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Stepper Motor Driver

  • DC20-80V/4.5A stepper motor driver(M542H)
DC20-80V/4.5A stepper motor driver(M542H)

DC20-80V/4.5A stepper motor driver(M542H)

  • Product description: Driver Integrated Servo Motor,servo motor,automation controller,stepper motor driver
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Product Abstract:

The M542H Stepper Motor Driver is a excellent microstepping driver based on pure-sine current control technology.Owing to the above technology and the self-adjustment technology (self-adjust current control parameters) according to different motors, the driven motors can run with smaller noise, lower heating, smoother movement and have better performances at higher speed than most of the drives in the markets. It is suitable for driving 2-phase and 4-phase hybrid stepping motors.


Product Description

The M542H Stepper Motor Driver is a excellent performance microstepping based on pure-sine current control.With above technology and the self-adjustment function(self-adjust current control) to various motors, keep the driven motors run with low noise,less heating, smoother movement and better performances at higher speed than other drives in the markets.it is adapt to driving 2,3,4 phases hybrid stepper motors.


M542H Stepper Motor Driver Features

High Efficiency

Excellent high speed performance

DC20-80V,Max 100V

Max output 4.5A

Self-adjustment function

Pure-sine current control

300KHz Max Pulse input frequence

Suitable for TTL and optically isolated input

Auto idle current reduction

15 steps resolutions in decimal binary, max 51,200 steps/rev

Suitable for 2 ,3, 4 phases motors

Support PUL/DIR and CW/CCW modes

Short-voltage protection, over-voltage protection, over-current protection


M542H Stepper Motor Driver Specifications

Electrical Specifications (Tj : 25oC~77oC)


Parameters

DM542H

Min

Typical

Max

Unit

Output Current

1.00

-

5.00 (3.0 RMS)

A

Input Voltage

+20

+50

+100

VDC

Logic Signal Current

7.00

10

16

Ma

Pulse input frequency

0.00

-

300

KHz

PulseWidth

2.50

-

-

Us

Pulse Voltage

5.00

-

24

VDC

Isolation resistance

500.00




Connector P1 Configurations

Pin Function

Details

PUL+(+5V)

Pulse signal: In single pulse pulse/direction) mode, this input represents pulse signal, effective for each rising or falling edge (set by inside jumpers in JP1); 4-5V when PUL-HIGH, 0-0.5V when PUL-LOW. In double pulse mode (pulse/pulse),this input represents clockwise (CW) pulse,effective for high level or low level (set by inside jumpers in JP1). For reliable response,pulse width should be longer than 1.5μs. Series connect resistors for current-limiting when +12V or +24V used.

PUL-(PUL)

DIR+(+5V)

DIR signal: In single-pulse mode, this signal has low/high voltage levels,representing two directions of motor rotation; in double-pulse mode (set by inside jumper J3), this signal is counter-clock (CCW) pulse,effective for high level or low level (set by inside jumper J1). For reliable motion response, DIR signal should be ahead of PUL signal by 5μs at least. 4-5V when DIR-HIGH,0-0.5V when DIR-LOW.

DIR-(DIR)

ENA+(+5V)

Enable signal: This signal is used for enabling/disabling the driver. High level (NPN control signal, PNP and Differential control signals are on the contrary,namely Low level for enabling.) for enabling the driver and low level for disabling the driver. Usually left UNCONNECTED (ENABLED).

ENA-(ENA)




Connector P2 Configurations

Pin Function

Details

GND

DC power ground

+V

DC power supply,DC20~100V, Including voltage fluctuation and EMF voltage.

A+,A-

Motor Phase A

B+,B-

Motor Phase B



Microstep and Current

The drives uses an 8 bits DIP switch to set stepper motor resolution and motor operating current, as shown below:


Dynamic Current(1-3)            Microstep Resolution(5-8)

1

2

3

4

5

6

7

8

Standstill Current(4,Half/Full)


Microstep Resolution Selection

Microstep resolution is set by SW5, SW6, SW7, SW8 of the DIP switch as show in following:


Step Angle

Pulse/Rev

SW5

SW6

SW7

SW8

0.9

400

ON

ON

ON

ON

0.45

800

ON

OFF

ON

ON

0.225

1600

ON

ON

OFF

ON

0.1125

3200

ON

OFF

OFF

ON

0.05625

6400

ON

ON

ON

OFF

0.028125

12800

ON

OFF

ON

OFF

0.014063

25600

ON

ON

OFF

OFF

0.007031

51200

ON

OFF

OFF

OFF

0.36

1000

OFF

ON

ON

ON

0.18

2000

OFF

OFF

ON

ON

0.072

5000

OFF

ON

OFF

ON

0.036

10000

OFF

OFF

OFF

ON

0.0144

25000

OFF

ON

ON

OFF

0.0072

50000

OFF

OFF

ON

OFF



Current Settings


The first three bits (SW1, SW2, SW3) of the DIP switch are used to set the dynamic current. Select a setting that closest to your motor's required current.


Peak current (A)

RMS(A)

SW1

SW2

SW3

1.50

0.71

on

on

on

2.00

1.00

off

on

on

2.40

1.18

on

off

on

2.80

1.35

off

off

on

3.20

1.60

on

on

off

3.70

1.82

off

on

off

4.20

2.10

on

off

off

4.50

2.22

off

off

off


Note:Due to motor inductance, the actual current in the coil may be smaller than the dynamic current setting, particularly in high speed condition.

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