Overview
The AMCI SD3520 is a compact microstepping stepper driver from Advanced Micro Controls Inc., engineered for reliable control of stepper motors in industrial automation and motion control systems. Operating at 35VDC with a current range of 0.125–2A per phase, the SD3520 delivers smooth, precise positioning for applications requiring open-loop stepper control without feedback. This used unit is fully functional and represents an economical option for system integrators and maintenance technicians.
Key Features
- 35VDC input voltage with 0.125–2A output per phase
- Microstepping technology for smooth motor motion and reduced vibration
- Compact form factor designed for versatile mounting in control cabinets
- Open-loop stepper control—no position feedback required
- Compatible with AMCI stepper motors and industrial automation systems
Technical Specifications
- Input Voltage: 35VDC
- Output Current: 0.125–2A per phase
- Motor Type: Stepper (2-phase and 4-phase compatible)
- Control Method: Microstepping
- Manufacturer: Advanced Micro Controls Inc. (AMCI)
- Origin: USA manufactured
- Weight: Approximately 4 lbs
- Certifications: Industrial-grade control equipment
Typical Applications
- Precision positioning in automated machinery and CNC equipment
- Robotic arm and assembly line motion control
- Indexing and rotation control in material handling systems
- Industrial automation retrofit and upgrade projects
- Laboratory and test equipment requiring step-and-hold motion
Compatibility & Replacements
Compatible With
- AMCI stepper motors (all sizes and configurations)
- Two-phase and four-phase stepper motors
- Industrial PLC systems with pulse/direction motor control outputs
- Open-loop motor control architectures
Replaces / Drop-In Replacement For
- Legacy AMCI SD3520 units in existing systems
- Other 35VDC stepper drivers with equivalent current ratings
- Verify compatibility with your system integrator before ordering
Works With
- AMCI motion control software and configuration tools
- Standard industrial pulse/direction signaling protocols
- Allen-Bradley, Siemens, and Omron PLC outputs (via pulse generation)
- Laboratory automation and test equipment interfaces
