What are the ways to program an AC drive?

Programming a Fuji Electric FRENIC AC drive can be done in several ways depending on the model and user preference. Below are the most common methods used to configure and tune a FRENIC drive:

Built-in Keypad (Digital Operator)

Most FRENIC drives come with a built-in or detachable keypad for manual programming.

Features:

  • 7-segment display or LCD screen (varies by model)
  • Scroll through parameters using arrow keys
  • Easily set motor data, acceleration/deceleration time, frequency limits, I/O logic, etc.

Ideal For:

  • Quick setup or on-site adjustments
  • Users without a PC or software

 

PC-Based Programming via FRENIC Loader Software

Fuji Electric offers FRENIC Loader, a free Windows-based software tool.

Features:

  • View, edit, and save parameter sets
  • Upload/download settings from drive
  • Monitor real-time performance (speed, current, voltage)
  • Save backups and clone settings to multiple drives

Requirements:

  • PC with Windows OS
  • USB-to-RS485 converter or USB cable (depends on drive model)

Ideal For:

  • Commissioning multiple drives
  • Advanced tuning and diagnostics
  • Creating parameter backups

 

Smart Loader USB (For Some Models)

Select FRENIC models support a Smart Loader USB interface, allowing parameter transfer via USB memory stick.

Features:

  • Plug-and-play configuration transfer
  • Great for OEMs and field engineers
  • No PC needed on site

Ideal For:

  • Rapid drive setup in the field
  • Preconfigured installations

 

Remote Keypad / Digital Operator (Optional Accessory)

External operator panels (e.g., TP-E1-E) allow you to program the drive remotely from outside an enclosure.

Features:

  • Full keypad with display
  • Extended reach via cable
  • IP54 or better enclosures available

Ideal For:

  • Control panels
  • Hazardous or hard-to-access drive installations

 

Fieldbus or Network Communication

Many FRENIC drives support network programming through fieldbus options like:

  • Modbus RTU
  • Ethernet/IP
  • Profibus
  • BACnet/IP (HVAC models)

Features:

  • Set parameters and issue run/stop/frequency commands via PLC or SCADA
  • Monitor drive status remotely

Ideal For:

  • Automated or integrated control systems
  • Facility-wide drive management\

 

Preset Programs & Macros (Model-Dependent)

Some FRENIC series (like the FRENIC-HVAC or FRENIC-MEGA) offer preloaded function sets or application-specific macros (e.g., pump, fan, conveyor).

Features:

  • Quick setup using wizards
  • Logical groupings of parameters
  • Simplifies common applications

Pro Tips for Programming FRENIC Drives:

  • Always start by entering motor nameplate data (parameter group F)
  • Use auto-tuning (if supported) for optimized motor performance
  • Save a parameter backup before making major changes
  • Use monitoring mode to view real-time performance during testing
  • Refer to the drive’s parameter manual for detailed descriptions and function codes

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