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  • BLDC-8015A Model:BLDC-8015A
    ● SPWM,Speed/Current alike close loop technology, smooth rotation
    ● Smooth torque output within speed range (8000 rpm Max.)
    ● 1:75 Max. speed regulation ratio
    ● 60°/300°/120°/240°Electrical angle adjustable

Introduction
Relevant

BLDC-8015A

 


 

 



 

                                                                     

 


DC BRUSHLESS DRIVER

                                                                                       BLDC-8015A user manual rev. A                                                                   

 

Features

● SPWMSpeed/Current alike close loop technology, smooth rotation

l   Smooth torque output within speed range (8000 rpm Max.)

l   175 Max. speed regulation ratio

l   60°/300°/120°/240°Electrical angle adjustable

l   Speed regulation potentiometer adjust / Analog input

l   Run/StepQuick BrakeCW/CCW rotation shift

l   Speed outputAlarm outputO.C.

l   Over currentover voltagestallmissing speed Alarm

 

Parameters

Electrical ParametersTj25ºC

Power

2480VDC, Capacityup to motors

Current output

Rated 15APeak 45A≤3s

Driving mode

SPWM

Insulation Res.

500MΩ

Dielectric Strength

500V/Minute

Weight

About 300g

Ambient requirement

Cooling

Self cool

Environment

Keep away from oil, dust, and acid gas

Temperature

0ºC~+50ºC

Humidity

80RH

Vibration

5.7m/s2Max.

Storage temp.

20ºC~+125ºC

Function description

l   Power Supply: DC+ ; DC-

Voltage: 2480VDCnormally Linear Power Supply appliedappendix),ripple voltage higher than 50V may damage driver. The output current of LPS shall be 60more than that of driver. In case of switching power supply(strongly recommended)applied, please pay attention to the current shall meet motor’s current.

Attention: incorrect connection may cause driver damaged.

l   Speed regulation choice(RV ; AVI)

1.          Setup speed by potentiometer (RV).The dipswitch SW2 must be ON status to enable this function. CW rotate the potentiometer will increase speed. CCW- speed down.

2.          Setup speed by analog input (AVI). The dipswitch SW2 must be OFF status to enable this function.AVI terminal accept 05V voltage or PWM signal from controllerAVI terminal with input resistance of 100Kcurrent consumption≤5mA.

Reference table

SW2

Command to

Speed adjust

Comman

Current

ON

RV

CW—speed upCCW—speed down

OFF

AVI

05V analog input

05V volage

≤5mA

OFF

AVI

PWM

1KHz duty cycle

  Only one of above two modes can be used to adjust speed (another mode shall be enabled). Once AVI terminal applied, (RV) potentiometer shall be CCW turned to Min. positionPWM signal are 5V TTL level.

l   Run/StopENBL

ENBL terminal is applied to control motor Run/StopCommon positive terminal is 5V.

Optical coupler short circuit make motor run, it open circuit make motor stop.

See below circuit

l   CW/CCW RotationF/R

F/R terminal is applied to shift motor rotate direction, common positive terminal is5V.

Motor run in CCW when optical coupler is short circuit, motor run in CW when optical coupler is open circuit.

Attentiondon’t change the connection sequence of phase wires of motor to shift rotate direction.

l   Motor Brake CommandBRK

BRK terminal applied to stop rotation quickly. Motor will stop normally within 50ms. But inertia of load can’t exceed 2 times of motor inertia, otherwise brake will cause driver alarm.

Time of acceleration and deceleration must be put into controller in case of too big load inertia,

And please don’t use brake function in such condition.

The optical coupler short circuit will brake motoroptical coupler open circuit release motor to run.

l   Setup different electrical angle

Dipswitch SW1 can be setup to fit motors with different electrical angel

SW1

 

ON

120°or 240°hall signalthey are in opposite rotation direction

OFF

60°or 300°hall signal, they are in opposite rotation direction

 

l   Motor rotation speed outputSPEED

Pulse generated by driver are proportioned with motor speed,(isolated O.C. output) it can be increased to be a random level. 6 multiple frequency processed output.

Motor speed60×SPEED(pulse freq.)/pulses per rev. of motorp.p.rmotor pole pairs×6

 

l   Alarm output(ALM

Driver will enter protection mode and stop motor running in case of OVER CURRENT, OVER VOLTAGE, SHORT CIUCUIT, MOTOR STALL ariseLED on driver will be light, and ALM signal will be available. Please cut off

driver’s power supplycheck wiring and voltage. High voltage is not permitted for big inertia motor, as it may cause run/stop frequently and over voltage alarm.  Circuit of this function refer to pic. 2.

l   Terminals description

Terminal mark

Description

DC+DC-

Voltage supply to driver

UVW

To motor leads. Make sure correct connection to motor leads.

REF+REF-HUHVHW

Hall sensor connectionREF+REF- are for hall power supply. Make sure correct connection to halls.

AVIENBLF/RBRKVcc

Controls inputsee below picture

SPEEDALM

Signal output(O.C.

l   Wiring Diagram

 

  Dimension

Appendixlinear power supply circuit

 

TX: Isolating transformers

VDC+≈1.414×Vout,    Vout suggested to be AC2128V for this driver

Capacity of transformer shall be decided by motor’s current

C1=100V/2200uFC2=400V/0.22 uF


 

 

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