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DBLS-04-H

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Summary:

DBLS series brushless motor drive is a new type of Brushless DC motor speed control field which is developed independently in the field of modern industrial automation. It is composed of a series of advantages, such as high integration, small size, perfect protection, high reliability, and high reliability.

The main function of the drive is as follows:

  Choose a variety of speed adjustable, including input voltage setting, drive’s internal speed setting,

communication interface setting etc.

  Complete isolation of electric supply, and Hall signal interface, guarantee of security.

  Digital display panel, abundant display content settings, abundant feature setting.

  The drive device of automatic protection, automatic control of current, with undervoltage and overvoltage, blocking and hall fault lamp protection function.

  The standard series can provide 2 times or even higher short-term overload current, different products with different supply.

  It can be equipped with various types of Brushless DC motors the power range from 200W to 3000W, currently contains 4 models:
 

Product features:

1.    System characteristics:

Input Voltage: AC180-250VAC, 50/60Hz,

Continuous Output current:4.9A, suit for less than 1000W brushless motors

Max. Output current: 9.9A,

Working temp.: 0~+45°C

Storage temp.:-20~+85°C

Working & storage humidity: <85% no frosting

Structure: wall-mountable box type

DimensionL180 x W60 x H150mm

2.  Basic characteristics

Cooling mode: radiator mode

Control input and output signal: total isolation

Protection: over current, over voltage, over voltage, overheated, over speed, under voltage and control power abnormal.

Panel interface: 6 bit LED display 4 bit key operation

Input power 50/60Hz  110/220VAC

Terminal function specification

2.1

No.

Terminal Name

Signal

Function

1

L1(L)(R)

                   Power input of main   circuit

Main circuit power input terminal AC220V 50Hz, Connect   L1 and L2 while using single phase voltage 220V

2

L2(N)(S)

3

L3(T)

4

P

      High voltage DC bus line terminal

DC bus line terminal in driver, rated power 315V, Part   of the products are built in brake resistance ,When using external brake   resistance, connect it with PB2. NOTE !!! Can not simultaneously access P and B1

5

B1

High voltage DC bus negative terminal

6

B2

external brake resistance

7

U

Output

The motor output terminals must be   connected with U,V,W one-to- one. Attention: do not reverse the motor by   exchange 3 phase terminals, it is completely different with asynchronous   motor

8

V

9

W


PE

Protection

The release way is supplied for   protection  motor and drive when   current leakage

 

QQ图片20170407172149.png

 

 

3 Parameters setting

The Drive has 3 parameter groups, P0, P1 and P2

3.1 P0 parameter PO

For the average user, only one parameter in the P0 parameter group is useful: P0.6, when set to 1, the P1 parameter group is unlocked. Typically the P1 parameter group is locked, invisible, to prevent accidental changes.

3.2 parameter P1

parameter name

parameter No.

Set numerical range

Factory   default

function  specification

Display   optional

P10

0~9

0

0. display real speed

1. display DC voltage of main   circuit

2.display external analog input

3. display motor current

4. Display driver's real-time   power

8. duty ratio

10.hall and PWM status display,   the first is the state of Hall, the normal order of the motor is 1-5-4-6-2-3   while rotate the motor CW direction by hand, the display function is commonly   used to check the motor's Hall signal normal or not.

Internal running speed

P11

0~9999

1000

When choose internal speed, the   data will decide motor’s speed(view P12)

Choose signal sourcing  of speed

P12

0~2

1

0:internal instruct speed (P1[0] is internal speed, when motor   running, to up speed , to reduce speed)

1: analog input, using CN2 signal of 7 pin SV signal as motor’s   speed.

2:communication   order control (Temporarily unavailable)

Direction setting

P13

0~1

0

0: CW

1: CCW

Choose signal sourcing of   start-stop

P14

0~2

1

0button by   hand controlENT is start-stop, SET is   reverse motor, +/-  is for up and   reduce speed

1external   terminal control: using 4pin signal of CN2 to start and stop motor

2: communication order control

pole pairs of motor

P15

0~99

2

If the setting is not right, it   will lead to the display of the speed and the actual speed does not match

attention: pole pairs=pole/2

Driver location

P16

0~255

1

The driver location when Using   communication to control motor

Speed scale factor

P17

0~99999

1500

KP. Scale factor using for PID   speed control (KP)

Speed integrating factor

P18

0~99999

500

Integrating factor using for PID   speed control(KI)

Accelerated speed

P19

1~60000

1000

The parameters is proportional   to accelerated speed (unit: rps), 1000 means accelerate 1000 turn per   min.  the real accelerated speed is   based on loading of motor

Decelerated speed 

P110

1~60000

1000

Analog input speed range

P111

0~99999

3000

Unit conversion / minute (RPM),   when the analog input to the maximum value of the corresponding motor speed

Analog input dead band

P112

0~3300

100

The function is used to set   input voltage when motor speed is 0 (unit: mV)

Manual operation to adjust speed   equivalent

P113

1~999

1

Use bottom to change the speed   equivalent under internal speed type ( speed changed per press)

Recover default parameters

P114

0~1

0

Set up 1 then quit setting,   connecting the power again, all parameters will recover to default value.

Filter coefficient

P120

0~10

0

Shows the speed filter   coefficient, increasing this parameter can increase the stability of display,   but the following time of actual speed will be extended


3.3 parameter P1

This parameter array is the underlying parameters of the motor, is currently only open to developers, users are not allowed to adjust themselves, without permission to enter the adjustment will damaged drive or motor probably 

3.2 Panel Operation 

Display instruction: total 6 digital tube shows “888888”, the light most is the first and the lowest

  QQ图片20170407172234.jpg

As picture on left, there are 4 keys on the panel, 

“SET”: press this key can enter or quite P1 setup menu

 “▲”and “▼”: “+”and “-”,to choose the function and adjust the parameters.
“ENT”: “confirmation” and “operation”, when setting parameters, press this button to enter adjustment interface and jump. Under trial operation type, press ENT to start or stop motor.
 

Attention: The adjustment is forbidden if the adjusted value is larger than the maximum allowed, the bottom will be no response.
 

3.3 How to set parameters 

Example:

Demand: set internal speed (P1.1) to 1000rpm/min

Operation step as below:

 
1.    After connecting  with  power, display “H  0”, the driver is standby,  press “SET”, will display“P0
0”, press “▲”until displayed “P06”, press “ENT”, display”00000”, and the first of light most is flashing,  press” ▲”, change into “1”, press ”SET”, display “P0   6” . This step is to complete the P1 parameter set to unlock


2. Press “SET”, display “P1  0”, the driver is entering P1 setting state

3.Press “▲”, until display “P1
1”

4. Press “ENT”, display “2000”, and the first of light most is flashing

5. Press “ENT”, until the flashing is moving to the fourth position

6. Press “▼”, change into “1000”

7. Press “SET”, display “P1
1”, the parameters had been set up and save automatic

8. Press “SET” again, back to standby state, display “H  0”.  Now, the new parameters adjustment had finished and take effect


 

Attention: 1. after adjustment, the driver need to connect with power again, then the new parameters will take effect  

 

2. The adjustment is forbidden if the adjusted value is larger than the maximum allowed, the bottom be will no response

 

 

QQ图片20170407172248.png

4Function and Operation

1Speed adjustment method

This driver provide below two adjust methods for the user to choose: 

1. Analog voltage adjustment speed: the terminals of external potentiometer connect to the +5v terminal in signal control and COM, connect the regulator terminal to SV, not only make it possible to adjust speed by external potentiometer (10K~100K), but also can achieve speed adjust through other control unit (Such as PLC, Microcontroller, etc) input analog voltage to SV. The acceptance of SV is DC 0V~+5V, and the corresponding motor rotate speed is 0 to rated speed.

 

You also can use external digital signal to adjust speed: apply PWM with 5V amplitude and 1KHz~2KHz Frequency between SV and GND to adjust the speed. The motor rotate speed will adjust by the duty radio liner adjustment.

2.  Panel control mode:

This mode can be completely independent of the external control signal to start the motor, it is very useful for equipment debugging and maintenance when need to start the motor, or check the motor and drive system is not normal, and so on,

Set the target speed of the motor running by setting the system parameter P1.1. After setting the speed, press the "ENT" button, the motor will start and accelerate to the set speed. In the operation process of the motor, it can be manual speed, long press panel "▲" and "▼" button to adjust the speed value.

2Motor operate/stop control (EN)

You can control the brushless motor to run or stop by controlling the terminal “EN” and “COM” connecting. The motor will run when we connect the terminal “EN” to “COM”; when shut down, the motor will stop naturally.

3Motor rotation direction control ( F/R )

You can control the motor rotation direction by controlling the terminal “F/R” and “COM” connecting. When connect terminal “F/R” to terminal “COM”, the motor will run at CCW (view from motor output side), and when shut down, the motor will run at another direction. When CW/CCW is switched on in the running state, the motor will automatically stop and then start running in the opposite direction. (Different models with different rotation direction, user needs to confirm the steering.)

4Emergency Stop (EMG)

Through the control of the terminal COM and the terminal EMG to control the motor stop or running.The motor is running when the terminal EMG and terminal COM shut off, stop when connected, and display "br" on the panel.
 

5Speed signal outputPG

The speed pulse output is 0C, (output 30V/10mA max. ). Connect with a pull-up resistance (3K Ω ~10KΩ) between “PG” and power positive (5V-24V, If the user does not own power, it can also be directly connected to the “ +5V” of 8 pin CN2 ) . The relationship of output frequency F(Hz) and speed N(rpm)is: F=N * P / 60 , P is the pole pairs of motor, Output Pulse per revolution.

6Alarm output (ALM)

The alarm output port is open collector “0C”, (output 30V/10mA max. ), connect a pull-up resistance (3K Ω ~10K Ω) between ALARM output and the power positive(5V-24V, If the user does not own power, it can also be directly connected to the “ +5V” of 8 pin CN2). When alarm, this port and the GND connecting (Low voltage), and the drive will stop working and keep in alarm status.

4.2 Alarm message

When the motor is running in the process of the abnormal, the panel on the digital tube will show AL XX.

alarm display

Alarm code meaning

Possible causes and treatments

AL    oc

Drive current

1, Check UVW lines connection is correct or   not, we must pay special attention to whether the phase sequence connection   error or short circuit. Note! Brushless motor absolutely CAN NOT change the   direction of rotation by changing the motor’s phase!! This is quite different   from the AC induction motor.

2,Whether the motor line is too long? Motor   line and Hall line is usually not more than 10 meters, it needs to take   appropriate measures if ›10 meters, otherwise it may cause OC alarm or other   issues.

3, Check the hall sensor line is correctly   connected.

4, check the start acceleration of motor is   set too large? Try to reduce the value of P1.9.

5, Motor or drive may occur fault, please   contact the supplier.

AL    hE

Motor hall sensor fault alarm

1, the Hall line is not connected properly   or the sensor plug is not plugged in.

2, the motor line and hall line length are   too long cause interference will trigger the alarm, when the length of more   than 3 meters, should use the shielded wire, the shielded layer should be connected   the fifth terminal (GND) of driver CN1, the shielding layer should have been   connected to the Hall line in the side of the motor, As a Single ended   shielding method, The shielding layer on the motor side should be left   floating, DO NOT connect with motor’s shell.

3, The hall sensor has failure, try to   replace the motor.

AL    hU

Drive bus voltage too high alarm

1, the input voltage is too high.

2, the internal parameter of the drive is   not appropriate. You will see the real bus voltage back to the main interface   after setting P1.0 to 1. When in the 220V AC input, it should be displayed as   about 310V + 20V (220V x 1.4) or so, the same way, about 530V while 380V. If   there is a large error will lead to alarm to stop. If it is found that the   value and the actual value (use multimeter of the voltage on the 1000V pin to   measure the voltage on the P-B1 terminal) is larger, please contact the   supplier to adjust the internal parameters.

3, if it is occurred in the deceleration,   it is in the process of braking feedback electric power over the limit and   the occurrence of the bus voltage rise over the limit and alarm (this   situation occurs only when the driver is set into a brake mode, the default   setting is no brake mode, it should not happen this alarm). Firstly, in   accordance with article second above to check the bus voltage display is   normal or not, then check the brake resistance installation is normal or not,   the resistance is normal or not (typically 30 ohms to 200 ohms). If it is   normal, the value of P1.10 (reduced speed) should be reduced, then the   voltage rise rate decreases when the regenerative braking.

4, if it is still in trouble, it may   detection circuit failure of drive voltage, or other problems, please contact   the supplier.

aAL    LU

Bus voltage too low alarm

1, the input voltage is too low.

2, the internal parameter of the drive is   not appropriate. You will see the real bus voltage back to the main interface   after setting P1.0 to 1. When in the 220V AC input, it should be displayed as   about 310V + 20V (220V x 1.4) or so, the same way, about 530V while 380V. If   there is a large error will lead to alarm to stop. If it is found that the   value and the actual value (use multimeter of the voltage on the 1000V pin to   measure the voltage on the P-B1 terminal) is larger, please contact the   supplier to adjust the internal parameters.

3, if it is occurred in the acceleration of   the motor, it may be due to the acceleration of the load is too large,   resulting in excessive load, may be appropriate to reduce the acceleration of   the acceleration of the P1.9 value.

4, if it is still in trouble, it may   detection circuit failure of drive voltage, or other problems, please contact   the supplier.

AL  Er

Motor blockage alarm

1, the motor can’t work normally cause the   wrong connection of motor’s lines  

2, the potentiometer is adjusted to a   position close to 0 rpm, or the internal speed is set to 0, Or the speed   command voltage is set close to 0

3, the motor is blocked, please check the   load.

AL    oL

Motor overload alarm

Usually caused by overload of the motor,   please check the load.

AL    ot

Driver overheat alarm

The drive alarm to stop cause the   temperature is too hot. it may be due to the heat dissipation or overload. Please   check the driver's heat dissipation.

 

4.3 Causes and Treatments

Failure

Possible causes and treatments

Motor out of running

1, firstly check whether there is alarm   information on the panel of driver, if there is, check the alarm message at   first.

2, check whether the emergency stop signal   is released or not, if not, the motor could not start, at the same time, the   panel shows: "br".

3, the potentiometer is adjusted to a   position close to 0 rpm, or the internal speed is set to 0, Or the speed   command voltage is set close to 0. This will cause the motor to have been   started, but there is no speed, this situation will usually trigger "Er"   alarm.

4, the motor wire connection is not   connected or phase error, the motor can’t operate normally. If the motor   speed is still 0rpm in 3 seconds after starting,  the "Er" alarm will be triggered.

5, the load locked dead will cause the   motor stop, at this time will trigger the "Er" alarm.

6, The motor can’t run cause the abnormal Hall   signal. It is usually leads to "HE" alarm signal if hall signal   unplug or lines failure, but it won’t trigger the alarm if hall ABC sequence   disorder. in order to confirm that hall is normal, set P1.0 to 10, the hall   status will displayed in the panel. Then rotate motor clockwise slowly by   hand, if the first 3 digits showed regular changes of 1-5-4-6-2-3, the hall   signal is no problem. If not, the hall signal is abnormal

Motor overheating

Usually it is due to the overload and heat   dissipation is not good, In particular, the motor or the drive itself will   cause the motor overheating.  Please set   P1.0 to 4, it showing the driver's real-time power, check the power is too   large or not.  It is better if replace   another drive to compare. If there is no difference after replace driver, and   the load is normal, it may be a problem for the motor. However, because of   the replacement of the motor is usually more troublesome, so the first test   load, and then the driver, and finally the motor.

Motor speed failed to meet the requirements

1, the load resistance is too heavy, the   maximum current of the motor is still unable to overcome the load resistance.

2, the input of speed signal is abnormal,   check the potentiometer and input speed signal voltage is normal or not.

Abnormal noise when the motor is running

1, Remove the load and then start the motor,   if the noise still exists, and the noise related with speed, the problem is   about motor’s bearings or fan, try to another motor to check the noise if   possible.

2, if the noise is high frequency noise,   has nothing to do with the speed, it may be the noise of current chopper,   chopper frequency of drive is 16KHz by default, usually the current noise   couldn’t be heard, if reduced to 12K or even 8K, because the frequency is   reduced to the human ear sensitive range, then the noise will gradually   become obviously. In order to reduce the power loss, the high power drives   will reduce the chopping frequency set, that it is a normal phenomenon.

Motor running time and high speed

1, Firstly check the speed signal is normal   or not. It could change into internal speed mode to compare the speed is   stable or not..

2, if the internal speed is also the same   phenomenon, usually it is the situation that load inertia is relatively   large, such as the large turntable or roller type load, the response delay of   over speed lead to speed closed loop vibrated. The solution is to reduce the   speed of the PID gain, reduce the P1.7 and P1.8 multiplied to see the effect.   Or increase the reduction ratio mechanical is the most effective and   beneficial to the motor operating conditions.

Alarm signal or speed signal without output

1, check the external pull-up resistors are   connected or not, the resistance is appropriate or not, the voltage is normal   or not.

2, if there is no alarm signal, in order to   find the problem easily,  need to make a   man-made alarm signal, at this point you can disconnect the motor line, only   retain the hall signal lines, and then start the motor, artificially created "Er"   alarm. If there is no speed signal, without starting the motor, rotate the   motor slowly by hand, check if there is a change in the output signal.

 




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