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BK Precision 9115-AT User Manual
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BK Precision 9115-AT User Manual

BK Precision 9115-AT User Manual

Multi-range dc power supply
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Model: 9115, 9115-AT, 9116, 9117
Multi-Range DC Power Supply
USER MANUAL

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Summary of Contents for BK Precision 9115-AT

  • Page 1 Model: 9115, 9115-AT, 9116, 9117 Multi-Range DC Power Supply USER MANUAL...

  • Page 2: Safety Summary

    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: • Read and understand the safety and operational information in this manual. •...
  • Page 3 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.
  • Page 4 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 • In the presence of noxious, corrosive, or flammable fumes, gases, vapors, chemicals, or finely-divided particulates.
  • Page 5 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.
  • Page 6 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.
  • Page 7 • 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.

  • Page 8: Compliance Statements

    Compliance Statements Disposal of Old Electrical & 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...

  • Page 9: Ce Declaration Of Conformity

    CE Declaration of Conformity The power supply 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: 1995+A1: 2001+A2: 2005 EN 61000-4-2 / -3 / -4 / -5 / -6 / -11 EN 61326-1: 2006 viii...

  • Page 10: Safety Symbols

    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.

  • Page 11: Table Of Contents

    Table of Contents Safety Summary ....................i Compliance Statements ......................vii Safety Symbols ..........................ix General Information ..................1 Product Overview ......................1 Package Contents ......................1 Product Dimensions ......................2 Front Panel Overview ....................... 4 Front Panel Description ......................4 Rear Panel Overview ......................
  • Page 12 Program Sequence Mode (List mode) ................39 Configure Sequence Parameters ................... 40 Configure Program (List) ....................... 44 Recall and Run Program ......................46 9115-AT Automotive Test Functions ................48 DIN 40839 Parameters ......................48 ISO 16750-2:2012(E) Parameters ..................50 Configure Voltage Slope ....................56 Key Lock ..........................
  • Page 13 Remote Commands ......................60 Troubleshooting Guide ................61 General ..........................61 Remote Control ........................61 Specifications ..................... 62 Calibration ....................63 SERVICE INFORMATION ..................64 LIMITED ONE-YEAR WARRANTY ................ 65...

  • Page 14: General Information

    B&K Precision models 9115, 9115-AT, 9116, and 9117 are multi-range single output high power supplies with the capability of producing up to 80 V or 60 A (9115/9115-AT), 150 V or 30 A (9116), and 80 V or 120 A (9117) at a maximum power output of 1200 W (3000 W for 9117).

  • Page 15: Product Dimensions

    1.3 Product Dimensions The 9115, 9115-AT, and 9116 power supply’s dimensions (WxHxD) are approximately 414.5 mm x 44.5 mm x 483.2 mm (16.29” x 1.75” x 19.02”). It is designed to fit in a standard 19-inch rackmount and is of 1U size.
  • Page 16 Figure 1.3 - Front View for 9117 Figure 1.4 - Side View for 9117...

  • Page 17: Front Panel Overview

    1.4 Front Panel Overview Figure 1.5 - Front Panel for 9115/9115-AT/9116 Figure 1.6 – Front Panel for 9117 Front Panel Description Power On/Off switch VFD display Voltage adjust knob Current adjust knob Up/Down/Left/Right arrow keys Used to adjust cursor location and selecting menu items.
  • Page 18 to set the instrument back to local mode. Enter / Trigger button Used to confirm setting/parameter changes or to provide a single trigger for list operation. Escape button Used to exit menu settings. Numeric keypad I-set / P-max button Used to configure output current or set the maximum power output limit. OVP set button Used to configure over voltage protection (OVP) value.

  • Page 19: Rear Panel Overview

    1.5 Rear Panel Overview Figure 1.7 - Rear Panel for 9115/9115-AT/9116 Figure 1.8 – Rear Panel for 9117 Rear Panel Description Analog Control Interface Output Terminal Rear Cooling Fan GPIB Interface USB Interface RS-232 Interface AC Input Receptacle Fuse Box...

  • Page 20: Display Overview

    1.6 Display Overview OFF CC CV Addr Error Trig Prot * Shift 80.000V 12.000A = 85.000 V 0.0 W Figure 1.9 – Display Overview Display Description Setting/Measured Voltage Measured Power Output Settings Display Displays parameter settings such as OVP, P-max, Rise/Fall Setting/Measured Current Indicates output is disabled Indicates constant current (CC) operation...

  • Page 21: Getting Started

    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 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.
  • Page 22 three-conductor type with the correct pin connected to earth ground. Connection of this power supply to an AC power source should be made by a qualified electrician or other qualified personnel. Incorrect wiring may damage the power supply or cause a fire hazard For Model 9117 The supply uses a 3-wire AC input terminal which accepts the following line voltage input: AC Input: 220 V (+/-10%), single phase...
  • Page 23 Step 4-5 Step 6 Steps 2-3 Step 1 Figure 2.1 – AC Power cable housing assembly Follow the instructions below to connect the AC power cord to the AC supply mains distribution.

  • Page 24: Fuse Requirements

    Fuse Description 9115 15AT / 250V (6 x 32 mm slow blow ceramic tube fuse) 9115-AT 15AT / 250V (6 x 32 mm slow blow ceramic tube fuse) 9116 15AT / 250V (6 x 32 mm slow blow ceramic tube fuse)

  • Page 25: Output Connections

    2. Use a flat blade screwdriver and turn the fuse capsule counter-clockwise. There is an internal spring that will push it out after turning a few times. 3. Pull out the glass tube fuse inside to check and replace as necessary. 4.

  • Page 26: Preliminary Check

    Table 2.2 - Wire Gauge Rating Imax(A) mΩ/meter 13.2 33.5 52.8 2.3 Preliminary Check Complete the following steps to verify that the power supply is ready for use. 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”.

  • Page 27: Output Check

    Output Check Voltage Check Follow the steps below to check basic voltage output with no load connected. 1. Turn on the power supply. The display will show the OFF annunciator above the voltage display. 2. Enable the output by pressing , and the button will be lit.

  • Page 28: Check Model And Firmware Version

    7. Press the power switch to (OFF) position 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 using the *IDN? query remote command. It can also be found from within the menu system by following these steps: 1.

  • Page 29: Front Panel Operation

    Show model, firmware version, and serial number. Available on models 9115/9115-AT and 9116 only Available on model 9115-AT only (LIST mode can be found in the menu) How to Access the Menu Before using the instrument, it is important to be familiarized with its menu structure and learn how to view or change settings and parameters.

  • Page 30: System Menu

    1. From the normal display, press and press to enter the menu. 2. The selected item will be blinking. Use keys to move through the menu selections. 3. When the desired menu section is blinking, press to access its menu settings. 4.

  • Page 31: Setting Current

    3. To change the cursor position to adjust with the voltage adjust knob, use the keys to move left or right. Note: To see the changes to the setting voltage, be sure the display is not showing the measured voltage. This can be checked by looking at the button backlight.
  • Page 32 Figure 3.1 – Local Sense Connection Diagram DO NOT disconnect the wires if remote sense is not used. Doing so will cause erratic behavior and may damage the power supply under certain conditions. Never connect any power source into any of the four terminals at any time during operation.

  • Page 33: Protection Settings

    Rear Sense Terminal Rear Output Terminal Figure 3.2 – Remote Sense Connection Diagram DO NOT at any time disconnect the wires from the Vs+ and Vs- terminals to the DUT while output is enabled (ON). Doing so may damage the power supply and cause unstable output.

  • Page 34: Configure Maximum Power Limit

    5. To disable OVP at any time, just press twice. When it is disabled, the backlight will disappear. When OVP protection is tripped, the following screen will display: Prot 80.000VOVP 12.000A 0.0 W To clear the trip status, press once. Configure Maximum Power Limit Follow the steps below to set the maximum power limit: 1.

  • Page 35: System Menu

    Prot 80.000VOPP 12.000A 0.0 W To clear the trip status, press once. 3.3 SYSTEM Menu All setup procedures and settings explained in this section can be accessed from the SYSTEM menu. To access this menu, press and press . When SYSTEM is blinking, press Restore Factory Default Settings All instrument settings can be reset back to their factory default values by doing the following: Restoring the instrument to factory default will change all current instrument...

  • Page 36: Configure Power-On State

    Power-On Load Setup External Control 10v-M Limit Vmin = 0.000V, Vmax = 81.000V Online Setup Output Disabled Configure Power-On State The initial power-On state of the power supply can be configured by following the steps below: 1. From the SYSTEM menu, select Power-On and press 2.

  • Page 37: Save/Recall Instrument Settings

    Save/Recall Instrument Settings The instrument can save up to 100 instrument settings in non-volatile memory. Memory is allocated in 10 different storage groups (group 0 to 9), and each group has 10 memory locations to store settings (0 to 9). The memory group must be selected from the menu first, before settings can be saved within the group.

  • Page 38: Enable/Disable Key Sound

    Recall Settings 1. Press . Notice the button will be lit and the cursor on the display will disappear. This indicates Recall mode. Instrument settings can only be recalled when the instrument enters this mode. 2. Use the keypad to enter the memory location you want to recall. Enter between 0 to 9. 3.
  • Page 39 locked until the instrument is in LOCAL mode. To return to LOCAL mode from the front panel, press . The RMT indicator will disappear when the instrument is in LOCAL mode. RS-232 Follow the steps below to configure the power supply for RS-232 operation: 1.
  • Page 40 3. Install the USB driver. For Windows® 7 users, this may install automatically. For other users, visit www.bkprecision.com to download the driver. Note: Users who have LabVIEW™ or NI-VISA installed will automatically have this driver in their system. In this case, driver download is not required. GPIB Follow the below instructions to select GPIB interface for remote operation.
  • Page 41 Addr: 0 to 31 Note: The default is 4800, 8, N, 1, Address = 0. *Setting the baudrate to 115200 may provide unstable results during remote communication. Select a lower baudrate if communication errors occur. 6. Select Addr… and press .

  • Page 42: Return Meter

    Return Meter This option allows users to enable an internal fixed timer delay (5 seconds) for the power supply to automatically switch from setting display to measured display. When enabled, if the power supply output state is ON (enabled) and if the display shows setting voltage and current, it will automatically switch to measured voltage and current display after 5 seconds.

  • Page 43: External Analog Control

    DO NOT enable this function for battery test applications (i.e. battery charging) and all applications that may have a high charge. If a battery with a low voltage is connected to the power supply while the output is OFF (disabled), the dummy load will drain the battery.
  • Page 44 2. Select 10v-M or 5v-M so that it is blinking. Use the keys to change between 10v- M and 5v-M. – 0 – 5 V scale is used for monitoring 0 – 100% of output. 10v-M – 0 – 10 V scale is used for monitoring 0 – 100% of output. 3.
  • Page 45 1. From the CONFIG menu, browse and select Ext-Ctrl and press . The following screen will display: Ext – Ctrl Setup 1 0v-M 1 0v /10 k-P V- P Of f 2. Select the third item V-P or R-P so that it is blinking. Use the keys to change between V-P or R-P.
  • Page 46 Pin Assignment Below are the pin assignments of the analog interface. Pin # Label Description DGND Ground pin EXT ON Control output state SHUT_OFF Emergency shut off POWER_OK Status output CV_CC+ CV mode status CV_CC- CC mode status VPRG Voltage programming input REF_10V 10V DC reference output IPRG...
  • Page 47 Emergency Shut Off In the case where an emergency shut off to the output of the power supply is required, SHUT_OFF (pin 15) and DGND (pin 1) is used. To shut off, connect/short Pin 15 and Pin 1 together. This will bypass the analog control of the output state and disable (OFF) the output.

  • Page 48: Configure Voltage Limit

    Reference Voltage A 10 VDC reference output is available on REF_10V (pin 21) and Ground (pin 9). Note: These pins are used for reference only and are not designed to power devices. Do not connect a load across it. Configure Voltage Limit The minimum and maximum set voltage can be configured on the power supply to limit the settable voltage range for protection.

  • Page 49: Parallel/Series Connection

    RS-485 does not have to be set as the Communication interface for master/slave operation to function. Table 3.2 – Series/Parallel Configuration Table Model Series Parallel 9115 and 9115-AT 3 units (240 V Max) 3 units (180 A Max) 9116 2 units (300 V Max) 4 units (120 A Max)
  • Page 50 For parallel connection: Connect each power supplies’ positive (+) terminals together. Do the same for the negative (-) terminals. For series connection: Connect one power supply’s positive (+) terminal to the negative (-) terminal of another. Do the same for all the power supplies. Then, connect all of the power supplies’...

  • Page 51: Online Setup

    Figure 3.5 - Master/Slave Series Connection Diagram Master/Slave Setup Only one power supply has to be configured as a Master. The rest must be configured as Slave. Up to 3 units can be configured in total. Note: Configure Slave power supplies FIRST, and configure the Master power supply LAST.

  • Page 52: Program Sequence Mode (List Mode)

    3. Press the key to select Slave or Master. Use the keys to select between the two options. Select Master to set the power supply as a master, or select Slave to set the power supply as a slave. Always set the Slave supplies first and Master supply last. 4.

  • Page 53: Configure Sequence Parameters

    Sequence #1 Program #1 Step 1.. Sequence #1 Step 2.. Sequence #2 Save Step 10.. Sequence #10 Program # Memory Program #10 Sequence #10 Recall Sequence #2 Step 1.. Sequence #5 Step 2.. Sequence #7 Sequence #8 Step 10.. Figure 3.6 – List Mode Illustration There are three separate configurations to set up for programming and running a sequence (in order): 1.
  • Page 54 1. Access the main menu by pressing and the 2. Use the key to select LIST (FUNC. then press twice for model 9115-AT) and press . The below screen will display: 3. Use the key to select EditSeq and press .
  • Page 55 Ac tive Step: 09876 54321 5. These numbers represent the step numbers of the sequence, where “0” represents step number 10. At this point, use the numeric keypad and try to push any numbers 0 – 9. Notice that the number you press will correspond to the number displayed in Active Step and will toggle to display a “Y”...
  • Page 56 9. This is prompting the user to enter the voltage setting for step 1. Use the voltage and current adjust knob or the numeric keypad and enter 1.000. Then press 10. The display will change to the following, prompting the user to enter the current setting for step 1.

  • Page 57: Configure Program (List)

    SAVE SEQ 16. If stored successfully, the display will show a message Save Success! After a few seconds, it will return to the LIST menu. Configure Program (List) The sequence(s) to execute and run can be selected, as well as its repetitiveness. This means multiple sequences can be run one after another.
  • Page 58 EDIT LIST POWER L ist Powe r = 120 0.0 W 3. This parameter is configured to limit the maximum power of the program (list) when it is executed. Leave it default to 1200.0 for maximum power output. Press and the following will display: EDIT LIST REPEAT L ist Re pe at = 1...

  • Page 59: Recall And Run Program

    FILE Ac tive Seq : 0 987654 3YY 8. Once these two sequences are selected (active), press to see the following: SEQ REPEAT S eq 1 Repe at : 9. The display prompts the user to enter the number of times to repeat sequence #1 as part of the program (list).
  • Page 60 1. From the LIST menu, use the key to select Recall and press . The display will say RECALL LIST with the prompt Recall List File: to ask to enter a number. 2. This is the location number where the program is stored in. Select a number between 1 to 10 with the current adjust knob or the numeric keypad, then press 3.

  • Page 61: 9115-At Automotive Test Functions

    3.6 9115-AT Automotive Test Functions Note: This functionality is only available on model 9115-AT The 9115-AT power supply has a unique automotive testing feature built-in that allows the user to run stress tests based on the DIN 40839 and ISO 16750-2:2012(E) standards. The functions have the ability to test 12 volt and 24 volt systems.
  • Page 62 Table 3.4 – Parameters for test pulse Follow the steps below to set up the DIN40839 function: 1. Access the main menu by pressing and the 2. Use the key to select FUNC. and press 3. Use the key to select DIN40839 and press .

  • Page 63: Iso 16750-2:2012(E) Parameters

    Trig 0.000V 0.000A 0.0 W D IN408 39 7. To enable the DIN40839 function, press the key, on the front panel. The proper voltage (12V or 24V) should be metered on the front panel display. 8. To run the DIN40839 function press shift and enter to trigger the test to run. 9.
  • Page 64 Figure 3.10 – Profile for the reset test waveform Figure 3.11 – Starting profile waveform...
  • Page 65 Table 3.5 – Starting profile values for 12 V system devices Table 3.6 – Starting profile values for 24 V system devices Short voltage drop Follow the steps below to set up the ISO16750-2:2012(E) for Short voltage drop function: 1. Access the main menu by pressing and the 2.

  • Page 66: S Ho Rt Voltage D Rop

    ISO16750-2 profile S ho rt vol tage d rop 4. While Short voltage drop is flashing, press to access that option. Set to 12V for the 12V test function and 24V for the 24V test function. 5. Use the key to select Off/On and use keys to toggle between the two options.

  • Page 67: P Rof Il E For Reset

    ISO16750-2 profile P rof il e fo r th e reset test 5. Select Usmin… and press enter. The user can choose a Usmin value between 1 V – 80 V. Once a value is selected, press to confirm. 6. Use the key to select Off/On and use keys to toggle between the two options.

  • Page 68: S Tartin G P Rof I Le

    ISO16750-2 profile S tartin g p rof i le 5. Set to 12V for the 12V test system and 24V for the 24V test system. 6. Use the key to select the profile of 1 / 2 / 3 / 4(12 V only) and use keys to toggle between the four options.

  • Page 69: Configure Voltage Slope

    3.7 Configure Voltage Slope The power supply has the capability of controlling the slope of the output voltage during changes between voltage settings. Timings can be configured for both the rising and falling edge between voltage output transitions. To illustrate this feature and provide configuration instructions, follow the example below. Suppose you want to simulate the voltage signal below by manually setting the voltage from 5 V to 10 V over a span of 5 seconds, then manually changing it to 1 V and have it decrease from 10 V to 1 V over a span of 10 seconds.

  • Page 70: Key Lock

    2. T is the rising edge time for an output voltage transition. Use the numeric keypad or rise the current adjust knob and enter 5.000 s (5 seconds). 3. Press and T will be displayed. T is the falling edge time for an output voltage fall fall transition.

  • Page 71: Remote Operation

    4 Remote Operation 4.1 Interface Connection RS-232 For RS-232 connectivity, refer to the diagram below for pinout information. The RS-232 is labeled in the rear panel and it is a female DB-9 interface. Description Transmit Data Receive Data A straight pin-to-pin DB9 female to DB9 male serial cable is required for using the RS-232 interface.

  • Page 72: Usbtmc

    RS-485 For multi-unit configuration and control, the male DB-9 interface labeled RS-485 in the rear panel is used. The figure below illustrates the connection pins and description. Note: Pin 1 is used as the A pin (-) (non-inverting). Pin 5 is used as the B pin (+) (inverting). SC (reference) pin is not used.

  • Page 73: Remote Commands

    4.2 Remote Commands The instrument supports some SCPI commands and some instrument specific commands. These commands enable a computer to remotely communicate and control the power supply over any of the supported remote interfaces: USBTMC, RS-232, GPIB, RS-485, and Ethernet (Model 9117 only).

  • Page 74: Troubleshooting Guide

    5 Troubleshooting Guide Below are some frequently asked questions and answers. Please check if any apply to your power supply before contacting B&K Precision. General Q: I 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.

  • Page 75: Specifications

    23 °C ± 5 °C. Specifications are subject to change without notice. Environmental Conditions: This power supply is designed for indoor use and operated with maximum relative humidity of 95%. Model 9115 / 9115-AT 9116 9117 Voltage 0 –...

  • Page 76: Calibration

    7 Calibration We recommend a calibration interval of once per year to ensure that the power supply meets specifications. The instrument features closed-case calibration, however it is performed remotely via the remote interface.

  • Page 77: Service Information

    SERVICE INFORMATION 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.

  • Page 78: Limited One-Year Warranty

    LIMITED ONE-YEAR WARRANTY B&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 one year from date of purchase. B&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.
  • Page 79 22820 Savi Ranch Parkway Yorba Linda, CA 92887 www.bkprecision.com © 2014 - 2021 B&K Precision Corp. Printed in China v110921...

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