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Industry Solutions
Need help choosing?
Tell us the motor type, required cable length, and installation conditions — an engineer will help you select a compatible cable for reliable drive operation.
Motor Cables: Reliable Connections for Servo Drives and Stepper Systems
Cabling affects drive reliability just as much as the motor and controller. Servo systems usually need power cables to supply the motor and signal cables for encoder feedback. Stepper systems need a motor cable and, for closed-loop operation, may also need encoder or sensor cables. Choosing the right cables helps prevent interference, wiring errors, and premature wear in moving assemblies.
How to Choose Cables for Your System
- Compatibility: The cable must match the motor ↔ controller combination (connectors, pinout, shielding, and encoder type).
- Cable type: Power, signal (encoder), or combined, depending on the system.
- Connectors: Common M8/M12 formats and dedicated connectors for specific drive series.
- Length and routing: Allow sufficient length for servicing and account for routing conditions, including cable carriers and bend radius.
- Environment: Oils, moisture, dust, and vibration affect the choice of jacket and protection rating.
Practical Recommendations
- Keep signal and power cables separate where possible to reduce interference.
- For moving assemblies, choose cables rated for use in cable carriers.
- Check the pinout and encoder type, as these are common sources of incompatibility.
Related Categories
Drives: servo drives; motors: servo motors and stepper motors; controllers: motor controllers; power: power supplies. If you need assistance, visit our contact page.
Frequently Asked Questions About Motor Cables
What is the difference between a power cable and an encoder cable?
A power cable supplies the motor, while an encoder cable carries feedback signals. They have different shielding and pinout requirements.
How can I avoid cable compatibility problems?
Check the connectors, number of contacts, coding, pinout, and encoder type. It is best to select cables for the specific motor and controller combination.
What cable length do I need?
It depends on the cable route and servicing requirements. If the cable moves, account for bend radius and routing through a cable carrier.
Is shielding necessary?
For servo systems and long cable runs, shielding is often important to reduce interference and maintain reliable encoder and signal operation.
Can you select cables for my components?
Yes. Send us the motor and controller models (or links), and we can select compatible power and signal cables.