The Leadshine DM2282 is a 2-phase digital stepper drive designed for high-performance motion control applications. It operates on a supply voltage range of 150-230VAC and offers a programmable output current from 0.5A to 8.2A peak. The drive incorporates advanced DSP control algorithms and the latest motion control technology to provide smooth motor movement, optimal torque, and nullify mid-range instability.
Function Description:
The DM2282's primary function is to precisely control 2-phase and 4-phase stepper motors. It achieves this through a fully digital design that allows for sophisticated control algorithms. The drive supports both PUL/DIR (pulse/direction) and CW/CCW (clockwise/counter-clockwise) modes, offering flexibility in control signal configurations. Its auto-identification and parameter auto-configuration features simplify setup by automatically determining motor parameters and optimizing the drive's current loop for different motors. This results in significantly lower noise, reduced heating, and smoother movement compared to traditional analog drives.
Important Technical Specifications:
- Input Voltage: 150-230VAC (typical 220VAC).
- Output Current: Programmable from 0.5A to 8.2A peak (0.35A to 5.9A RMS).
- Pulse Input Frequency: Up to 200 KHz.
- Microstep Resolutions: Programmable from full-step to 51,200 steps/revolution, configurable via DIP switches or software.
- Logic Signal Current: 7-16mA (typical 10mA).
- Isolation Resistance: 500 MΩ.
- Operating Temperature: 0°C to 50°C (32°F to 122°F) ambient, with a maximum heat sink temperature of 70°C (158°F).
- Storage Temperature: -20°C to 65°C (-4°F to 149°F).
- Humidity: 40%RH to 90%RH.
- Weight: 1.3Kg (2.87lbs).
- Cooling: Natural cooling or forced cooling.
- Protection Features: Over-voltage, over-current, low voltage, phase error, and over-temperature protections.
Usage Features:
The DM2282 is designed for ease of use and high performance in various applications.
- Anti-Resonance: This feature provides optimal torque and effectively nullifies mid-range instability, leading to smoother and more reliable motor operation.
- Motor Auto-Identification and Parameter Auto-Configuration: This technology simplifies the setup process by automatically identifying motor parameters and configuring the drive for optimal responses with different motors. This eliminates the need for manual tuning and ensures peak performance.
- Multi-Stepping: This allows a low-resolution step input to generate a higher microstep output, resulting in significantly smoother motor movement, especially at low speeds.
- Programmable Microstep Resolutions: Users can program microstep resolutions from full-step up to 51,200 steps per revolution, either through DIP switches or software, offering fine control over motor positioning.
- Soft-Start: The drive features a soft-start function, preventing any sudden "jump" or jerky motion when powered on, which protects both the motor and the mechanical system.
- Programmable Output Current: The output current can be set from 0.5A to 8.2A, allowing the drive to be matched precisely to the motor's current requirements, configurable via DIP switches or software.
- 5V Optically Isolated Input: The control signal inputs are optically isolated, providing protection against electrical noise and ensuring reliable signal integrity.
- Automatic Idle-Current Reduction: This feature automatically reduces the motor current when there are no pulses applied to the drive, minimizing motor heating and energy consumption. The reduction rate can be configured via software.
- Support for PUL/DIR and CW/CCW Modes: The drive supports both common control modes, offering flexibility in integration with various control systems.
- RS232 Communication Port: An RS232 port is available for configuring advanced parameters such as peak current, microstep resolution, active level, current loop parameters, and anti-resonance parameters using dedicated software.
- DIP Switch Configuration: Key parameters like dynamic current and microstep resolution can be easily set using onboard DIP switches, providing a quick and convenient way to configure the drive without software.
- NPN Control Signal Compatibility: The manual provides a detailed wiring diagram for NPN control signals, including resistor recommendations for different VCC voltages (5V, 12V, 24V) for PUL, DIR, and ENA signals.
- Wide Application Range: Suitable for NEMA size 34 to 51 stepper motors, making it ideal for applications such as laser cutters, laser markers, high precision X-Y tables, labeling machines, and CNC routers, where both low-speed smoothness and high-speed performance are critical.
Maintenance Features:
The DM2282 incorporates several protection mechanisms to ensure its longevity and reliable operation, minimizing the need for frequent maintenance.
- Over-Voltage Protection: Safeguards the drive from damage due to excessive input voltage.
- Over-Current Protection: Prevents damage from excessive output current to the motor.
- Low Voltage Protection: Ensures the drive operates within its specified voltage range, protecting internal components.
- Phase Error Protection: Detects and protects against issues with motor phase connections.
- Over-Temperature Protection: Monitors the drive's internal temperature and shuts down if it exceeds safe limits, preventing thermal damage.
- Fault Signal Output: The drive provides a FAULT+ / FAULT- output signal that becomes active when any of the protection mechanisms are triggered. This allows external systems to monitor the drive's status and take appropriate action.
- LED Indication: A green LED indicates power-up, while a red LED blinks periodically to indicate specific error types (e.g., 1 blink for over-current, 2 blinks for over-voltage), aiding in quick troubleshooting.
- Operating Environment Considerations: The manual advises operating the drive in an environment free from dust, oil fog, and corrosive gases to ensure optimal performance and lifespan.
The DM2282's combination of advanced control, robust protection, and user-friendly configuration options makes it a highly reliable and versatile solution for demanding stepper motor control applications.
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