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ADH42 Stepper Motor Controller, Spontaneous pulse driver

Spontaneous pulse driver

$58.00

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ADH42 Spontaneous Pulses Stepper Motor Driver

Product Introduction

Pulse & direction stepper motor driver, supporting spontaneous pulses mode. The ADH42 stepper driver features a miniature size 42mm × 42mm × 21.5mm, wide voltage input, and advanced control algorithms for vibration suppression and low heat generation.

It supports standard RS232 serial command and is built with a 32-bit digital chip. The ADM42H stepper driver can be assembled for NEMA17 integrated stepper motors.

Product Advantages

Miniature Size: Ultra-compact 42mm × 42mm × 21.5mm design.
Dual Working Modes: Supports both Pulse & Direction and Spontaneous pulses mode.
RS232 Support: Standard RS232 serial command interface with built-in 32-bit digital chip.
Advanced Control: New control algorithms for vibration suppression and low heat generation.
Wide Voltage Input: DC 12~40VDC, recommended 24VDC.
High Output: Continuous output current 1.4A max, peak current 2.1A.
Flexible Integration: Mountable with 42mm/39mm stepper motors.
Protection Functions: Overvoltage, undervoltage and overcurrent protection.
Auto Tuning: Built-in automatic matching function of motor parameters.
Any Micro-Step: Any micro-step value can be set.

Electrical Characteristics

Parameter	Minimum Value	Typical Value	Maximum Value	Unit
Supply Voltage (DC)	12	24	40	VDC
Control Signal Input Current	7	10	16	mA
Step Pulse Frequency	0	-	200	KHz
Insulation Resistance	50	-	-	MΩ

Product Images

Pin Definition

Pin No.	Name	Description
1	PU	Pulse Control Signal Input: 5V ~ 24V, Rising Edge effective. Make sure pulse signal effective, pulse width ≥ 2μs. Add the resistance for power supply.
2	PU-
3	DR	Direction Signal: high/low level signal 5V ~ 24V, direction signal should be at least 5μs earlier than pulse signal, High/Low level.
4	DR-
5	EN	Enable Signal: enable/disable. If ENA connect 5V & ENA- connect low level (or Internal optocoupler on), stepper controller will turn off the current, motor in free state, no feedback even send pulses.
6	EN-
7	AM	Alarm signal output: When overvoltage, undervoltage, phase loss, or position deviation alarms occur, the alarm signal output is effective. Maximum driving current 50mA.
8	AM-
9	GND	Supply Voltage Ground: GND/0V
10	DC	Supply voltage: 12-40VDC, Recommend DC24V

Wiring Diagram

Wire support common anode connection and common cathode connection, controlled by PLC or Pulse Generators.

DIP Switch Configuration

1. Set Working Current by SW1

SW1	Peak (A)	RMS (A)
Off	1.4	1.0
On	2.1	1.5

2. Set Working Mode by SW2

SW2	Working Mode
Off	Pulse & Direction
On	Spontaneous Pulses

2.1 Pulse & Direction Working Mode

Set Micro-step by SW3, SW4, SW5, SW6:

2.2 Spontaneous Pulses Working Mode

In this working mode, the PU & PU- connect to the power supply 5~24VDC and GND, make sure the stepper motor rotates instantly when power on. Please check below wiring diagram: