ST M5045 Instruction Manual

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2-Phase stepper Motor Driver ST-M5045
Characteristics：
1. DC power input type:24V~50V
2. Output current:1～4.5A
3. Mircostep： 2、4、8、16、32、64、128、256 、5、10、25、50、125、250
4. Protect form : Overheated

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

5. The maximum pulse rate is 300KHZ.
6. Dimensions：120mm*92mm*33mm
7. Weight：<280g.
8. Working environment：Temperature-15～40℃ Humidity<90%。

I/O Ports：
1、DC+：DC power positive pole

Note: Must guard against exceeding 50V,
so as not to damage the module.
2、DC-：DC power cathode
3、A+、A-：Stepping motor one winding
4、B+、B-：Stepping motor other winding
5、PUL+、PUL -：Stepping pulse input+5V (Rising edge effective , rising edge duration >10μS)
6、DIR +、DIR-：Stepping motor direction input, voltage level touched off, high level foreward , low level reverse
7、ENA+、ENA-: motor free

Typical Connection
VCC

240Ω

R

PUL+
PUL-

240Ω

R

DIR+
DIR-

240Ω

R

ENA+
ENA-

PUL

DIR

ENA

DC POWER
24-50VDC

Stepper motor

CONTROLLER

VCC=5V,R=0Ω；
VCC=12V;R=1KΩ(1/8w)
VCC=24V;R=2KΩ(1/8w)
Resistor must be connected to
control singnal terminal

DCDC+
A+
AB+
B-

ST-M5045

Switch Choice:
1、 Microstep choice:
Pluse/rev.(for 1.8°motor)
400

SW5

SW6

SW7

SW8

ON

ON

ON

ON

4

800

ON

OFF

ON

ON

Microstep
2
8

1600

ON

ON

OFF

ON

16

3200

ON

OFF

OFF

ON

32

6400

ON

ON

ON

OFF

64

12800

ON

OFF

ON

OFF

1

128

25600

ON

ON

OFF

OFF

256

51200

ON

OFF

OFF

OFF

5

1000

OFF

ON

ON

ON

10

2000

OFF

OFF

ON

ON

25

5000

OFF

ON

OFF

ON

50

10000

OFF

OFF

OFF

ON

125

25000

OFF

ON

ON

OFF

250

50000

OFF

OFF

ON

OFF

2、 Current choice：
Peak current

Reference current

SW1

SW2

SW3

1.0A

0.71A

ON

ON

ON

1.5A

1.07A

OFF

ON

ON

2.0A

1.43A

ON

OFF

ON

2.5A

1.79A

OFF

OFF

ON

3.0A

2.14A

ON

ON

OFF

3.5A

2.50A

OFF

ON

OFF

4.0A

2.86A

ON

OFF

OFF

OFF

OFF

OFF

4.5A
3.21A
3、 Full current or half current choice：
SW4:OFF＝Half current ; ON＝Full current；
4、 Pulse choice：
1 2 3 4 5 6
In the driver has a jump：
STEP+DIR：
CW+CCW：

Usually default setting is step + direction.

Dimension

2
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Title                           : ST-M5045
Author                          : Michael_Zhao
Creator                         : pdfFactory Pro www.fineprint.cn
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Create Date                     : 2013:06:15 09:35:26+08:00
Page Count                      : 2
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