Digital Stepper Driver 80-220V AC for Nema 34 Stepper Motor

$215.85

ATODSP22208 is digital 2-phase stepper motor drive, it is widely used in middle and big size numerical control devices such as curving machine, CNC machine, and computer embroider machine, packing machines and so on. Capable of driving 2 phase Nema 34, 42 closed-loop hybrid stepper motors.

SKU: ATO-STEP-D80220

Input Pulse Voltage *

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Delivery date: 6-12 days

Overview

2-phase digital stepper driver, 80-220V AC power supply for 2 phase Nema 34, 42 stepper motor, manufacturer direct sale.
Features:

32-bit DSP digital control mode.
Low vibration, low noise, low power consumption.
Flexible subdivision runs more smoothly.
Automatic memory power phase.
Optically isolated input signal.
Space vector bipolar constant current drive.
Maximum output current 7.5A / phase.
Provide energy-saving automatic half-current lock function.
Maximum 25600 steps / turn of the 16 subdivision mode optional.

Specifications

Basics Information
Model	ATODSP22208
Size	135 x 77 x 46 mm
Phase	2
Weight	1.5 kg
Supply Power	80-220V AC
Capacity	0.8 kVA
Output Current	Peak 7.5A/Phase (Max.)
Driver Method	Space vector bipolar constant current drive
Isolation Resistance	>500 MΩ
Dielectric Strength	1kV, 1Min
Cooling Method	Natural Convection
Environment
Operation Environment	Temperature		-5℃~+40℃
	Humidity		<80% RH
	Vibration		5.9m/s²(Max.)
Storage Environment	Temperature		-40℃~+55℃
	Humidity		<93% RH
Function Description
Functions	Operation Instructions
Signal Interface	PUL	PUL+ is the positive end of the control pulse signal PUL- is the negative end of the control pulse signal
	DIR	DIR+ is the positive end of directional signal DIR- is the negative end of directional signal
	ENA	ENA+ is the positive end of enabling signal ENA+ is the negative end of enabling signal
Motor Interface	A	A+ is connected with the positive end of the A phase winding of the stepping motor A- is connected with the negative end of the A phase winding of the stepping motor
	B	B+ is connected with the positive end of the B phase winding of the stepping motor B- is connected with the negative end of the B phase winding of the stepping motor
	When the A and B two phase windings are switched, the motor direction is reversed
Indicator Light	1. The green light is the power indicating lamp. When the drive is powered on, the green light is always on. 2. The red light is the fault indicating lamp. When the overvoltage and overcurrent faults occur, the trouble lamp is always on.
Note: The default input signal is 5V pulse signal. When 24V input signal is required, please in series with1.8-2kΩ resistance.

Driver Wiring Diagram

Installation Size (Unit: mm)

Tips: Current comparison chopper drive method for stepper motor
Current comparison chopper drive is to convert the stepper motor’s winding current into a certain percentage of voltage, which is compared with the preset value output by a D / A converter, the result of which comparison is used to control the switch of power tube for the purpose of control of the winding phase current.
Advantages: To make motion control simulate characteristics of sine waves, greatly improving performance, relatively small speed and noises, higher subdivision able to be used, current popular control method.
Disadvantages: The circuit is more complex. It is difficult to control circuit interference which should be consistent with theoretical requirements. Vibration is easy to occur. In the control of formation of crests and troughs of sine waves, high-frequency interference is easily led to, which further leads to heating of drive elements or aging because of excessively high frequency. That is also the main reason why red light protection tends to occur when many drives are used for more than one year.

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