AP42 Stepper Motor Controller, Spontaneous pulse driver

Spontaneous pulse driver
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Pulse & direction stepper motor driver, support to Spontaneous pulses.
Spontaneous pulses Stepper Motor Driver with fixed working speed range.


● Miniature size 42.3mmx42.3mm x17mm

● Pulse & direction stepper driver also support the standard RS232 serial command, and built-in 32bit digital chip.

● Using new control algorithms such for vibration suppression and low heat generation

● DC input voltage 12~40VDC, recommended working voltage 24VDC.

● Continuous output current 1.4A max, max peak current 2.2A.

● Integrated design, mounted with NEMA17/NEMA16 stepper motor.

● Low vibration, low noise, stable operation, low motor heating.

● Any micro-step can be set .

● Protection functions such as overvoltage, undervoltage and overcurrent.

● Built-in automatic matching function of motor parameter.

● AP42 stepper driver can be assembled for NEMA17 Integrated Stepper Motors




Pin No.  Name  Description
1 VDC  Supply voltage:  12-32VDC, Recommend DC24V
2GND  Supply Voltage Ground: GND/0V
3RXDTo the RX pin on user device (not for communication, set parameter only)
4TXDTo the TX pin on user device (not for communication, set parameter only)
3PULDifferential PULSE signal input,
Allow receiving 5V signals, Rising edge is Effective
4PUL-
5DIRDifferential DIRECTION signal input,
Allow receiving 5V signals, Rising edge is Effective
6DIR-
7ENA Differential ENABLE signal input,
Allow receiving 5V signals, Rising edge is Effective
8ENA-
9OUTAlarm signal output, OC circuit, can receive up voltage up to 24V
10OUT-
Note:  Pulse signals, directional signals, and enable signals can receive up to 5V signals,
If the control signal is 12V, a 1K resistor needs to be connected.
If the control signal is 24V, it is necessary to connect 2.2K resistors.

In addition to Differential wiring,  AP42 Driver also supports common anode connection and common cathode connection：




Dip Switch Settings:

SW1 SW2 SW3 set Current,
SW4 SW5 SW6 Set Micro-Step,
SW8 Set direction CW/CCW.
SW9 SW10, Choose Working Mode

1. Set working current by SW1, SW2, SW3:


The default peak current at the factory is 0.5A, can be set through the serial port before sale,
The adjustable current range is any value between 0.1A and 2.2A (peak).

Set Stepper Motor's default rotation direction
SW8=on, CW
SW8=off, CCW

Note: the default rotation direction according to the wiring,
Swap wiring phase A   A-(or B B-) will change the rotation direction.


Set Working Mode by SW9, SW10:

SW9

SW10

Working Mode

on

on

Spontaneous pulses

on

off

self-test

off

on

double pulse

off

off

Pulse & Direction


 Set Micro-Step  and working speed by SW4,SW5,SW6 SW7:

Note: set SW9,SW10 for Spontaneous pulses mode, working speed will be effective when connect the 5V pulse signal.

More Information on detail, please feel free to contact me  

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