Industrial Stacker Watchdog Service

This service monitors an industrial ASRS stacker for mode changes (Auto -> Manual) and sends alerts via Audio, Local Email, or GSM SMS.

Features

• No Internet Required: Works entirely on local network or via offline GSM.
• Multi-Channel Alerts:
  • Audio: Text-to-Speech broadcast on server speakers.
  • Email: Sends to internal SMTP server.
  • SMS: Uses USB GSM Dongle (AT Commands).
• Robust: Auto-restarts on failure (Systemd).

Hardware Requirements

1. Host Machine: Industrial PC (Linux recommended for service stability) or Windows.
2. Network: Connection to Stacker PLC (Modbus TCP).
3. Optional: USB GSM Modem for SMS.

Configuration

Edit config.py to set:

• PLC_IP: IP of your Stacker.
• ENABLE_AUDIO_ALERT = True/False
• ENABLE_GSM_SMS = True/False

Deployment (Linux)

1. Transfer: Copy this entire folder to the industrial PC.

2. Install: Open a terminal in this folder and run:

   chmod +x install.sh
   sudo ./install.sh

   This will install the service to /opt/stacker-watchdog and ensure it runs automatically on boot.

3. Manage:

   • Stop: sudo systemctl stop stacker-watchdog
   • Start: sudo systemctl start stacker-watchdog
   • Logs: tail -f /opt/stacker-watchdog/service.log

Deployment (Windows)

1. Install Python 3.9+.
2. Install dependencies: pip install -r requirements.txt.
3. Use Task Scheduler to run main.py on system startup ("On System Start").