Allen Bradley Drives Inverters Guides HMI-SCADA Guides

Weintek MT8071iE “Modbus RTU” PowerFlex 525 VFD

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Hello everyone.
In the previous post, guided everyone to connect and install the Allen Bradley PowerFlex 525 inverter.

Today I would like to continue to guide you to control the inverter through a very popular communication standard in the industry: Modbus-RTU. And the device used is HMI Weintek MT8071iE

MT8071iE & PowerFlex 525 “Wiring Diagram”

PowerFlex 525 Modbus Parameters Setting

In addition to the basic parameters of the inverter, we need to set the communication parameters as follows:

Register for Control

>>> Motor Control Address = 2000 (Hexa)

  • Set Word 2000 = 18 >>> Run Forward
  • Set Word 2000 = 34 >>> Run Reverse
  • Set Word 2000 = 1 >>> Stop
    = 8 >>> VFD Fault Reset

>>> Frequency Setting Address = 2001 (Hexa)

Register for Monitoring

Weintek MT8071iE Modbus Configuration

MT8071iE HMI Programming

+ HMI Interface

+ Frequency Setting

+ Forward Run

+ Reverse Run

+ Stop Run

+ Reset VFD Error

+ VFD Error Status

+ Frequency Output

+ Voltage Output

+ Current Output

Video Tutorial


Recommended software and documentation:

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Thanks and Best Regards!

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