KEPCO BOP-MG 1KW Operator'S Manual Download Page 2

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Summary of Contents for BOP-MG 1KW

Page 1: ...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 e...

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Page 3: ...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 conjunct...

Page 4: ...d within a suitably wired equipment rack utilizing a three wire grounded mains con nection See wiring section of this manual for complete electrical wiring instructions EN61010 1 Cl 6 5 4 and Cl 6 10...

Page 5: ...nection on the product s rear panel To reconfigure the product input for other nominal mains voltages as listed herein the product must be modified by a trained service technician The PROTECTIVE EARTH...

Page 6: ...ardous do not lick or swallow Wash skin and clothes immediately and thor oughly upon exposure CAUTION If this power supply is used in OEM equipment the OEM equipment manufacturer is responsible for at...

Page 7: ...on the BOP output terminals may be dangerous Therefore for battery and con stant voltage type active electronic loads it is recommended that two properly rated external switches be installed for safe...

Page 8: ...ws a ground loop current to flow within the BOP which will compromise accu racy Catastrophic damage to the BOP will result if the connection be tween BOP COM and the load terminal connected to earth g...

Page 9: ...s to appear at the output which may damage a connected load Switch is recessed to prevent inad vertent activation 3 45 CAUTION The commands listed above with will generate a 440 Missing Que ry error i...

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Page 11: ...8 2 5 Wiring Instructions 2 8 2 5 1 Safety Grounding 2 8 2 5 2 Source Power Connections 2 8 2 5 3 D C Output Grounding 2 8 2 5 3 1 Earth Ground Configuration 2 9 2 5 3 2 Grounding Network Configurati...

Page 12: ...rrent Main Channel Software Limits 3 17 3 3 4 2 Changing Maximum Minimum Protection Software controlled Limits 3 18 3 3 4 3 External Limits 3 19 3 3 5 Enabling Disabling DC Output Power 3 19 3 3 6 Det...

Page 13: ...or On 3 48 3 5 3 2 RS 232 Serial Port Setup 3 48 3 5 3 2 1 Select Baud Rate 3 48 3 5 3 2 2 Configure XON XOFF Protocol 3 48 3 5 3 2 3 Configure Prompt Mode 3 48 3 5 3 3 Establish communication languag...

Page 14: ...nterface 4 4 4 3 1 Calibration Procedure using SCPI Commands 4 5 4 4 Calibration Using Front Panel Keypad in Local Mode 4 10 4 4 1 Understanding the Calibration Process 4 10 4 4 2 Calibration Procedur...

Page 15: ...EVel PROTect MODE Query B 11 B 33 SOURce CURRent LEVel PROTect NeGative Command B 11 B 34 SOURce CURRent LEVel PROTect NeGative Query B 11 B 35 SOURce CURRent LEVel PROTect POSitive Command B 11 B 36...

Page 16: ...l LIMit NEGative Command B 26 B 92 SOURce VOLTage LEVel LIMit NEGative Query B 26 B 93 SOURce VOLTage LEVel LIMit positive Command B 26 B 94 SOURce VOLTage LEVel LIMit positive Query B 26 B 95 SOURce...

Page 17: ...OMMunication SERial PACE Query B 34 B 131 SYSTem COMMunication SERial PROMpt CommanD B 34 B 132 SYSTem COMMunication SERial PROMpt Query B 34 B 133 SYSTem ERRor Query B 34 B 134 SYSTem ERRor CODE Quer...

Page 18: ...utdown Using Internal Power Standalone Units 3 39 3 14 Remote Shutdown Using Internal Power Multiple Units 3 39 3 15 Remote Standby Standalone or Multiple Units 3 39 3 16 Programming Example to Verify...

Page 19: ...0 3 7 Examples Showing How Power up Settings Function 3 24 3 8 Save recall menu 3 25 3 9 Sine Triangle and Ramp Waveform Frequency vs Points 3 29 3 10 Square Waveform Frequency vs Points 3 29 3 11 Wav...

Page 20: ...x BOP 1K 111315 FIGURE 1 1 HIGH POWER BOP SERIES POWER SUPPLY...

Page 21: ...put voltage and current Additionally these BOP models can be remotely con trolled by an analog 10V input for the main channel voltage or current and a 1 to 10V input for the limit channels BOP models...

Page 22: ...onics EN61000 3 3 fluctuation flicker Conducted EN55011 CISPR11 0 15 to 30 MHz Radiated EN55011 CISPR11 30 to 1000 MHz Leakage current 3 5 mA 230V a c 47 63 Hz Insulation coordination Input Installati...

Page 23: ...d current time effect drift 0 02 of rating 0 5 through 8 hours temperature effect 0 02 deg C of rating 0 to 50 deg C ripple and noise 2 EOmax p p 0 2 EOmax rms Full scale nominal resistive load includ...

Page 24: ...Internal overvoltage undervoltage overcurrent heat sink overtemperature fan inoperative Input circuit breaker overcurrent Trips circuit breaker to shut off unit Small signal Bandwidth voltage channel...

Page 25: ...DBY default External Trigger Shutdown Isolated input Logic 0 or short circuit causes the output to go to STANDBY off disabled latched status Pulse width 100 S min Action delay 200 mS max Restore opera...

Page 26: ...he waveform is exe cuted indefinitely until stop com mand is sent Local Factory default when the count is complete or if execution is stopped using the output of the unit is set to OFF Standby indicat...

Page 27: ...2 and B 3 Note Dwell time list must match balance the amplitude list Waveform graphics displayed on LCD for both Local and Remote operation Local The LCD represents the programming waveform graph of t...

Page 28: ...uare Ramp Current Amperes p p 0 to 2 x IONOM Sine Triangle Square Ramp Protection Limit Channel Current bipolar Amperes 0 to IONOM set once for all segments Voltage bipolar Volts 0 to EONOM Offset Vol...

Page 29: ...ters Saved or Recalled All parameters saved for power up Mode of operation Voltage Current or External For External the operating mode is deter mined by signal at I O Port no signal selects voltage mo...

Page 30: ...s Mode Voltage default or Current Main Channel Reference Type Internal default External or External Reference Level Gain Mode Protection Limit Channel Reference type Internal default External or Lesse...

Page 31: ...kel plated copper bus bars With 1 4 20 threaded standoff Sensing Output Terminal Block 7 pin terminal block Default 3 links installed for local sensing and ground network connected Analog I O control...

Page 32: ...Power Supply can be remotely controlled directly via either the IEEE 488 2 GPIB bus see PARs 3 5 and 3 5 4 or RS232C see PAR 3 5 6 interface using SCPI commands see and Appendix A and B Most features...

Page 33: ...DRAWING SHEET 1 OF 2 20 000 508 00 21 439 544 54 22 800 579 11 21 564 547 73 22 000 558 79 23 863 606 12 18 235 463 16 18 985 482 21 1 470 37 34 1 738 44 15 5 218 132 54 2 215 56 27 OBROUND 0 25x0 45...

Page 34: ...1 14 BOP HIPWR 111315 FIGURE 1 2 BOP POWER SUPPLY OUTLINE DRAWING SHEET 2 OF 2 SLIDES TRAVEL DISTANCE 23 000 584 2 22 000 558 79 SEE NOTE 6 REAR VIEW REMOVE FEET FOR RACK MOUNTING...

Page 35: ...s the operating mode positive and negative protection levels and a count the number of times the waveform is to be repeated Each waveform consists of up to 10 segments each segment is assigned one of...

Page 36: ...al references and protection limits Refer to PAR 3 3 4 1 1 6 8 PARALLEL AND SERIES CONFIGURATIONS Identical BOP units may be configured in series parallel or parallel series 2 X 2 or 3 X 2 con figurat...

Page 37: ...ltiple identical power supplies con nected in two parallel branches each comprised of 2 or 3 units connected in series Cables required to connect two parallel branches of series con nected power suppl...

Page 38: ...ng connector for PAR SER PROTECT PORT IN and OUT connectors 142 0535 Amphenol 5 557961 2 Slides Allows easy withdrawal of unit from rack see Figure 1 2 Model CS 04 includes slides brackets all mountin...

Page 39: ...BOP HIPWR 111315 1 19 1 20 Blank FIGURE 1 3 BOP OUTPUT CHARACTERISTICS...

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Page 41: ...npacking inspect for shipping damage before attempting to operate Perform the preliminary operational check as outlined in PAR 2 3 If any indication of damage is found file an immediate claim with the...

Page 42: ...tion Pin 2 Neutral or Line 2 without Neutral connection Pin 3 Ground Protective conductor terminal 9 Monitor and Sensing terminal block terminal block A7A1TB1 Terminal block provides external connecti...

Page 43: ...the unit functionality The unit remains powered but no output is available and the red front panel FAULT LED will go ON Response is relatively fast 100 S max To resume normal operation it is necessary...

Page 44: ...on TABLE 2 7 PARALLEL SERIAL CONTROL IN PORT PIN ASSIGNMENTS CONNECTOR PIN SIGNAL NAME FUNCTION PARALLEL SERIAL CONTROL IN PORT A2A5J3 1 SGND Local signal ground 2 No connection 3 S_IN_PARALLEL Input...

Page 45: ...llel or series combination are connected in series 3 SD_RETURN Completes return connection for the protection circuit which receives energy from the master unit 4 No connection 5 No connection 6 No co...

Page 46: ...corresponds to zero to full scale current 4 SGND Signal Ground used for IOUT_DMM pin 3 return 5 I_LIM_EXT Analog input signal referenced to pin 12 0V to 10V sets the negative current limit between zer...

Page 47: ...the power supply e g enter 36 for a model BOP 36 28MG and press ENTER If STANDBY indicator is lit press STANDBY key 5 Verify DVM voltage reading agrees with programmed voltage within 0 03 of rated ma...

Page 48: ...er source when such grounding is an intrinsic part of the safety aspect of the instrument The ground terminal of the source power connector Figure 2 1 is connected to the chassis and the instructions...

Page 49: ...specific case of an internally grounded load the d c ground point is automat ically established at the load The output and common terminals of BOP power supplies are d c isolated floating from the ch...

Page 50: ...the internal circuits of the BOP as well as through the proper return path With two earth ground points as shown if the return connection from the load to BOP COM is missing all the output current fl...

Page 51: ...ve 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 minimu...

Page 52: ...ted floating load do not install the ground connection see Figure 2 3 Note 2 2 5 7 LOAD CONNECTION USING REMOTE SENSING Figure 2 4 shows a typical configuration using remote sensing and a grounded loa...

Page 53: ...ther local or remote sensing refer to PAR 2 5 If units are to be connected in series or parallel refer to PAR 2 8 Then refer to PAR 3 2 for power supply basics and local operation The factory default...

Page 54: ...GPIB Port SCPI programming is described in PAR 3 6 Appendices A and B provide syntax for SCPI com mon and subsystem commands and queries implemented in this unit All the features described for Local...

Page 55: ...actory calibrated If not refer to Section 4 to calibrate the individual units prior to connecting them in parallel or series Using calibrated units ensures that the multiple unit configuration is cali...

Page 56: ...2 16 BOP HIPWR 111315 FIGURE 2 5 PARALLEL CONFIGURATION LOCAL SENSING TYPICAL...

Page 57: ...BOP HIPWR 111315 2 17 FIGURE 2 6 PARALLEL CONFIGURATION REMOTE SENSING TYPICAL...

Page 58: ...BOP HIPWR 111315 FIGURE 2 7 SERIES CONFIGURATION LOCAL SENSING TYPICAL GND NET OUT MON N C OUT S COM S COM MON GND GND NET OUT MON N C OUT S COM S COM MON GND GND NET OUT MON N C OUT S COM S COM MON...

Page 59: ...HIPWR 111315 2 19 FIGURE 2 8 SERIES CONFIGURATION REMOTE SENSING TYPICAL GND NET OUT MON N C OUT S COM S COM MON GND GND NET OUT MON N C OUT S COM S COM MON GND GND NET OUT MON N C OUT S COM S COM MON...

Page 60: ...l all slaves are powered up Normal power up of a unit causes the transistor connecting PAR SER PROT IN PORT pin 2 and PAR SER PROT OUT PORT pin 2 to conduct The transistors of all units are connected...

Page 61: ...ncrease output current see NOTE below SERIES Unit to be configured for series operation opens UNIT TYPE and CONNECTION TYPE options shown below Used when units are connected in series increase output...

Page 62: ...OWERING UP SERIES PARALLEL COMBINATIONS After the units have been connected see PAR 2 8 1 and 2 8 2 and configured see PAR 2 8 4 turn on power to all units NOTE There is no requirement for powering th...

Page 63: ...following messages are briefly displayed in sequence at the bottom of the power up master module screen Figure 2 10 Powering Up Slaves Enabling Slave Outputs Enabling External Protections and Checking...

Page 64: ...e are affected NOTE If desired these limits may be lowered as described for a standalone unit see PAR 3 3 4 c Press to save the settings upon power up then to exit the General Setup menu and return to...

Page 65: ...is in STANDBY depress STANDBY key on the master to apply power to the output terminals To power down the combination first press STANDBY key on the master to disable the output then turn off the slav...

Page 66: ...iple unit combination is done by operating the master as described for a single unit SCPI commands and front panel control actions applied to the master affect the multiple unit combination The LCD di...

Page 67: ...LOCAL SENSING TYPICAL GND NET OUT MON N C OUT S COM S COM MON GND GND NET OUT MON N C OUT S COM S COM MON GND GND NET OUT MON N C OUT S COM S COM MON GND GND NET OUT MON N C OUT S COM S COM MON GND G...

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Page 69: ...he use of the VISA driver see PAR 3 5 5 3 2 POWER SUPPLY BASICS The following paragraphs describe basic operation of the front panel controls which are used to configure and operate the power supply T...

Page 70: ...go on A1 any control function failure A2 overtemperature instant internal overcurrent output overvoltage over current local 15V failure A4 input under overvoltage input overcur rent internal output un...

Page 71: ...is indicated at the upper right of the LCD Setting the unit to STANDBY when the mode is changed only occurs when using the MODE key R or T From the power up screen these keys scroll the cursor from di...

Page 72: ...e the power supply will within the configured and rated limits provide the programmed output current Voltage is determined by the load and cannot exceed the Voltage Protect limits Mode displayed at th...

Page 73: ...es CURR EXT or VOLT EXT the setting establishes the full scale output corresponding to a 10V analog signal see PAR 3 4 3 2 If the main or protect channel indicates EXTERNAL the corresponding setting i...

Page 74: ...abort a change without applying the modified setting From the power up screen is used to adjust contrast In the Revisions TEST submenu of the General Setup Menu is used to execute a test SAVE FOR POWE...

Page 75: ...rough 3 15 list the menu parameters To modify a parameter listed in a menu or submenu proceed as follows 1 Highlight the parameter using the Y and U keys 2 When the desired choice is highlighted press...

Page 76: ...nter the Admin 2 password see PAR 3 2 4 3 for details then press to verify The Password Protection menu see Figure 3 5 is now displayed 3 To change a password highlight the Main Unit Admin 1 or Admin...

Page 77: ...ribed in PAR 3 2 4 This function is always available whether in Local Remote or Local Lockout mode NOTE If is not available when the operator convenience menu is open these functions see PAR 3 2 5 1 t...

Page 78: ...E g selecting 2 Second Graph means that 2S 240 50ms sampling i e every 50ms a snapshot of the output state is used to produce a single point DISPLAY BACKGROUND White Black WHITE Sets the background t...

Page 79: ...n waveform is stopped e g by pressing output freezes at whatever level the waveform was at when was pressed then after a brief delay output is set to STANDBY disabled Last Level When waveform is stopp...

Page 80: ...ASSOCIATED PROTECT LIMITS From the power up screen the settable voltage current parameters are displayed at the bottom of the LCD above the HELP message see Figure 3 3 Use Y or U to highlight the mai...

Page 81: ...aximum positive and minimum maximum negative voltage that can be set Value 0 to EOnom Value 0 to EOnom 3 3 4 1 B 89 B 90 B 91 B 93 Current Protect Current Protect Voltage mode only Defines maximum cur...

Page 82: ...d and can be edited for both protection limits Press from the power up screen to enter the General Setup menu Figure 3 6 then high light Max Min Settings Press to enter the Max Min Settings submenu Fi...

Page 83: ...ect Min 7V when BIPOLAR is selected the previous protec tion values 25 7 will remain in place until a new value is entered in the Voltage Protection field When a new Voltage Protect setting e g 22V is...

Page 84: ...XIMUM OR MINIMUM SOFTWARE CONTROLLED LIMITS The maximum or minimum allowable voltage and current settings of the unit can be reduced from the nominal using the Max Min Settings menu Table 3 5 which li...

Page 85: ...rent Protect To modify refer to 3 3 4 1 C Protect Min internal value Not Adjustable Defines the minimum value that Current Protect can be set to This is a calcu lated value and is not adjustable from...

Page 86: ...OP 3 28MG In this case it is important to change the V Protect Max and V Protect Min limits e g to 3 3V respectively so that the load is protected when operating in Current Mode 1 Press from the power...

Page 87: ...els only current protect in voltage mode and voltage protect in current mode The range of each analog input signal is 1V to 10V corresponding to a range for clamping the output between minimum 10 of n...

Page 88: ...is prevents damage to the load and power supply as well as providing safety for the user However In addition to the built in safety features constant current type active electronic loads must be adjus...

Page 89: ...ven if properly calibrated the zero current has a tolerance of 0 01 of nominal rated current Therefore the battery will be very slowly charged or discharged by this non zero current value depending on...

Page 90: ...load against excessive voltage if a sensing connection is lost while in current mode The result is that if current mode is used to charge a battery with or without local sensing the charging process w...

Page 91: ...imit channels bipolar limits voltage for current mode and current for voltage mode Table 3 7 illustrates the relationship between Mode Main Channel Pro tection Type and Levels settings Output on may b...

Page 92: ...ge mode 0V current protection set to 25A Pressing MODE changes mode to current puts unit in standby output to 0A voltage protection to power up setting of 10V output off and STANDBY indicator on Curre...

Page 93: ...for customized configuration where EXT VM CM signal at pin 2 of I O port controls mode consult factory for details MAIN CHANNEL REFERENCE INTERNAL EXTERNAL EXTL REF LVL INTERNAL Any external reference...

Page 94: ...ETTINGS AND ERASING OR MODIFYING PREVIOUSLY SAVED SETTINGS 1 Press from the power up screen to enter the Saved Setups screen Figure 3 8 FIGURE 3 8 SAVED SETUPS MENU 2 Use the U and Y keys to highlight...

Page 95: ...y the settings to the output Refer to PAR 3 3 8 3 to modify a setting before execution 3 3 9 WAVEFORM GENERATION 3 3 9 1 PROTECTING THE LOAD WHEN ACCESSING WAVEFORMS CAUTION Before Pressing to enter t...

Page 96: ...ber of points available for a waveform is limited to 3933 for all segments Since there are a finite number of points the lower the frequency the more points used and the smoother the output waveform w...

Page 97: ...443 8z 532Hz 20 See Note 3 NOTES 1 As the frequency varies within the range the time interval per point varies proportionately 2 Sine and Triangle segments can not exceed 443Hz 3 Ramp segments can no...

Page 98: ...epetition count fol lowed by a listing of segments The type square sine etc frequency p p amplitude and whether the segment is initial run only the first time or repeating is indicated by I or R respe...

Page 99: ...cified in PAR 3 3 9 4 The operating mode can not be edited to change from a voltage waveform to a current waveform refer to PAR 3 3 9 8 to start a new waveform Use Y or U or ADJUST to highlight the se...

Page 100: ...the segment will exceed the 100V maximum of the model In this case the output is clamped to the max min soft ware limit in effect see PAR 3 3 4 1 Values that exceed the maximum or minimum software li...

Page 101: ...lex waveform 3 3 9 9 USING SEGMENTS TO BUILD A WAVEFORM The following steps provide detailed instructions to illustrate how a complex waveform illus trated in Figure 3 11 may be created by building se...

Page 102: ...p signal riding on an 8V offset The frequency of 50 Hz establishes the time duration of 20 ms for the segment 3 From the Waveform Settings screen highlight segment NEG RAMP 50 0HZ 4 00 R and press to...

Page 103: ...ment simulates the initial charging of a capacitor 6 From the Waveform Settings screen highlight End of Segments and press to insert the next segment Use to modify the following settings for the next...

Page 104: ...Requires depressing keys indicated on LCD This test requires pressing every key on the keypad plus moving the ADJUST control clockwise and counterclockwise with the ADJUST control depressed and releas...

Page 105: ...bration invalid Multiple Unit Consult Factory BITBUS option must be Disabled Change CIIL mode to SCPI From power up screen press highlight Interface Data For mat press highlight SCPI press then press...

Page 106: ...Remote Standby which sets the output to OFF putting the unit in STANDBY status 3 4 1 1 REMOTE SHUTDOWN A standalone unit can be shut down using a remote signal applied to the PROTECTION EXT PORT as s...

Page 107: ...signal to the TRIGGER PORT as shown in Figure 3 15 For multiple unit configurations this signal must be applied to the master When the signal is momentarily active short or logic 0 for a minimum of 1...

Page 108: ...NPUT PIN 11 referenced to pin 4 INTERNAL EXTERNAL EXTL REF LVL INTERNAL Any external reference applied to the Analog I O port pin 11 is ignored and the output is controlled using either the local fron...

Page 109: ...below the inherent frequency response of the BOP 2KHz for voltage 800Hz for current see Table 1 2 For parallel or series combinations the frequency response is reduced as specified in the instruction...

Page 110: ...n Volts entered at the front panel The gain in current mode is GA ISET 10 where ISET is the desired full scale current in Amperes entered at the front panel NOTE If the system limits have been modifie...

Page 111: ...sser Limit the protect limits are automatically selected from either 1 the external analog voltage applied to the Analog I O port see PAR 3 4 4 or 2 the value set from the keypad or SCPI command Which...

Page 112: ...determined by the voltage and current commands received as well as the load Each time voltage and current commands are received the unit must evaluate the commands and the load conditions to determin...

Page 113: ...the unit to properly update flash memory The OPC query is ideal to check if the previous command is complete since it returns either a 1 or 0 It is important that it be sent as a part of the same str...

Page 114: ...y address char status_byte status byte from the power supply define MAV 0x10 bit 4 of the status byte is the Message AVailable bit by 488 2 specification Function Send_with_wait INPUT string to be sen...

Page 115: ...output to go on see PAR 3 5 3 1 3 for details Device Clear SCPI MATE SCPI sending Device Clear DCL or selected DCL has no effect on output voltage and current per IEEE specification 488 2 MATE When de...

Page 116: ...s with out saving for power up and exit 3 5 3 2 RS 232 SERIAL PORT SETUP Paragraphs 3 5 3 2 1 through 3 5 3 2 3 below describe the setup required for the BOP to com municate via the RS 232C Serial bus...

Page 117: ...is sent The closest approximation to using the BOP 1KW to mimic the BOP BIT 4882 is to use OUTP CONT ON and SYST SET CM0 commands to configure the unit The BOP 1KW response to the command line outp of...

Page 118: ...ptor Handshake AH1 Complete Capability Interface can receive multiline messages Talker T6 Basic talker serial poll unaddress if MLA My Listen Address one byte address Listener L4 Basic listener unaddr...

Page 119: ...card supplier Many vendors supply this software with the hardware National Instruments http www natinst com has the driver for their cards available on the internet at a file transfer site ftp ftp nat...

Page 120: ...e removed from the input buffer queue Carriage Return 0DH Causes the input buffer to be parsed by the BOP Line Feed 0AH Causes the input buffer to be parsed by the BOP 3 5 6 2 RS 232 IMPLEMENTATION Th...

Page 121: ...character is used for synchronization causing the BOP to reset its input buffer and return a CR LF sequence The XON character enables the transmitter if XON XOFF flow control is enabled see PAR 3 5 3...

Page 122: ...t until the verification process is complete When working in echo mode it is possible to receive the NAK 15 hex from the BOP This indi cates an unknown quantity of echoed characters have been lost due...

Page 123: ...of the Kepco website for additional information regarding RS 232 communications problems www kepcopower com support 3 6 SCPI PROGRAMMING SCPI Standard Commands for Programmable Instruments is a progr...

Page 124: ...DISPLAY SUBSYSTEM This subsystem controls the second line of the LCD The first line will always display the LOCal or REMote operation status and the constant Voltage CV or constant Current functionin...

Page 125: ...STATe ON or OFF STATe CONT CONT MODE ACTIVE RESISTIVE BATTERY MODE MEMory subsystem MEMory UPDate RELoad ROOT colon SYSTem subsystem SYSTem BEEP COMM GPIB ADDR val GPIB ADDR SER BAUD BAUD ECHO ECHO PA...

Page 126: ...ay See paragraph 3 3 9 3 for an explanation of how a waveform is generated by the BOP SOURce subsystem SOURce VOLTage LEVel IMMediate AMPLitude val AMPLitude MIN MAX TRIGgered AMPLitude val AMPLitude...

Page 127: ...the amount of Flash memory used becomes larger with each subsequent data update the Flash memory fills up and needs to be compressed The compression of the Flash EEPROM called packing is automaticall...

Page 128: ...voltage voltage protect and voltage readback are calibrated and during current calibration the current current protect and current readback are calibrated The normal procedure is to calibrate voltage...

Page 129: ...arameter after the keyword separated by a space the parameter is usually numeric e g CURR 5 newline but may also be a string e g OUTP ON newline Figure 3 19 illustrates the message structure showing h...

Page 130: ...ndicating the long form e g IMMediate EVENt and OUTPut The parser however is not sensitive to case e g outp OutP OUTPUt ouTPut or OUTp are all valid 3 6 4 2 KEYWORD SEPARATOR If a command has two or m...

Page 131: ...CII 10 decimal or 0A hex NOTE Kepco power supplies require a message terminator at the end of each program mes sage The examples shown in this manual assume a message terminator will be added at the e...

Page 132: ...message may be separated by a semicolon without repeating the root keyword If a program message has more than one message unit then a colon must precede the next keyword in order to set the parser ba...

Page 133: ...ars all of the bits found in the event register If any bits are set in an event register the following condition register bit is then set For example if the STAT QUES ENB enable reg ister has bit 0 se...

Page 134: ...ates the programmed list has been completed Not readable in OPERation Status Condition register 13 Not Used always zero 14 List Running 1 indicates the programmed list is in progress 15 Not Used alway...

Page 135: ...r has been detected NOTE If External Reference is enabled and a protection error occurs both Voltage Protect Error bit 12 and Current Protect Error bit 13 are set 13 Current Protect Error 1 indicates...

Page 136: ...EV6 defined by IBCONF bd ibfind GPIB0 Open GPIB card ibsic bd Send Interface Clear ibsre bd 1 Set remote line true strcpy dat_str VOLT 5 CURR 1 Define a set command strcat dat_str r n Append delimiter...

Page 137: ...P are verified If an error occurs during the verification process the unit will beep and an error 24 x Hardware see PAR B 133 will be placed in the error queue TABLE 4 1 CALIBRATION SUMMARY Type Step...

Page 138: ...S Short with Meas Shunt Automatic CM 1 DVM between probe terminals of Meas Shunt LO towards COM S 2 Adjust for zero pos FS CURRENT GAIN 1 ZERO 2 POSITIVE External 1 0 0V 2 10 0V Analog I O Port pin 11...

Page 139: ...HM 115 3033 ISOTEK RUG Z R001 0 1 TK10 BOP 50 20MG BOP 72 14MG BOP 100 10MG 0 01 OHM 115 2997 ISOTEK RUG Z R010 0 1 TK10 NOTE Selected sense resistor must be mounted on a heatsink with a minimum surfa...

Page 140: ...075V 0 008mV 0 075V 0 075V 0 038mV BOP 20 50MG 0 001 Ohm 0V 0 005mV 0 05V 0 05V 0 005mV 0 05V 0 05V 0 025mV BOP 25 40MG 0 001 Ohm 0V 0 004mV 0 04V 0 04V 0 004mV 0 04V 0 04V 0 02mV BOP 36 28MG 0 001 Oh...

Page 141: ...unit is a master in parallel configurations Steps 31 and 32 calibrate the control signal used when the unit is a slave in parallel configurations There is no need for a special calibration step when...

Page 142: ...Connect a 0V 0 1mV d c reference to pin 11 EXT_REF referenced to pin 10 SGND of the Analog I O Port connector A2A5J6 Set the BOP to zero volts output by sending CAL VEXT ZERO Connect the DVM to the BO...

Page 143: ...Then send the CAL ZERO command 17 Connect a 0V 0 1mV d c reference to pin 8 S_IN_SERIAL of the PAR SER CONTROL IN connector A2A5J3 referenced to COM S terminal at the rear panel use mating connector s...

Page 144: ...ed see PAR 4 3b to adjust the BOP output until the DVM reads as close as possible above the nominal full scale value within tolerance specified in Table 4 4 for FULL SCALE CURRENT 22 Set the BOP to ma...

Page 145: ...ding CAL CGA ZERO Send CAL DATA commands as needed see PAR 4 3a until the reading is as close to zero as possible within the limits specified in Table 4 4 for CURRENT ZERO 28 Replace the 0V d c refere...

Page 146: ...ION USING FRONT PANEL KEYPAD IN LOCAL MODE The following paragraphs describe the screens and keys used in the calibration process 4 4 1 UNDERSTANDING THE CALIBRATION PROCESS The following steps descri...

Page 147: ...its calibration of the power supply or ENTER EXIT Exit Voltage or Current Calibration 4 Pressing or displays following explanations for the function keys CAUTION IF THE CALIBRATE ZERO FUNCTION IS AVAI...

Page 148: ...the unit for local sensing with GND Network in see Figure 4 1 and discon nect load from BOP output 4 When adjustment is needed refer to PAR 4 4 1 step 5 1 From the power up screen press to enter the...

Page 149: ...11 referenced to pin 10 SGND1 of the BOP analog I O port A2A5J6 10 Press VOLTAGE EXTERNAL ZERO to set the BOP to zero volts output Adjust as needed until the DVM reads as close to zero as possible wit...

Page 150: ...Continue to measure the output current of the supply using the DVM connected to the sense resistor Adjust as needed until the DVM reads as close as possible above the nominal full scale value within t...

Page 151: ...pecifications 30 Connect a 10 0V 0 1mV d c reference to pin 3 S_IN_PARALLEL of the PAR SER CON TROL IN connector A2A5J3 Press POSITIVE to set the BOP to maximum output cur rent Adjust as needed until...

Page 152: ...ed in Prior are moved to Oldest The values previously stored in Oldest are no longer available Table 4 5 illustrates calibration storage and the use of the CAL DUMP query and CAL COPY command TABLE 4...

Page 153: ...ntax ESE integer where integer positive whole number 0 to 255 per Table A 2 Default Value 0 Description This command programs the standard Event Status Enable register bits The contents function as a...

Page 154: ...turn value Character string Description Identifies the instrument This query requests identification The power supply returns a string which contains the manufacturer name the model factory calibratio...

Page 155: ...gister was read Bit 1 indicates operation complete OPC IDN Power supply returns KEPCO BOP1KW 36 28 09 30 2001 123456 4 01 OPC Allows status bit 0 to be set when pending operations complete OUTP ON VOL...

Page 156: ...Description Resets power supply Executing RST has the following effects Stops any LIST command that is running CURR MODE PAR B 27 and VOLT MODE PAR B 95 are both set to FIXed transient is inac tive V...

Page 157: ...enables the corresponding Status Byte bit to set the RQS and MSS bits All the enabled Service Request Enable register bits then are logically ORed to cause Bit 6 of the Status Byte Register MSS RQS t...

Page 158: ...IG See example Figure A 1 A 17 TST SELF TEST QUERY TST Syntax TST Returned value 7 bits coded per Table A 4 Description Power Supply test This query causes the power supply to do a self test and provi...

Page 159: ...P MODE B 17 B 18 SOUR LIST SAMP B 69 SOUR CURR B 19 B 20 SOUR LIST SET SAMP B 70 B 71 SOUR CURR LIM BOTH B 21 B 22 SOUR LIST SET TRIG B 72 B 73 SOUR CURR LIM NEG B 26 B 24 SOUR LIST SET WAIT B 74 B 75...

Page 160: ...armed trigger resets WTG if the trigger system is armed INIT CONT set to OFF and INIT sent sending ABORt disarms the trigger system so subsequent trigger commands have no effect If INIT CONT ON has b...

Page 161: ...limit 1 5A INIT CONT ON Continuous triggers enabled INIT CONT Power supply returns 1 TRIG SOUR BUS Prepare unit to wait for TRG VOLT TRIG 15 CURR TRIG 3 Power supply output programmed to return to 15...

Page 162: ...EASure SCALar CURRent DC Return Value num_value digits with decimal point and Exponent Description Measures actual current This query returns the actual value of output current as determined by the pr...

Page 163: ...s the sample timing The value was determined by dividing the sample time 0 005S by the number of samples 16 0 005 16 0 0003125 LIST CURR APPL LEVEL 095 5 Creates the initial part of the current pulse...

Page 164: ...urrent to zero Related Commands FUNC MODE OUTP NOTES 1 The power supply is assumed to be operating in constant voltage mode 2 This example creates a 3 Ampere 100mS current pulse and performs a current...

Page 165: ...put B 16 OUTPut CONTrol QUERY OUTP CONT Syntax Short Form OUTP CONT Long Form OUTPut CONTrol Return Value HIGH LOW STANdby OFF Description Indicates operation of Remote on off pin 2 of Trigger Port Re...

Page 166: ...ription Identifies the positive software limit followed by the negative software limit value of output current that the unit can source or sink B 23 SOURce CURRent LEVel LIMit NEG COMMAND CURR LIM NEG...

Page 167: ...s the power supply to provide 15 volts positive with the ability to source or sink up to 2 amperes The display shows 15 000 2 000 2 000 CURR 10 Since the BOP is operating in voltage mode sets the curr...

Page 168: ...DE GAIN Configures the unit to use an external reference to provide a proportional out put current CURR MODE PROT allows CURR command to accept values up to the protection limits of the power supply w...

Page 169: ...e value is between minimum box value Figure 1 3 and 1 above rated nominal output current Description Establishes the negative protection limit for current maximum is 1 greater than rated nominal out p...

Page 170: ...Tect LIMit POSitive COMMAND CURR PROT LIM POS Syntax Short Form SOUR CURR LEV PROT LIM POS exp_value Long Form SOURce CURRent LEVel PROTect LIMit POSitive exp_value where value is between minimum box...

Page 171: ...MODE Syntax Short Form FUNC MODE Long Form SOURce FUNCtion MODE Return value 0 voltage mode or 1 current mode Description Returns the operating mode of the power supply 0 Constant Voltage mode CV 1 Co...

Page 172: ...times LIST DWEL Returns 1 38e 4 indicating the unit used 138 S per division automatically selected as the best possible dwell for the waveform FUNC MODE VOLT Initializes the power supply mode to be vo...

Page 173: ...NT Returns 10 VOLT MODE LIST Initiates execution of the list The unit outputs a sawtooth waveform that increases from 20V to 20V and repeats 10 times There is an abrupt change from 20V to 20V each tim...

Page 174: ...m LIST CURR APPL type value1 value2 value3 Long Form LIST CURRent APPLy type value1 value2 value3 Where type is SQUARE RAMP RAMP TRIANGLE SINE LEVEL value1 is frequency in Hz for LEVEL value1 is perio...

Page 175: ...VOLT If LIST DWEL is entered for only location 0 that time duration will apply to all steps when either VOLT MODE LIST or CURR MODE LIST is executed Related Commands VOLT MODE FUNC MODE LIST CURR LIS...

Page 176: ...ber of points that will be used for the waveform value1 and value2 indicate the boundaries of acceptable dwell times e g if LIST RES returns either 0 000093 0 034000 3933 or 0 034000 0 000093 5900 dwe...

Page 177: ...next point in waveform waits for Input Trigger high before proceeding Host computer issues another high pulse Trigger input goes high and List proceeds to next point LIST WAIT LOW 1 1 Maintains outpu...

Page 178: ...ed to DVM causing DVM to make measurement Trigger input low while DVM makes measurement LIST WAIT HIGH 10 Wait for DVM to complete measurement for 33 mS Proceed to next step if trigger input goes high...

Page 179: ...comma separated list of numbers representing points followed by V or C The point listings are determined by the settings of LIST SAMP CURR and LIST SAMP VOLT commands The sample s occur after the poin...

Page 180: ...tion to setting the output to the value speci fied for duration established by LIST SET TRIG causes the Output Off flag transistor EXT_E pin 5 and EXT_C pin 6 of the External Protection port to be set...

Page 181: ...ge channel and insures the generated array does not exceed the unit s capabilities B 80 SOURce LIST VOLTage APPLy SWEep COMMAND LIST VOLT APPL SWE Syntax Short Form LIST VOLT APPL SWE Long Form LIST V...

Page 182: ...lue Pins 1 GND and 3 of the Trigger Port are used as the input trigger If the trigger input goes from high to low TTL logic 0 or short circuit and a wait time has been established by LIST SET WAIT the...

Page 183: ...w going edge is applied to the Trigger Input pin 3 of the BOP Trigger Port the negative going edge of this pulse will cause the BOP to increment the output to the next level Thus each time the host co...

Page 184: ...for negative output voltage i e sets the maximum value of negative output voltage that the unit will be allowed to produce Requires MEM UPD PAR B 12 to save for power up See PAR 3 5 2 2 and Figure 3...

Page 185: ...Seconds If the time nn exceeds 2 Seconds error message 222 dwell or frequency out range is posted to the error queue VOLT MODE EXT Configures the unit to use an external reference to change the main...

Page 186: ...yntax Short Form SOUR VOLT LEV PROT NEG exp_value Long Form SOURce VOLTage LEVel PROTect NEGative exp_value where value is between minimum box value Figure 1 3 and 1 above rated nominal output voltage...

Page 187: ...LT PROT LIM NEG Syntax Short Form SOUR VOLT LEV PROT LIM NEG exp_value Long Form SOURce VOLTage LEVel PROTect LIMit NEGative exp_value where value is between minimum box value Figure 1 3 and 1 above r...

Page 188: ...eration Condition Register see Table B 3 The Operation Condition Register contains unlatched real time information about the operating conditions of the power supply Bit set to 1 function enabled acti...

Page 189: ...TAT QUES COND Long Form STATus QUEStionable CONDition Return Value int_value actual register value Description Returns the value of the Questionable Condition Register see Table B 4 The Questionable C...

Page 190: ...TAT OPER COND Power supply returns 256 to indicate that power supply is in constant voltage mode FUNC MODE CURR Commands power supply to current mode STAT OPER Returns 1024 indicating that since the l...

Page 191: ...considerations B 126 SYSTem COMMunication SERial BAUD QUERY SYST COMM SER BAUD Syntax Short Form SYST COMM SER BAUD Long Form SYSTem COMMunication SERial BAUD Return Value int_value 19200 9600 4800 24...

Page 192: ...from the instrument error queue The error queue is a FIFO first in first out buffer that stores errors as they occur As it is read each error is removed from the queue and the next error message is m...

Page 193: ...Syntax Short Form SYST REM ON OFF or 1 0 Long Form SYSTem REMote ON OFF or 1 0 Description Used during serial RS 232 communication to set the unit to remote 1 or ON or local 0 or OFF mode This comman...

Page 194: ...T command See example Figure B 12 B 147 SYSTem VERSion QUERY SYST VERS Syntax Short Form SYST VERS Long Form SYSTem VERSion Return Value int_value int_value YYYY V Description Identifies SCPI Version...

Page 195: ...S 2yy06 VOLTAGE FAULT 2yy07 RELAY OPEN 2yy08 POLARITY ERROR 2yy09 OVERLOAD Device Error bit 3 1 Indicates a hardware problem has been detected in either the BOP power supply or an auxiliary power supp...

Page 196: ...oltage calibration with a load 350 Queue Overflow Device Error bit 3 1 Error queue was full error events have been lost 363 Input buffer overrun Device Error bit 3 1 The input from the controlling com...

Page 197: ...t or to save for power up see PAR 3 2 5 1 If not available see NOTE to PAR 3 2 5 How do I choose between graphical meters or time line graphs Higlight Graphic Display highlight Meters or the appropria...

Page 198: ...te XON XOFF or Prompt setting highlight desired selection then When complete to exit or to save for power up see PAR 3 5 3 2 How do I change between SCPI and CIIL Data Format to view To change highlig...

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