VLT AutomationDrive FC 301/302Variable frequency drive (VFD)
Universal VLT drive for industrial applications with FC protocol and Modbus RTU on RS-485, MCA option cards for PROFIBUS, PROFINET, EtherNet/IP, CANopen; Safe Torque Off.
- Manufacturer
- Danfoss
- Product line
- VLT
- Device type
- Variable frequency drive (VFD)
- Communication
- ModbusPROFINETPROFIBUSEtherNet/IPCAN / CANopen
Documentation · 3
VLT AutomationDrive FC 301/302 (0.25–75 kW) — Operating Guide
Operating instructions
Mechanical and electrical installation, control wiring, commissioning, warnings and alarms with troubleshooting for FC 301/302 up to 75 kW.
Link verified 2026-10-01
VLT AutomationDrive FC 301/302 — Programming Guide
Programming manual
Local control panel, every parameter group with descriptions, and parameter-related troubleshooting for software versions 10.00 and 49.1x.
Link verified 2026-10-01
Operating Guide FC Series Add-On Instruction for VLT EtherNet/IP MCA 121
Communication manual
Using the Danfoss Add-On Instruction with Rockwell Logix controllers to control FC 102/202/301/302 drives over the MCA 121 EtherNet/IP option.
Link verified 2026-10-02
Diagnostics · 93
- Warning 1 — 10 Volts low
- Warning/Alarm 2 — Live zero error
- Warning/Alarm 4 — Mains phase loss
- Warning 5 — DC link voltage high
- Warning 6 — DC link voltage low
- Warning/Alarm 7 — DC overvoltage
- Warning/Alarm 8 — DC under voltage
- Warning/Alarm 9 — Inverter overload
- Warning/Alarm 10 — Motor overload temperature
- Warning/Alarm 11 — Motor thermistor overtemp
- Warning/Alarm 12 — Torque limit
- Warning/Alarm 13 — Over current
Knowledge · 2
Related tools · 15
Motor & VFD speedDrive Mechanics CalculatorIndustrial Diagnostic DatabaseAnalog signalModbus Address ConverterModbus Data ConverterModbus RTU Frame ParserModbus CRC16 CalculatorCAN Frame ParserCAN bit timingCANopen Message DecoderPROFINET device namePROFIBUS segmentsModbus TCP / MBAP ParserModbus Frame Builder