Modbus Explorer

Read and write to Modbus coils and registers

Description

The Modbus Explorer app enables you to read and write to registers through Instrument Control Toolbox™ without having to write a MATLAB^® script.

The Modbus Explorer app offers a user interface to easily set up read and write operations, and a live plot to see the values. The read table allows you to easily organize and manage reads for multiple addresses, such as different sensors and switches on a PLC. The app supports a subset of the MATLAB functionality. You can do the following in the Modbus Explorer app:

• Read coils, inputs, input registers, and holding registers. This is the functionality of the Modbus read function.

• Write to coils and holding registers. This is the functionality of the Modbus write function.

The app does not support the functionality of the Modbus writeRead function or the maskWrite function.

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Open the Modbus Explorer App

• MATLAB Toolstrip: On the Apps tab, under Test & Measurement, click the app icon.

• MATLAB command prompt: Enter modbusExplorer.

Examples

• Configure a Connection in the Modbus Explorer
• Read Coils, Inputs, and Registers in Modbus Explorer
• Write to Coils and Holding Registers in Modbus Explorer
• Control a PLC Using the Modbus Explorer

Version History

Introduced in R2019a