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DV Power BLU-C Series Manual

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Battery Load Unit BLU-C Series & Extra Load Unit BXL Series
BATTERY LOAD UNIT
BLU-C SERIES
&
EXTRA LOAD UNIT
BXL SERIES
Manual
Manual Version: M-BLUNS2-309-EN
This Manual refers to firmware versions 1.xx / 3.xx / 4.xx / 5.xx / 6.xx / 7.xx / 8.xx / 9.xx
This Manual refers to the SBC application: from 2.2.0.0
Publishing date: 2023-12-16

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Summary of Contents for DV Power BLU-C Series

  • Page 1 Battery Load Unit BLU-C Series & Extra Load Unit BXL Series BATTERY LOAD UNIT BLU-C SERIES & EXTRA LOAD UNIT BXL SERIES Manual Manual Version: M-BLUNS2-309-EN This Manual refers to firmware versions 1.xx / 3.xx / 4.xx / 5.xx / 6.xx / 7.xx / 8.xx / 9.xx This Manual refers to the SBC application: from 2.2.0.0...

  • Page 2: Table Of Contents

    BLU-C & BXL Series - Models ........................8 DESCRIPTION ........................8 Front Panel Components ..........................8 2.1.1 BLU-C SERIES ............................8 2.1.2 BXL SERIES ............................11 GETTING STARTED ......................12 Connecting BLU-C, BXL & BVS to Test Object ..................12 3.1.1...
  • Page 3 BLU-C & BXL Series Manual 4.2.3 Parallel Mode ............................64 4.2.4 Profile Mode ............................. 65 4.2.5 BVS (Cell Voltage Monitoring) ......................... 66 Result Screen .............................. 70 RESULTS ........................... 72 MAINS POWER INTERRUPTION – AUTOMATIC TEST RESUME ........74 MEASUREMENT PARAMETERS ..................75 EXTERNAL ALARM FUNCTION ..................

  • Page 4: Introduction

    BLU-C & BXL Series Manual 1 Introduction The purpose of this Manual is to provide helpful instructions on how to use the BLU-C instrument safely, properly and efficiently. It contains information on how to use the BXL Extra Load units as well. Included instructions will help the user to avoid unsafe situations, reduce maintenance costs and will ensure the reliability and durability of the BLU-C/BXL instrument.

  • Page 5: Orderly Practices And Procedures

    BLU-C & BXL Series Manual 1.1.3 Orderly Practices and Procedures • The Manual shall always be available on the site where the BLU-C/BXL is used. • Before using the BLU-C/BXL, all personnel (even personnel who only occasionally, or less frequently, work with the BLU-C/BXL) assigned to operate the BLU-C/BXL should read this Manual.

  • Page 6: Disposal

    DV Power will also void the warranty. • If the BLU-C/BXL seems to be malfunctioning, please contact the DV Power Support Team (refer to the "Manufacturer Contact Information” section) after previously checking the “Error Messages” section.

  • Page 7: Power Supply

    800 V DC. The Battery Extra Load Units - BXL Series can be used as an additional load to be used in combination with BLU-C series if required discharge current or power exceeds the capacity of a single / available BLU-C devices.

  • Page 8: Blu-C & Bxl Series - Models

    BLU-C & BXL Series Manual BLU-C & BXL Series - Models BLU-C Series Model Overview Model BLU100C BLU200C BLU300C BLU400C BLU500C BLU570C BLU600C BLU700C BLU800C Imax (A) Umax (V)* Pmax (kW) _functionality** Parallel _operation*** * Maximum operating voltage. ** Individual cell voltage monitoring feature.
  • Page 9 BLU-C & BXL Series Manual Figure 2-2: BLU800C/ BLU570C front panel Figure 2-3: BLU500C/ BLU300C/ BLU100C front panel 1. 7‘’ color touch screen display Displays settings during device test mode selection, as well as the measured values during and after test operation.
  • Page 10 BLU-C & BXL Series Manual External input and output are Ethernet ports used to connect two or more BLU devices when parallel discharge test is applied. Connection is established using a network cable and RS485 communication. BLU100A does not provide parallel operation feature. 4.

  • Page 11: Bxl Series

    BLU-C & BXL Series Manual 2.1.2 BXL SERIES 1. Display LCD screen 16 characters by 2 lines with backlight, visible at bright sunlight. 2. Keyboard To control the device please use: • UP/DOWN buttons to set test parameters. • ENTER button to confirm selected test parameters and language settings. •...

  • Page 12: Getting Started

    BLU-C & BXL Series Manual Current and Voltage terminals The instrument is equipped with current and voltage test cable terminals. Protective Earth Connector For protection against parasitic currents or voltages, always connect the BXL protective earth connector to the protective ground (PE). Use only the manufacturer supplied cable. For safety reasons, always establish this connection before establishing any other connections, and remove this connection as the very last step.

  • Page 13: Current Probe (Cp) Mode

    BLU-C & BXL Series Manual Figure 3-1: Connecting BLU-C to test object 3.1.2 Current Probe (CP) Mode If the required discharge current or power exceeds the capacity of a single BLU device, the BXL series external load units can be used. To connect the BXL device the user should follow the same approach as when connecting the BLU-C device.

  • Page 14: Blu-C + Bvs Monitoring System

    BLU-C & BXL Series Manual established using Ethernet ports and RS485 communication. The communication is based on a MASTER- SLAVE principle – an arbitrarily selected device is set as the MASTER while all the other BLU devices should be set as SLAVE units. In the parallel connection the discharge current (power) is distributed evenly on all paralleled units.

  • Page 15: Blu-C + Bvs

    BLU-C & BXL Series Manual Battery Voltage Monitoring System BVS Series is offered in 2 models: BVS and BVS-4: 1. BVS – system enables monitoring cell voltages, intercell voltages and cell temperatures (as an option). The number of required modules is equal to the number of cells (“one module monitors one cell”).
  • Page 16 BLU-C & BXL Series Manual Win software. It is recommended to start setting from the first cell in the battery string to the last in the proper order, for an easier analysis of test results & detection of bad cells. 3.
  • Page 17 BLU-C & BXL Series Manual Note: Voltage sense cables provided with BVS have an additional insulation layer on banana connectors (as shown in Figure 3-6), to prevent short-circuiting the battery during BVS connection. An additional protection of battery short-circuit is provided by fuses that are installed in VS cables (covered with yellow outer casing), to comply with IEEE 1491 standard for Battery monitoring systems.
  • Page 18 BLU-C & BXL Series Manual In this case (with cell no.1 connected to main (-) battery terminal), CVM no.2 will measure the intercell connection voltage between cell 1 and cell 2 (as shown in figure below). Accordingly, CVM no.3 will measure the intercell voltage between cell 2 and cell 3, etc (refer to Section 3.2.2 for more details).
  • Page 19 BLU-C & BXL Series Manual Figure 3-8 a): Installation procedure for connecting CVM to battery Cell. 1 connected to main (+) terminal BLU-C Figure 3-8 b): Installation procedure for connecting CVM to battery with 6 cells Cell. 1 connected to main (+) terminal M-BLUNS2-309-EN...

  • Page 20: Blu-C + Bvs-4

    BLU-C & BXL Series Manual 3.1.4.2 BLU-C + BVS-4 Figure 3-9: Cell Voltage Module (CVM-4) front View The CVM-4 components marked in the figure 3-9 represent: 5. LED indication Red LED: Flashes during the CVM-4 initialization Turns on in case of reaching the alarm voltage values 6.
  • Page 21 BLU-C & BXL Series Manual Connecting BVS-4 to Battery The BVS-4 is designed as a supervisory system that can be easily configured for different battery sizes and configurations. The BVS-4 modules can be mounted in different configurations due to their lightness, small size and simple design.
  • Page 22 BLU-C & BXL Series Manual Step 3: After cleaning the battery surface, Step 4: After attaching the CVM-4 to the battery, firmly attach the velcro strap and CVM-4 to the connect the communication cables and voltage battery to make a firm connection. sense cables as described in this chapter.
  • Page 23 BLU-C & BXL Series Manual battery. The connection diagram of BVS-4 system in this case is shown in Figure 3-2. As show in these two figures (Figure 3-10 and Figure 3-11), the modules are addressed starting from the CVM-4 connected to cell marked with No.1 for both connection types. In this way, the cell marking of each cell of the battery will correspond to the ordinal number in DV-B Win.
  • Page 24 BLU-C & BXL Series Manual 2 (negative (-) terminal of cell No. 3 in Figure 3-10) 4. The black cable marked with No.4 is connected to the fourth negative (-) terminal in the row of the corresponding module CVM-4. 5. The red cable marked with No.5 is connected to the positive terminal of the fourth cell in the row of the corresponding module CVM-4 ((+)
  • Page 25 BLU-C & BXL Series Manual BLU-C Figure 3-11: Installation procedure for connecting the BVS-4 to a battery with 8 cells terminal of the battery – it is necessary to select the corresponding BVS (Cell No. 1 is connected to the main menu on BLU-C) NOTE: If the total number of battery cells is divisible by 4 (for example 8), all four (4) voltage measurement...

  • Page 26: Setting Test Parameters

    BLU-C & BXL Series Manual Figure 3-13: Connection diagram of BLU-C and BVS-4 (4 x CVM-4 modules) to a 16-cell battery Setting Test Parameters The BLU-C instrument can perform the following tests: • Discharge test • Parallel discharge test (all models except BLU100C and BLU200C models) •...

  • Page 27: Setting Menu

    BLU-C & BXL Series Manual Figure 3-15: Header, Body and Footer of the application screen The left part of the header is reserved for the Back icon. By clicking this icon, the user is returned one screen backwards. This icon is represented by “<< Previous screen name”, where the text right to << represents the name of the screen where the user will be returned upon clicking this icon.

  • Page 28: General Settings

    BLU-C & BXL Series Manual 3.3.1 General Settings These are general application settings. Four options are available: Language, Date/Time, Software, Log, Backup and Management. Figure 3-17: General settings 3.3.1.1 Language English language is selected by default. Other available languages are Italian and German. Translation to other languages is currently in process.

  • Page 29: Log Menu

    The button initiate downloading all templates from the database to USB memory stick. 3.3.1.6 Management This menu can only be used by DV Power personnel during manufacturing / testing / calibration of the BLU-C unit. The menu is password-protected. 3.3.2 Test Settings...
  • Page 30 BLU-C & BXL Series Manual - Capacity temperature compensation feature, - Pass / Fail criteria for measured capacity, and - change all settings to default settings. The Capacity temperature compensation feature (Figure 3-21 & 3-22) offers automatic recalculation of ◦ measured capacity at ambient temperature to capacity at 25 C.

  • Page 31: Monitoring

    BLU-C & BXL Series Manual Pass / Fail notification will be presented by different colors of the measured capacity in the Results menu (Pass – green, Fail - red). Pass / Fail information will be stated in test report created using the DV-B Win software.
  • Page 32 BLU-C & BXL Series Manual Figure 3-26: Battery monitoring menu The following parameters can be set: Number of BVS-4 modules, Number of cells, Sample rate, Min and Max Voltage. Before starting the test, it is necessary to assign a corresponding address to each CVM-4 connected module.

  • Page 33: Test Templates Database

    BLU-C & BXL Series Manual Test Templates Database BLU-C provides an option to create and store test templates offline, which can be later on easily loaded and applied. This can save significant amount of time spent in the field, as complete test procedure can be prepared in the office.

  • Page 34: Single Mode

    BLU-C & BXL Series Manual Figure 3-29: Test Mode selection 3.5.1.2 Single Mode The Single mode should be selected if only one BLU-C unit will be used for the discharge test. In another words, the regular battery load should be disconnected and any additional load units should not be connected to the battery.

  • Page 35: Current Probe (Cp) Mode

    BLU-C & BXL Series Manual 3.5.1.3 Current Probe (CP) Mode The test needs to be performed in the CP mode if the battery needs to remain connected to the load or the BXL device (or other device) is used as an additional load to increase discharge current / power. In this mode the measurement will be based either on the total battery current or a load current being measured by the DC current probe.
  • Page 36 BLU-C & BXL Series Manual equal to the user preselected discharge current / power. During the discharge test the real-time values of the total current / power discharged from the battery and the current / power measured by the current probe will be displayed.

  • Page 37: Extra Load Units Bxl

    BLU-C & BXL Series Manual Figure 3-33b: Selecting current probe range Current probe will be zeroed automatically. If automatic zeroing is not possible, the corresponding message will be displayed and manual zeroing on the clamp will be required. 3.5.1.4 Extra Load Units BXL Extra Load Units BXL Series can be used as an additional load to increase discharge current.
  • Page 38 BLU-C & BXL Series Manual The maximum current that can be achieved by the BXL is a function of the BXL internal resistance. Relation between the maximum current of the BXL and the maximum (initial) voltage of the battery is presented in the Table 3-1.

  • Page 39: Parallel Mode

    BLU-C & BXL Series Manual Note: • The user-defined discharge current determines the number of BXL units that needs to be used. The BXL(s) need(s) to compensate difference between required load capacities and BLU-C load capacities. • The BXL is a resistive and non-regulative load. The current conducted by the BXL at the beginning of the test will be different (higher) than the BXL current at the end of the test (due to change in the battery voltage).
  • Page 40 BLU-C & BXL Series Manual connections are to be connected to the minus terminal at the end of the battery row. It is necessary to connect the RS485 connection cable between EXT OUT on the Master and EXT IN on the Slave unit. Figure 3-38: Connecting two BLU-C devices to test object for...
  • Page 41 BLU-C & BXL Series Manual BLU100C and BLU200C models do not provide parallel operation feature. Multiple BLU100C / BLU200C units can be used only if one BLU100C / BLU200C operate in CP mode. When selecting the Parallel Mode, the BLU changes the display to the Test Settings menu for a parallel discharge test.

  • Page 42: Parallel & Cp Mode

    BLU-C & BXL Series Manual Figure 3-40: Screen on Slave before test is started The following screen is displayed on Master unit (Test Preview) before test is started: Figure 3-41: Screen on Master before test is started 3.5.1.6 Parallel & CP Mode (In the development stage) Parallel &...

  • Page 43: Test Type Menu

    BLU-C & BXL Series Manual To set Parallel & CP Mode, the user needs to establish parallel connection between BLU units using Ethernet ports, network cable and RS485 communication. The communication is based on a MASTER- SLAVE principle: One device is always selected to be the MASTER and all the others are the SLAVE units.

  • Page 44: Constant Voltage Mode (Const U)

    BLU-C & BXL Series Manual - Constant resistance (the BLU-C resistance is constant throughout the test. The resistance value is defined by the user prior the test. The user can change the resistance during the test (for example 0,1 Ω ->...
  • Page 45 BLU-C & BXL Series Manual Figure 3-44: The Test type settings After the required profile has been selected (I, P or R) the test mode needs to be selected. Available options are Single, CP, Parallel & Parallel & CP (information about each mode can be found in Section 3.4.1.1.

  • Page 46: Test Value

    BLU-C & BXL Series Manual Figure 3-46: Profile test settings Pressing the ADD button, the following screen enabling setting a new interval will be displayed (Figure 3- 47): Figure 3-47: Profile – adding new interval End of the previous time interval is stated as beginning of next time interval (t1). After defining end time of the interval (t2), the user needs to select start and end value of discharge current (Profile I) or power (Profile P) or resistance (Profile R).

  • Page 47: Limits Menu

    BLU-C & BXL Series Manual Figure 3-48: Test current value selection 3.5.2.3 Limits Menu The BLU-C provides 4 adjustable stop points: battery string voltage, discharge time, discharge capacity, and the cell voltage. In order to set the values of the stop points, the Limits menu should be entered by selecting the Limits button.
  • Page 48 BLU-C & BXL Series Manual Figure 3-50: Nominal voltage selection The user needs to enter the total number of cells, for correct calculation of total battery limits, as well as proper settings of the cell voltage monitoring system (BVS), if used. Figure 3-51: Number of cells Parameters in the BVS Limits menu needs to be set only if BVS cell voltage monitoring system is used.
  • Page 49 BLU-C & BXL Series Manual 2. Cell temp [°C] - If cell temperatures are measured during the test (using CVM-4 or CVM modules), the user can enter Warning limit. If temperature of any cell is equal to entered Warning limit (55 °C in Figure 3-53) the corresponding message will be displayed.
  • Page 50 BLU-C & BXL Series Manual Figure 3-54: Voltage limits settings The user can also set the Capacity limit. Capacity limits can be entered in [Ah] or [kWh] units, if nominal capacity of the battery is entered in [Ah] or [kWh], respectively. If entered End limit is reached, the test will be automatically stopped.

  • Page 51: Bvs Menu

    BLU-C & BXL Series Manual Figure 3-56: Time Limits Ambient Temperature Warning & End parameters can be set (Figure 3-56a). If ambient warning temperature parameter is reached, the test will not be stopped, and an appropriate message will be displayed. If the End limit is reached, the test will be paused, and corresponding Pause menu will be displayed (Figure 3-53).
  • Page 52 BLU-C & BXL Series Manual A CVM module enables measurement of 1 cell voltage, 1 intercell voltage and 1 cell temperature. For example, cell measurement on 16 cells requires 16 modules. 2. CVM-4 modules A CVM-4 module enables measurement of up to 4 cell voltages and 1 cell temperature. To activate BVS, click on BVS menu on the New Test screen.
  • Page 53 BLU-C & BXL Series Manual Note: If the user selects the BVS-4 option, it would be required to provide additional information, in order cell voltages to be properly linked to corresponding CVM-4 modules and properly displayed. The user will need to choose whether the first CVM-4 module is connected to battery string “+”...
  • Page 54 BLU-C & BXL Series Manual Addressing of the modules is required to assign the adress to each connected CVM / CVM-4 module. The purpose of addressing modules is to assign addresses (ordinal numbers) to modules, which will link the CVM/CVM-4 to the cell number that it monitors. Always address the modules starting from the module connected to cell no.

  • Page 55: Test Info Menu

    BLU-C & BXL Series Manual Figure 3-62: Test preview In case any of the settings needs to be modified, pressing the Back button will display the New Test menu. That enables the user to change any entered / selected test settings. If all the settings are correct, the test can be initiated by pressing the Start button.

  • Page 56: Save Test Template

    BLU-C & BXL Series Manual Figure 3-64: Battery Info menu 3.5.2.6 Save Test Template After all the parameters are set, the user can select only to save the template or to save the template and proceed to performing the discharge test. In both cases, the test template can be found in the Test Template Database which can be found in the Home menu.

  • Page 57: Managing Test Templates

    BLU-C & BXL Series Manual 3.5.2.7 Managing Test Templates The Test Templates menu, approached from the Home page, lists all test templates stored in the instruments’ memory. Figure 3-67: Test Template database Press a template to open it. To select a template, press square button on the left side of the template. Multiple templates can be selected at a time.

  • Page 58: Creating New Test

    BLU-C & BXL Series Manual Figure 4-1: Test Preview screen This screen provides overview of selected test parameters. If there is something that needs to be changed, the user should return to the previous screen by pressing the Back button in the left side of the footer. Otherwise, the footer button Start should be pressed to run the test.

  • Page 59: Performing Discharge Tests

    BLU-C & BXL Series Manual Performing Discharge Tests 4.2.1 Single mode A test is started by pressing the START button / or with external signal in the Test Preview screen. Figure 4-3: Test Preview screen – Single mode After test has been initiated, the Test screen will be displayed (Figure 4-4). The Test screen provides information about battery parameters and test settings in numerical and graphical form.
  • Page 60 BLU-C & BXL Series Manual Alternatively, test power (in W) or test resistance (in Ω) will be displayed if Constant power or Constant resistance models has been selected prior the test. - Measured capacity (0.0 [Ah] on the Figure 4-4) – capacity measured from start of the test ◦...
  • Page 61 BLU-C & BXL Series Manual The Set value menu and the Limits menu are presented on Figure 4-6. Both menus are described in Sections 3.4.2.2. & 3.4.2.3 of this Manual. Figure 4-6: Test value menu (left) and Limits menu (right) STRING VIEW button If the user is mainly focused on graphs and not numerical data, this button enables to hide numerical data and expand the graphs to cover the entire screen.

  • Page 62: Current Probe (Cp) Mode

    BLU-C & BXL Series Manual Note Test will be automatically paused if: - ambient temperature is measured and it reached Temperature End Limit value set in Temperature limits menu, - if voltage of any cell (monitored by the BVS system) reaches BVS Voltage [V] / End Limit value set in BVS Limits menu.

  • Page 63: Cp Battery Current

    BLU-C & BXL Series Manual ◦ C]) – measured only if temperature probe is connected. Ambient temperature - Ambient temperature (-- [ value before start of test can be used to compensate measured capacity according to IEEE standards (if ◦ ambient temperature is different than 25 1.2 Limits [Warn/Stop] - Time (00:09:00 / 00:10:00) –...

  • Page 64: Parallel Mode

    BLU-C & BXL Series Manual - Battery voltage (11.4 [V]) – current battery voltage, - Test current / BLU-C current (2.1 / BC: 2.0[A]) – preset current / current discharged by BLU-C, Alternatively, test power (in W) or test resistance (in Ω) will be displayed instead of Test current if Constant power or Constant resistance modes has been selected prior the test.

  • Page 65: Profile Mode

    BLU-C & BXL Series Manual The following parameters are presented on the Master unit during the test: 1. Numerical parameters 1.1 Test values - Test time (00:00:10 on the Figure 4-10) – elapsed time from start of test, - Battery voltage (11.7 [V] on the Figure 4-10) – current battery voltage, - Test current (3.0 [A] on the Figure 4-10) –...

  • Page 66: Bvs (Cell Voltage Monitoring)

    BLU-C & BXL Series Manual Figure 4-11: Profile Mode Test screen – graph indicates current rise at start of 2 interval 4.2.5 BVS (Cell Voltage Monitoring) If the BVS system is used to monitor cell during the discharge test, it will enable monitoring the following parameters: 1.
  • Page 67 BLU-C & BXL Series Manual The user can monitor cell voltages/ intercell voltages and cell temperatures in numerical and graphical form. To make cell parameters visible, click on “Cell view” button in the header of the screen. Two options will be available: 1.
  • Page 68 BLU-C & BXL Series Manual By default, all cell voltage measurements will be displayed. However, the user may change the number of cells to be displayed, by entering the first and the last cell of the sub-string that wants to be monitored in the Cell display range fields.
  • Page 69 BLU-C & BXL Series Manual If the user needs to pause the test (for example, to replace a bad cell) it can be done by pressing the Pause button. Pressing the Pause button will pause (temporarily stop) the test and save all parameters related to the test.

  • Page 70: Result Screen

    BLU-C & BXL Series Manual terminal of the previous cell in the string. That way, cell voltage measurement of neighboring cell will be correct after cell has been removed. The Set value menu and the Limits menu are described in Sections 3.4.2.2. & 3.4.2.3 of this Manual. STOP button Pressing the STOP button, the test will be interrupted and the Cooling screen will be displayed.
  • Page 71 BLU-C & BXL Series Manual The test result name will include information on test mode and test type (Single_Const I), test value (1A) and date when test is completed (22_7_2020), Figure 4-12. The information that the result is saved in the memory will disappear in few seconds, Figure 4-13.

  • Page 72: Results

    BLU-C & BXL Series Manual 5 Results After the discharge process is completed, the test result will be saved in the BLU-C internal memory. The test name will be defined automatically, Figure 5-1. Figure 5-1: Result saved in the BLU-C internal memory The test result name will include information on test mode and test type (Single_Const I), test value (1A) and date when test is completed (22_7_2020), Figure 5-1.
  • Page 73 BLU-C & BXL Series Manual Figure 5-3: Results menu Three information are visible for each test: 1. Test name which includes information on test mode and test type (Single_Const I), test value (1A) and date when test is completed (22_7_2020) 2.

  • Page 74: Mains Power Interruption - Automatic Test Resume

    Figure 5-5: Opened test result 6 Mains Power Interruption – Automatic Test Resume The BLU-C Series instruments provide a special feature: automatic test resume in case of mains power supply interruption, short-term or long-term. The instrument will pause the discharge tests if mains power supply is interrupted, while all parameters of the discharge test (measured capacity, elapsed time, battery voltage, discharge current / power / resistance) are recorded in the device’s memory.

  • Page 75: Measurement Parameters

    BLU-C & BXL Series Manual 7 Measurement Parameters Overview of the maximum currents for various battery voltage ranges with the minimum achievable cell voltage of 1,85 V is presented in the table 7.1. The highest resolution of the reading is always displayed. Table 7.1: Maximum currents for various battery voltage ranges Batt.

  • Page 76: External Alarm Function

    BLU-C & BXL Series Manual 8 External Alarm Function This function is provided and controlled by a relay connected to a connector called “ALARM” from the figure below. This connector and the adequate cable are used for connecting to the external alarm. The relay specifications are the following: 6 A, 250 V.

  • Page 77: Warning Messages

    BLU-C & BXL Series Manual 9 Warning Messages Any operational situation requiring additional attention is indicated by an external alarm or by an alarm buzzer sound. Furthermore, the display indicates a status message. To stop the external alarm or the alarm buzzer, the status message should be removed from the display by clicking on the message.

  • Page 78: String End Capacity Reached

    BLU-C & BXL Series Manual String End Capacity Reached This message indicates that the preset end capacity value is reached. The test is stopped and the buzzer is activated with the continuous sound. The 60-sec cooling process is also started. Inverse voltage The message indicates that current or voltage sense cables have been connected improperly.

  • Page 79: Error Message "Overheating

    BLU-C & BXL Series Manual Figure 10-1: Open Connection Message 10.4 Error Message "OVERHEATING" If the BLU-C operating temperature rises too high this warning will appear. The test is stopped and the buzzer is activated with the continuous sound. The 60-sec cooling process is also started. The BLU-C unit needs to be restarted before a new test can be started.

  • Page 80: Installing Foldable Platform Truck (For Bxl Models)

    BLU-C & BXL Series Manual 11 Installing Foldable Platform Truck (for BXL models) If ordered, foldable platform truck will not be attached to the BXL transport case. However, the steps to attach the platform to the transport case is simple and not time-consumable. Step 1.

  • Page 81: Troubleshooting Guide

    BLU-C & BXL Series Manual 12 Troubleshooting guide 12.1 Voltage measurement check If it is suspected that the device is not measuring DC voltage accurately, please perform the voltage measurement check described below. 1. Connect a DC voltmeter to BLU-C device for voltage measurement check of current terminals channel, as shown in the Figure 12-1.a.

  • Page 82: Current Measurement Check

    BLU-C & BXL Series Manual 12.1.b. Figure 12-1: Connection of BLU device for DC voltage measurement check. 12-1.a. Voltage measurement check of current terminal channel 12-1.b. Voltage measurement check of VS channel Expected voltage Expected voltage Test voltage [V] Test voltage [V] on BLU device [V] on BLU device [V] 11,8 - 12,2...
  • Page 83 BLU-C & BXL Series Manual 1. Connect BLU device, a battery, a DC voltmeter and a 1 mΩ/100 mΩ test shunt (depending on the test current), as shown in Figure 12.2. 2. Select the test current values on BLU, as shown in Table 12.2, by entering the TEST menu on the device, and selecting a test in CONST I mode.

  • Page 84: Customer Service

    14 Packing the Instrument for Shipment If you need to send the instrument to DV Power for servicing, please contact the DV Power Customer Service for return instructions at: Local support (Sweden): +46 8 731 78 24 International support: +46 70 0925 000 E-mail: support@dv-power.com...

  • Page 85: Members Area

    BLU-C & BXL Series Manual 15 Members Area DV Power customer can create account to get access to DV Power Members Area. By creating an account with DV Power you get access to: • Application Notes • Published Articles To create an account please visit DV Power register on page: dv-power.com/register/.

  • Page 86: Technical Data

    • Input power: 200 VA (BLU-C / BXL), 400 VA (BLU-C + BVS) • Fuse 5 A / 250 V, type F 16.2 Dimensions and Weights • • BLU-C Series BXL Series Model Dimensions Weight Model Dimensions Weight 560 x 221 x 355 mm...

  • Page 87: Measurement

    BLU-C & BXL Series Manual 16.4 Measurement Internal Voltage Measurement Model Range Resolution Model Range Resolution 0 – 300 V DC BLU100C 0,1 V 0 – 300 V DC BXL-A 0 – 300 V DC BLU200C 0,1 V 0 – 75 V DC BXL-T 0 –...
  • Page 88 Time measurement (for BLU-C Series) Display • ± 0,1 % of reading ± 1 digit Typical accuracy: • For BLU-C Series: 7-inch touch screen color display Warranty • For BXL Series: LCD screen 16 characters by 2 • 3 years + additional 1 (one) year upon...

  • Page 89: Accessories

    BLU-C & BXL Series Manual 17 Accessories Current cables Extension cables Sense cables with dolphin clips Current probe 30/300 A Cable bag Cable for external alarm Cable set for BLU-BXL simultaneous Cable for BLU-BLU parallel Ground cable triggering operation Transport case – BLU570C & Transport case –...

  • Page 90: Order Info

    BLU-C & BXL Series Manual Order Info Instrument Article No Battery Load Unit BLU100C BLU100C-N-00 Battery Load Unit BLU200C BLU200C-N-00 Battery Load Unit BLU300C BLU300C-N-00 Battery Load Unit BLU400C BLU400C-N-00 Battery Load Unit BLU500C BLU500C-N-00 Battery Load Unit BLU570C BLU570C-N-00 Battery Load Unit BLU600C BLU600C-N-00 Battery Load Unit BLU700C...

  • Page 91: Manufacturer Contact Information

    BLU-C & BXL Series Manual IBEKO Power AB 2024 This Manual is a publication of IBEKO Power AB, 181 50 Lidingö, Sweden. These documents are protected by Swedish Copyright law and international contracts as intellectual property of the IBEKO Power AB. The documents contain confidential information of IBEKO Power AB which is protected by patent, copyright, trademarks or otherwise as inventions, trademarks or creations of IBEKO Power AB.

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