BK Precision HVL Series User Manual
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BK Precision HVL Series User Manual

BK Precision HVL Series User Manual

High voltage dc electronic loads
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  • Page 2: Table Of Contents

    Contents Compliance Information EMC ................5 Safety .
  • Page 3 6.1.3 CR Mode ..............6.1.4 CW Mode .
  • Page 4 Remote Interfaces ............. . . 9.2.1 USB .

  • Page 5: Compliance Information

    Compliance Information 1.1 EMC EC Declaration of Conformity - EMC Compliance was demonstrated to the following specifications listed in the Official Journal of the European Communities: EMC Directive 2014/30/EU. EN 61000-3-2: 2006 Electromagnetic compatibility (EMC) - Part 3-2: Limits - Limits for harmonic current emissions (equipment input current <= 16 A per phase) EN 61000-3-3: 1995+A1: 2001+A2: 2005 Electromagnetic compatibility (EMC) - Part 3-3: Limits - Limitation of voltage changes, voltage fluctuations and flicker in public...

  • Page 6: Safety

    Compliance Information 1.2 Safety EC Declaration of Conformity - Low Voltage Compliance was demonstrated to the following specification as listed in the Official Journal of the European Communities: Low Voltage Directive: 2006/95/EC . EN61010-1: 2001 Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 1: General requirements 1.3 IEC Measurement Category &...

  • Page 7: Product End-Of-Life Handling

    Compliance Information 1.4 Product End-of-Life Handling The equipment may contain substances that could be harmful to the environment or human health if improperly handled at the product’s end of life. To avoid release of such substances into the environment and to reduce the use of natural resources, we encourage you to recycle this product to an appropriate system that will ensure that most of the materials are reused or recycled appropriately.
  • Page 8 Compliance Information Symbols - HIGH VOLTAGE - possibility of electric shock. WARNING – Statements or instructions that must be consulted in CAUTION order to find out the nature of the potential hazard and any actions which must be taken. On (Supply). This is the AC mains connect/disconnect switch on the front of the instrument.

  • Page 9: Safety Notices

    Safety Notices 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 10 Safety Notices 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.
  • Page 11 Safety Notices Environmental Conditions 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 20% to 80% relative humidity, with no condensation allowed. ∘ ∘ Measurements made by this instrument may be outside specifications if the instrument is used in non- office-type environments.
  • Page 12 Safety Notices 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&K Precision for repair.
  • Page 13 Safety Notices 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.
  • Page 14 Safety Notices Servicing Do not substitute parts that are not approved by B&K Precision or modify this instrument. Return the instrument to B&K Precision for service and repair to ensure that safety and performance features are maintained. Fuse replacement must be done by qualified service-trained maintenance personnel who are aware of the instrument’s fuse requirements and safe replacement procedures.

  • Page 15: Introduction

    Introduction 3.1 Overview The HVL Series DC Electronic Loads are versatile instruments used for static and dynamic testing of DC power supplies, batteries, DC-to-DC converters, and battery chargers. Other applications include fuel-cell and photovoltaic cell test. The DC load can be used in one of the following operation modes: constant voltage (CV), constant current (CC), constant resistance (CR), or constant power (CW).

  • Page 16: Features

    Introduction 3.2 Features • Highest power density of 1.2 kW per 1U rack space • Input voltage up to 1 kV • Current range 25 A - 300 A • CC/CV/CR/CP operating modes • 0.05% CC mode readback accuracy • Master/Slave parallel operation •...

  • Page 17: Package Contents

    Introduction 3.3 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.

  • Page 18: Dimensions

    Introduction 3.4 Dimensions The HVL Series dimensions are approximately. Model Dimensions (W x H x D) Weight HVL 3 kW 3U 478.0 mm x 152.8 mm x 665.0 mm 48.5 lbs (22 kg) HVL 6 kW 5U 478.0 mm x 241.8 mm x 615.0 mm 73.8 lbs (33.5 kg)
  • Page 19 Introduction Figure 3.3 Front View HVL 6 kW 5U Figure 3.4 Side View HVL 6 kW 5U...

  • Page 20: Clearance Requirement

    The electronic load draws power from the DUT, generating heat equivalent to the power consumed. Hence, it’s crucial to provide sufficient clearance for the electronic load. The HVL series is an air-cooled electronic load with front intake and rear exhaust. During installation, caution must be exercised to ensure that the hot air expelled at the rear does not circulate back to the front intake.

  • Page 21: Front Panel Overview

    Introduction 3.6 Front Panel Overview Figure 3.6 Front Panel Overview Item Name Description Power Button Toggles the instrument ON or OFF. USB Host Port USB port used to connect a flash drive. Function Keys for details. section 5.1.1 Softkeys Used to invoke any functions displayed above them. Programmable Keys section 5.1.3 for details.

  • Page 22: Rear Panel Overview

    Introduction 3.7 Rear Panel Overview Figure 3.7 Rear Panel Overview Item Name Description RS232 Connect a RS232 cable to remotely control the unit. GPIB Connect a GPIB cable to remotely control the unit. Connect a USB type B to type A to remotely control USB interface the unit.

  • Page 23: Getting Started

    Getting Started Before connecting and powering up the instrument, please review the instructions in this chapter. 4.1 Input Power and Fuse Requirements The supply has a universal AC input that accepts line voltage input within: 3 kW 3U Models 6 kW 5U Models [nc=2] 100 - 240 Vac, AC Line Input 50/60 Hz...

  • Page 24: Fuse Requirements And Replacements

    Getting Started 4.2 Fuse Requirements and Replacements An AC input fuse is necessary when powering the instrument. All models in the HVL series require a Time delay low breaking capacity 5A/250V (T 5A L 250V). For safety, no power should be applied to the instrument while changing line voltage operation.

  • Page 25: Input Connection

    Getting Started 4.3 Input Connection The electronic load input terminals use M10 screws and nuts or M6 screws threads to connect to the input source. It is recommended to use the proper wire and lug for the load wiring. The following factors are needed to take into consideration: •...

  • Page 26: Noise And Impedance Effects

    Getting Started 4.3.2 Noise and Impedance Effects To minimize noise pickup or radiation interference, use a shielded pair wiring or the shortest possible length for load wires. Connect the shield to the chassis via a rear panel mounting screw. If shielding is impossible or impractical, simply twisting the wires together will offer some noise immunity. When using local sense connections, the user must use the largest practical wire size to minimize the effects of load line impedance on the regulation of the load.

  • Page 27: Local/Remote Sense

    Getting Started 4.4 Local/Remote Sense The electronic load is capable of sensing voltage locally or remotely. If the load wiring is relatively short and the load regulation is not critical, local sense configuration is good enough. On the other hand, if the load wiring is relatively long, configuring to remote sense will compensate for the voltage drop of the long load leads.

  • Page 28: Preliminary Check

    Getting Started 4.5 Preliminary Check Complete the following steps to verify 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 section “2.1 Input Power and Fuse Requirements”.
  • Page 29 Getting Started Figure 4.4 Home Display The HVL series is fully operable upon switching the power ON. However, to reach the specified equipment accuracy, please allow the electronic load to warm up for at least 15 minutes.

  • Page 30: Front Panel Operation

    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. 5.1 Keys 5.1.1 Function Keys There are three function keys: When navigating any Opens up a menu giving Opens the main menu bar.

  • Page 31: Programmable Keys And Esc

    Front Panel Operation 5.1.3 Programmable Keys and ESC The instrument provides three programmable keys. These keys are specialized buttons that can be assigned to perform specific functions or trigger predefined actions. The programmable keys are labeled S1, S2, and S3. These keys provide users with the flexibility to personalize their experience by assigning frequently used commands.

  • Page 32: Input Control

    Front Panel Operation 5.1.5 Input Control The ON button toggles the input On/Off. When input is enabled, the ON button will turn green and the load will commence the loading function. Disabled Enabled Figure 5.4 Input Control 5.1.6 Navigation Keys and Screenshots The navigation keys are a set of keys used to navigate through parameters in menus or increase/decrease the value of the selected parameter.

  • Page 33: Operation Modes

    Operation Modes The HVL series offers the following modes. Load Modes ..............

  • Page 34: Load Modes

    Operation Modes 6.1 Load Modes The electronic load provides five static load modes. They are constant current (CC) mode, constant voltage (CV) mode, constant resistance (CR) mode, constant power (CP) mode and short mode. To view the Modes menu return to the home page by pressing the Display function key, then press the Figure 6.1 Static Modes...

  • Page 35: Cc Mode

    Operation Modes 6.1.1 CC Mode In constant current mode, the load will sink a current in accordance with the programmed value regardless of the input voltage. Figure 6.2 CC Mode To select CC mode return to the home page by pressing the Display function key, then press the to enter the...

  • Page 36: Cv Mode

    Operation Modes 6.1.2 CV Mode In constant voltage mode the load will sink enough current to control the DUT voltage to the programmed value. The load acts as a shunt voltage regulator when operating in CV mode. Figure 6.3 CV Mode To select CV mode return to the home page by pressing the Display function key, then press the...
  • Page 37 The potential combinations of output capacitance and output current in the DUT are practically infinite. Hence, the HVL series incorporates various loop response settings to ensure compatibility across a broad spectrum of power supplies. These settings adapt the loop response speed to the varying output capacitance values of the DUT.

  • Page 38: Cr Mode

    Operation Modes 6.1.3 CR Mode In constant resistance mode the load will sink a current linearly proportional to the voltage in accordance with the programmed resistance value. Figure 6.4 CR Mode To select CR mode return to the home page by pressing the Display function key, then press the to enter the...

  • Page 39: Cw Mode

    Operation Modes 6.1.4 CW Mode In constant power mode the load will maintain the input power at the specified programmed power level. Figure 6.5 CP Mode To select CP mode return to the home page by pressing the Display function key, then press the softkey to enter the...

  • Page 40: Short Mode

    Operation Modes 6.1.5 Short Mode The HVL Series can simulate a short-circuit at the input. This allows for a short-circuit load test up to the maximum current range of the load. Figure 6.6 Short Mode To select Short mode return to the home page by pressing the...

  • Page 41: Ranges

    Operation Modes 6.1.6 Ranges The HVL series provides three range settings; High, Low, and Custom. Low Range is 1/10 of the full scale, while High Range is full scale. Custom (Set Range) allows the user manually configure any range equal to or less than full scale. These ranges are all applicable to all Static Modes;...

  • Page 42: Transient Operation

    Operation Modes 6.2 Transient Operation Transient operation enables the module to periodically switch between two load levels. This function allows for dynamic characteristics of power supplies or other DC sources. Transient operation is available in CC, CR, CV and CP modes. Transient testing can be used to check the stability of the source voltage.
  • Page 43 Operation Modes Figure 6.8 Hold Trigger Available Step 2. Press the to configure the Trigger Delay function. F5 softkey • Sets the delay time between the trigger being sent and the triggering function occurring. The trigger parameters do not apply to continuous transient mode. Step 3.

  • Page 44: Continuous Transient Mode

    Operation Modes 6.2.1.1 Continuous Transient Mode Generates a respective pulse stream that toggles between two load levels. Upon receiving a trigger, and the load will continuously switch between the A/B levels preset. Transient loads are usually used to test the power supply’s performance under continuous changing load conditions.
  • Page 45 Operation Modes Figure 6.10 Continuous Transient Mode Menu To start the Continuous Transient Function press the Softkey. Pressing the Start Transient softkey will not enable the load input. The input must be enabled manually. Freq/Period The period value represents the time it takes for a periodic waveform to complete one full cycle or repetition.

  • Page 46: Pulse Transient Mode

    Operation Modes 6.2.1.2 Pulse Transient Mode In pulse transient operation, the electronic load generates a pulse with user-defined amplitude and width when a trigger signal is received. Figure 6.11 Pulse Transient Mode...
  • Page 47 Operation Modes Figure 6.12 Pulse Transient Mode Menu To start the Pulse Transient Function press the Softkey. Pressing the Start Transient softkey will not enable the load input. The input must be enabled manually. Pulse Width The pulse width value refers to the duration or length of time that a pulse remains on the specified level. Pulse width is measured is specified in ms.

  • Page 48: Toggle Transient Mode

    Operation Modes 6.2.1.3 Toggle Transient Mode In toggle transient operation the electronic load will switch between the main level and the transient level when a trigger signal is received. The load will remain at the transient level until another trigger is received, at which time the load will switch back from the transient level to the main level.
  • Page 49 Operation Modes Figure 6.14 Toggle Transient Mode Menu To start the Toggle Transient Function press the Softkey. Pressing the Start Transient softkey will not enable the load input. The input must be enabled manually. A/B Level The A/B Level refers to the two values the transient function will transition between. The values units will vary depending on the selected Load Mode.

  • Page 50: List Mode

    List mode allows users to generate complex sequences of input changes with rapid, precise timing, which may be synchronized with internal or external signals. The HVL series is capable of storing up to 10 programmable lists in the internal memory. Each list can have up to 100 configurable steps.

  • Page 51: List Setup

    Operation Modes 6.3.1 List Setup List mode consist of two portions List Setup and List Configuration. To setup up list mode follow the steps below: Step 1. Press Utility > Input/Seq. Mode > List Setup > List Setup to enter the List Setup menu. Figure 6.16 List Setup Menu Page 1 Step 2.
  • Page 52 Operation Modes Step 3. Press the to set the List Number of the list to be executed or configured. F2 softkey • The numeric keypad or the up and down navigation keys can be used to set the value. Step 4. Press the toggle the Pace between Dwell and Trigger.
  • Page 53 Operation Modes Step 6. Press the to view Page 2 of the List Setup menu. F5 softkey Figure 6.19 List Setup Menu Page 2 Step 7. Press the F2 softkey to set a Trigger Delay. a. Intentionally introduces a delay between the initiation of the trigger and the start of the following step.

  • Page 54: Edit List

    Operation Modes 6.3.2 Edit List To edit a list follow the steps below: Step 1. Press Utility > Input/Seq. Mode > List Setup > Edit List to enter the Edit List menu. Figure 6.20 Edit List Menu Page 1 Step 2. Press the F2 softkey to set the List Number of the list to be configured.
  • Page 55 Operation Modes Step 5. Press the to view Page 2 of the Edit List menu. F5 softkey Figure 6.21 Edit List Menu Page 2 Step 6. Press the F2 softkey to set the Repeat count. The repeat count determines how many times the list will be executed before elapsing or moving on to the selected Next list.
  • Page 56 Operation Modes • Clear All: Clears all current steps. Step 8. Use the navigation keys to navigate the available steps.(select a row) Description Step Parameters (I/V/W/R)- Set Set the level value for the selected mode. Press the Enter button to enable/disable a trigger-out BOST signal at the beginning of the step (BOST).

  • Page 57: Analog Digital I/O Connector

    Operation Modes 6.4 Analog Digital I/O Connector The analog digital input/output port provides a hardware connection for input voltage and current monitoring, external analog control, external trigger, digital output, fault output, remote on/off input and a relay connection. The pinout of the Analog Digital I/O Connector can be seen in 6.23.
  • Page 58 Operation Modes Signal Name Description Digital ground - Provides the common or reference connection for DGND digital signals such as TRIG_OUT, TRIG_IN, PORT_OUT, FAULT and External trigger signal output - A TTL compatible signal that is activated when the trigger signals from the trigger source setting is TRIG_OUT activated.
  • Page 59 Operation Modes Signal Name Description Remote inhibit signal input - A TTL compatible negative activated input signal is used as an emergency switch to disable the electronic load input. RI can be connected to an external switch reference to DGND. If the switch is closed, the RI is activated and the input will turn off.

  • Page 60: Digital Output Control

    Operation Modes 6.4.1 Digital Output Control A TTL compatible DIGITAL_OUT digital output pin can be configured by the user or by the input state of the electronic load. This pin is located at the pin 4 of the Analog DIO connector. To configure the Digital Output: Step 1.
  • Page 61 Operation Modes Step 4. Press the to expand the Remote Inhibit settings. F3 softkey • Table 6.5 shows the available controls. Remote Setting Description DISABLE The remote inhibit is disabled The RI input acts as an input on/off control signal. If the RI is low or short LIVE from DGND, the input turns off.

  • Page 62: Analog State

    Operation Modes 6.4.2 Analog State To enable Analog State press Utility > Input/Seq. Mode > Analog Control > Analog State. The analog 0 to 10 volts external programming signal is equivalent of zero to full scale of the high or low range in CC, CV, CP or CP modes.
  • Page 63 Operation Modes Figure 6.26 External Control Setup...

  • Page 64: Parallel Mode

    6.5 Parallel Mode For the applications that require a large electronic load, the HVL series is capable of being connected in parallel with up to 10 units of the same voltage rating model. The electronic load can be set to master or slave unit in the parallel operation.
  • Page 65 Operation Modes Step 2. Press the to set the instrument’s Master/Slave state. F2 softkey • Use the Up/Down navigation keys to toggle between the available modes. (off, Master, Slave1..,Slave10) Master Slave Figure 6.28 Master/Slave Step 3. Press the F3 softkey to Scan for a master or slave units.
  • Page 66 Operation Modes • Once the scan is complete the master will display the number of slaves that were found. • If a master was found the slaves will display it is connected to the master. Master Number of Slaves Slave Connected Figure 6.30 Scan Complete Step 4.
  • Page 67 Operation Modes Figure 6.32 Parallel Operation Diagram...

  • Page 68: Rise/Fall Measurement Settings

    Operation Modes 6.6 Rise/Fall Measurement Settings The rise and fall measurement function measures and analyzes the response time and characteristics of the load when subjected to changes in voltage or current levels. This function allows users to evaluate the load’s performance in terms of how quickly and smoothly it can transition between different input levels.

  • Page 69: Input Configuration

    Input Configuration The Input Configuration settings of a DC load refer to the various parameters and options that can be adjusted to control the behavior and characteristics of the load. These settings enable users to tailor the load’s performance to suit specific testing or operational requirements. Over Protection .

  • Page 70: Over Protection

    These settings play a critical role in ensuring the safe and reliable operation of the load and the equipment under test. In order to protect both the load and the connected devices, the HVL series is equipped with various over protection settings, which include: 7.1.1 Overvoltage Protection (OVP)
  • Page 71 Input Configuration To configure the protection settings: Step 1. Press Utility > Input/Config > Protection Settings to enter the Over Protection Settings menu. Figure 7.1 Over Protection Settings Menu Step 2. Press the softkey corresponding to the desired parameter. Step 3. Use the numeric keypad to enter desired threshold. •...

  • Page 72: Input Settings

    These settings allow users to customize and control the behavior of the input, facilitating precise testing. The HVL series is equipped with the following input settings: 7.2.1 Remote Sense Remote sense enables accurate voltage regulation at the load’s terminals, compensating for voltage drops along the connecting cables.

  • Page 73: Slew Rise/Slew Fall (A/Ms)

    Input Configuration 7.2.3 Slew Rise/Slew Fall (A/ms) The slew rate determines the rate at which the load can change its output voltage or current levels. These parameters control the load’s ability to mimic rapid changes in the power source and simulate dynamic load conditions accurately.

  • Page 74: Loop Response And Cr Control

    Input Configuration 7.2.5 Loop Response and CR Control The Loop Response setting determines how quickly the load can respond to changes in the input conditions, such as voltage or current. It characterizes the load’s dynamic behavior and its ability to track rapid variations in the power source.

  • Page 75: Averaging

    Input Configuration 7.2.7 Averaging The averaging parameters determines how the load calculates and presents averaged measurements of voltage, current, or power. This parameter allow users to smooth out fluctuations and obtain more stable and representative readings during testing and evaluation processes. By configuring the averaging parameters, users can set the sample count used to calculate the average values.
  • Page 76 Input Configuration To configure the input settings: Step 1. Press Utility > Input/Config > Input Settings to enter the Input Settings menu. Figure 7.2 Input Settings Menu Step 2. Press the softkey corresponding to the desired parameter. Step 3. Use the numeric keypad to enter desired threshold. •...

  • Page 77: Data Logger

    Data Logger The data logging function allows the load to record and store various measurements and parameters during testing or operation to and external flash drive. This function enables users to capture and analyze data over time, facilitating detailed analysis, troubleshooting, and performance evaluation of the power source being tested.
  • Page 78 Data Logger Step 3. Press the to set the File Path where the file will be stored. F3 softkey • Use the navigation keys to navigate to the directory where the file will be saved. • Once in the desired directory press the to confirm the file path.
  • Page 79 Data Logger Step 6. Press the to view the available Log Data. F2 softkey • The logger can be configured to log all parameters, only voltage, or only current. • demonstrates an example where Log Data is set to All. Figure 8.4 Figure 8.4 Data Log set to All The data is recorded in the following order:...
  • Page 80 Data Logger Bit15 Bit14 Bit13 Bit12 Bit11 Bit10 Bit9 Bit8 Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 — — Table 8.2 Status Code 1 Bit15 Bit14 Bit13 Bit12 Bit11 Bit10 Bit9 Bit8 Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 —...
  • Page 81 Data Logger [nc=2]Status [nc=2]Status Code 2 Code 1 Over temperature warning Internal communication failure Over current protection Over power lock/clamping Over temperature MOSFET failure on power stage AC lost or internal Over power protection power supply fail Wait [nc=2] — for trigger Over temperature protection Parallel disabled...
  • Page 82 Data Logger Step 9. Press the to return to the Data Logger Settings Menu page 1/2. F1 softkey Step 10. Press the F1 softkey to initiate Datalog. will be displayed on the top right when data logger is on but not recording. The command INIT:IMM:DLOG will turn on data logger.

  • Page 83: Utility Menu

    Utility Menu The Utility Menu consist of the following submenus: User Settings ..............9.1.1 Key Lock Input .

  • Page 84: User Settings

    These settings allow user to customize and control the behavior of the front panel, Display, shortcut keys, etc. The HVL series is equipped with the following user settings: 9.1.1 Key Lock Input The Key Lock Input function ensures the security and integrity of load settings and parameters. With this function enabled, the DC load’s front panel controls are locked, preventing accidental or unauthorized...

  • Page 85: Shortcuts

    The Programmable Keys are customizable keys found on the front panel. These keys provide a flexible and personalized way to streamline workflows, enhance productivity, and improve user experience. The HVL series provides 3 programmable keys; S1, S2, and S3. Each of these keys can be programmed to function as shortcuts to the following menus: •...

  • Page 86: Configuring User Settings

    Utility Menu 9.1.6 Configuring User Settings To configure the user settings: Step 1. Press the Utility button> Utility softkey> User Settings to enter the User Settings menu. Figure 9.1 User Settings Menu Step 2. Press the softkey corresponding to the desired parameter. Use the numeric keypad to enter the appropriate value •...

  • Page 87: Remote Interfaces

    This allows for remote operation in applications where physical access to the load may be challenging, unsafe, or impractical. 9.2.1 USB The HVL series supports USBVCP and USBTMC Figure 9.2 USB Settings The VISA Resource string provides the following information: USB0::<Vendor ID>::<Product ID>::<Serial Number>:INSTR...
  • Page 88 Utility Menu USBTMC The USBTMC (USB Test and Measurement Class) interface is a standardized protocol used for communication and control between test and measurement instruments and computers via USB (Universal Serial Bus) connections. It provides a reliable and efficient means of transferring data and commands between the computer and the instrument, enabling seamless integration and control of various measurement devices.

  • Page 89: Lan

    DC load into networked environments, providing convenience, flexibility, and enhanced capabilities. The HVL series is LXI certified. LXI (LAN eXtensions for Instrumentation) LAN certification is a recognized industry standard that ensures compatibility, interoperability, and compliance of instruments and devices with the LXI specification for LAN-based test and measurement systems.

  • Page 90: Configuring Lan Settings

    Utility Menu 9.2.3 Configuring LAN Settings To configure the LAN settings: Step 1. Press the Utility button> Utility softkey> I/O Config > LAN Settings to enter the LAN Settings menu. Static IP Mode Dynamic IP Mode Figure 9.4 LAN Settings Menu Step 2.

  • Page 91: Lan Status

    Utility Menu 9.3 LAN Status A LAN Status function is a feature that provides information about the status of a local network. It allows users to monitor the connectivity of the load. The LAN Status function provides details such as: •...

  • Page 92: Gpib

    Utility Menu 9.4 GPIB The GPIB (General Purpose Interface Bus), also known as IEEE 488, is a standard communication interface. It is primarily designed to facilitate communication between various devices. The GPIB interface provides a common method for connecting multiple devices and allows them to exchange data and commands over a shared bus.

  • Page 93: Test/Admin

    Utility Menu 9.5 Test/Admin The test and admin menu provides two primary functions: conducting an assessments of the loads state and provide administrative capabilities. 9.5.1 Self-Test The self-test function performs a diagnostic tests to verify proper functioning. It allows the DC load to check its internal components to provide a pass fail result on the load’s state and module.

  • Page 94: Security

    Utility Menu 9.5.2 Security The security page of a DC load refers to a dedicated section safeguarding the load’s functions and features from unauthorized access. This function/features are safeguarded since miss used of them could lead to impairment of the loads operation. The security page encompasses the following functions/features: Calibration The calibration function allows for the adjustment and verification of the load’s measurement accuracy...
  • Page 95 Utility Menu To access the functions/features located in the security section follow the steps below: Step 1. Press the Utility button> Utility softkey> Test/Admin > Security. Figure 9.9 Security Status Locked The Security Settings are locked and be accessed by entering the default code 13579.

  • Page 96: Error Log

    Utility Menu 9.6 Error Log The error log can store up to 50 previously triggered error codes. The error log function records up to 50 previously triggered error code caused by faults, or abnormal conditions that occur during the operation of the load. It provides a log or history of these events, allowing users to identify and analyze issues.

  • Page 97: Saving The Error Log

    Utility Menu Code Description 0X01 Over current protection 0X03 Over power protection 0X05 Over temperature protection 0X06 Reverse current protection 0X07 Remote sense fault 0X09 Remote inhibit 0X0b Over voltage protection 0X0c Under voltage protection 0X0d Protect of system shutdown 0X0e Oscillation 0X10...

  • Page 98: Help

    Utility Menu 9.7 Help To enter the Help menu: Press the Utility button > Utility softkey > Help. Figure 9.12 Help Menu Use the navigation keys to select one the help options shown in figure 9.12. To select the Quick help topic press the Enter button or press the Select softkey.
  • Page 99 Utility Menu System Info To view the instrument’s general information: Press the Utility button > Utility softkey > Help > System Info. Figure 9.13 System Info...

  • Page 100: Specifications

    Specifications High Voltage DC Electronic Loads HVL Series Specifications Note: All specifications apply to the unit after a temperature stabilization time of 30 minutes over an ambient temperature range of 23 °C ± 5 °C. Model HVL600150 HVL80075 HVL100025 HVL600300...
  • Page 101 High Voltage DC Electronic Loads Specifications HVL Series Specifications (cont.) Note: All specifications apply to the unit after a temperature stabilization time of 30 minutes over an ambient temperature range of 23 °C ± 5 °C. Model HVL600150 HVL80075 HVL100025...

  • Page 102: Service Information

    Service Information Warranty Service: Please go to the support and service section on our website at bkprecision.com to obtain an 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 103: Limited Three-Year Warranty

    LIMITED THREE-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 13years from date of purchase. B&K Precision Corp. will, without charge, repair or replace, at its option, defective product or component parts.

This manual is also suitable for:

Hvl600150Hvl800150Hvl600300Hvl80075Hvl100050Hvl100025

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