1. Introduction
This manual provides comprehensive instructions for the installation, operation, maintenance, and troubleshooting of the Kinco FD and FD5 Series AC Servo Drives. These high-performance servo drives are designed for precise motion control in various industrial automation applications, offering a power range from 200W to 3KW and supporting multiple communication protocols.

Kinco FDSP Servo Drive
2. Safety Information
Always prioritize safety during installation, operation, and maintenance. Improper handling of electrical equipment can lead to serious injury or damage. Please observe the following general safety guidelines:
- Ensure the power supply is disconnected before performing any wiring or maintenance.
- Only qualified personnel should install, operate, and maintain this equipment.
- Verify correct wiring and grounding to prevent electrical shock and ensure proper functionality.
- Avoid touching internal components when the drive is powered or recently powered, as residual voltage may be present.
- Operate the drive within its specified voltage and current limits.
For detailed safety instructions and warnings, please refer to the complete user manual PDF provided by Kinco. A link to the official documentation is available in the 'User Tips' section of this manual.
3. Product Overview and Features
The Kinco FD/FD5 series servo drives are engineered for high performance and reliability. Key features include:
- Compact Structure: Space-saving design for efficient cabinet integration.
- Advanced Software: Utilizes powerful Kinco software for optimized performance.
- Robust Protection: Excellent suppression and fault protection functions ensure stable operation.
- High Quality: Built with high-quality components for durability and reliability.
- Notch Filter: Integrated notch filter for effective vibration suppression.
- Easy Tune & Self-Tuning: Optimized for easy tuning and online self-tuning capabilities.
- High-Precision Encoder Support: Adaptable to high-precision encoder applications for enhanced accuracy.
- S-Curve Control: Provides smooth acceleration and deceleration profiles.
- Real-time Synchronization: Improves production efficiency and precision in multi-axis synchronized control systems.
- Multi-Bus Communication: Supports various industrial communication protocols including MODBUS, CANopen, EtherCAT, and Profinet.

FD5 Series Servo Drive Key Features
4. Specifications
4.1. Drive List
The FD5 series servo drives are available in various models with different power ratings and control modes:
| Series | Model | Power (W) | Supply voltage | Max. continuous output current (rms) (A) | Peak current (A) | Control mode |
|---|---|---|---|---|---|---|
| FD5 series | FD425-LA-000, FD425-CA-000, FD425-EA-000, FD425-PA-000, FD425-LF-000, FD425-CF-000, FD425-EF-000, FD425-PF-000 | 200/400 | AC220V | 3.9 | 18 | RS485, CANopen, EtherCAT, Profinet |
| FD435-LA-000, FD435-CA-000, FD435-EA-000, FD435-PA-000 | 750/1000 | 5 | 18 | RS485, CANopen, EtherCAT, Profinet | ||
| FD625-LA-000, FD625-CA-000, FD625-EA-000, FD625-PA-000 | 1500/2000 | 10 | 27.5 | RS485, CANopen, EtherCAT, Profinet | ||
| FD625-LA-000, FD625-CA-000, FD625-EA-000, FD625-PA-000 | 1500/2000/3000 | AC380V | 7 | 25 | RS485, CANopen, EtherCAT, Profinet |
FD5 Series Drive List
4.2. Motor Model List
The FD5 series servo drives are compatible with SMC series motors. Below is a summary of motor specifications:
| Series | Specification model | Rated wattage Pn(W) | Rated torque Tn(Nm) | Rated speed n(rpm) | Rated current In(A) | Shaft diameter (mm) | Fuselage length (mm) |
|---|---|---|---|---|---|---|---|
| SMC Series 60 Flange | SMC60S-0020-30M K-5LSU | 200 | 0.64 | 3000 | 1.6 | 14 | 67.5±1.5 |
| SMC60S-0040-30M K-5LSU | 400 | 1.27 | 3000 | 2.6 | 14 | 85.5±1.5 | |
| SMC60S-0075-30M K-5LSU | 750 | 2.39 | 3000 | 4.6 | 19 | 92.5±1.5 |
SMC Series Motor Model List (Partial)
4.3. Drive and Motor/Cable Naming Rules
Understanding the naming conventions for drives, motors, and cables is crucial for proper selection and configuration. The naming rules provide details on series, voltage, drive current, control type, software version, flange size, inertia type, rated power, rated speed, encoder type, and motor outlet type.

Drive and Motor Naming Rules Example

Cable Naming Rules
5. Setup and Installation
5.1. Mounting Instructions
The FD/FD5 series servo drives feature a narrow, book-shape design, allowing for flexible mounting options such as rail, vertical, or side mounting. This design helps save up to 20% space compared to previous generations.
- Ensure adequate ventilation: Maintain a minimum of 100mm clearance above and below the drive, and 25mm clearance on the left and right sides for proper heat dissipation.
- Mount on a stable, vibration-free surface.
- Use appropriate fasteners to secure the drive firmly.
5.2. External Wiring Diagram
Correct wiring is essential for the safe and proper operation of the servo drive. Refer to the diagrams below for single-phase AC220V, three-phase AC220V, and three-phase AC380V connections. Always ensure power is disconnected before wiring.

Drive External Wiring Diagram
Key Wiring Points:
- Power Input: Connect the appropriate AC power supply (single-phase 220V, three-phase 220V, or three-phase 380V) to the L1, L2, L3 (or L, N for single-phase) terminals.
- Motor Connection: Connect the servo motor to the U, V, W terminals.
- Braking Resistor: If an external braking resistor is required, connect it to the RB+ and RB- terminals.
- Control Signals: Connect digital inputs (DI1-DI4), analog inputs (AI), analog outputs (AO), and relay outputs (TA-TB-TC) as per your application requirements.
- Communication: Utilize RS485 terminals (A+, B-) for serial communication.
- Grounding: Ensure proper grounding of the drive and motor to the PE terminal.
6. Operation
6.1. Control Modes
The Kinco FD/FD5 series servo drives support various control modes to suit different application needs:
- V/F Control: Voltage/Frequency control, suitable for general-purpose applications.
- Sensorless Vector Control (SVC): Provides improved speed and torque control without an encoder.
- Closed Loop Vector Control (FVC): Offers high-precision speed and torque control with encoder feedback.
6.2. Keyboard Operation
The drive features an intuitive keyboard for parameter setting, monitoring, and control. The keyboard includes independent keys for various functions and indicator lights to display the drive's status.

Keyboard Operation Panel
Key Functions:
- MENU: Access the parameter menu.
- ENTER: Confirm selection or parameter value.
- Up/Down Arrows: Navigate through menus and adjust parameter values.
- SHIFT: Shift cursor position or access secondary functions.
- RUN: Start motor operation.
- STOP/RESET: Stop motor operation or reset faults.
- FWD/REV: Toggle forward/reverse direction (if configured).
Indicator Lights:
- LOC/REM: Indicates local or remote control mode.
- RUN: Illuminates when the drive is running.
- ALM: Flashes for faults or self-learning status, off for normal operation.
- Current Limiting: Illuminates when current limiting is active.
6.3. Parameter Setting
Parameters can be set via the digital keyboard, analog inputs (voltage/current), pulse inputs, or through serial port communication (RS485). Refer to the detailed parameter list in the full PDF manual for specific settings and their functions.
7. Maintenance
Regular maintenance ensures the longevity and optimal performance of your Kinco FD/FD5 series servo drive. Follow these general guidelines:
- Keep Clean: Regularly clean the drive to prevent dust and debris accumulation, especially around cooling fins and ventilation openings.
- Check Connections: Periodically inspect all wiring connections for tightness and signs of wear or corrosion.
- Environmental Conditions: Ensure the operating environment remains within specified temperature and humidity ranges to prevent damage.
- Fan Inspection: Check cooling fans for proper operation and clear any obstructions.
For detailed maintenance schedules and procedures, consult the comprehensive user manual PDF.
8. Troubleshooting
The Kinco FD/FD5 series servo drives incorporate various protection functions to ensure safe operation. If a fault occurs, the drive will typically display an error code or illuminate the fault indicator. Common issues and their potential causes/solutions include:
- Overvoltage/Undervoltage Protection: Triggered by abnormal input voltage. Check the power supply voltage and ensure it is within the drive's specified range.
- Overcurrent Protection: Occurs when the output current exceeds safe limits, often due to motor overload, short circuits, or incorrect tuning. Check motor load, wiring, and drive parameters.
- Input/Output Phase Loss Protection: Detected if one or more phases of the input or output power are missing. Verify all power connections.
- Short Circuit Protection: Activated by short circuits in the motor or wiring. Inspect motor and cable integrity.
- Overtemperature Protection: Indicates the drive is overheating. Check ambient temperature, ensure proper ventilation, and clean cooling fins.
- SVC Stall Fault: In SVC mode, this can occur if the motor cannot reach the commanded speed due to excessive load or incorrect parameters.
Always refer to the drive's display for specific error codes and consult the detailed troubleshooting guide in the full PDF manual for comprehensive solutions.
9. User Tips
- Download the Full Manual: For detailed technical specifications, wiring diagrams, parameter settings, and advanced troubleshooting, it is highly recommended to download the official user manual in PDF format. You can typically find this on the manufacturer's website or via the provided link: Kinco FD Series Servo Drive User Manual (PDF).
- Parameter Backup: Utilize the parameter copy function available through the external keyboard to back up your drive's settings. This can save significant time during replacement or if settings are accidentally changed.
- Monitor Performance: Regularly monitor key parameters like output frequency, voltage, and current to ensure the drive is operating efficiently and to detect potential issues early.
10. Warranty and Support
For warranty information, please refer to the official Kinco documentation included with your product or available through the provided PDF manual. For technical support, inquiries about recommended models, or any other questions, please contact the seller, PLC HMI Home Store. They are available to assist with technical details and provide solutions.





