Model 9129B Triple Output Programmable DC
Contents
1. a mg a Vi FEI TI V BK Model 9129B Triple Output Programmable DC Power Supply USER MANUAL 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 is also accompanied by a maximum voltage of the circuit to be tested which defines the v2. One stop bit No parity Refer to the Baud Rate section in the M enu for instructions on how to select a different baud rate Note The remote 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 6 Remote Commands The instrument supports SCPI commands and some instrument specific commands These commands enable a computer to remotely communicate and control the instrument over serial using the TTLto USB serial adapter IT E132B Refer to the programming manual for details which can be downloaded from www bkprecision com 7 Troubleshooting Guide Below there 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 How dol set up the supply to run in constant current mode The supply is a CV CC power supply tha
3. Set the voltage and current for CH1 amp CH2 7 Enable the outputs by pressing the button which will illuminate 8 Ifthe button is not illuminated press the button once to display the measured voltage and current at the output Parallel M ode PAr Parallel mode will increase the available current range that can be supplied to 6 A max by adding the output current of channels 1 amp 2 The maximum output current in Parallel mode becomes 6 0 A and a total of 30 V The default voltage and current settings in Parallel mode are 6 0A and 0 0 V Follow the steps below to enable this feature 1 Power off the unit and remove all wiring from the output terminals 2 Refer to the below illustration to make the parallel connections Figure 14 Parallel Wiring Mode CH1 CH2 3 From the MENU navigate to COUP using the NN keys the 4 keys or the rotary knob Lock 4 Select the option Par and press the button The power supply will momentarily display Par SUCC The VDF will look like below Figure 15 Parallel M ode CH14CH2 5 Setthe voltage and current 6 Enable the outputs by pressing the button which will illuminate Tracking M ode This function configures the instrument for tracking operations Tracking mode is only available for CH1 and CH2 The voltage or current in these two channels will operate synchronously The tracking is based on a ratio between CH1 and CH2 For example if the voltage is the sam
4. 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 where any liquid can condense on the instrument e In air temperatures exceeding the specified operating temperatures e n atmospheric pressures outside the specified altitude limits or where the surrounding gas is not air e In environments 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 power 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 con
5. Operation 3 1 MENU 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 and organized as follows MENU OUT Set the default state of the outputs to either off or last value used BEEP Enable disable key sound BAUD Select baud rate Grp Select memory group location for save recall instrument settings COUP Configure normal series or parallel modes of operation TRAC Set the tracking mode of Channel 1 and Channel 2 How to Access the M ENU Before using the instrument it is important to be familiar with its menu structure and learn how to view or change settings and parameters Follow the steps below to guide you in selecting menu options Shift Menu From the normal display press the key and then the button to enter the menu The selected item will be blinking In the VFD Use the AV keys to move through the menu selections Lock When the desired menu section is shown press the button to access its menu settings The selected item will be shown Use the AV keys to move through the menu items Lock Enter Press the button to access the selected menu item There may be parameters or options to select within each menu item Use the Lock keys to select the desired option To save changes to a setting press the button To exit the menu at any time press the button Output Power On State The initial power
6. RMT indicator will disappear when the instrument is in LOCAL mode Communication cables The power supply has a DB9 connector on the rear panel that allows remote communication via the IT E132B adapter Do not connect the DB9 connector to a standard RS 232 serial port Doing so may damage the instrument The instrument outputs TTL signal levels only and must be used with IT E132B adapter to connect to a USB port virtual com on a PC USB to TTL Adapter IT E132B Use the IT E132B USB to TTL adapter to connect a PC to the instrument for remote communication Connect the INSTRUM ENT side of the adapter to the DC load DB9 connector Connect the COM PUTER end to a USB port on your computer When connected the computer will automatically install the appropriate drivers For Windows 7 or above The driver is also available for download at www bkprecision com Upon successful installation of the driver the USB connection will be registered as a virtual COM device It can be accessed and control via the assigned COM port This can be verified in Device M anager the same way as you would with RS 232 serial interfaces a EES t jJUueuinJdjsu qum IT E132B USB to TTL Interface LA PC RS 232 Settings In order for the computer to communicate with the power supply both must be set to the same RS 232 settings These communication settings are Baud rate must be one of 4800 9600 or 38400 8data bits
7. VAC input Table 1 Fuse Requirements Model Fuse Specification 110 VAC Fuse Specification 220 VAC 9129B T6 3A 250V T3 15A 250V 2 2 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 With asmall 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 T Fuse box slit Fuse box Check Remove Fuse Figure 5 Fuse replacement 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 View Line Voltage Switch AC power input receptacle Figure 6 Model 9129B Line Voltage Switch Location Do not connect power to th
8. on state of the power supply outputs can be configured to either be off or to the last output state 1 From the MENU navigate to OUt using the AN keys There are two options that can be selected by using the keys or rotary knob 2 The options that can be selected using the gt keys or rotary knob include Off Default voltage current and output state values LAST Last voltage current and output state values before the unit was power off Set user defined voltage and operating states before powering OFF Lock Enter 3 Select Off or LAST and press the button The cursor will move on to the next option after accepting the command 4 To exit the menu at any time press the button Beeper On Off This option allows the user to turn the beep sound for key press confirmation on or off 1 From the MENU navigate to bEEP using the ISN keys There are two options that can be selected by using the gt keys or rotary knob 2 Select one of two options OFF Beep confirmation is turned off after pressing the button Lock ON Beep confirmation is turned on after pressing the button 3 The cursor will move on to the next option after accepting the command 4 To exit the menu at any time press the V button Baud Rate The baud rate specifies how fast data will be sent over serial communication One of the requirements of serial communication is that master and slave devices I e power supply
9. 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 inlet and exhaust openings for these fans must not be blocked nor must accumulated dust or other debris be allowed to reduce air flow M aintain at least 25 mm clearance around the sides of the instrument that contain air inlet and exhaus
10. Pel O Da o a 23 Sdye SC N 23 RECASENS Eee ere 23 ME KEY Oki r o r vn 24 A Protectols inni dn Ap rk PV orava 25 Over Temperature Proteo seno n 25 Over Voltage PrOtecHlon OVDP asssiitien initi naa T ecd vbt ed d dba bas 25 5 Remote Operation asi ti nad EO EUR REC FUE REEF LEE ERRAT REEL 26 COMMUNICA CAD IES oras numen dite aso RES SEU eB RE oo Un t Udo 26 USB TO TILAdaptCEr ITEL 32B utonutedhetahena i dpt eai aiena 26 Ro 232 SIN S enana a aaa n N 27 Remote COMMANGS orren Cox vrl DV CODO UnE FEX GE v ha n 28 P FROUDIESNOOUING GUIDE cocos cuo cost 90905 r0c vous i 29 GONT disse sisi dba qu MADE MEM EM MEE D DIU 29 Remote CODO ssov on 29 B SpEcITICAtlO NS avoriai Rn rw ER ER D V CC ew ER REA 30 9 CalibratloDiiiiici rave invo CV Dx Eu ODD DER Ln RC x DEVE CR ERR OE ER EVER 32 SERVICE INFORMATION iei v s aiv veu tes Ce sv Eve ED VI ER s DEN EU YI vu VOV Era EY EU lab 33 LIMITED THREE YEAR WARRANTY nnns 34 1 General Information 1 1 Product Overview The 9129B is a fully Programmable Triple Output DC Power Supply delivering 0 30V 0 3A on channels 1 and 2 and 0 5V 0 3A on channel 3 Each output can be adjusted independently and they can be connected CH1 and CH2 in series or parallel to produce higher voltages or currents The front panel keys and the encoder knob provide efficient options to adjust the voltage and current of any of the three outputs enable or disable parallel series or tracking mo
11. and computer should always operate at the same rate 1 From the MENU navigate to bAUd using the AV keys 2 There are three baud rates that can be selected by using the lt gt keys or rotary knob 4800 9600 938400 Lock Enter Select one rate and press the button to select desired baud rate 3 The cursor will move on to the next option after accepting the command 4 To exit the menu at any time press the button Note All serial settings must match the settings configured on the PC in order for communication to link successfully Memory Group The instrument can save up to 27 system configurations for quick access The non volatile memory location is divided into three groups Grol Grp2 and Grp3 Each group is divided into 9 locations 1 From the main menu navigate to the group memory option Grp using the NN keys There are three options that can be selected by using the keys or rotary knob Grpl Grp2 Grp3 Each group has 9 locations therefore allowing the customer to save 27 output state configurations Lock Enter 2 Select one of the three memory location groups and then press the button The cursor will move on to the next option after accepting the command 3 To exit the menu at any time press the V button Note Any settings saved or recalled following the procedures in this section will be stored or recalled from the memory group selected in the Grp Menu Combined Ser
12. cilities in the disposition of this product and otherwise observe all applicable requirements 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 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 Off Supply This is the AC mains connect disconnect switch on the front of the Instrument Direct current Alternating current Fuse Symbol Chassis earth ground symbol Ground terminal Protective earth ground CAUTION indicates a hazardous situation which if not 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 o not avoided will result in death or serious injury Table of Contents Safety llla COMPIINCE Slat la S consen rti vids Pr i ra a E T R vi Deby yO S RN Vill I General Information iussis dii nx du i ERG ER a C nC Cr RE 1 Lb OC UG OV ORV mironi
13. d LVP by V press SET for voltage or CSET for current then press C 92 to move the cursor position and adjust the voltage or current value using the rotory knob Loca 3 Usingthe Up Down arrows Press key to select channel selected channel Is LVP indicated by V press SET for voltage or SET for current then press to move the cursor position and adjust the voltage or current value using AV Note To see the voltage and current setting changes make sure the instrument is not displaying in meter mode eter button is not illuminated in this mode 3 4 Save and Recall The instrument can save up to 27 sets of voltage current values for quick recall access M emory is allocated into 3 different storage groups groups 1 to 3 and each group has 9 memory locations to store settings 1 to 9 The memory group must first be selected from the menu before settings can be saved within the group Select Memory Group 1 From the MENU navigate to the group memory option Grp using the NN keys There are three options that can be selected by using the keys or rotary knob Grpl Grp2 Grp3 2 Select one of the three memory location groups Grp1 Grp2 or Grp3 and then press Lock Enter the Enter button 3 Thecursor will move on to the next option in the M ENU after accepting the command To exit the menu at any time press the key Note This selection will determine which group the
14. de store and recall operating states and enable disable individual outputs Features 3 Independent fully programmable and electrically isolated outputs Series or parallel operation CH1 and CH2 Simultaneous voltage and current display for all channels High accuracy resolution and stability Low ripple and noise Save Recall up to 27 instrument settings High programming and readback resolution High visibility VFD display Easy to use interface with numerical keypad cursors and rotary knob Compact form factor 2U SCPI compliant remote protocols Over Voltage protection OVP and Over Temperature Protection Remote interface via USB virtual com via TTL USB adapter 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 1x9129B Power Supply e lxACPower Cord e lxCertificate of Calibration e lxTestReport e lxTTLto USB serial adapter IT E132B Verify that all items above are included in the shipping container If anything is missing please contact B amp K Precision 1 3 Product Dimensions The 9129B power supply dimensions are approximately 214 5 mm 8 44 in x 88 2 m
15. e 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 2 3 Output Connections The main DC output terminal is a binding post terminal on the front panel ZN 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 connections when using a power supply with a rated output greater than 40V To protect personnel 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 2 4 Preliminary Check Complete the following steps to verify that the power supply is ready for use 1 Verify AC Input Voltage Verify and check to make sure proper AC voltages are available to power the instrument T
16. e when the tracking mode is enabled ratio 1 1 an increase in CH1 of 1 volt will result in a change of 1 volt in CH2 However if the voltages are different i e CH1 22 volts and CH2 4 volts the ratio Is 1 2 Therefore if the voltage in CH1 is increased to 3 volts the voltage in CH2 will be 6 volts 1 From the MENU navigate to TRAC using the NN keys the keys or rotary knob 2 Select one of the options available OFF or ON and press the button to save changes The VFD will momentarily show Trac Succ to show that Track M ode is enabled 3 The output of CH1 and CH2 can be adjusted simultaneously as explained above To check if the unit is in TRACK M ODE press the button and the display will show the indicator trA underneath the measured voltage for each channel when the output is off Note Set the ratio before enabling tracking The tracking is based on the ratio between CH1 and CH2 when the tracking mode is active 3 2 Limit Voltage Protection LVP The 9129B M odel power supply provides a Limit Voltage Protection function to protect the power supply when the voltage at the output terminal exceeds the LVP voltage setting or to prevent accidental changes to the output settings that exceeds the DUT device under test limit Follow the steps below to set the LVP limit Loca 1 Press the cy to select channel 2 Pressthe O key and then press the ser button to enter the LVP menu of the channel select
17. each voltage output indicator Figure 8 Enabled Outputs of Power Supply Channel 1 selected 3 Using the numeric keypad or the voltage adjust rotary knob enter a voltage value The voltage display will now show the value you entered If entering with numeric keypad Lock press the button first then enter the value and press the button 4 Ifthe button is not already illuminated press it once to display the measured voltage at the output The voltage may fluctuate slightly from the value entered in the previous step 5 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 to the entered voltage value 6 Check the other two channels following the same procedure Current Check Follow the steps below to check current output of the power supply 1 Turn off all output channels 2101 button will not be illuminated 2 Short the and output terminals with test leads or a shorting bar 3 Adjust the voltage value of Channel 1 to 3V Figure 9 VFD display Outputs of Power Supply disabled Channel 1 selected 4 Press the button to enable the output The CV indicator will change immediately to CC indicating the power supply is in constant current mode The CC mode allows the supply to adjust the current output The voltage automatically adjusts to maintain the relationship of current voltage and resistance acco
18. ed he button and the voltage channel selected in the VFD will blink until a value is entered and the button is pressed 3 Enter a voltage using the numeric keypad rotary knob or the AV keys Use one of the steps below Lock Using the keypad Enter the voltage on the keypad followed by the button Using the rotary knob Press the gt keys to move the cursor position and adjust the voltage value using the rotary knob followed by the ener button Using the Up Down arrows Press the keys to move the cursor position and adjust the voltage value using the fX keys followed by the button 4 Repeat the above steps for setting each channel Note Avoid exceeding 120 of the rated voltage across the output terminals or the power supply may be damaged Note When a specific voltage cannot be set check the LVP voltage setting to ensure the desired voltage is less than or equal to the LVP value 3 3 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 cursor keys AN Loca 1 Using the keypad Press the o key to select channel selected channel is indicated LVP by V press the for voltage or for current and the button will Lock illuminate Then enter a numerical value on the keypad followed py Center Loca 2 Usingthe rotory knob Press mi e key to select channel selected channel is indicate
19. he AC voltage range must meet the acceptable specification as explained in 2 1 Input Power and Fuse Requirements Connect Power and Self Test Connect AC power cord to the AC receptacle in the rear panel and press the power switch to the lt ON position to turn on the instrument It will run through a self test procedure Self test Errors The following errors will be displayed if self test did not complete successfully Error Message on Display EEP Err The internal EEPROM is corrupted or damaged Syst Lost Last system settings within the EEPROM is lost Chan Lost At least one of the channels did not pass initialization test Scan Chan Cal Lost Calibration data of one or more channels is lost Fact Lost Factory calibration data of one or more channels is lost If any of these errors occur please contact B amp K Precision The VFD displays any of these messages for about 2 seconds on initialization Output Check Voltage Check Follow the steps below to check basic voltage output with no load connected 1 Turn on the power supply The VFD will display Init followed by Scan Chan for a few seconds and it will be followed by a screen similar to the screenshot below The symbol V indicates which output is selected Figure 7 VFD display Power Supply outputs disabled Channel 1 selected 2 Enable the output by pressing ono the button will be illuminated The VFD will show CV Constant Voltage on top of
20. ies and Parallel M odes This section will describe the three different types of output configuration modes for the power supply Off normal operation series or parallel configurations are available Normal Mode OFF This option is used to turn off remove series or parallel configuration and returns the unit to normal output 1 From the MENU navigate to COUP using the L V keys the keys or the rotary knob Lock Enter 2 Select the option OFF and press the button 3 Thepower supply will momentarily display OFF SUCC before returning to normal display Figure 11 OFF normal Wiring Mode Note Only Channels 1 and 2 can be configured in series or parallel Series Mode SEr Series mode will double the available voltage range that can be supplied by combining the voltage of channels 1 amp 2 The maximum output voltage of SEr mode becomes 60 V Follow the steps below to enable this feature 1 Power down the unit and remove all wiring from the output terminals 2 Connect the wires as indicated below Figure 12 Series Wiring 3 Power on the unit and verify that the outputs are turned off The button should not be illuminated 4 Fromthe MENU navigate to COUP using the AV keys keys or the rotary knob Lock 5 Select the option SEr and press the button The power supply will momentarily display SEr SUCC The VDF will look like the figure below Figure 13 Series Mode CH1 CH2 6
21. ifications SERVICE INFORM ATION 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 with proof of purchase to the address below Clearly state on 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 obtaina RMA Return the product in the original packaging to the address below Clearly state on the RMA 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 descrip
22. l Conditions This power supply is designed for indoor use and operated with maximum relative humidity of 80 9129B Output Rating 0 30 V CH1 amp CH2 Voltage 0 5 V CH3 Current 0 3 A All Channels Power Line Regulation Voltage Current Load Regulation Voltage lt 0 029644 mV Current lt 0 20 3 MA Ripple and Noise Voltage lt 0 02 4 mV lt 0 2 3 mA lt 5 MVp p 1 mVrms Current 6 mArms Programming Resolution Voltage Current Readback Resolution Voltage Current Programming Accuracy output offset Voltage lt 0 0696 20 mV Current 0 296 10 mA Readback Accuracy 0utput offset Voltage lt 0 0696 20 mV Current 0 296 10 mA 10 mv 1 mA 10 mV 1 mA Series Accuracy Voltage lt 0 5 30 mV Current lt 0 2 15 mA Parallel Accuracy Voltage lt 0 2 30 mV Current lt 0 2 25 mA storage Up to 27 instrument settings Standard USB virtual com via IT E132B adapter Interface AC Input 110 220 VAC 10 96 47 Hz 63 Hz Operating 32 F to 104 F 0 C to 40 C Temperature Storage 4 F to 158 F 20 C to 70 C Temperature Dimensions W XH xD 16 05 Ibs 7 3 kg To ensure the most current version of this manual please visit www bkprecision com 8 45 x 3 47 x 13 96 214 5 x 88 2 x 354 6 mm 9 Calibration We recommend a calibration interval of once per year to ensure that the power supply meets spec
23. m 3 47 in x 376 6 mm 14 8268 in W XH x D Note All dimensions in the figures below are measured in millimeters mm 228 mm 15 mm 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 9200 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 To rackmount a single instrument order rackmount kit IT E151 p E c weer ji maT Lies 97 RecaB mem FAX INEST IE RENI 3 3 Ay me Un j To rackmount two instruments side by side order rackmount kit IT E151 the front cover panel is not needed 1 5 Front Panel Overview Figure 1 Front Panel View Front Panel Description VFD display Shift key Local key Power key Numeric keys Function keys Cursor keys Output terminals SAESA SACIA SACARCAKS Rotary knob 1 6 Rear Panel Overview Figure 2 Rear Panel View Rear Panel Description Cooling fan AC power input receptacle amp fuse box 110 220 V Po
24. nane hi etude E o ramus EDD gt 1 1 2 Rackade COM CIES r ES 2 L3 Plod cE LIMEenNI0 Siko 2 L4 RACKIMOUNE stala lO nn ll ln 3 LS TEobt Panel OVSIVIOW cec csatuiitusi ada ni nn tet dn 4 1 0 Rear Panel OVE VIG W xiaestdsds a bisects cued Gael paquet dos Cadet E dpi edet Laid 5 lol S EVPAA O VE VI SV s a 6 Keypad Description rit rr E Yee REED rr rr om 6 EO ISDA VET VISW TUR TT 1 ISP ES CFO o on 1 2 Getting SLA tec si isisisi kora kali 8 2 1 nputPoWeranafFuseRequiFeriellbssssnsss iuis to bru ed eh vu ti IS aa 8 NEVE POW c r da RITUUM 8 SE CIM EE EET LL o a 9 2 2 MIE Voltage SelectlOl esca id Ri a 9 2 9 QUEDUE CODTIGCHIODIS sulade 11 ER MEIN E E EUER 11 SISSE EO a estos etatem irn rtp td eben inicr Dont tanium etas itn 12 CLO CH ep E 12 Check Model and Firmware Version isses edi evi teca ct boa bcc odd vo ax bead te ad taa 14 3 Front Panel Operation desi siio vul Ew eres bil a a Eit Tan o eeu 15 3A MENU innra ieee tye tose iG aoa escent T tesa edasees emer 15 QUEDUE POWER ON SLA LO e a aa 16 BECDEl OD OFT sisal i rr 16 Baud Ra N 16 NEO EP UD i asec hearst EE EO nl 17 Combined Series and Parallel M QQ6S ssxci ve veia eoa on tut d oh v uto nra tou doc 17 Tac NOMO a o 20 3 2 Limit Voltage Protection LVP ccccccccsssscsssstecsssrresssssescssesesssseressesetessenetesssnntesseneterens 21 33 Setungvoltede ang CUNEN cinia mode bun You d Soa il sa Sepia Ia ois eemaioes 22 ST EU die d i e E 22 DIG Cle
25. nctions Indicates remote mode Indicates the channel currently selected Serial connection mode Parallel connection mode Enable tracking mode 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 Input Power The supply has a selectable AC input that accepts line voltage input within Voltage 110 V 10 96 or 220 V 10 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 A cable or add an extension cable be sure that i can meet the reguired power ratings for this instrument Any misuse with wrong or unsafe cables will void the warranty SHOCK HAZARD The power cord provides a chassis ground through a A third conductor Verify that your power outlet is of the three conductor type with the correct pin connected to earth ground Fuse Requirements An AC input fuse Is necessary when powering the instrument Below is a table of the fuse required for all models operating with either 110 VAC or 220
26. nt all keys are disabled except Shift for Meter meter and the buttons 2 To unlock the keys press the key and then the Ger button The Ger button illumination will turn off and all keys will be enabled 4 Protections Over Temperature Protection If the internal temperature of the power supply exceeds 85 C the instrument will protect itself by automatically turning power OFF If this happens the buzzer will go off and the display will indicate the following OVER HEAT nuE HERE Figure 16 Over Temperature Protection Warning Over Voltage Protection OVP The 9129B has over voltage protection function which may be triggered due to an internal error wrong operation by the customer or over voltage at the output terminals Once the power supply enters the protected OVP state the user will hear a buzzer sound and the output Will be turned off OVP will be triggered if voltage at the output is 0 1 V higher than the maximum voltage set 5 Remote Operation Users can program the power supply by using the SCPI Standard Commands for Programmable Instruments commands over the TTL remote interface via USB virtual com with IT E132B Note The RMT 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 press the O key The
27. oltage 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 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 will lower the category rating of the measuring system Electrical Power This instrument is intended to be powered from a CATEGORY II main
28. rding to Ohm s Law Figure 10 VFD display Outputs of Power Supply disabled Channel 1 selected 5 Setdifferent current values between 0A and 3A Press the button and observe how the voltage value on the VFD is approximately 0 volts 6 Make sure the current can be adjusted within the rated range of 0 to 3A 7 Disable the output and then remove the short wire 8 Check the other two channels following the same procedure 9 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 10 Press the power switch to turn off the power supply and remove the short on the output terminals Check Model and Firmware Version The model and firmware version can be verified by sending the IDN remote command It can also be found from within the menu system by following these steps Shift Press Q Shift 4C the VFD will display power information the information includes the following parts 1 Power Model Display the model of power supply 9129B 2 Soft Version ooftware version of power supply 1 XX Press left or right key or rotate knob to navigate through power supply information 3 Series number of product INFO SN XXXX XXXX XXXX Calibration date 4 INFO 1 XXXX XXXX XXXX 5 Calibration time INFO 2 6 XXXX XXXX XXXX 3 Front Panel
29. s 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 operate the instrument e Inthe presence of noxious corrosive or flammable fumes gases vapors chemicals or finely divided particulates
30. settings will be saved to or recalled from The Save Settings and Recall Settings procedures explained below will select a memory location from within the selected Memory Group Save Settings 1 Setup output voltage and current settings that you want to save and press the na Shift then the button to enter Save mode The button will blink until a Save location value Is entered 1 9 2 Usethe numeric keypad to enter the memory location locations 1 to 9 to store the settings 3 To exit Save mode at any time press the 2 key Recall Settings 1 Press the button to enter Recall mode The button will be illuminated 2 Use the numeric keypad to enter the memory location 1 9 to recall the desired settings The voltage and current settings of that memory location will immediately be recalled and displayed If the selected memory location does not have any saved settings the message DATA EMPTY will be displayed 3 To exit Recall mode press the 9 button Note The power supply does not support Save Recall operation when in serial parallel or tracking mode In these instances the unit will display INV OPER invalid operation 3 5 Key Lock The front panel keys can be locked to prevent unwanted changes from the front panel Follow the steps below to enable disable key lock 1 Press the O key and then the Center button The Cere button will illuminate indicating that the front panel keys are locked At this poi
31. t automatically crosses over from CV to CC upon a load which draws current at the current limit I SET Therefore it is dependent on the load For example if I SET is configured as 1 A the load must draw 1 A before the supply Will go into CC mode Why is my display voltage lower than the voltage 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 Q I cannot set voltage at the maximum rating This may be that the set voltage is outside of the voltage maximum limit Refer to Limit Voltage Protection LVP section to verify and configure the limits o o Remote Control Q am trying to send the commands over RS232 using the TTL to USB serial adapter IT E132B but the power supply 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 the software interface 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 Environmenta
32. t 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 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 Do not place heavy objects on the instrument Do not obstruct cooling air flow to the instrument Do not place a hot soldering iron on the instrument Do not pull the instrument with the power cord connected probe or connected test lead Do not move the instrument when a probe is connected to a circuit being tested 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 Directive 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 fa
33. tamination 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 as a 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 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 before 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
34. tion of problem 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 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 BK PRECISION 22820 Savi Ranch Parkway Yorba Linda CA 92887 www bkprecision com 2015 B amp K Precision Corp v090915
35. wer Switch RS 232 TTL interface OO OO 1 7 Keypad Overview Menu LVP V SET SET Save Lock Figure 3 Keypad Keypad Description gt 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 0 3 Numeric keypad Enters numeric values for various parameters Local Power LVP Vset LVP button Configures output voltage or sets the limit voltage protection point for the power supply Menu Iset Menu button Configures output current or allows access to the power supply menu settings Save Recall Save button Saves and recalls instrument settings Meter button Switches from set value display to metered output value display a Enter Lock Recall Meter Enter Confirms setting or lock front keys Output STUNT Controls output On Off state of each channel of the power supply Left Right arrow keys Adjusts cursor position to left or right or navigate through menu items Up Down arrow keys Used to select menu items or increase decrease output voltage output Ale current or navigate through menu items Q Esc key Cancel and return to previous menu 1 8 Display Overview Figure 4 Display Display Description CV The power supply is in constant voltage mode The power supply is in constant current mode Indicates shift mode for access to secondary button fu
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