(EU Ship) 3Axis Wantai Motor Driver DQ860HA,80V,7.8A,for Nema34 CNC Plasma, Cut

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This item includes: 

3PCS Wantai Stepper Motor Driver DQ860HA with 7.8A peak current ,24-80VDC ,256 Microstep,for Nema34 Wantai Stepper Motors

1, Stepper Motor Driver DQ860HA

Introduction:

DQ860HA  is a type of two-phase hybrid stepping motor driver, the drive voltage of it is from 24VDC to

80VDC. It is designed for use with 2-phase hybrid stepper motor of all kinds with 57mm to 110mm outside

diameter and less than 7.8A phase current. This circuit that it adopts is similar to the circuit of servo control

which enables the motor run smoothly almost without noise and vibration. Holding torque when DQ860MA

runs under high speed, is also significantly higher than the other two-phase driver, what’s more, the positioning

accuracy is also higher. It is widely used in middle and big size numerical control devices such as curving

machine, CNC machine, and computer embroider machine, packing machines and so on.

 

 

Features:

  •   High performance, low price
  •   Average current control, 2-phase sinusoidal output current drive
  •   Supply voltage from 24VDC to 80VDC
  •   Opto-isolated signal I/O
  •   Overvoltage, under voltage, overcurrent, phase short circuit protection
  •   14 channels subdivision and automatic idle-current reduction
  •   8 channels output phase current setting
  •   Offline command input terminal
  •   Motor torque is related to speed, but not related to step/revolution
  •   High start speed
  •   High holding torque under high speed

 

 

 

Electrical specification:

Input voltage

24-80VDC

Input current

< 6A

Output current

2.8A ~ 7.8A

Consumption

Consumption : 80W ;   Internal Insurance : 10A

Temperature

Working Temperature -10 ~ 45 ℃ ;

Stocking temperature -40 ℃ ~ 70 ℃

Humidity

No condensation, no water droplets

gas

Prohibition of combustible gases and conductive dust

weight

500G

 

 

Pins assignments and description:

 

1)   Connector Pins   Configurations

 

Pin Function

                Details                                                          

PUL +,PUL-

Pulse signal, PUL+ is the positive end of pulses  input pin

                  PUL- is the negative end of pulse  input pin

 

DIR+,DIR-

DIR signal: DIR+ is the positive end of direction input pin

                 DIR- is the negative end of direction input pin

ENBL+

 

Enable signal:  ENBL+ is the positive end of direction input pin. This signal is used for enabling/disabling the driver. High level for enabling the driver and low level for disabling the driver.

ENBL-

ENBL- is the negative end of direction input pin. Usually left unconnected (enabled)

 

2) Pins wiring diagram:

PC’s control signals can be active in high and low electrical level. When the high electrical level is active,

all control negative signals will be connected together to GND. When low electrical level is active, all

control positive signals will be connected together to public port. Now give two examples( Open collector

&PNP), please check them:

 

 

 

 

3.Function choice ( Using DIP pins to achieve this function)

 

 1) Micro step resolution is set by SW 5,6,7,8 of the DIP switch as shown in the following table:

 

SW5

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

SW6

ON

ON

OFF

OFF

ON

ON

OFF

OFF

ON

ON

OFF

OFF

ON

ON

SW7

ON

ON

ON

ON

OFF

OFF

OFF

OFF

ON

ON

ON

ON

OFF

OFF

SW8

ON

ON

ON

ON

ON

ON

ON

ON

OFF

OFF

OFF

OFF

OFF

OFF

PULSE/REV

400

800

1600

3200

6400

12800

25600

51200

1000

2000

5000

10000

25000

50000

 

 

 

 

 

 

 

2) Standstill current setting

SW4 is used for this purpose. OFF meaning that the standstill current is set to be half of the selected dynamic

current and ON meaning that standstill is set to be the same as the selected dynamic current.

 

3) Output current setting:

The first three bits (SW 1, 2, 3)of the DIP switch are used to set the dynamic current. Select a setting

Closest to your motor’s required current 

 

Output current (A)

SW1

SW2

SW3

PEAK

RMS

ON

ON

ON

2.80

2.00

OFF

ON

ON

3.50

2.50

ON

OFF

ON

4.20

3.00

OFF

OFF

ON

4.90

3.50

ON

ON

OFF

5.70

4.00

OFF

ON

OFF

6.40

4.60

ON

OFF

OFF

7.00

5.00

OFF

OFF

OFF

7.80

5.60

 

4) Semi-flow  function:

Semi-flow function is that there is not step pulse after200 ms, the driver output current automatically

reduced to 40% of rated output current, which is used to prevent motor heat.

 

 

4. Pins of motor & power:

 

Motor and power pins

1

A+

Motors wiring

 

2

A-

3

B+

4

B-

5,6

DC+ DC-

Power supply

Power supply : DC24-80VDC

The peak input current can not up to 6A

 

 

 

 

 

 

 

 

5. Mechanical Specification:

To have 20mm of space around ,cannot be placed next to other heating devices. What’s more, avoid dust,

oil mist, corrosive gas, heavy humidity and high vibration. (Unit=mm)

 

 

 

 

6. Adjustment of troubleshooting

1) , the status on light’s indication PWR: green, normal work light. ALM: red, failure light, the motor with phase short-circuit, overvoltage and under-voltage protection.

2) Troubles

Alarm indicator

 

Reasons

Measures

LED off turn

Wrong connection for power

Check wiring of power

Low-voltages for power

Enlarge voltage of power

Motor doesn’t run, without holding torque

Wrong connection of stepper motor

Correct its wiring

RESET signal is  effective when offline

Make RESET ineffective

Motor doesn’t run, but maintains holding torque

Without input pulse signal

Adjust PMW & signal level

Motor runs wrong direction

Wrong wires’ connection

Change connection for any of 2 wires

Wrong input direction signal

Change direction setting

Motor’s holding torque is too small

Too small relative to current setting

Correct rated current setting

Acceleration is too fast

Reduce the acceleration

Motor stalls

Rule out mechanical failure

Driver does not match with the motor

Change a suitable driver

 

 

 

7. Driver wiring  A complete stepper motor control system should contain stepper drives, DC power supply and controller

(pulse source). The following is a typical system wiring diagram

We are professional stepper motor(stepping motor)  supplier and Manufacuturer,and we can manufacture products according to customer's requirement!

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  • Condition: New
  • Model: Driver DQ860MA
  • Country/Region of Manufacture: China
  • Country of Manufacture: China
  • MPN: DQ860HA
  • Brand: Wantai Motor

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