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kkelomatic_home/docs/reference/quick-reference.md
nearxos bf7bd56fe7 Initial commit: Home automation docs and CODESYS project 
- Reorganized project: codesys/, docs/codesys|redesign|integration|reference/, scripts/
- CODESYS project and exports in codesys/
- Documentation index in docs/README.md
- Redesign and light naming configuration
- Water boiler control and safety design

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-02-07 21:52:46 +02:00

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Quick Reference Guide

System Overview

  • Control System: CODESYS on Raspberry Pi
  • Automation: Node-RED
  • Message Bus: MQTT (LXC container)
  • Zigbee Bridge: Zigbee2MQTT
  • Dashboard: Home Assistant

Quick Access

Service URLs

  • Home Assistant: [To be filled]
  • Node-RED: [To be filled]
  • Zigbee2MQTT: [To be filled]
  • MQTT Broker: [To be filled]

Important IPs

  • Raspberry Pi (CODESYS): [To be filled]
  • MQTT Broker: [To be filled]

Important Ports

  • MQTT: 1883 (or 8883 for TLS)
  • Node-RED: [To be filled]
  • Home Assistant: [To be filled]

Common Tasks

Restart Services

# MQTT Broker (LXC)
lxc restart [container-name]

# Node-RED
systemctl restart nodered

# Home Assistant
[Command to restart]

# Zigbee2MQTT
[Command to restart]

Check Service Status

# MQTT
mosquitto_sub -h [broker-ip] -t '#' -v

# Node-RED
[Command]

# Home Assistant
[Command]

View Logs

  • Node-RED: [Location]
  • Home Assistant: [Location]
  • Zigbee2MQTT: [Location]
  • MQTT: [Location]

MQTT Topics

Key Topics

  • zigbee2mqtt/[device]/set - Control Zigbee device
  • zigbee2mqtt/[device] - Device state
  • codesys/[variable] - CODESYS variables
  • homeassistant/[entity] - Home Assistant entities

Device Control

Control Light via MQTT

mosquitto_pub -h [broker-ip] -t "zigbee2mqtt/[switch-name]/set" -m '{"state": "ON"}'

Control Relay via CODESYS

[Instructions]

Troubleshooting Quick Fixes

Light Not Responding

  1. Check Zigbee device status in Zigbee2MQTT
  2. Verify MQTT message flow
  3. Check Node-RED flow
  4. Verify CODESYS network variable
  5. Check relay state

MQTT Connection Issues

  1. Verify broker is running
  2. Check network connectivity
  3. Verify credentials
  4. Check firewall rules

CODESYS Not Communicating

  1. Check network variables configuration
  2. Verify Node-RED connection
  3. Check CODESYS runtime status

Emergency Procedures

Manual Override

[How to manually control devices if automation fails]

System Reset

[Procedure for resetting the system]

Status: Template - needs actual values and commands