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Yaskawa V1000 “Modbus RTU” via Modbus Poll

Yaskawa V1000 is an extremely famous type of Yaskawa inverter that is widely used from light loads to heavy loads. Today will guide you to use PC to control Inverter via Modbus RTU (RS 485)

You need to prepare 1 USB to RS485 Cable and “Modbus Poll” software (Download link at the bottom of the article, capacity 3MB)

Yaskawa V1000 Modbus Wiring Diagram

Yaskawa V1000 Modbus RTU Setting

In order for the inverter to be controlled via the RS485 port, we need to configure the parameters as shown in the table below:

Register for Motor Control

>>> Motor Control Address = 1

+ Set Word 1 = 1 >>> Motor Run Forward
Set Word 1 = 2 >>> Motor Run Reverse
Set Word 1 = 0 >>> Motor Stop

>>> Motor Frequency Setting Address = 2

Register for Data Response

+ Output Frequency Address = 24 (Hex)

+ Output Voltage Address = 25 (Hex)

+ Output Current Address = 26 (Hex)

Modbus Poll Programming

+ Control Motor Command

+ Setting Frequency Command

+ Data Monitoring

Video Tutorial


Documents & Software:

+ Modbus Poll Software Download

+ Yaskawa V1000 VFD Manual PDF

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