Unlike other Modbus to OPC interfaces, the OPC Server for Modbus can grant and deny access to tags based on user login. The Modbus OPC Server is a powerful tool that enables a secure access to your Control and Automation systems and opens new connectivity horizons to other parties and it is available at an unbeatable price. The Modbus Explorer App lets you read and write data to any Modbus ® device without writing MATLAB ® code. With this app you can configure Modbus communication, read and write to Modbus registers, view live plots of register data, and automatically generate a MATLAB live script. The app supports communication over Modbus TCP/IP and Modbus.
Use the Modbus Explorer App
You can read and write to coils and registers in the Modbus Explorer app. The app supports a subset of the MATLAB Modbus functionality. You can do the following in the Modbus Explorer:
- Read coils, inputs, 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.
![Modbus Ip Explorer For Os X Modbus Ip Explorer For Os X](/uploads/1/2/6/8/126890792/567338355.png)
Modbus Tcp Vs Modbus Rtu
The app does not support the functionality of the Modbus
writeRead
function or the maskWrite
function.![Modbus Ip Explorer For Os X Modbus Ip Explorer For Os X](https://www.matrox.com/imaging/media/image/products/smart_cameras/iris-gtr-da/compare_models/GTR_mesurement_diagram.jpg)
The Modbus Explorer offers a user interface to easily set up reads and writes 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 on a PLC.
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To launch the Modbus Explorer, do one of these:
- In the MATLAB Apps tab, under Test & Measurement, select .
- At the MATLAB command line, type
modbusExplorer
.
To use the Modbus Explorer, you need to configure your device and connect over TCP/IP or Serial RTU. For information about how to configure and connect to your device, see Configure a Connection in the Modbus Explorer.
After you have successfully configured your device in the Configure tab, press the button to open the read and write section of the Modbus Explorer. You can then perform reads and writes. For information about doing reads, see Read Coils, Inputs, and Registers in the Modbus Explorer. For information about doing writes, see Write to Coils and Holding Registers in the Modbus Explorer.
Related Topics
The Modbus Explorer App lets you read and write data to any Modbus® device without writing MATLAB® code. With this app you can configure Modbus communication, read and write to Modbus registers, view live plots of register data, and automatically generate a MATLAB live script. The app supports communication over Modbus TCP/IP and Modbus Serial (RTU). Using interactive panels, you can set the baud rate of the communication, define the word and byte order, and set the timeout. You can add coils, input registers, and holding registers. You can save your configuration for future use, eliminating the need to set up the device each time you open MATLAB. The app automatically reads the register data and provides live plots. You can also interactively write data to registers from the app.
We'll demonstrate how to use the app to set up Modbus communication with a Click Koyo Programmable Logic Controller (PLC). The controller is programmed with two holding registers and 3 coils/switches. The holding registers are set up as counters. We'll show how to use the app to change the switch values, which will turn the counters on and off. The effect of our changes can be easily viewed in the live plots, which display the values stored in the counter registers.
Modbus Ip Explorer For Os X Download
At the end of the demonstration, we'll show how to automatically generate a MATLAB live script, which can be used as reference for building test programs that require Modbus connectivity.