CNC Driver DM542 two-phase hybrid stepper motor driver 4.2A

SKU: DRV-DM542
Out of stock
EGP 800.000
Out of stock
Brand:Chinese

Description

Introduction:

  

DM542 is a type of two-phase hybrid stepping motor driver, The drive voltage of which is from 24VDC to 50VDC. It is designed for use with 2-phase hybrid stepper motor of all kinds with 42mm to 86mm outside diameter and less than 4.0A 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. Hording torque when DQ542MA run 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, Computer embroider machine, packing machines and so on.

Features:

l  High performance, low price

l  Average current control, 2-phase sinusoidal output current drive

l  Supply voltage from 24VDC to 50VDC

l  Opto-isolated signal I/O

l  Overvoltage, under voltage, overcorrect, phase short circuit protection

l  15 channels subdivision and automatic idle-current reduction

l  8 channels output phase current setting

l  Offline command input terminal

l  Motor torque is related with speed, but not related with step/revolution

l  High start speed

l  High hording torque under high speed

Electrical specification:

 

Input voltage

24-50VDC

Input current

< 4A

Output current

1.0A~4.2A

Consumption

Consumption:80W;  Internal Insurance:6A

Temperature

Working Temperature -10~45℃;

Stocking temperature -40℃~70℃

Humidity

Not condensation, no water droplets

gas

Prohibition of combustible gases and conductive dust

weight

200G

 

1.     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:

 


                     Fig 1. Input port circuit (Yang connection)

                            PC open connector output

 
                           Fig. 2 Input port circuit ( Yin connection)

                                      PC PNP output

Note: When VCC=5V, R=0

        When VCC=12V, R=1K, >1/8W

       When VCC=24V, R=2K,>1/8W

R must connect in the control signal part .

 

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

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

SW6

ON

OFF

OFF

ON

ON

OFF

OFF

ON

ON

OFF

OFF

ON

ON

OFF

OFF

SW7

ON

ON

ON

OFF

OFF

OFF

OFF

ON

ON

ON

ON

OFF

OFF

OFF

OFF

SW8

ON

ON

ON

ON

ON

ON

ON

OFF

OFF

OFF

OFF

OFF

OFF

OFF

OFF

PULSE/REV

400

800

1600

3200

6400

12800

25600

1000

2000

4000

5000

8000

10000

20000

25000

 

 

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

1.00

0.71

OFF

ON

ON

1.46

1.04

ON

OFF

ON

1.91

1.36

OFF

OFF

ON

2.37

1.69

ON

ON

OFF

2.84

2.03

OFF

ON

OFF

3.31

2.36

ON

OFF

OFF

3.76

2.69

OFF

OFF

OFF

4.20

3.00

 

4) Semi-flow function:

Semi-flow function is that there is not step pulse after 500 ms, the driver output current automatically reduced to 70% of rated output current, which is used to prevent motor heat.

4. Power connections

(1)+V、GND:Power Supply.

   +V: Power supply, 16~50 VDC, Including voltage fluctuation and EMF voltage. The max current is 5A.

(2) A+  A-  B+  B-:Connecting 2 phase stepper motors.

The driver & 2-phase hybrid stepping motor use four-wire connection, the motor can be connected in parallel & series bipolar. As for bipolar connection, it is higher performance with high-speed, but the current of driver is larger (it is 1.73 times more than the motor’s winding current).
Connecting in series, the driver’s current is equal to the motor winding one.

5. Fixing

There should be 20mm of space, it can’t be placed next to other heating devices, to avoid dust, oil mist, corrosive gas, humidity and strong vibration places.

(Unit=mm)

 


Picture 3

6. Troubleshooting

1, the status on light’s indication

RUN: green, normal work light.
ERR: red, failure light, the motor with phase short-circuit, overvoltage and undervoltage protection.

2 Troubles

Alarm indicator

 

Causes

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, butmaintains 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

Additional information

Weight 0.37 kg

Brand

Chinese

Chinese
Chinese

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