1. ઉત્પાદન ઓવરview
The CNCTOPBAOS DMA860S is a high-performance digital stepper motor driver designed for controlling 2-phase stepper motors. It incorporates a PI control algorithm, which contributes to low noise, reduced vibration, and minimal heat generation during operation. This driver is suitable for a wide range of applications requiring precise motor control.
મુખ્ય લાક્ષણિકતાઓમાં શામેલ છે:
- ઇનપુટ વોલ્યુમtage: 20-110V AC or 20-160V DC.
- Output Peak Current: Adjustable from 2.2A to 8.2A.
- Subdivision Settings: 16 types, allowing for 400-51200 pulses per circle.
- Optical isolation differential signal input with a pulse response frequency up to 300KHz.
- Integrated protection functions: Overvoltage, અન્ડરવોલtage alarm, phase current overcurrent, and motor phase open circuit detection.
- Signal Input Modes: Single-ended, pulse+direction, and dual pulse.
- Automatic current halving at rest to reduce heat and power consumption.
- Compatible with 4, 6, and 8-wire two-phase stepper motors, including Nema23, Nema24, Nema34, and Nema42 series.
2. સલામતી માહિતી
સલામત અને યોગ્ય કામગીરી સુનિશ્ચિત કરવા માટે, કૃપા કરીને નીચેની સાવચેતીઓનું પાલન કરો:
- Always read this instruction manual thoroughly before operating the driver.
- Do not apply power to the driver before all motor connections are securely made.
- Avoid plugging or unplugging connecting terminals while the power is on, as this may damage the driver.
- This product complies with CE and RoHS certification standards.
3. ઉત્પાદન સ્પષ્ટીકરણો
| સ્પષ્ટીકરણ | મૂલ્ય |
|---|---|
| ઇનપુટ વોલ્યુમtage | 20-110V AC અથવા 20-160V DC |
| આઉટપુટ પીક વર્તમાન | 2.2A - 8.2A |
| Pulse Response Frequency | 300KHz સુધી |
| પેટાવિભાગ સેટિંગ્સ | 16 types (400-51200 pulses/circle) |
| લાગુ મોટર્સ | 4, 6, 8-wire two-phase stepper motors (Nema23, Nema24, Nema34, Nema42) |
| નિયંત્રણ અલ્ગોરિધમનો | PI નિયંત્રણ |
| સંરક્ષણ સુવિધાઓ | ઓવરવોલtage, અન્ડરવોલtage, phase current overcurrent, motor phase open circuit detection |
| Signal Input Modes | Single-ended, pulse+direction, dual pulse |
| વર્તમાન ઘટાડો | Automatic halving at rest |
| વસ્તુનું વજન | 2.65 પાઉન્ડ |
| પેકેજ પરિમાણો | 7.99 x 5.51 x 3.58 ઇંચ |
For detailed dimensions, refer to the product size diagram below.

Figure 3.1: DMA860S Driver Dimensions
૨.૪. વાયરિંગ અને જોડાણો
Proper wiring is crucial for the functionality and safety of the stepper motor driver. Refer to the diagrams and instructions below for connecting the driver to the motor, control signals, and power supply.

Figure 4.1: DMA860S Driver Connection Diagram
The driver features clearly labeled terminals for easy connection:
- Signal Input (P1-SW1-SW10): DIR+, DIR-, PUL+, PUL-, EN+, EN- for direction, pulse, and enable signals.
- મોટર જોડાણો: A+, A-, B+, B- for connecting to the stepper motor windings.
- પાવર ઇનપુટ: AC1, AC2 for AC power (20-110V AC) or DC power (20-160V DC).

Figure 4.2: Stepper Motor to Driver Wiring Example
The motor wires typically correspond as follows:
- A+ to motor red wire
- A- to motor green wire
- B+ to motor yellow wire
- B- to motor blue wire
Ensure all connections are tight and correct before applying power.
Video 4.1: Test video demonstrating the DMA860S stepper motor driver in operation, showing wiring and motor movement.
5. Configuration (DIP Switch Settings)
The DMA860S driver features a 10-bit DIP switch for configuring operating current, subdivision settings, and running mode. The switches are labeled SW1-SW10.

Figure 5.1: DIP Switch Layout
5.1 Current Setting (SW1-SW4)
Use switches SW1-SW4 to set the desired peak output current for the motor. Refer to the table below for specific configurations.

Figure 5.2: Current Setting Table
5.2 Subdivision Setting (SW5-SW8)
Switches SW5-SW8 control the micro-stepping subdivision. This allows for smoother motor operation and finer control. The driver utilizes built-in micro-subdivision technology to achieve high subdivision effects even at low settings. Refer to the table below for subdivision configurations.

Figure 5.3: Subdivision Setting Table
5.3 Running Mode (SW9-SW10)
Switches SW9 and SW10 determine the running mode of the driver, including single/double pulse and spontaneous pulse options.
| ચાલી રહેલ મોડ | SW9 | SW10 |
|---|---|---|
| Pulse + Direction | બંધ | બંધ |
| Double Pulses | ON | બંધ |
| Receiving External Pulses | બંધ | ON |
| Spontaneous Pulse | ON | ON |
6. લાક્ષણિક એપ્લિકેશનો
The DMA860S digital stepper motor driver is versatile and widely used in various small and medium-sized automated equipment and instruments. Common applications include:
- મિલિંગ મશીનો
- Engraving Machines
- માર્કિંગ મશીનો
- કટીંગ મશીનો
- Carving Machines
- CNC રાઉટર મશીનો
- Automatic Assembly Equipment
7. જાળવણી અને મુશ્કેલીનિવારણ
7.1 જાળવણી
The DMA860S driver is designed for reliability and requires minimal maintenance. Keep the unit clean and free from dust and debris. Ensure adequate ventilation to prevent overheating. Regularly check all wiring connections for tightness and signs of wear.
7.2 મુશ્કેલીનિવારણ
If you encounter issues, consider the following general troubleshooting steps:
- કોઈ શક્તિ નથી: ઇનપુટ વોલ્યુમ ચકાસોtage and ensure all power connections are secure. Check for blown fuses if applicable.
- મોટર ખસેડતી નથી: Confirm control signals (PUL, DIR, EN) are correctly wired and active. Check motor wiring for correct phase connections. Verify current and subdivision settings are appropriate for your motor.
- ઓવરહિટીંગ: Ensure the driver has sufficient airflow. Check if the motor current setting is too high for the application.
- એલાર્મ સૂચક: If the alarm indicator is active, check for overvoltage, અન્ડરવોલtage, phase current overcurrent, or motor phase open circuit conditions as described in the product overview.
For persistent issues, refer to the detailed wiring diagrams and configuration tables, or contact CNCTOPBAOS technical support.
8. વોરંટી અને સપોર્ટ
CNCTOPBAOS is committed to providing strong technical support and comprehensive after-sales service for its products. For any technical assistance, troubleshooting guidance, or warranty inquiries, please contact CNCTOPBAOS customer service through their official channels.
While specific warranty details are not provided in this manual, general support is available to ensure customer satisfaction and product longevity.