The Leadshine CL86C is a closed-loop hybrid stepper motor driver designed for high-precision motion control in CNC routers, 3D printers, engraving machines, packaging equipment, textile machinery, and robotics. BDTronics provides this driver for industrial automation and prototyping applications where accurate and reliable motor control is required.

Features:

• Closed-loop hybrid stepper driver with encoder feedback for reduced step loss and stable torque
• Wide input voltage range: 30–90V DC or 20–70V AC
• Peak output current up to 8A, adjustable via software or DIP switches
• Microstep resolution from 200 to 51,200 steps/rev for smooth motion
• RS232 interface for configuration, diagnostics, and tuning
• Opto-isolated control inputs compatible with 5V to 24V logic (PUL, DIR, ENA)
• Protection against over-voltage, over-current, and position tracking error
• Compact industrial-grade design with natural or forced air cooling
• Designed for 2-phase NEMA 34 closed-loop stepper motors

Specifications:

Specification	Details
Model	Leadshine CL86C
Device Type	Closed Loop Stepper Motor Driver (Hybrid Servo)
Motor Type	2-phase closed-loop stepper motor
Compatible Motor Frame	NEMA 34 stepper motors
Input Voltage	30–90V DC or 20–70V AC
Peak Output Current	Up to 8A (adjustable)
Control Inputs	PUL+, PUL−, DIR+, DIR−, ENA+, ENA−
Signal Voltage	5V to 24V logic, opto-isolated
Pulse Frequency	Up to 500 kHz
Microstep Settings	200 to 51,200 steps/rev (via DIP switches)
Encoder Feedback	A/B phase, 1000 ppr or more supported
Communication	RS232 for PC-based configuration
Protections	Over-voltage, over-current, tracking error
Operating Temperature	0°C to 50°C
Storage Temperature	-20°C to 65°C
Humidity	40–90% RH (non-condensing)
Cooling	Natural or forced air
Weight	Approx. 660 g

Applications:

• CNC routers and engraving machines
• 3D printers and additive manufacturing systems
• Packaging and labelling machinery
• Textile and garment automation equipment
• Robotics and motion control prototyping
• General industrial automation with NEMA 34 stepper motors

How to Use:

1. Mount the CL86C on a ventilated panel or heatsink surface with sufficient clearance for airflow.
2. Connect the DC or AC power supply within the specified input range (30–90V DC or 20–70V AC).
3. Wire the two-phase motor leads (A+, A−, B+, B−) to the corresponding driver terminals.
4. Connect the encoder A/B phase channels from the motor to the driver encoder input terminals.
5. Connect the controller's pulse, direction, and enable signals to the opto-isolated PUL, DIR, and ENA terminals.
6. Set the microstep and current using the DIP switches, or configure via RS232 software where fine tuning is required.
7. Power on the system and verify smooth motion with no position errors before running production cycles.

Installation and Wiring:

The CL86C uses clearly labelled screw terminals for power, motor phases, encoder feedback, and control signals. Keep motor and encoder cables separated from logic-level wiring to reduce electrical noise. Match the motor's phase current to the driver setting; do not exceed the rated peak current of the connected motor. For RS232 tuning, connect the driver to a PC with the appropriate serial cable and configuration software.

Compatibility:

• Works with 2-phase closed-loop stepper motors, including NEMA 34 frame sizes
• Encoder feedback of A/B phase, 1000 ppr or higher
• Controllers and pulse generators outputting PUL/DIR/ENA signals in the 5V to 24V range
• PC-based configuration via RS232

Safety Information:

• Do not exceed the rated input voltage range of 30–90V DC or 20–70V AC.
• Ensure adequate airflow or heatsinking during continuous operation to prevent overheating.
• Disconnect power before wiring or changing DIP switch settings.
• Observe correct polarity when connecting power, motor, and encoder terminals.
• Never connect or disconnect motor leads while the driver is powered on.

The CL86C is a practical choice for engineers and machine builders in Bangladesh who need reliable closed-loop control for stepper-based automation. BDTronics supplies this driver for use in CNC, robotics, and industrial motion control projects where consistent positioning and torque are essential.

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