(EU Ship) 3Axis Wantai Motor Driver DQ860MA,80V,7.8A,for Nema34

Description

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This item includes:
3PCS Wantai Stepper Motor Driver DQ860MA with 7.8A peak current ,24-80VDC ,256 Microstep，for Nema34 Wantai Stepper Motors
1PC Breakout board & cable
for free offering
!
1, Stepper Motor Driver DQ860MA
Introduction:
DQ860MA  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
2, Breakout Board
Description
Built in DB25 male connector.
DB25 output pin:P1,P2,P3,P4,P5,P6,P7,P8,P9,P14,P16,P17
DB25 input pin:P10,P11,P12,P13,P15.
DB25 GND pin:P18-P25.
Power supply:+5VDC
Built in C-class optical-coupler.
High quality with surface-mount Tech.
It can connection 6 drivers and control 6 motors in the same time.
Built in DB25 male connector.
DB25 output pin:P1,P2,P3,P4,P5,P6,P7,P8,P9,P14,P16,P17
DB25 input pin:P10,P11,P12,P13,P15.
DB25 GND pin:P18-P25.
Power voltage is 5VDC and support with MACH3 ect.software
Built in optical-coupler.
You can set these pins according to software as follows:
Output pins:P1,P2,P3,P4,P5,P6,P7,P8,P9,P14,P16,P17
P2-X axis Pulse,P3-X axis Direction;
P4-Y axis Pulse,P5-Y axis Direction;
P6-Z axis Pulse,P7-Z axis Direction;
P8-A axis Pulse,P9-A axis Direction;
P14-B axis Pulse,P1-B axis Direction;
P16-C axis Pulse,P17-C axis Direction;
Input pins:P10,P11,P12,P13,P15
Set them for Emergency Stop and X Y Z Limit switch
We are professional stepper motor(stepping motor)
supplier and Manufacuturer,and we can manufacture products according to customer's requirement!
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