Delta HMI “Modbus RTU” Danfoss FC302 Tutorial

Hello friends, Danfoss FC302 Inverter is applied in automatic lines such as food processing, beverage, mixer, extruder, agitator, crusher, conveyor, conveyor, fan, crane, etc. … accounted for more than 95% of the inverter market share in beer, soft drink, food and dairy production lines.

• Delta HMI “Modbus RTU” Fuji Frenic Tutorial

Danfoss FC302 inverter supports all basic types of inverter connection, it also has a built-in RS485 port for convenient control by Modbus RTU communication. Today plc247.com will guide you to use HMI Delta DOP-107EV to control Danfoss FC302 by Modbus-RTU (RS485) Communication.

Delta DOP-107EV & Danfoss FC302 “Wiring Diagram”

+ Note: Use a 120Ω Terminal Resistor if the communication distance is long

Danfoss FC302 Modbus Parameters Setting

To be able to control Danfoss FC302 inverter with Modbus-RTU, in addition to the basic parameters, we need to install the following communication parameters

Danfoss FC302 Modbus Registers Address

+ Control Word Address = C34F (hex)

>>> Set Word “C34F” = 1148 (dec) or 47C (hex) >>> Run Forward
= 33916 (dec) or 847C (hex) >>> Run Reverse
= 1084 (dec) or 43C (hex) >>> Stop
= 1212 (dec) or 4BC (hex) >>> VFD Reset

+ Frequency Setting Address = C359 (hex)

• Reference Set = 0 to 16384(dec) ~ (0 to 100%)

+ Voltage Output Address = 16119 (dec) = 3EF7 (hex)

+ Frequency Output Address = 16129 (dec) = 3F01 (hex)

+ Current Output Address = 16139 (dec) = 3F0B (hex)

+ Speed Output Address = 16169 (dec) = 3F29 (hex)

Delta HMI Modbus-RTU Configuration

In order for HMI Delta to control Danfoss FC302 with Modbus-RTU, we need to set the communication parameters of the HMI to be the same as that of the VFD

HMI Delta Modbus Exampe

+ Control Panel

+ VFD Ready Status

+ VFD Alarm Status

+ VFD Reset Command

+ Speed Setting Command

+ Forward Run Command

+ Reverse Run Command

+ Stop Command

+ Output Frequency Read

+ Output Current Read

+ Output Voltage Read

+ Output Speed Read

Project Video Tutorial

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Software and Documents

>>> Delta DOP Software Free Download

>>> Danfoss FC302 Inverter Manual PDF Download

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