoint mode is exited If the output is enabled exiting setpoint causes output to jump to new setpoints If the output was disabled prior to or while in setpoint exiting setpoint stores the new settings in memory when output is enabled output jumps to programmed setpoints When setpoint is exited VOLTS and AMPS revert to actual output values as d
24. displacing prior ones When the power supply is turned off the last settings are saved and automatically retrieved at next power up as the starting setpoints Note that this func tion applies to setpoint entries only PAR 3 2 7 2 output changes entered in real time mode PAR 3 2 7 1 are not saved To disable this function turn the unit off and set Analog VO Switch 3 to the OFF up position at next power up the stored value buffer is cleared and setpoints will default to zero volts and minimum current NOTE If the virtual model for the power supply is altered the last settings are reset to zero volts and minimum current VIEWING CHANGING OVERVOLTAGE OR OVERCURRENT PROTECTION VALUES Overvoltage and Overcurrent protection values can be individually programmed The range for overvoltage and overcurrent values are 0 2 to 1 2 x Eomax and 0 72 to 1 2 x lomax If the out put voltage current exceeds the overvoltage overcurrent protection value the protection circuit latches the output off flashes an overvoltage OVP or overcurrent OCP protection error mes sage on the status display and sets a status bit that can be retrieved through the RS 232 GPIB or LAN port The unit must be cycled on and off to restore the output If the internal relay is pro grammed to FAULT mode see PAR 3 2 13 3 the N O and N C contacts of the relay provide status flags via the Analog I O port connector The maximum values are 1 2 x Eomax for over voltage protec
25. for programming and read back activities are calculated by the microcon troller and stored in the non volatile memory No internal adjustments are necessary The previ ous calibration is saved and can be restored if desired The original factory calibration can also be restored Calibration is password protected Refer to Section 4 for more information KLP 031308 1 4 4 1 4 5 1 4 6 1 4 7 1 4 8 1 4 9 KLP 031308 OVERVOLTAGE OVERCURRENT PROTECTION Overvoltage and Overcurrent protection values can be individually programmed If the output voltage current exceeds the overvoltage overcurrent protection value the protection circuit latches the output off flashes an overvoltage OVP or overcurrent OCP error message on the status display and sets a status bit that can be retrieved through the RS 232 1200 Models only LAN 1 2K Models only or GPIB port The N O and N C contacts of the relay provide status flags via the Analog I O port connector Refer to PAR 3 2 13 3 for more information USER DEFINED VOLTAGE CURRENT LIMITS VIRTUAL MODELS The KLP Power Supply can be programmed to user defined values that can be lower than the maximum values For example the KLP 36 60 1200 will automatically be limited to 1200 Watts as illustrated in Figure 1 2 however arbitrary limits e g 40A 30V or 30A 35V can be estab lished Once the limits are set setting values exceeding the limit values will not be accepted Refer to PAR
26. or 10 Kohms see par 4 3 3 to set lower values for full scale output c Voltage and Current Readback VOLT_RBACK and CURR_RBACK Twist the voltage readback signal VOLT RBACK pin 6 Current readback signal CURR_RBACK pin 7 together with ground pin 9 11 13 or 15 Full scale readback volt ages are identical to selected full scale programming voltages see PAR 4 3 3 d Remote Inhibit REM_INH Twist remote inhibit pin 8 together with ground pin 9 11 13 or 15 See PAR 3 2 13 5 1 to configure active high or low and PAR 3 4 1 to enable disable the output using remote inhibit e Fault Connections RELAY NC RELAY COM RELAY NO It is recommended that normally open and normally closed relay signals RELAY NC pin 10 and or RELAY NO pin 2 respectively be twisted together with RELAY COM pin 4 as needed to eliminate noise pickup See PAR 3 2 13 3 to configure internal relay f External Trigger EXT TRIG External Trigger may be used with the SCPI TRIG commands see KLP Developer s Guide during digital remote operation For noise suppression it is recommended that wires from EXT TRIG pin 14 and ground pin 9 11 13 or 15 be twisted together DIGITAL CONNECTIONS The following paragraphs describe the connections required to use the GPIB RS 232 1200 Models only or LAN 1 2K models only ports for remote control of the unit GPIB CONNECTIONS Your computer must have a GPIB interface card installed Connect the powe
27. show 1 4 To change the configuration tap the DC OUTPUT switch once The DC VOLTS and DC AMPERES start blinking e Specify either SERI series configuration for higher voltage or PARA parallel configura tion for higher current using either the VOLTAGE or CURRENT control by holding in and rotating the control Both connected units must be set the same either SERI or PARA e Specify the total number of units in the configuration to 2 by rotating the CURRENT con trol e Specify the unit number to be assigned 1 master by rotating the VOLTAGE control 5 Press DC OUTPUT to accept the displayed settings The unit briefly flashes wAIT then restarts with the new settings press FUNCTION to abort without changing the settings NOTE Until both units are configured properly the displays will cycle as follows status display will flash E241 hardware error then DC VOLTS status display and DC AMPERES flash x OF y where x unit number and y total number of units the status display flashes the type of connection SERI series or PARA parallel CONFIGURE POWER SUPPLY AS SLAVE 1200 MODELS ONLY Ts Turn power on If the unit comes up in setpoint mode see PAR 3 2 4 tap either the CUR RENT or VOLTAGE control to take the unit out of setpoint mode status display goes from SET to blank Using a thin tool e g a paper clip press the FUNCTION switch once until the status dis play reads VIRT Rotate either the CURREN
28. simple operational check after unpacking and before equipment installation is advisable to ascertain whether the power supply has suffered damage resulting from shipping Refer to Figures 2 1 and 2 2 for location of operating controls and electrical connections Table 2 1 explains the functions of operating controls and indicators NOTE This test must be performed with IEEE 488 RS232 1200 Models LAN 1 2K Mod els and ANALOG I O ports disconnected and ANALOG VO SETTINGS switch posi tions 3 and 5 set to OFF 1 With POWER circuit breaker set to OFF position connect the power supply to source power see PAR 2 7 2 2 With no load connected set POWER circuit breaker to the ON position Each time the unit is turned on an internal self test is performed After the test has been successfully com pleted the unit displays the following The status display flashes MODL model for two seconds while the DC VOLTS display shows Eomax and the DC AMPERES display shows loyAx E g for model 75 33 1200 DC VOLTS reads 75 and DC AMPERES reads 33 Then the status display flashes vIRT Virtual model for two seconds while the DC VOLTS display shows Eomax and the DC AMPERES display shows the current corre sponding to 1200W E g for model 75 33 1200 DC VOLTS reads 75 and DC AMPERES reads 16 Then the status display flashes PROT protection limits for two seconds while the DC VOLTS display shows 120 of Eomax and the DC AMPERES dis
29. 1 If the status display shows SET tap either the CURRENT or VOLTAGE controls to take the unit out of setpoint mode status display goes from SET to blank Using a thin tool e g a paper clip press the FUNCTION switch once until the status dis play reads VIRT Rotate either the CURRENT or VOLTAGE control until the display reads ADDR the active GPIB address is visible in the DC AMPERES display To change the address proceed to step 3 Tap the DC OUTPUT switch once The GPIB address visible in the DC AMPERES display begins blinking Rotate the CURRENT control to change the GPIB address then tap the DC OUTPUT switch to accept the displayed GPIB address The display briefly reads DONE then returns to ADDR Rotate the VOLTAGE control until display reads EXIT then tap the DC OUTPUT switch to exit CHANGING RS232 BAUD RATE 1200 MODELS ONLY The factory default RS232 baud rate is 38400 To change the baud rate from the front panel proceed as follows jn If the status display shows SET tap either the CURRENT or VOLTAGE controls to take the unit out of setpoint mode status display goes from SET to blank Using a thin tool e g a paper clip press the FUNCTION switch once until the status dis play reads VIRT Rotate either the CURRENT or VOLTAGE control until the display reads BAUD the active baud rate x 1000 is visible in the DC AMPERES display e g 38400 is dis played as 38 4 To change the baud rate proceed to
30. 232 or LAN or analog input ports in remote mode The virtual model settings are password protected see PAR 3 2 5 A multitude of possible 1200W power supplies may be emulated by defining the maximum volt age and current For example some of the possible power supplies that a KLP 36 60 1200 can emulate are 36V 33A 1200W 20V 60A 1200W 30V 40A 1200W and 35V 30A 1050W Refer to Table 1 1 and Figure 1 2 for the acceptable operating regions for each model NOTE Decreasing full scale voltage and or current does not improve programming resolution Whenever a virtual model is set overvoltage and overcurrent protect limits see PAR 3 2 8 are reset to 12096 of the new maximum value except where necessary to maintain minimum values as noted in PAR 3 2 8 Also if position 3 of the Analog I O DIP switch is set to recall previous setpoint values upon power up see Table 2 2 and PAR 3 2 7 3 the previous setpoint value is cleared so that after changing the virtual model the initial powerup will be at O Volts minimum current In addition the following parameters which are not accessible from the front panel see PAR 3 3 2 should be checked to ensure that there are no settings outside the range permitted by the new maximum programmable voltage and current Storage of User programmed Active Settings Save Recall e User determined output Sequences e External Triggers VOLT TRIG and CURR TRIG values e Sequences programmed using
31. 3 2 6 for more information STORAGE OF USER PROGRAMMED ACTIVE SETTINGS The KLP Power Supply contains 40 memory locations that can be used to store active settings This feature is only available via digital remote programming Values are stored in the nonvola tile memory and are retained when the unit is turned off refer to PAR 3 3 2 for more informa tion USER PROGRAMMED SEQUENCES The KLP Power Supply contains 100 memory locations for programming sequences that can program the KLP to produce a variety of sequential output operations Each memory location accommodates a value for voltage and current and a dwell time how long the parameter is to be in effect Values are stored in the volatile memory and are lost when the unit is turned off refer to PAR 3 3 2 for more information LAST SETTING RECALL The KLP Power supply has the ability to retain the last voltage and current setpoints pro grammed before the unit is shut off A DIP switch selection position 3 allows the user to deter mine whether the power supply is set to OV minimum current or the retained voltage and current setpoints upon the next power up sequence Refer to Table 2 2 and PAR 3 2 7 3 for more information BUILT IN PROTECTION KLP Series Power Supplies provide built in protection against the system faults listed below In each case a detected fault results in immediate latched shutdown of the power supply output In addition the status display flashes the a
32. AGE or CUR RENT control until status display reads SYST 2 Tap the DC OUTPUT switch to enter the System Configuration Functions menu 3 2 13 5 1 REMOTE INHIBIT CONFIGURATION KLPO31308 The Remote Inhibit signal REM INH is applied to analog I O port pin 8 see PAR s 2 7 9 and 3 4 1 This signal can be configured to be active inhibit the output for either a TTL high or low 1 Enter UTIL menu see PAR 3 2 13 steps 1 through 3 and rotate either VOLTAGE or CUR RENT control until status display reads SvsT then tap DC OUTPUT switch Rotate either VOLTAGE or CURRENT control until the status display reads rrNH and the DC VOLTS dis play reads either Hi or Lo 2 To change the remote inhibit setting tap the DC OUTPUT switch The status display shows PASS Enter the unit password see PAR 3 2 5 and tap DC OUTPUT switch to accept the number When the password is accepted the status display reads rINH and DC VOLTS dis play is blinking 3 Rotate either VOLTAGE or CURRENT control until DC VOLTS display reads desired set ting then tap DC OUTPUT switch to accept 4 Tap FUNCTION switch to exit or rotate VOLTAGE or CURRENT control until status display reads RTN then tap DC OUTPUT switch to return to next highest menu 3 15 3 2 13 5 2 FAULT RECOVERY CONFIGURATION 3 16 The KLP allows the user to control how the unit recovers from faults and allows different responses for different faults This function is password protected Th
33. C OUTPUT switch to accept the value The status display reads ExT Tap the DC OUTPUT switch to proceed to External Calibration see PAR 4 3 2 or tap either VOLTAGE or CURRENT control to advance to next choice EXTERNAL CALIBRATION LOCAL During external calibration the external analog reference voltages used to establish full scale output current and voltage are calibrated and defined The factory default calibration is 10V pro grams full scale output however the following procedure allows any d c value up to 10V to pro gram full scale while a voltage proportionately less programs a corresponding decrease in the output NOTE The full scale programming voltage has a 1 1 correspondence with the external read back i e 10V full scale programming voltage results in a 10V full scale readback If the full scale programming voltage is changed to a value other than 10V the full scale readback voltage is changed accordingly 4 3 4 3 4 4 4 4 4 1 The status display reads rNPV Refer to PAR 3 4 to connect the reference voltage used to define full scale output voltage as the source as described in PAR 3 4 2 When the reference voltage is at the desired value tap the DC OUTPUT switch to accept the value When the calibration is saved this analog voltage will be equivalent to full scale output voltage The full scale output voltage is determined by the virtual settings in effect 3 The status display reads INPC Connect the refe
34. EMIL E 2 8 2 1 2 2 Boalo NON e IP E A mS 2 8 2153 DG QuipulGroundingac a EET 2 9 2 1 4 PowerSupply Load IntetfaCe ia obeso 2 10 2 1 9 Load Connection Generale rail libia alianti ieri 2 10 2 1 5 1 Local Sensing Remote Sensing SElect RE ER EE ee EE Ee ee EE Ee ee ee EE ee ee Ee ee ee Ee ee ee ee ee ede ee 2 10 2 7 6 Series OPEN A NON RE ce 2 11 2 1 1 Parallel redundant Operation e 2 11 2 1 1 1 Load o me e ei eee ee ee deli Agi 2 13 2 7 8 Master Slave Configurations 1200 Models On 2 13 2 7 9 Eeer Ee 2 14 2 8 Digital GON ANSE U ON cA UU TIT 2 14 2 8 1 EE E euer Mee urna ele lean 2 14 2 8 2 RS 232 Connections 1200 Models Only 2 15 2 8 3 LAN Connections 1 2K Models Only costes celeste 2 15 SECTION 3 OPERATION 3 1 EE M LA Ne MI IE EE RS A IRAM AD eee nee 3 1 3 2 Local Mode Operation MOORE D PR 3 1 3 2 1 Turning the Power Supply O a linee aiar 3 1 3 2 2 Setting Local Remote Mode ti sas ne ra Dc E xx bee a ERR Hen A sensed ala A 3 3 3 2 2 1 Remote with Local Front Panel LOCKOUt i 3 3 KLP SVC 020498 TABLE OF CONTENTS SECTION PAGE 3 2 3 Enabling Disabling Output Power 3 4 3 2 4 Checking Voltage Current Setpoints ie 3 4 3 2 5 PassWord Protected FUNCIONS RF a 3 4 3 2 6 Deling a Virtual Model ut A ANA ea 3 5 3 2 7 Selling VONAGE Or CUI ONI ke ay ao a a de n ta GE 3 6 3 2 1 Real time Voltage Current Adiustment AN 3 6 3 2 7 2 SEIPO
35. GNAL NAME FUNCTION uum Cref Analog signal which programs output current from zero to full scale Voltage or resistance programming is selected via DIP switch position 2 See Table 2 2 Refer to PAR 3 4 3 for voltage programming and 3 4 2 for resistance programming RELAY NO Connected to RELAY COM pin 4 for relay energized condition Vref Analog signal which programs output voltage from zero to full scale Voltage or resistance program ming is selected via DIP switch position 1 See Table 2 2 Refer to PAR 3 4 3 for voltage programming and 3 4 2 for resistance programming VOLT RBACK Analog signal which represents output voltage Le EE zero to full scale The full scale programming level sets the full scale readback level see PAR 4 3 3 7 CURR_RBACK Analog signal which represents output current from zero to full scale The full scale programming level sets the full scale readback level see PAR 4 3 3 E X REM INH Allows single signal to control output on off See PAR 3 4 1 s en Ground RELAY_NC Connected to RELAY COM pin 4 for relay not energized condition 12 ANALOG CTRL Enables or disables analog programming see PAR 3 4 1 Analog programming disabled default no connection 0 Analog programming accepted use jumper on mating connector to connect to pin 9 11 13 or 15 ground 14 EXT TRG Performs same function as SCPI TRG command if unit is programmed for external triggering via digital remote mode Tr
36. INLAAdUSINEA ES BE EE 3 6 3 2 7 3 LastSelliing Recall ss slha PX 3 7 3 2 8 Viewing Changing Overvoltage or Overcurrent Protection Values ee ee ee ee EE ee ee ee ee ee 3 7 3 2 9 Changing GEIBAAAIESSE SR EE titan atant m 3 8 3 2 10 Changing RS232 Baud Rate 1200 Models Oh 3 8 3 2 11 Setting up Master Slave Configurations 1200 Models ONlY i 3 8 3 2 11 1 Configure power supply as Master 1200 Models On 3 9 3 2 11 2 Configure power supply as Slave 1200 Models On 3 9 d2 11 3 Operating the Master Slave Configuration 1200 Models Only see ee ee ee EE ee ee ee ee 3 10 3 2 12 LAN Interface Configuration 1 2K Models ONIV ee RR EE RR Ee ee RR EE ee ee ER nnn 3 11 3 2 13 A A 3 12 3 2 13 1 Display System Firmware Version 3 13 3 2 13 2 Display MN a 3 13 3 2 13 3 Internal Relay Een e RR EE fia do osi ae De EE Ee ae a e 3 13 3 2 13 4 QUICK ele EE 3 15 3 2 13 5 System Configuration FUNCHIONS iii 3 15 3 2 13 5 1 Remote Inhibit elle UE LL 3 15 3 2 13 5 2 Fault Recovery Configuration nennen nennen nenne n nennen nnne nnn nnns 3 16 3 2 13 6 Analog Input Full Scale Calibration iii 3 17 3 2 13 7 e ge E A T LL EET 3 18 3 3 Remote Mode Programming Using Digital Interfaces n 3 18 3 3 1 Factory DetaultSelll iSo iiu RE rta oda ne eei rta Lon eene aint ilf ied Do eat uid ae 3 18 3 3 1 1 GPIB Facon Dei Aus Mad ie ss Lo
37. IP address from the DHCP server AUTOIP set to OFF e OFF The KLP uses the IP MASK GATE and DNS addresses established by the user using either the UTIL LAN menus at the front panel the web interface see PAR 3 3 6 or via SCPI commands over one of the digital interfaces AUTO IP also set to OFF AUTO AUTO IP status is displayed in the DC VOLTS display e ON The KLP obtains an IP address automatically Both DHCP and AUTO IP set to ON e OFF The KLP uses the IP MASK GATE and DNS addresses established by the user using either the UTIL LAN menus at the front panel or via SCPI com mands AUTOIP set to OFF MAC1 Shows first pair of hex digits of the MAC address e g for MAC address 01 23 45 67 89 AB the DC VOLTS display shows 01 and the DC AMPERES display shows 23 Cannot be changed by the user MAC2 Shows second of two hex digits of the MAC address e g for MAC address 01 23 45 6 89 AB the DC VOLTS display shows 45 and the DC AMPERES display shows 67 Cannot be changed by the user MAC3 Shows third pair of hex digits of the MAC address e g for MAC address 01 23 45 67 89 AB the DC VOLTS display shows 89 and the DC AMPERES display shows AB Cannot be changed by the user IP1 Shows first half of IP address e g for IP address 192 168 000 200 the DC VOLTS display shows 192 and the DC AMPERES display shows 168 To change 3 11 3 2 13 3 12 the address press DC OUTPUT switch th
38. LP Series Power Supply Mechanical Outline Drawing ees ee ee ee Re Ee ee ER ee ee ee ee ee ee ee ee ee ee 1 6 KLP Series Front Panel Controls and Indicators ee tete ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee 2 1 KLP Senes Rear Panel Switch and Connectors ES N EA it tret nde Cafe ea er na e E ee uc ed 2 3 FRE MOLE SON SIV ko is EMT 2 11 Series Connection using Remote Gensimg iii 2 12 Parallel Connections Using Remote Gensimg 2 12 Fault Recovery GonfiguratiOn RI eil ea 3 17 PS alere RTT M e ae 3 20 Being a tata GE tele ES Ee otro bbc Uu tet anne ee EA te pi och doen aaa 3 21 Web Interface Home Page Unit Description i 3 21 Web Interface Configure Instrument age 3 22 WebInterface Configure LAN Page coca td eres toco iaia 3 24 Web Interface Operate Instrument Page 3 25 Proteci n Dialog se or RD Dc 3 25 Save Recall Dialog BOX iren ente on tt N a a DR do tas 3 26 Reset Dialog BOX ss EE Ge lec idas 3 27 eg elef e a Re ed any yn dir Cod M dod eA e 3 27 Adding Multiple Steps Ramps FIO LISI ii MR l GE a tend a tt n iod ite tele omaha 3 28 Volet Reie EW Dialog BOX stan tale f t kitte ran ok leali Ga en a be n Ge Pak a 3 29 Analog Programming of Output Voltage or CUrrentusng Resistance ll bi Ee 3 30 Analog Programming of Output Voltage or Current using Voltage ee ee ee ee Ee ee ee RR ee ee ee ee 3 31 Calibration Widow ED ER T 4 5 Woltage Calibration e Le
39. NEL CONNECTORS AND SWITCHES Refer to Figure 2 2 and Tables 2 2 through 2 1 TABLE 2 1 CONTROLS AND INDICATORS CONTROL OR INDICATOR PRESI N POWER ON OFF Turns the power supply on or off Applies input power to power supply internal circuits Circuit breaker Circuit Breaker provides input overload protection VOLTAGE Multifunction rotary encoder with momentary contact pushbutton switch Rotate to set output voltage control switch PAR 3 2 7 and overvoltage limit PAR 3 2 8 Also used to enter SET mode of voltage programming PAR 3 2 7 2 change GPIB address PAR 3 2 9 change RS232 baud rate PAR 3 2 10 enter Vir tual Model password PAR 3 2 6 and enter calibration password and perform calibration PAR 4 3 DC VOLTS Four digit LED display that shows voltage settings display a Shows actual output voltage default b Shows voltage set point PAR 3 2 7 2 or overvoltage limit when function selected PAR 3 2 8 Green LED lights to indicate power supply is operating in constant voltage mode see PAR 3 2 7 Ei Status Displays active function or blinks for error messages Normally blank VOLTAGE and CURRENT 4 character display LEDs display actual voltage and current MEN Amber LED lights to indicate power supply is operating in constant current mode see PAR 3 2 7 indicator KLP HV 031308 2 1 TABLE 2 1 CONTROLS AND INDICATORS CONTINUED CONTROL OR INDICATOR dla DC AMPERES Four digit LED display that s
40. ODUCTION SCOPE OF MANUAL This manual contains instructions for the installation operation and service of the KLP series of 1200W output power stabilized voltage or current d c power supplies manufactured by KEPCO Inc Flushing New York U S A N WARNING 1 2 1 3 KLP 031308 DANGEROUS AND LETHAL POTENTIALS ARE PRESENT BOTH WITHIN THIS POWER SUPPLY AND AT THE OUTPUT Before proceeding to use the power supply read this manual very care fully Caution must be used when working with and making connections to this power supply Use only wires with the proper voltage rating for high voltage connections GENERAL DESCRIPTION The KLP Power Supply Series Figure 1 1 are universal input automatic crossover 1200 watt constant power voltage current stabilizers with a full rectangular output characteristic within the voltage and current ranges listed in Table 1 1 oix KLP 1200 Models and six KLP 1 2K Models are available as listed in Table 1 1 The 1200 Models are GPIB and RS 232 compatible the KLP 1 2K Models are GPIB and LAN compatible All models allow remote analog programming For each model a multitude of virtual models can be configured The rated voltage maximum current at rated voltage and rated current and maximum voltage at rated current parameters define the virtual models available within the limit of 1200 Watts of output power see Figure 1 2 KLP power supplies operate from wide range 100 255V a c
41. RI series or PARA parallel OPERATING THE MASTER SLAVE CONFIGURATION 1200 MODELS ONLY Once the master is configured it searches for the slave specified Until the slave is set up prop erly the master status display will cycle as follows status display will flash E241 hardware error then DC VOLTS status display and DC AMPERES flash x OF y where x unit number and y total number of units the status display flashes the type of connection SERI series or PARA parallel When the slave is found the status display of the slave reads SLVE and the DC VOLTS and DC AMPERES displays on the slave go blank For the master slave combination to work properly the number of slave units specified in the master PAR 3 2 11 1 step 4 must be found When the slave has been found the master proceeds with the normal turn on sequence and the unit proceeds to SET mode The master front panel readouts show the total values for set point voltage and current readback virtual model the virtual model and protection settings of the slave are automatically programmed to be the same as the master and protection settings for the master slave configuration All controls on the slave are disabled The parallel or series combination is controlled from the master using either the front panel SCPI commands or ana log control e f analog control is used only the master is configured for analog control the slave is controlled digitally by the master
42. SSWORD Full Scale Calibration VOLTAGE al Conect DVM to Calibration Resistor ero Calibration CURRENT al Conect DM to Calibration Shunt External Calibration ANALOG REF L See Manual for Proper Setup FIGURE 4 1 CALIBRATION WINDOW 4 5 7 Use the computer keyboard to enter the password in the text box displaying the word PASS WORD then press the ENTER key 8 If password is correct the status display on the VXI main panel reads CAL and the buttons on Calibration Screen Figure 4 1 are enabled highlighted If the password is incorrect the password text box displays WRONG Repeat step 7 to enter the correct password or click the Calibrate Close button on the VXI main panel to exit calibration NOTE Calibrations may be done in any order 9 Proceed to PAR 4 4 1 for voltage calibration PAR 4 4 2 for current calibration PAR 4 4 3 for external calibration or PAR 4 4 4 to exit calibration 4 4 1 VOLTAGE CALIBRATION VXI plug amp play DRIVER DEMO During voltage calibration the voltage voltage readback and remote analog voltage readback are calibrated 1 Click the VOLTAGE button on the Calibration window to start voltage calibration the Voltage Calibration Window Figure 4 2 appears Minimum voltage is first the status display on the VXI main panel reads V 0 Monitor DVM and click the button to increase and the to decrease the output voltage until the DVM reads as close as po
43. T or VOLTAGE control until the display reads M S Tap the DC OUTPUT switch once The status display reads either SERI series or PARA parallel 3 9 3 2 11 3 3 10 The DC VOLTS display shows the number assigned to the unit 1 master 2 or above slave The DC AMPERES display shows the maximum number of units in the configuration e The factory default is standalone operation DC VOLTS and DC AMPERES show 1 4 To change the configuration tap the DC OUTPUT switch once The DC VOLTS and DC AMPERES start blinking e Specify either SERI series configuration for higher voltage or PARA parallel configura tion for higher current using either the VOLTAGE or CURRENT control by holding in and rotating the control Both connected units must be set the same either SERI or PARA e Specify the total number of units in the configuration to 2 by rotating the CURRENT con trol e Specify the unit number to be assigned 2 slave by rotating the VOLTAGE control 5 Press DC OUTPUT to accept the displayed settings The unit briefly flashes wait then restarts with the new settings press FUNCTION to abort without changing the settings NOTE Until both units are configured properly the displays will cycle as follows status display will flash E241 hardware error then DC VOLTS status display and DC AMPERES flash x OF y where x unit number and y total number of units the status display flashes the type of connection SE
44. The delay determines the length of time that the unit must be operat ing in the new mode before energizing the relay The factory default delay time is set to 1 0 seconds to prevent false tripping of the relay during application of output power to low impedance or highly reactive loads If false tripping occurs this delay may be increased as needed To change the delay press in and rotate either the VOLTAGE or CURRENT con trol release the control when the DC AMPERES display shows the desired delay Tap the DC OUTPUT switch to save selection unit returns to RELY menu NOTE Once the relay turns on in V gt C or C V mode the relay will go off again when the unit transitions back to the original mode or when the output is turned off b To select MAN tap the DC OUTPUT switch to save selection If MAN is selected the DC VOLTS display shows whether the relay is ON or OFF To change the state of the relay press in and rotate either VOLTAGE or CURRENT control until the desired relay state is displayed then release the control Tap the DC OUTPUT switch to immediately set the relay to the selected state and return to the RELY menu C To select LIST tap the DC OUTPUT switch to save selection unit returns to the RELY menu 3 Rotate either VOLTAGE or CURRENT control until status display shows RTN and press DC OUTPUT switch to exit UTIL menu then rotate either VOLTAGE or CURRENT control until status display shows EXIT and press DC OUTPUT s
45. URATION USING WEB INTERFACE 1 2K MODELS ONLY Click on CONFIGURE INSTRUMENT at the left to view the INSTRUMENT Configuration page Figure 3 5 The parameters that can be configured from this page are arranged in two groups The top group requires the unit password to change the parameter and includes Whether the polarity of the Remote Inhibit signal is active inhibit for low or high see PAR 3 2 13 5 1 for details How the unit recovers from faults see PAR 3 2 13 5 2 for details The second group does not require a password and includes GPIB address e Quick boot see PAR 3 2 13 4 for details e Assignment of the internal relay see PAR 3 2 13 3 for details AN ISO 9001 COMPANY KEPCO KEPCO WEB SITE bag PRODUCT SUPPORT DRIVERS THE POWER SUPPLIER NCE 1946 Legd 2 SI KEPCO INSTRUMENT CONFIGURATION PAGE INSTRUMENT DESCRIPTION OPERATE INSTRUMENT CONFIGURE INSTRUMENT CONFIGURE LAN ID INSTRUMENT HELP LXI 3 22 OVER VOLTAGE OVER CURRENT POWER LEAD FAULT OVER TEMPERATURE ACINPUT RELAY FAULTS Submit No Change KEPCO INC 131 38 Sanford Avenue Flushing NY 11352 USA Tel 718 461 7000 Fax 718 767 1102 www kepcopower com email hq amp kepcopower com Copyright 2007 Kepco Inc All rights reserved FIGURE 3 5 WEB INTERFACE CONFIGURE INSTRUMENT PAGE KLP031308 3 3 6 4 KLPO31308 LAN CONFIGURATION USING WEB INTERFACE 1 2K MODELS ONL
46. USER MANUAL KLP SERIES POWER SUPPLY 1200 WATT PROGRAMMABLE POWER SUPPLY KEPCO INC MODEL DA ES An ISO 9001 Company KLP SERIES POWER SUPPLY IMPORTANT NOTES 1 This manual is valid for the following Model and associated serial numbers MODEL SERIAL NO REV NO MODEL SERIAL NO REV NO KLP 10 150 1200 REV 1 KLP 10 150 1 2K REV 1 KLP 20 120 1200 REV 12 KLP 20 120 1 2K REV 1 KLP 36 60 1200 REV 12 KLP 36 60 1 2K REV 1 KLP 75 33 1200 REV 25 KLP 75 33 1 2K REV 1 KLP 150 16 1200 REV 22 KLP 150 16 1 2K REV 1 KLP 300 8 1200 REV 14 KLP 300 8 1 2K REV 1 KLP 600 4 1200 REV 3 KLP 600 4 1 2K REV 1 2 A Change Page may be included at the end of the manual All applicable changes and revision number changes are documented with reference to the equipment serial num bers Before using this Instruction Manual check your equipment serial number to identify your model If in doubt contact your nearest Kepco Representative or the Kepco Docu mentation Office in New York 718 461 7000 requesting the correct revision for your particular model and serial number 3 The contents of this manual are protected by copyright Reproduction of any part can be made only with the specific written permission of Kepco Inc Data subject to change without notice KEPCO THE POWER SUPPLIER P N 243 1248 d1 2010 KEPCO INC ED KEPCO INC e 131 38 SANFORD AVENUE FLUSHING NY 11355 U S A e TEL 718 461 7000 FAX
47. UT PUT once Status shows PASS password Enter password see above and tap DC OUTPUT to accept When password is accepted status reads VIRT VOLTS and AMPS displays blink To change setting rotate Voltage and Current knobs until VOLTS and AMPS displays show desired virtual model settings Press and hold knob in while turning for fine adjustment Press DC OUTPUT to accept virtual model settings Unit displays DONE then resets and repeats power on sequence How do I view change overvoltage and overcurrent protection limits See PAR 3 2 6 for description of protection limits If status reads SET tap either knob to exit setpoint mode To view protection limits use a thin tool to press and hold PROTECT until status reads PROT VOLTS and AMPS displays show the protection limits to change limits while continuing to hold PROTECT in adjust OVP and OCP limits using the Voltage and Current knobs When PROTECT released values showing in VOLTS and AMPS displays are the new protection limits REMOTE ANALOG OPERATING MODE INSTRUCTIONS How do I enable analog operating mode Connect ANALOG CTRL pin 12 to GROUND pin 9 11 13 or 15 of analog port prior to power up to enable remote analog programming for that session Remote analog control is indicated by aREM in status display The status of ANALOG CTRL is sensed at power up only Enabling analog operating mode disables the local operating controls on the front panel see PAR 3 4 How do l enable
48. Y Click on CONFIGURE LAN at the left to view the LAN Configuration page Figure 3 6 The parameters that can be configured from this page are Host Name DHCP Description IP Address Subnet Mask address Default Gateway Address and DNS Server Address Separate checkboxes allow enabling of DHCP AUTOIP and PING Descriptions of these terms can be viewed by clicking the HELP box at the left If a fault condition exists an alert window indicates the type of fault Click OK to close the window the SUBMIT button is disabled until the fault is corrected There are three passwords shown on this page which control access to the web pages only not to be confused with the unit password see PAR 3 2 5 which is needed for calibration chang ing virtual model etc NOTE In cases where multiple users are expected to have access to the units it is recom mended that password access be used to restrict control of the unit to one user func tioning as a bus controller while allowing other users viewing access Allowing multiple users to issue commands to a single unit can cause unpredictable results and may cause the unit to lock up The OPERATE INSTRUMENT password restricts the ability to view the OPERATE INSTRUMENT page The CONFIGURE INSTRUMENT password restricts the ability to change some INSTRUMENT configuration parameters shown on the CONFIGURE INSTRUMENT page e The CONFIGURE LAN password restricts the ability to change the LAN c
49. age and current inputs Vref and Cref respectively of the Analog I O Port see J2 Fig ure 2 2 and Table 2 2 are normally inactive These are activated by connecting pin 12 of J2 to one of the four GND pins J2 pin 9 11 13 or 15 before turning the power supply on Once the power supply is turned on the status display reads aRem While the power supply is in analog remote mode digital queries related to status and readback will be accepted and executed The following paragraphs provide detailed information for using analog programming signals NOTE Optimum resolution is achieved with 10V programming input which is equivalent to full scale Decreasing the analog voltage equivalent to full scale see PAR 4 3 3 will cause a corresponding decrease in programming resolution With the exception of Vref and Cref all the other Analog VO Port functions are active regardless of the status of the analog control signal applied to J2 pin 12 These include internal relay RELAY NO pin 2 RELAY COM pin 4 RELAY NC pin 10 voltage and current readbacks VOLT RBACK pin 6 and CURR RBACK pin 7 external trigger EXT TRG pin 14 and remote inhibit REM INH pin 8 ENABLING DISABLING THE OUTPUT USING ANALOG CONTROL If the output has previously been enabled the Remote Inhibit rINH signal applied to analog I O port pin 8 see PAR 2 7 9 allows the output to be enabled disabled remotely If the output is already off this signal has no effect howev
50. al model the data set is not loaded although there is no indication on the web page the Status Display of the power supply will flash E221 Settings conflict KLP031308 3 3 6 5 4 3 3 6 5 5 RESETTING THE UNIT RST 1 2K MODELS ONLY Click RST button to reset power supply to the power on default state setpoints to zero Volts and minimum Amperes see NOTE PAR 3 2 1 step 3 and Table 1 2 and output set to OFF except that if last setting recall PAR 3 2 7 3 is enabled the Setpoint values are from the last setting RST also clears all LIST entries SN VIRTUAL OUTPUT PROTECTION MODEL FIGURE 3 10 RESET DIALOG BOX USING A LIST USER PROGRAMMED SEQUENCES 1 2K MODELS ONLY Using the LIST feature up to 100 locations are available for programming the KLP output These locations enable the user to program the output using sequential steps which may be ini tiated by a single command The repeatable user determined sequences are stored in volatile memory and are retained until reprogrammed the power supply is turned off a calibration is performed or a LIST CLEar command is received If a virtual model setting is changed and a programmed value is outside the range established by the new virtual model that step is exe cuted as the default minimum zero V minimum A although the location contents are not changed Create the List Click LIST to open the List dialog box Figure 3 11 Each location defines the values f
51. ansition from 1 5V to 0 ground causes values established by VTRIG and CTRIG commands to become VSET and CSET see PAR 3 3 2 External Triggering Refer to PAR 3 2 13 3 to configure internal relay 2 AII GND connections are common KLP HV 031308 2 5 2 3 2 4 2 5 2 6 SOURCE POWER REQUIREMENTS This power supply operates with the installed circuit breaker from either d c or single phase a c mains power over the voltage and frequency ranges specified in Table 1 2 without adjustment or modification COOLING The power devices used within the power supply are maintained within their operating tempera ture range by means of internal heat sink assemblies cooled by three internal d c type cooling fans ALL INLET AND EXHAUST OPENINGS AT THE FRONT AND REAR OF THE POWER SUP PLY CASE MUST BE KEPT CLEAR OF OBSTRUCTION TO ENSURE PROPER AIR ENTRY AND EXHAUST Although not a requirement it is recommended that side and top vent open ings be clear of obstruction for more efficient cooling Periodic cleaning of the power supply inte rior is recommended by authorized service personnel only see KLP Service Manual for instructions If the power supply is rack mounted or installed within a confined space care must be taken that the ambient temperature which is the temperature of the air immediately surrounding the power supply does not rise above the specified limits see Table 1 2 PRELIMINARY OPERATIONAL CHECK A
52. ating the control the previous setpoint value will be restored after about 20 seconds of inac tivity then tap either adjustment control to accept If a fault has been configured for AUTO recovery the status display flashes gt AUTO for one second upon leaving Setpoint mode see PAR 3 2 13 5 2 PASSWORD PROTECTED FUNCTIONS Certain functions such as defining virtual model system configuration and calibration can only be changed from the front panel after entering the unit password Refer to PAR 4 to change the password Table 4 1 shows the factory default password for each model 1 The status display shows PASS password and the display shows 0000 with the left most character blinking Rotate CURRENT control to select a number from 0 9 Tap CURRENT control to advance to next digit 2 Repeat this process until all four digits have been selected Tap DC OUTPUT switch to accept the number If password is incorrect the status display reads ERR Repeat this step to enter the correct password or press the FUNCTION switch to exit KLP031308 3 2 6 KLPO31308 DEFINING A VIRTUAL MODEL The virtual model is defined by establishing a maximum programmable voltage and current for the unit within the 1200W power limitation and the maximum voltage and current ratings listed in Table 1 1 Once established the unit will not accept programmed values beyond these values whether from the front panel in local mode or from the digital GPIB RS
53. ble Remote with Local Lockout ENABLING DISABLING OUTPUT POWER When the power supply is turned on the output is automatically disabled DC OUTPUT LED is off and the DC VOLTS and DC AMPERES displays show the programmed output voltage and current set points and the status display reads SET To disable the output press and release the DC OUTPUT switch again The DC OUTPUT indi cator goes off While in the setpoint mode Status display reads SET the output cannot be turned on pressing DC OUTPUT has no effect If output was on while setpoint mode was entered pressing DC OUTPUT will disable the output For setpoint adjustment refer to PAR 3 2 7 2 To enable disable the output using analog con trol refer to PAR 3 4 1 CHECKING VOLTAGE CURRENT SETPOINTS CAUTION WHEN THE OUTPUT IS DISABLED THE DC VOLTS AND DC AMPERES DIS PLAYS SHOW THE ACTUAL OUTPUT VOLTAGE AND CURRENT BEFORE ENABLING THE OUTPUT ALWAYS CHECK THE SETPOINTS TO AVOID POS SIBLE DAMAGE TO THE LOAD Check the voltage and current set points by tapping either the VOLTAGE or CURRENT control The status display reads SET and the DC VOLTS and DC AMPERES displays show the stored setpoints To accept the displayed value tap the associated adjustment control again To change the value rotate the control press the control in while rotating for fine adjustment then tap the adjustment control again to accept the new setting If you decide not to change the value after rot
54. c Rated load 1200W 240 Va c 6 5A rms Rated load 1200W 265 Va c 40A Peak 132 Va c 20A Peak 230 Va c 50Hz 10mA max OUTPUT CHARACTERISTICS cvice Voltage Current Adjustment range voltage 0 100 of rated voltage Inrush Current 2 line No fixed limits Ride through No minimum load required current mininimum to 100 of rated current No minimum load required See Table 1 1 for minimum programmable current Source effect voltage 0 01 Emax Over full source range current 0 01 Imax Load effect voltage 0 01 Emax Over full load current range current 0 02 Imax Temperature effect voltage 0 02 deg C current 0 05 deg C Time effect drift voltage 0 05 24hr Current 0 05 24hr Isolation voltage 600 Vd c or peak Transient recovery excursion 1 of Emax 50 load step 2A microsecond max for load change 0 50 deg C After 30 min warmup Above rated output Contact factory for larger margins Either output terminal to ground recovery 2 msec Return to 0 1 of setting same as load transient response limits 20 120 of Emax Programmable see PAR 3 2 13 5 2 72 120 of Imax Programmable see PAR 3 2 13 5 2 Shutdown See PAR 3 2 13 5 2 Shutdown See PAR 3 2 13 5 2 Active load sharing within 5 of lo rated Up to 5 units maximum LA KLP 031308 1 TABLE 1 2 KLP SPECIFICATIONS Continued SPECIFICATION RATING DESCRIPTION GENERAL ENVIRONMENTAL SPECIFICATIONS 20 to 50 deg C Rated load D
55. can be restored using the LAN Reset function front panel only or configured as desired from either the front panel see PAR 3 2 12 or the web interface see PAR 3 3 6 3 e DHCP ON e AUTOIP ON e PING ON can only be changed through web interface e IP Address Undefined e MASK Address 255 255 0 0 GATE Address 0 0 0 0 DNS Address 0 0 0 0 KLP031308 3 3 2 3 3 3 3 3 4 3 3 5 3 3 6 KLPO31308 ADDITIONAL FUNCTIONS NOT AVAILABLE FROM THE FRONT PANEL Some additional functions are described in the KLP Developer s Guide that are not available from the front panel Storage of User programmed Active Settings 40 memory locations are available to store and recall active settings of the power supply The active setting include voltage current protection limits and output state ON or OFF This feature may be also accessed using the web interface 1 2K models only see PAR 3 3 6 5 3 e User determined output Sequences Up to 100 memory locations are available for pro gramming the KLP output using multiple command sequences that can be initiated by a single LIST command see KLP Developer s Guide This feature may be also accessed using the web interface 1 2K models only see PAR 3 3 6 5 5 External Triggering If external trigger mode is selected grounding the EXT TRG line J2 pin 14 to pin 9 11 13 or 15 allows SCPI commands to change the output of the power supply Refer to the KLP Developer s
56. d program using LIST commands LIST mode Refer to PAR 3 2 13 3 for details MASTER SLAVE CONTROL 1200 MODELS ONLY For applications that require the use of multiple KLP 1200 Model power supplies in either series for higher voltage or parallel for redundancy or higher current the master slave feature allows a single power supply the master to automatically control both outputs to achieve the desired output Refer to PAR 2 7 8 and 3 2 11 for details EQUIPMENT SUPPLIED Equipment supplied with the unit is listed in Table 1 3 TABLE 1 3 EQUIPMENT SUPPLIED Jumper 24 AWG or larger bus wire for local sensing connections 172 0585 Analog VO port mating connector 142 0528 Documentation CD includes Documentation and Drivers 254 0033 ACCESSORIES 1 6 1 7 Accessories for the KLP Power Supply are listed in Table 1 4 SAFETY There are no operator serviceable parts inside the case Service must be referred to authorized personnel Using the power supply in a manner not specified by Kepco Inc may impair the pro tection provided by the power supply Observe all safety precautions noted throughout this man ual Table 1 5 lists symbols used on the power supply or in this manual where applicable KLP 031308 TABLE 1 4 ACCESSORIES KEPCO ITEM FUNCTION PART NUMBER Line Cord Set 125V 20A 2 5m long cord set provides for source power NEMA 5 20R 118 0776 connection Mates with NEMA 5 20R receptacle Pau see adjacen
57. dea lia lil 1 1 1 3 SS CIC ONS SERE Se sede enc RA nn 1 1 1 4 ELSA ODE OE EE ME AE OO ON alati ila 1 8 1 4 1 Boeke Ontol sormien m 1 8 1 4 2 Remote OTM Osh gers teas T e 1 8 1 4 2 1 Digital vele Tei ut e Giclee 1 8 1 4 2 2 Analog FOG MAT WING a peli ilaria 1 8 1 4 3 DEIA A E 1 8 1 4 4 Overvoltage Overcurrent Protechon iii 1 9 1 4 5 User defined Voltage Current Limits Virtual Models Ee ee ee Re ee ee ee ee Re ee ee dee 1 9 1 4 6 Storage of User Programmed Active Settings ee i 1 9 1 4 7 User Programmed Sequences uu c ee so dw EE Ge ed oe ala 1 9 1 4 8 kast SO IMC ASE A RN RE T T n 1 9 1 4 9 o il 1 9 1 4 10 RR Relay art ala 1 10 1 4 11 Master Slave Control 1200 Models Only 1 10 1 5 Sa elen tee UE EE 1 10 1 6 e E a 1 10 1 7 e A 1 10 SECTION 2 INSTALLATION 2 1 unpackmo and Speel EE EG DE o 2 1 2 2 Terminations and Controls CIT 2 1 2 2 1 Front Panel Controls and Indicators aco in akote d Dena to see oes Ct n abeat epe kn ka a recu ede rari 2 1 2 2 2 Rear Panel Connectors and EE rer NEE 2 1 2 3 Source Power Heourements iii 2 6 2 4 A ale iii liebe DT CH 2 6 2 5 Preliminary Operational Check 2 6 2 6 InstallallOp ss Si ae EE EE GE cbe e GE M e GE a ea ee ED eli 2 7 2 6 1 Rice a tU ro RE OE IE e N OR ico NEP AO 2 7 21 VIITING INSIFUCUONSA SR anus ER Em 2 7 2 7 1 safey GrFOUN N LET 2 8 2 1 2 A o a E 2 8 2 1 2 1 A EE us E pM D IRI I E a ENIM IE DENM
58. dedicated for the protective earthing conductor no other ground or earth connection is required although the chassis may be separately connected to earth ground for noise or other performance considerations frame grounding The instructions below suggest wiring methods which comply with these safety requirements however in the event that the specific installation for the power system is different from the rec ommended wiring it is the customer s responsibility to ensure that all applicable electric codes for safety grounding requirements are met SOURCE POWER CURRENT RATING All switchmode power supplies including the KLP series present a constant power characteris tic to the input power source Consequently the power supply draws maximum input current for a given load power at low input voltage and proportionately less as source voltage is raised according to the formula Input Current Output Power Efficiency x Input Voltage The input power circuit breaker of the power supply is rated to support rated load power under worst case efficiency conditions at the lowest rated source voltage 100V a c and provides the necessary overload protection to the power supply s internal circuitry The user must provide a properly sized and rated mains lead line cord and service with a current rating compatible with the anticipated input current The Table 2 8 provides recommendations for service current rating and mains lead wire size for co
59. digital control is reactivated upon transmission of any digital command or query by the control host computer How do view change the GPIB address The factory default GPIB address is 6 Using a thin tool press FUNCTION once status reads VIRT Rotate Voltage or Current knob until status reads ADDR the active GPIB address shows in AMPS display To exit rotate Voltage or Current knob till status reads EXIT then tap DC OUTPUT To change tap DC OUTPUT AMPS display blinks Rotate Current knob to change address and tap DC OUTPUT to accept display flashes DONE then ADDR See above to exit How do view change RS 232 baud rate 1200 Models Only The factory default RS 232 baud rate is 38400 Using a thin tool press FUNCTION once status reads VIRT Rotate Voltage or Current knob until status reads BAUD AMPS display shows active baud rate x 1000 e g 38400 is displayed as 38 4 To exit rotate Voltage or Current knob till status reads EXIT then tap DC OUT PUT To change tap DC OUTPUT AMPS display blinks Rotate Current knob to change baud rate and tap DC OUTPUT to accept display flashes DONE then BAUD See above to exit See PAR 3 3 1 2 for additional RS 232 parameters How do set up the LAN interface 1 2K Models Only See PAR 3 2 12 and refer to KLP Developer s Guide How do I operate the KLP using web pages via the LAN interface 1 2K Models Only See PAR 3 3 6 and refer to KLP Devel oper s Guide Use the PSfind program on CD s
60. display is automatically limited to 1200W maximum o Press DC OUTPUT switch to accept virtual model settings The unit displays done then resets and repeats the power on sequence see PAR 3 2 1 NOTE Accepting a new virtual model resets the setpoints to zero Volts and minimum Amperes resets the OVP and OCP values and if DIP switch position 3 is enabled clears stored setpoints of voltage and current as described above SETTING VOLTAGE OR CURRENT The VOLTAGE and CURRENT controls adjust output voltage and current limit respectively when the unit is in constant voltage CV mode and adjust voltage limit and output current respectively when the unit is in constant current CC mode The mode CV or CC is deter mined by the load together with the programmed settings As long as the voltage across the load produces a current that is less than the programmed Current setpoint the unit operates in CV mode voltage programmed to voltage setpoint current limited by current setpoint If the load changes to the point that current through the load reaches the current setpoint the unit automatically enters CC mode current programmed to current setpoint voltage limited by volt age setpoint Output voltage or current can be set at the front panel in two ways Real time adjustment PAR 3 2 7 1 or Setpoint adjustment PAR 3 2 7 2 REAL TIME VOLTAGE CURRENT ADJUSTMENT Rotating the associated control will change the output voltage or curre
61. dition AUTOmatic When a fault configured as AUTO is detected the output is disabled as long as the fault condition exists When the fault condition is no longer present e g the unit has cooled after an OTP overtemperature fault the output returns to its last state OFF or ON and the unit is programmed to zero volts minimum current except if last setting recall PAR 3 2 7 3 is enabled the unit is programmed to match the last setting While offering the greatest convenience to the user this option represents the highest risk because the output can reappear without warning when the fault condition clears To alert the user to this risk if any fault is set to AUTO recovery the status display briefly shows AUTO after a any fault recovery b any output enable action or c upon leaving oetpoint mode In addition if AUTO recovery is selected for source power failure PWR faults the status display flashes AUTO for one second as part of the power up sequence If more than one fault occurs the fault with the lowest risk level determines the unit s response however multiple faults will cause the output to be off upon recovery even if set to AUTO The factory default configuration is PROTECT for all faults Note that some faults have limited options The recovery options for each fault are OVP Overvoltage Protection fault PROTECT or SAFE OCP Overcurrent Protection fault PROTECT or SAFE OLF Output Lead Fault PROTECT or SAFE TEMP
62. dly while attempting to locate a valid IP address If suc cessful LED stays on without blinking LED not lit indicates failure FUNCTION Used to set user determined limits on voltage and current virtual model PAR 3 2 6 change GPIB momentary switch address PAR 3 2 9 change RS232 baud rate 1200 Models only PAR 3 2 10 set up master slave operation 1200 Models only PAR 3 2 11 set up LAN interface 1 2K Models only PAR 3 2 12 and enter the Utility menu PAR 3 2 13 The utility menu is used display Firmware Version PAR 3 2 13 1 display Model PAR 3 2 13 2 configure the internal relay PAR 3 2 13 3 configure quick boot PAR 3 2 13 4 configure Remote Inhibit high or low and determine how the unit responds to faults PAR 3 2 13 5 calibrate analog inputs PAR 3 2 13 6 and enter calibration PAR 4 3 NOTE Requires a thin tool e g end of paper clip to press switch TABLE 2 2 ANALOG VO SWITCH FUNCTIONS DIP SWITCH POSITION FUNCTION SETTINGS Allows analog programming commands for voltage to be provided Selects Resistance by either variable voltage PAR 3 4 3 or resistance PAR 3 4 2 Selects Voltage factory default Allows analog programming commands for current to be provided Selects Resistance by either variable voltage PAR 3 4 3 or resistance PAR 3 4 2 Selects Voltage factory default Allows retention of the last entered setpoint values for voltage and Save and reca
63. down menu and Advanced button are provided for debug of the unit provid ing access to some internal registers of the interface Changes in these registers may cause the unit to become inoperative until power up of the unit occurs These changes are only temporary and are overwritten when the next time the KLP is powered up KLP031308 HOR Settings Select a Und Sim 1 1 3 i Network Mask 99 258 Ze H sd Gateway 10 T Uu so Se wsi 0 0 0 0 Baudrate 115200 Seach Agen Mac Address 00 1068 FIFAS Launch Webpage Advanced Ges FIGURE 3 3 SETTING A STATIC IP ADDRESS 3 3 6 2 X LAUNCH WEB INTERFACE 1 2K MODELS ONLY Click the Launch Webpage button to open the KLP Instrument HOME PAGE UNIT DESCRIP TION in your default browser see Figure 3 4 You can also launch the web page in any browser by entering the IP address as the URL NOTE If source power to the KLP is removed or lost while a browser window is open commu nication with the KLP can not be restored until the present browser window is closed and a new window is opened Although most current browsers will work Kepco recommends the following as fully supported IE 5 5 and higher Netscape 6 and higher and Firefox 1 0 and higher Popup blocking must be disabled and Javascript must be enabled for proper operation If Popup blocking is enabled it may prevent viewing of the help screens AN ISO 9001 COMPANY e le O JKEPCO KEPCO WEB ES s e
64. e see Table 2 2 SW4 Reserved Do not use SW5 Either OFF Local controls enabled or ON Local controls locked 3 Configure Analog I O Port J2 Figure 2 2 by referring to Table 2 7 and Figure 3 14 ground ing J1 pin 12 enables analog programming PROGRAMS OUTPUT CURREN ROGRA TPUT VOLTAGE i i E WENT N TO LOCK NTR CWS Ol os O PIN 1 W i A N 9 3 4 ANALOG 1 0 PORT O GE EE Sa RT i Je E EUR PROGRAMMING RESISTAN CE E O PIN 11 PROGRAMMING RESIS ls da S OWN VO STE ms ka TI l SE N JI T PEE D WV IO ONTROL LOCKO UT NOTE 3 amp OKOHM B FIGURE 3 14 ANALOG PROGRAMMING OF OUTPUT VOLTAGE OR CURRENT USING RESISTANCE With the power supply configured as shown in Figure 3 14 and assuming the load causes the power supply to operate in voltage mode varying external resistor R2 from O to 10K causes the output voltage of the power supply to vary linearly from O to full scale while R1 can be used to adjust the current limit When the power supply operates in current mode R2 will adjust the volt age limit and R1 will adjust output current Factory default full scale F S resistance programming is 10K ohms based on F S program ming voltage of 10V To set full scale resistance to a lower value see PAR 4 3 3 to change the F S programming voltage to a lower value then adjust based on 1000 ohms Volt KLP031308 3 4 3 PROGRAMMING WITH EXTERNAL VOLTAGE Figure
65. e 3 2 NDK Settings Select a Unit ip 192 168 1 218 Js870 00003 F4 01 F4 0E at 182 168 1 218 manning ewak Maskl 0 0 0 0 DHS 0 D 0 D Baudiate 115200 Search Agan Launch Webpage Advanced pep Gees FIGURE 3 2 PS FIND SCREEN Once the search is completed all found units are displayed in the Select a Unit window the MAC address appears in parentheses highlighting one of the units found will load that unit s IP Network Mask Gateway and DNS addresses in the NDK Settings on the left side of the window If you do not see your device in the Select a Unit window make sure it is turned on and con nected to the network then click the Search Again button To set a static IP address enter the static address in the IP ADDRESS field and the Mask address in the Network Mask field Figure 3 3 shows a the IP Address Network Mask and Gateway changed from that shown in Figure 3 2 then highlight the desired unit and click the Set button There will be a short pause while parameters are updated If you do not see your device in the Select a Unit window make sure it is turned on and connected to the network then click the Search Again button To set DHCP to ON enter an IP ADDRESS of 0 0 0 0 then highlight the desired unit and click the Set button After a few seconds click Search Again highlight the desired unit and click the Set button The Baudrate pull
66. e EE 4 6 Current Calibration WING e debet ech esae be daa 4 7 Analog Reference Calibration WINdoW i 4 8 KLPSVC 031308 KLP SVC 020498 LIST OF TABLES TITLE PAGE Model Paranme i i nct o ae Ae as 1 2 KEP SIDS Cl Gall ONS ss EE RE uote ix Eso a E RII 1 3 Sei elen DUD DIC eme er HC PER 1 10 eer 1 11 DAW SY MDO Siete 1 11 Controls ee Rea Here 2 1 Analog 1105 Witch FUNCIONS a c e 2 2 IEEE 488 Port Connector J4 Pin Assignments e 2 4 RS232 Port Connector J3 Pin Assignments 1200 Models Only ee ee ER EE ee ee RE ee 2 4 LAN Port Connector J7 Pin Assignments 1 2K Models Only ees ee RR ee ee ee 2 5 Control Input Terminal block Assignments ee ee RR EE ee aa ee ee Ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee 2 5 Analog VO Connector J2 Pin Assignments 2 5 Input Current Service Rating and Conductor Sizes ie 2 8 Power up Built in Test Eer COUCS RE ES RE o 3 2 Factory Default Unit Passwords sarsicce 4 10 ATA NS Ne Y o NS YAAR AR li N N SOW ow ON S a a n DTRRAR oo NN WOW 00 0 0 o u 0 A y 0 0 00 000 6000 NY Y N A NN C da NEE N SS N 000 000 0000 000 Pd Q Y 0 0000 00000 YUU WU Y KLP SERIES POWER SUPPLY FIGURE 1 1 KLP031308 1 1 SECTION 1 INTR
67. e front panel unlock com mand see PAR 3 2 2 1 Note that digital commands that conflict with the analog pro gramming settings must not be issued as these can cause momentary unpredictability at the output until analog control is reasserted REMOTE WITH LOCAL FRONT PANEL LOCKOUT To prevent unauthorized setting of the power supply to Local mode a local lockout mode can be enabled which prevents the power supply from being restored to local mode via the front panel With the power supply turned off set the ANALOG I O DIP switch position 5 see Table 2 2 to ON Now when the power supply is turned on the status display will read one of the following LOCK front panel controls locked analog mode not enabled and no digital commands received aRw1 analog Remote with local lockout front panel controls locked analog mode enabled dRwi1 digital Remote with local lockout front panel controls locked analog mode disabled and a digital command received Once the front panel is locked it can only be unlocked by either of the following e turn the power supply off set ANALOG I O DIP switch position 5 to OFF and then power up again send the following SCPI command via GPIB RS232 or LAN port SYST KLOC OFF 3 3 3 2 3 3 2 4 3 2 5 3 4 NOTE If the front panel is unlocked by SCPI command the unit will be set to Remote with Local Lockout when it is turned on again Set ANALOG VO DIP switch posi tion 5 to OFF to disa
68. e output terminals and the digital voltmeter will be connected across the sense terminals of the shunt resistor 1 Turn off power supply and disconnect load from output terminals at the rear of the unit 2 Verify that power supply is configured for local error sensing PAR 2 7 5 1 3 For voltage calibration connect DVM to M S and M S of terminal block at the rear of power supply 4 For current calibration connect an appropriate shunt resistor see PAR 4 2 across the output terminals and connect DVM to shunt resistor terminals 5 Turn on power supply exit SET mode by tapping either VOLTAGE or CURRENT control and using a thin tool e g a paper clip press the FUNCTION switch once until the status display reads VIRT then rotate either the VOLTAGE or CURRENT control in either direction until status display reads UTIL 6 Tap the DC OUTPUT switch once then rotate either the VOLTAGE or CURRENT control in either direction until status display reads CAL 7 Tap DC OUTPUT switch to enter calibration mode The status display shows PASS Enter the password see PAR 3 2 5 and tap DC OUTPUT switch to accept the number 8 When the password is accepted status display reads v as Tapping either VOLTAGE or CURRENT control continuously cycles through all the calibration choices The status display reads V for voltage calibration c for current calibration EXT for remote analog cali bration and EXIT to save the calibrated resul
69. e positive or negative output of the power supply for the d c ground point both sides should be tried and preference given to the ground point producing the least noise For single isolated loads the d c ground point is often best located directly at one of the output terminals of the power supply when remote error sens ing is employed d c ground may be established at the point of sense lead attachment In the specific case of an internally grounded load the d c ground point is automatically established at the load The power supply output terminals located on the rear panel for KLP Power Supplies are d c isolated floating from the chassis in order to permit the user maximum flexibility in selecting the best single point ground location Output ripple specifications as measured at the output are equally valid for either side grounded Care must be taken in measuring the ripple and noise at the power supply measuring devices which are a c line operated can often introduce additional ripple and noise into the circuit There is unfortunately no best method for interconnecting the load and power supply Individ ual applications location and nature of the load require careful analysis in each case It is hoped that the preceding paragraphs will be of some assistance in most cases For help in special applications or difficult problems consult directly with Kepco s Application Engineering Depart ment KLP HV 031308 2 9 2 7 4 2 7 5
70. e three recovery options are PROT SAFE and AUTO PROTected When a fault configured as PROT is detected the output is disabled Recovery requires that the user turn the unit off and wait five seconds before turning the unit on After initializing the output is disabled and the unit is in Setpoint mode pro grammed to 0 Volts minimum current except that if last setting recall PAR 3 2 7 3 is enabled the Setpoint values are from the last setting This is the safest recovery option forcing the operator to reboot the power supply before programming and re enabling the output hopefully after eliminating the cause of the fault PROT is the factory default set ting for all fault recoveries SAFE When a fault configured as SAFE is detected the output is disabled and the unit is returned to Setpoint mode programmed to zero volts minimum current if last setting recall PAR 3 2 7 3 is enabled the Setpoint values are from the last setting Recovery requires that the user exit Setpoint mode and re enable the output either from the front panel or via one of the digital programming ports Recovery cannot be initiated by tog gling the remote inhibit line at the analog programming port This option provides greater operator convenience by eliminating the need to reboot the power supply while preserv ing a safe response output off but it is the user s responsibility to NOT attempt multiple consecutive restarts without eliminating the fault con
71. eleased allow actuator to return to starting position then wait a few seconds before repeating turn on sequence DO NOT attempt to tease the switch contacts closed by repetitive press and release action The circuit breaker is trip free design if overload exists contacts cannot be held closed by actuator LOCAL OPERATING MODE INSTRUCTIONS How do I enable disable the output Press DC OUTPUT to toggle output on and off The output cannot be enabled while SET appears in the status display tap either knob to exit setpoint mode The output can be disabled at any time VOLTS and AMPS dis plays show actual output parameters as determined by the load see PAR 3 2 3 How do l establish the operating mode Operating mode is determined automatically by the programmed voltage Vp and current Ip settings and the load If the load impedance is greater than Vp lp the unit operates in CV mode voltage stabilized to voltage set point If the load impedance is less than Vp lp the unit operates in CC mode current stabilized to current setpoint see PAR 3 2 7 Crossover between operating modes is seamless and automatic CV and CC indicators show present mode How do l adjust output voltage or current real time Enable the output If in CV mode indicator lit rotate Voltage knob until VOLTS display shows desired output voltage If in CC mode indicator lit rotate Current knob until AMPS display shows desired out put current Pressing and holding
72. en rotate VOLTAGE control to change 192 or CURRENT control to change 168 then press DC OUTPUT switch to save IP2 Shows second half of IP address e g for IP address 192 168 000 200 the DC VOLTS display shows 000 and the DC AMPERES display shows 200 To change the address press DC OUTPUT switch then rotate VOLTAGE control to change 000 or CURRENT control to change _200 then press DC OUTPUT switch to save MSK1 Shows first half of SUBNET MASK address see IP1 described above Default is 255 255 MSK2 Shows second half of SUBNET MASK address see IP2 described above Default is 0 0 GTE1 Shows first half of GATE address see IP1 described above GTE2 Shows second half of GATE address see IP2 described above DNS1 Shows first half of DNS address see IP2 described above DNS2 Shows second half of DNS address see IP2 described above RTN Return to LAN menu UTILITY FUNCTION The Utility Function provides additional system information or access to special functions These are described below 1 If the status display shows SET tap either the CURRENT or VOLTAGE controls to take the unit out of setpoint mode status display goes from SET to blank 2 Using a thin tool e g a paper clip press the FUNCTION switch once until the status dis play reads VIRT then rotate either the VOLTAGE or CURRENT control in either direction until status display reads UTIL 3 Tap the DC OUTPUT switch once then r
73. er if it is active and an attempt is made to turn the output on the output will stay off and rINH will appear in the status display This signal is a TTL signal that can be programmed to be active turn the output off for either a TTL high logic 1 or TTL low logic 0 see PAR 3 2 13 5 1 If rINH is set to be active for low an open condition at pin 8 causes the output state to default to ON and the output will go to the levels programmed on Vref and Cref without warning If rINH is set to be active for high an open condition at pin 8 causes the output to remain off If quick boot see PAR 3 2 13 4 is off and rINH is set to high upon power up the status display will flash rINH at the end of the start up sequence to remind the user of this condition see PAR 3 2 1 3 29 3 4 2 N s VAN 3 30 PROGRAMMING WITH EXTERNAL RESISTANCE Figure 3 14 is a simplified diagrams of the KLP showing the switch configuration and external connections reduired for analog programming using an external resistance 1 Overvoltage and Overcurrent settings must be established via either local programming or digital remote programming prior to initiating Analog Remote programming see PAR 3 4 4 2 Turn off power and configure the Analog VO DIP switch Figure 2 2 as follows SW1 ON Program output voltage via resistance SW2 ON Program output current via resistance SW3 either OFF or ON disabled when in remote analog programming mod
74. er monitor that allows all the functionality of the local front panel The VXI plug amp play soft front panel controls are explained in the KLP Developer s Guide REMOTE PROGRAMMING USING THE WEB INTERFACE 1 2K MODELS ONLY Remote programming of the KLP via the LAN port can be accomplished using a standard web browser connected to the internet The factory default LAN settings of the KLP are DCHP on AUTOIP on When the power supply is turned on it tries to find a DCHP server and get an IP address while the LAN indicator blinks rapidly If the server is not found after 10 seconds the unit will use AUTOIP to get an address If an IP address is found the LAN indicator stays on without blinking If an IP address is not found 3 19 3 3 6 1 3 20 the LAN indicator stays off The FUNCTION LAN menu see PAR 3 2 12 can be used to view the IP address that was found or change it if desired FINDING KEPCO POWER SUPPLIES ON THE LAN 1 2K MODELS ONLY The PSfind utility is supplied on the CD that comes with the unit or can be downloaded from the Kepco web site at www kepcopower com drivers This utility finds all operational Kepco power supplies connected to the LAN and then shows the pertinent addresses of the models found To run the utility from your PC go to utilities on the CD This directory only contains one file psfind exe Copy the file to your computer or run it directly from the CD itself A separate window opens as shown on Figur
75. erate at 25W per C between 50 and 70 C CONDITION COMMENT Temperature operating storage 40 to 85 deg C Humidity 0 to 95 RH Vibration 5 10 Hz 10mm double amplitude 10 55 Hz 3 axes non operating Altitude sea level to 10000 ft 0 3 000 ft 100 linear derating to 70 of power at 10 000ft PHYSICAL CHARACTERISTICS Dimensions English 1 735 H x 19 W x 17 5 D Depth excluding connectors and termi metric 44 45 x 482 6 x 443 7 mm Io EN ra Weight English 15 lbs metric 6 82kg Source power connector IEC 320 C19 appliance inlet 250 Va c 16A VDE 125V a c 20A UL Load connections 8 36V models Nickel plated copper busbars Provision for safety covers 75 600V models Shocksafe Euroblock Digital programming ports primary Standard GPIB connector 9 pin D sub RJ 45 exhaust to the rear non condensing non operating 3 axes non operating IEEE 488 2 GPIB RS 232 1200 Models only LAN 1 2K Models Only secondary secondary Feedback Control Input 5 position low profile Euroblocks PROGRAMMING CHARACTERISTICS LOCAL Local control resolution Coarse 100 LSB step Depress control for Fine resolution maintain 1200 W maximum Power up settings voltage defaults to zero See PAR 3 2 7 3 current defaults to min value See Table 1 1 i Protection Limits Overvoltage 20 120 of Emax 72 120 of Imax panel protect switch or SCPI command over digital bus Programmable accessed v
76. etermined by the load How do l enter a Password Password is required to set Virtual Model or calibrate the unit Status shows PASS password and Current Display shows 0000 Rotate Current knob to select a number from 0 9 Tap Current knob to advance to next digit Repeat until all four digits have been selected Tap DC OUTPUT to accept the number See Table 4 1 for default passwords How do l enter exit Function mode To enter a function press FUNCTION using a thin tool once so status reads VIRT virtual model see below rotate Voltage or Current knobs for ADDR set GPIB address PAR 3 2 9 BAUD 1200 models only set RS 232 baud rate PAR 3 2 10 LAN 1 2K models only configure LAN parameters see PAR 3 2 12 M S 1200 models only Master Slave PAR 3 2 11 UTIL utility PAR 3 2 13 or EXIT To select a function tap DC OUTPUT KEPCO INC 131 38 SANFORD AVENUE FLUSHING NY 11352 U S A TEL 718 461 7000 FAX 718 767 1102 http www kepcopower com email hq Qkepcopower com 2007 KEPCO INC 228 1512 3 13 08 Data subject to change without notice How do I view change the virtual model settings See PAR 3 2 6 for description of virtual model f status shows SET exit set point mode tap either knob once Use thin tool to press FUNCTION once status reads VIRT VOLTS and AMPS displays show the maximum voltage and current of the present virtual model f no change exit function mode see above To change press DC O
77. fety from electric shock PROTECTIVE EARTHING CONDUCTOR TERMINAL This symbol indicates the point on the product to which the protective earthing conductor must be attached EARTH GROUND TERMINAL This symbol is used to indicate a point which is connected to the PROTECTIVE EARTHING TERMINAL The component installer assembler must ensure that this point is connected to the PROTECTIVE EARTH ING TERMINAL CHASSIS TERMINAL This symbol indicates frame chassis connection which is supplied as a point of convenience for performance purposes see instructions on grounding herein This is not to be confused with the protective earthing point and may not be used in place of it HOP 3 Electric Shock Hazards This product outputs hazardous voltage and energy levels as a function of normal operation Operators must be trained in its use and exercise caution as well as common sense during use to prevent accidental shock This symbol appears adjacent to any external terminals at which hazardous voltage levels as high as 600V d c may exist in the course of normal or single fault condi tions This symbol appears adjacent to any external terminals at which hazardous voltage levels in excess of 600V d c may exist in the course of normal or single fault condi tions gt gt 228 1353 SAFETY SWITCH 031308 C D BLANK TABLE OF CONTENTS SECTION PAGE SECTION 1 INTRODUCTION 1 1 Scope of A a a 1 1 1 2 General Descripliona as eucli
78. fl PRODUCT SUPPORT DRIVERS THE POWER SUPPLIER Ki m m3 SINCE 1946 KEPCO INSTRUMENT HOME PAGE INSTRUMENT A DESCRIPTION OPERATE INSTRUMENT CONFIGURE MANUFACTURER KEPCO TISIRPMENT EGG EE KLP 75 33 1 2K CONFIGURE DESCRIPTION KLP 1200 Watt LAN SERIAL NUMBER l 2100345 ID eT 05 26 2006 INSTRUMENT LXI SOFTWARE REVISION 1 1 BT CLASS Class C HELP LMIVERSION N HOSTNAME 192 168 1 240 MAC ADDRESS N 010 03 F4 01 F2 F6 TCPAP ADDRESS 192 168 1 240 LX KEPCO INC 131 38 Sanford Avenue Flushing NY 11352 USA Tel 718 461 7000 Fax 718 767 1102 www kepcopower com email ha kepcopower com Copyright 2007 Kepco Inc All rights reserved FIGURE 3 4 WEB INTERFACE HOME PAGE UNIT DESCRIPTION KLP031308 3 21 3 3 6 3 The KLP Instrument Home page identifies the unit which has been accessed including Manu facturer Instrument Description Serial Number Calibration Date LXI Software Revision LXI Class LXI Version Hostname MAC Address and TCP IP Address Click the HELP box at the left of the screen for detailed explanations of each These parameters can not be changed by the user Fault alerts are not available from this page Clicking the ID INSTRUMENT box at the left of the screen causes the physical front panel LAN indicator on the selected unit to blink allowing visual confirmation as to which unit is selected This is especially important if more than one unit is found on the LAN INSTRUMENT CONFIG
79. gital remote mode all front panel controls are disabled If desired local mode can be restored by pressing both VOLTAGE and CURRENT controls simultaneously the power supply will then remain in local mode until another digital command is received causing the unit to return to remote digital mode The OPERATE INSTRUMENT web page 1 2K Models only must not be active when restoring local mode To disable local mode entirely see PAR 3 2 2 1 for front panel lockout NOTE During both LOCAL and DIGITAL REMOTE operation the analog readback signals voltage and current remain available as does the remote inhibit signal only program ming signals are disregarded ANALOG REMOTE With power supply turned off ground Analog VO port pin 12 Refer to PAR 2 7 9 to configure the Analog I O Port refer to Table 2 2 to configure the Analog VO switch When the power supply is turned on the status display shows aRem Analog Remote program ming selected The unit will accept Analog Remote commands see PAR 3 4 and front panel controls are disabled except that the DC OUTPUT ON OFF switch is operational Local mode can be restored by pressing the VOLTAGE and CURRENT controls at the same time Once local mode has been restored analog remote programming is disabled until the unit is powered off then on again NOTE While Analog Remote programming is active the unit will respond to digital queries but will not respond to most digital commands except for th
80. h step of the ramp Clicking the Create Ramp button adds the steps to the list as the firmware calculates the intermediate voltage values and dwell times required to produce the desired ramp calculated dwell times for each step must be greater than 0 5 second Ramps with many total steps may take a few seconds to process the percentage complete is indicated below the Create Ramp button VIRTUAL OUTPUT PROTECTION RESET MODEL 1 fg EE Crete Rame FIGURE 3 12 ADDING MULTIPLE STEPS RAMPS TO LIST Execute the List Steps may be added to a list using Add to List Current Ramp or Voltage Ramp buttons however the total number of steps can not exceed 100 To execute the list enter the number of times the list is to be executed in the Loops box 0 is continuous set the output on click the On Off button if necessary and click the Execute List button While the list is run ning the title of the Execute List button changes to Stop Execution Stop the List If the Stop Execution button is clicked to stop the list the output stays on and the voltage current are returned to the previously set values for Output If the list is stopped by clicking the RST button the output turns off and Output setpoints are reset to OV minimum current except that if last setting recall PAR 3 2 7 3 is enabled the Setpoint values are from the last setting SETTING VIRTUAL MODEL 1 2K MODELS ONLY Refer to PAR 3 2 6 for details about what Virtual
81. he PRESS TO ACCEPT but ton to accept the value When the calibration is saved this analog voltage will be equivalent to full scale output voltage NOTE The full scale output voltage is determined by the vir tual settings in effect Must enter password to access Calibration PASSWORD R Full Scale Calibration TL WAGE Conect OFM to Calibration Resistor al CURRENT ero Calibration Conect DVM to Calibration Shunt External Calibration a OUTPUT ON OFF VOLT 7 CURR See Manual for Proper Setup Instruction Press ACCEPT when REFERENCE is at desired value SAVE CALIBRATION FIGURE 4 4 ANALOG REFERENCE CALIBRATION WINDOW KLP 031308 4 4 4 4 5 KLP 031308 2 The status display reads INPC Connect the reference voltage used to define full scale out put current as described in PAR 3 4 3 When the reference voltage is at the desired value click the PRESS TO ACCEPT button to accept the value When the calibration is saved this voltage value will be equivalent to full scale output current NOTE The full scale output current is determined by the virtual settings in effect 4 The status display will not change Proceed to PAR 4 4 4 to exit calibration CALIBRATION EXIT VXI plug amp play DEMO NOTE Clicking the Calibrate Close button on the VXI main panel will exit calibration WITH OUT saving any calibration data 1 Click the SAVE CALIBRATION button on the calibration window to save this cal
82. he previous setpoint value is restored after approximately 20 seconds Tap either adjustment control again to accept the displayed setting KLP031308 3 2 7 3 3 2 8 KLPO31308 2 In the setpoint mode both coarse rotate the control and fine rotate while pressing control in adjustment is available The coarse adjustment is approximately 100X the fine adjust ment resolution Setpoint adjust can be done with output either on or off however the output can not be enabled while setpoint is active See PAR 3 2 3 Voltage and current settings are not allowed to exceed either a the virtual model setting or b 80 of the protection value Attempts to set voltage or current beyond these limits will not be accepted The status display shows either gt MAX for virtual model gt OvP for voltage protection Or OCP for current protection to indicate which limit is being exceeded If a fault has been con figured for AUTO recovery the status display flashes AuTO for one second upon leaving Set point mode see PAR 3 2 13 5 2 LAST SETTING RECALL KLP is capable of saving the last setpoint values for voltage and current prior to unit shutdown and recalling them when the unit is next turned on Enable this function prior to power up by set ting Analog I O Switch 3 to the ON down position see Table 2 2 and Figure 2 2 Upon next power up each setpoint entry for voltage and current is stored in non volatile memory with lat est settings
83. hows current settings display a Shows actual output current PAR 3 2 7 b Shows current set point or overcurrent limit when function selected PAR 3 2 7 2 c Shows GPIB address PAR 3 2 9 baud rate PAR 3 2 10 d Shows unit password PAR 3 2 6 and PAR 4 3 CURRENT Multifunction rotary encoder with momentary contact pushbutton switch Rotate to set output current control PAR 3 2 7 and overcurrent limit PAR 3 2 8 Also used to enter SET mode of current programming momentary switch PAR 3 2 7 2 change GPIB address PAR 3 2 9 change RS232 baud rate PAR 3 2 10 enter Vir tual Model password PAR 3 2 6 and enter calibration password and perform calibration PAR 4 3 DC OUTPUT Green LED lights when DC output is enabled LED is off when output is disabled indicator DC OUTPUT Enables or disables the DC Output When output is disabled current and voltage are programmed to on off switch minimal value and zero respectively PAR 3 2 3 Also used to accept front panel inputs PROTECT Used to set overvoltage and overcurrent PAR 3 2 8 protection limits momentary switch NOTE Requires a thin tool e g end of paper clip to press switch LAN Indicator Green LED indicates when LAN interface is installed and valid IP address found Can be intentionally 1 2K Models only blinked using the web based interface to identify which unit is being accessed in a multi unit environ ment During initialization the LED blinks rapi
84. ia front Overcurrent 1 4 KLP 031308 TABLE 1 2 KLP SPECIFICATIONS Continued SPECIFICATION RATING DESCRIPTION CONDITION COMMENT PROGRAMMING CHARACTERISTICS ANALOG Analog remote control selection Activate with jumper at analog program ming connector isolation Safety Extra Low Voltage SELV Recognized during power up Analog input voltage digitized 12 bit resolution optically isolated then pro cessed by digital section See PAR 4 3 3 to reduce Full Scale voltage Min programming limit see Table 1 1 See PAR 4 3 3 to reduce Full Scale Analog Input Update Rate 2Hz 0 5 Second Applies to program ming by voltage resistance and read back specifications 0 10V Programming by voltage voltage current 0 10V voltage 0 10K ohms See PAR 4 3 3 to reduce Full Scale resistance 0 10K ohms Min programming limit see Table 1 1 See PAR 4 3 3 to reduce Full Scale resistance Readback 0 10V proportional signal Proportional to analog control volt age resistance Remote inhibit TTL compatible Dual polarity see PAR 3 2 13 5 1 Composite status flag Isolated form C contacts Programmable functions PAR 3 2 13 3 PROGRAMMING CHARACTERISTICS DIGITAL GPIB and RS 232 SCPI command set for GPIB and RS 232 see KLP Developer s Guide Support SCPI command set see KLP Developer s Guide for GPIB and LAN Support four interfaces for LAN 1 Web interface port 80 LXI Class
85. ibration 2 The Calibration window automatically closes and the Virtual Model window automatically opens 3 The virtual model settings can be changed after the password has been properly entered 4 NOTE The virtual model is always reset following calibration If voltage calibration is com pleted regardless of whether or not current calibration is completed the virtual model volt age is set for maximum rated voltage and current is set to the value corresponding to 1200 Watts If a current calibration is completed but no Voltage calibration the virtual model cur rent will be set for maximum rated current and voltage is set to the value corresponding to 1200 Watts CHANGING THE CALIBRATION PASSWORD The 4 digit Unit password is required for to enter calibration mode The factory default Unit password is listed in Table 4 1 To change the password from the front panel proceed as fol lows 1 If the status display shows SET tap either the CURRENT or VOLTAGE controls to take the unit out of setpoint mode status display goes from SET to blank 2 Hold the PROTECT switch in and use a thin tool e g a paper clip to press the FUNCTION switch Status display reads PASS NOTE To exit this procedure without changing the password rotate the VOLTAGE control 3 Tap the DC OUTPUT switch Status display reads OLD 4 Rotate the CURRENT control until DC AMPERES display shows old password Tap the DC OUTPUT switch to enter Status dis
86. ick KLPCTRL exe to run the program and refer to the KLP Developer s Guide in the Kepco klp folder for details about using the soft front panel For voltage calibration all loads must be disconnected and the sense terminals connected to the corresponding output terminals The digital voltmeter will be connected to the output of the power supply For current calibration after disconnecting all loads an appropriate shunt resistor will be connected across the output terminals and the digital voltmeter will be connected across the sense terminals of the shunt resistor 1 Turn off power supply and disconnect load from output bus bar at the rear of the unit 2 Verify that power supply is configured for local error sensing See PAR 2 7 5 1 3 For voltage calibration connect DVM to M S and M S of terminal block at the rear of power supply 4 For current calibration connect an appropriate shunt resistor see PAR 4 2 across the output terminals and connect DVM to shunt resistor terminals 5 Turn on power supply and after the status display shows SET start the KLP VXI plug amp play demo program 6 Click the Calibrate Access button on the VXI plug amp play demo main panel the button label changes to Calibrate Close and the Calibration Window Figure 4 1 opens with all buttons disabled grayed out and PASSWORD appears in the text box near the top of the window Om Calibration Must enter password to access Calibration IPA
87. ion via the web is disabled When the fault is corrected click OK to close the alert window and resume operation via the web NOTE Ifthe OPERATE INSTRUMENT password has been set see PAR 3 3 6 3 you will be prompted to enter the password before the OPERATE INSTRUMENT page can be viewed If the unit has been set to Analog control mode the OPERATE INSTRUMENT page displays only voltage current CV or CC mode and output state The unit can not be controlled via the LAN interface and the message Analog Remote Control is displayed on the open web page The functions that the user can modify are listed on the black menu bar below the representa tion of the front panel Output Protection Save Recall Reset List and Virtual Model and are described in the following paragraphs NOTE Once data in a field has been changed if the data is not entered within 20 seconds the data will revert to the previous value KLP031308 AN ISO 9001 COMPANY THE POWER SUPPLIER 19 KEPCO KEPCO WEB SITE e PRODUCT SUPPORT SINCE 1946 INSTRUMENT DESCRIPTION OPERATE INSTRUMENT OUTPUT PROTECTION MODEL CONFIGURE INSTRUMENT CONFIGURE LAN INSTRUMENT 3 3 6 5 1 3 3 6 5 2 LXI 8 Ep On Off KLP 75 33 1 2K SN A100345 ID HELP KEPCO INC 131 38 Sanford Avenue Flushing NY 11352 USA Tel 718 461 7000 Fax 718 767 1102 www kepcopower com emailhq kepcopower com Copyright 2005 Kepc
88. iring the browser to be closed and reopened 3 23 AN ISO 9001 COMPANY THE POWER SUPPLIER SINCE 1946 e 0 KEPCO KEPCO WEB SITE a e 7 PRODUCT SUPPORT DRIVERS fpes HRS ta KEPCO LAN CONFIGURATION PAGE INSTRUMENT HOST NAME DHCP PESERETON DESCRIPTION CO II DHCP ENABLED ERE mica inan Graad ig M AUTOIP ENABLED CONFIGURE DEFAULT GATEWAY a ene GOES INSTRUMENT CONFIGURE LAN DNS SERVER 0 0 0 0 ID om INSTRUMENT OPERATE INSTRUMENT HELP CONFIGURE INSTRUMENT CONFIGURE LAN KEPCO INC 131 38 Sanford Avenue Flushing NY 11352 USA Tel 718 461 7000 Fax 718 767 1102 www kepcopower com email hq kepcopower com Copyright 2007 Kepco Inc All rights reserved 3 3 6 5 3 24 FIGURE 3 6 WEB INTERFACE CONFIGURE LAN PAGE OPERATING THE UNIT USING WEB INTERFACE 1 2K MODELS ONLY To operate the unit click the OPERATE INSTRUMENT box at the left A simulated front panel at the top of the screen shows 1 output voltage and current 2 CV or CC if the unit is in con stant voltage or constant current mode respectively is displayed if the output is off meaning the unit is in neither CV nor CC mode and 3 whether the output is on or off An ON OFF button can be clicked to turn the output on or off A small white dot below the voltage display flashes to indicate the web page is communicating with the unit If a fault condition exists an alert window indicates the type of fault and operat
89. l current rating e g 33 34 for KLP 75 33 1200 This information can not be changed by the user INTERNAL RELAY CONTROL The internal relay contacts available at pins 6 7 and 8 of the Analog I O connector can be con figured from the front panel to operate in either Fault Manual or List mode If FAULT mode the factory default is selected the relay energizes automatically upon detection of a user selected condition The selections are a NORM normal a system fault see PAR 1 4 9 b v gt c when the unit transitions from Constant Voltage CV to Constant Current CC mode or c C V when the unit transitions from CC to CV mode If v gt c or C V is selected the amount of time the unit must be in CC or CV mode before the relay energizes may be programmed from the front panel see step 2a or using the SCPI command OUTP PROT DEL see KLP Devel oper s Guide 1 Enter UTIL menu see PAR 3 2 13 steps 1 through 3 and rotate either VOLTAGE or CUR RENT control until status display reads RELY The DC VOLTS display indicates whether the relay is currently ON energized or OFF deenergized Tap DC OUTPUT switch to enter Relay Control menu Rotate either VOLTAGE or CURRENT control to see the available relay control modes in the status display The modes are FLT factory default Relay is set to energize automatically upon detection of one of three preselected conditions NORM factory default relay energizes immediately upo
90. l scale voltage program ming to a lower value see PAR 4 3 3 1 VI PROGRAMS OUTPUT CURRENT l 2 V2 PROGRAMS OUTPUT VOLTAGE I n TO PIN 1 3 MAY BE SET TO ON TO LOCK LOCAL CONTROLS TAR TWIST Ge 2 VI I wi D N C pues oy 612345 ANALOG 1 0 PORT 4 DAN P AIA JZ ES Aa NA ES TAGE IMING VOLTAGE z DEP URRENT F RAMMING VOLTAGE j IN JOT APPLICABLE CEN JOT USED 1 TWIST LOCAL CONTROL LOCKOUT NOTE 3 AT V2 E IN 1 LA M FIGURE 3 15 ANALOG PROGRAMMING OF OUTPUT VOLTAGE OR CURRENT USING VOLTAGE KLP031308 3 31 3 32 Blank 3 4 4 CHANGING OVERVOLTAGE OR OVERCURRENT PROTECTION VALUES IN ANALOG PROGRAMMING MODE Overvoltage and overcurrent values can not be changed using analog remote programming this can only be done by issuing a command via the GPIB or RS232 port or via local mode from the front panel enter local mode by pressing the VOLTAGE and CURRENT adjustment con trols at the same time then see PAR 3 2 8 If the panel is locked and RS 232 or GPIB access is not possible turn the power supply off set ANALOG VO DIP switch position 5 to OFF and then power up again to unlock the panel PAR 3 2 2 1 After the settings have been changed turn the power supply off set ANALOG VO DIP switch position 5 to ON to relock the panel then turn on the power supply to restore Analog Remote Programming status display reads aRem 4 1 4 2 KLP 031308 SECTION 4
91. lished either through digital or analog programming DIGITAL PROGRAMMING Digital control for 1200 Models is available directly via either the IEEE 488 2 GPIB or RS232 ports using SCPI commands Digital control for 1 2K Models is available directly via either the IEEE 488 2 GPIB port using SCPI commands or via the LAN port using SCPI commands or web pages Most features available in local mode can be accessed in remote mode through dig ital programming as well as some that are only available via digital remote programming PAR 3 3 2 Front panel indicators showing operating mode and output voltage and current are active when digital programming is used Refer to the KLP Developer s Guide for more information about digital programming ANALOG PROGRAMMING KLP Power Supplies can also be controlled remotely using switch selectable voltage or resis tance Analog programming functions include voltage and current programming enabling dis abling the output and voltage and current readback see PAR 3 4 Full scale programming readback can be programmed using either an input analog voltage or by an input analog resistance See PAR 3 4 for more information DIGITAL CALIBRATION Internal adjustments of the KLP Power Supply are automatic Calibration can be performed in either local or remote using the VXI plug amp play demo program digital mode using a calibrated DVM and a corresponding precision shunt resistor Calibration constants
92. ll previous set current in non volatile memory for recall at the next power up point values upon power up 3 sequence see PAR 3 2 7 3 Power up set to 0 Volts and minimum current factory default Allows locking of the front panel controls see PAR 3 2 2 1 ON Local controls locked OFF Local controls enabled fac tory default 2 2 KLP HV 031308 RS ZIZ POR A A A ya s CONNECTOR 9 PIN ANALOG 1 0 e A N DOR 15 PIN LUL fcx UR p W 9 WAV J kila y de T d a A E yo A 7 E A gt o 4 A m A 4 A n e ub L fy A 2 O A A A A F ER A A A A 4 E UC CC 2 Qv O G O A E O LAN POR CONNECTOR 8 PIN Tor LS dies 10 9 G X Xy BE c ucc sp AO 23765432 AA i Y INDICATOR 2 ACTIVITY dz si LINE HOT DETAIL 3 ID ATER TIN AD i TN E L V F AN TERN A FOR 1 2K MODELS ONLY NEUTRA IEEE 488 BUS G IB He EE N 24 PIN RECEPTAG MAIN AM IN d CONNI CTOR 7 AN Kep ENS vu DAN NAME OC E 73 A A E 1200 MODELS AIL A VU VR LERE P RD L FY PA 7 4 bo ATTS C a L Si n
93. ls ONlY n 3 28 3 4 Remote Programming Using Analog SignalS nennen nne nnns 3 29 3 4 1 Enabling Disabling the Output using Analog Control enne 3 29 3 4 2 Programming with external resistance iii 3 30 3 4 3 Programming with external VOTA 3 31 3 4 4 Changing Overvoltage or Overcurrent Protection Values in Analog Programming Mode 0001nn000n 3 32 T KLP SVC 031308 TABLE OF CONTENTS SECTION PAGE SECTION 4 CALIBRATION 4 1 g wp rcc UR 4 2 EquipmenftRegured i ELLI PIT 4 3 Calibration Using Front Panel Controls in Local Mode nennen 4 3 1 Voltage Calibration Local 4 3 2 Current Calibration Local 4 3 3 External Calibration Local 4 3 4 Galibration Exi Locall ac RE IU E 4 4 Calibration using VI pl g amp play Driver ie ilaele ida 4 4 1 Voltage Calibration VXI plug amp play Driver Demo 4 4 2 Current Calibration VXI plug amp play Demo 4 4 3 Analog Reference Calibration VXI plug amp play Demo 4 4 4 Calibration Exit VXl plug amp play Demo 4 5 Changing the Calibration Password 4 6 Restoring Prior Calibration Values KLP INSTALLATION OPERATION SUMMARY KLP SVC 020498 FIGURE 1 1 1 2 1 3 2 1 2 2 2 3 2 4 2 5 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 3 10 3 11 3 12 3 13 3 14 3 15 4 2 4 3 4 4 LIST OF FIGURES TITLE PAGE KEP Serie Ge SUDOV e ll E LELLA LA M M pad M MEL ME vi KLP Operating Regions pelli ian 1 2 K
94. mmon a c mains voltages Table 1 4 lists line cords currently available as accessories TABLE 2 8 INPUT CURRENT SERVICE RATING AND CONDUCTOR SIZES MAINS VOLTAGE RANGE CURRENT SERVICE RATING CONDUCTOR SIZE 100 132V a c 50 60Hz 20 Amp 12AWG 2 0 mm 180 265V a c 50 60Hz 15 Amp 14AWG 3 0 mm 2 1 2 2 2 8 For continuous operation at output power levels lower than 1000 watts or for other line cord styles contact Kepco Applications Engineering for additional options CONNECTIONS Source power is connected at the rear panel of the KLP power supply see Figure 2 2 via the IEC 320 style recessed power inlet connector which provides interface to a three wire safety line cord via a polarized mating plug A user wirable mating connector is provided Terminal assignment follows internationally accepted conventions It is the user s responsibility to ensure that all applicable local codes for source power wiring are met Kepco also makes a variety of prefabricated safety line cord sets available for connecting KLP to source power via conven tional box mounted receptacles Table 1 4 lists three popular cord set variants for North Ameri can applications For other options please contact Kepco Sales Engineering with specific requirements KLP HV 031308 WARNING AN IT IS IMPERATIVE THAT THE USER PROVIDE ALL THREE SOURCE WIRE CONNECTIONS AS THIS CONNECTION IS THE SAFETY GROUND PROVISION 2 7 3 D C OUTPUT GROUNDING Connecti
95. n Error After detecting a Calibration Error Ecal and trying to use Eclp the previous calibration an error was detected and the unit will attempt to restore the factory calibration Factory Calibration Error The unit has failed to restore the factory calibration after Eclf failing to restore the previous calibration The unit will not operate after this error has been displayed and must be referred for service NOTE During power up the power supply performs detailed software check sequences If a failure is detected dur ing power up the DC VOLTS and DC AMPERES displays are blanked and the Status display shows an error code For errors that occur after power up refer to the Developer s Guide for typical error codes and possible causes For these and all other error codes refer to authorized service personnel if corrective action is required 3 2 KLP031308 3 2 2 3 2 2 1 KLP031308 SETTING LOCAL REMOTE MODE LOCAL MODE When the power supply is turned on it is automatically set to Local mode as long as Analog I O port pin 12 is not grounded In local mode the Status display is normally blank DIGITAL REMOTE MODE The power supply will automatically go into digital remote mode when digital remote commands are accepted via the GPIB RS232 or LAN ports In digital remote mode the power supply normally shows dRem in the status display The LAN indicator 1 2K models only is on when a valid IP address has been found When in di
96. n detection of a system fatal error V C relay energizes immediately upon detection of a system fatal error and 3 13 3 14 after a user programmable delay the relay energizes upon a transition from constant voltage CV to constant current CC mode C V relay energizes immediately upon detection of a system fatal error and after a user programmable delay the relay energizes upon a transition from constant current CC to constant voltage CV mode RTN Return to FLT menu MAN Relay on off is controlled manually directly from the front panel see below Relay state is not retained relay will be off when unit is turned on LIST Relay on off is controlled remotely using LIST commands via GPIB or RS 232 interface see KLP Developer s Guide RTN Return to RELY menu 2 To select mode rotate either VOLTAGE or CURRENT control until status display reads FLT factory MAN manual or LrST Then press DC OUTPUT switch to save selection a If FLT is selected rotate VOLTAGE or CURRENT control to select NORM V gt C or C V in the status display 1 To select NORM tap the DC OUTPUT switch to save selection unit returns to RELY menu 2 To select v gt C or C gt v first set the delay While v gt C or C V is in the status dis play the DC AMPERES display shows the delay in seconds from 000 5 to 128 0 NNND where NNN is an integer from 0 to 128 and D will be either 0 or 5 000 0 is not permitted
97. n without blinking If an IP address is not found the LAN indicator stays off e f any fault is configured for AUTO recovery see PAR 3 2 13 5 2 the status display flashes AUTO for one second f remote inhibit is active see PAR 3 4 1 upon power up the status display flashes rINH for one second f an error occurs an error code is displayed in the status display see Table 3 1 3 After a successful self test the default conditions upon power up are as follows Status display shows SET output is disabled green DC OUTPUT indicator is off If remote analog mode is selected PAR 3 4 output is enabled unless Remote Inhibit pin 8 of the Analog I O Connector see Figure 2 2 and Table 2 7 is grounded DC VOLTS and DC AMPERES displays show programmed output conditions either 0 Volts minimum Amperes see NOTE PAR 3 2 1 or if DIP switch position 3 enabled see Table 2 2 previously saved setpoint values in effect upon power off NOTE A minimum programmed current is required to ensure proper operation of the power supply under all load conditions Programmed current is automatically set to be at least the minimum current actual value depends on model see Table 1 1 e Since the output is off Constant Voltage CV mode indicator green LED and Con stant Current CC indicator amber LED are off TABLE 3 1 POWER UP BUILT IN TEST ERROR CODES ERROR CODE MEANING E310 System Error Previous Calibratio
98. nt in real time only if the output is enabled If the unit is in constant voltage mode CV indicator lit the DC VOLTS display shows the actual output voltage as the VOLTAGE control is rotated Similarly if the unit is in constant current mode CC indicator lit tte DC AMPERES display shows the actual output cur rent as the CURRENT control is rotated NOTE If the unit is in CV mode rotating the CURRENT control will affect the current limit even though the DC AMPERES display does not change since it is showing actual output current Similarly rotating the VOLTAGE control while in CC mode affects the voltage limit To change the limits to a precise value refer to PAR 3 2 7 2 Setpoint Adjust ment Voltage and current settings are not allowed to exceed either a the virtual model setting or b 80 of the protection value Attempts to set voltage or current beyond these limits will not be accepted The status display shows either gt MAX for virtual model limits OVP for voltage pro tection or gt OCP for current protection to indicate which limit is being exceeded SETPOINT ADJUSTMENT Tap either the VOLTAGE or CURRENT control to initiate setpoint adjustment status display reads SET The previous setpoint is visible on the corresponding DC VOLTS or DC AMPERES display 1 Rotate the corresponding control to change the setpoint as viewed on the corresponding LED display If you decide not to change the setting after rotating the control t
99. ntrol to advance to next choice CURRENT CALIBRATION LOCAL During current calibration the current current readback and analog current readback are cali brated 1 The status display reads LOAD When the shunt and DVM are connected per PAR 4 3 step 4 tap the DC OUTPUT switch The status display reads CMAX Rotate the CURRENT control to increase or decrease the DVM reading until the DVM read ing corresponds as close as possible to maximum rated current Calculate current as fol lows Amperes DVM reading Volts Shunt Resistance Ohms Tap the DC OUTPUT switch to accept the value The status display reads C 0 Rotate the CURRENT control to increase or decrease the DVM reading until the DVM reading corre sponds to minimum positive or zero current Calculate current as follows Amperes DVM reading Volts Shunt Resistance Ohms Tap the DC OUTPUT switch to accept the value The status display reads CMax Rotate the CURRENT control to increase or decrease the DVM reading until the DVM reading corre sponds as close as possible to maximum rated current Calculate current as follows Amperes DVM reading Volts Shunt Resistance Ohms Tap the DC OUTPUT switch to accept the value The status display reads ouTC Connect the DVM to ANALOG I O PORT J2 pin 13 M and pin 7 M Rotate the CURRENT con trol to increase or decrease the output voltage until the DVM reads as close as possible to 10V Tap the D
100. o Inc All rights reserved FIGURE 3 7 WEB INTERFACE OPERATE INSTRUMENT PAGE CHANGING THE OUTPUT 1 2K MODELS ONLY The Output dialog box opens when the OPERATE INSTRUMENT page is first opened or when OUTPUT is clicked see Figure 3 7 To set output voltage or current enter the values and click SET Voltage and current settings are not allowed to exceed either a the virtual model setting or b 80 of the protection value Attempts to set voltage or current beyond these limits will not be accepted To turn the output on or off click the ON OFF button within the simulated front panel CHANGING PROTECTION 1 2K MODELS ONLY Click PROTECTION to open the Protection dialog box Figure 3 8 To set the overvoltage and overcurrent protection values enter the values and click Set See PAR 3 2 8 for details about how overvoltage and overcurrent protection function in the KLP power supply i VIRTUAL OUTPUT PROTECTION MODEL FIGURE 3 8 PROTECTION DIALOG BOX 3 3 6 5 3 USING SAVE AND RECALL 1 2K MODELS ONLY KLPO31308 The KLP Power Supply contains 40 memory locations that can be used to store either active settings or a set of user determined settings Values are stored in the nonvolatile memory and are retained when the unit is turned off The stored settings can then be recalled using this fea 3 25 3 26 ture These settings are cleared when a calibration is performed Click SAVE RECALL to open the Save Recall Dialog Box Fig
101. of both power supplies Then refer to PAR 3 2 11 to complete the setup of each power supply in the master slave configuration KLP HV 031308 2 13 2 7 9 2 8 2 8 1 2 14 ANALOG VO CONNECTIONS The Analog VO Port connector located on the rear panel of the KLP power supply see Figure 2 2 provides access for all analog programming inputs and status signal outputs In addition an external trigger input is available for use with SCPI TRG and TRIG commands Refer to Table 2 7 for analog I O programming signal pin assignments and descriptions These signals must be protected from radiated and conducted noise as well as from physical contact with non valid driving sources The following subsections address specific programming signal applications in general however when accessing this connector from distant locations or high noise environments it is recommended that a shielded cable be used with the shield terminated to the system s single point ground a Analog Programming Enable ANALOG CTRL Connect pin 12 Analog Control to pin 9 11 13 or 15 ground to enable analog I O pro gramming b External Voltage and Current Programming V_Ref and C_Ref Twist the voltage programming signal V_Ref pin 3 Current Programming signal C_Ref pin 1 and ground pin 9 11 13 or 15 Configure Analog I O switch positions 1 and 2 to use either voltage or resistance as the programming source Factory default for full scale output is 10V
102. old while rotating 3 17 3 2 13 7 3 3 3 3 1 3 3 1 1 3 3 1 2 3 3 1 3 4 Tap the DC OUTPUT switch to accept the new settings blinking stops or use a thin tool e g a paper clip to press the FUNCTION switch to cancel the operation 5 To exit rotate either VOLTAGE or CURRENT control until the status display reads RTN then tap the DC OUTPUT switch To exit the UTIL menu rotate either VOLTAGE or CUR RENT control until the status display reads EXIT then tap the DC OUTPUT switch CALIBRATION Refer to PAR 4 3 REMOTE MODE PROGRAMMING USING DIGITAL INTERFACES For digital remote programming refer to the KLP Developer s Guide FACTORY DEFAULT SETTINGS GPIB FACTORY DEFAULTS The factory default GPIB address is 6 refer to PAR 3 2 9 to change the GPIB address RS 232 FACTORY DEFAULTS 1200 MODELS ONLY The factory default RS 232 settings are as follows refer to PAR 3 2 10 to change the RS 232 baud rate 1200 Models only Baud rate 38400 e Parity None DataBits 8 e Stop Bits 1 e Echo OFF e XON ON enabled NOTE Kepco strongly recommends the XON XOFF method for data transfer via RS 232 protocol for all Kepco products If this method is not selected it is the user s responsibility to ensure completion of any response by the power supply prior to issuance of subsequent commands LAN FACTORY DEFAULTS 1 2K MODELS ONLY The factory default LAN interface settings are listed below Factory default setting
103. on is factory default for remote error sense operation see PAR 2 7 5 1 For parallel or series operation of two or more power supplies see PAR 2 7 7 and 2 7 6 respectively 3 Connect remote programming cables if applicable Only one remote programming input may be active at a time Remote analog programming Connect programming cable between programming source and J2 see Table 2 7 and PAR 2 7 9 Digital programming using GPIB Connect programming cable between host computer and J4 see Table 2 3 and PAR 2 8 1 Digital programming using RS 232 1200 Models only Connect programming cable between host computer and J3 see PAR 2 8 2 and Table 2 4 Digital programming using LAN 1 2K Models only Connect LAN cable between host computer and J3 see PAR 2 8 3 and Table 2 5 4 Connect power supply to power source using one of the following See PAR 2 7 2 for additional information Use standard NEMA line cord set from Kepco see Table 1 4 or customized line cord using user wireable mating connector supplied in conjunction with user selected line cord or discrete wiring as applicable See Table 2 8 for source power branch current rating and overload protection recommendations 5 Apply source power Set Power ON OFF circuit breaker switch on front panel to ON Apply firm continuous pressure to rocker actuator until fully engaged right side of rocker actuator locked parallel to front panel If actuator does not lock when r
104. onfiguration parameters shown on the CONFIGURE LAN page Figure 3 6 The factory default is that passwords are not needed to access password protected areas and none of the three passwords have been established To set a password for the first time leave the CURRENT field blank enter the new password in the NEW and REPEAT fields then click SUBMIT Subsequent changes require the current password to be entered in the CURRENT field If a password is lost or forgotten the factory default state no password required can be restored from the front panel using the LAN Reset function see PAR 3 2 12 To change a parameter enter the correct data and click the appropriate checkboxes then click SUBMIT If the data is not entered within 20 seconds after the last keystroke the data will revert to the previous value If the LAN CONFIGURATION password was set you will be prompted to enter the password before the changes are accepted When SUBMIT is clicked after new IP address information is entered the front panel LAN indi cator blinks rapidly while the unit validates the IP address If the address is valid the browser returns to the INSTRUMENT DESCRIPTION page If the address entered is already in use the following note appears towards the top of the page NOTE IP Address is in use Click CONFIGURE LAN and choose another IP to correct An IP address that is not already in use must be entered and submitted otherwise the browser Will lock requ
105. ons between the power supply and the load and sensing connections may despite pre cautions such as shielding twisting of wire pairs etc be influenced by radiated noise or pick up To minimize the effects of this radiated noise the user should consider grounding one side of the power supply load circuit The success of d c grounding requires careful analysis of each specific application however and this recommendation can only serve as a general guideline One of the most important considerations in establishing a successful grounding scheme is to avoid GROUND LOOPS Ground loops are created when two or more points are grounded at different physical locations along the output circuit Due to the interconnection impedance between the separated grounding points a difference voltage and resultant current flow is superimposed on the load The effect of this ground loop can be anything from an undesirable increase in output noise to disruption of power supply and or load operation The only way to avoid ground loops is to ensure that the entire output load circuit is fully isolated from ground and only then establish a single point along the output load circuit as the single wire ground point The exact location of the best d c ground point is entirely dependent upon the specific applica tion and its selection requires a combination of analysis good judgement and some amount of empirical testing If there is a choice in selecting either th
106. or disable the output Connect REM INH pin 8 to GROUND pin 9 11 13 or 15 of analog port to disable power supply output open the connection to enable the output see PAR 3 4 1 The DC OUTPUT control on the front panel remains active in remote analog programming mode How do I adjust voltage and current setpoints using an external voltage source Set analog VO DIP switch positions 1 and 2 up factory default position to use external voltage control of voltage and current respectively Full scale programming voltage is factory set at 10V to alter full scale value see PAR 3 2 13 6 Apply a 0 10V signal from Vref pin 1 and Cref pin 3 to GROUND pin 9 11 13 or 15 of analog port to adjust the setpoint values for output voltage and current proportionally between minimum and maximum virtual model limits Programming input pins are only active when analog port is enabled See PAR 3 4 3 for details How do adjust voltage and current setpoints using an external resistance Set analog I O DIP switch positions 1 and 2 down to use external resistance for remote analog programming of voltage and current respectively Full scale programming resistance is factory set at 10KOhms to alter full scale value see PAR 3 2 13 6 and use 1000 ohms per volt scale factor Apply a 0 10KOhm resis tance from Vref pin 1 and Cref pin 3 to GROUND pin 9 11 13 or 15 of analog port to adjust the setpoint values for output volt age and current proportionally
107. or one step voltage and current and a dwell time duration between 0 5 and 655 36 seconds dwell times down to 0 01 second can be obtained using SCPI commands to generate the list Note the state of the internal relay can be stored using the VXI plug amp play driver or SCPI LIST commands but can not be controlled from the web interface Click Add to List but ton to add a step the information in the Voltage Current and Dwell boxes to the List steps shown to the right OUTPUT PROTECTION KLP031308 VIRTUAL MODEL FIGURE 3 11 LIST DIALOG BOX 3 27 3 3 6 5 6 3 28 Clearing the List Once a step has been added it can not be changed and can only be deleted by pressing the Clear List button to start over In addition performing any of the following oper ations will also clear the list changing overcurrent or overvoltage PROTECTION settings unit RESET clicking RST changing VIRTUAL MODEL settings and exiting the OPERATE INSTRUMENT page Create Voltage or Current Ramps In addition to adding single steps the user may add multi ple steps to produce voltage or current ramps Clicking the Voltage Ramp or Current Ramp button opens similar dialog boxes see Figure 3 12 Enter the starting and ending ramp values the number of intermediate steps including start and end the total time in seconds to go from the start to the end of the ramp and a constant current for voltage ramp or voltage for current ramp for eac
108. otate either the VOLTAGE or CURRENT control in either direction to select the function identified in the status display see below VERS Display System Firmware Version see PAR 3 2 13 1 MODL Display Model see PAR 3 2 13 2 RELY Relay Control see PAR 3 2 13 3 QKBT Quick Boot see PAR 3 2 13 4 SYST System Configuration see PAR 3 2 13 5 INVC Analog Input Voltage and Current A to D calibration voltages see PAR 3 2 13 6 LBT 1200 Models only Loop Back Test used to isolate RS 232 communication prob KLP031308 3 2 13 1 3 2 13 2 3 2 13 3 KLPO31308 lems see KLP Developer s Guide e CAL Display last calibration date and or begin Calibration see PAR 3 2 13 7 e RTN Exit any submenu and return to previous menu DISPLAY SYSTEM FIRMWARE VERSION Enter UTIL menu see PAR 3 2 13 steps 1 through 3 and rotate either VOLTAGE or CUR RENT control until status display reads VERS The DC VOLTS display identifies whether the firmware is the factory shipped firmware Pri displayed or field updated firmware SEC displayed The DC AMPS display shows the firmware version This information can not be changed directly by the user DISPLAY MODEL Enter UTIL menu see PAR 3 2 13 steps 1 through 3 and rotate either VOLTAGE or CUR RENT control until status display reads MODL The DC VOLTS display shows the model voltage rating e g 75 00 for KLP 75 33 1200 The DC AMPS display shows the mode
109. play shows 120 of current corresponding to 1200W E g for model 75 33 1200 DC VOLTS reads 90 0 KLP HV 031308 2 6 2 6 1 2 7 and DC AMPERES reads 19 2 Then the status display reads SET setpoint mode the DC VOLTS display reads 0 Volts the DC AMPERES display reads minimum Amperes see Note 1 below NOTES 1 A minimum programmed current actual value depends on model is required to ensure proper operation of the power supply under all load conditions Pro grammed current is automatically set to be at least the minimum current 2 f an error indication is blinking in the Status display refer to Table 3 1 for an expla nation of error codes 3 Rotate VOLTAGE adjust knob clockwise Verify that DC VOLTS display increases in large X 100 increments 4 Press and rotate VOLTAGE adjust knob clockwise Verify the DC VOLTS display increases in finer increments than step 3 then release knob 5 Adjust VOLTAGE adjust knob clockwise until Status display reads MAX Tap either VOLT AGE or CURRENT adjust knob once to enter values Verify Status display is blank 6 Connect a digital voltmeter DVM to the M and M terminals on the rear panel 7 Press and release DC OUTPUT switch to enable the output Verify DC OUTPUT indicator lights 8 Compare the programmed output voltage value step 5 with the voltage reading of the DVM the difference between the two should not exceed 0 05 of the maximum voltage of the unit
110. play shows NEW o Rotate the CURRENT control until DC AMPERES display shows new password Tap the DC OUTPUT switch to enter Status display shows RPT 6 Rotate the CURRENT control until DC AMPERES display reads new password Tap the DC OUTPUT switch to enter Status display reads DONE and the unit returns to setpoint mode 4 9 4 6 4 10 TABLE 4 1 FACTORY DEFAULT UNIT PASSWORDS 1200 OR 1 2K PASSWORD RESTORING PRIOR CALIBRATION VALUES Calibration values for KLP are stored in three separate locations designated Factory Previous and Working Each time the unit is calibrated the Working values are moved to Previous and the new calibration values are stored in Working It is possible to replace the Working calibration values with either the Previous or the Factory calibration values contact Kepco Sales Engineer ing for details KLP 031308 KLP INSTALLATION OPERATION SUMMARY This summary can be printed as a handy overview to common tasks covered in the KLP User Manual and includes hyperlinked refer ences to appropriate paragraphs Tables and Figures and Kepco website pages for more details INITIAL SETUP INSTRUCTIONS 1 Location Do not obstruct front and rear panel vents additional clearance at side top and bottom vents is recommended 2 Connect power supply output to load e Voltage drop must be less than 0 25V per conductor see Nomograph at http www kepcopower com nomomax htm Local error sense operati
111. pplies in any parallel con figuration load sharing must be implemented among the paralleled modules Kepco strongly recommends that parallel redundant applications employ master slave control available on 1200 Models only as described in PAR s 2 7 8 and 3 2 11 KLP HV 031308 2 11 ISE K A P 71 E ERMINAL BLOCK C OUTF M S CS S ERMINALS MODELS VE LI x APACITOR D A AS af Lu d E s SEI N A S FOR REMOTE SENSING PAR 27 8 FOR DETAILS N LAA Jy J ANNALS NSTALLED 2 12 NOTES 1 BLOCKING DIODES ARE OPTIONA DIODE POLARITY AND ALL APE REQUIREMENTS PRI gt MOV Vm ES VINZ V ONS OCAL SENSING JUMPERS FIGURE 2 5 PARALLEL CONNECTIONS USING REMOTE SENSING KLP HV 031308 2 7 7 1 2 7 8 LOAD SHARING When operating two or more power supplies in parallel either for capacity or redundancy it is desirable to distribute the load equally among all of the power supplies in order to improve per formance reduce stress and increase reliability KLP power supplies incorpo
112. ppropriate indication and the status bit is set for retrieval through either of the digital programming ports If the internal relay is configured for FAULT mode factory default setting see PAR 3 2 13 3 the relay will toggle to provide a com posite fault indication at the analog programming port The indication time is limited by internal hold up capacity for PWR faults as the unit shuts down when power is no longer sufficient to power the relay it de energizes a Overtemperature OTP Monitors heatsink temperature trips if it exceeds factory set limit b Overvoltage OVP or overcurrent OCP at the output See PAR 3 2 8 1 9 1 4 10 1 4 11 1 5 c Fan failure FAN Monitors all three internal cooling fans trips if failure of any fan d Output Lead Fault OLF Monitors output power and sense leads trips if any discontinuity open circuit is detected in load connections e Source Power Loss PWR Monitors internal d c bus voltage at output of PFC trips if low a c input or PFC failure occurs INTERNAL RELAY An internal relay provides common normally open and normally closed contacts available to the user via the analog I O connector This relay is normally programmed factory default to ener gize upon detection of a system fault FLT mode see PAR 1 4 9 for a list of faults The relay may also be programmed to be energized at the user s discretion from the front panel MAN mode or as part of a user specifie
113. r available at www kepcopower com drivers The VISA compliant VXI plug amp play driver works with many GPIB cards from suppliers such as National Instruments and Hewlett Packard These two ways cannot be combined EQUIPMENT REQUIRED The following equipment is required to calibrate the KLP Power Supply Digital Voltmeter DVM with 6 digits resolution and at least 0 002 accuracy for d c measurements NOTE Because the voltage measured will be used as a reference for calibration the DVM used must be accurately calibrated prior to calibrating the power supply Precision Shunt Resistor with a tolerance of 0 0196 power rating of at least 10 times larger than the maximum stress and a temperature coefficient equal to or better than 20 ppm per degree C e A stable clean d c power source capable of supplying 10 0000V or other desired full scale analog voltage at 10mA minimum a linear power supply or reference voltage 1 C is recommended NOTE Proper cooling of the external precision shunt resistor ensures the accuracy of the cal ibration 4 1 4 3 4 3 1 4 2 CALIBRATION USING FRONT PANEL CONTROLS IN LOCAL MODE For voltage calibration all loads must be disconnected and the sense terminals connected to the corresponding output terminals The digital voltmeter will be connected to the output of the power supply For current calibration after disconnecting all loads an appropriate shunt resistor Will be connected across th
114. r supply to the computer s GPIB interface card Use a standard GPIB interface cable at the GPIB port on the rear panel See Figure 2 2 Refer to Table 2 3 for GPIB port pin assignments Refer to PAR 3 2 9 to change the default GPIB address 6 from the front panel KLP HV 031308 2 8 2 RS 232 CONNECTIONS 1200 MODELS ONLY Communications between KLP considered data terminal equipment DTE and data communi cations equipment DCE e g a modem requires a patch cable or one with a pin for pin rela tionship between terminating connectors A null modem cable is necessary for nearly all applications with the exception of those in which the RXD and TXD line transposition is accom plished via external hardware e g older Apple MAC computers with D sub serial port See Table 2 4 for RS 232 port pin assignments Connect the cable to the KLP at the RS 232 port located on the rear panel See Figure 2 2 Refer to PAR 3 2 10 to change the default baud rate 38400 from the front panel 2 8 3 LAN CONNECTIONS 1 2K MODELS ONLY Connect the KLP to the LAN via the RJ 45 LAN port located at the rear panel See Figure 2 2 Refer to Table 2 5 for LAN port pin assignments Refer to PAR 3 2 12 to configure the LAN inter face from the front panel Some configuration can also be done through the web interface see PAR 3 3 6 3 Refer to the KLP Developer s Guide for the associated SCPI commands KLP HV 031308 2 15 2 16 Blank 3 1 3 2 3 2 1
115. ral clamping diodes in parallel may be required to meet the total current rating The user must also respect the 600V d c maximum isolation from output to chassis when determining the maximum series voltage Figure 2 4 shows a series connection of two KLP power supplies using remote sensing Kepco strongly recommends that series applica tions employ master slave control available on 1200 Models only as described in PAR s 2 7 8 and 3 2 11 PARALLEL REDUNDANT OPERATION Identical KLP power supply models may be connected in parallel in order to provide increased output current to a common load see Figure 2 5 This permits the user to obtain significantly higher load ratings than for a single KLP power supply The number of power supplies required is determined by dividing the required load current by the current rating of the applicable KLP model and rounding up to the next whole number when necessary KLP power supplies utilize active current sharing circuitry to distribute the load current equally among the paralleled units Redundant operation is achieved by paralleling one or more power supplies than the minimum number required to support the load in this way system operation is not compromised by the failure of a single power supply Any number of KLP power supplies N M can be wired for redundant operation as long as N power supplies can support the load M representing the total number of failed power supplies When operating KLP power su
116. rate active circuitry which forces multiple power supplies wired in parallel to share load current both in voltage and current mode regulation The KLP employs a single wire connection between paralleled power supplies forming a master slave relationship as follows the highest voltage unit becomes the master and all of the remaining units are slaved to it via the current share signal CS available at the rear panel terminal A3TB3 Figure 2 2 which boosts the slave outputs in order to increase load share A maximum boost limit prevents the slave units from following a defective master into an overvoltage condition or from creating a load hazard if either the slave itself or the load sharing system is defective When implementing load sharing the user must ensure that all power supplies are attempting to regulate to the same voltage at the same location and must minimize the possibility of load share signal corruption the power supplies should as nearly as possible emulate a single large power supply To this end the following rules apply a If possible remote error sensing should be employed with all error sensing connections ter minated at the same physical point and as close to the power supplies as possible if local error sensing is required power lead voltage drops must be minimized Provide local noise decoupling capacitors across all sense wire termination points b The power supplies should be located as near to each other a
117. re 2 1 to ON Apply firm continuous pressure to rocker actuator until fully engaged right side of rocker actuator locked parallel to front panel If actuator does not lock when released allow actua tor to return to starting position then wait a few seconds before repeating turn on sequence DO NOT attempt to tease the switch contacts closed by repetitive press and release action The circuit breaker is trip free design if overload exists contacts cannot be held closed by actuator 2 When the power supply is turned on it performs a self test and displays the following infor mation status display flashes MODL for 2 seconds while DC VOLTS and DC AMPERES dis plays show the maximum voltage and current capability of the unit status display flashes VIRT for 2 seconds while DC VOLTS and DC AMPERES dis plays show the maximum voltage and current allowed for a previously programmed vir tual model To reprogram the maximum allowable voltage and or current refer to PAR 3 2 6 to define a virtual model Status display flashes PROT for 2 seconds while DC VOLTS and DC AMPERES dis plays show previously stored OVP and OCP trigger levels NOTE to reprogram OVP or OVC refer to PAR 3 2 8 NOTE To eliminate the display of model virtual model and protection levels on power up refer to PAR 3 2 13 4 for quick boot 3 1 For 1 2K Models the LAN indicator blinks rapidly during initialization If an IP address is found it stays o
118. re must provide for compliance to any remaining electri cal safety requirements and act as a fire enclosure EN61010 1 2001 Cl 6 CI 7 Cl 8 and CI 9 This power supply is designed for stationary installation with mains power applied via a detachable power supply cord or via direct wiring to the source power terminal block This power supply is considered a Class 1 earthed product It is intended for use as part of equip ment meant for test measurement and laboratory use and is designed to operate from single phase three wire power systems This equipment must be installed within a suitably wired equipment rack utilizing a three wire grounded mains connection See wiring section of this manual for complete electrical wiring instructions EN61010 1 2001 Cl 6 10 1 This power supply has secondary output circuits that are considered hazardous and which exceed 240 VA at a potential of 2V or more The output wiring terminals of this power supply has not been evaluated for field wiring and therefore must be properly configured by the end product manufacturer prior to use This power supply employs a supplementary circuit protector in the form of a circuit breaker mounted on the front panel This circuit breaker protects the power supply itself from damage in the event of a fault condition For complete circuit protection of the end product as well as the building wiring it is required that a primary circuit protection device be fi
119. rence voltage used to define full scale out put current as described in PAR 3 4 4 When the reference voltage is at the desired value tap the DC OUTPUT switch to accept the value When the calibration is saved this voltage value will be equivalent to full scale output current The full scale output current is determined by the virtual settings in effect 5 The status display reads EXIT Proceed to PAR 4 3 4 to exit calibration CALIBRATION EXIT LOCAL NOTE using a thin tool e g a paper clip tap the FUNCTION switch to exit calibration WITH OUT saving any calibration data If no calibrations were completed then the unit advances to the next function as if the FUNCTION switch was pressed 1 When the status display reads EXIT tap the DC OUTPUT switch to save the calibration 2 The status display reads DATE The DC VOLTS display represents MMDD month day and the DC AMPS display represents YYYY year The factory calibration date is displayed with the first digit blinking as a starting point to enter the current date Rotate either the VOLTAGE or CURRENT controls to change the digit then tap either control to move to the next digit NOTE For purposes of traceability the user is strongly urged to enter the calibration date upon completion of calibration If a date is not entered no date is saved 3 Tap DC OUTPUT switch to accept date If any calibration voltage current or external was completed the unit will save the ne
120. rror sensing connection to the load compensates for the d c voltage drop in the power leads it cannot completely compensate for the undesirable output effects of the power lead inductance These lead impedances both power and sensing leads are especially important if the load is a constantly modulated or step programmed b has pri marily reactive characteristics or c where the dynamic output response of the power supply is critical to load performance LOAD CONNECTION GENERAL Load connections to the KLP power supply are achieved via the and DC OUTPUT termi nals located on the rear panel M and M outputs are also available at terminal blocks TB5 and TB1 respectively located on the panel for connection of external monitoring equipment such as a DVM oscilloscope etc Configuration of local or remote sensing is facilitated by pre installed jumpers which configure the unit for local sensing as shown in Figure 2 2 NOTE REGARDLESS OF OUTPUT CONFIGURATION OUTPUT SENSE LINES MUST BE CONNECTED FOR PROPER OPERATION EITHER LOCALLY OR AT THE LOAD REMOTE OBSERVE POLARITIES THE S TERMINAL MUST BE CONNECTED TO EITHER M LOCAL OR LOAD REMOTE AND THE S TERMINAL MUST BE CONNECTED TO EITHER M LOCAL OR LOAD REMOTE LOCAL SENSING REMOTE SENSING SELECT Local sensing factory default configuration is established by connecting terminal TB4 S to TBS M and TB1 M to TB2 S see Figure 2 2 The power supply i
121. s possible with power termina tions bussed together using adequately sized interconnections the power supply load inter connections should be distributed evenly along the power supply output interconnection bus ses his is especially important in high current systems employing several power supply modules in parallel where voltage drops in the interface connections can be significant in comparison to the load share signal voltage and introduce both d c and a c errors c All power supply output voltages should be adjusted as closely as possible and in any case within a 196 error band Additionally the current limit setpoints should be identical and high enough to support the load requirements for N M systems this means setting the current limits high enough to tolerate loss of M power supplies and still support the load d Minimize the current share signal wire interconnection lengths to reduce risk of noise influ ence MASTER SLAVE CONFIGURATIONS 1200 MODELS ONLY Master slave configurations of power supply pairs can be used to allow changes to output volt age current of one supply master to affect the output of the other slave Both units of a mas ter slave configuration must be identical models Master slave control is implemented using the RS 232 ports After connecting the series or parallel pair see PAR 2 7 6 or 2 7 7 respectively use a null modem cable minimum length 0 5 foot DB9F DB9F to connect the RS 232 ports
122. s shipped with two jumpers installed to obtain local sensing Remote sensing is established by first removing the factory installed local sensing jumpers between S and M and between M and S The S and S lines must be connected at the load see Figure 2 3 A high frequency bypass network consisting of two capacitors connected across the load as shown in Figure 2 3 is recommended to reduce noise in the sense loop KLP HV 031308 2 7 6 2 7 7 NOTE REMOVE LOCAL SENSING JU E WHEN USING REMOTE SENSING e e m p Z NNNM A_N N DANNI AIN a LK AA ee f A Pit d VIN AVV ANL IVY Y VIVI ELO LAA CECI e 4 Cl AMI RAD AC AD AULE yo B S JI A Sch ITN 5042595 Ao ed U L AVISO LA YO SET FIGURE 2 3 REMOTE SENSING SERIES OPERATION Units may be connected in series to obtain higher output voltages Each power supply in the series may be protected by a clamping diode connected in its non conducting direction in paral lel with the output This diode protects the power supply outputs against secondary effects in the event of a load short Note that this is NOT the same as the blocking diode used for parallel redundant operation Selection of the clamping diode is entirely dependent upon output volt age current parameters The clamping diode must be rated for the maximum voltage and cur rent of the series connection Seve
123. shers See Figure 1 3 sheet 1 Detail A for requirements TABLE 1 5 SAFETY SYMBOLS MEANING CAUTION RISK OF ELECTRIC SHOCK WARNING INDICATES THE POSSIBILITY OF BODILY INJURY OR DEATH CAUTION REFER TO REFERENCED PROCEDURE CAUTION INDICATES THE POSSIBILITY OF EQUIPMENT DAMAGE KLP 031308 1 11 1 12 Blank SECTION 2 INSTALLATION 2 1 UNPACKING AND INSPECTION This instrument has been thoroughly inspected and tested prior to packing and is ready for operation After careful unpacking inspect for shipping damage before attempting to operate Perform the preliminary operational check as outlined in PAR 2 5 If any indication of damage is found file an immediate claim with the responsible transport service 2 2 TERMINATIONS AND CONTROLS 2 2 1 FRONT PANEL CONTROLS AND INDICATORS Refer to Figure 2 1 and Table 2 1 LAN POWER ON OFF DC VOLTS CV indicator CC DC AMPERES DC OUTPUT Circuit Breaker display indicator 1 2K Models only indicator display indicator N si ka Ba p A x dn amp H il H una V Wi I MO Me Me Me a de SS SS SS SS FUNCTION Status PROTECT DC OUTPUT momentary switch display momentary switch on off switch VOLTAGE CURRENT 50422406 control momentary switch control momentary switch FIGURE 2 1 KLP SERIES FRONT PANEL CONTROLS AND INDICATORS 2 2 2 REAR PA
124. ssible to minimum rated POSITIVE voltage Must enter password to access Calibration PASSWORD Full Scale Calibration Conect DVM to Calibration Fiesistor al CURRENT ero Calibration Conect DVM to Calibration Shunt External Calibration ANALOG REF ki See Manual for Proper Setup OUTPUT ON OFF Instruchon Use d to Adjust Voltage to Max E RE SAVE WEB RE TIUN FIGURE 4 2 VOLTAGE CALIBRATION WINDOW 2 Click the PRESS TO ACCEPT button to accept the value The status display then reads VMAX Monitor DVM and click the button to increase and the to decrease the output voltage until the DVM reads as close as possible to maximum rated voltage 4 6 KLP 031308 3 Click the PRESS TO ACCEPT button to accept the value The status display then reads OUTV Connect to DVM to Analog I O Port J2 pin 6 and DVM to pin 13 Click the button to increase and the button to decrease the output voltage until the DVM reads as close as possible to 10V 4 Click the PRESS TO ACCEPT button to accept the value The status display will not change At the calibration window click the CURRENT Button to proceed to current calibration see PAR 4 4 2 4 4 2 CURRENT CALIBRATION VXI plug amp play DEMO During current calibration the current current readback and analog current readback are cali brated 1 Click the CURRENT button on the Calibration Window to start current calibration the
125. step 3 Tap the DC OUTPUT switch once The baud rate visible in the DC AMPERES display begins blinking Rotate the CURRENT control to change the baud rate then tap the DC OUTPUT switch to accept the displayed baud rate The display briefly reads DONE then returns to BAUD Rotate the VOLTAGE control until display reads EXIT then tap the DC OUTPUT switch to exit SETTING UP MASTER SLAVE CONFIGURATIONS 1200 MODELS ONLY Both units of a master slave pair must be identical models After connecting the RS 232 ports see PAR 2 7 8 proceed as follows to configure the individual units to be master or slave KLP031308 3 2 11 1 3 2 11 2 KLPO31308 CONFIGURE POWER SUPPLY AS MASTER 1200 MODELS ONLY 1 Turn power on If the unit comes up in setpoint mode see PAR 3 2 4 tap either the CUR RENT or VOLTAGE controls to take the unit out of setpoint mode status display goes from SET to blank Using a thin tool e g a paper clip press the FUNCTION switch once until the status dis play reads VIRT Rotate either the CURRENT or VOLTAGE control until the display reads M S Tap the DC OUTPUT switch once The status display reads either SERI series or PARA parallel The DC VOLTS display shows the number assigned to the unit 1 master 2 or above slave The DC AMPERES display shows the maximum number of units in the configuration e The factory default is standalone operation DC VOLTS and DC AMPERES
126. t figure Supports rated load power over mains voltage range of 100 136V a c Line Cord Set 125V 15A 2 5m long cord set provides for source power 118 1136 connection Mates with NEMA 5 15R receptacle LS see adjacent figure Supports restricted load APA power over mains voltage range of 100 136V a c Ve contact Kepco Sales Engineering for details l W d Line Cord Set 250V 15A 2 5m long cord set provides for source power 118 1137 connection Mates with NEMA 6 15R receptacle y amp see adjacent figure Supports rated load power ER E over mains voltage range of 180 265V a c d IEEE 488 GPIB Cable 1m long Connect KLP Power Supply to GPIB bus SNC 488 1 IEEE 488 GPIB Cable 2m long Connect KLP Power Supply to GPIB bus SNC 488 2 IEEE 488 GPIB Cable 4m long Connect KLP Power Supply to GPIB bus SNC 488 4 Chassis Slide 2 required per Allows rack mounted units to slide in and out 108 0239 power supply Jonathan 375 QD Series Analog Connector Backshell Locks analog port mating connector to KLP via jackscrews 108 0204 Loop Back Test Connector Used for verification of RS 232 operation 195 0112 Null Modem Cable Connect RS 232 port with controlling computer DB9F to DB9F 10 ft 118 1176 long LAN Patch cable Connects KLP LAN port to LAN 10 ft long 118 1115 Support bracket rear Provides extra support to rear of rack mounted unit if needed Two 128 2306 brackets required per unit Each bracket requires 2 screws and 2 wa
127. tion and 1 2 x lomax for overcurrent protection A built in feature prevents the unit from being programmed within 20 of OVP or 20 of OVC For example if OVP and OVC are set to 12V and 72A respectively programming of the output is automatically limited to 10V and 60A NOTE When a virtual model is defined PAR 3 2 6 OVP and OVC are automatically set 20 and 20 respectively above the maximum programmable values established by the virtual model If OVP or OVC are lowered by the user valid settings will actually be lower than the virtual model limits because values within 20 of OVP or 20 of OVC are prohibited The OVP and or OVC limits can be changed as follows 1 Using a thin tool e g end of paper clip press and hold the PROTECT switch The output is switched off setting voltage to zero Volts and current to a minimal value and the status dis 3 7 3 2 9 3 2 10 3 2 11 3 8 play shows PROT The DC VOLTS and DC AMPERES displays show the corresponding overvoltage and overcurrent protection setpoints while the PROTECT switch is held in To change the values operate the corresponding adjustment control while holding the PRO TECT switch in When the PROTECT switch is released the protection values showing in the DC VOLTS and DC AMPERES displays are entered as the new protection values CHANGING GPIB ADDRESS The factory default GPIB address is 6 To change the address from the front panel proceed as follows
128. ts Tap the FUNCTION switch to exit calibration WITHOUT saving any calibration data see PAR 4 3 4 Tap the DC OUTPUT switch to select the displayed choice NOTE Calibrations may be done in any order 9 Proceed to PAR 4 3 1 for voltage calibration PAR 4 3 2 for current calibration PAR 4 3 3 for external calibration or PAR 4 3 4 to exit calibration VOLTAGE CALIBRATION LOCAL During voltage calibration the voltage voltage readback and remote analog voltage readback are calibrated 1 Minimum voltage is first the status display reads v 0 Monitor DVM and rotate the VOLT AGE control to increase or decrease the output voltage until the DVM reads as close as pos sible to minimum rated voltage 2 Tap the DC OUTPUT switch to accept the value The status display then reads vMAx Moni tor DVM and rotate the VOLTAGE control to increase or decrease the output voltage until the DVM reads as close as possible to maximum rated voltage KLP 031308 4 3 2 4 3 3 KLP 031308 3 Tap the DC OUTPUT switch to accept the value The status display then reads om Con nect the DVM to ANALOG I O PORT J2 pin 13 M and pin 6 M Rotate the VOLTAGE control to increase or decrease the output voltage until the DVM reads as close as possible to 10V Tap the DC OUTPUT switch to accept the value The status display reads C Tap the DC OUTPUT switch to proceed to Current Calibration see PAR 4 3 2 or tap either VOLTAGE or CURRENT co
129. tted to the branch circuit wiring EN61010 1 2001 CI 9 5 Hazardous voltages are present within this power supply during normal operation All operator adjust ments to the product are made via externally accessible switches controls and signal lines as speci fied within the product operating instructions There are no user or operator serviceable parts within the product enclosure Refer all servicing to qualified and trained Kepco service technicians 228 1351 COND CONFORM 031308 SAFETY INSTRUCTIONS 1 Installation Operation and Service Precautions This product is designed for use in accordance with EN 61010 1 and UL 3101 for Installation Category 2 Pollution Degree 2 Hazardous voltages are present within this product during normal operation The prod uct should never be operated with the cover removed unless equivalent protection of the operator from accidental contact with hazardous internal voltages is provided There are no operator serviceable parts or adjustments within the product enclosure Refer all servicing to trained service technician PP Source power must be removed from the product prior to performing any servicing 2 Grounding This product is a Class 1 device which utilizes protective earthing to ensure operator safety The PROTECTIVE EARTHING CONDUCTOR TERMINAL must be properly con nected prior to application of source power to the product see instructions on instal lation herein in order to ensure sa
130. upplied to locate KLP s functioning on the LAN Highlight the unit and click Launch Web Page Click OPERATE INSTRUMENT Simulated front panel shows status of voltage current output on off and operating mode CV or CC Operating functions supported from Operate Instrument page Set output on off and output voltage current PAR 3 3 6 5 1 overvoltage overcurrent protection PAR 3 3 6 5 2 save recall PAR 3 3 6 5 3 reset PAR 3 3 6 5 4 list PAR 3 3 6 5 5 and virtual model PAR 3 3 6 5 6 Click CONFIGURE LAN to change LAN addresses or set up LAN passwords PAR 3 3 6 3 Click ID INSTRUMENT to flash physical LAN indicator on KLP
131. ure 3 9 VIRTUAL OUTPUT PROTECTION MODEL CHANGES OR SAVES CURRENT UNIT STATE FIGURE 3 9 SAVE RECALL DIALOG BOX NOTE When the SAVE RECALL tab is initially selected parameters for all locations appear as empty even when there are values stored from previous sessions Click the Pre view button first to avoid overwriting existing data To view currently stored settings Enter a location 1 to 40 in the box between Save and Preview buttons then click Preview button To change currently stored settings Enter a location 1 to 40 in the box between Save and Preview buttons then click Preview button Modify the settings and click Save button to save the modified settings To save the active settings Enter the desired location 1 to 40 in the LOCATION box and click Save State button to save the active settings Only the parameters shown in Figure 3 7 can be saved To save user determined settings Enter location 1 to 40 in the box between Save and Preview buttons Enter desired values for Voltage Current Overvoltage Protection and Overcurrent protection Select whether the output is to be on or off then click Save button to save the settings To Recall settings Enter the desired location in the LOCATION field and click Recall State to set previously stored settings as the active settings If a virtual model setting is changed and a stored setting is outside the range established by the new virtu
132. w calibration The status display reads DONE while cal ibration is being saved 4 Once saved the unit enters Virtual Model mode Follow the procedure in PAR 3 2 6 to set the virtual model NOTE The virtual model is always reset following calibration If voltage calibration is com pleted regardless of whether or not current calibration is completed the virtual model voltage is set for maximum rated voltage and current is set to the value corresponding to 1200 Watts If ONLY current calibration is completed the virtual model current will be set for maximum rated current and voltage is set to the value corresponding to 1200 Watts CALIBRATION USING VXI plug amp play DRIVER Calibration of the KLP can be performed using SCPI commands implemented through the VXI plug amp play Instrument driver The driver provides a graphical interface with informational dis plays and prompts which lead you through the calibration of the KLP This VISA compliant driver works with many GPIB cards from suppliers such as National Instruments and Hewlett Packard The following calibration procedure uses the soft front panel which is part of the VXI plug amp play driver for the KLP which can be downloaded from the Kepco website at www kepcopower com drivers or from the supplied CD KLP 031308 KLP 031308 Unzip the files and doubleclick on setup exe to install the driver The Kepco klp folder will be added to the Start Programs folder Doublecl
133. witch to exit FUNCTION control KLP031308 3 2 13 4 3 2 13 5 NOTE Ifa SYSTem SECurity IMMediate command is issued the above relay control settings are reset to the factory default FLT NORM QUICK BOOT Enter UTIL menu see PAR 3 2 13 steps 1 through 3 and rotate either VOLTAGE or CUR RENT control until status display reads QKBT Quick Boot If Quick boot is ON then the next time the unit is powered up it will go directly to setpoint mode status display reads SET see PAR 3 2 7 without displaying MODL VIRT and PROT settings The DC VOLTS display indicates whether quick boot is ON or OFF 1 Tap the DC OUTPUT switch to change the setting The DC VOLTS display begins to blink 2 Rotate either VOLTAGE or CURRENT control until the desired quick boot state is displayed then tap the DC OUTPUT switch to save the setting the blinking stops 3 To exit rotate either VOLTAGE or CURRENT control until the status display reads RTN then tap the DC OUTPUT switch To exit the UTIL menu rotate either VOLTAGE or CUR RENT control until the status display reads EXIT then tap the DC OUTPUT switch SYSTEM CONFIGURATION FUNCTIONS The system configuration functions allow the user to determine 1 whether the Remote Inhibit signal is an active TTL high or low and 2 how the unit recovers from a fault The unit password is required to change these functions 1 Enter UTIL menu see PAR 3 2 13 steps 1 through 3 and rotate either VOLT

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