Engineering Catalogue > Electronics > Drivers > Stepper Motor Driver DM556 5.6A NEMA 17/23

Stepper Motor Driver DM556 5.6A NEMA 17/23

Driver type
2-phase digital bipolar
Output current
0.5–5.6 A peak, 16 selectable settings
Input voltage
18–50 V DC
Microstepping
1/1 to 1/128 (16 settings)
Isolation
Optical isolation on PUL/DIR/ENA inputs
Compatible motors
NEMA 17, NEMA 23
Features
Self-test, idle current reduction, smooth motion algorithm
Protection
Over-current, over-voltage, over-temperature
Primary applications
CNC, plasma, laser, 3D printers, industrial automation
Stepper Motor Driver DM556 5.6A NEMA 17/23

Professional 2-phase digital stepper motor driver, up to 5.6 A peak, 18–50 V DC input, microstepping 1/1 to 1/128. Smooth motion, self-test, idle current reduction. For NEMA 17 and NEMA 23 motors in CNC and industrial automation.

About Stepper Motor Driver DM556 5.6A NEMA 17/23

Technical details and application guidance for the Stepper Motor Driver DM556 5.6A NEMA 17/23

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What is this for?

The Stepper Motor Driver DM556 5.6A NEMA 17/23 is a 2-phase digital bipolar driver for NEMA 17 and NEMA 23 stepper motors. It accepts 18–50 V DC input, provides selectable output current and microstepping, and supports CNC, plasma, laser, 3D printing and industrial automation applications.

Key features

  • 2-phase digital bipolar driver
  • Output current from 0.5–5.6 A peak
  • 16 selectable output-current settings
  • Microstepping from 1/1 to 1/128 across 16 settings
  • Optical isolation on PUL, DIR and ENA inputs
  • Self-test function
  • Idle current reduction
  • Smooth motion algorithm
  • Over-current, over-voltage and over-temperature protection

Common uses

  • CNC
  • Plasma equipment
  • Laser equipment
  • 3D printers
  • Industrial automation

The Stepper Motor Driver DM556 5.6A NEMA 17/23 covers the core selection information for connecting a supported stepper motor to a control system. Its specified current range, voltage range, microstepping settings, isolated inputs, application areas and protection functions help readers assess whether it matches their project.

Who is this for?

CNC system designers and builders, Plasma equipment users, Laser equipment users, 3D printer builders and operators, Industrial automation engineers and integrators, People working with NEMA 17 stepper motors, People working with NEMA 23 stepper motors

The Stepper Motor Driver DM556 5.6A NEMA 17/23 is for people specifying or operating motion systems that use NEMA 17 or NEMA 23 stepper motors. The listed applications include CNC, plasma, laser, 3D printing and industrial automation, with configuration choices for current and microstepping.

Common questions answered

What do I need to check before choosing a stepper motor driver for a project?

The Stepper Motor Driver DM556 5.6A NEMA 17/23 should be checked against the motor type, required current, supply voltage, control interface and intended application. It is specified for NEMA 17 and NEMA 23 motors, accepts 18–50 V DC, and provides 0.5–5.6 A peak output with 16 current settings. Its listed applications are CNC, plasma, laser, 3D printers and industrial automation.

Which projects is the Stepper Motor Driver DM556 intended to cover?

The Stepper Motor Driver DM556 5.6A NEMA 17/23 is listed for CNC, plasma, laser, 3D printer and industrial automation applications. It is a 2-phase digital bipolar driver for NEMA 17 and NEMA 23 stepper motors, so it is relevant where those motor formats and a compatible control system are being used.

How should I compare stepper motor drivers for current and positioning control?

The Stepper Motor Driver DM556 5.6A NEMA 17/23 offers 16 selectable output-current settings from 0.5–5.6 A peak and 16 microstepping settings from 1/1 to 1/128. These are the stated configuration ranges to compare with a motor and motion system’s requirements. The driver also provides PUL, DIR and ENA inputs with optical isolation.

What is the trade-off between full-step and higher microstepping settings on this driver?

The Stepper Motor Driver DM556 5.6A NEMA 17/23 supports settings from 1/1 to 1/128, allowing the control system to use full-step or higher microstepping values. The supplied data does not state how each setting affects resolution, speed, torque or noise, so those outcomes should not be assumed from the specification alone.

Will the Stepper Motor Driver DM556 work with a NEMA 23 motor?

The Stepper Motor Driver DM556 5.6A NEMA 17/23 is specified as compatible with NEMA 23 motors. Before use, the motor and system should also be checked against the driver’s 18–50 V DC input range and 0.5–5.6 A peak output-current range. The source does not provide a wiring diagram or motor-specific setup values.

What control inputs are optically isolated on the Stepper Motor Driver DM556?

The Stepper Motor Driver DM556 5.6A NEMA 17/23 provides optical isolation on its PUL, DIR and ENA inputs. These are the input functions identified in the product data. The source does not specify the required signal voltage, current, polarity, connector arrangement or wiring method, so those details require separate documentation.

What protection functions are specified for the Stepper Motor Driver DM556?

The Stepper Motor Driver DM556 5.6A NEMA 17/23 is specified with over-current, over-voltage and over-temperature protection. The product data identifies these protection categories but does not state their trigger thresholds, response behaviour, reset method or operating limits. Those technical details should be confirmed before designing the surrounding control and power system.

The Stepper Motor Driver DM556 5.6A NEMA 17/23 is relevant to motion-system builders and engineers using NEMA 17 or NEMA 23 motors in the listed application areas. Its current, voltage, microstepping and input-isolation specifications support technical comparison, while detailed wiring and operating thresholds are not provided here.

Specification

The Stepper Motor Driver DM556 5.6A NEMA 17/23 is specified as a 2-phase digital bipolar driver with 18–50 V DC input voltage. It provides 0.5–5.6 A peak output current, 16 current settings, 1/1 to 1/128 microstepping, optical isolation on PUL/DIR/ENA inputs and three listed protection functions.

FieldValue
Driver type2-phase digital bipolar
Compatible motorsNEMA 17, NEMA 23
Input interface isolationOptical isolation on PUL/DIR/ENA inputs
Output current0.5–5.6 A peak
Output-current settings16 selectable settings
Input voltage18–50 V DC
Microstepping1/1 to 1/128
Microstepping settings16 settings
FeaturesSelf-test; idle current reduction; smooth motion algorithm
ProtectionOver-current; over-voltage; over-temperature

The Stepper Motor Driver DM556 5.6A NEMA 17/23 has defined electrical ranges and configuration counts that can be checked against a motion-system design. The key data covers motor compatibility, input voltage, output current, microstepping, input isolation, built-in functions and protection categories.

Why this product?

The Stepper Motor Driver DM556 5.6A NEMA 17/23 brings its application areas and core configuration data together in one technical reference. Readers can check motor compatibility, supply voltage, output-current range, microstepping range, isolated control inputs, built-in functions and protection categories before assessing system fit.

  • It states compatibility with NEMA 17 and NEMA 23 stepper motors.
  • It gives the 18–50 V DC input-voltage range.
  • It identifies the 0.5–5.6 A peak output-current range and 16 current settings.
  • It identifies 16 microstepping settings from 1/1 to 1/128.
  • It specifies optical isolation on PUL, DIR and ENA inputs.
  • It lists self-test, idle current reduction and a smooth motion algorithm.
  • It lists over-current, over-voltage and over-temperature protection.
  • It names CNC, plasma, laser, 3D printing and industrial automation as applications.