Fuji Servo Motor Manual

The Fuji Servo Motor is a high-performance industrial motor designed for precision motion control applications. It features advanced servo technology, high torque output, precise positioning capabilities, multiple control modes, and robust construction for industrial environments. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: Servo motor unit, Encoder feedback system, Power connector, Control signal interface, Brake unit (optional), Cooling fan.

Feature	Description
High torque density	Compact design with high torque output
Precision encoder	High-resolution feedback for accurate positioning
Multiple control modes	Position, velocity, and torque control
Dynamic braking	Integrated brake for quick stopping
IP65 protection	Dust and water resistant construction
Overload protection	Thermal and current protection systems
Communication interface	EtherCAT, Modbus, or proprietary protocols
LED status indicators	Visual feedback for operation status
Keyway/shaft options	Multiple shaft configurations available
Mounting flexibility	Flange and foot mounting options

Installation

Unpack and inspect contents. Ensure proper mounting surface and alignment.

1. Mechanical installation: Mount motor securely using appropriate bolts and ensure proper shaft alignment.
2. Electrical connections: Connect power cables to designated terminals following wiring diagram.
3. Encoder connection: Connect feedback cable to controller interface.
4. Brake connection: If equipped, connect brake power supply.
5. Grounding: Ensure proper grounding for safety and noise reduction.

WARNING! Motor can generate high torque; ensure all guards are in place before operation. Follow lockout/tagout procedures during installation.

First-Time Setup

Power on system; configure motor parameters through controller interface.

1. Parameter initialization: Load default parameters or configure for specific application.
2. Encoder setup: Set encoder resolution and feedback type.
3. Control mode selection: Choose position, velocity, or torque control mode.
4. Tuning: Perform auto-tuning or manual tuning for optimal performance.
5. Limit settings: Configure software limits for travel and torque.

CAUTION! Ensure all personnel are clear of moving parts during initial testing. Verify direction of rotation before full operation.

Specifications

• Power Range: 50W to 7.5kW depending on model
• Voltage Rating: 200V AC or 400V AC three-phase
• Speed Range: 0-3000 RPM (standard models)
• Encoder Resolution: Up to 24-bit absolute or 17-bit incremental
• Protection Class: IP65 standard
• Ambient Temperature: 0°C to 40°C operating range
• Storage Temperature: -20°C to 65°C
• Vibration Resistance: 49 m/s² maximum
• Certifications: CE, UL, cUL approved

Controls and Settings

Access parameters through digital operator or software interface. Key parameters include:

Basic Settings: Motor type selection, encoder setup, control mode selection

Gain Settings: Position loop gain, speed loop gain, torque filter

Limit Settings: Speed limits, torque limits, current limits

I/O Configuration: Input signal assignment, output signal configuration

Communication Settings: Network address, baud rate, protocol selection

Connecting Devices

Power input: Three-phase AC power terminals. Control signals: Pulse train, analog voltage, or communication interface.

1. Power off all devices before making connections.
2. Connect main power cables to U/V/W terminals.
3. Connect encoder cable to feedback connector.
4. Connect control signals to appropriate input terminals.
5. Connect communication cable if using network control.

Tip: Use shielded cables for signal lines and maintain proper separation from power cables.

Operation Modes

Supports position control, speed control, and torque control modes.

1. Position control: Use pulse train or communication commands for precise positioning.
2. Speed control: Maintain constant speed under varying load conditions.
3. Torque control: Maintain constant torque output for tension control applications.
4. Homing: Automatic return to reference position.
5. Jog operation: Manual movement for setup and maintenance.
6. Program operation: Execute pre-programmed motion sequences.

WARNING! Always verify operating mode before starting motion. Unexpected movement can cause injury or equipment damage.

Safety Features

Overload protection: Thermal and current monitoring. Emergency stop: Hardware and software stop functions. Safe torque off: STO functionality for safety compliance. Limit switches: Hardware and software travel limits.

Maintenance & Care

Regular inspection: Check for abnormal noise, vibration, or heating. Bearing maintenance: Lubricate according to operating hours. Cooling system: Clean air vents and check fan operation. Electrical connections: Periodically check terminal tightness.

CAUTION! Disconnect power before performing maintenance. Use only approved lubricants and replacement parts.

Regulatory Information

Complies with IEC 61800 series for adjustable speed electrical power drive systems. Meets CE directives for EMC and low voltage equipment. UL and cUL listed for North American markets. RoHS compliant for hazardous substance restrictions. For technical support, visit www.fujielectric.com or contact local distributor.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Motor does not start	Power supply/control signal	Check main power; verify enable signal; check emergency stop circuit.
Overload alarm	Excessive load/parameter setting	Reduce load; check torque limits; verify acceleration settings.
Position error	Encoder/mechanical issue	Check encoder connection; verify mechanical alignment; adjust position gain.
Overheating	Insufficient cooling/overload	Clean cooling fins; check ambient temperature; reduce duty cycle.
Communication error	Cable/parameter setting	Check cable connections; verify communication parameters; reset interface.

Reset: Power cycle or use reset command to clear faults.

Service: Contact authorized Fuji service center; www.fujielectric.com/support