CS86 Closed-Loop Stepper Motor Driver

Overview

The CS86 Closed-Loop Stepper Motor Driver is a digital stepper motor driver designed for applications requiring stable motion, precise positioning and improved motor control. It combines advanced digital control technology with encoder feedback to monitor motor operation and provide protection against tracking errors.

The driver supports adjustable current and microstepping settings, allowing the operating parameters to be configured according to different motor and motion-control requirements. Built-in microstepping technology helps improve motion smoothness and reduce vibration during operation.

With optical-isolated differential signal inputs, encoder interfaces and multiple protection functions, the CS86 is suitable for integration into small and medium-sized automation equipment, CNC systems, instruments and other motion-control applications.

Key Features

Closed-Loop Encoder Feedback

Encoder feedback allows the driver to monitor motor operation and respond to motion deviations, helping improve positioning reliability in closed-loop applications.

Smooth Microstepping Control

Built-in microstepping technology provides smoother motor operation and helps reduce vibration and mechanical noise during motion.

Adjustable Current

The driver supports adjustable static and dynamic current settings within the documented 0–6 A range, allowing the output to be matched to different stepper motor requirements.

Flexible Motor Wiring

The CS86 supports 4-, 6- and 8-wire two-phase stepper motors, providing flexibility when selecting compatible motor configurations.

Differential Control Signals

Optically isolated differential signal inputs are provided for pulse, direction and enable control, helping support reliable connection with external motion controllers.

Integrated Protection

Protection functions include overcurrent and overvoltage protection, helping protect the driver and motor during abnormal operating conditions.

Applications

The CS86 Closed-Loop Stepper Motor Driver is suitable for small and medium-sized automation equipment and motion-control systems where stable operation, precise positioning and feedback control are required.

Typical applications include:

• CNC equipment
• Engraving machines
• Wire stripping machines
• Marking machines
• Cutting equipment
• Laser equipment
• Plotters
• Automatic assembly equipment
• Industrial instruments
• Other automated motion-control systems

Technical Specifications

Parameter	Specification
Driver Type	Closed-Loop Digital Stepper Motor Driver
Motor Type	Two-Phase Stepper Motor
Output Current	Adjustable, up to 6.0 A
Microstepping	Adjustable
Documented Microstepping Range	400–40,000 pulses/rev
Pulse Response Frequency	Up to 100 kHz
Control Signals	Pulse, Direction, Enable
Signal Input	Optically isolated differential input
Encoder Interface	Encoder feedback input
Motor Connection	4-, 6- and 8-wire
Power Supply	AC 18–80 V / DC 24–110 V
Protection	Overcurrent, overvoltage and related protection
Driver Dimensions	Approx. 151 × 97.5 × 52.5 mm
Weight	Approx. 0.5 kg

Control Signal & Encoder Interface

The CS86 provides pulse, direction and enable interfaces for connection with external motion controllers. Its encoder interface allows feedback signals to be connected to the driver for closed-loop motor control.

Signal	Function
PUL+ / PUL−	Pulse input
DIR+ / DIR−	Direction input
ENA+ / ENA−	Enable input
ALM+ / ALM−	Alarm output
PEND+ / PEND−	Position-reached output
EA+ / EA−	Encoder A-phase signal
EB+ / EB−	Encoder B-phase signal
VCC	Encoder 5 V power supply
GND	Encoder power ground
A+ / A−	Motor phase A
B+ / B−	Motor phase B
AC / AC	Driver power input

Microstepping & Current Configuration

The CS86 Closed-Loop Stepper Motor Driver uses DIP switches to configure the driver operating parameters. The documented configuration provides multiple microstepping settings and current settings for different motor and motion-control requirements.

The available microstepping configurations include settings from 400 pulses/rev to 40,000 pulses/rev, while the driver current can be adjusted within the documented operating range.

For the exact DIP-switch combinations, refer to the configuration table supplied with the selected CS86 driver.

Microstepping & Current Configuration

Installation Dimensions

For mechanical integration, refer to the CS86 installation drawing to confirm the overall dimensions and mounting-hole positions before installation.

Key documented dimensions include:

• Overall length: approximately 151.0 mm
• Overall height: approximately 97.5 mm
• Overall depth: approximately 52.5 mm
• Mounting dimensions: refer to the detailed installation drawing

Protection & Status Indication

The CS86 includes LED status indication for monitoring driver operating conditions and fault states.

The documented LED indications cover conditions including:

• Normal driver operation
• Overcurrent or short circuit
• Excessive input current
• Low input current
• Internal voltage fault
• Open motor phase
• Encoder fault
• Tracking error exceeding the allowable limit

This status indication helps users identify abnormal operating conditions during system commissioning and maintenance.

Why Choose the CS86 Closed-Loop Stepper Motor Driver?

Closed-Loop Motion Control

Encoder feedback enables the driver to monitor motor operation and provides an additional layer of control compared with conventional open-loop stepper systems.

Stable and Smooth Operation

Digital control and built-in microstepping technology help achieve smoother motor operation with reduced vibration.

Flexible Configuration

Adjustable current and multiple microstepping settings allow the driver to be configured for different motor and application requirements.

Built-In Protection

Overcurrent, overvoltage and tracking-error-related protection functions help improve operational reliability in automated equipment.

FAQ

1. What type of motor can the CS86 drive?

A: The CS86 is designed for compatible two-phase stepper motors and supports 4-, 6- and 8-wire motor configurations.

2. Is the CS86 an open-loop or closed-loop driver?

A: The CS86 is a closed-loop digital stepper motor driver and provides an encoder interface for feedback control.

3. What microstepping settings are available?

A: The documented configuration provides multiple settings ranging from 400 to 40,000 pulses per revolution. The exact setting is selected using the driver’s DIP switches.

4. What happens if a tracking error occurs?

A: The CS86 provides status indication and protection related to tracking errors. The specific alarm condition can be identified through the driver’s LED status indication.