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Hitachi NE-S1 “Modbus RTU” via Modbus Poll

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Hello everyone, Hitachi NE-S1 inverter is a small, cheap but good quality inverter. It supports most of the basic control methods of the inverter as well as an RS485 port which makes it possible to control and monitor with Modbus RTU.

Today will guide you to use ModbusPoll software to control Hitachi NES1, these are Computer control Inverter quickly and easily.

Hitachi NE-S1 & Computer “Connection Diagram”

+ In order for the Computer to have an RS485 port, we need to use a “USB to RS485” Cable

Hitachi NES1 VFD Parameters Setting

+ Below is a table of communication parameters of the inverter that needs to be installed to be controlled by Modbus RTU

+ “RS485 mode” Selection via SW5

Hitachi NE-S1 VFD Modbus Registers

+ Below is the Modbus address table that makes it possible to control and monitor the inverter by Computer

Modbus Poll Example

+ Frequency Setting

+ Run/Stop Control

+ Forward/Reverse Control

+ VFD Reset Command

+ Read Data Monitoring

Video Tutorial

+ Video Setup Tutorial & Test Run


Related Software and Documents

>>> Modbus Poll Software Free Download
>>> Hitachi NE-S1 Manual PDF Download

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