Can this drive 2 stepper motors in unison? example a y-axis gantry. or do i need one per motor?

one driver per stepper motor or you'll overheat the driver...you'll need to slave the second driver to the same axis as the first driver

Hi, can i ask if i will use stepper motor nema 23 -2.8a can i use dm556 ? there is not 2.8a in settings

All current settings are intended to limit maximum current supplied to the stepper motor. If you have a stepper motor with max current 2.8 Amps, set up max current on the driver to the next closest value, e.g. 3.2 Amp. Driver will supply enough current for the stepper to work, but if your motor is overloaded (stuck, etc.), the driver will limit the current at 3.2 Amps.

If I am running 4 of these off one power supply. would they be pulling 12.8 Amps?

It is unlikely, in fact near impossible, that all 4 of your motors would be running at full amps at the same time. You can size your power supply to 70% of the total amps of your motors.

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⚙️ Drive Your Innovation with Precision & Power!

ANTI RESONANCE TECH - Minimizes motor noise and heat for longer-lasting, quieter performance.
POWER MEETS CONTROL - Handles up to 5.6A peak current ensuring robust torque for Nema 23, 24, and 34 motors.
PLUG PLAY CONFIDENCE - TTL compatible, optically isolated inputs with built-in over-voltage and over-current protection.
VERSATILE VOLTAGE RANGE - Operates seamlessly between 20-50V DC to fit diverse industrial setups.
PRECISION AT YOUR FINGERTIPS - 16 selectable micro-step resolutions for ultra-smooth, jitter-free motion.

The DM556 CNC Digital Stepper Driver is a high-performance 2-phase stepper motor controller designed for Nema 23, 24, and 34 motors. It supports a wide input voltage range of 20-50V DC and delivers up to 5.6A peak current with 128 microstep subdivisions for ultra-smooth, precise motion. Featuring anti-resonance technology, it reduces noise and heat, ensuring reliable and efficient operation in demanding industrial automation applications.

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Manufacturer	HONGCHENWEI
Item Weight	9.2 ounces
Package Dimensions	5.55 x 3.66 x 1.46 inches
Material	aluminum, PCB
Voltage	24 Volts
Batteries Included?	No
Batteries Required?	No

CNC Digital Stepper Driver DM556 Stepper Motor Controller 2-Phase Stepper Motor Driver 20-50V DC Max 5.6A 128 Subdivision for Nema 23, 24 and Nema 34 Stepper Motor

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