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KLP Series User Manual, Rev 6

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1. 3 Q 0 0 0 0 0000098 8060000 9000 9000200 NRSR 900000 000000 Na 930000 9000 AQAA E Of 00000 299090000 20000090 2990000 0000 099 29 20 090280 90 0 SERIES POWER SUPPLY FIGURE 1 1 3010226 KLP010715 1 1 SECTION 1 INTRODUCTION SCOPE OF MANUAL This manual contains instructions for installation and operation of the KLP series of 1200W out put power stabilized voltage or current d c power supplies manufactured by KEPCO Inc Flushing New York U S A Digital remote operation is described in the KLP Developer s Guide which can be downloaded from the Kepco website at www kepcopower com support opmanls htm klp WARNING DANGEROUS AND LETHAL POTENTIALS ARE PRESENT 1 2 KLP 010715 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 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 2 Seven standard previously referred to as 1200 KLP Models and seven KLP E S
2. 3 6 3 2 7 Checking Voltage Current Setpoints nennen nennen nennen enne nnns 3 7 3 2 8 Password Protected 4447 4 0154400 tnnt nnne trn nnne nennen 3 7 3 2 9 Virtual Model u ipn enit 3 7 3 2 10 Setting Voltage Or CUtfent ioni He S qr ue At peine ER Oe niin eed 3 8 3 2 10 1 Real time Voltage Current nennen nennen nnne 3 9 3 2 10 2 Setpoint Adj stmlent 1 12 S ree IUe te e t Dat e cp epe NR te at d 3 9 3 2 10 3 East Setting Recall 3 inus enun uae 3 9 3 2 11 Viewing Changing Overvoltage or Overcurrent Protection 3 10 3 2 12 Changing GPIB Address ti i eene apa D TP 3 10 3 2 13 Changing RS 232 Baud Rate Standard Models Only sese 3 11 3 2 14 Setting up Master Slave Configurations Standard Models 3 11 3 2 14 1 Configure power supply as Slave Standard Models 3 11 3 2 14 2 Configure power supply as Master Standard Models 3 12 3 2 14 3 Operating the Master Slave Configuration Standard Models 3 13 3 2 14 4 Restoring the Master Slave Configuration
3. 3 20 Auto Recovery Options Fault PROTECT SAFE AUTO OVP Overvoltage Protection fault YES YES OCP Overcurrent Protection fault YES YES OLF Output Lead Fault YES YES TEMP Temperature fault YES YES YES PWR Loss of source power fault YES YES YES FAN Fan failure fault YES not configurable NOTE When using a master slave configuration all faults are set to PROTECT and power to both units must be cycled to clear a fault KLP010715 3 2 17 4 KLP010715 1 Enter UTIL menu see PAR 3 2 17 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 2 The location of the bar top mid dle or bottom corresponds 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 TEMP OLF OCP OVP XE THE FOLLOWING SETTINGS ARE SHOWN 7 OLF SET TO PROTECT OCP SET TO PROTECT OVP SET TO SAFE adi PWR SET TO AUTO TEMP SET TO AUTO SAFE PROTECT JL TS C AMPERES FIGURE 3 2 FAULT RECOVERY CONFIGURATION DISPLAY To change a fault recovery setting tap the DC OUTPUT switch t
4. 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 rotate either VOLT AGE or CURRENT control 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_o 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 4 3 4 3 3 4 3 4 4 4 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 but not less than the maximum rated current see Table 1 2 Calculate current as follows Amperes DVM reading Volts Shunt Resistance Ohms
5. Line 2 0102 Line 3 0103 Line 4 DI04 Line 5 EOI End or Identify 6 DAV Data Valid 7 NRFD Not Ready for Data 8 NDAC Not Data Accepted 9 IFC Interface Clear 10 SRQ Service Request 11 ATN Attention 12 SHIELD Shield 13 DIO5 Line 14 0106 Line 15 0107 Line 16 0108 Line 17 REN Remote Enable 18 GND Ground signal common 19 GND Ground signal common 20 GND Ground signal common 21 GND Ground signal common 22 GND Ground signal common 23 GND Ground signal common 24 LOGIC GND Logic Ground TABLE 2 4 RS 232 PORT CONNECTOR J3 PIN ASSIGNMENTS STANDARD MODELS ONLY PIN SIGNAL NAME FUNCTION NOTE A null modem cable see Table 1 5 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 1 DCD Data Carrier Detect protocol not used 2 RXD Receive Data 3 TXD Transmit Data 4 DTR Data Terminal Ready protocol not used 5 SGND Signal Ground 6 DSR Data Set Ready protocol not used 7 RTS Request To Send protocol not used 8 CTS Clear To Send protocol not used 9 RI Ringer Indicator protocol not used KLP HV 010715 2 RELAY_NO Connected to RELAY_COM pin 4 for relay energized condition 7 TABLE 2 5 LAN PORT CONNECTO
6. teed 2 11 2 7 7 1 2 13 2 7 8 Master Slave Configurations Standard Models 2 14 2 7 9 Analog VO CoOnneCtiOns ez ho desi acai daa 2 14 2 8 Digital Connections UE e Seb ei En RR Ue d 2 15 2 8 1 GPIB GOnnegtioliS PEE 2 15 2 8 2 RS 232 Connections Standard Models 2 15 2 8 3 LAN Connections E Series Models Onb y u 2 15 SECTION 3 OPERATION 3 1 GONG ral iiu NU e m e Eins 3 1 3 2 Local Mode 3 1 3 2 1 T rning the Power Supply ON area ah ER ce 3 1 KLP SVC 020498 i TABLE OF CONTENTS SECTION PAGE 3 2 2 Setting Local Remote Mode ene te UR aed ed en 3 3 3 2 2 1 Remote with Local Front Panel Lockout 3 4 3 2 3 Men Structures e enc Ora qon aguas 3 4 3 2 4 Setting VOLTAGE and CURRENT Control Coarse Fine Preference 3 4 3 2 5 Ernabling Disabling Output POWer 3 u fere ree eu ie ade eec 3 5 3 2 6 Enabling Disabling the Output using Remote Inhibit
7. Tap the DC OUTPUT switch to accept the value the status display now reads OUTC At the ANALOG I O PORT J2 connect the DVM to CURR_RBACK and GND as shown in Figure 4 1 Rotate the CURRENT 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 EXT Tap the DC OUTPUT switch to proceed to External Calibration see PAR 4 3 2 or rotate either VOLT AGE 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 ds The status display reads INPV With the reference voltage adjusted to 10 000V tap the DC OUTPUT switch to accept the value The status display reads INPC With the reference voltage adjusted to 10 000V tap the DC OUTPUT switch to accept the value 3 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 When the status display reads EXIT tap the DC OUTPUT switch to save the calibration 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
8. E SERIES MODELS ONLY The factory default LAN interface settings are listed below however actual unit settings may dif fer from those shown below depending upon whether the LAN is active or connected e DHCP ON e AUTOIP ON PING ON can only be changed through web interface IP Address Undefined MASK Address 255 255 0 0 GATE Address 0 0 0 0 DNS Address 0 0 0 0 These default setting can be restored using the LAN Reset function front panel only or config ured as desired from either the front panel see PAR 3 2 15 or the web interface see PAR 3 3 6 4 If the LAN connection is active when the reset is sent the default values are as shown except that IP MASK GATE and DNS addresses are retrieved from the LAN or router and may differ from values shown If the LAN is inactive i e LAN cable unplugged router inactive etc DHCP and AUTOIP are disabled and IP MASK GATE and DNS addresses are all set to 0 0 0 0 If either the AUTOIP or DHCP function is enabled by the user when the LAN inactive it will be disabled if source power is cycled 3 23 3 3 2 3 3 3 3 3 4 3 3 5 3 3 6 3 24 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
9. 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 When operating KLP power supplies in any parallel configuration load sharing must be imple mented among the paralleled modules Kepco strongly recommends that parallel applications employ master slave control available on standard models only as described in PAR s 2 7 8 and 3 2 14 KLP HV 010715 2 11 Ae EAR PANEL NOTE REMOVE LOCAL SENSING PERS BETWEEN M AND S AND BETWEEN AND 5 FOR REMOTE SENSIN OPTIONAL USER INSTALLED EE PAR 2 7 6 FOR DETAILS cx l 0 SEE NOTE 1 Co ENDE EE NOTE 3LOCKIN ODES ARE TION LOCATED IN NEGATIVE POWER ALL APPROPRIATE SAFETY AND
10. 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 the address press DC OUTPUT switch then 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 3 15 3 2 16 3 2 17 3 16 UNIT CONFIGURATION The Configuration Function identifies the firmware version the KLP model and the options installed 1 If the status display shows SET tap either the C
11. port pin 8 see PAR s 2 7 9 and 3 2 6 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 17 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 until the status display reads rINH and the DC VOLTS dis play reads either Hi or Lo To change the remote inhibit setting tap the DC OUTPUT switch The status display shows PASS Enter the unit password see PAR 3 2 8 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 Rotate either VOLTAGE or CURRENT cortrol until DC VOLTS display reads desired setting then tap DC OUTPUT switch to accept 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 2 17 3 2 FAULT RECOVERY MODE KLP010715 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 see PAR 3 2 8 The three recovery options are PROT SAFE and AUTO see Table 3 2 e 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
12. 3 6 5 LAN CONFIGURATION USING WEB INTERFACE E SERIES MODELS ONLY FIGURE 3 5 WEB INTERFACE CONFIGURE INSTRUMENT PAGE 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 data entry 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 8 which is needed for calibration chang ing virtual model etc All three web passwords described below are case sensitive 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 3 28 010715 The OPERATE INSTRUMENT password restricts the ability to modify the OPERATE INSTRUMENT page settings The se
13. 5 Configure the mating I O connector provided with unit to access the input programming sig nals Vref and and output readback signals VOLT RBACK and CURR RBACK as shown in Figure 4 1 Note that the wires to Vref and Cref should be tightly twisted with the corresponding GND wire and kept as short as possible Then connect the I O mating con nector to the Analog port of the power supply 6 Turn on power supply and after the status display shows SET start the KLP VXI plug amp play demo program 7 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 2 opens with all buttons disabled grayed out and PASSWORD appears in the text box near the top of the window The main panel status display shows calibration and the voltage and current meters are not visible 4 5 4 4 1 4 6 Must enter password to access Calibration PASSWORD Full Scale Calibration VOLTAGE Connect DVM to Sense Terminals Zero Calibration CURRENT Connect DVM to Calibration Shunt HEX External Calibration ANALOG REF See Manual for Proper Setup OUTPUT Instruction _ SAVE CALIBRATION FIGURE 4 2 CALIBRATION WINDOW 8 Use the computer keyboard to enter the password in the text box displaying the word PASS WORD then press the ENTER key 9 If password is correct the status display on t
14. 9 GND Ground 10 RELAY_NC Connected to RELAY_COM pin 4 for relay not energized condition 7 11 GND Ground 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 15 ground 13 GND Ground 14 EXT_TRG Performs same function as SCPI TRG command if unit is programmed for external triggering via digital remote mode Transition 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 15 GND Ground U Refer to PAR 3 2 17 1 to configure internal relay All GND connections are common KLP HV 010715 2 5 2 3 2 4 2 5 2 6 SOURCE POWER REQUIREMENTS This power supply operates with the installed circuit breaker from single phase a c mains power over the voltage and frequency ranges specified in Table 1 3 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 s
15. DIP switch position 3 enabled see Table 2 2 previously saved setpoint values in effect upon power off KLP010715 3 2 2 KLP010715 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 2 Since the output is off Constant Voltage CV mode indicator green LED and Con stant Current CC indicator amber LED are off 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 RS 232 or LAN ports In digital remote mode the power supply normally shows dRem in the status display The LAN indicator E Series models only is on when a valid IP address has been found When in digital 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 To disable local mode entirely see PAR 3 2 2 1 for front panel lockout For E Series
16. 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 90 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 common a c mains voltages Table 1 5 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 90 132V a c 50 60Hz 20 Amp 12AWG 2 0 mm 180 265V a c 50 60Hz 15 Amp 14AWG 1 6 mm3 2 7 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 applic
17. 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 0 to 10K causes the output voltage of the power supply to vary linearly from 0 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 3 2 17 4 to change the F S programming voltage to a lower value then adjust based on 1000 ohms Volt KLP010715 3 4 2 PROGRAMMING WITH EXTERNAL VOLTAGE Figure 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 9 and Overvoltage and Overcurrent settings PAR 3 4 3 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 I O DIP switch Figure 2 2 as follows SW1 OFF Program output voltage via voltage SW2 OFF Program output current via voltage SWS3 either OFF or ON disabled when in remote analog programming mode see Table 2 2 SWA Reserved Do not use SW5 Either OFF Local control
18. Table 1 5 Quick Start Guide 228 1773 1 Nut 1 4 20 with captive lockwasher on output studs of 10V 20V and 36V models only 102 0175 2 1 7 ACCESSORIES 1 8 Accessories for the KLP Power Supply are listed in Table 1 5 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 6 lists symbols used on the power supply or in this manual where applicable KLP 010715 TABLE 1 5 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 A EN see adjacent figure Supports rated load power over mains voltage range of 100 136V a c FA Line Cord Set 125V 15A 2 5m long cord set provides for source power NEMA 5 15R 118 1136 connection Mates with NEMA 5 15R receptacle gt eS see adjacent figure Supports restricted load power over mains voltage range of 100 136V 1 contact Kepco Sales Engineering for details N Line Cord Set 250V 15A 2 5m long cord set provides for source power NEMA 6 15R 118 1137 connection Mates with NEMA 6 15R receptacle CNS see adjacent figure Suppo
19. 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 EN 61010 1 2001 1 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 fitted to the branch circuit wiring EN 61010 1 2001 Cl 9 5 Hazardous voltages are present within this power supply during normal operation All operator
20. To change the settings tap the DC OUTPUT switch Note that DC VOLTS and DC AMPERES displays begin blinking 2 Rotate VOLTAGE control to set the analog readback voltage value desired for full scale out put voltage 3 Rotate the CURRENT control to set the analog readback voltage value desired for full scale output current 3 21 3 2 17 5 3 2 17 6 3 3 3 3 1 3 3 1 1 3 22 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 CURRENT control until the status display reads EXIT then tap the DC OUTPUT switch ANALOG INPUT FULL SCALE CALIBRATION Enter UTIL menu see PAR 3 2 17 steps 1 through 3 and rotate either VOLTAGE or CUR RENT control until status display reads ANPR 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 Note that DC VOLTS and DC AMPERES displays begin blinking 2 Rotate VOLTAGE control to set the analog voltage value required to produce the full sca
21. Using the IVI COM Instrument Driver 3 24 3 3 4 Remote Programming Using the LabView G Instrument 2 3 24 3 3 5 Remote Programming Using the VXI plug amp play Instrument 2 3 24 3 3 6 Remote Programming Using the Web Interface E series Models Only 3 24 3 3 6 1 Troubleshooting LAN Communication 3 25 3 3 6 2 Finding Kepco Power Supplies on the LAN E Series Models 3 25 3 3 6 3 Launch Web Interface E Series Models eene 3 26 3 3 6 4 Instrument Configuration Using Web Interface E Series Models 3 27 3 3 6 5 LAN Configuration Using Web Interface E Series Models 3 28 3 3 6 6 Operating The Unit Using Web Interface E Series Models 3 30 3 3 6 6 1 Changing the Output E Series Models Only 3 30 3 3 6 6 2 Changing Protection E Series Models Only essen 3 30 3 3 6 6 3 Using Save and Recall E Series Models Only u 3 30 3 3 6 6 4 Resetting the Unit RST E Series Models Only seen 3 32 ii KLP SVC 010715 TABLE OF CONTENTS SECTION PAGE 3 3 6 6 5 Using a List User Programmed
22. and current are cleared when the virtual model settings are saved KLP010715 3 4 KLP010715 SAVE RESET VIRTUAL OUTPUT PROTECTION RECALL MODEL FIGURE 3 13 VIRTUAL MODEL DIALOG BOX REMOTE PROGRAMMING USING ANALOG SIGNALS Vref and Cref present at the Analog Port see J2 Figure 2 2 and Table 2 7 are the respective voltage and current programming inputs used for programming the power supply output in pro portion to either and analog voltage drive signal or programming resistance Normally inactive these two inputs are activated by connecting the ANALOG_CTRL pin of J2 to one of the four GND pins before switching the power supply on Once the power supply start up sequence is completed the status display reads aRem The default full scale voltage level of both Vref and Cref is 10V each parameter can be set independently to accommodate lower full scale inputs see PAR 3 2 17 5 While the status display reads aRem Analog Remote mode the local output controls are locked out and digital programming commands are ignored However local displays remain functional and digital queries related to status and readback will be accepted and executed In addition the analog port provides analog readback outputs corresponding to output voltage and current via the signals VOLT BACK CURR R BACK respectively These outputs are active at all times and do not require the unit to be operating in Analog Remote mode The default ful
23. 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 Tap DC OUTPUT switch to accept date If any calibration voltage current or external was completed the unit will save the new calibration The status display reads DONE while cal ibration is being saved Once saved the unit enters Virtual Model mode Follow the procedure in PAR 3 2 9 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 KLP 010715 4 4 KLP 010715 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 complian
24. 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 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 Cur rent 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 standard 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
25. display shows the DC AMPERES display shows E g for model 75 33 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 and the DC AMPERES display shows the current corre sponding to 1200W E g for model 75 33 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 and the DC AMPERES display shows 120 of current corresponding to 1200W E g for model 75 33 DC VOLTS reads 90 0 and DC AMPERES reads 19 2 KLP HV 010715 2 6 2 6 1 2 7 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 If an error indication is blinking in the Status display refer to Table 3 1 for 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 kno
26. it is turned on again Set ANALOG I O DIP switch posi tion 5 to OFF to disable Remote with Local Lockout MENU STRUCTURE Many KLP functions are accessed via the FUNCTION switch This switch is disabled when the unit is in setpoint mode 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 Pressing FUNCTION switch using a thin tool e g a paper clip accesses the menu and sub menu structure indicated on the four character status display see Figure 3 1 To scroll through menu and submenu selections rotate either the DC VOLTS or DC AMPERES control Tap the DC OUTPUT switch to select and proceed Exit any submenu by tapping the DC OUTPUT switch when the status display shows RTN to return to the previous menu To exit the Function menu after all submenus have been exited tap the DC OUTPUT switch when the status display shows EXIT Pressing the FUNCTION switch once within any menu or submenu will also exit the Function menu SETTING VOLTAGE AND CURRENT CONTROL COARSE FINE PREFERENCE The VOLTAGE or CURRENT controls are shipped from the factory so that rotating either control produces a coarse adjustment pressing the control in while rotating produces a fine adjustment This can be reversed so that normal rotation produces a fine adjustment and pressing the con trol in while rotating produces a coarse adjustment 1 If the status display show
27. models the OPERATE INSTRUMENT web page must not be active when restoring local mode Changes to the unit configuration made while in local made will not appear on the OPERATE INSTRUMENT web page until remote digital control is restored either refresh the open browser page or close the browser and start a new session dREM reappears in the status display 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 I O 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 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 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 the 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 ca
28. output current until the DVM reads as close as possible to 10V KLP 010715 6 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 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 calibrated 1 Click the ANALOG REF button on the Calibration Window the Analog Reference Calibration Window Figure 4 5 appears and the status display on the VXI main panel reads INPV With the reference voltage adjusted to 10 000V click the PRESS TO ACCEPT button to accept the value When the calibration is saved this analog voltage will be equivalent to full scale output voltage Must enter password to access Calibration PASSWORD Full Scale Calibration Connect DVM to Sense Terminals UN Zero Calibration CURRENT Connect DVM to Calibration Shunt VOLTAGE External Calibration See Manual for Proper Setup OUTPUT VOLT 9 _ CURR Instruction Press ACCEPT when REFERENCE is at desired value Ji SAVE CALIBRATION FIGURE 4 5 ANALOG REFERENCE CALIBRATION WINDOW 2 The status display reads INPC With the reference voltage adjusted to 10 000V click the PRESS TO ACCEPT button to accept the value 3 The status display
29. the number assigned to the unit 1 master The DC AMPERES display shows the maximum number of units in the configuration 4 To change the configuration tap the DC OUTPUT switch once The DC VOLTS and DC AMPERES start blinking Rotate the CURRENT control until DC AMPERES display shows 1 Rotate the VOLTAGE control until DC VOLTS display shows 1 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 Once the master is configured for standalone operation the slave status display will flash 241 hardware error 6 Repeat steps 2 through 5 to restore the slave unit to standalone operation LAN INTERFACE CONFIGURATION E SERIES MODELS ONLY 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 end of paper clip press FUNCTION switch once then rotate either VOLTAGE or CURRENT control until sta tus display reads LAN Press DC OUTPUT switch to enter the LAN Interface configuration menu Rotate either VOLTAGE or CURRENT control to see the available functions LRST L AN Reset To restore the LAN interface configuration to the factory default tap DC OUTPUT switch once then rotate either VOLTAGE or CURRENT control to show YES in the DC VOLTS display then tap DC OUTPUT switch again T
30. the relay pro vide status flags via the Analog I O port connector Refer to PAR 3 2 17 1 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 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 3 2 9 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 gra
31. these limits will not be accepted The status display shows either gt MAX for virtual model limits gt 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 the previous setpoint value is restored after approximately 20 seconds Tap either adjustment control again to accept the displayed setting 2 In the setpoint mode both coarse and fine adjustment are available see PAR 3 2 4 to set coarse fine preference The coarse adjustment is approximately 100X the fine adjustment 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 5 Voltage and current settings are not allowed to exceed either a the virtual model setting or b 83 396 of the protection value Attempts to set voltage or current beyond these limits will not be accepted The status display shows either 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 figure
32. to 70 of power at 10 0008 Loss of source power protection Shutdown Overtemperature protection Shutdown Fan failure protection Shutdown Selectable Recovery Mode see PAR 3 2 17 3 2 KLP 010715 1 5 TABLE 1 3 KLP SPECIFICATIONS Continued SPECIFICATION RATING DESCRIPTION CONDITION COMMENT 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 blocks see Figure 159 Weight English 15 lbs metric 6 82kg Dielectric strength Input Chassis 2121V d c Output Chassis 2121V d c 1250V d c 10V 20V and 36V models Input Output 4242V d c 2500V 10V 20V and 36V models Source power connector IEC 320 C19 appliance inlet 250 Va c 16A VDE 125V a c 20A UL Load connections 10 36V models Nickel plated copper busbar with inte gral threaded stud 1 4 20 1 2in 75 600V models Shock safe Euroblock single conduc tor size 20 10AWG 0 5 5 0 mm Provision for safety covers Analog programming port 15 pin D sub Digital programming ports primary Standard GPIB connector IEEE 488 2 GPIB secondary 9 pin D sub RS 232 standard Models only secondary RJ 45 LAN E Series Models Only Feedback Control Input 5 position low profile Euroblocks PROGRAMMING CHARACTERISTICS LOCAL Local control Loca
33. to Standalone operation Standard Models Only 3 14 3 2 15 LAN Interface Configuration E series Models Only 3 14 3 2 16 Unit ConfigUratiOn Reston SERE D E ag OP SERERE al EE nr 3 16 3 2 17 Utility 3 16 3 2 17 1 Internal Relay Goritrol u iti eie Niet ed ie Ga ae als 3 17 3 2 17 2 Quick cache ein es eee eee ee 3 18 3 2 17 3 System Configuration FUNC ONS h un kas 3 19 3 2 17 3 1 Remote Inhibit Polarity rt En rec He ee ee 3 19 3 2 17 3 2 Fault Recovery Mode iba de mete ai tee th nee ede 3 19 3 2 17 4 Analog Output Full Scale Calibration nennen 3 21 3 2 17 5 Analog Input Full Scale Calibration u 3 22 3 2 17 6 irra etd 3 22 3 3 Remote Mode Programming Using Digital Interfaces 3 22 3 3 1 Factory Default Settings s pU DER eee ue pta I a ee ORE 3 22 3 3 1 1 GPIB Factory noue pU HE EAT ERR 3 22 3 3 1 2 RS 232 Factory Defaults Standard Models Only esee 3 23 3 3 1 3 LAN Factory Defaults E Series Models Only u 3 23 3 3 2 Additional Functions Not Available from the Front 3 24 3 3 3 Remote Programming
34. to access the input programming sig nals Vref and and output readback signals VOLT RBACK CURR RBACK as shown in Figure 4 1 Note that the wires to Vref and Cref should be tightly twisted with the corresponding GND wire and kept as short as possible Then connect the I O mating con nector to the Analog I O port of the power supply ref VOLT RBACK Fo Om I 4 2 FIGURE 4 1 ANALOG PORT WIRING FOR CALIBRATION 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 Tap the DC OUTPUT switch once then rotate either the VOLTAGE or CURRENT control in either direction until status display reads CAL The last calibration date is displayed see PAR 4 3 4 for details and the DC AMPERES display reads 0000 with the left most digit blinking Tap DC OUTPUT switch to enter calibration mode The status display shows PASS Enter the password see PAR 3 2 8 and tap DC OUTPUT switch to accept the number KLP 010715 4 3 1 4 3 2 KLP 010715 9 When the password is accepted status display reads Rotating either VOLTAGE or CURRENT control continuously cycles through all the calibration choices The status display reads V for voltag
35. values can be individually programmed The range for overvoltage and overcurrent values are 0 2 to 1 2 x Egmax and 0 72 to 1 2 x 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 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 17 1 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 for over voltage protection and 1 2 x lomax for overcurrent protection A built in feature prevents the unit from encroaching upon the above margins for OVP and OCP For example if OVP and OCP are set to 12V and 72 respectively programming of the output is automatically limited to 10V and 60A NOTE When virtual model is defined PAR 3 2 9 OVP and OCP are automatically set 20 and 2095 respectively above the maximum programmable values established by the virtual model If OVP or OCP are lowered by the user valid settings will actually be lower than the virtual model limits because values within 2096 guard band of OVP or OCP are prohibited The OVP and or OCP limits can be changed as follows 1 Using a thin tool e g end of p
36. 15 Data subject to change without notice How do view change the virtual model settings See PAR 3 2 9 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 OUT 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 view change overvoltage and overcurrent protection limits See PAR 3 2 11 for description of protection limits f sta tus 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
37. 3 OFF Power up set to 0 Volts and minimum current factory default 4 Reserved Do not use Allows locking of the front panel controls see PAR 3 2 2 1 ON Local controls locked 5 OFF Local controls enabled fac tory default 2 2 KLP HV 010715 NECTO ANALO VT 4 4 ETAIL A FOR STANDA EL LY ECTO ANAL RT Jj EED INDICAT 2 E P jc m m P LINK ACTIVITY INDICATOR N FOR ETHERNET ACTIVITY n LINE HOT DETAIL OTECTIVE EARTH FOR E SERIES EL LY EUTRAL STANDARD MODELS SEE DETAIL E SERIES MODELS SEE DETAIL A _ de 9 _ TROL INPUT TERMINAL BLOCK ANAL SETTING ESE CS 5 M TERMINALS WITCH n njninuijn F ee AND 600 DELS ONLY ELS ONLY lt 35 1 5 TB2 JUMPERS INSTALLED F LOCAL SENSI AX WIRE SIZE 10 A mr FIGURE 2 2 KLP SERIES REAR PANEL SWITCH AND CONNECTORS KLP HV 010715 2 3 TABLE 2 3 IEEE 488 PORT CONNECTOR J4 PIN ASSIGNMENTS PIN SIGNAL NAME FUNCTION 1 0101
38. 3 2 10 3 the previous set point value is cleared so that after changing the virtual model the initial powerup will be at 0 Volts minimum current In addition the following parameters which are not accessible from the 3 7 3 2 10 3 8 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 User determined output Sequences External Triggers VOLT TRIG and CURR TRIG values Sequences programmed using 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 Tap the DC OUTPUT switch once The status display shows PASS Enter the unit password see PAR 3 2 8 and tap DC OUTPUT switch to accept the number When the password is accepted the virtual model settings in the DC VOLTS and DC AM
39. 33 0 75V 16A 75V 0 4 0 33 3A 36V 33 3A 60 84 150 169 0 150V 8A 150V 0 2A 0 16A 75V 16A 125 mV 86 KLP 300 89 0 300V 4A 300V 0 1A 0 8A 150V 8A 150 mV 87 600 4 0 600V 2A 600V 0 05A 0 4A 300V 4A 150 mV 88 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 standard and E Series suffix E models KLP 010715 1 3 TABLE 1 3 KLP SPECIFICATIONS SPECIFICATION RATING DESCRIPTION CONDITION COMMENT INPUT CHARACTERISTICS nominal 100 240 Va c Single Phase a c voltage range 90 265 Va c Wide Range contact factory for opera tion to 265V a c nominal range 50 60 Hz Frequency maximum 45 440 Hz Increased Leakage above 66 Hz Power Factor typical 0 99 Meets EN 61000 3 2 Maximum Input Current 120 Va c 13A rms Rated load 1200W 240 Va c 6 5A rms Rated load 1200W 265 Va c 40A Peak Inrush Current 132 Va c 20A Peak Input Fusing Circuit Breaker 2 line Low a c Protection 87V a c Self protected Output hold up typical 10 milliseconds Ride through Leakage Current 115 Va c 60Hz 230 Va c 50Hz 1 2mA max 2 3mA max Electromagnetic Emissions CISPR11 Class A Class B Conducted compatibility Immunity EN 61326 1 Table 2 Industrial Environment OUTPU
40. 8 KLP 600 4 6004 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 two thin tools while holding the PROTECT switch in tap the FUNCTION switch once Status display reads PASS NOTE The FUNCTION switch must be actuated within two seconds i e before PROT appears in the status display 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 DC AMPERES display shows old password Tap the DC OUTPUT switch to enter Status display shows NEW KLP 010715 4 6 KLP 010715 5 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 then goes blank RESTORING PRIOR CALIBRATION VALUES Calibration values for KLP are stored in three separate locations in flash memory designated Factory Prior and Working Each time the unit is calibrated the Working values are moved to Prior and the new calibration values are stored in Working Factory values cannot be altered by the user The values in Working are the ones used by the power supply during operation During item final test a
41. 876 MIN DEEP FOR CABLE CLAMP 4 76 MIN I FOR LAMI EEP ABLE THREAD 70 lt pet 7 BeH alt ML DASHE SEE AREA FOR STA ETAIL D FOR E SERIES ILLIMETERS 0 8 T AS TION EXCE VOTE STALLA T IS NECESSARY FAILURE A E SPECIFIED NIT LT IN 3HPH AGE TO THE 6 14 37 m ETAIL D 2 E SERIES DELS ONLY ELS DDEL DELS NLY KLP SERIES POWER SUPPLY MECHANICAL OUTLINE DRAWING SHEET 2 OF 2 1 5 1 5 1 1 5 2 1 5 2 1 1 5 2 2 1 5 3 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 actu
42. 9 KLP010715 CHECKING VOLTAGE CURRENT SETPOINTS CAUTION BEFORE ENABLING THE OUTPUT ALWAYS CHECK THE SETPOINTS TO AVOID POSSIBLE 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 see PAR 3 2 4 to set coarse fine preference then tap the adjustment control again to accept the new setting If you decide not to change the value after rotating the control the previous setpoint value will be restored after about 20 seconds of inactivity 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 17 3 2 PASSWORD PROTECTED FUNCTIONS Certain functions such as system configuration and calibration can only be changed from the front panel after entering the unit password Refer to PAR 4 5 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
43. After initializing the output is disabled and the unit is in Setpoint mode pro grammed to minimum values for voltage and current 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 NOTE If the source power failure PWR recovery mode is selected as AUTO refer to WARNING on page 3 20 listed under AUTO description SAFE When a fault configured as SAFE is detected the output is disabled and the unit is returned to Setpoint mode programmed to last settings retrieved from the setpoint registers for voltage and current Recovery requires that the user exit Setpoint mode and re enable the output either from the front panel or via one of the digital program 3 19 AN ming ports Recovery cannot be initiated by toggling 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 preserving a safe response output off but it is the user s responsibility to NOT attempt multiple consecutive restarts without eliminating the fault condition AUTOmatic When a fault configured for AUTO recovery is detected the output is dis abled as long as the fault condition exists Once the fault condition is no longer present e g the unit has cooled down af
44. Blank 2 1 2 2 2 2 SECTION 2 INSTALLATION 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 TERMINATIONS AND CONTROLS 1 FRONT PANEL CONTROLS AND INDICATORS Refer to Figure 2 1 and Table 2 1 POWER ON OFF Circuit Breaker LAN CV indicator indicator E Series models only indicator DC OUTPUT indicator DC AMPERES display DC VOLTS display a 3M 1 50 E y LE r3 rJ FIGURE 2 1 control momentary switch PROTECT DC OUTPUT momentary switch on off switch CURRENT control momentary switch Status display FUNCTION momentary switch VOLTAGE KLP SERIES FRONT PANEL CONTROLS AND INDICATORS TABLE 2 1 CONTROLS AND INDICATORS CONTROL OR INDICATOR FUNCTION POWER ON OFF Circuit Breaker Turns the power supply on or off Applies input power to power supply internal circuits Circuit breaker provides input overload protection VOLTAGE Multifunction rotary
45. Circuit RODC Option 1 2 1 4 Specificatiofts z Gne rto qu basa heats ct hts 1 2 1 5 hka uay may kusqa Qata a k G a 1 10 1 5 1 bocal a a e cipe teet ee ae eis 1 10 1 5 2 Remote Control ost e hie eats ea c hs cet oe r 1 10 1 5 2 1 Digital Programming up hele eid stdin es ee a 1 10 1 5 2 2 Analog Programming s aa au eu tace etre iet tree eae avi 1 10 1 5 3 Digital Calibration s u ee erret ct i eee 1 10 1 5 4 Overvoltage Overcurrent Protection eene nnne nnne nennen nennen nennen tenens 1 11 1 5 5 User defined Voltage Current Limits Virtual 1 11 1 5 6 Storage of User Programmed Active Settings U nennen 1 11 1 5 7 User Programmed 1 11 1 5 8 last Setting Recall 1 11 1 5 9 B iltin iere 1 11 1 5 10 Internal Relay u ete EG eere E eset ied ete i ae an Lodo 1 12 1 5 11 Master Slave Control standard models Only T 1 12 1 6 Equipment Supplied erp a ede dr ceteri rd dee et o EE DE eee 1 12 1 7 ACCESSO ES eis u nu hate 1 12 1 8 Safely
46. 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 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 2 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 232 or LAN or analog input ports in remote mode The virtual model settings are password protected see PAR 3 2 8 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 can emu late are 36V 33A 1200W 20V 60A 1200W 30V 40A 1200W and 35V 30A 1050W Refer to Table 1 2 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 11 are reset to 12096 of the new maximum value except where necessary to maintain minimum values as noted in PAR 3 2 11 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
47. FIGURE 2 5 PARALLEL CONNECTIONS USING REMOTE SENSING 2 12 KLP HV 010715 2 7 7 1 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 incorporate 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 All error sense connections must
48. IGN Instruction FIGURE 4 3 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 3 Click the Press to ACCEPT button to accept the value the status display now reads OUTV At the ANALOG PORT J2 connect the DVM to VOLT RBACK and GND as shown Figure 4 1 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 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 a pop up box appears instructing the operator to connect the shunt across the output terminals Once the shunt is connected click OK the Current Calibration Window Figure 4 4 appears and the status display on the VXI main panel reads CMAX 4 7 4 8 Must enter password to access Calibration PASSWORD arene Full Scale Calibration VOLTAGE Connect DVM to Sense Terminal
49. LTS status display and DC AMPERES flash x 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 14 2 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 f analog control is used only the master is configured for analog control the slave is controlled digitally by the master f Remote Inhibit is used it should only be connected to the master f 241 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 communicat
50. Model rating Options installed PAR 3 2 16 change GPIB address PAR 3 2 12 change RS 232 baud rate standard models only PAR 3 2 13 set up master slave operation standard models only PAR 3 2 14 set up LAN interface E Series models only PAR 3 2 15 and enter the Utility menu PAR 3 2 17 The utility menu is used to configure the internal relay PAR 3 2 17 1 configure quick boot PAR 3 2 17 2 configure Remote Inhibit high or low and determine how the unit responds to faults PAR 3 2 17 3 calibrate analog inputs PAR 3 2 17 4 and enter calibration PAR 4 3 NOTE Requires a thin tool e g end of paper clip to press switch 2 2 2 REAR PANEL CONNECTORS AND SWITCHES Refer to Figure 2 2 and Tables 2 2 through 2 7 TABLE 2 2 ANALOG I O SWITCH FUNCTIONS DIP SWITCH POSITION FUNCTION SETTINGS Allows analog programming commands for voltage to be provided ON Selects Resistance 1 by either variable voltage PAR 3 4 2 or resistance PAR 3 4 1 OFF Selects Voltage factory default Allows analog programming commands for current to be provided ON Selects Resistance 2 by either variable voltage PAR 3 4 2 or resistance PAR 3 4 1 OFF Selects Voltage factory default Allows retention of the last entered setpoint values for voltage and ON Save and recall 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 10
51. ON DATE 05 26 2006 INSTRUMENT LXI SOFTWARE REVISION 1 1 LXICLASS Class C HELP LXIVERSION 1 1 HOSTNAME 192 168 1 240 ADDRESS 00 03 4 01 2 6 ADDRESS 192 168 1 240 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 FIGURE 3 4 WEB INTERFACE HOME PAGE UNIT DESCRIPTION 3 3 6 4 INSTRUMENT CONFIGURATION USING WEB INTERFACE E SERIES 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 see PAR 3 2 8 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 17 3 1 for details How the unit recovers from faults see PAR 3 2 17 3 2 for details The second group does not require a password and includes GPIB address see PAR 3 2 12 for details Quick boot see PAR 3 2 17 2 for details Assignment of the internal relay see PAR 3 2 17 1 for details NOTE The MODE CHANGE DELAY field must contain a non zero value within the specified range regard less of the relay mode selected fthe relay is assigned to Manual the state of the relay ON or OFF cannot be con tro
52. ONE then returns to ADDR 5 Rotate the VOLTAGE control until display reads EXIT then tap the DC OUTPUT switch to exit CHANGING RS 232 BAUD RATE STANDARD MODELS ONLY The factory default RS 232 baud rate is 38400 To change the baud rate from the front panel 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 then rotate either the CURRENT or VOLTAGE control until the display reads BAUD the active baud rate 1000 x the value visible in the DC AMPERES display e g 38400 is displayed as 38 4 To change the baud rate proceed to step 3 3 Tap the DC OUTPUT switch The baud rate visible in the DC AMPERES display begins blinking 4 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 5 Rotate the VOLTAGE control until display reads EXIT then tap the DC OUTPUT switch to exit SETTING UP MASTER SLAVE CONFIGURATIONS STANDARD 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 First configure the slave see PAR 3 2 14 1 then the master see PAR 3 2 14 2 Ensure adequate source power is availabl
53. PERES displays begin blinking 4 Rotate VOLTAGE and CURRENT controls until desired values appear in DC VOLTS and DC AMPERES displays Tap the associated control to change digits Pressing and holding the control in while turning changes adjustment resolution see PAR 3 2 4 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 second ary parameter as necessary to maintain maximum output power at 1200 Watts Maximum current shown on DC AMPERES display is automatically limited to 1200W maximum 5 Press DC OUTPUT switch to accept virtual model settings The unit displays done 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 programme
54. PR and ANRB default values are set to 10V 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 driver available at www kepcopower com drivers PAR 4 4 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 NOTE Calibration of a master slave configuration requires that both units be restored to standalone operation see PAR 3 2 14 4 for instructions and calibrated individually EQUIPMENT REQUIRED The following equipment is required to calibrate the KLP Power Supply Digital Voltmeter DVM with 6 digits resolution and at least 0 00296 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 Resist
55. R J7 ASSIGNMENTS E SERIES MODELS ONLY PIN SIGNAL NAME FUNCTION 1 TX Transmit 2 TX Transmit 3 NOT USED 4 NOT USED 5 NOT USED 6 NOT USED 7 RX Receive 8 RX Receive TABLE 2 6 CONTROL INPUT TERMINAL BLOCK ASSIGNMENTS TERMINAL FUNCTION M Positive output monitor connection TB5 see PAR 2 7 5 1 S Positive sense connection TB4 see PAR 2 7 5 1 CS Current Share bus TB3 see PAR 2 7 7 1 S Negative sense connection TB2 see PAR 2 7 5 1 M Negative output monitor connection TB1 see PAR 2 7 5 1 TABLE 2 7 ANALOG I O CONNECTOR J2 PIN ASSIGNMENTS PIN SIGNAL NAME FUNCTION 1 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 2 for voltage programming and 3 4 1 for resistance programming Vref Analog signal which programs output voltage from zero to full scale Voltage or resistance programming is selected via DIP switch position 1 See Table 2 2 Refer to PAR 3 4 2 for voltage programming and 3 4 1 for resistance programming 4 RELAY COM Relay common 7 5 Reserved 6 VOLT_RBACK Analog signal which represents output voltage from zero to full scale see PAR 3 4 7 CURR_RBACK Analog signal which represents output current from zero to full scale see PAR 3 4 8 REM_INH Allows single signal to control output on off See PAR 3 2 6
56. S 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 83 396 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 E SERIES 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 11 for details about how overvoltage and overcurrent protection function in the KLP power supply USING SAVE AND RECALL E SERIES MODELS ONLY 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 KLP010715 ture These settings are cleared when a calibration is performed Click SAVE RECALL to open the Save Recall Dialog Box Figure 3 9 AN ISO 9001 COMPANY KEPCO WEB m 77 PRODUCT SUPPORT THE POWER SUPPLIER OERE miii oa SINCE 1946 INSTRUMENT DESCRIPTION OPERATE IN
57. SET disappears see PAR 3 2 10 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 determined 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 Cur rent 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 12 BAUD standard models only set RS 232 baud rate PAR 3 2 13 LAN E Series models only configure LAN parameters see PAR 3 2 15 M S standard models only Master Slave PAR 3 2 14 UTIL utility PAR 3 2 17 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 Gkepcopower com 2007 KEPCO INC 228 1512 1 7
58. STRUMENT CONFIGURE INSTRUMENT CONFIGURE LAN ID INSTRUMENT HELP KLP 75 33 1 2K SN 4100345 VIRTUAL OUTPUT PROTECTION LIST MODEL KEPCO INC 131 38 Sanford Avenue Flushing NY 11352 USA Tel 718 461 7000 Fax 718 767 1102 www kepcopower com email hg kepcopower com Copyright 2006 Kepco Inc All rights reserved FIGURE 3 7 WEB INTERFACE OPERATE INSTRUMENT PAGE SAVE VIRTUAL OUTPUT PROTECTION RECALL RESET LIST MODEL FIGURE 3 8 PROTECTION DIALOG BOX VIRTUAL OUTPUT PROTECTION MODEL CHANGES OR SAVES CURRENT UNIT STATE LOCATION Recall State Save State 9 FIGURE 3 9 SAVE RECALL DIALOG BOX KLP010715 3 31 3 3 6 6 4 3 3 6 6 5 3 32 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 sho
59. Sequences E Series Models Only 3 32 3 3 6 6 6 Setting Virtual Model E Series Models Only esceesceeseeeeeeeeeeeeeeeeeeeeeaeeseeseaeeseeseaeeeaeeenateaes 3 34 3 4 Remote Programming Using Analog Signals a 3 35 3 4 1 Programming with external 3 36 3 4 2 Programming with external Voltage l entente nennt 3 37 3 4 3 Changing Overvoltage or Overcurrent Protection Values in Analog Programming 3 38 SECTION 4 CALIBRATION 4 1 i tcu cet Ed ed t fe ertt cod oe Cue age nds uama 4 1 4 2 Equipment Requlred pee tope ip EI et p Rae 4 1 4 3 Calibration Using Front Panel Controls in Local Mode a 4 2 4 3 1 Voltage Calibration REEL RE ra ette coe ee ED xen be ERE Dres dig 4 3 4 3 2 Gurtent Galibratior Local 5 rr Rea e uu 4 3 4 3 3 External Calibration edie Cara eae eii ku eee pena 4 4 4 3 4 Calibration Exit Local m u T Ee atti 4 4 44 Calibration using VXI plug amp play Driver nennen nennen nnne 4 5 4 4 1 Voltage Calibration VXI plug amp play Driver 4 6 4 4 2 Current Calibration VXI plug amp play Demo nennen nnne 4 7 4 4 3 Analog Refere
60. T CHARACTERISTICS Type of stabilizer CV CC Voltage Current Adjustment range voltage 0 100 of rated voltage No minimum load required current minimum to 10096 of rated current No minimum load required See Table 1 2 for minimum programmable current Source effect voltage 0 01 Emax Over full source range current 0 01 Imax Load effect voltage 0 02 Emax Over full load range current 0 05 Imax Temperature effect voltage 0 01 deg C 0 50 deg C current 0 01 deg C Time effect drift voltage 0 02 24hr After 30 min warmup current 0 02 24hr Error sensing 0 25 volts per wire Above rated output Contact factory for larger margins Isolation voltage 600 or peak 100V for 10V 20V and 36V models Either output terminal to ground 1 Contact factory for details on operation from d c input 1 4 KLP 010715 TABLE 1 3 KLP SPECIFICATIONS Continued SPECIFICATION RATING DESCRIPTION OUTPUT CHARACTERISTICS CONTINUED CONDITION COMMENT Transient recovery excursion 1 of Emax 50 load step 2A microsecond max for load change recovery 2 msec Return to 0 1 of setting Turnon turnoff overshoot 2 Rated output any load Rise Time Voltage 10V 20V 36V 30 msec 75V 40 msec 0 Emax rated load resistive 150V 50 msec 300V 60 msec 600V 75 msec Current 10V 20V 36V 30 msec 75V 40 msec 0 Imax rated load resistive 150V 50 msec 300V 60 msec 600V 75 m
61. To change the preference tap DC OUTPUT switch once The status display changes to ADJ and the DC VOLTS display starts to blink Rotate either the VOLTAGE or CURRENT control to alternate between and 5 Tap DC OUTPUT switch to accept new preference status display briefly shows WAIT then changes to ADJ and DC VOLTS display stops blinking To exit rotate either the VOLTAGE or CURRENT control until status display reads RTN and tap DC OUTPUT switch to return to previous menu ENABLING DISABLING OUTPUT POWER When the power supply is turned on the output is normally disabled DC OUTPUT indicator 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 However if the unit has been set to AUTO fault recovery the output may be enabled when the unit is turned on see PAR 3 2 17 3 2 3 5 3 2 6 3 6 To enable the output first tap either VOLTAGE or CURRENT control once to exit setpoint mode SET disappears from the status display then tap the DC OUTPUT switch once The DC OUT PUT indicator goes on to indicate the output is enabled 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 o
62. URRENT 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 then rotate either the VOLTAGE or CURRENT control until the status display reads 3 Tap DC OUTPUT switch to enter the submenu then rotate either the VOLTAGE or CUR RENT control to view the following configuration information When the status display reads VERS the DC VOLTS display identifies whether the firm ware is the factory shipped firmware Pri displayed or field updated firmware SEC dis played The DC AMPERES display shows the firmware version This information cannot be changed directly by the user When the status display reads KLP the DC VOLTS display shows the model voltage rat ing e g 75 00 for KLP 75 33 and the DC AMPERES display shows the model current rating e g 33 34 for KLP 75 33 This information cannot be changed by the user If the status display reads RODC this indicates the unit is an R Option model that has RODC Rapid Output Discharge Circuit installed If the status display reads LXI this indicates the unit is an E Series model that has the the RS 232 port replaced by LXI compatible ethernet enabled LAN communication port When status display reads RTN tap DC OUTPUT switch to exit submenu and return to previous menu UTILITY FUNCTION The Utility Function provides additional system information or ac
63. USER MANUAL KLP SERIES POWER SUPPLY 1200 WATT PROGRAMMABLE POWER SUPPLY LX lt INC MODEL An ISO 9001 Company KLP SERIES POWER SUPPLY ORDER NO REV NO IMPORTANT NOTES 1 This manual is valid for the following Firmware Versions FIRMWARE VERSION NOTE 10 07 and higher 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 par ticular 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 ME P N 243 1248 r6 THE POWER SUPPLIER KEPCO INC 131 38 SANFORD AVENUE FLUSHING NY 11355 U S A TEL 718 461 7000 FAX 718 767 1102 email hq Qkepcopower com World Wide Web http www kepcopower com Declaration of Conformity Application of Council directives 2006 95 EC LVD 2004 108 EC EMC Standard to which Conformity is declared EN 61010 1 2001 Safety requirements for electrical equipment for measurement contr
64. able 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 5 lists three popular cord set variants for North Ameri can applications For other options please contact Kepco Sales Engineering with specific requirements KLP HV 010715 WARNING N 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 Connections 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
65. abling only the RODC function until conditions recover to normal range unit performance remains otherwise unaf fected Note that RODC Option units support the TRANsient command see Developer s Guide for details SPECIFICATIONS Table 1 2 lists the parameters applicable to individual models Table 1 3 lists general specifica tions applicable to all models except where otherwise noted KLP 010715 VE INDICATES 0 5 nd KL 4 p KL 8 1 5 80 3 Sse IN 10 150 4 PEN 2 MODEL A KL 0 4 KL 400 8 KLP 4 KL 3 33 A A PERATING REC FOR EACH DEFINED BY 56 64 A A MINTS B C A FRON INT B TO POINT KLP 20 12 1 JPERATING REC IS DEFINED BY 12 MAXIMUM KLP 10 15 4224 SPECIFICATIONS APPLY TO ALL MODEL FIGURE 1 2 OPERATING REGIONS TABLE 1 2 MODEL PARAMETERS Rated Maximum Minimum Rated Maximum Ripple and Efficienc Model number Voltage current for Programmable Current voltage for noise 115 d Range 1 rated voltage current Rangel rated current 10 150 0 10V 120A 10V 1 9A 0 150A 8V 150A 60 mV 80 20 1209 0 20V 60A 20V 1 5A 0 120A 10V 120A 60 mV 82 36 609 0 36V 33 3A 36V 0 8A 0 60A 20V 60A 60 mV 83 75 3
66. ace Home Page Unit 3 27 Web Interface Configure Instrument u 3 28 Web Interface Configure LAN u 3 29 Web Interface Operate Instrument Page nennen nenne a 3 31 Protection Dialog BOX iet ete tieu te e dece RR Ebenen susan aep e bep e deb ud 3 31 Dialog Boxe 5 2 RE Rois 3 31 Reset Dialog u sa au a usaha hones 3 32 List Dialog Box ene Beier Rd ei 3 33 Adding Multiple Steps Ramps to 1 a 3 34 Virtual Model Dialog Box 2 ee AL er Le Re he teret eec eee deer Sarees 3 35 Analog Programming of Output Voltage or Gurrent using Resistance nn ore dn een vae 3 36 Analog Programming of Output Voltage or Current using 3 37 Analog Port Wiring for Calibration nnne 4 2 Galibration 52 eet iino otn 4 6 Voltage Calibration Window eec ECL De de Precio e eter u bus 4 7 Current Calibration WiINdOW cree E RR RHEIN COR ER RR UR E REALM REED nat 4 8 Analog Reference Calibration Window nennen nennen neret 4 9 KLPSVC 010715 KLP SVC 020498 LIST OF TABLES TITLE PAGE Rapid Output Discharge Ci
67. 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 1729 COND CONFORM 010715 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 gt P 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 safety from electric shock PROTECTIVE EARTHING CONDUCTOR TERMINAL This symbol indicates the point on the product to which the protective earthing cond
68. al 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 accomplished either through digital or analog programming DIGITAL PROGRAMMING Digital control for standard models is available directly via either the IEEE 488 2 GPIB or RS 232 ports using SCPI commands Digital control for E Series models is available directly via either the IEEE 488 2 GPIB port using SCPI commands or via the LAN port using SCPI com mands or web pages Most features available in local mode can be accessed in remote mode through digital programming as well as some that are only available via digital remote program ming PAR 3 3 2 Front panel indicators showing operating mode and output voltage and cur rent 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
69. am that greatly simplifies programming the unit with a Win dows compatible computer After running a setup a soft front panel is visible on the com puter 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 www kepcopower 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 computer 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 E SERIES 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 source power is applied to the power supply e g circuit breaker switched on it first tries to find a DCHP server and get an IP address during this time the LAN indicator continues to blink If a server is found and an address assigned the LAN indicator stays on with out blinking If the server is not found after approximately 10 seconds or if DHCP
70. aper 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 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 2 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 KLP supports GPIB addresses from 1 to 30 the factory default GPIB address is 6 To change the address from the front panel 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 then 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 3 Tap the DC OUTPUT switch The GPIB address visible in the DC AMPERES display begins blinking KLP010715 3 2 13 3 2 14 3 2 14 1 KLP010715 4 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 D
71. 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 Voltage drop must be less than 0 25V per conductor see 1 at http www kepcopower com nomomax htm Local error sense operation 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 standard models only Connect programming cable between host computer and J3 see PAR 2 8 2 and Table 2 4 Digital programming using LAN E Series 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 5 or customized line cord using user wireable mating connector sup
72. ation to 2 by rotating the CURRENT con trol 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 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 3 2 14 CONFIGURE POWER SUPPLY AS MASTER STANDARD MODELS ONLY 1 Turn power on If the unit comes up in setpoint mode see PAR 3 2 7 tap either the CUR RENT 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 then rotate either the CURRENT or VOLTAGE control until the display reads M S 3 Tap the DC OUTPUT switch 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 show 1 4 To change the configuration tap the DC OUTPUT s
73. ave 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 of both power supplies Then refer to PAR 3 2 14 to complete the setup of each power supply in the master slave configuration If GPIB control of the master slave pair is desired the user must connect to the master unit using an in line style connector as the commonly used stackable connector will interfere phys ically with the RS 232 connector above it Contact Kepco Sales Engineering for additional guid ance ANALOG I O CONNECTIONS The Analog I O 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 ter minated to
74. b 5 Adjust VOLTAGE adjust knob clockwise until Status display reads gt 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 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 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 5 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 pow
75. ce 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 error 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 outputs are also available at terminal blocks TB5 and TB1 respectively located on the panel for load error sense connections Configuration of local or remote sensing is facilitated by pre installed jumpers which configure the unit for local sensing as shown i
76. cess 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 Using a thin tool 0 a paper clip press the FUNCTION switch once then rotate either the VOLTAGE or CURRENT control in either direction until status display reads UTIL Tap DC OUTPUT switch once then rotate either the VOLTAGE or CURRENT control in either direction to select the function identified in the status display see below Tap the DC OUTPUT switch to enter the submenu RELY Relay Control see PAR 3 2 17 1 QkBT Quick Boot see PAR 3 2 17 2 ADJ Coarse Fine Adjustment Preference see PAR 3 2 4 SYST System Configuration see PAR 3 2 17 3 KLP010715 ANRB Analog Output Full Scale calibration voltages see PAR 3 2 17 4 ANPR Analog Input Full Scale calibration voltages see PAR 3 2 17 5 LBT Standard models only Loop Back Test used to isolate RS 232 communication problems see KLP Developer s Guide CAL Display last calibration date and or begin Calibration see PAR 3 2 17 6 RTN Exit any submenu and return to previous menu 3 2 17 1 INTERNAL RELAY CONTROL The internal relay contacts available at the Analog I O connector can be configured from the front panel to operate in either Fault Manual or List mode If FAULT mode the factory default is selected the relay energiz
77. constant current CC mode gt relay energizes immediately upon detection of a system 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 LIST Then press DC OUTPUT switch to save selection KLP010715 3 17 3 2 17 2 3 18 a NOTE C If FLT is selected rotate VOLTAGE or CURRENT control to select NORM V 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 gt or gt first set the delay While V gt C or gt 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 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 preven
78. 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 corresponding precision shunt resistor Calibration constants 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 010715 1 5 4 1 5 5 1 5 6 1 5 7 1 5 8 1 5 9 KLP 010715 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 standard models only LAN E Series models only or GPIB port The N O and N C contacts of
79. d for AUTO recovery the status display flashes gt AUTO for one second upon leaving Set point mode see PAR 3 2 17 3 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 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 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 10 2 output changes entered in real time mode PAR 3 2 10 1 are not saved To disable this function turn the unit off and set Analog I O Switch 3 9 3 2 11 3 2 12 3 10 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 Last output state ON or OFF is not retained upon restart the unit defaults to setpoint mode See AUTOmatic fault recovery mode PAR 3 2 17 3 2 VIEWING CHANGING OVERVOLTAGE OR OVERCURRENT PROTECTION VALUES Overvoltage and Overcurrent protection
80. d to current setpoint see PAR 3 2 10 Crossover between operating modes is seamless and automatic CV and CC indicators show present mode How do 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 See PAR 3 2 4 for coarse fine preference If in CC mode indicator lit rotate Current knob until AMPS display shows desired output current 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 10 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 10 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
81. d 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 10 1 or Setpoint adjustment PAR 3 2 10 2 KLP010715 3 2 10 1 3 2 10 2 3 2 10 3 KLP010715 REAL TIME VOLTAGE CURRENT ADJUSTMENT Rotating the associated control will change the output voltage or current 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 the 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 10 2 Setpoint Adjust ment Voltage and current settings are not allowed to exceed either a the virtual model setting or b 83 396 of the protection value Attempts to set voltage or current beyond
82. do 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 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 or disable the output Connect REM_INH 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 2 6 The DC OUTPUT control on the front panel remains active in remote analog programming mode REM_INH can be configured as active for either TTL high or low see PAR 3 2 17 3 1 How do adjust voltage and current setpoints using an external voltage source Set analog I O 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 17 4 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 2 for details How do adjust voltage and curren
83. e Full Scale resistance current 0 10K ohms Min programming limit see Table 1 2 Readback 0 10V proportional signal See PAR 4 3 3 to reduce Full Scale resistance Proportional to analog control volt age resistance Remote inhibit Composite status flag TTL compatible Isolated form C contacts Dual polarity see PAR 3 2 17 3 1 Programmable functions PAR 3 2 17 1 PROGRAMMING CHARACTERISTICS DIGITAL Supported Interfaces standard models GPIB and RS 232 SCPI command set for GPIB and RS 232 see KLP Developer s Guide E Series models GPIB and LAN 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 C Version 1 2 2 SCPI Telnet port 5024 3 SCPI Sockets port 5025 4 VXI 11 port 1024 GPIB GPIB address range 1 to 30 Factory default is 6 RS 232 Digital remote control standard models isolation Baud Rate range 2400 4800 9600 19 200 or 38 400 Safety Extra Low Voltage SELV Factory default is 38 400 format compatible with SCPI protocols W98 SE and later operating systems Programming resolution 0 024 of Emax and Imax Programming accuracy 0 05 of Emax and Imax Readback resolution 0 024 of Emax and Imax Readback accuracy Either 0 1 of Emax and Imax or front panel voltmeter or ammeter display res olution w
84. e 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 010715 2 9 2 7 4 2 7 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 sour
85. e calibration C for current calibration EXT for remote analog cali bration and EXIT to save the calibrated results 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 10 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 T Minimum voltage is first To start tap the DC OUTPUT switch while v appears in the status display the status display then reads v 0 Monitor DVM and rotate the VOLTAGE control to increase or decrease the output voltage until the DVM reads minimum positive or zero Volts 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 but not less than the rated model voltage see Table 1 2 Tap the DC OUTPUT switch to accept the value the status display now reads OUTV At the ANALOG I O PORT J2 connect the DVM to VOLT_RBACK and GND as shown in Figure 4 1 Rotate the VOLTAGE control to increase or decrease the output voltage until the DVM reads as close as possible to 10V
86. e to support the requirements of both power supplies Output wiring must be in accor dance with PAR 2 7 6 for series output connection or PAR 2 7 7 for parallel output connection as applicable parallel pairs must include load sharing connection per PAR 2 7 7 1 CONFIGURE POWER SUPPLY AS SLAVE STANDARD MODELS ONLY 1 Turn power on If the unit comes up in setpoint mode see PAR 3 2 7 tap either the CUR RENT or VOLTAGE control 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 then rotate either the CURRENT or VOLTAGE control until the display reads M S 3 Tap the DC OUTPUT switch 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 3 11 The DC AMPERES display shows the maximum number of units in the configuration 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 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 Specify the total number of units in the configur
87. ee PN ev Ee es ee ee 1 12 SECTION 2 INSTALLATION 2 1 Unpacking and INSPeCtiON L 2 2 rien ete dias e e tdt ut Ae ate nete 2 1 2 2 Terminations and Gohltrols oett meti e gren Qua 2 1 2 2 1 Front Panel Gontrols and Indicators u u u te re PUER 2 1 2 2 2 Rear Panel Connectors and Switches enne nennen nennen ener nnne 2 2 2 3 Source Power Requirements ree eR Ue 2 6 2 4 ates i oe 2 6 2 5 Preliminary Qperational Gheck si ERU I REO TRAE US 2 6 2 6 ET 2 7 2 6 1 Rack Mounting ee pe ch a 2 7 2 7 Wiring IniSttu tiores sedo RD E ma PEE alle ve ebur e tara co aed 2 7 2 7 1 Safety Grounding MGR 2 8 2 7 2 Source POWBST ces 2 8 2 7 2 1 C rrent Ratings cete Sg E eda a ayapash qp 2 8 2 7 2 2 GONMECHONS cni cotra tuber aei 2 8 2 7 3 DC Output Grounding 3 RR aet te tue es ee ecg gl 2 9 2 7 4 Power Supply Load Interface 2 10 2 7 5 I oad Gonnection z General cu dete adea eral 2 10 2 7 5 1 Local Sensing Remote Sensing Select sss enne nnne nennen 2 10 2 7 6 SeneS Operation esie ie Pe uti au us 0 2 11 2 7 7 Parallel Operation x re eate ct eo etae
88. encoder with momentary contact pushbutton switch Rotate to set output voltage control switch PAR 3 2 10 and overvoltage limit PAR 3 2 11 Also used to enter SET mode of voltage program ming PAR 3 2 10 2 change GPIB address PAR 3 2 12 change RS 232 baud rate PAR 3 2 13 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 10 2 or overvoltage limit when function selected PAR 3 2 11 CV Green LED lights to indicate power supply is operating in constant voltage mode see PAR 3 2 10 indicator Status Displays active function or blinks for error messages Normally blank VOLTAGE and CURRENT LEDs 4 character display display actual voltage and current CC indicator Amber LED lights to indicate power supply is operating in constant current mode see PAR 3 2 10 KLP HV 010715 2 1 TABLE 2 1 CONTROLS AND INDICATORS CONTINUED CONTROL OR INDICATOR FUNCTION DC AMPERES Four digit LED display that shows current settings display a Shows actual output current PAR 3 2 10 b Shows current set point or overcurrent limit when function selected PAR 3 2 10 2 c Shows GPIB address PAR 3 2 12 baud rate PAR 3 2 13 d Shows unit password PAR 3 2 9 and PAR 4 3 CURRENT Multifunction rotary encoder with momentary contact pushb
89. equire 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 15 To change a parameter enter the correct data and or click the appropriate checkboxes then click SUBM IT to save the change or NO CHANGE to clear and reload the page without saving 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 3 29 3 3 6 6 3 3 6 6 1 3 3 6 6 2 3 3 6 6 3 3 30 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 requiring the browser to be closed and reopened OPERATING THE UNIT USING WEB INTERFACE E SERIES MODELS ONLY To operate the unit click the OPERATE INSTRUMENT box at the left A simulated front panel at the top of the screen show
90. er sup ply and load must be observed by the user These rules are described in detail in the following paragraphs KLP HV 010715 2 7 2 7 1 2 7 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 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
91. eries Models previously referred to as 1 2K are available as listed in Table 1 2 The standard Models are GPIB and RS 232 compatible the KLP E Series Models identified by the E suffix are GPIB and LAN ethernet compatible The only difference between standard and E Series models is that LAN replaces the RS 232 interface on E Series models All models allow remote analog programming as well as local control 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 90 265V a c 45 66 Hz input source power Since there are no internal adjustments KLP Power Supplies offer excellent output 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 Digital programming of standard models is via either IEEE 488 2 GPIB bus or RS 232 communication bus The E Series mod els offer digital programming via either IEEE 488 2 GPIB bus or using direct or web page con trol via the LAN port Digital control is done with 12 bits o
92. ernal d c bus voltage at output of PFC trips if low a c input or PFC failure occurs 1 5 10 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 5 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 specified program using LIST commands LIST mode Refer to PAR 3 2 17 1 for details 1 5 11 MASTER SLAVE CONTROL STANDARD MODELS ONLY For applications that require the use of multiple standard KLP 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 14 for details 1 6 EQUIPMENT SUPPLIED Equipment supplied with the unit is listed in Table 1 4 TABLE 1 4 EQUIPMENT SUPPLIED ITEM PART NUMBER QUANTITY Jumper 24 AWG or larger bus wire for local sensing connections 172 0585 2 Analog port mating connector 142 0528 1 Source power mating connector Mates with a c source power input connector J1 see 142 0381 1 Figure 2 2 Allows user to fabricate custom line cord Prefabricated line cords available as accessories see
93. es automatically upon detection of a user selected condition The default selection is NORM normal triggering the relay for any system fault see PAR 1 5 9 Two additional selections are available gt adding a fault indication when the unit transi tions from Constant Voltage CV to Constant Current CC mode and b c v adding a fault indication 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 pro grammed from the front panel see step 2a or via the CONFIGURE INSTRUMENT web page E series models only 1 Enter UTIL menu see PAR 3 2 17 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 tap DC OUTPUT to access FLT submenu NORM factory default relay energizes immediately upon detection of a system error V C relay energizes immediately upon detection of a system error and after a user programmable delay the relay energizes upon a transition from constant voltage CV to
94. essed To enable the output after Remote Inhibit has been asserted first withdraw Remote Inhibit then tap OUTPUT ON switch If OUTPUT ON switch is pressed while Remote Inhibit is asserted the command is ignored and is flashed once in the status display DIGITAL CONTROL MODE For Digital Control mode the Remote Inhibit signal acts as an emergency shutdown Asserting Remote Inhibit overrides OUTPut ON commands and forces an OUTPut OFF state This is true even if AUTOmatic recovery from a source power or over temperature fault should return the output to a previous enabled state If Remote Inhibit is asserted the output will be disabled even if OUTPut ON command is sent To enable the output after Remote Inhibit has been asserted first withdraw Remote Inhibit then send OUTPut ON command If the OUTPut ON command is sent while Remote Inhibit is asserted the command will be ignored and rINH flashes in the status display every two seconds ANALOG CONTROL MODE If the output has previously been enabled asserting withdrawing Remote Inhibit allows the output to be enabled disabled remotely If the output is already off this signal has no effect however if Remote Inhibit is active and an attempt is made to turn the out put on the output will stay off and rINH will appear in the status display If Remote Inhibit is withdrawn the output will go to the levels programmed on Vref and without warning KLP010715 3 2 7 3 2 8 3 2
95. f Test Error Ecal Calibration Error The unit will try to restore the previous calibration Previous Calibration 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 fail Eclf ing 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 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
96. f 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 5 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 1 1 1 3 1 3 1 1 4 1 2 OPTIONS Options are identified by a letter suffix Unless otherwise noted options apply equally to stan dard and E Series models and specifications are not affected RAPID OUTPUT DISCHARGE CIRCUIT RODC OPTION R SUFFIX The Rapid Output Discharge Circuit RODC option suffix R is available on all KLP models This circuit rapidly discharges the output capacitance thus significantly reducing response time to reductions in output voltage The circuit consists of a voltage detector that compares the programmed and actual values of output voltage The discharge circuit is activated only when the actual voltage exceeds the pro grammed value Without the RODC circuit discharge of the total output capacitance internal and external is achieved through a combination of the external load resistance and an internal current sink For high load resistance or open circuit conditions at the output response time fall time can vary from milliseconds to seconds depending upon the magnitude of the high to low voltage transi tion With the RODC option output fa
97. 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 the 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 rippl
98. has been disabled the unit will use AUTOIP to get an address if an IP address is found the LAN indicator stays on without KLP010715 3 3 6 1 3 3 6 2 KLP010715 blinking The range of valid AUTOIP addresses is 169 254 000 000 through 169 254 255 255 inclusive Note that the Network Mask default for AUTOIP is 255 255 000 000 If an IP address is not found after two seconds the LAN indicator stays off The FUNCTION LAN menu see PAR 3 2 15 can be used to view the IP address that was found or change it if desired The user can also elect to disable both DHCP and AUTOIP func tions and enter IP Network Mask Gateway and DNS addresses manually TROUBLESHOOTING LAN COMMUNICATION PROBLEMS If the LAN indicator stays off First verify that the host end of the LAN connection is active switch or hub is powered on These devices typically include indicators that indicate port activity so if the port to which the power supply is connected is inactive dark try connecting to a different port Inspect the LAN cable connections at both ends ensuring that the plugs are fully engaged with their respective receptacles Try replacing the LAN cable with a cable known to be good fthe KLP is connected directly to the computer s LAN port rather than through a switch hub or router the connection must be made using a null modem crossover cable that reverses the transmit and receive pairs NOTE The KLP LAN input will not do this swap au
99. he 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 10 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 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 3 appears Minimum voltage is first the status display on both the UUT and the VXI main panel reads 0 Monitor DVM and click the button to increase and the to decrease the output voltage until the DVM reads as close as possible to minimum rated POSITIVE voltage or zero KLP 010715 4 4 2 KLP 010715 Must enter password to access Calibration PASSWORD Full Scale Calibration Connect to Sense Terminals Zero Calibration CURRENT Connect DVM to Calibration Shunt EE External Calibration ANALOG REF See Manual for Proper Setup OUTPUT ON OFF Use to Adjust Voltage to Zero SAVE ACIBRAT
100. he factory default settings listed in PAR 3 3 1 3 are restored upon exiting the Function menu KLP010715 KLP010715 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 ON The KLP requests an IP address from the DHCP server AUTOIP set to OFF 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 ON The obtains an IP address automatically Both DHCP and AUTO IP set to ON OFF 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 67 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
101. hichever is greater 1 LSB error Status reporting OVP OCP OTP output lead fault OLF fan failure power loss See PAR 1 5 4 and 1 5 9 1 Display resolution is determined by the number of significant digits shown relative to the decimal point Resolution is 10 where X is the number of digits to the right of the decimal point E g for display of 10 00V resolution is 102 or 0 01 or 10mV for display of 150 0A resolution is 1071 or 0 1 or 100mA KLP 010715 1 7 1 8 ooecolsooeseo FIGURE 1 3 KLP SERIES POWER SUPPLY MECHANICAL OUTLINE DRAWING SHEET 1 OF 2 KLP 010715 20 2 ALUM 20 EY 3 a LASTIC FEET IF_REINSTALLATION OF FEE EINSTALL FEET LONGER SCREW CREW 6 32 X 0 50 IN LOCKWASHER 6 0 018 IN FLAT WASHER IMENSIONS m THK THK FIGURE 1 3 KLP 010715 i e a 5 s3 fa 2 3 m 3ACKPLATE YELLO ARE Ib 64 04 RACK gt ALL H 45
102. ide and top vent openings be clear of obstruction for more efficient cooling Periodic cleaning of the power supply interior 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 3 PRELIMINARY OPERATIONAL CHECK A 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 RS 232 standard models LAN E Series models and ANALOG ports disconnected and ANALOG I O SETTINGS switch positions 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 see PAR 3 2 1 Each time the unit is turned on an internal self test is performed After the test has been successfully completed the unit displays the following The status display flashes MODL model for two seconds while the DC VOLTS
103. imited access to program ming and readback functions 3 2 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 Status and fault indications are provided by a 4 character alpha numeric display 3 2 1 TURNING THE POWER SUPPLY ON 1 To turn the power supply on set POWER ON OFF circuit breaker see Figure 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 CAUTION 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 After turning the unit off allow at least 5 seconds before turning the unit on again 2 When the power supply is turned on it performs a self test and displays the following infor mation Status display flashes KLP for 2 seconds while DC VOLTS and DC AMPERES dis plays show the maximum voltage and current capability of the unit Status display flashes LXI for 2 seconds if unit is a
104. ion 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 Fault recovery mode PAR 3 2 17 3 2 for all faults is fixed as PROTected mode 3 13 Calibration cannot be performed on master slave pair the individual units must be reconfigured back to independent mode PAR 3 2 14 4 and then calibrated as individual units Baud rate is automatically adjusted to highest supportable rate as part of master slave setup and cannot be adjusted by user LIST VOLT MODE TRANS and CURR MODE TRANS commands not supported for master slave pairs 3 2 14 4 RESTORING THE MASTER SLAVE CONFIGURATION TO STANDALONE OPERATION 3 2 15 STANDARD MODELS ONLY First configure the master then the slave for standalone operation 1 If the units are in setpoint mode see PAR 3 2 7 tap either the CURRENT or VOLTAGE controls to take the units 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 of the unit to be restored to standalone operation then rotate either the CURRENT or VOLTAGE control until the display reads M S 3 Tap the DC OUTPUT switch once The status display reads either SERI series or PARA parallel The DC VOLTS display shows
105. l control resolution Coarse rotary encoders 100 LSB step Fine 1 LSB step Panel mounted Depress control for Fine resolution Setting range 0 100 of rating KLP will automatically adjust limit to maintain 1200 W maximum Power up settings voltage defaults to zero current defaults to min value See Table 1 2 See PAR 3 2 10 3 for Last Settings Recall function Protection Limits Overvoltage 20 120 of Emax Overcurrent 72 120 of Imax Programmable accessed via front panel protect switch or SCPI command over digital bus 1 6 KLP 010715 TABLE 1 3 KLP SPECIFICATIONS Continued SPECIFICATION RATING DESCRIPTION CONDITION COMMENT PROGRAMMING CHARACTERISTICS ANALOG Analog remote control selection Activate with jumper at analog program ming connector Recognized during power up isolation Safety Extra Low Voltage SELV Analog Input Update Rate 2Hz 0 5 Second Applies to program ming by voltage resistance and read back specifications Analog input voltage digitized 12 bit resolution optically isolated then pro cessed by digital section Programming by voltage voltage 0 10V See PAR 4 3 3 to reduce Full Scale voltage current 0 10V Min programming limit see Table 1 2 See PAR 4 3 3 to reduce Full Scale voltage Programming by resistance voltage 0 10K ohms See PAR 4 3 3 to reduc
106. l scale voltage level of both VOLT R BACK and CURR R_BACK is 10V Similar to Vref and Cref the readback signal can be set independently to produce lower full scale outputs see PAR 3 2 17 4 Analog programming inputs are updated once every 0 5 seconds 2 Hz The default full scale programming and readback levels for both voltage and current are 10V Since Vref and Cref are converted to digital form then processed by the digital processing circuitry of KLP the same as any other programming input optimum 12 bit resolution is achieved when 10V programming input is equivalent to full scale It is important to note that the full scale programming input levels of Vref and Cref correspond to the active limit model setting of the power supply Thus if KLP 75 33 is programmed as a virtual model 50V and 20A applying the full scale pro gramming input to Vref and Cref will program the output for 50V and 20A respectively One ben efit of this feature is the preservation of full 12 bit programming resolution for limit model settings that are less than the model maximum ratings Vmax and Imax as long as 10V analog input is equivalent to full scale While the full scale voltage and readback levels can be reduced by the user to accommodate system requirements decreasing the full scale values will result in degraded programming resolution Refer to PAR 3 2 6 for enabling disabling the output using Remote Inhibit Refer to PAR 3 2 2 for instructions on exi
107. le output voltage 3 Rotate the CURRENT control to set the analog voltage value required to produce the full scale output current 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 CURRENT 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 12 to change the GPIB address KLP010715 3 3 1 2 3 3 1 3 KLP010715 RS 232 FACTORY DEFAULTS STANDARD MODELS ONLY The factory default RS 232 settings are as follows refer to PAR 3 2 13 to change the RS 232 baud rate standard models only Baudrate 38400 Parity None DataBits 8 StopBits 1 Echo OFF 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
108. ll time is reduced to approximately the same value as rise time even with external capacitance equal to 50 of the nominal internal output capacitance Table 1 1 illustrates the typical performance improvement that can be expected with an open circuit output TABLE 1 1 RAPID OUTPUT DISCHARGE CIRCUIT IMPROVEMENT IN OUTPUT RESPONSE TIME Nominal Internal Output Maximum Fall Time 1 5 x Co KLP Model No Capacitance Test Voltage 1 Co without RODC with Ropc KLP 10 150 2 28600 10V 600 msec 30 msec KLP 20 120 2 13000 20V 675 msec 30 msec KLP 36 60 7280 UF 36V 1460 msec 30 msec KLP 75 33 2 5600 uF 75V 3690 msec 25 msec KLP 150 16 2 2200 uF 150V 8940 msec 30 msec 300 8 2 550 300V 8720 msec 26 msec 600 4 2 118 uF 600V 6500 msec 33 msec 1 Values shown assume that an external capacitance of 1 2 value of is connected across the output terminals 2 Specifications listed apply to both standard and LXI models The RODC circuit will support continuous repetitive discharges from rated model voltage to zero at rate of up to 1 Hz for the 10V 20V and 36V models and up to 0 5 Hz for the 75V 150V 300V and 600V models Smaller discharge steps will be supported at higher continuous rates con tact Kepco Applications Engineering for additional details The RODC circuit employs protection against both peak energy and average power overload conditions by dis
109. lled via remote commands The user must temporarily exit remote digital control see PAR 3 2 2 and set the relay state using local controls see PAR 3 2 17 1 Item 2 refreshing the browser page will return the KLP to remote digital control KLP010715 3 27 Once the configuration has been altered by changing the applicable fields click SUBMIT to save the new configuration NO CHANGE to clear and reload the page without saving NO CHANGE is the same as browser refresh or reload NOTE When the SUBMIT button is clicked only one changed line is processed If multiple configuration changes are entered lines are processed in sequence from top to bot tom and multiple presses of SUBMIT are needed to process all the changes If a previ ously changed line is altered again it will be processed first AN ISO 9001 COMPANY 4 KEPCO KEPCO WEB SITE c ag MANUAL THE POWER SUPPLIER es E 1946 SINCE 1946 PRODUCT SUPPORT DRIVERS S MO KEPCO INSTRUMENT CONFIGURATION PAGE INSTRUMENT DESCRIPTION OPERATE INSTRUMENT CONFIGURE INSTRUMENT CONFIGURE LAN OVER VOLTAGE OVER CURRENT POWER LEAD FAULT OVER TEMPERATURE AC INPUT I ID INSTRUMENT HELP RELAY FAULTS 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 LXI 3
110. lug amp play driver or SCPI LIST commands see KLP Developer s Guide but can not be controlled from the web interface Click Add to List button to add a step the information displayed in the Voltage Current and Dwell boxes to the List steps shown to the right OUTPUT PROTECTION KLP010715 SAVE VIRTUAL RECALL MODEI Step Voltage Current Dwell FIGURE 3 11 LIST DIALOG BOX Clearing the List Once a LIST has been started the individual steps can not be changed the only option is to delete the LIST by pressing the Clear List button to start over In addition per forming any of the following operations will also clear the list changing overcurrent or overvolt age 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 0 5 to 655 36 sec onds to go from the start to the end of the ramp and a constant current for voltage ramp or voltage for current ramp for each step of the ramp Dwell times for each step will be calculated by the firmware total time number of steps and must be greater than 0 5 second Clicki
111. minimum Amperes see NOTE PAR 3 2 1 step 3 and Table 1 3 and output set to OFF RST also clears all LIST entries SAVE VIRTUAL RECALL RESET LIST MODEL OUTPUT PROTECTION FIGURE 3 10 RESET DIALOG BOX USING A LIST USER PROGRAMMED SEQUENCES E SERIES 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 anda 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 KLP010715 Create the List Click LIST to open the List dialog box Figure 3 11 Each location defines the Create the List Click LIST to open the List dialog box Figure 3 11 Each location defines the values for one step voltage and current and a dwell time duration between 0 5 and 655 36 seconds NOTES 1 Dwell times down to 0 01 second be obtained using SCPI commands via RS 232 or GPIB interfaces to generate the list see KLP Developer s Guide 2 The state of the internal relay can be stored using the VXI p
112. mmed 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 10 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 appropriate 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 17 1 the relay will toggle to provide a composite 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 11 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 int
113. n E Series model Status display flashes for 2 seconds if unit has the Rapid Output Discharge Cir cuit option installed 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 9 to define a virtual model KLP010715 31 NOTE 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 OCP refer to PAR 3 2 11 To eliminate the display of model virtual model and protection levels on power up refer to PAR 3 2 17 2 for quick boot For E Series models the LAN indicator blinks rapidly during initialization If an IP address is found it stays on without blinking If an IP address is not found the LAN indicator stays off If any fault is configured for AUTO recovery see PAR 3 2 17 3 2 the status display flashes AUTO for one second If remote inhibit is active see PAR 3 2 6 upon power up the status display flashes rINH for one second If an error occurs an error code is displayed in the status display see Table 3 1 TABLE 3 1 POWER UP BUILT IN TEST ERROR CODES ERROR CODE MEANING E310 System Error E313 Calibration Memory Error E315 Configuration Memory Error E341 Memory Error CRC E330 Sel
114. n 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 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 TB5 M and TB1 M to TB2 S see Figure 2 2 The power supply is shipped with two jumpers installed to obtain local sensing Remote sensing is established by first removing the factory installed local sensing jumpers between S4 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 010715 2 7 6 2 7 7 FO 500V AND V MODELS SE 1UF CERAMIC CAPACITOR 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
115. nal 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 2 8 DIGITAL CONNECTIONS The following paragraphs describe the connections required to use the GPIB RS 232 standard models only or LAN E Series models only ports for remote control of the unit 2 8 1 GPIB CONNECTIONS Your computer must have a GPIB interface card installed Connect the power supply to the com puter 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 12 to change the default GPIB address 6 from the front panel 2 8 2 RS 232 CONNECTIONS STANDARD 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 see Table 1 5 is necessary for nearly all applications with the exception of those in which the RXD and TXD line transposition is accomplished 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 pa
116. nce Calibration VXI plug amp play Demo a 4 9 4 4 4 Calibration Exit VXI plug amp play Demo 4 10 4 5 Changing the Calibration Password nenne nnne ennt enne nens 4 10 4 6 Restoring Prior Calibration enne nennen nne nns ennt testen street 4 11 KLP INSTALLATION OPERATION SUMMARY KLP SVC 020498 iii FIGURE LIST OF FIGURES TITLE PAGE KEP Series Power Supply ern recie e eere cede Ee vi KL P Operating REGIONS U u reri HE RED RUP REN HER 1 3 KLP Series Power Supply Mechanical Outline 1 8 KLP Series Front Panel Controls and Indicators I n nnne nennen eene 2 1 KLP Series Rear Panel Switch and Connectors nennen nenne nennen nennt nnn 2 3 Remote estatua PRECIUM EE 2 11 Series Connection using Remote Sensing sse nennen eene nnns 2 12 Parallel Connections Using Remote nennen 2 12 Function Switch Menu Str ct re rotes ame ege bete pe eens eds veered che dur ova crat ss 3 5 Fault Recovery Configuration neret 3 21 PS Find Sereen sio ena eee atte cute eee oe bu 3 26 Web Interf
117. nel See Figure 2 2 Refer to PAR 3 2 13 to change the default baud rate 38400 from the front panel 2 8 3 LAN CONNECTIONS E SERIES 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 15 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 4 Refer to the KLP Developer s Guide for the associated SCPI commands KLP HV 010715 2 15 2 16 Blank SECTION 3 OPERATION 3 1 GENERAL This section explains how to operate the KLP Power Supply Series KLP feature three modes of operation Local Mode see PAR 3 2 This is the default operating mode providing full access to all programming and readback functions via front panel displays controls and indica tors 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 standard models or a LAN port E Series models The digital ports are described in the KLP Developer s Guide The power supply auto matically goes into digital remote mode when commands are accepted via one of the digital ports Analog Remote Mode see PAR 3 4 This mode is selected via a jumper wire at the analog programming port prior to initial turn on and provides l
118. ng the Create Ramp button adds the steps to the list as the firmware calculates the intermediate volt age values and dwell times required to produce the desired ramp Ramps with many total steps 3 33 3 3 6 6 6 3 34 may take a few seconds to process the percentage complete is indicated below the Create Ramp button VIRTUAL OUTPUT PROTECTION MODEL v v 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 1 to 65536 0 is continuous looping set the output on click the On Off button if necessary and click the Execute List but ton While the list is running the title of the Execute List button changes to Stop Execution After the completion of the specified number of LIST cycles the output stabilizes at the condi tions in the last LIST step Stop the List If the Stop Execution button is clicked to stop the list the output stays on with the voltage and current at the list values prior to the stop command and the Stop Execution button reverts to Execute List If the Execute List button is clicked again the list restarts from the beginning If the list is stopped by clicking the RST button the output turns off and Output setpoints are reset to OV minimum curren
119. ng the VOLTAGE and CURRENT adjustment controls at the same time then see PAR 3 2 11 If the panel is locked and RS 232 or GPIB access is not possible turn the power supply off set ANALOG 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 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 3 38 KLP010715 4 1 4 2 KLP 010715 SECTION 4 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 addition values for full scale voltage and current in INVC registers AN
120. o enter the Recovery menu The status display shows PASS Enter the unit password see PAR 3 2 8 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 OVP Rotate either VOLTAGE or CURRENT control to cycle through OVP OCP OLF TEMP and PWR settings To exit tap the DC OUTPUT switch while the status display shows RTN 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 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 OUTPUT FULL SCALE CALIBRATION Enter UTIL menu see PAR 3 2 17 steps 1 through 3 and rotate either VOLTAGE or CUR RENT control until status display reads ANRB 1 The DC VOLTS display shows the full scale analog readback voltage value produced by the full scale output voltage as established by the limit model The DC AMPS display shows the full scale analog readback voltage value produced by the full scale output current as established by the limit model
121. ol and laboratory use Part 1 EN 61326 1 2006 Electrical equipment for measurement control and laboratory use EMC requirements Part 1 General requirements 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 I 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 2006 95 EC 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 Kupferber Full Name Date 2 NP OF SALES position 228 1728 DC COMP KLP 010715 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 2006 95 EC this power supply is considered a component product designed for built in applications Because it is incom plete in construction the end product enclosure must provide for compliance to any remaining electri cal safety requirements and act as a fire enclosure EN 61010 1 2001 6 Cl 7 8 and Cl 9
122. or 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 NOTE Proper cooling of the external precision shunt resistor ensures the accuracy of the cal ibration Astable 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 is recommended 4 1 4 3 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 the output terminals and the digital voltmeter will be connected to the sense terminals of the shunt resistor 1 2 Turn off power supply and disconnect load from output terminals at the rear of the unit Verify that power supply is configured for local error sensing PAR 2 7 5 1 For voltage calibration connect DVM to M S and S of terminal block at the rear of power supply For current calibration connect an appropriate shunt resistor see PAR 4 2 across the output terminals and connect DVM to shunt resistor terminals Configure the mating I O connector provided with unit
123. 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 Several 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 standard models only as described in PAR s 2 7 8 and 3 2 14 Users considering series configuration of KLP are urged to contact Kepco Application Engineering first to discuss application details before ordering KLP power supplies intended for Series operation PARALLEL 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
124. plied in conjunction with user selected line cord or discrete wiring as applicable See PAR 2 7 2 1 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 released 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 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 5 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 stabilize
125. rcuit Improvement in Output Response Time 1 2 Model Parameters ns l el els a eS oes ee ede lg 1 3 KLP SpeCiiicatiOms 2 P 1 4 Equipment Supplied isnie 5 1 Erde dere iawn rari che eee eves ve ene 1 12 ACCOSSOTLIOS ku yada e ce Ld ee ee he 1 13 Safety Symbols eth haa its Re Ae eA A Rel 1 13 Gontrols and InRdiCalorS as 2 ees ean he daba Ere te ees nea ties a a au 2 1 Analog V O Switch Functions tete cade eink 2 2 IEEE 488 Port Connector J4 Pin Assignments 00000000 nennen nennen nre 2 4 RS 232 Port Connector J3 Pin Assignments Standard Models Only 2 4 LAN Port Connector J7 Pin Assignments E Series Models Only 2 5 Control Input Terminal block Assignments 2 5 Analog I O Connector J2 Pin Assignments nennen nennen nennen 2 5 Input Current Service Rating and Conductor Sizes eene 2 8 Power up Built in Test Error Codes 2 3 2 Fault Recovery Configuration ED 3 20 Factory Default Unit Passwords II uu uuu 4 10 6960 9009000 90000 990000 09090000 900000 0009000 200000
126. 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 E Series models only See 3 2 15 and refer to KLP Developer s Guide How do operate the KLP using web pages via the LAN interface E Series models only See PAR 3 3 6 and refer to Developer s Guide Use the PSfind program available at www kepcopower com utility to locate KLP s functioning on the LAN High light 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 7 overvoltage overcurrent protection PAR 3 7 save recall PAR 3 3 6 6 3 reset PAR 3 3 6 6 4 list PAR 3 3 6 6 5 and virtual model PAR 3 3 6 6 6 Click CONFIGURE LAN to view LAN addresses PAR 3 3 6 4 Click ID INSTRUMENT to flash physical LAN indicator on KLP
127. rts rated load power 29 over mains voltage range of 180 265V a c e 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 10 ft Connect RS 232 port with controlling computer DB9F to DB9F 10 feet 118 1176 long Null Modem Cable 1 ft Used for Master Slave connections Connects RS 232 ports of stacked 118 1220 power supplies DB9F to DB9F one foot 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 washers See Figure 1 3 sheet 1 Detail A for requirements TABLE 1 6 SAFETY SYMBOLS SYMBOL MEANING CAUTION RISK OF ELECTRIC SHOCK AN A CAUTION REFER TO REFERENCED PROCEDURE WARNING CAUTION KLP 010715 INDICATES THE POSSIBILITY OF BODILY INJURY OR DEATH INDICATES THE POSSIBILITY OF EQUIPMENT DAMAGE 1 13 1 14
128. s Zero Calibration Connect DVM to Calibration Shunt m External Calibration ANALG See Manual for Proper Setup OUTPUT ON OFF Use to Adjust Current to Zero _ J L SAVE CALIBRATION Instruction FIGURE 4 4 CURRENT CALIBRATION WINDOW 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 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 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 Click the Press to ACCEPT button to accept the value the status display now reads OUTC At the ANALOG I O PORT J2 connect the DVM to CURR RBACK and GND as shown Figure 4 1 Click the button to increase and the to decrease the
129. s 1 output voltage and current 2 CV or CC if the unit is in constant 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 operation via the web is disabled When the fault is corrected click OK to close the alert window and resume operation via the web NOTE If the OPERATE INSTRUMENT password has been set see PAR 3 3 6 5 you will be prompted to enter the password before the OPERATE INSTRUMENT page settings can be changed 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 Contro 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 clicking the browser s BACK button will cause all fields to revert to their previous values CHANGING THE OUTPUT E SERIE
130. s 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 then rotate either the VOLTAGE or CURRENT control until the status display reads UTIL KLP010715 3 2 5 KLP010715 3 Tap DC OUTPUT switch then rotate either the VOLTAGE or CURRENT control until status display reads ADJ The DC VOLTS display shows C F when normal rotation produces coarse adjustment when normal rotation produces fine adjustment FUNCTION VIRT PAR 3 2 9 t CNFG PAR 3 2 16 VERS I MODL Options RTN L ADDR PAR 3 2 12 L BAUD PAR 3 2 13 t M S PAR 3 2 14 SERI 1 2 20F2 10F2 20F2 LAN PAR 8 2 15 LRST F DHCP F AUTO t MAC1 MAC2 MAC3 IP1 IP2 t MSK1 MSK2 t GTE1 GTE2 t DNS1 DNS2 RTN L UTIL PAR 3 2 17 EXIT QkBt PAR 3 2 17 2 ADJ PAR 3 2 4 PASSWORD REQUIRED E SERIES MODELS ONLY STANDARD MODELS ONLY ANRB PAR 3 2 17 4 L ANPR PAR 3 2 17 5 LBT L CAL PAR 4 1 RTN FIGURE 3 1 MAN LIST RTN I SYST PAR 3 2 17 3 rINH I RCOV RTN FUNCTION SWITCH MENU STRUCTURE RELY PAR 3 2 17 1 4 FLT NORM V gt C C gt V OLF TEMP PWR RTN 4
131. s are recommended contact Kepco Applications Engineering for details c For local error sensing the power outputs should be daisy chained to the power supply out put terminals serving as the regulation point and from there to a connection run to the load For remote sensing load connections may be run directly from each power supply s output terminals to the error sense regulation point or daisy chained as for remote sensing connec tions In each case the connections from the power supply outputs to the load must be prop erly sized for maximum current and configured to minimize inductance and noise either through twisted wires power coaxial cabling or parallel or laminated bus bars For guidance on wire sizing see the nomograph at www kepcopower com nomomax htm KLP HV 010715 2 13 2 7 8 2 7 9 d The output voltage setting of all power supplies must be adjusted to the same voltage as closely as possible and in any case within a 1 error band to ensure adequate range of the load sharing circuit In addition the output current setting should be identical for all power supplies and high enough to support all load requirements including both static and transient loading conditions MASTER SLAVE CONFIGURATIONS STANDARD 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 sl
132. s 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 3 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 0 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 full scale voltage program ming to a lower value see PAR 3 2 17 4 NOTES TPUT CURRENT SRAMS OUTPUT VOLTAGE T AY BE SET TO ON TO LOCK LOCAL TROL _ TWIST TO ANALC T LTAGE AMMING RENT AMMIN TO PI 4 TWIST L AL TROL LOCI FIGURE 3 15 ANALOG PROGRAMMING OF OUTPUT VOLTAGE OR CURRENT USING VOLTAGE KLP010715 3 37 3 4 3 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 RS 232 port or via local mode from the front panel enter local mode by pressi
133. sec Fall Time Voltage no load 10V 475 msec 20V 525 msec Emax 0 load open circuit 36V 825 msec 75V 2820 msec 150V 4850 msec 300V 4400 msec 600V 3150 msec NOTE For improved performance see RODC option PAR 1 3 1 Voltage rated load 10V 20V 36V 30 msec 75V 40 msec 150V 50 msec 300V 60 msec 600V 75 msec Emax 0 rated load resistive Current 10V 20V 36V 30 msec 75V 40 msec 150V 50 msec 300V 60 msec 600V 75 msec Imax 0 rated load resistive Overvoltage protection voltage 20 120 of Emax Overcurrent protection current 72 120 of Imax Programmable see PAR 3 2 11 Selectable Recovery Mode see PAR 3 2 17 3 2 Output Load wire protection Shutdown Selectable Recovery Mode see PAR 3 2 17 3 2 Parallel operation Active load sharing within 5 of lo rated Up to 5 units maximum GENERAL ENVIRONMENTAL SPECIFICATIONS Temperature operating 10 to 50 C Rated load 50 C to 70 C Derate current 3 per C from 50 C to 70 storage 40 C to 85 C Overtemperature protection Shutdown See PAR 3 2 17 3 2 Cooling 3 internal d c fans exhaust to the rear Humidity 0 to 95 RH non condensing Shock 20g 11msec 50 half sine non operating Vibration 5 10 Hz 10mm double amplitude 3 axes non operating 10 55 Hz 20 3 axes non operating Altitude sea level to 10000 ft 0 3 000 ft 100 linear derating
134. 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 E Series models only see PAR 3 3 6 6 3 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 E Series models only see PAR 3 3 6 6 5 External Triggering If external trigger mode is selected grounding the EXT TRG line J2 pin 14 to pin 9 11 18 or 15 allows SCPI commands to change the output of the power supply Refer to the KLP Developer s 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 www kepcopower com drivers Exam ples 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 www kepcopower com drivers includes a LabView G demonstration progr
135. t except that if last setting recall PAR 3 2 10 3 is enabled the Setpoint values are from the last setting SETTING VIRTUAL MODEL E SERIES MODELS ONLY Refer to PAR 3 2 9 for details about what Virtual Model means for KLP and how the virtual model affects other parameters Click VIRTUAL MODEL Figure 3 7 to open the Virtual Model dialog box Figure 3 13 The current virtual model settings gray are displayed To change the settings enter the Unit Password see PAR 3 2 8 and press ENTER key on the computer key board After the password is accepted the Unit Password field is inaccessible gray and the Maximum Voltage and Maximum Current fields can be changed Enter the desired maximum voltage or maximum current 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 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 2 If DIP switch position 3 is enabled see Table 2 2 and PAR 3 2 10 3 stored setpoints for voltage
136. t Kepco Factory values are established during calibration and are copied to all three locations Should a unit be returned to Kepco for repair or retest the recalibration accompanying this testing will overwrite the contents of all three locations with the latest Factory values Should the need arise it is possible to replace the Working calibration values with the Factory calibration values via one of the digital programming ports using the SCPI command string CAL DMP source CAL COPY destination where source and destination refer to the loca tion of calibration values desired FACT for factory and WORK for working The calibration val ues are protected by the calibration password For example to restore the Factory calibration values as the Working values the user would send the following commands presented in short form with xxxx representing the applicable calibration password SYST PASS CEN xxxx CAL DMP FACT CAL COPY WORK SYST PASS CDIS xxxx The Utilities section of the KLP VXI PLUG amp PLAY driver may be used both to archive and restore calibration files The driver is available for download at http www kepcopower com drivers index htm Consult the KLP Developer s Guide for instructions on implementing these functions 4 11 4 12 Blank 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
137. t 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 Unzip the files and doubleclick on setup exe to install the driver The Kepco klp folder will be added to the Start Programs folder Doubleclick KLPCTRL exe to run the program and refer to the KLP Developer s Guide in the 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 to 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 5 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
138. t 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 control 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 Once the relay turns on in gt 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 To select MAN tap the DC OUTPUT switch to save selection The DC VOLTS display flashes the present relay state ON or OFF To change the state of the relay rotate either VOLTAGE or CURRENT control until the desired relay state is displayed then tap the DC OUTPUT switch to immediately set the relay to the selected state and return to the RELY menu 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 switch to exit FUNCTION control NOTE 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 17 steps 1 through 3 and rota
139. t setpoints using an external resistance Set analog I O DIP switch positions 1 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 17 4 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 voltage and current proportionally between minimum and maximum virtual model limits Programming inputs are only active when analog port is enabled See PAR 3 4 1 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 6 and CURR RBACK pin 7 of analog I O 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 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 4 enable
140. te 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 10 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 KLP010715 3 2 17 3 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 CURRENT 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 see PAR 3 2 8 is required to change these functions 1 Enter UTIL menu see PAR 3 2 17 steps 1 through 3 and rotate either VOLTAGE or CUR RENT control until status display reads SYST 2 Tap the DC OUTPUT switch to enter the System Configuration Functions menu 3 2 17 3 1 REMOTE INHIBIT POLARITY The Remote Inhibit signal REM INH is applied to analog
141. ter an overtemperature fault the output is enabled at the last actual settings for voltage and current as opposed to setpoints see PAR 3 2 10 3 for Last Setting Recall 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 Setpoint 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 WARNING When AUTOmatic recovery is selected upon removal of the fault condi tion the output recovers to the conditions programmed voltage current levels and output enabled disabled that existed when the fault was detected For this reason AUTOmatic recovery mode is best suited to applications where it is anticipated that the output is always enabled For safety reasons when servicing circuits powered by the output always switch the KLP front panel circuit breaker OFF or activate Remote Inhibit see PAR 3 2 6 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 presented in Table 3 2 TABLE 3 2 FAULT RECOVERY CONFIGURATION
142. terminate to the same physical point whether the feedback is configured as local or remote sensing For local error sensing select one power supply as output regulation point and leave the local error sense jumpers in place Remove the local error sense jumpers from all other units and use tightly twisted wire triplets to daisy chain the S CS and S terminals to the first power supply For remote error sensing the same procedure is followed as for local sensing except that the local error sense jumpers are removed from the first power supply as well and a tightly twisted wire pair is connected from the S and S terminals of the first power supply to the load regulation point Install the HF bypass network indicated in Figure 2 5 across the error sense termination points b The power supplies should be located as near to each other as possible preferably in verti cally adjacent stacked positions Power terminations must be bussed together using ade quately sized interconnecting conductors both between the paralleled outputs and from the power supply assembly to the load Current rating of the conductors must accommodate the total maximum current contribution based on the programmed current regulation points of all power supplies For the low voltage models 10V 20V 36V Kepco advises the use of bus bar conductors where possible for higher voltage models 75V 600V appropriately sized twisted conductor pairs terminated with wire ferrule
143. the system s single point ground a Analog Programming Enable ANALOG_CTRL Connect 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 Twist the voltage programming signal V_Ref pin 3 Current Programming signal C_Ref pin 1 and ground 9 11 13 or 15 Configure Analog switch positions 1 and 2 to use either voltage or resistance as the programming source Factory default for full scale output is 10V or 10 Kohms see par 4 3 3 to set lower values for full scale output Voltage and Current Readback VOLT RBACK and CURR RBACK Twist the voltage readback signal VOLT RBACK 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 17 3 1 to configure active high or low and PAR 3 2 6 to enable disable the output using remote inhibit KLP HV 010715 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 17 1 to configure internal relay f Exter
144. ting Analog Remote mode The remaining functions present at the Analog I O Port connector including the fault relay RELAY_NO RELAY_NC RELAY_COM and external trigger EXT_TRG remain active for all operating modes 3 35 3 4 1 NOTE 3 36 PROGRAMMING WITH EXTERNAL RESISTANCE Figure 3 14 is a simplified diagrams of the KLP showing the switch configuration and external connections required for analog programming using an external resistance 1 Virtual model PAR 3 2 9 and Overvoltage and Overcurrent settings PAR 3 4 3 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 I O DIP switch Figure 2 2 as follows SW1 ON Program output voltage via resistance SW2 ON Program output current via resistance SWS3 either OFF or ON disabled when in remote analog programming mode see Table 2 2 SWA 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 4 TPUT SRENT TPUT VOLTAGE Ocal SET TO LOCK LOCAL CONTROL TWIST FF T 10KOH 1238458 ANALOC T s SA EX d as FIGURE 3 14 ANALOG PROGRAMMING OF OUTPUT VOLTAGE OR CURRENT USING
145. to your computer Extract psfind exe from the zip file to a loca tion of your choice then double click psfind exe to run the application A separate window opens as shown on Figure 3 3 3 25 3 3 6 3 3 26 NetBurner IPSetup V2 0 Select a Unit ca 5 70 00 03 4 05 53 65 DHCP d at 192 168 2 3 running KLP LXI 1 4 Close Launch Webpage FIGURE 3 3 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 If you do not see your device in the Select a Unit win dow or if the icon to the left of the selected instrument is red not green make sure it is turned on and connected to the network then click the Search Again button LAUNCH WEB INTERFACE E SERIES MODELS ONLY After running the PSfind utility and selecting the desired unit see PAR 3 3 6 2 click the Launch Webpage button to open the KLP Instrument HOME PAGE UNIT DESCRIPTION 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 Upon initial display of the web page it is good practice to click the browser Refresh Reload but ton once to ensure that the power supply information displayed is
146. tomatically If the LAN indicator is on without blinking but communication problems persist The cause may be a fixed address on the PC that is incompatible with the AUTOIP range 169 254 xxx xxx of the KLP Refer to PAR 3 2 15 to change IP1 and IP2 and assign a fixed IP address to the KLP in which the first three groups are identical to those of your PC s IP address Refer to PAR 3 3 6 3 for browser types and versions supported and settings required There can be latent delays in establishing communication between various devices on the LAN network hub especially when the devices are powered on asynchronously As a result a steady LAN indication may begin blinking again when another device or the host computer itself is subsequently powered on While this is a normal occurrence that typically resolves itself within a few seconds LAN communication is interrupted during that time Should this occur first activate all devices connected to the hub and wait until the KLP LAN indicator is on steadily for several seconds before attempting to communi cate with the KLP FINDING KEPCO POWER SUPPLIES ON THE LAN E SERIES MODELS ONLY The PSfind utility can be downloaded from the Kepco web site at www kepcopower com driv ers drivers dl3 htm klp This utility finds all operational Kepco power supplies connected to the LAN and then shows the MAC and IP addresses of the models found To run the utility from your PC download the psfind zip file
147. ttings can still be viewed while password protected The CONFIGURE INSTRUMENT password restricts the ability to change some INSTRUMENT configuration parameters shown on the CONFIGURE INSTRUMENT page The CONFIGURE LAN password restricts the ability to change the LAN configuration parameters shown on the CONFIGURE LAN page Figure 3 6 AN ISO 9001 COMPANY WEB mangay 0 7 pRODUCT SUPPORT i THE POWER SUPPLIER SINCE 1946 E ia KEPCO LAN CONFIGURATION PAGE INSTRUMENT HOST NAME DHCP DESCRIPTION DESCRIPTION OPERATE IP ADDRESS ENABLED INSTRUMENT SUBNET MASK 255 255 310 M AUTOIP ENABLED CONFIGURE DEFAULT GATEWAY MM PING ENABLED INSTRUMENT DNS SERVER LAN CHANGE P ORD INSTRUMENT OPERATE INSTRUMENT TET CONFIGURE INSTRUMENT LXI KLP010715 CONFIGURE LAN No Change Submit 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 FIGURE 3 6 WEB INTERFACE CONFIGURE LAN PAGE The factory default is that passwords are not needed to access password protected areas and none of the three passwords are 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 SUB MIT Subsequent changes r
148. uctor 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 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 010715 C D BLANK TABLE OF CONTENTS SECTION PAGE SECTION 1 INTRODUCTION 1 1 SCOPE OF Manual 2 1 1 1 2 General Description a RII Aa tee Ga S 1 1 1 3 exe ERR e RUD n CU 1 2 1 3 1 Rapid Output Discharge
149. up to date and not prior infor mation recalled from the browser cache 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 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 KLP010715 AN ISO 9001 COMPANY KEPCO KEPCO WEBSITE ao n ODUCT SUPPORT 4 l E THE POWER SUPPLIER 7 66 doo tivum SINCE 19 YI Cm I lt KEPCO INSTRUMENT HOME PAGE INSTRUMENT DESCRIPTION OPERATE INSTRUMENT CONFIGURE MANUFACTURER KEPCO INSTRUMENT CONFIGURE DESCRIPTION KLP 1200 Watt LAN SERIAL NUMBER A100345 ID CALIBRATI
150. use momentary unpredictability at the output until analog control is reasserted If unit calibration is initiated via one of the digital ports the unit will immediately exit analog remote control and enter digital remote control Resumption of remote analog control requires that source power to the unit be cycled 3 3 3 2 2 1 3 2 3 3 2 4 3 4 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 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 1 analog Remote with local lockout front panel controls locked analog mode enabled dRw1 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 DIP switch position 5 to OFF and then power up again send the following SCPI command via GPIB RS 232 or LAN port SYST KLOC OFF NOTE If the front panel is unlocked by SCPI command the unit will be set to Remote with Local Lockout when
151. utput For setpoint adjustment refer to PAR 3 2 10 2 To enable disable the output using Remote inhibit refer to PAR 3 2 6 See PAR 3 2 17 3 2 for details about automatic enabling of the out put after recovering from a fault ENABLING DISABLING THE OUTPUT USING REMOTE INHIBIT The Remote Inhibit signal applied to analog I O port pin 8 see PAR 2 7 9 can be used as a remote inhibit or emergency shutdown when in either Local or Digital modes One use of this signal in either Local or Digital mode is as a safety interlock to prevent a potentially hazard ous output during system servicing When in Analog Control mode this signal can be used for remote on off control of the output 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 17 3 1 If r INH is set to be active for low an open condition at pin 8 causes the output state to default to ON If zINH 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 17 2 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 LOCAL CONTROL MODE For Local Control mode the Remote Inhibit signal acts as a true remote inhibit If Remote Inhibit is asserted the output will be disabled even if OUTPUT ON Switch is pr
152. utton switch Rotate to set output current control PAR 3 2 10 and overcurrent limit PAR 3 2 11 Also used to enter SET mode of current program momentary switch ming PAR 3 2 10 2 change GPIB address PAR 3 2 12 change RS 232 baud rate PAR 3 2 13 enter Virtual Model password PAR 3 2 9 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 5 Also used to accept front panel inputs PROTECT momentary switch Used to set overvoltage and overcurrent PAR 3 2 11 protection limits NOTE Requires a thin tool e g end of paper clip to press switch LAN Indicator E Series models only Green LED indicates when LAN interface is installed and valid IP address found Can be intentionally blinked using the web based interface to identify which unit is being accessed in a multi unit environ ment During initialization the LED blinks rapidly while attempting to locate a valid IP address If suc cessful LED stays on without blinking LED not lit indicates failure FUNCTION momentary switch Used to set user determined limits on voltage and current virtual model PAR 3 2 9 view KLP con figuration Firmware Version
153. will not change Proceed to PAR 4 4 4 to exit calibration KLP 010715 4 9 4 4 4 4 5 4 10 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 Click the SAVE CALIBRATION button the calibration window to save this calibration The Calibration window automatically closes and the Virtual Model window automatically opens The virtual model settings can be changed after the password has been properly entered 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 follows TABLE 4 1 FACTORY DEFAULT UNIT PASSWORDS MODEL UNIT STANDARD OR E SERIES PASSWORD KLP 10 150 1015 KLP 20 120 2012 KLP 36 60 3660 KLP 75 33 7533 KLP 150 16 1516 KLP 300 8 300
154. witch once The DC VOLTS and DC AMPERES start blinking 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 3 12 KLP010715 3 2 14 3 KLP010715 Specify the total number of units in the configuration to 2 by rotating the CURRENT con trol 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 241 hardware error then DC VOLTS status display 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 OPERATING THE MASTER SLAVE CONFIGURATION STANDARD MODELS ONLY NOTE When starting a master slave pair the slave unit must be energized before the master unit Once the pair is energized the master unit searches for the corresponding slave unit Until com munication is established the status displays of the two units will cycle as follows status display will flash 241 hardware error then DC VO
155. wn 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 Click on the Voltage or Current field and enter the new value Pressing Enter or Tab key on computer keyboard advances the cursor to the next field while automati cally filling in the corresponding Overvoltage or Overcurrent field with the larger of either the minimum value or 12096 of the entered value Using the mouse to move the cursor to the next field prevents the Overvoltage or Overcurrent field from filling in automatically and allows the user to set custom values for Overvoltage or Overcurrent Once the desired values for Volt age Current Overvoltage Protection and Overcurrent protection are entered 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 virtual 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 RESETTING THE UNIT RST E SERIES MODELS ONLY Click RESET to open the Reset dialog box then click RST button to reset power supply to the power on default state setpoints to zero Volts and

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