k3ne047 / modbus-live-monitor

Python application for real-time monitoring of Modbus devices

Modbus Live Monitor

The Modbus Live Monitor is a Python application designed to facilitate real-time monitoring of Modbus devices. This tool is perfect for developers and engineers working with industrial applications that utilize the Modbus protocol. The application connects to Modbus devices over TCP/IP and provides a graphical user interface to display register values dynamically.

Features

• Connection Setup: Easily configure connection parameters including IP address and port.
• Register Configuration: Specify the start address and the number of Modbus registers to monitor.
• Dynamic Monitoring: Start and stop the monitoring process with a simple click.
• Real-Time Data Display: Values are displayed in a table that updates based on the specified interval.
• Status Updates: View connection status and last update time directly within the GUI.
• User-Friendly Interface: Built using PyQt5, offering a robust and intuitive interface.

Prerequisites

Before you can run Modbus Live Monitor, you need to have Python installed on your system (Python 3.6 or later is recommended). Additionally, the following Python packages are required:

• PyQt5
• pymodbus

These dependencies can be installed using the following command:

pip install -r requirements.txt

Installation

1. Clone this repository:

git clone https://github.com/NNikoGG/modbus-live-monitor.git

2. Navigate to the cloned repository:

cd modbus-live-monitor

3. Install the required packages:

pip install -r requirements.txt

Usage

To run the application, execute the following command in the terminal:

python modbus-live-monitor.py

Ensure you have a Modbus server running. For simulation and testing, you can use software like Modsim or any other Modbus protocol simulation software.

Configuration

Upon launching, you will be prompted to enter:

• IP Address: IP address of the Modbus device or simulation software.
• Port: Communication port (default is 502).
• Start Address: The starting address of the Modbus registers to monitor.
• Number of Addresses: How many consecutive addresses to monitor.
• Update Interval (ms): How often the software updates the displayed values.

GUI