-Rockwell-PLC-Downtime-Logger-using-Python

📉 Rockwell PLC Downtime Logger using Python

This project lets you monitor a Machine_stopped tag from a Rockwell CompactLogix or ControlLogix PLC and log each downtime event to a CSV file — using Python and the pylogix library.

✅ No SCADA required
✅ CSV-based logging
✅ Works on Python 3.13

---

🚀 Features

• Connects to a Rockwell PLC (CompactLogix/ControlLogix)
• Monitors a BOOL tag (Machine_stopped)
• Logs stop events with timestamp, tag name, and status
• Runs on any Python 3.13 environment (PyCharm, terminal, etc.)

---

📁 File List

File	Description
monitor_log.py	Main script to monitor and log PLC tag
sample_log.csv	Sample output of the logging format
README.md	This file
LICENSE	Open source MIT license

---

🛠️ Requirements

• Python 3.13
• pylogix (pip install pylogix)
• Rockwell PLC on the same network
• BOOL tag named Machine_stopped

---

🔧 Setup

1. Install dependencies:

pip install pylogix