9130B Series Triple Output Programmable DC
Contents
1. eeeeennennnnnnnnnnn 26 2 13 WAI OS apse ce pace vorrei E ILU DLE tr EUN MP EMI DE HIDE IE 29 4 14 Parameters in Series Parallel M ode eeemmmnnnn 30 4 15 Over Temperature Protection siscuseecirektissuriszrevFddbir tak oxorerOFtC Lco rero civ nmt t retia 30 2 10 RONO Sells coetus ce dpt bcao tes nitet c uu Mon sU APR cU uda uR DC 30 gt Remote Operatoren inresa EEEE EE 32 SI IMENE tonc eol e A i 32 b Remote Commands essendo ndn Rci Via IEEE ODU EFE UEE EXIT aaan 34 F TROUDIESNOOUING GUIOB casse dinisuvus isi Qi RS TVUVUNEVIMES VI VI UU QUCUNEEFECOPDOKPYERE 35 OU SOCCINCATIONS eoan ansaa T UV IURIS UEU EUR EVE IR SEINE ERUNT SES EIM VUE 36 9 CalDratlolisssnsns dar a RENT DRTIRNE ERR UU rrr rr EE EE 37 10 SERVICE INFORMATION nnn nnn nnn n n nnn 38 11 LIMITED THREE YEAR WARRANTY nnn nn nnn nnn 38 Xi 1 800 561 8187 www MU IM com information itm com 1 General Information 1 1 Product Overview The 9130B Series programmable triple output DC power supplies feature isolated outputs that can be adjusted independently They can be configured for series or parallel mode when connecting multiple channels together The front panel keys and the rotary knob provide a convenient means for setting values and adjusting parameters Built in memory supports storing and recalling user settings without the need to connect to an external PC A wide range of interface options enables remote control2. Figure 7 Scan System After the Scan System is complete the VFD will display as shown in Figure 9 H HHHV H BHBV GBB lt OFF gt DFF lt OFF gt Figure 9 Scan Complete Note The initial power on state is based on the settings in the Config configuration menu 14 1 800 561 8187 www MUI com information itm com Self test Errors The following errors will be displayed if the self test did not complete successfully Error M essage on Display Description EEPROM Fail The internal EEPROM is corrupted or damaged System Lost Last system settings within the EEPROM are lost M odel Fail Channel response failure Cal Lost Calibration data within the EEPROM is lost Fact Loss Factory calibration data is lost M odel Lost Channel initialization failed If any of these errors occur please contact B amp K Precision 15 1 800 561 8187 www MU IM com information itm com 3 Front Panel Operation At power on the power supply will automatically enter the front panel operation mode and the instrument can be controlled via the front panel keys and knob The power supply enters remote mode as soon as a valid remote command is received via the selected communication interface in the rear panel The VFD also displays a symbol in the lower left to indicate remote mode Switching to remote mode does not impact the supply s output parameters In remote mode front panel operation is disabled Only M ete
3. 1 800 561 8187 www MUI com information itm com Figure 13 Parallel Mode Wiring for All Channels 2 Verify all wiring is connected as illustrated 3 Power on the unit and verify that the outputs are turned off onoff Co button not illuminated 4 From the Power Combine Set menu select Para and press the Enter sutton 5 The following options are available CH1 CH2 CH14CH3 or ALL 6 Select ALL and press the Erter_ button The power supply will display Parallel Successful b HHBV Para Para JAHA HLL HLL Figure 14 All Channels Parallel Display 4 13 Tracking Mode This function configures the channels for tracking mode In tracking mode when a voltage or current parameter is changed channels change according to the ratio between channels 1 From the Power Combine Set menu select Track and press the button 2 Select one of the following CH14CH2 CH1 CH3 or ALL Then press the button The power supply will display Track Set Successful The E symbol will appear on the display to indicate tracking is enabled 29 1 800 561 8187 www MUI com information itm com Note Set the intended ratio before enabling tracking The tracking is based on a ratio between CH1 and CH2 when the tracking is enabled If the voltage is the same on both channels when set the two channels will track together based on a 1 to 1 ratio For example if CH1 1 V and CH2 22V a1 to 2 ratio is set when tracking is enabled With
4. is also accompanied by a maximum voltage of the circuit to be tested which defines the voltage impulses expected and required insulation clearances These categories are Category CAT I Measurement instruments whose measurement inputs are not intended to be connected to the mains supply The voltages in the environment are typically derived from a limited energy transformer or a battery Category II CAT II Measurement instruments whose measurement inputs are meant to be connected to the mains supply at a standard wall outlet or similar sources Example measurement environments are portable tools and household appliances Category III CAT III Measurement instruments whose measurement inputs are meant to be connected to the mains installation of a building Examples are measurements inside a building s circuit breaker panel or the wiring of permanently installed motors Category IV CAT IV M easurement instruments whose measurement inputs are meant to be connected to the primary power entering a building or other outdoor wiring Do not use this instrument in an electrical environment with a higher category rating than what 1 800 561 8187 www MUI com information itm com Is specified in this manual for this instrument You must ensure that each accessory you use with this instrument has a category rating equal to or higher than the instrument s category rating to maintain the instrument s category rating Failure to do so w
5. 1 800 561 8187 www MUI com information itm com 7 Troubleshooting Guide Below are some frequently asked questions and answers Please check if any apply to your power supply before contacting B amp K Precision General Q cannot power up the power supply Check that the power cord is securely connected to the AC input and there is live power from your electrical AC outlet Verify that the AC power coming from the mains contains the correct voltage The power supply can accept a specific range of AC input voltages Refer to section 2 1 Q How do I set up the supply to run in constant current mode The supply is a CV CC power supply that automatically crosses over from CV to CC upon a load which draws current at the current limit ISET Therefore it is dependent on the load For example if ISET is configured as 1 A the load must draw 1 A before the supply Will go into CC mode How come my display voltage is lower than the voltage I set This is often because of the resistances from the test leads wires connected between the supply and the DUT device under test which causes a drop in voltage To minimize this drop use remote sense terminals to compensate and output a more accurate voltage to the DUT cannot set voltage at the maximum rating This may be that the set voltage is outside of the voltage maximum limit Refer to the M axVolt section of the manual and set this value above the voltage that is being ent
6. 10 Return M eter for more information on this mode When output is ON the user can use the rotary knob to adjust the voltage value when the output is in constant voltage Ei amp s mode The same can be done to adjust the current value when output is in constant current 3 mode 17 1 800 561 8187 www MUI com information itm com 3 5 Over Voltage Protection OVP Over voltage protection can be set for each channel Follow the steps below Loca l Press e key to select the channel Shift OVP 2 Press Q followed by the button The display will show OVP Set and OFF ON options below 3 Usethe Ca gt keys to select OFF or ON to disable or enable OVP for the selected channel 4 Press and the display below OVP Set will indicate the OVP voltage limit 5 Use the numeric keypad rotary knob or the Up Down arrow keys ZU to change the desired voltage limit then press to confirm the changes 6 Repeat the above steps for setting each channel When OVP protection is tripped during operation the output will turn off and the power supply will display OVER VOLT To clear the trip status press any key once Note Avoid exceeding 120 of the rated voltage across the output terminals or it will damage the power supply 3 6 Save Recall Instrument Settings Up to 36 instrument settings can be saved recalled from the instrument s internal memory The settings that can be saved recalled are set voltage set current OVP settings
7. and maximum voltage limit settings Save Settings 1 Configure the settings you want to save and press Q key and button to enter Save mode Shift Save 2 The button will flash on and off until a Save location value is entered 3 Use the numeric keypad to enter the memory location between 1 and 9 Once the location number is entered the power supply will display Save Data Done and return to normal operation 4 To save more than 9 settings refer to 4 8 Memory Group 5 To exit Save mode at any time press key Recall Settings Save 1 Press button to enter Recall mode The button will be illuminated 2 Use the numeric keypad to enter the memory location between 1 through 9 to recall 18 1 800 561 8187 www MUI com information itm com saved settings from that location If the selected memory location does not have any saved settings the message Recall Data Empty will be displayed Note When in Recall mode users can recall settings from different locations without having to press additional keys each time For example you can press 1 to recall settings in location 1 and then press 5 to immediately recall settings in location 5 3 To exit Recall mode at any time press the button again or press 3 7 Key Lock The front panel keys can be locked to prevent unwanted changes to output settings and power supply configurations Follow the steps below to enable disable key lock 1 Press the d key and
8. connections when using a power supply with a rated output greater than 40V To protect personnel A against accidental contact with hazardous voltages ensure that the load and its connections have no accessible live parts Ensure that the load wiring insulation rating is greater than to the maximum output voltage of the power supply 12 1 800 561 8187 www MUI com information itm com 2 5 Carrying handle Adjustment To adjust the position grasp the handle by the sides and pull outward Then rotate the handle to the desired position Handle transport position Figure 7 Carrying Handle Be sure the handle is locked in position and avoid twisting movements while transporting as the handle can damage and drop the power supply 13 1 800 561 8187 www MU IM com information itm com 2 6 Preliminary Check Complete the following steps to verify that the power supply is ready for use l Verify AC Input Voltage Verify and check to make sure proper AC voltages are available to power the instrument The AC voltage range must meet the acceptable specification as explained in 2 1 Input Power and Fuse Requirements 2 Connect Power and Self Test Connect AC power cord to the AC receptacle in the rear panel and press the power switch to the ON position to turn ON the instrument It will run through a self test procedure After power on during the self test the following should be displayed on the VFD BIOS verl 1B
9. for USB configuration The only requirement is a USBTM C driver We recommend using the drivers provided by National Instruments which come included with NI VISA and can be downloaded here http www ni com visa 1 From the Config menu select Communication then press Enter 2 Use the GI keys to select the USB option then press Enter No other options are required GPIB Each model can be configured with a GPIB address from 1 31 To communicate via GPIB connect a GPIB cable to the GPIB interface on the rear panel as illustrated below Follow the instructions below to select and configure the GPIB interface for remote operation 1 From the Config menu select Communication then press Enter 2 Usethe GI keys to select the GPIB option then press Enter 3 Configure the GPIB Communication Address to which the power supply will be assigned Use the rotary numeric keypad AV keys or rotary knob to enter an Address value from 1 31 then press Enter 4 Make sure the address assigned to the power supply unit matches the address the data commands are being sent to 6 Remote Commands The instrument supports some SCPI commands and some instrument specific commands These commands enable a computer to remotely communicate and control the instrument over any of the supported remote interfaces USBTM C RS 232 and GPIB Refer to the programming manual for details which can be downloaded from www bkprecision com 34
10. inlet and exhaust openings for these fans must not be blocked nor must accumulated dust or other debris be allowed to reduce air flow Maintain at least 25 mm clearance around the sides of the instrument that contain air inlet and exhaust ports If mounted in a rack position power devices in the rack above the instrument to minimize instrument heating while rack mounted Do not continue to operate the instrument if you cannot verify the fan is operating note some fans may have intermittent duty cycles Do not insert any object into the fan s inlet or outlet 1 800 561 8187 www MU IM com information itm com Use correctly sized wires To connect a load to the power supply use a wire diameter large enough to handle the maximum continuous output short circuit current of the power supply without the wire overheating For continued safe use of the instrument e Do not place heavy objects on the instrument e Donotobstruct cooling air flow to the instrument e Donot place a hot soldering iron on the instrument e Donot pull the instrument with the power cord connected probe or connected test lead e Donot move the instrument when a probe is connected to a circuit being tested Vi 1 800 561 8187 www MUI com information itm com Compliance Statements Disposal of Old Electrical amp Electronic Equipment Applicable in the European Union and other European countries with separate collection systems This product is subject to Direc
11. limit and their output timer To access this menu press O key and then press the button Use the lt gt keys to select CH1 CH2 or CH3 and press the button Use the keys to select MaxVolt OutTimer or Exit and then press the Enter gt button MaxVolt This allows the user to set the maximum voltage that can be entered from the front panel to avoid accidental damage to DUT Device under test connected to the power supply The maximum voltage can be entered using the numeric keypad rotary knob or the Up Down arrow N V keys OutTimer 25 1 800 561 8187 www MU IM com information itm com This option will configure the internal output timer of the selected channel The timer can be set from 0 1 to 99999 9 seconds for each output This will configure the power supply to enable the output for the specified period of time This value can be set using the numeric keypad rotary knob or the Up Down arrow V keys Exit This option will exit the System menu and return to the Power Menu From the System menu level select Exit and press the button 4 12 Combined Series and Parallel Modes This section describes how to configure the power supply for series and parallel modes From the Power Menu Select Comb followed by the button The display will show four menu options OFF Series Para Track Each of these options are described below Figure 8 Normal Wiring OFF This option is used to disable series p
12. nnns 13 20 PREMNA NO Rm 14 3 FROME Panel Operation ssssssssssnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnan 16 31 Check M odel and Firmware Version cccccssesssssescsssresssseresssseeesssseresssseresssseressenetesens 16 32 OUEDHUECODEFKOL aerererteisisr nE EEEE EEEE EENET VERET EEEE AAEE EEEE ERTE 16 S MeT MO a a E E E E E 17 34 Setting Voltage and Current seeeeemmm nns 17 3 9 Over Voltage Protection OVP ose bevd r AE R PRU OY EE EN SVDNDANE 18 3 6 Save Recall Instrument Settings nennen 18 Bi ROY COCK 19 PP MEE UU ESI EU UE 19 4 MengpAccessand OPTIONS a seondo Or EOD ODORE VIR RR EODD CD UE REIR DA 21 4 1 How t Access the MON ostium PIECE RERperPe coU toU EUR emu a Mad Un quibua Ir CM edad 21 22 Mehl ODPOlISacesxniitutr aim urinis iM itd mI d EM nO MI DENDO III EUN 21 X 1 800 561 8187 www MU IM com information itm com 4 3 Output Poweron Stale acsi zero d vr Dr dE RR FRE E NE ELA RD M RERO REY XE ea NAA 22 CU PA CEC S vaneteatetcecaniastosvessns nea ncerttlanty dia aa EU AR GOD FRUDDES 22 AS LORK Uhlock ROY ATIDDceceeste itla ett OTU REEL Up HH PRPH LEPIDE PUPOD T IEEUn SEU EIE 22 40 BUZZ ON OT 23 AT COMMUN CANON esn R ee ee ee de eU RIDE 23 4o NUON icq 24 POCO CON E E E E E E E 24 Alo Retroe een E E EE E doa UNIS toners 24 a V MEN E Ua E E E 25 4 12 Combined Series and Parallel M odes
13. purchase B amp K Precision Corp will without charge repair or replace at its option defective product or component parts Returned product must be accompanied by proof of the purchase date in the form of a sales receipt To help us better serve you please complete the warranty registration for your new instrument via our website www bkprecision com Exclusions This warranty does not apply in the event of misuse or abuse of the product or as a result of unauthorized alterations or repairs The warranty is void if the serial number is altered defaced or removed B amp K Precision Corp shall not be liable for any consequential damages including without limitation damages resulting from loss of use Some states do not allow limitations of incidental or consequential damages So the above limitation or exclusion may not apply to you This warranty gives you specific rights and you may have other rights which vary from state to state B amp K Precision Corp 22820 Savi Ranch Parkway Yorba Linda CA 92887 www bkprecision com 714 921 9095 1 800 561 8187 www MUI com information itm com BK PRECISION 22820 Savi Ranch Parkway Yorba Linda CA 92887 www bkprecision com 2015 B amp K Precision Corp Printed in China v050615 1 800 561 8187 www MUI com information itm com
14. the USB interface for remote communication 2 To exit the menu at any time press the 2 key twice 23 1 800 561 8187 www MUI com information itm com GPIB 1 From the Config menu select GPIB and press the button This will select the GPIB interface for remote communication 2 Usethe Du keys to select Address 1 31 and press the button 3 To exit the menu at any time press the S key twice 4 8 Memory Group Up to 36 instrument settings can be stored into the instrument s non volatile memory The internal memory bank is divided into four groups They are Grol Grp2 Grp3 and Grp4 Each group can save 9 different operating states 1 9 From the Config menu select MemoryGroup and press the button Use the lt gt keys or rotary knob to select one of the four groups Grol Grp2 Grp3 or Grp4 and press the button To save the first 9 instrument settings select Grp 1 then exit the menu and follow the instructions in section 3 6 Save Recall Instrument Settings to save and recall settings To save additional settings select Grp 2 Grp3 or Grp4 then follow the same steps in section 3 6 4 9 Protocol Enter From the Config menu select Protocol and press the Enter gt button There are three options DEFAULT EXT1 LEGACY Select one of the options by using the lt gt keys or rotary knob and press the Enter Yp tton The DEFAULT option is recommended for most applications The LEGACY option supports c
15. the button A Lock s indicator will light up on the display indicating that the front panel keys are locked At this point all keys are disabled except for the oy vee Meter button and button Shift 2 To unlock the keys press the Q key and Conor button again The Lock amp indicator Will disappear and all keys will be enabled 3 8 Output Check Voltage Check Follow the steps below to check the voltage output with no load connected 1 Turn on the power li A dini look ne ule EN Figure 10 Voltage Check 2 Enable the output by pressing Coron the button will illuminate The FF gt will be replaced with a numeric value and a amp next to this value for each channel 3 Press the C Wet putton If it is illuminated to enter the settings mode 4 Press CT first and then a numeric value on the keypad and then press the button Note The button will automatically return to meter mode and illuminate after 5 seconds of a valid entry see 4 10 Return M eter to disable this 19 1 800 561 8187 www MUI com information itm com 5 J If the button is not already illuminated press it once and the display will show the measured voltage at the output This voltage may fluctuate slightly from the voltage value entered in the previous steps Optional You may also verify the output voltage by connecting the and terminals to an external voltmeter The measured value should match or be comparable
16. 8 2 mm 3 47 in x 445 mm 17 52 in W xH x D Note All dimensions in the figures below are measured in millimeters mm 88 2 mm 228 mm 228 mm 115 mm 115mm Rear View of 9130B Rear View of 9131B amp 9132B 1 800 561 8187 www MUI com information itm com 376 6 mm 108 8 mm Side View of 9130B 445 mm 108 8 mm Side View of 9131B amp 9132B 1 4 Rackmount Installation The instrument can be installed in a standard 19 inch rack using the optional IT E151 rackmount kit Below is an image of a 9130B Series model installed with the IT E151 rackmount kit Note Remove the carrying handle and the two plastic ears before mounting the instrument To remove the handle grasp the handle by its sides pull outwards and rotate it until the arrow on the handle and the arrow on the plastic ears are in opposite directions Then pull the handle outward After removing the handle you can use a screwdriver to remove the two plastic ears 1 800 561 8187 www MUI com information itm com To rackmount two instruments side by side order rackmount kit IT E151 and remove the front panel cover 1 800 561 8187 www MUI com information itm com 1 5 Front Panel Overview Figure 1 Front Panel Front Panel Description VFD display Shift key Local key Power key Numeric keys Function keys Cursor k
17. 8187 www MUI com information itm com Step 2 Check and or Change Line Voltage Switch Locate the Line Voltage Switch which has markings that indicate 110 for 110V or 220 for 220V line operation Depending on the model the Line Voltage Switch will be located either on the rear or bottom of the instrument Set the switch to the desired line voltage operation Rear Panel Bottom View Line Voltage Switch Front Panel Figure 6 Line Voltage Switch Location Do not connect power to the instrument until the line voltage selection is setup correctly Applying an incorrect line voltage or configuring the line voltage selection improperly may damage the instrument and void all warranty Any disassembling of the case or changing the fuse not performed by an authorized service technician Will void the warranty of the instrument 11 1 800 561 8187 www MU IM com information itm com 2 4 Output Connections The main DC output terminal is a binding post terminal on the front panel Before connecting wires to the output terminals turn OFF the power supply to avoid damage to the instrument and the device under test DUT For safety load wires must have a wire gauge size large enough to prevent overheating when the power supply operates at maximum short circuit output current It will also prevent large voltage drops from resistances in the wires SHOCK HAZARD Hazardous voltages may exist at the outputs and the load
18. Accuracy x 9o output offset Voltage 1 800 561 8187 www MUI com information itm com lt 0 1 8 mA Ch1 and Current lt 0 196 5 mA Ch2 lt 0 196 5 mA 0 1 5 mA Ch3 Readback Accuracy x 9o output offset 0 03 10 mV 0 0396 10 mV 0 03 10 mV 0 1 8 mA Ch1 and Current lt 0 196 5 mA Ch2 lt 0 196 5 mA 0 1 5 mA Ch3 Series Accuracy Combined M ode lt 0 05 10 mA Parallel Accuracy Combined M ode Voltage lt 0 02 5 mV lt 0 1 20 mA 4 memory groups with 9 locations in each group Remote USB USBTM C compliant GPIB RS 232 Interface AC Input 110 220 VAC 10 96 47 Hz 63 Hz 32 Fto 104 F 0 Cto 40 C Temperature Mis 4 F to 158 F 20 C to 70 C Temperature 0 45 x 3 47 x 13 96 214 5 x 88 2 x 354 6 8 45 x 3 47 x 17 52 214 5 x 88 2 x 445 mm Dimensions W XH xD 16 98 Ibs 7 7 kg 33 07 Ibs 15 kg To ensure the most current version of this manual please visit www bkprecision com mm 9 Calibration We recommend a calibration interval of once per year to ensure that the power supply meets specifications 1 800 561 8187 www MUI com information itm com 10 SERVICE INFORMATION Warranty Service Please go to the support and service section on our website at www bkprecision com to obtain a RMA X Return the product in the original packaging with proof of purchase to the address below Clearly state o
19. E 2 ECcTBETP728 I Urge h d V BK 9130B Series Triple Output Programmable DC Power Supplies Models 9130B 9131B 9132B USER MANUAL 1 800 561 8187 www MUI com information itm com Safety Summary The following safety precautions apply to both operating and maintenance personnel and must be followed during all phases of operation service and repair of this instrument Before applying power to this instrument e Read and understand the safety and operational information in this manual e Apply all the listed safety precautions e Verify that the voltage selector at the line power cord input is set to the correct line voltage Operating the instrument at an incorrect line voltage will void the warranty e Make all connections to the instrument before applying power e Do not operate the instrument in ways not specified by this manual or by B amp K Precision Failure to comply with these precautions or with warnings elsewhere in this manual violates the safety standards of design manufacture and intended use of the instrument B amp K Precision assumes no liability for a customer s failure to comply with these requirements Category rating The IEC 61010 standard defines safety category ratings that specify the amount of electrical energy available and the voltage impulses that may occur on electrical conductors associated with these category ratings The category rating is a Roman numeral of Il Ill or IV This rating
20. arallel or tracking modes 1 From the Power Combine Set menu select OFF and press the Enter button 2 The power supply will momentarily display Remove Successful Before returning to normal display Series M ode The series mode doubles the available voltage range that can be supplied by combining the voltage of channels 1 and 2 The following steps will describe the external wiring and instrument setup required to use this feature 1 Power down the unit and remove all wiring from the output terminals 2 Verify all wiring is connected as illustrated below 26 1 800 561 8187 www MUI com information itm com Figure 9 Series Mode Wiring Diagram Lock 3 Power on the unit and verify that the outputs are disabled On Off button is not illuminated 4 From the Power Combine Set menu select Series and press the Emer button 5 As CH14Ch2 is blinking press the Enter button The power supply will display Series Successful The display should look like the one shown below Series and CH1 42 will be shown in the middle of the display Denies CH1 2 Figure 10 Display Series CH1 2 6 Set the voltage and current for CH1 2 and CH3 7 Enable the outputs by pressing the Conor button 8 Ifthe Meter button is not illuminated press the meter button once to display the measured voltage and current at the output Para Parallel Mode The Parallel mode will increase the available current ran
21. arized with its menu structure and learn how to view or change settings and parameters Follow the steps below to guide you in selecting the menu options Shift Menu 1 From the normal display press the OQ key and the button to enter the menu 2 Usethe keys or encoder knob to move through the menu selections 3 When the selected item is blinking press the button to access its menu settings There may be parameters or options to select within each menu item Follow the same instructions as described in the previous steps to select them 4 To save changes to a setting press the Enter button To exit the menu at any time press the submenu 4 2 Menu Options key multiple times Each press exits out of a All settings and parameters can be configured from the built in menu system of the power supply The menu system is divided into the following sections as displayed on the power supply Config System 1 800 561 8187 OutState OutParam Knob Buzzer Communication MemoryGroup Protocol ReturnM eter Reset Exit CH1 E Reemi www MUI com Set the output state during power on Set the power on parameters Lock unlock the rotary knob Enable disable instrument beeper Select and configure RS232 GPIB and USB interfaces Select memory group Select SCPI options Enable automatic return state Reset menu Move up menu structure Configure channel 1 21 information itm com Comb Exit CH2 Co
22. e touching any internal parts Verify the voltage sensing device is working properly before and after making the measurements by testing with known operating voltage sources and test for both DC and AC voltages Do not attempt any service or adjustment unless another person capable of rendering first aid and resuscitation is present Do not insert any object into an instrument s ventilation openings or other openings Hazardous voltages may be present in unexpected locations in circuitry being tested when a fault condition in the circuit exists Fuse replacement Fuse replacement must be done by qualified service trained maintenance personnel who are aware of the instrument s fuse requirements and safe replacement procedures Disconnect the instrument from the power line before replacing fuses Replace fuses only with new fuses of the fuse types voltage ratings and current ratings specified in this manual or on the back of the instrument Failure to do so may damage the instrument lead to a safety hazard or cause a fire Failure to use the specified fuses will void the warranty Servicing Do not substitute parts that are not approved by B amp K Precision or modify this instrument Return the instrument to B amp K Precision for service and repair to ensure that safety and performance features are maintained Cooling fans This instrument contains one or more cooling fans For continued safe operation of the instrument the air
23. ect the S to the Device Under Test DUT s positive terminal and connect the S to the DUT s negative terminal Double check that the connections matches to Figure 20 4 Power ON the supply and then configure and enable the output DO NOT at any time disconnect the wires from the S and S terminals to the DUT while output is enabled ON Doing so may damage the power supply and cause unstable output w 5 Remote Operation The power supply comes standard with RS232 USB and GPIB remote interfaces Users can program the power supply by using SCPI Standard Commands for Programmable Instruments commands over any one of the remote interfaces This section will describe how to set up all of the supported interfaces Note The indicator will appear on display when the power supply is successfully connected to a PC remotely through any remote interface Keys on the front panel will be locked until the instrument is in LOCAL mode To return to LOCAL mode from the front panel ves 0 The indicator will disappear when the instrument is in LOCAL mode 5 1 Interface Configuration RS 232 For RS 232 connectivity refer to the diagram below for pin out information The RS 232 is labeled in the rear panel and it is a female DB 9 interface 32 1 800 561 8187 www MUI com information itm com D IN Description Transmit Data Receive Data 1 2 3 4 D GND 6 7 8 9 F igure 18 RS 232 Pin out A st
24. ere are two options that can be selected by using the keys or rotary knob Unlock Enable rotary knob 22 1 800 561 8187 www MUI com information itm com Lock Disable rotary knob 3 To exit the menu at any time press the Ed key twice 4 6 Buzzer On Off This option enables or disables the instrument beeper 1 From the Config menu select Buzzer and press the Emer button 2 There are two options that can be selected by using the Ca L gt keys or rotary knob 3 Select one of two options below then press the button OFF Beep is turned off ON Beep is turned on 4 To exit the menu at any time press the 2 key twice 4 7 Communication Follow the instructions below to select and configure the remote interface RS232 1 From the Config menu select RS 232 and press the Enter button This will select the RS 232 interface for remote communication 2 There are four options that can be selected by using the lt gt keys or rotary knob 3 Usethe AV to select the Baud Rate 4800 9600 19200 38400 57600 or 115200 and press Enter sutton 4 Usethe NV keys to select the Parity N None O Odd or E Even and pressthe button 5 Use the V to select the Control Flow Single or Mux and press the button 6 To exit the menu at any time press the 2 key twice Factory default 4800 8 N 1 Single USB 1 From the Config menu select USB and press the Enter button This will select
25. ered This can also be set to the limit of the power supplies range which in effect turns off the M axVolt function o Remote Control Q I am trying to send the commands over RS232 but it does not seem to respond Check that you are sending ASCII strings that are terminated with a CR carriage return and LF linefeed character For RS 232 check that the baud rate parity data bits stop bit and flow control settings match with the settings configured on both the software interface and the power supply 35 1 800 561 8187 www MU IM com information itm com 8 Specifications Note All specifications apply to the unit after a temperature stabilization time of 15 minutes over an ambient temperature range of 23 C 5 C Specifications are subject to change without notice Environmental Conditions This power supply is designed for indoor use and operation with maximum relative humidity of 80 Model 9130B BB X X 0912B Output Rating 0 30 V Ch 1 and Ch2 0 30 V Ch 1 and Ch2 0 60 V Ch 1 and Ch2 0 5 V Ch3 0 5 V Ch3 0 5 V Ch3 Current 0 3 A Ch 1 and Ch2 0 6 A Ch 1 and Ch2 0 3 A Ch 1 and Ch2 0 3 A Ch3 0 3 A Ch3 0 3 A Ch3 Line Regulation Load Regulation Ripple and Noise Voltage snama Madoa Lana Temperature Coefficient 0 C to 40 C output offset typical Voltage lt 0 03 10 mV 501965 mA Programming Resolution Readback Resolution Programming
26. eys Output terminals CONO CHESEONBOMEO Rotary knob 1 800 561 8187 www MUI com information itm com 1 6 Rear Panel Overview Figure 2 Rear Panel Rear Panel Description Cooling fan Remote sense terminal AC power input receptacle amp fuse box RS 232 interface USB interface GPIB interface G G O O 1 800 561 8187 www MUI com information itm com 1 7 Keypad Overview Lock Figure 3 Keypad Keypad Description Shift key Enables access to secondary functions Labeled in blue Local key Sets the instrument back to local mode Power key Power on the Instrument OLO Numeric keypad Enters numeric values for various parameters Local Power OVP V set OVP button Configures output voltage or sets the overvoltage protection point for the power supply Menu l set Menu button Configures output current or allows access to the power supply menu settings Save Recall Save button Saves and recalls instrument settings Recall i Meter E Switches from set value display to measured output value display j Enter Confirms setting Lock Output Lock button On Off Controls output On Off state of the power supply or used to lock the front panel buttons Left Right arrow keys Adjusts cursor position or select menu items Up Down arrow keys AST Used to select menu items or increase decrease output voltage or current values S Esc key Cancel and return to
27. ge that can be supplied by combining channels 1 and 2 2 and 3 or All The following steps will describe the external wiring and menu options for combining channels CH14CH2 1 Power down the unit and remove all wiring from the output terminals 21 1 800 561 8187 www MUI com information itm com Figure 11 Parallel Mode Wiring Diagram 2 Verify all wiring is connected as illustrated 3 Power on the unit and verify that the outputs are turned off the On Off Lock button is not illuminated 4 From the Power Combine Set menu select Para and press the button 5 The following options are available CH1 CH2 CH14CH3 or ALL 6 Select CH14CH2 and press the E button The power supply will display Parallel Successful s lH Ay Para CARRY HAHA CHI 2 2 BBBH Figure 12 CH1 CH2 Parallel Display mv jm rr Cu t E 7 Set the voltage and current max current will be the sum of the combined channels 8 Enable the outputs by pressing the enter Conor button which will illuminate 9 Ifthe Meter button is not illuminated press the button once to enable the measured voltage and current at the output Note For combining CH14CH3 follow the same steps and select CH14CH3 for the option in step 5 Parallel ALL M ode The following steps will describe the external wiring and menu options for combining ALL channels 1 Power down the unit and remove all wiring from the output terminals 28
28. ill lower the category rating of the measuring system Electrical Power This instrument is intended to be powered from a CATEGORY Il mains power environment The mains power should be 120 V RM Sor 240 V RMS Use only the power cord supplied with the instrument and ensure it is appropriate for your country of use Ground the Instrument To minimize shock hazard the instrument chassis and cabinet must be connected to an electrical safety ground This instrument is grounded through the ground conductor of the supplied three conductor AC line power cable The power cable must be plugged into an approved three conductor electrical outlet The power jack and mating plug of the power cable meet IEC safety standards Do not alter or defeat the ground connection Without the safety ground connection all accessible conductive parts including control knobs may provide an electric shock Failure to use a properly grounded approved outlet and the recommended three conductor AC line power cable may result in injury or death Unless otherwise stated a ground connection on the instrument s front or rear panel is for a reference of potential only and is not to be used as a safety ground Do not operate in an explosive or flammable atmosphere Do not operate the instrument in the presence of flammable gases or vapors fumes or finely divided particulates The instrument is designed to be used in office type indoor environments Do not o
29. lability from a PC Features 3 independent fully programmable and electrically isolated outputs Front and rear panel output terminals Remote Sense on all channels Display Voltage and Current of all 3 channels simultaneously RS232 USB GPIB remote interfaces Series parallel and tracking modes Output timer function 0 1 99999 9 seconds Store recall up to 36 instrument settings Bright and easy to read display VFD technology OVP OCP OTP Protection Compact half rack 2U form factor 1 2 Package Contents Please inspect the instrument mechanically and electrically upon receiving it Unpack all items from the shipping carton and check for any obvious signs of physical damage that may have occurred during transportation Report any damage to the shipping agent immediately Save the original packing carton for possible future reshipment Every power supply is shipped with the following contents e 1x9130B 9131B or 9132B Power Supply 1 x User Manual 1 x AC Power Cord 1 x Certificate of Calibration x Test Report Verify that all items above are included in the shipping container If anything is missing please contact B amp K Precision 1 1 800 561 8187 www MUI com information itm com 1 3 Product Dimensions The 9130B power supply s dimensions are approximately 214 5 mm 8 44 in x 88 2 mm 3 47 in x 354 6 mm 13 96 in W xH x D The 9131B and 9232B power supply s dimensions are approximately 214 5 mm 8 44 in x 8
30. n the RMA the performance problem and return any leads probes connectors and accessories that you are using with the device Non Warranty Service Please go to the support and service section on our website at www bkprecision com to obtain a RMA Return the product in the original packaging to the address below Clearly state on the RM A the performance problem and return any leads probes connectors and accessories that you are using with the device Customers not on an open account must include payment in the form of a money order or credit card For the most current repair charges please refer to the service and support section on our website Return all merchandise to B amp K Precision Corp with prepaid shipping The flat rate repair charge for Non Warranty Service does not include return shipping Return shipping to locations in North America is included for Warranty Service For overnight shipments and non North American shipping fees please contact B amp K Precision Corp B amp K Precision Corp 22820 Savi Ranch Parkway Yorba Linda CA 92887 www bkprecision com 714 921 9095 Include with the returned instrument your complete return shipping address contact name phone number and description of problem 11 LIMITED THREE YEAR WARRANTY B amp K Precision Corp warrants to the original purchaser that its products and the component parts thereof will be free from defects in workmanship and materials for a period of three years from date of
31. nfigure channel 2 CH3 Configure channel 3 Off Turns off series parallel or tracking mode Series Configure series mode Para Configure parallel mode Track Configure tracking mode M ove up menu structure 4 3 Output Power on State The initial power on state of the power supply outputs can be configured l a eee From the Config menu select OutState and press the Enter button There are two options that can be selected using the Ca keys or rotary knob OFF Default output state Last Last output state during the last power off Select OFF or Last and press the Cente button To exit the menu at any time press twice 4 4 Output Parameters This option sets the voltage and current output state values at power on l 2 3 From the Config menu select OutParam and press the Enter button There are two options that can be selected using the lt gt curser keys or rotary knob Reset Restores the default voltage current and output states based on factory default parameters Keep Restores the voltage current and output states for each channel based on the settings during last power off Trigger Select the desired settings for power on and press the button to save changes 5 To exit the menu at any time press the 2 key twice 4 5 Lock Unlock Rotary Knob This option enables or disables the rotary knob l 2 From the Config menu select Knob and press the button Th
32. ompatibility with B amp K Precision 9130 Note EXT1 is not used 4 10 Return Meter This option allows users to enable an internal fixed timer delay 5 seconds for the power supply to automatically switch from settings mode to meter mode When enabled it will automatically switch to meter mode after 5 seconds The backlight of the Meter Jp tton Will 24 1 800 561 8187 www MUI com information itm com illuminate In this state pushing the button again to toggle back to settings mode will reset the 5 second timer again before the supply changes back to meter mode From the Config menu select ReturnM eter and press the button l There are two options that can be selected by usingthe lt gt keys or rotary knob Select OFF or Wait5Sec and press the button Reset Note Restoring the instrument to default values will change all current instrument settings and parameters back to their default values All instrument settings can be reset back to their factory default values by doing the following From the Config menu select Reset and press the button 1 There are two options that can be selected by using the keys or rotary knob select NO to exit or YES to proceed and press the button Exit This option will exit the Systems menu and return to the Power Menu From the Config menu level select Exit and press the button 4 11 System Menu The system menu allows configuration of each channel s maximum voltage
33. perate the instrument e Inthe presence of noxious corrosive or flammable fumes gases vapors chemicals or finely divided particulates e In relative humidity conditions outside the instrument s specifications e In environments where there is a danger of any liquid being spilled on the instrument or 1 800 561 8187 www MUI com information itm com where any liquid can condense on the instrument e In air temperatures exceeding the specified operating temperatures e In atmospheric pressures outside the specified altitude limits or where the surrounding gas is not air e nenvironments with restricted cooling air flow even if the air temperatures are within specifications e n direct sunlight This instrument is intended to be used in an indoor pollution degree 2 environment The operating temperature range is 0 C to 40 C and the operating humidity range is up to 80 relative humidity with no condensation allowed M easurements made by this instrument may be outside specifications if the instrument is used in non office type environments Such environments may include rapid temperature or humidity changes sunlight vibration and or mechanical shocks acoustic noise electrical noise strong electric fields or strong magnetic fields Do not operate instrument if damaged If the instrument is damaged appears to be damaged or if any liquid chemical or other material gets on or inside the instrument remove the instrument s po
34. previous menu Je 1 800 561 8187 www MUI com information itm com 1 8 Display Overview Figure 4 Display Display Description Indicates output is off E TI ek Rad EN Indicates constant voltage mode Indicates constant current mode Indicates the shift button is pressed Tracking mode enabled hiad Indicates remote mode ji Keyboard lock enabled Indicates the channel currently selected 1 800 561 8187 www MUI com information itm com 2 Getting Started Before connecting and powering up the instrument please review and go through the instructions in this chapter 2 1 Input Power and Fuse Requirements The supply has a selectable AC input that accepts line voltage input within Voltage 110 V 10 96 or 220 V 10 96 Frequency 47 Hz 63 Hz Before connecting to an AC outlet or external power source be sure that the power switch is in the OFF position and verify that the AC power cord including the extension line is compatible with the rated voltage current and that there is sufficient circuit capacity for the power supply Once verified connect the cable firmly The included AC power cord is safety certified for this instrument operating in rated range To change a AN cable or add an extension cable be sure that it can meet the required power ratings for this instrument Any misuse with wrong or unsafe cables will void the warranty SHOCK HAZARD The power cord provides a chassis g
35. r and Local Loca buttons are enabled If the power supply is in remote mode and the 9 key is enabled you Local can revert to manual mode by pressing the 9 key The power supply is in Meter mode when it is powered on In this mode the VFD will display the output voltage and current The output of the power supply can be enabled disabled from the front panel by pressing the Conor button When output is enabled the supply will the state and voltage current of each channel Ex represents constant current mode 2 represents constant voltage mode This is indicated for each channel independently When bul is disabled the VFD will display lt OFF gt for each channel if the supply is in M eter mode If the supply is not in M eter mode I SET current settings of each channel will be displayed 3 1 CheckModel and Firmware Version Shift The firmware version model and serial number can be verified by pressing the Y followed na by Info This information can also be acquired by using the IDN remote command via any of ther reote interfaces connected to a computer 3 2 Output Control Pressing the Cor button toggles the output state of all 3 channels of the power supply To control the output state of each channel individually ress CO Oo 1 O for channels 1 2 or 3 respectively 16 1 800 561 8187 www MUI com information itm com 3 3 Meter Mode The power supply can display the set vol
36. raight pin to pin DB9 female to DB9 male serial cable is required for using the RS 232 interface Do not use a null modem or crossover DB9 serial cable Follow the steps below to configure the power supply for RS 232 operation 1 From the Config menu select Communication and press the button 2 Press the eye until RS 232 is blinking and press the button The configurable options are Baud rate 9600 default 19200 38400 57600 115200 Parity data bits None 8 bits default Even 8 bits Odd 8 bits Address Single M ux 3 Usethe G keys to select the option and the V keys to change settings When all three options are set press the button 4 If MUX mode has been selected specify the ADDR using the keypad or V and press the button Note The RS 232 interface does not have a flow control mechanism The programmer should be aware of this limitation and allow sufficient command process time If the remote commands are sent too fast the power supply s internal buffer may overrun and cause a communication error Therefore adding a delay between commands to allow for sufficient time to process commands is required 5 All serial settings must match the settings configured on the PC in order for 33 1 800 561 8187 www MU IM com information itm com communication to link successfully USB All models include a USBTM C compliant interface that can be used for remote communication There are no settings in the menu system
37. round through a A third conductor Verify that your power outlet is of the three conductor type with the correct pin connected to earth ground 1 800 561 8187 www MU IM com information itm com 2 2 Fuse Requirements An AC input fuse is necessary when powering the instrument The below table shows the fuse required for all models operating with either 110V AC or 220V AC input Table 2 1 Fuse Table Model Fuse Specification 110V AC Fuse Specification 220V AC 9130B 6 3A 250V 3 15A 250V 9131B 10A 250V 5A 250V 9132B 10A 250V 5A 250V 2 3 Line Voltage Selection The power supplies can be selected to operate with 110 V input or 220 V input To ensure that your instrument is properly configured to operate at the desired AC line voltage please follow the steps below For safety no power should be applied to the instrument while changing line voltage operation Disconnect all cables connected to the instrument before proceeding Step 1 Check and or Change Fuse Locate the fuse box next to the AC input connector in the rear panel see Figure 2 With a small flat blade screwdriver insert into the fuse box slit to pull and slide out the fuse box as indicated below Check and replace fuse if necessary for the desired line voltage operation see Table 1 Fuse Table j g T Fuse box slit lt Fuse box Check Remove Fuse Figure 5 Fuse replacement 10 1 800 561
38. t avoided will result in minor or moderate injury WARNING indicates a hazardous situation which if not avoided could result in death or serious injury DANGER indicates a hazardous situation which if AA not avoided will result in death or serious injury 1 800 561 8187 www MU IM com information itm com Table of Contents Compilance Statements oecsaecuuman nas qr en Ro Ee Hu vatis tubo Bros da pd rid oma DIU C Poner a pid ELE vil INE ONS et ea eect C duaataaeeesees IX L General INIGHNAUON eon nce 1 LL Prod ctOveriEW en ee ee ena ee ne eee 1 12 Parade CONN ce eee eee 1 13 Product Dimensions ccccccsessceessssreesessreesenreesessteesenseessenseessestessensteesenstessenstessenanessenategs 2 1 4 Rackmount false BIO ONT eet pera ee es 3 1 5 Front Panel OVO VIGW s nsecinxtcurieuci risen torta mrberrnte rtr retUmy Ceca erste ceeieta a Puer ir cretri 5 Lo Roar Pda OVOPVIBW erano vu tice Pret eos sno hide dab nda ati vacide p eria 6 2200 0 019 1 27 ne ee 7 Le Diepiay OVETVIEW eesseerebuxemibade e cuion emus amer Aaa SENE aai 8 2 etd SLANE OG e E E EE EE E EEE 9 2 1 Input Power and Fuse Requirements eeennnnnennnnnnns 9 204 PEERU NE enai E E E A PESE 10 2 3 Line Voltage Selection sssssseennnnnnnnennnn nennen 10 Z4 COICO UE CODnectloliSetoomapbnd ti Poasis a dE Edd un diras PURO oram id BubrRL ONES 12 25 Carrying handle Adjustment ssseenenenennnnnnnnnnn
39. tage and current values or the measured voltage and current readings Press the button to toggle between displaying settings and measured readings When the Meter Y tton is illuminated the display shows the measured voltage and current readings When it is not illuminated the display shows the set voltage and current values 3 4 Setting Voltage and Current Follow the steps below to set the output voltage or current The values can be entered using the numeric keypad rotary knob or the Up Down arrow keys V Local 1 Usingthe keypad Press 9o key to select channel selected channel is indicated by s press CT for voltage or CSET tor current and the button will illuminate Then enter a numerical value on the keypad followed by Enter Local 2 Usingthe rotory knob Press key to select channel Selected channel is indicated by zi press SE for voltage or CSET tor current then press lt gt to move the cursor position and adjust the voltage or current value using the rotory knob Local 3 Using the Up Down arrows Press key to select channel selected channel is OVP Menu indicated by 33 press SE for voltage or HET for current then press C 92 to move the cursor position and adjust the voltage or current value using LN Note To see the voltage and current setting changes make sure the instrument is not displaying in meter mode button is not illuminated in this mode See 4
40. this ratio a voltage increase on CH1 from 1 to 2 volts will result in 4 volts on CH2 Tracking function is disabled if 0 V or 0 A is set when tracking is enabled 4 14 Parameters in Series Parallel M ode Maximum voltage When operating in Series mode voltages between channels add In Parallel mode the voltage equals the maximum voltage of the lowest voltage channel Table 4 1 Maximum Voltage in Series Parallel M odes 9130B 91318 9132B Series CHI4CH2 M ax Voltage 122V Parallel CH1 CH2 M ax Voltage Parallel CH24CH3 M ax Voltage 4 15 Over Temperature Protection If the internal temperature of the power supply exceeds 176 F 80 C the instrument will protect itself by automatically turn the output off When this happens the instrument beeper will turn on and the display will indicate Over Temp It is recommended that the power supply be disconnected from the DUT and powered off to allow the supply to cool down to normal operating temperature 4 16 Remote Sense Remote sense can be used to compensate for voltage drops up to 1 V due to resistance from test leads connected to your device under test DUT thus providing more accurate output voltage The power supply is initially set up to local sense mode by default Refer to the following sections for details of local and remote sense setup Local Sense By default the power supply is set up for local sense with jumpers installed This is determined 30 1 800 561 8187 w
41. tive 2002 96 EC of the European Parliament and the Council of the European Union on waste electrical and electronic equipment WEEE and in jurisdictions adopting that Directive is marked as being put on the market after August 13 2005 and should not be disposed of as unsorted municipal waste Please utilize your local WEEE collection facilities in the disposition of this product and otherwise observe all applicable requirements Vil 1 800 561 8187 www MUI com information itm com CE Declaration of Conformity This instrument meets the requirements of 2006 95 EC Low Voltage Directive and 2004 108 EC Electromagnetic Compatibility Directive with the following standards Low Voltage Directive EN61010 1 2001 EMC Directive EN 61000 3 2 2006 EN 61000 3 3 19954A1 2001442 2005 EN 61000 4 2 3 4 5 6 11 EN 61326 1 2006 viii 1 800 561 8187 www MU IM com information itm com Safety Symbols Refer to the user manual for warning information to avoid hazard or personal injury and prevent damage to instrument Electric Shock hazard On Supply This is the AC mains connect disconnect switch on the front of the instrument r L connect disconnect switch on the front of the instrument Alternating current Fuse Symbol O Off Supply This is the AC mains L Chassis earth ground symbol Ground terminal Protective earth ground CAUTION indicates a hazardous situation which if no
42. to the entered voltage value Verify channels 2 and 3 according to steps 1 through 6 Current Check Follow the steps below to check current output of the power supply l 2 3 Turn off all output channels Cover not illuminated The display will show the FF annunciator for all channels on the display Short the and output terminals for CH1 with test leads or a shorting bar Set the power supply to settings mode press so that it is not illuminated Press the button first and then enter the value i e 1 000 A on the keypad and press the button The current display will now show the value you entered Enable the output by pressing the button The IF annunciator will be replaced with a amp 3 next to the value entered indicating the power supply is in constant current mode This numeric value may fluctuate slightly from the current value entered in step 4 Optional You may also verify the output current by connecting the and terminals to an external current meter capable of measuring the current that you set The measured value should match or be comparable to the entered current value Verify channels 2 and 3 according to steps 1 through 6 Press the power switch to turn off the power supply and remove the short on the output terminals 20 1 800 561 8187 www MUI com information itm com 4 Menu Access and Options 4 1 How to Access the Menu Before using the instrument it is important to be famili
43. wer cord remove the instrument from service label it as not to be operated and return the instrument to B amp K Precision for repair Notify B amp K Precision of the nature of any contamination of the instrument Clean the instrument only as instructed Do not clean the instrument its switches or its terminals with contact cleaners abrasives lubricants solvents acids bases or other such chemicals Clean the instrument only with a clean dry lint free cloth or as instructed in this manual Not for critical applications This instrument is not authorized for use in contact with the human body or for use asa component in a life support device or system Do not touch live circuits Instrument covers must not be removed by operating personnel Component replacement and internal adjustments must be made by qualified service trained maintenance personnel who are aware of the hazards involved when the instrument s covers and shields are removed Under certain conditions even with the power cord removed dangerous voltages may exist IV 1 800 561 8187 www MUI com information itm com when the covers are removed To avoid injuries always disconnect the power cord from the instrument disconnect all other connections for example test leads computer interface cables etc discharge all circuits and verify there are no hazardous voltages present on any conductors by measurements with a properly operating voltage sensing device befor
44. ww MUI com information itm com by the wire connections in the rear panel as shown below S S S S F St S Figure 15 Jumpers installed for local sense DO NOT disconnect the jumpers if remote sense is not used Doing so will cause erratic behavior and may damage the power supply under certain conditions A Never connect any power source into any of the terminals at any time during operation When output is enabled DO NOT use your hands to touch the terminals or the screws that are designed to tighten wires to the terminals Doing so may create a shock hazard under high voltage output conditions Remote Sense To enable remote sense follow the steps below for each channel 1 Power OFF the supply and disconnect all loads and cables connected to it 2 Use a small flat blade screwdriver to loosen and remove the jumper wires as shown below CH1 4 p CH2 4 CH3 4 E E Ln La Ll ln La Ln ls la Ae fs ld Lal S S H ses T s s T Figure 16 Sense jumpers removed 1 Connect wires to the DUT as illustrated in Figure 20 Make the connections between and S4 and S and for each channel that will be using remote sense The S4 and S wires should be twisted as illustrated to minimize noise 3l 1 800 561 8187 www MUI com information itm com P as p Toe a i m a a a m a St S HSS S S t Figure 17 Remote sense connections 2 Conn
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