All you need to do is go to “Session > Preferences” and select the color for date time, header, structure, details, checksum, and errors.

Now, in the preferences of the Modbus view, you can set the required configuration.

Hit “Start monitoring” and your Modbus reading session will be activated.

Now, choose which events to capture: Create/Close, Read/Write, Device Control.

If needed, check the “Start monitoring now” and “Start in new window” boxes.

As you are going to read Modbus data, next you need to enable the Modbus view that will display Modbus data received and sent via your system’s COM ports.

In the “New monitoring session” window that will appear, select the viewing modes that will show the serial data captured during the session.

Launch the app, choose “Session > New session” on the menu.

First, download Modbus Protocol Reader and install it on your machine.

Here’s how to easily capture and record Modbus messages with this dedicated app: What’s also important is that Modbus RS485 reader comes with the advanced built-in search and filtering options as well as the Terminal mode that allows executing text commands.

You can enable one, two or all of the visualizers at a time. It’s up to you to decide in which mode the data will be shown. There are four data visualizers that the app offers: Table view, Dump view, Line view, and Terminal view. One of the biggest advantages of this Modbus RTU reader is its ability to show captured data in the convenient and readable format. It helps to interpret or parse the messages received from or sent by your devices via serial interfaces. The program is aimed at developers and testers of serial applications and hardware as well as any other specialists working with Modbus-based equipment and software. Modbus reader app supports all types of serial ports, including RS232, RS422, and RS485. The software allows sniffing the traffic coming in and going out of serial devices communicating within a Modbus network.

Modbus rtu parser