Fuji Frenic Multi Manual PDF

The Fuji Frenic Multi is a versatile industrial inverter designed for motor control applications, featuring advanced frequency control, multiple operating modes, comprehensive protection functions, and user-friendly programming interfaces. This manual covers installation, operation, parameter settings, troubleshooting, and maintenance procedures for optimal performance.

Product Overview

The Fuji Frenic Multi inverter provides precise motor speed control with multiple control modes and advanced features for industrial applications.

Installation Guidelines

Proper installation ensures reliable operation and longevity of the inverter.

1. Mounting: Install in well-ventilated area with adequate clearance (minimum 100mm on sides).
2. Environment: Avoid direct sunlight, dust, moisture, and corrosive gases.
3. Temperature: Operating range 0°C to 40°C (derating above 40°C).
4. Vibration: Maximum 5.9 m/s² during operation.
5. Altitude: Below 1000m without derating.

WARNING! Ensure proper grounding and follow electrical safety standards during installation.

Wiring Connections

Correct wiring is essential for safe and efficient operation.

1. Power Input: Connect L1, L2, L3 (3-phase) or L1, L2 (single-phase) to main power supply.
2. Motor Output: Connect U, V, W to motor terminals.
3. Control Circuit: Connect digital inputs, analog inputs, and communication terminals.
4. Grounding: Use proper grounding wire (minimum 3.5mm²).
5. Braking Resistor: Connect external braking resistor if required.

CAUTION! Disconnect all power before wiring and ensure correct terminal connections.

Basic Operation

Initial setup and basic operating procedures.

1. Power On: Apply power to the inverter.
2. Parameter Initialization: Reset to factory settings if required.
3. Motor Data Setup: Enter motor rated current, voltage, and frequency.
4. Operation Mode: Select local (keypad) or remote (external signal) control.
5. Start/Stop: Use RUN and STOP keys or external signals.
6. Frequency Setting: Adjust via keypad or analog input.

Note: Complete motor auto-tuning for optimal vector control performance.

Parameter Settings

Key parameters for customizing inverter operation.

• Base Frequency (F03): Motor rated frequency (50/60Hz).
• Maximum Frequency (F04): Upper frequency limit.
• Acceleration Time (F07): Time from 0 to maximum frequency.
• Deceleration Time (F08): Time from maximum to 0 frequency.
• Motor Protection (F10): Electronic thermal protection setting.
• Starting Method (F23): DC injection braking or soft start.
• Carrier Frequency (F26): PWM switching frequency.
• Multi-function Inputs (E01-E07): Programmable digital inputs.
• Multi-function Outputs (E20-E22): Programmable relay outputs.

Control Modes

Various control methods available for different applications.

V/F Control: Simple voltage-to-frequency ratio control for general purposes.

Vector Control: Advanced control for high-performance applications requiring precise torque and speed control.

Operation Modes: Local mode (keypad control), Remote mode (external signal control), Communication mode (network control).

Frequency Reference: Keypad setting, Analog input (0-10V/4-20mA), Multi-step speed, Communication setting.

Protection Functions

Comprehensive protection features ensure equipment safety.

1. Overcurrent Protection: Trips at 150% of rated current for 1 minute.
2. Overvoltage Protection: Activated when DC bus voltage exceeds threshold.
3. Undervoltage Protection: Prevents operation during low voltage conditions.
4. Overheat Protection: Monitors heatsink temperature.
5. Motor Overload: Electronic thermal protection for motor.
6. Short Circuit Protection: Instantaneous trip for output short circuits.
7. Ground Fault Protection: Detects ground faults in motor circuit.

Tip: Monitor fault history for preventive maintenance.

Maintenance & Inspection

Regular maintenance ensures long-term reliability.

1. Daily: Check for abnormal noise, vibration, or overheating.
2. Monthly: Clean air vents and check connection tightness.
3. Quarterly: Measure main circuit voltage and check control signals.
4. Annually: Inspect cooling fan and replace if necessary.
5. Biannually: Check DC bus capacitors and replace if bulging or leaking.

WARNING! Always disconnect power before performing maintenance.

Technical Specifications

• Model Series: FRN0001E1S-4G to FRN0075E1S-4G
• Input Power: 3-phase 200-240V AC ±10%, 50/60Hz
• Output Power: 3-phase 0-240V AC, 0.1-400Hz
• Control Method: Sine wave PWM control
• Frequency Setting: Digital: 0.01Hz steps, Analog: 0.1% resolution
• Accuracy: Digital: ±0.01%, Analog: ±0.2%
• Efficiency: >95% at rated load
• Ambient Temperature: -10°C to +50°C (derating above 40°C)
• Storage Temperature: -20°C to +65°C
• Humidity: 5% to 95% RH (non-condensing)

Troubleshooting Guide

Reset Procedure: Press STOP/RESET key or cycle power after correcting fault cause.

Technical Support: Contact Fuji Electric customer service for complex issues.