Cloudray DM860S 24-100VDC 2.4-7.2A 2 Phase Nema23 Open Loop Stepper Motor Driver

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Cloudray motor driver offers you various control modes such as position control, velocity control or torque control for precise motion control system. Cloudray motor driver offer the best-in-class current control for optimal smoothness and torque, robust and flexible on-board control options, and industry-standard industrial network communications.

DM series stepper drive, which surpasses the performance of common analog stepper drive comprehensively based on the new 32-bit DSP platform developed by TI, and adopting the micro-stepping technology and PID current control algorithm design. 

Stepper Motor Driver

The DM series stepper drives have the features of low noise, low vibration, low heating and high-speed high torque output, it is suitable for most stepper motors by integrated with the micro-stepping technology.


DM860S 2-Phase Stepper Motor Driver Features

  • Extra-low motor noise offers excellent quietness.
  • Anti-Resonance,provides optimum torque and nulls mid-range instability.
  • Self-test and auto-configuration technology, offers optimum responses with different motors.
  • Microstep Resolutions Programmable
  • Supply Voltage up to +80VAC/+100VDC
  • Output Current Programmable (2.4A-7.2A)
  • Pulse Input Frequency up to 200 KHz
  • Automatic Idle-Current Reduction
  • Supports PUL/DIR and CW/CCW Modes

Stepper Motor Driver

DM860S-IO type switch stepper drive is provided with the pulse train with S-shape acceleration/deceleration, and triggers the motor start-stop only by normal switching value


The power supply of the drive can be both AC power and DC power, and the input voltage range is AC 20~80V ,DC 24~100V. The AC power supply voltage should not exceed 80VAC. Do not directly connect to 220VAC mains! ! !

Input power polarity should not be reversed!!!

The drive’s work mode is constant current control. The drive output the voltage to motor by changing the input power into PWM chopping wave when it is working. In this case, the input power will affect the performance of drive.

DM860S Stepper Drive Environmental requirement

Drive installation requirements

Please install the drive vertically or horizontally, with its front facing forward, top facing upward to facilitate cooling.

During assembly, avoid drillings and other foreign matters falling inside the drive.

During assembly, please use M3 screw to fix.

When there is vibration source (such as a driller) close to the installation position, please use a vibrating absorber or a vibration resistant rubber gasket.

When multiple drives are installed in the control cabinet, please pay attention to reserve enough space for sufficient heat dissipation. If necessary, you can configure cooling fans to ensure good heat dissipation conditions in the control cabinet.

Stepper Motor Driver

Stepper Motor Driver

Stepper Motor Driver

Stepper Motor Driver

Drive working status LED indication
Stepper motor driver application
Cloudray stepper Motor Driver are widely used in engraving machine, cutting plotter, textile machine, 3D printer, medical devices,stage lighting equipment, robot, CNC machine, music fountain and other industrial automatic equipment.
Stepper Motor Driver

Stepper Motor Driver
Stepper Motor Driver

Returns Policy

You may return most new, unopened items within 30 days(contact us: of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.(You can return it to the address below after contacted us: Room 101, 3-A, No.10 Huashenmiao, Huashen Technology Park Yuhuatai District, Nanjing, China 210000)


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

Our free shipping option within 2kg are only available for lenses and nozzles. Please note that there are 28 countries and regions need to charge $10 within 2kg. (Albania, Angola, Anguilla, Argentina, Armenia, Azerbaijan, Belarus, Bolivia,Brazil, Chile, Colombia, Costa Rica, Cuba, Georgia, Fiji, Iran, Islamic Republic Of Iraq, Kazakhstan, Kenya, Lebanon, Pakistan, Panama, Peru, Romania, South Africa, Sri Lanka, Ukraine, Venezuela)
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