CS42 Closed-Loop Stepper Driver

Overview

The CS42 Closed-Loop Stepper Driver is a compact digital driver designed for two-phase stepper motor control with encoder feedback. It combines microstepping technology with closed-loop operation to support smoother motor motion and improved positioning performance in automation equipment and instruments.

With selectable current and pulse/revolution settings, the CS42 can be configured for different motion-control requirements. Its compact housing also makes it suitable for applications where installation space is limited.

The driver supports multiple two-phase stepper motor wiring configurations and provides pulse, direction and enable interfaces for connection with external motion controllers. Encoder feedback allows the driver to monitor motor operation and respond to tracking errors during motion.

Key Features

Closed-Loop Motion Control

Encoder feedback enables the driver to monitor motor operation and provides tracking-error protection for closed-loop stepper motor applications.

Adjustable Microstepping

Multiple pulse/revolution settings allow the motion resolution to be configured according to the requirements of different mechanical systems.

Smooth and Low-Noise Operation

Built-in microstepping technology helps improve motor smoothness and reduce vibration and operating noise.

Flexible Motor Compatibility

The CS42 supports 4-, 6- and 8-wire two-phase stepper motors, providing flexibility when selecting a compatible motor configuration.

Adjustable Current Settings

The driver provides selectable operating-current settings from 0.3 A to 2.2 A according to the current-setting table in the supplied technical documentation.

Compact Design

The compact driver housing is suitable for integration into automation equipment, instruments and other applications with limited installation space.

Protection Functions

The supplied documentation indicates protection against conditions including overcurrent, overvoltage and excessive tracking error.

Applications

The Closed-Loop Stepper Driver is suitable for small and medium-sized automation equipment and instruments where closed-loop stepper motor control is required.

Typical applications include:

• CNC equipment
• Engraving machines
• Wire stripping machines
• Marking machines
• Cutting equipment
• Laser equipment
• Plotters
• Automatic assembly equipment
• Instrumentation and laboratory automation
• Other compact motion-control systems

Technical Specifications

Parameter	Specification
Product Type	Closed-Loop Stepper Driver
Control Type	Closed-loop
Motor Type	Two-phase stepper motor
Motor Wiring	4-, 6- and 8-wire
Microstepping / Pulse Resolution	800–40,000 pulses/rev
Selectable Current	0.3–2.2 A
Pulse Frequency	Up to 200 kHz
Power Supply	DC 18–36 V
Control Signals	Pulse, Direction, Enable
Encoder Interface	Encoder feedback input
Protection	Overcurrent, overvoltage, tracking-error protection
Installation	Panel / equipment integration

Current Settings

Current	SW1	SW2	SW3
0.3 A	ON	ON	ON
0.5 A	ON	OFF	ON
0.7 A	OFF	ON	ON
1.0 A	OFF	OFF	ON
1.3 A	ON	ON	OFF
1.6 A	ON	OFF	OFF
1.9 A	OFF	ON	OFF
2.2 A	OFF	OFF	OFF

SW4: Pulse / Direction or CW/CCW control mode according to the supplied setting information.

Control Signal & Wiring

The CS42 provides pulse, direction and enable interfaces for connection with external motion controllers. The driver also incorporates an encoder interface for closed-loop motor feedback.

Main Control Interfaces

Electrical Characteristics

Parameter	Min.	Typical	Max.	Unit
Continuous Output Current	0	–	5.6	A
Input Power Voltage	+24	–	+80	Vdc
Logic Input Current	7	10	20	mA
Pulse Frequency	0	–	200	kHz
Insulation Resistance	500	–	–	MΩ

Installation Dimensions

For mechanical integration, refer to the CS42 installation drawing to confirm the mounting dimensions, connector positions and overall driver dimensions before installation.

Why Choose the CS42 Closed-Loop Stepper Driver?

Compact Closed-Loop Solution

The CS42 combines closed-loop motor feedback and digital microstepping control in a compact driver format, making it suitable for space-constrained automation systems.

Flexible Motion Resolution

Multiple pulse/revolution settings provide flexibility when matching motor resolution with the mechanical transmission and positioning requirements.

Encoder-Based Feedback

Encoder feedback allows the driver to monitor motor operation and provides tracking-error protection for closed-loop applications.

Broad Application Compatibility

The driver supports multiple two-phase motor wiring configurations and can be integrated with various external motion controllers.

FAQ

1. What type of motor is compatible with the CS42?

A: The CS42 is designed for compatible two-phase stepper motors and supports 4-, 6- and 8-wire motor configurations.

2. Is the CS42 an open-loop or closed-loop driver?

A: The CS42 is a closed-loop stepper driver and includes an encoder feedback interface.

3. What power supply does the CS42 use?

A: The supplied CS42 product documentation indicates a DC 18–36 V power supply. Please confirm the exact power requirement for the selected configuration before integration.

4. How do I select the correct CS42 settings?

A: Current and pulse/revolution settings are selected using the driver’s DIP switches. Refer to the corresponding setting tables for the required motor and motion-control configuration.