(FRENIC-Ace) is a high-power, intelligent Variable Frequency Drive (VFD) designed for motors up to 90kW (120 HP). As part of the "Ace" series, it functions as both a motor controller and a mini-PLC, making it capable of managing massive industrial systems without needing extra hardware.
Primary Control Functions
Customizable Logic (Built-in PLC): This is the drive's most powerful feature. It contains a built-in logic controller (up to 200 steps) that allows you to program machine sequences, timers, and counters. You can automate your high-power system without needing an external PLC.
Triple/Quadruple Ratings: A single drive unit can be programmed to handle different motor sizes based on the load type:
Normal Duty (ND): Optimized for centrifugal loads like fans and pumps, allowing for a 90kW (120 HP) motor at 168.0A.
High Normal Duty (HND): Best for general-purpose high-performance needs, allowing a 75kW (100 HP) motor at 150.0A.
High Heavy Duty (HHD): Optimized for high-friction starts like mixers or crushers, providing 200% overload protection for a 55kW (75 HP) motor at 112.0A.
Safe Torque Off (STO): A hardware-based safety function (SIL3/PLe) that physically disables the motor's power path. It allows you to maintain the machine safely without needing large, expensive external magnetic contactors.
Operational Capabilities
Universal Motor Support: It controls standard Induction Motors as well as high-efficiency Permanent Magnet (PM) Synchronous Motors, helping your plant meet modern energy-saving goals.
Precision Vector Control: Maintains steady speed and maximum torque even at extremely low speeds or during sudden load spikes. This is critical for high-power applications like heavy-duty conveyors or large industrial extruders.
High-Speed Output: Capable of reaching up to 500 Hz, which is required for high-speed industrial spindles and specialized machining.
Dynamic PID Control: Includes built-in PID for maintaining constant pressure, flow, or temperature, featuring "anti-windup" logic to prevent system surges during startup.
Safety & Maintenance
Removable Control Terminals: The wiring terminal block is completely detachable. If a drive needs replacing, you can just unplug the block and plug it into the new unitno re-wiring required, which saves hours of downtime.
Predictive Life Diagnostics: It monitors the "health" of its own cooling fans and internal capacitors. It is designed for a 10-year lifetime, and warnings help schedule maintenance before a failure occurs.
Dual RS-485 Ports: Features two communication ports as standard, so you can connect a Touchscreen (HMI) and a PC for programming simultaneously.
Connectivity
Standard Modbus RTU & CANopen: Built-in for easy factory networking.
Expandable: The Ace can accept optional cards for Profibus, DeviceNet, Ethernet/IP, and Profinet, allowing it to fit into any modern Industry 4.0 network.
The Fuji Electric FRN0168E2S-4GB is one of the larger frame sizes in the FRENIC-Ace series. To manage the heat from a 150 HP (168A) load, it uses a heavy-duty industrial chassis.
Physical Dimensions & Weight
Measurement
Metric (Standard)
Imperial (Inches/Lbs)
Width
363.2 mm
14.30 in
Height
675 mm
26.57 in
Depth (Length)
276.5 mm
10.89 in
Weight
33 kg
72.75 lbs
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