Mean Well DBU-3200 Instruction Manual
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Mean Well DBU-3200 Instruction Manual

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DBU-3200
Instruction Manual

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Summary of Contents for Mean Well DBU-3200

  • Page 1 DBU-3200 Instruction Manual...

  • Page 2: Table Of Contents

    DBU-3200 Instruction Manual Index 0.Product Description ................1.Notes on Operation ................. 2.Mechanical Design and Installation Procedure ......... 3.Derating Curve ..................3.1 Charging Current vs Temperature ............. 3.2 Charging Current vs Input Voltage ............ 4.Pin Assignment ..................5.LED Indication ..................6.Explanation of Operation Logic ...............

  • Page 3: Product Description

    ◎ When connecting or disconnecting wires, please ensure the charger is OFF. ◎ Under normal operating conditions, a 5 years warranty is offered for DBU-3200. If failure results from improper operation, the warranty will not apply to the defective units.

  • Page 4: Derating Curve

    Installation Procedure: Please make sure the charger is OFF before connecting the battery to the output terminal. Choose a cable with suitable wire gauge according to the charging current to connect between the charger and the battery. Battery polarity must be connected correctly:Terminal(+) to Battery(+); Terminal(-) to Battery(-), and take notice that the positive and negative ends are not shorted.

  • Page 5: Led Indication

    CN500 Pin No. Function Description Differential digital signal for parallel control. Differential digital signal for parallel control. Negative output voltage signal. -V (Signal) It is for local sense; and certain function reference; it cannot be connected directly to the load. For standard model: None.

  • Page 6: Charge Curve

    STATUS DBU-3200-24 DBU-3200-48 CONSTANT CURRENT 110A BOOST CHARGE VOLTAGE 28.8V 57.6V FLOAT CHARGE VOLTAGE 27.6V 55.2V Figure Charge Curve Explanation for 3 stage charge curve (0) Initial stage (battery analysis)：Check battery voltage level to see whether there is a battery connected.

  • Page 7: Pmbus And Canbus Communication Interface

    XX means the CAN ID of DBU-3200 A0-A2 allows users to designate an address or ID for the DBU-3200 unit; these three bits are defined through PIN7 (A0), PIN8 (A1) and PIN9 (A2) on CN1. There are up to 8 different addresses are available to be assigned.

  • Page 8: Pmbus Communication Interface

    IOUT_SET(0x0030) (regarding Output current programming function). 8.2 PMBus Communication Interface ◎DBU-3200 is compliant with PMBus Rev.1.1, the maximum communication speed is 100KHz and the maximum number of assignable addresses is up to 8 units on a bus. ◎PMBus communication interface is able to provide the current operating status and information as follows: 1.
  • Page 9 ◎PMBus commands: The command list of the DBU-3200 is shown in Table 8-2. It is compliant with the standard protocol of PMBus Rev. 1.1. For more detailed information, please refer to PMBus official website (http://pmbus.org/specs.html) Table Command Command Transaction # of data...
  • Page 10 Command Command Transaction # of data Description Code Name Type Bytes Constant current setting value of charging curve CURVE_CC R/W Word (format: Linear, N= -2) Constant voltage setting value of charging curve CURVE_CV R/W Word (format: Linear, N= -9) Constant voltage setting value of charging curve CURVE_FV R/W Word (format: Linear, N= -9)
  • Page 11 ◎ Definition of Command B8h CHG_STATUS： Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 High byte FVTOF CVTOF CCTOF BTNC NTCER EEPER Low byte FULLM Low byte Bit 0 FULLM：Fully Charged 0＝NOT fully charged 1＝fully charged Bit 1 CCM：Constant Current Mode Status 0＝the charger NOT in constant current mode 1＝the charger in constant current mode Bit 2...
  • Page 12 Note: EEPER：When EEPROM Charge Parameter Error occurs, the charger stops charging the battery and the LED indicator turns red. The charger needs to re-power on to re-start charging the battery. NTCER：When Temperature Compensation Short occurs, the charger output will shut down and the LED indicator will turn red.
  • Page 13 PMBus Data Range and Tolerance ◎ Display parameters PMBus command Model Range Tolerance ±10V READ_VIN 80 ~ 264V ±0.18V 0 ~ 15V ±0.36V READ_VOUT 0 ~ 30V ±0.48V 0 ~ 60V ±2.5A 0 ~ 150A READ_IOUT ±1.34A 0 ~ 80A (Note.
  • Page 14 . It is VOUT_TRIM that s ets up the amount of trimmed voltage. Taking DBU-3200-24 as an example, to get a 18V output, please set value of VOUT_TRIM to -6V Adjustable voltage range for each model is shown as below:...
  • Page 15 Linear Format Data Bytes The Mode bits are set to 000b. The Voltage, in volts, is calculated from the equation: Voltage V Where: Voltage is the parameter of interest in volts; V is a 16 bit unsigned binary integer; and N is a 5 bit two's complement binary integer.
  • Page 16 Communication Example - Practical Operation of Charger Mode The following steps will describe how to set the DBU-3200-48 to charger mode and adjust its curve for a 2-stage charging process, with a constant current (CC) of 30A and a constant voltage (CV) of 56V.
  • Page 17 Data: 0x00(Lo) + 0x70(Hi) → 0x7000 → 28672 × 2 = 56V。 7.Finally, short circuit Remote ON-OFF (PIN4) and +5-AUX (PIN3) pins of the CN1 connector on the charger to remote on it to charge the batteries. +5V-AUX DBU-3200 Remote ON-OFF...
  • Page 18 This protocol uses Extended CAN 29-bit identifier frame format or CAN 2.0B. ◎ Communication Timing Min. request period (Controller to DBU-3200): 50mSec。 Max. response time (DBU-3200 to Controller): 12.5mSec。 Min. packet margin time (Controller to DBU-3200): 12.5mSec。 Request period (Controller to PSU/CHG) PSU CAN-RX (form Controller)
  • Page 19 Data filed bytes ..COMD. low byte COMD. high byte Data low 1 Data high 6 NOTE: DBU-3200 will not send data back when writing parameters, such as VOUT_SET 8.3.1 CANBus Command list Command Command Transaction # of data Description...
  • Page 20 Command Command Transaction # of data Description Code Name Type Bytes Manufacture serial number 0x0087 MFR_SERIAL_B0B5 Manufacture serial number 0x0088 MFR_SERIAL_B6B11 Constant current setting of charge curve 0x00B0 CURVE_CC (format: value, F=0.1) Constant voltage setting of charge curve 0x00B1 CURVE_CV (format: value, F=0.1) Floating voltage setting of charge curve 0x00B2...
  • Page 21 Bit 4 SHORT：Short circuit protection 0＝Shorted circuit do not exist 1＝Shorted circuit protected Bit 5 AC_FAIL：AC abnormal flag 0＝AC input range normal 1＝AC input range abnormal Bit 6 OP_OFF：DC status 0＝DC output turned on 1  ＝DC output turned off Bit 7 HI_TEMP：Internal high temperature protection 0＝Internal temperature normal 1＝Internal temperature abnormal...
  • Page 22 ◎MFR_MODEL_B0B5 (0x0082) is the first 6 codes of the manufacturer's model name (ASCII); MFR_MODEL_B6B11 (0x0083) is the last 6 codes of the manufacturer's model name (ASCII) EX: Model names is DBU-3200-48 → MFR_MODEL_B0B5 is DBU-32；MFR_MODEL_ B6B11 is 00-48 MFR_MODEL_B0B5 Byte 0...
  • Page 23 ◎CURVE_CONFIG(0x00B4, only for charger mode)： Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 High byte FVTOE CVTOE CCTOE Low byte STGS CUVS Low byte Bit 0:1 CUVS：Charge Curve Selection 00＝Customized charge Curve(default) 01＝Gel Battery 10＝Flooded Battery 11＝AGM Battery Bit 3-2 TCS：Temperature Compensation Setting 00＝...
  • Page 24 ◎CHG_STATUS(0x00B8, only for charger mode) ： Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 High byte FVTOF CVTOF CCTOF BTNC NTCER EEPER Low byte FULLM Low byte Bit 0 FULLM：Fully Charged Mode Status 0＝NOT fully charged 1＝fully charged Bit 1 CCM：Constant Current Mode Status 0＝the charger NOT in constant current mode 1＝the charger in constant current mode Bit 2 CVM：Constant Voltage Mode Status...
  • Page 25 Bit 6 CVTOF：Time Out Flag of Constant Voltage Mode 0＝NO time out in constant voltage mode 1＝constant voltage mode timed out Bit 7 FTTOF：Time Out Flag of Float Mod 0＝NO time out in float mode 1＝float mode timed out 8 3 3 CANBus Value Range and Tolerance (1) Display parameters CANBus command Model...
  • Page 26 (2)C ontrol parameters Default CANBus command Tolerance Model Display value range OPERATION 00h(OFF)/01h(ON) ±0.36V 18~30V VOUT_SET ±0.48V 36~60V ±5.32A 22~110A 110A IOUT_SET ±2.68A 11~55A ±5.32A 22~110A 110A CURVE_CC ±2.68A 11~55A ±0.36V 18~30V 28.8V CURVE_CV ±0.48V 36~60V 57.6V ±0.36V 18~VBST 27.6V CURVE_FV ±0.48V 36~VBST...
  • Page 27 Note: 1.READ_IOUT will display ZERO amp when output current is less than values in the table below. Model Minimum readable current 5.3A±1A 2.7A±1A 2. The setting of CURVE_FV must be less than or equal to CURVE_CV. If CURVE_FV is greater than CURVE_CV, it will be CURVE_VF=CURVE_CV stored in EEPROM.
  • Page 28 Practical Operation of Charger Mode The following steps will describe how to set the DBU-3200-48 to charger mode and adjust its curve for a 2-stage charging process, with a constant current (CC) of 30A and a constant voltage (CV) of 56V 1.Set the address of the charger to “0”...
  • Page 29 0x3002 Data: 0x02(Lo) + 0x30(Hi) → 0x0230 → 560 = 56V。 7.Finally, short circuit remote ON-OFF (PIN4) and +5-AUX (PIN3) pins of the CN1 connector on the charger to remote on it to charge the batteries. +5V-AUX DBU-3200 Remote ON-OFF...

  • Page 30: Function Description

    9.Function description 9.1 Input voltage ◎The input voltage range is AC90~264V DC127~370V ◎The provided input voltage must fall within the specified range; otherwise, the unit may be non-functional. Also the active PFC circuit may fail or get damaged. ◎The efficiency will be lower and the output current should be reduced according to the Derating Curve when the unit is applied with an input voltage below AC180V.

  • Page 31: Suggested Battery Capacity

    Green after a long charging Output cables are too thin Replace with suitable wire gauge period If you are unable to clarify the problem you are facing, please contact MEAN WELL or any of our distributors for repair service.
  • Page 32 N o . 2 8 , W u q u a n 3 r d R d . , W u g u D i s t . , N e w Ta i p e i C i t y 2 4 8 , Ta i w a n...

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