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1-14

BOP HIPWR 091719

1.4

LOCAL CONTROL

Either the front panel keypad or the adjust control can set and adjust output voltage and current
under local control. The display provides a digital display of output voltage and current as well
as a pictorial display of real-time analog voltage and current meters.

The keypad includes five function keys which provide access to the menu-driven functions of
the unit. The menu screens provide access to save the unit’s settings, recall previously saved
settings, configure or execute a waveform, display references or configure the unit by setting
GPIB address, Serial protocols, maximum acceptable voltage and current, etc. (see PAR. 3.3
for details on local control).

Context-sensitive help screens are available by pressing the HELP key. Actual output voltage
and current displays are available while the help screens are displayed.

1.5

REMOTE CONTROL

The BOP Power Supply can be remotely controlled directly via either the IEEE 488.2 (GPIB)
bus (MG models only, see PARs. 3.5 an d 3.5.4), LAN Interface (ME models only, see PAR.
3.5.7) or RS232C (see PAR. 3.5.6) interface using SCPI commands (see and Appendix A and
B). Most features available in local mode can also be accessed remotely via the digital interface.
The unit can be controlled with a VISA (Virtual Instrumentation Software Architecture) driver to
facilitate remote programming of the BOP Power Supply (see PAR. 3.5.5). The VISA driver is an
interface written in standard C language which adds the proper SCPI syntax to commands sent
to the BOP.

The BITBUS is used to allow communication between identical BOP units that are connected in
series and/or parallel to expand the voltage or current range (see PAR. 2.7.6.2).

The BOP can also be controlled remotely using analog signals applied to the Analog I/O Port
(see PAR. 3.4 for details.)

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Содержание BOP-ME 1KW

Страница 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...

Страница 2: ......

Страница 3: ...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...

Страница 4: ...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 EARTHING CONDUCTOR T...

Страница 5: ...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...

Страница 6: ...sabled in BATTERY mode is haz ardous because 1 high current arcing is possible and 2 either the ex ternal battery voltage or the voltage Voltage Protection max on the BOP output terminals may be dange...

Страница 7: ...he connection be tween BOP COM and the load terminal connected to earth ground is lost 2 12 CAUTION The safety features incorporated into the BOP to handle energy from Ac tive loads are unable to prot...

Страница 8: ...s to appear at the output which may damage a connected load Switch is recessed to prevent inad vertent activation 3 55 CAUTION The commands listed above with will generate a 440 Missing Que ry error i...

Страница 9: ...ounding 2 8 2 5 2 Source Power Connections 2 8 2 5 3 D C Output Grounding 2 9 2 5 3 1 Earth Ground Configuration 2 10 2 5 3 2 Grounding Network Configuration 2 10 2 5 4 Power Supply Load Interface 2 1...

Страница 10: ...3 3 4 Changing Maximum or Minimum Software controlled Limits 3 18 3 3 4 1 Changing Maximum Accepted Voltage or Current Main Channel Software Limits 3 20 3 3 4 2 Changing Maximum Minimum Protection So...

Страница 11: ...Voltage Current Limit and Current Voltage Limit 3 54 3 5 2 2 Making Sure the Previous Command is Complete 3 55 3 5 3 Remote Mode Setup 3 56 3 5 3 1 Determining Whether RST Command sets the Output Off...

Страница 12: ...8 TRIGger subsystem 3 78 3 6 3 9 SOURce VOLTage and SOURce CURRent Subsystems 3 78 3 6 3 10 CALibrate Subsystem 3 79 3 6 3 11 System Subsystem 3 79 3 6 3 11 1 Forgotten Passwords 3 79 3 6 4 Program Me...

Страница 13: ...MMediate Command B 3 B 6 INITiate CONTinuous Command B 4 B 7 INITiate CONTinuous Query B 4 B 8 MEASure Query B 5 B 9 MEASure CURRent Query B 5 B 10 MEASure MODE Command B 5 B 11 MEASure MODE Query B 5...

Страница 14: ...IGger Query B 16 B 57 SOURce LIST CLEar Command B 16 B 58 SOURce LIST COPY Command B 17 B 59 SOURce LIST COUNt Command B 17 B 60 SOURce LIST COUNt Query B 18 B 61 SOURce LIST COUNt SKIP Command B 18 B...

Страница 15: ...ct NeGative Query B 33 B 119 SOURce VOLTage LEVel PROTect POSitive Command B 34 B 120 SOURce VOLTage LEVel PROTect POSitive Query B 34 B 121 SOURce VOLTage LEVel PROTect LIMit BOTH Command B 34 B 122...

Страница 16: ...SYSTem ERRor CODE Query B 41 B 161 SYSTem ERRor CODE ALL Query B 41 B 162 SYSTem KEYBoard Command B 41 B 163 SYSTem KEYBoard Query B 41 B 164 SYSTem MDNS Query B 41 B 165 SYSTem MDNS INDex Command B 4...

Страница 17: ...Power up Screen Showing Graphic Meters 3 5 3 5 Power up Screen Showing Time Line Graph 3 5 3 6 Password Protection Menu Factory Defaults 3 11 3 7 Display Settings Menu 3 11 3 8 General Setup Menu 3 1...

Страница 18: ...s to Control Generation of a Waveform Measured by Multiple External Devices using a Single External Pulse B 24 B 9 Using List WAIT Commands to allow an external device time to function while imposing...

Страница 19: ...Power up Settings Function 3 28 3 9 Save recall menu 3 30 3 10 Sine Triangle and Ramp Waveform Frequency vs Points 3 34 3 11 Square Waveform Frequency vs Points 3 34 3 12 Waveform Segment Details Menu...

Страница 20: ...xii BOP 1K 091719 FIGURE 1 1 HIGH POWER BOP SERIES POWER SUPPLY...

Страница 21: ...ode or CURRENT mode When in Voltage mode the power supply will within the configured and rated limits provide the programmed output volt age Current is determined by the load and cannot exceed the Cur...

Страница 22: ...els TABLE 1 1 BOP 1000 WATT MODEL PARAMETERS Model d c Output Range Closed Loop Gain Output Impedance Voltage V d c Current A d c Voltage Channel GV V V Current Channel GI A V Voltage Mode Series R L...

Страница 23: ...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 Installation Category II...

Страница 24: ...mit channels are not used the limits are clamped to 1 above the nomi nal values The limit source must be able to sink a maximum 0 15mA 1V programming signal Gain adjustable range 10 recom mended to 10...

Страница 25: ...ode maximum excursion 5 of nominal output nominal voltage 50 load step Recovery time 200 S Return within 0 1 of set voltage Series operation Master slave Maximum of identical 3 units up to 300V max Pa...

Страница 26: ...V to 10V 0 5 to 100 of Nominal Range Input volt age clamped to 12V through 1K ohms Maxi mum of 0 15mA input current at1V input voltage Mode Control Voltage open circuit or TTL logic 1 Current short ci...

Страница 27: ...d output is off disabled Pulse width 6 mS min for any guaranteed unit response Action delay 200 mS max LOFF Front panel display shows LowIsOff Isolated Input When disconnected or open STANDBY and OUTP...

Страница 28: ...y default when the count is complete or if execution is stopped using the output of the unit is set to OFF Standby indicator lit Output must be enabled press STANDBY to execute the waveform again See...

Страница 29: ...to all sine trian gular waveform segments The Start Stop points are independent and can have any value between 0 and 360 LIST command characteristics for string type waveform Remote only Maximum numbe...

Страница 30: ...t protection limit for voltage mode and current voltage protection limit for current mode Main and Limit graphs are not phase correlated In order to get a meaningful representation the graph timing mu...

Страница 31: ...curacy Start Angle 1 Stop Angle 1 0 01Hz to 16 443 Hz Frequency dependent SAVE RECALL CHARACTERISTICS See PAR 3 3 9 Number of Locations 99 Parameters Saved or Recalled All parameters saved for power u...

Страница 32: ...up Settings 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 Externa...

Страница 33: ...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 port 15 pin D fema...

Страница 34: ...displays are available while the help screens are displayed 1 5 REMOTE CONTROL The BOP Power Supply can be remotely controlled directly via either the IEEE 488 2 GPIB bus MG models only see PARs 3 5...

Страница 35: ...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...

Страница 36: ...1 16 BOP HIPWR 091719 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...

Страница 37: ...asic waveform types square sine triangle negative ramp positive ramp and level Depending on the waveform type frequency peak to peak amplitude offset and start and stop phase angle are then assigned b...

Страница 38: ...e output voltage and doubles the output current If a series parallel config uration is enabled communication between the master BOP and those configured as slave units occurs via the BITBUS Refer to P...

Страница 39: ...ected branches of 2 series connected units The four total power supplies provide double the output current and double the output voltage of a a single unit KIT 219 0481 is used for 2 parallel connecte...

Страница 40: ...o 2 required per unit 128 1775 Filler Support Bracket 1U Filler support bracket mounts directly under lower front edge of unit and fastens to the rack edge Use of this bracket also provides additional...

Страница 41: ...f the unit voltage or current cannot be programmed This minimum box value for the positive limits or maxi mum box value for the negative limits is a model dependent constant of approximately 0 2 of th...

Страница 42: ......

Страница 43: ...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...

Страница 44: ...s presented in 3 5 7 1 LAN Indicator During initialization the green LAN indicator blinks rapidly while attempting to locate a valid IP address If successful the LAN indicator stays on without blinkin...

Страница 45: ...BY key or a remote OUTP ON command must be used to enable the output Response to this signal is relatively slow 200mS max HON Logic 1 or open not connected output is on enabled Logic 0 output is off d...

Страница 46: ...or of optocoupler transistor which is used for external isolated Output OFF flag Transistor emitter is connected to A2A5J7 pin 6 When output is OFF transistor is saturated Current through transis tor...

Страница 47: ...tor of optocoupler transistor which is part of protection circuit for parallel or series combination Transistor emitter is connected to PARAL LEL SERIAL PROTECT OUT PORT A2A5J2 pin 2 see Table 2 9 Whe...

Страница 48: ...negative current limit to 28A see PAR 3 4 5 Open disabled see NOTE 1 6 V_LIM_EXT Analog input signal 0V to 10V sets the negative voltage limit between zero and EOmax 10V corresponds to rated maximum...

Страница 49: ...ocessor firmware revision history and lists various tests performed during the internal self test As each test is completed PASS or FAIL is displayed If all tests pass the unit goes into the default m...

Страница 50: ...between other types of electronic equipment If optimum performance is expected certain rules for the interconnection of source power sup ply and load must be observed by the user These rules are desc...

Страница 51: ...solated 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...

Страница 52: ...current stabilized power supply is to deliver the rated out put quantities to the connected load The load may have any conceivable characteristic it may be fixed or variable it may have predominantly...

Страница 53: ...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...

Страница 54: ...TALL LINKS see Figure 2 3 CAUTION The safety features incorporated into the BOP to handle energy from Active loads are unable to protect the power supply or the load if input power to the BOP is lost...

Страница 55: ...is defined as Active Resistive or Battery Refer to PAR 3 3 7 to configure this setting 2 7 2 SETUP FOR LOCAL OPERATION With all power off connect the load to the BOP using either local or remote sens...

Страница 56: ...ed across pins 6 and 7 of the Parallel Serial Protect In Port for the unit to function see simplified diagram Figure 2 5 For example installing a local jumper across pins 6 and 7 of the Parallel Seria...

Страница 57: ...need to be cycled OFF then ON to restore proper operation The default GPIB address is 6 to change it refer to PAR 3 5 3 2 The default configuration allows both local and remote operation to prevent l...

Страница 58: ...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 to your computer Ext...

Страница 59: ...s covery Tool FIGURE 2 8 TYPICAL SCREEN USING LXI DISCOVERY TOOL 2 7 6 4 LAUNCH WEB INTERFACE After finding the unit and selecting the desired unit on the LAN see PAR 2 7 6 1 click the Launch Webpage...

Страница 60: ...AC Address LXI Firmware Revision 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 The hostname ends wit...

Страница 61: ...the OPERATE INSTRUMENT page settings The settings can still be viewed while password protected The CONFIGURE INSTRUMENT password restricts the ability to change some INSTRUMENT configuration parameter...

Страница 62: ...nt IMAX one unit x NP IMAX parallel combination where NP number of units in parallel Similarly up to three units can be connected in series to increase the voltage EMAX one unit x NS EMAX parallel com...

Страница 63: ...connections for a typical 3 X 2 two parallel branches each consisting of three series connected units configuration as well as simplified diagrams showing required arrangements for 2 X 2 Consult fact...

Страница 64: ...2 22 BOP HIPWR 091719 FIGURE 2 11 PARALLEL CONFIGURATION LOCAL SENSING TYPICAL...

Страница 65: ...BOP HIPWR 091719 2 23 FIGURE 2 12 PARALLEL CONFIGURATION REMOTE SENSING TYPICAL...

Страница 66: ...2 24 BOP HIPWR 091719 FIGURE 2 13 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...

Страница 67: ...BOP HIPWR 091719 2 25 FIGURE 2 14 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...

Страница 68: ...il 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...

Страница 69: ...UNIT TYPE and CONNECTION TYPE options shown below Used when units are connected in series increase output voltage see NOTE below MASTER 2 X 2 Unit configured as master in control of two parallel branc...

Страница 70: ...view the Multiple Units menu see Table 2 12 When prompted enter ADMIN2 password see PAR 3 2 4 3 before continuing b From the Multiple Units menu highlight Configuration use ADJUST control or the Y or...

Страница 71: ...screen Figure 2 16 will show the status of all slaves as either Faulted Standby or Not Used and allow the system to advance to the Power up stage Other status indications must be corrected before the...

Страница 72: ...mber appears at the lower right of the display For instruc tions to return the slave to standalone operation refer to PAR 2 8 7 The fault indicators on all units are off FIGURE 2 16 MASTER POWER UP SC...

Страница 73: ...or Current Max Current Min and Cur rent Protect Max Min now reflect the total current of the parallel combination Voltage val ues and limits reflect a series combination For 2 X 2 and 3 X 2 combinatio...

Страница 74: ...he voltage meter for series configurations or current meter for parallel configurations and the message indicates the unit is operating as a slave with slave number shown at lower left corner The faul...

Страница 75: ...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...

Страница 76: ......

Страница 77: ...tion in remote mode can be simplified by the use of the VISA driver see PAR 3 5 5 ME Models Digital remote for ME models uses either the built in LAN see PAR 3 5 7 or RS 232 see PAR 3 5 6 interface to...

Страница 78: ...icator to 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...

Страница 79: ...l the cursor from digit to digit within a field Y or U From the power up screen these keys scroll through the main or protection fields Also used to scroll though and select options on other menus CLE...

Страница 80: ...screen the power up screen Figure 3 4 or Figure 3 5 is displayed The LCD will show actual voltage and current at the BOP output the mode at the upper right the function of the soft keys to the right h...

Страница 81: ...grammed output voltage Mode displayed at the upper right is VOLTAGE Current is deter mined by the load and cannot exceed the Current Protect limits If the protect limit is reached CPROTECT is displaye...

Страница 82: ...n the LAN indicator is blinking LAN OK blinks and the foreground and background colors of the LCD display will alternate The protect channel will show either a single entry for both positive and negat...

Страница 83: ...Modify Settings function key Menus and submenus will display a list of parameters with one high lighted The function key assignments can vary but generally offer the following choices allows the highl...

Страница 84: ...K AUTO IP ON DHCP ON Name and index MDNS name Max Min Settings Table 3 5 for voltage mode Voltage max Voltage min CProtect max min for cur rent mode Current max Current min VProtect max min Load Type...

Страница 85: ...key for more information press HELP again to see multiple screens press CLEAR key to exit the help screen 3 2 4 2 PASSWORD SETUP Parameters that can be protected may be designated as Unprotected no p...

Страница 86: ...ess to save for power up or to apply the changes without saving for power up and exit 3 2 4 3 HOW TO ACCESS A PASSWORD PROTECTED MENU An administrator can independently assign one of three passwords M...

Страница 87: ...l Lockout mode NOTE If is not available when the Display Settings menu is open these functions see PAR 3 2 5 1 to 3 3 can not be saved for power up To save for power up it is first nec essary to chang...

Страница 88: ...play setting and press Highlight either Meters or one of the graph selections and press to save Then press to save for power up or to exit 3 2 5 2 ADJUSTING LCD CONTRAST AND BACKGROUND To adjust the d...

Страница 89: ...und to light blue and displays black characters plus color for voltage current special messages and warnings Protect Entry Independent Bipolar Independent Allows and protection limits to be set indepe...

Страница 90: ...rd If the key legend is F1 LOCK REMOTE the keypad has been locked by the remote com mand SYST KEYB DIS see PAR B 162 To unlock the keypad either send SYST KEYB ENAB or turn the unit off then on again...

Страница 91: ...lit or enabled CAUTION When the ADJUST control is rotated the active parameter is immediately effective if the output is enabled on STANDBY indicator not lit The volt age current applied to the load c...

Страница 92: ...mum maximum negative setting for Current Protect Values of Cur rent Protect between Current Protect Min and Current Protect Max near zero are not allowed This zone also referred to as the minimum box...

Страница 93: ...setting can be adjusted from 0 to the higher protection limit from the front panel the unit automatically limits the lower protection limit to the MAX MIN settings value For example if the unit is in...

Страница 94: ...CT is displayed bit 13 of the of the questionable status register is set When PROTECT is displayed both bits 12 and 13 of the questionable status register are set see para 3 6 7 3 3 3 3 3 HIDDEN VOLTA...

Страница 95: ...ot Adjustable Defines the maximum minimum negative value that Current Protect can be set to This is a model dependent constant approximately 0 2 of IOnom and is not adjustable from the front panel CUR...

Страница 96: ...eding Maximum Allowed Value message is displayed and the output will be clamped to the main channel software limit maximum minimum value In remote mode the command is considered invalid and is disrega...

Страница 97: ...ergy from a constant current type load set the current protection limits of the BOP above the maximum current expected from the load 1 Press from the power up screen to enter the General Setup menu Fi...

Страница 98: ...can be configured either locally using the front panel or remotely using the OUTP CONT command see PAR B 23 From the front panel press from the power up screen to enter the General Setup menu Fig ure...

Страница 99: ...t to OFF a path is provided for absorb ing either the energy accumulated in the reactance of the load during the ON state or energy delivered by an electronic load This prevents damage to the load and...

Страница 100: ...s the battery from discharging during the OFF state When the output is disabled set to OFF the BOP will go to current mode current will be set to the calibrated zero value with voltage protect and cur...

Страница 101: ...that the charging current limit resolution accuracy is 12 bit 0 5 versus 14 bit 0 1 for current mode A similar process will take place when discharging the battery By setting the BOP voltage to a low...

Страница 102: ...erminals The modified unit behaves similar to that described for voltage mode except that voltage accuracy is 12 bit 0 3 versus 14 bit 0 1 for voltage mode Contact Kepco Sales for further details 3 3...

Страница 103: ...e This value is visible only if Main Channel Reference is set to Internal or ExtRefLevel and the Remote On Off which controls shutdown pin 2 of the Trigger port is not set to Disabled or LowPulseOff s...

Страница 104: ...on to power up setting of 25A output off and STANDBY indicator on Voltage External or ExtRefLevel N A Internal Voltage 10 Current 25 Unit powers up in voltage mode output voltage determined by Analog...

Страница 105: ...tioned by the external signal applied to pin 2 of the Analog I O Port see Table 2 10 If the protection setting is followed by a minus sign it indicates that the negative protection value displayed is...

Страница 106: ...nalog I O port pin 11 is used see PAR 3 4 4 1 Extreflevel Allows the gain of the BOP to be established by the maximum output voltage or current introduced by the SETTING field see PAR 3 4 4 2 Main Set...

Страница 107: ...d protection channels must be revised accordingly To modify the parameter press Highlight the desired choice from a list or use the keypad to enter a numeric value then press to save or to abort To ex...

Страница 108: ...he waveform will start from zero Otherwise between pressing STANDBY to turn the output on and pressing to execute the waveform the previously programmed settings of the power supply will be applied to...

Страница 109: ...the smoother the output waveform will appear As the frequency increases fewer points are available for each cycle and the resulting waveform may appear somewhat more jagged Tables 3 10 and 3 11 list t...

Страница 110: ...z 30 33 3Hz 44 3Hz 240 355 9Hz 443 7Hz 24 See Note 2 44 4Hz 55 4Hz 192 443 8z 532Hz 20 See Note 3 NOTES 1 As the frequency varies within the range the time interval per point varies proportionately 2...

Страница 111: ...ction settings the repetition 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 indic...

Страница 112: ...pe Frequency Ampli tude p p and Offset For each parameter use Y or U or the encoder to highlight the parameter then press to edit change the parameter then press to save or to abort and exit 5 When se...

Страница 113: ...the negative portion of 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...

Страница 114: ...s apply to the complementary channel e g if the Mode selected is voltage the complementary channel is the current channel First Segment Type Square Ramp Ramp Triangle Sine Level Square Square wave bip...

Страница 115: ...tions are secure and that terminals are not inadvertently shorted It is recommended that an oscilloscope be used to view the actual output Connect the oscillo scope across OUT S and COM S terminals of...

Страница 116: ...3 3 10 1 press from the power up screen to enter the Saved Waveforms screen Figure 3 11 highlight a waveform designated Empty and press to create a new waveform FIGURE 3 14 SAMPLE WAVEFORM 2 The initi...

Страница 117: ...a 1 5V level of 1ms prior to the 0V level This segment is automatically set to Initial since the previ ous segment is set to Initial The first two segments form a positive 2ms pulse delayed 1ms from t...

Страница 118: ...10 10 COPYING A WAVEFORM After observing the precautions of PAR 3 3 10 1 press from the power up screen to enter the Saved Waveforms screen Figure 3 11 Highlight one of the stored waveforms then pres...

Страница 119: ...d The test must be completed within two minutes otherwise a Failed indication is displayed LAN Status see NOTE below Sends commands and data to LAN interface and verifies data is correct If LAN interf...

Страница 120: ...enu F3 Invalid only works when labeled Key was probably press inadvertently F4 Invalid only works when labeled Key was probably press inadvertently Master Slave Menu Series or Parallel when not STANDA...

Страница 121: ...necting a 100 F ceramic capacitor rated at 50V or 100V e g Kepco P N 117 1241 between GND and COM S terminals see Figure 2 3 for local sensing or Figure 2 4 for remote sensing 3 4 2 REMOTE OUTPUT OFF...

Страница 122: ...3 17 must first be enabled as described in PAR 2 7 3 Once enabled there must be continuity between pins 6 and 7 of PAR SER PRO TECT PORT IN in order for the unit to function This feature can also be...

Страница 123: ...es parallel can be set to STANDBY status by applying a remote signal to the TRIGGER PORT as shown in Figure 3 19 For multiple unit configurations this signal must be applied to the master Operation of...

Страница 124: ...olled using either the local front panel keypad see PAR 3 3 2 or remote SCPI commands see Appendix B External The external reference applied to Analog I O port pin 11 is used to control the output see...

Страница 125: ...ted voltage or current EOnom or IOnom and the external reference EREF used to produce that output So for an external reference of 10V the nominal voltage gain GNOM V ENOM V 10 e g the voltage gain of...

Страница 126: ...tput is controlled by the external reference signal and can not be changed from the front panel New Gain New Full scale set at front panel External reference that produces Full scale out put This mean...

Страница 127: ...ll scale voltage 10V corresponds to rated max imum voltage e g for BOP 36 28MG 10V sets positive voltage limit to 36V The maximum frequency of an a c signal used for the external protection limit must...

Страница 128: ...R 3 5 6 fol lowed by a detailed explanation of SCPI programming PAR 3 6 3 5 1 OPERATING FEATURES AVAILABLE ONLY BY REMOTE COMMANDS The following paragraphs describe features of the BOP that are not av...

Страница 129: ...When set to BIPolar unit meets the 55 millisecond maximum specification NOTE When set to BIPolar changing of the voltage setpoint in voltage mode requires using VOLT command to set voltage and CURR PR...

Страница 130: ...y 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 determine the neces s...

Страница 131: ...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...

Страница 132: ...int unit_desc handle for the national instruments controller int GPIbus 0 GPIB card 0 int adr 6 Power Supply address char status_byte status byte from the power supply define MAV 0x10 bit 4 of the st...

Страница 133: ...ith early Kepco power supplies and con trollers GPIB Address 0 30 06 Assigns address used by external GPIB controller to communicate with BOP GPIB address is not changed when factory defaults are rest...

Страница 134: ...n then highlight Interface Settings and press to enter the submenu see Table 3 17 Highlight Device Clear and press then highlight SCPI or MATE and press to save Press to save for power up or to apply...

Страница 135: ...be set manually if both DHCP and AUTO IP are set to OFF If either DHCP or AUTO IP are set to ON provides read only display of automatically generated IP address Address Mask 255 255 255 0 Allows IP ma...

Страница 136: ...PAR 3 5 3 4 3 to OFF From the LAN Interface Settings submenu highlight Address Mask and press Then enter the address mask as described above for IP Address see PAR 3 5 3 4 1 Press to save for power up...

Страница 137: ...command can be used to configure the BOP 1KW the same way the BIT 4886 is configured the BOP 1KW is not directly compatible with the older linear BOP mod els using a BIT 4886 for digital remote contr...

Страница 138: ...ssages Acceptor 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 list...

Страница 139: ...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...

Страница 140: ...m 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 The following p...

Страница 141: ...the initial characters are lost DSR stays low and XOFF is not transmit ted to the host until all data in the buffer is processed If a line terminator is received during the buffering period as soon a...

Страница 142: ...eared and the BOP is idle All non control characters are sent via the serial port of the command originator The control character BS is echoed as BS Space BS Only the first control character is return...

Страница 143: ...l Setup menu then highlight Revisions TEST press to enter the Test Subsystem menu 2 Highlight Serial and press to run the test with the Loop Back Test connector NOT installed and verify the LCD reads...

Страница 144: ...und and an address assigned the LAN indicator stays on without blinking If the server is not found after approximately 10 seconds a duplicate address is supplied by the DHCP however if DHCP has been d...

Страница 145: ...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 i...

Страница 146: ...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 All three web passwords described below are case sensitiv...

Страница 147: ...value If the LAN CONFIGURATION password was set you will be prompted to enter the password before the changes are accepted When SUBMIT is clicked after new IP address information is entered the front...

Страница 148: ...ield has been changed clicking the browser s BACK button will cause all fields to revert to their previous values FIGURE 3 24 WEB INTERFACE OPERATE INSTRUMENT PAGE 3 5 7 6 1 CHANGING THE OUTPUT The Ou...

Страница 149: ...simulated front panel 3 5 7 6 2 RESETTING THE UNIT RST 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 m...

Страница 150: ...by the last segment If the Loop number is 0 click the Stop Execution button to stop the list When Stop Execution is clicked the output stays on with the voltage and current at the values in effect pri...

Страница 151: ...trigger levels to be cancelled 3 6 3 2 INITIATE SUBSYSTEM This subsystem enables the trigger system When a trigger is enabled the triggering action will occur upon receipt of a GPIB GET TRG or TRIGge...

Страница 152: ...DATA val SAVE string STATe boolean password STATe VEXTernal MAX ZERO VOLTage MIN MAX VGAin MIN MAX VLIMit MAX ZERO VPRotect MIN MAX ZERO OUTPut subsystem OUTPut STATe ON or OFF STATe CONT CONT MODE AC...

Страница 153: ...ive LIM POSitive LIM POSitive ROOT colon SOURce CURRent LEVel IMMediate AMPLitude val AMPLitude MIN MAX TRIGgered AMPLitude val AMPLitude LIMit BOTH BOTH NEGative NEGative POSitive POSitive MODE FIXed...

Страница 154: ...omatically executed it can occur after any SAV or save of Calibra tion When the memory is out of space the internal microprocessor moves any data in the first page to the end of the flash array and th...

Страница 155: ...nnected to the corresponding output terminals The digital voltmeter will be connected to the sensing terminals OUT S and COM S of the power supply For current calibration after disconnecting all loads...

Страница 156: ...the long form are used e g STAT VOLT OUTP and TRIG The rules governing short form keywords are presented in Table 3 22 There are exceptions to the rules where only the long form is accepted These exce...

Страница 157: ...cator follows the last keyword e g VOLT and MEAS CURR 3 6 4 4 DATA Some commands require data to accompany the keyword either in the form of a numeric value or character string Data always follows the...

Страница 158: ...the message The root level keyword SOURce is an optional keyword Starting at the root there are various branches or paths corresponding to the subsystems The root keywords for the BOP Power Supply ar...

Страница 159: ...beginning is not mandatory E g the command meas volt curr will read output voltage and programmed current since the colon preceding curr indicates that curr is not part of the meas command and starts...

Страница 160: ...in bit 6 of the Service Request register If bit 6 is a 1 true it causes the power supply to assert the SRQ line to the host controller Figure 3 29 also shows that if the error event queue is not empty...

Страница 161: ...BOP HIPWR 091719 3 85 FIGURE 3 29 STATUS REPORTING STRUCTURE...

Страница 162: ...otect Error 1 indicates a Current protection error has been detected Front panel display also shows CPROTECT see PAR 3 3 3 2 for details NOTE If External Reference is enabled and a protection error oc...

Страница 163: ...Open DEV6 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 del...

Страница 164: ......

Страница 165: ...OP are verified If an error occurs during the verification process the unit will beep and an error 24 x Hardware see PAR B 159 will be placed in the error queue TABLE 4 1 CALIBRATION SUMMARY Type Step...

Страница 166: ...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...

Страница 167: ...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 surface area...

Страница 168: ...G 0 001 Ohm 0V 0 004mV 0 04V 0 04V 0 004mV 0 04V 0 04V 0 02mV BOP 36 28MG 0 001 Ohm 0V 0 003mV 0 028V 0 028V 0 003mV 0 028V 0 028V 0 014mV BOP 50 20MG 0 01 Ohm 0V 0 02mV 0 2V 0 2V 0 02mV 0 2V 0 2V 0 1...

Страница 169: ...ATION PROCEDURE USING SCPI COMMANDS The following procedure provides a complete calibration of the unit Steps 17 and 18 calibrate the control signal used when the unit is a slave in series configurati...

Страница 170: ...he limits specified in Table 4 3 for FULL SCALE VPR LIMIT 6 Send CAL VPR MIN to adjust the maximum negative protection limit of the power supply Send the CAL DATA commands as needed see PAR 4 3c until...

Страница 171: ...ERO command 14 Send CAL CLIM MAX command This enables the BOP to recognize that the voltage at the I_LIM_EXT pin is 10 0V Then send CAL ZERO command 15 Set the BOP to minimum maximum negative output b...

Страница 172: ...ull rated current of the BOP If it is hot to the touch the sense resistor value power rating and or cooling are incorrect refer to PAR 4 3 and Table 4 2 20 Set the BOP to zero volts across the sense r...

Страница 173: ...t the BOP to maximum positive output current by sending CAL CEXT MAX Measure the current by reading the voltage across the sense resistor To adjust send CAL DATA commands as needed see PAR 4 3b to adj...

Страница 174: ...ied in Table 4 3 for FULL SCALE CURRENT 33 Save the calibration levels by sending CAL SAVE 12 21 2003 The characters at the end are optional and represent the calibration date of the power supply The...

Страница 175: ...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...

Страница 176: ...to obtain the closest value above absolute value the nominal full scale value 3 Set the unit for local sensing with GND Network in see Figure 4 1 and discon nect load from BOP output 4 When adjustmen...

Страница 177: ...TIVE pins 14 6 13 and 5 is 10 0V Then press twice 9 Disconnect 10 0V d c reference voltage from pins 14 6 13 and 6 of analog I O connector A2A5J6 Connect a 0V 0 1mV d c reference voltage to EXT_REF pi...

Страница 178: ...ve output current Measure the cur rent by reading the voltage across the sense resistor Adjust as needed until the DVM reads as close as possible above the nominal full scale value within tolerance sp...

Страница 179: ...t to zero Adjust as needed until DVM reads 0V 1mV d c Press once 28 Press POSITIVE With DVM still connected to pin 6 IOUT_M_UNIT referenced to pin 1 SGND of the PAR SER CONTROL IN connector adjust as...

Страница 180: ...d not longer than 20 characters in length All alpha data must be upper case and no control nor space characters are allowed The Master calibration should never be overwritten Factory Master and First...

Страница 181: ...tax 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 m...

Страница 182: ...urn 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 calibration...

Страница 183: ...ister 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 VOLT...

Страница 184: ...ower supply Executing RST has the following effects Stops any LIST command that is running CURR MODE PAR B 35 and VOLT MODE PAR B 111 are both set to FIXed transient is inac tive VOLT PROT PAR B 113 a...

Страница 185: ...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 to...

Страница 186: ...xample 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 provide the c...

Страница 187: ...B 68 MEM LIST B 16 SOUR LIST DIV B 70 B 71 MEM LOC B 17 B 18 SOUR LIST DWEL B 72 B 73 MEM PACK B 19 SOUR LIST DWEL POIN B 74 MEM UPD B 20 SOUR LIST ERAS B 75 OUTP STAT B 21 B 22 SOUR LIST QUER B 76 B...

Страница 188: ...S B 119 B 120 SYST ERR CODE ALL B 160 B 161 SOUR VOLT PROT LIM BOTH B 121 B 122 SYST KEYB B 162 B 163 SOUR VOLT PROT LIM NEG B 123 B 124 SYST MDNS B 164 SOUR VOLT PROT LIM POS B 125 B 126 SYST MDNS IN...

Страница 189: ...on Cancels previously 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...

Страница 190: ...ode 2 Examples below are intended only to illustrate command functions Refer to PAR 3 5 2 for pro gramming techniques to optimize performance OUTP ON Turns the output on VOLT 21 CURR 1 5 Power supply...

Страница 191: ...ements match each setpoint change NOTE MEAS MODE syntax similar to MEAS RATE command see PAR B 12 for details found in previous Firmware versions is still supported B 11 MEASure MODE QUERY MEAS MODE S...

Страница 192: ...ype is SQUARE RAMP RAMP TRIANGLE SINE LEVEL value1 is frequency or period duration for level value2 is p p amplitude or amplitude offset for level value3 is offset optional default is 0 not applicable...

Страница 193: ...n channel whether voltage or current GAIN Configures the unit to use an external reference to provide a proportional output voltage ADD Sums the external reference with either the internal reference p...

Страница 194: ...ault for power up can be changed from the front panel see PAR 3 3 8 Upon entering Remote mode the output status is not affected For passive loads when OUTP OFF is executed the programmed values of vol...

Страница 195: ...ined by multiplying the time per sample x number of samples and subtracting it from the total time of the pulse 100 mS 0 1 0003125 x 16 0950000 LIST SAMPLE CURR 16 5 Creates the sample of the waveform...

Страница 196: ...OFF com mands from controlling the output 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 meas...

Страница 197: ...utput current will depend on load conditions Any data that exceeds IMAX causes error message 222 data out range to be posted to the error queue See example Figure B 1 B 28 SOURce CURRent LEVel IMMedia...

Страница 198: ...ong Form SOURce CURRent MODE FIXed LIST TRANsient nn EXTernal GAIN PROTect nn value time in Seconds for transient from 0 0005 to 2 0 Description Allows the user to execute or stop a list to execute a...

Страница 199: ...e intended only to illustrate command functions Refer to PAR 3 5 2 for pro gramming techniques to optimize performance CURR LIM Returns 28 28 positive and negative defaults for max current in current...

Страница 200: ...CURR PROT MODE Syntax Short Form SOUR CURR LEV PROT MODE Long Form SOURce CURRent LEVel PROTect MODE Returns FIXED EXTERNAL or LESS Description Identifies how current protection limits are controlled...

Страница 201: ...um maximum absolute value possible for the negative protection limit for cur rent This may be set up to 1 greater than rated current Requires MEM UPD PAR B 20 to save for power up See PAR 3 5 2 2 and...

Страница 202: ...to Voltage mode if load conditions cause the power supply to try to exceed the current limit the unit will flag an error condition When commanded to Current mode if load conditions cause the power sup...

Страница 203: ...points have been assigned dwell 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 Initializ...

Страница 204: ...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 time the list transitions...

Страница 205: ...Sets segment 4 as a 50 Hz sinewave 8V p p at 6V offset Voltage starts at 6V at 0 then rises as sine to 10V at 90 due to previous command LIST VOLT APPL SWE 0 Sets segment 5 start point at 0 and end po...

Страница 206: ...INE LEVEL value1 is frequency in Hz for LEVEL value1 is period duration in Seconds value2 is p p amplitude or amplitude offset for LEVEL in Amperes value3 is offset optional default is 0 not applicabl...

Страница 207: ...ncy for waveforms below 0 1Hz The value entered from 1 to 255 divides the frequency of waveforms see PAR B 66 for Current waveforms PAR B 96 for voltage waveforms This command is only effective for si...

Страница 208: ...eturn Value int_value Description Identifies first location to be queried by LIST VOLT LIST CURR LIST DWEL queries Related Commands LIST QUER LIST CURR LIST DWEL LIST QUER See example Figure B 6 B 78...

Страница 209: ...the current or voltage list otherwise a 226 Not Same Length error will result Only eight samples may be taken in a list If more than eight LIST SAMP CURR or LIST SAMP VOLT commands are included in th...

Страница 210: ...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...

Страница 211: ...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...

Страница 212: ...e LIST SET SAMPle COMMAND LIST SET SAMP Syntax Short Form LIST SET SAMP value Long Form LIST SET SAMPle value where value sample pulse duration between 0 00025 and 0 034 Seconds Description Establishe...

Страница 213: ...mand between 0 00025 and 0 034 Seconds Description Establishes the time out for a wait command If this command is not sent the time out period will be 0 indicating an infinite wait time See Figures B...

Страница 214: ...cept period duration in seconds for LEVEL or end point in V or A for SLOPE value2 is p p amplitude in V or A except amplitude offset in V or A for LEVEL or time in seconds for SLOPE value3 is offset o...

Страница 215: ...unit must wait until the trigger input goes high before proceeding to the next step In all cases the trigger input must be high or low for at least 0 4 mS to be considered stable This 0 4 mS delay pro...

Страница 216: ...will cause the BOP to increment the output to the next level Thus each time the host computer issues a positive pulse the BOP increments and the DVMs take measurements on the trailing negative going...

Страница 217: ...LIMit BOTH value where value is between zero and rated nominal output voltage Description Establishes the software limit value for output voltage i e sets the maximum value of positive or negative out...

Страница 218: ...returns to original value E g VOLT 25 sets the output to 25 volts and VOLT MODE TRAN 0 1 primes the unit for a transient of 0 1 Seconds When VOLT 10 is issued the power supply output goes to 10V for...

Страница 219: ...E Long Form SOURce VOLTage LEVel PROTect MODE Returns FIX EXT or LESS Description Identifies how voltage protection limits are controlled FIX for Fixed EXT for external LESS for the lesser of the inte...

Страница 220: ...ies the maximum value possible for protection limits for voltage positive negative maximum is 1 greater than rated output voltage B 123 SOURce VOLTage LEVel PROTect LIMit NEGative COMMAND VOLT PROT LI...

Страница 221: ...ion Register see Table B 4 The Operation Condition Register contains unlatched real time information about the operating conditions of the power supply Bit set to 1 function enabled active true bit re...

Страница 222: ...STAT 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 5 The Questionable...

Страница 223: ...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...

Страница 224: ...he front panel or using SYST COMM LAN commands are used for LAN communication When set to ON the unit obtains a valid IP address automatically B 142 SYSTem COMMunication LAN AUTO QUERY SYST COMM LAN A...

Страница 225: ...E MODELS ONLY Syntax Short Form SYST COMM LAN MASK Long Form SYSTem COMMunication LAN MASK Return Value int_value w x y z where w x y and z are numbers from 0 to 255 Description Indicates the static M...

Страница 226: ...data flow control via the serial interface is enabled XON or 00 when disabled NONE see PAR 3 5 6 2 1 B 157SYSTem COMMunication SERiaL PROMptCOMMAND SYST COMM SER PROM Syntax Short Form SYST COMM SER P...

Страница 227: ...Description Returns MDNS hostname Index number is not appended to the serial number if the index is 1 Example SYST MDNS returns BOP_10_100_E12345602 for a BOP 10 100ME with a serial number of E123456...

Страница 228: ...to Bipolar or Unipolar respectively B 171 SYSTem PASSword CENable COMMAND SYST PASS CEN Syntax Short Form SYST PASS CEN val Long Form SYSTem PASSword CENable val Description Sets the password enable s...

Страница 229: ...EE 488 2 Standard No effect on the device power supply only clears internal status registers DCL1 Device Clear functions identical to RST Output set to 0V voltage mode and output set to OFF except if...

Страница 230: ...nd CURR TRIG actual output voltage current is dependent upon the load Sending TRIG SOUR IMM causes the next VOLT TRIG or CURR TRIG to immediately program the output regardless of trigger arming RST se...

Страница 231: ...ich is not recognized 120 Numeric data error Command Error bit 5 Expected number but other characters were detected 123 Exponent too Large E8 Command Error bit 5 Exponent too large 203 Command Protect...

Страница 232: ...processor mem ory 340 Calibration Failed Device Error bit 3 1 The calibration results were invalid This normally indicates an incorrect calibration caused by oper ator error such as performing a curre...

Страница 233: ...power up see PAR 3 2 5 2 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 appropriate Graph time th...

Страница 234: ...tion To change Prompt highlight Prompt highlight desired selection When complete to apply changes and exit or to save for power up see PAR 3 5 3 3 How do I change between SCPI and CIIL Data Format hig...

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