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Weintek MT8071iE “Modbus RTU” Danfoss FC302 Tutorial

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Hello friends!
HMI Weintek MT8071iE is a 7 inch HMI that is extremely commonly used in many machines around the world. It fully supports basic industrial connections such as: RS232, RS485, Ethernet and it also supports Modbus RTU.

Today will guide you to use Weintek MT8071iE to control Danfoss FC302 via Modbus RTU (RS485)

Weintek MT8071iE & Danfoss FC302 “Wiring Diagram”

Danfoss FC302 Modbus Configuration

In addition to the basic parameters set by the motor (Frequency, voltage, current…) then we need to configure the communication parameters as follows

FC302 Registers Address for Control

Note: Weintek MT8071iE Modbus Address
= “VFD Address (dec) +1”

>>> VFD Control Address = 49999 + 1 = 50000

  • Set Word 50000 = 1148 (dec) >>> Run Forward
    = 33916 (dec) >>> Run Reverse
    = 1084 (dec) >>> Stop
    = 1212 (dec) >>> VFD Reset

>>> Frequency Reference Address = 50009 + 1 = 50010

  • Reference Set = 0 to 16384(dec) ~ (0 to 100%)
FC302 Registers Address for Monitoring

+ Voltage Output Address = 16120

+ Frequency Output Address = 16130

+ Current Output Address = 16140

+ Speed Output Address = 16170

Weintek MT8071iE Modbus RTU Setting

We need to set the communication parameters of MT8071iE the same as previously configured Danfoss FC302

MT8071iE HMI Programming

+ Control Panel

+ “VFD Ready” Status

+ “VFD Running” Status

+ “VFD Alarm” Status

+ VFD Reset Command

+ Run Forward Command

+ Run Reverse Command

+ “VFD Stop” Command

+ VFD Speed Setting

+ “Frequency Output” Monitoring

+ “Current Output” Monitoring

+ “Voltage Output” Monitoring

+ “Speed Output” Monitoring

Project Video Tutorial


Related Software and Documents

>>> Weintek MT8071iE Software Download
>>> Danfoss FC302 Manual PDF Download

Password Extract:

If during project implementation, if you have any problems connecting Weintek MT8071iE with Danfoss FC302 VFD, please comment below the article, will reply you as soon as I read comment.

Best Regards!

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