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PowerFelex 525 “Modbus RTU” via Modbus Poll

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Modbus Poll is a Modbus master emulator mainly designed to help Modbus device developers or others who want to test and simulate the Modbus protocol. This is a solution that helps control Modbus communication enabled devices by computer easily and quickly.

Today will guide you to use Modbus Poll software to control Allen-Bradley PowerFlex 525 inverter quickly and easily.

Computer & PowerFelex 525 “Wiring Diagram”

PowerFelex 525 Modbus RTU Configuration

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

Register Address Table

>>> Motor Control Address = 2000 (Hexa)

+ Set 2000 (Hex) = 18/34/1/8 >>> Forward Run/Reverse Run/Stop/Clear Faults

>>> Frequency Setting Address = 2001 (Hexa)

“Modbus Poll” Programming

+ Frequenct Setting

+ Motor Control Run

+ Data Response

Project Tutorial Video


Recommended software and documentation

+ Modbus Poll Software Download
+ Allen-Bradley PowerFlex 525 Manual PDF

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If you have any difficulties in connecting the PowerFlex525 Inverter or the Document download link is broken, please comment below the article.

Best Regards!

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