Technical guides
KNX & Panel Knowledge Base
In-depth technical guides for electrical engineers, integrators and project managers. Cable specifications, circuit protection selection, security systems and smart home integration.
Cables & Wiring
KNX TP cable routing rules, power cable sizing, fire-rated cables for E30/E90, LED strip wiring, conduit types and Cat5e/6/7 data infrastructure.
- KNX TP cable — specification and routing rules
- Power cable selection for lighting circuits
- Fire-rated cable E30/E60/E90 explained
- LED strip wiring: cable cross-section and voltage drop
- Conduit types: flexible, rigid, fire-rated
Read all Cables & Wiring guides →
Circuit Protection
Miniature circuit breaker selection, RCD types A/AC/F/B, RCBO vs separate RCD, lightning protection (SPD Type 1/2/3), AFDD arc fault detection.
- How to select the right circuit breaker
- RCD types explained: AC, A, F, B
- RCBO vs RCD+MCB: which to use and when
- Surge protection devices (SPD) Type 1/2/3
- Arc fault detection (AFDD) — EN 62606
Read all Circuit Protection guides →
Security Systems
Ajax Systems Jeweller and Fibra wired protocol, Satel Integra panels, Ajax vs Satel comparison, IP cameras (Hikvision vs Dahua), face recognition AI.
- Ajax Systems — wireless and wired Fibra
- Satel Integra alarm panel guide
- Ajax vs Satel: which to choose
- Hikvision vs Dahua IP cameras
- Face recognition systems for access control
Read all Security Systems guides →
Wireless Protocols
Zigbee 3.0 vs Z-Wave vs Thread comparison, Ajax Jeweller RF protocol, range, battery life and interference in building automation.
- Zigbee vs Z-Wave vs Thread comparison
- Ajax Jeweller wireless protocol explained
- Wireless range and interference in buildings
Read all Wireless Protocols guides →
Smart Home
Home Assistant integration with KNX and Loxone, voice control (Alexa, Google, Apple HomeKit), local vs cloud automation architecture.
- Home Assistant + KNX integration guide
- Voice control: Alexa, Google, Siri with KNX
- Local vs cloud automation — what to choose
Read all Smart Home guides →
HVAC & Heating
Floor heating zone actuators and KNX PI control, fan coil unit integration (2-pipe/4-pipe), heat pump Modbus TCP connection for Daikin, Vaillant and Nibe systems.
- Floor heating + KNX: zones, actuators, pump control
- Fan coil unit (FCU) integration with Zennio KLIC-DD
- Heat pump Modbus integration — Daikin, Vaillant, Nibe
Read all HVAC & Heating guides →
Lighting Control
DALI-2 addressing and group configuration (IEC 62386), lighting scene design for residential and commercial spaces, daylight harvesting with occupancy sensors for EN 15193 compliance.
- DALI-2 fundamentals: addressing, groups and scenes
- Lighting scene design for KNX + DALI projects
- Daylight harvesting with KNX and DALI-2 sensors
Read all Lighting Control guides →
Energy Monitoring
Modbus sub-metering with MID-certified meters, solar PV self-consumption optimisation via Fronius/SMA Modbus, dynamic EV charger load management with Easee Equalizer and OCPP.
- Sub-metering with Modbus energy meters
- Solar PV + KNX self-consumption optimisation
- Smart EV charging + KNX load management
Read all Energy Monitoring guides →
Access Control
2N Helios IP video intercom with KNX relay integration and REST API, Nuki smart lock via Home Assistant local bridge, RFID card readers for KNX door controller logic and audit logging.
- 2N video intercom — SIP, KNX module, face recognition
- Nuki smart lock + KNX via Home Assistant
- KNX RFID card readers and door controller logic
Read all Access Control guides →
Audio & Media
Sonos multi-room audio via Home Assistant local API, audio matrix systems (Nuvo, Russound) vs Sonos for KNX projects, and outdoor speaker zones with weatherproof amplifiers and KNX control.
- Sonos multi-room audio + KNX via Home Assistant
- Audio matrix vs Sonos: when to choose each
- Outdoor audio zones with KNX: weatherproof speakers
Read all Audio & Media guides →
Blinds & Solar Shading
KNX blinds actuator selection and ETS6 commissioning, Raffstore slat angle optimisation with Elsner GPS sun tracking, and motorised window drives for CO2-triggered ventilation and night cooling.
- KNX blinds actuators: selection and ETS6 commissioning
- Raffstore slat angle optimisation with Elsner GPS
- Motorised window drives for KNX ventilation
Read all Blinds & Solar Shading guides →
Emergency Lighting
DALI-2 Part 202/203 emergency ECG fundamentals, EN 50172 monthly and annual testing automation with Helvar Router 950, and panel wiring for dedicated emergency circuits with IEC 60364 separation.
- DALI-2 Part 202/203 emergency fundamentals
- EN 50172 compliance: testing and documentation
- Emergency lighting panel design: bus and battery circuits
Read all Emergency Lighting guides →
KNX Networks
KNX TP topology rules (64 devices/line, 350m max), KNXnet/IP routing with IP interfaces vs IP routers, and IP backbone design with VLAN and QoS for large commercial KNX installations.
- KNX TP topology: lines, areas, backbone and couplers
- KNXnet/IP routing: IP interface vs IP router explained
- IP backbone design: VLANs and QoS for large KNX
Read all KNX Networks guides →
KNX Commissioning
ETS6 project structure and group address export for commissioning, KNX testing tools and bus diagnostics for fault isolation, and panel documentation: as-built drawings, circuit schedules and O&M manuals for IEC 61439 compliance.
- ETS6 project structure: group addresses, topologies and export
- KNX bus diagnostics: monitoring, telegram tracing and fault isolation
- Panel documentation: circuit schedules, as-built drawings and O&M manuals
Read all KNX Commissioning guides →
KNX Sensors
Presence detector selection (PIR vs HF vs dual-tech) for KNX lighting and HVAC control, CO2 and VOC air quality sensors for demand-controlled ventilation, and temperature sensor types and placement for accurate KNX room control.
- KNX presence and motion detectors: PIR, HF and dual-tech
- CO2 and VOC sensors for KNX ventilation control
- KNX temperature sensors: room, outdoor, floor and pipe
Read all KNX Sensors guides →
KNX Logic & Programming
ETS6 logic block configuration (AND, OR, NOT, timer, threshold, gate), scene programming with DPT 18.001 and actuator-stored 8-scene structure, and KNX time switching with astronomical clock, NTP and DST.
- ETS6 logic blocks: AND, OR, timer, threshold and gate functions
- KNX scene programming: DPT 18.001 and scene structure
- KNX time switching: astro clock, NTP and DST automation
Read all KNX Logic & Programming guides →
Fire Safety Integration
EN 54 certified fire alarm panel integration with KNX via dry-contact relay and galvanic isolation, smoke detector wiring for 2-wire and 4-wire loops, and fire door magnetic holder control with EN 1155 and BS 5839 compliance.
- Fire alarm panel integration with KNX: EN 54, dry contacts and relay logic
- Smoke detector wiring: 2-wire and 4-wire loop configurations
- Fire door holders and electromagnetic door release: EN 1155 and KNX control
Read all Fire Safety Integration guides →
Earthing & Grounding
TN-C, TN-S, TN-C-S and TT earthing system selection for residential and commercial panels, PE conductor sizing per IEC 60364, and equipotential bonding for lightning protection zones and KNX EMC compliance.
- Earthing systems: TN-C, TN-S, TN-C-S and TT explained
- PE conductor sizing and protective bonding in low-voltage panels
- Equipotential bonding for lightning zones and KNX EMC
Read all Earthing & Grounding guides →
KNX Visualisation
Gira X1 smart home server configuration and GPA setup for the Gira app, KNX room controller programming (Gira 2096, MDT BE-GT55, Jung F50), and Home Assistant as an open-source KNX dashboard with voice control and mobile app.
- Gira X1: KNX smart home server configuration and app setup
- KNX room controllers: Gira, MDT and Zennio display configuration
- Home Assistant as KNX visualisation: dashboards, voice and mobile
Read all KNX Visualisation guides →
Power Quality
Harmonic distortion (THD) measurement and IEC 61000-3-2 Class C limits for LED drivers, power factor correction capacitor banks and detuning reactors, and EN 50160 voltage quality standards for LV distribution panels.
- Harmonic distortion (THD) in LED and VFD installations
- Power factor correction: capacitor banks and detuning reactors
- EN 50160 voltage quality: limits, measurement and compliance
Read all Power Quality guides →
Building Management Systems
KNX integration with Siemens Desigo CC and Schneider EcoStruxure BMS via OPC UA and BACnet/IP gateways, SCADA dashboards for commercial buildings, and ISO 50001 energy management reporting from KNX metering data.
- KNX to BMS integration: OPC UA, BACnet and KNXnet/IP gateways
- Siemens Desigo CC and KNX: driver configuration and data points
- ISO 50001 energy reporting from KNX Modbus metering
Read all Building Management Systems guides →
Structured Cabling
Cat6A cabling for KNX IP backbone and 10G PoE switches, fibre optic backbone design for multi-building KNX networks, patch panel DIN-rail integration in electrical cabinets, and TIA-568/ISO 11801 compliance for building data infrastructure.
- Cat6A cabling for KNX IP backbone and 10G PoE
- Fibre optic backbone for multi-building KNX networks
- Patch panel integration in electrical and KNX panels
Read all Structured Cabling guides →
Panel Design & Assembly
DIN-rail layout rules for KNX distribution panels (component spacing, busbar sizing, heat dissipation), IEC 61439 panel documentation requirements for Form 1 to Form 4 separation, and cable management — duct sizing, cable ties, and labelling standards for professional KNX panel builds.
- DIN-rail layout and component spacing for KNX panels
- Panel heat dissipation and ventilation calculation
- Cable management: ducting, labelling and as-built documentation
Read all Panel Design & Assembly guides →
Gateway Integration
KNX to BACnet/IP gateway (Intesis IN701KNX) for BMS integration, KNX to Modbus RTU/TCP with Weinzierl KNX Modbus Gateway, and KNX OPC UA server with Lingg&Janke KNX Virtual for SCADA integration.
- KNX to BACnet/IP gateway: Intesis IN701KNX and ETS6 configuration
- KNX Modbus gateway: Weinzierl KNXGW-MODBUS and register mapping
- KNX OPC UA server: Lingg&Janke KNX Virtual and SCADA connection
Read all Gateway Integration guides →
Hotel Automation
KNX hotel room controller programming (MDT SCN-RT55, DND/MUR/eco outputs), PMS integration via KNX IP gateway for check-in/check-out lighting and HVAC preconditioning, and card reader wiring for hotel room KNX door controller logic.
- KNX hotel room controller: MDT SCN-RT55 programming and PMS integration
- Hotel PMS to KNX: check-in/out automation via Fidelio and Opera gateways
- Hotel card reader wiring: RFID presence detection and KNX door logic
Read all Hotel Automation guides →
KNX Power Supply
KNX PS640 and PS1280 power supply sizing calculation for large TP installations, buffer module (Gira 2093) for blackout bridging up to 2 hours, and UPS integration in KNX panels for uninterruptible building automation.
- KNX power supply sizing: PS640 vs PS1280 and current budget calculation
- KNX buffer modules: uninterruptible power for safety-critical functions
- UPS integration in KNX panels: battery backup and PELV compliance
Read all KNX Power Supply guides →
Motor Control & VFDs
Variable frequency drive (VFD) Modbus RTU integration with KNX for HVAC fans and pumps, KNX motor actuators for valve, damper and shutter drives, and ABB ACH580 HVAC drive commissioning with WAGO CODESYS Modbus master.
- VFD Modbus RTU integration with KNX: ABB ACH580 and Danfoss FC102
- KNX motor actuators: valve drives, damper actuators and feedback signals
- HVAC fan speed control via KNX and VFD Modbus in commercial buildings
Read all Motor Control & VFDs guides →
Scene Programming
KNX scene controllers and DPT 18.001 scene recall architecture, step-by-step scene programming in ETS6 for lighting and HVAC, and DALI scene programming with Helvar Router and MDT DALI gateway for tunable white and colour control.
- KNX scene controllers: push-button modules, DPT 18.001 and ETS6 scene objects
- KNX scene programming in ETS6: lighting, blinds and HVAC scene configuration
- DALI scene programming: group scenes, tunable white DT8 and colour control DT6
Read all Scene Programming guides →
Solar PV & Energy Integration
Solar PV inverter Modbus integration via Fronius and SMA for real-time yield monitoring in KNX, MID-certified sub-metering with Eastron SDM630 and Carlo Gavazzi for energy reporting, and dynamic EV charger load management with KNX and OCPP.
- Solar PV and KNX: Fronius Symo Modbus integration for self-consumption optimisation
- Energy metering with KNX: Eastron SDM630, Carlo Gavazzi EM340 and MID certification
- EV charging and KNX: Easee Equalizer OCPP, dynamic load management and SG Ready
Read all Solar PV & Energy Integration guides →
Electrical Panel Testing
IEC 61439 panel verification and dielectric testing for switchgear assemblies, RCD and RCBO trip testing procedures in KNX and conventional panels, and insulation resistance and loop impedance testing for installation commissioning sign-off.
- IEC 61439 panel verification: dielectric test, temperature rise, and short-circuit rating
- RCD and RCBO testing in KNX panels: trip current, trip time, and selectivity verification
- Insulation resistance and loop impedance testing for installation commissioning
Read all Electrical Panel Testing guides →
KNX Security (IP Secure & Data Secure)
KNX IP Secure configuration with AES-128 encryption and certificate management for KNXnet/IP routers and tunnelling, KNX Data Secure application-layer encryption for sensitive group addresses, and KNX backbone security design for commercial buildings.
- KNX IP Secure setup: AES-128 encryption, certificates and ETS6 security configuration
- KNX Data Secure: application-layer encryption for sensitive group addresses and actuators
- KNX backbone security: network segmentation, VLAN design, and IP firewall rules
Read all KNX Security (IP Secure & Data Secure) guides →
Heating Systems Integration
Gas boiler and condensing boiler KNX integration via Modbus TCP for setpoint and fault monitoring, heat pump SG Ready and Modbus integration for PV self-consumption optimisation, and underfloor heating zone control with KNX electrothermal actuators and PI room thermostats.
- Gas boiler KNX integration: Viessmann Vitodens and Vaillant ecoTEC Modbus setup
- Heat pump KNX and SG Ready: Vitocal, Aquarea and arotherm plus self-consumption control
- Underfloor heating KNX zone control: electrothermal actuators, manifold wiring and PI control
Read all Heating Systems Integration guides →
Indoor Air Quality and Ventilation
CO2 sensor selection and KNX group address setup for demand-controlled ventilation in offices and schools, KNX demand-controlled ventilation logic with VFD fan speed control per EN 16798-1, and heat recovery ventilation (HRV) Modbus KNX integration with Zehnder ComfoAir Q and Pluggit.
- CO2 sensors and KNX: Elsner, MDT and Theben sensor selection and ETS6 commissioning
- Demand-controlled ventilation with KNX: CO2 logic, VFD fan control and EN 16798-1
- Heat recovery ventilation and KNX: Zehnder ComfoAir Q Modbus integration and bypass control
Read all Indoor Air Quality and Ventilation guides →
CCTV and Video Surveillance Integration
IP camera KNX integration via relay outputs and HTTP APIs — motion alarm to KNX group address, DALI lighting trigger on camera alarm, NVR integration with Home Assistant KNX bridge, and Mobotix/Genetec VMS event forwarding to building automation.
- IP camera KNX integration: relay output wiring, binary input modules and alarm group addresses
- NVR KNX integration: Milestone, Genetec and Synology Surveillance Station event forwarding
- CCTV and DALI: motion-triggered lighting scenes and occupancy-based camera PTZ presets
Read all CCTV and Video Surveillance Integration guides →
AV Systems and Conference Room Integration
KNX integration with professional AV systems — QSC Q-SYS KNX plugin configuration, Biamp Tesira TCP control from KNX, Extron DMP RS-232 switching, HDMI matrix KNX control, and complete conference room AV scene automation.
- QSC Q-SYS KNX plugin: conference room preset recall and KNX volume control
- Biamp Tesira KNX integration: TCP API control, mute GAs and conference scene automation
- HDMI matrix and display control with KNX: RS-232 switching and meeting room AV scenes
Read all AV Systems and Conference Room Integration guides →
EV Charging and Smart Load Management
KNX integration with EV chargers — Easee Home and Charge OCPP 1.6J configuration, Wallbox Pulsar OCPP KNX gateway, EVCC self-consumption charging with Fronius/SMA Modbus, KNX SG Ready coordination, and dynamic load management to prevent grid overload in multi-charger installations.
- Easee and Wallbox EV charger KNX integration: OCPP gateway, charge current control and status GAs
- EVCC self-consumption EV charging: Fronius Modbus, SMA SunSpec and KNX SG Ready coordination
- Dynamic load management for multiple EV chargers: KNX demand monitoring and charge current distribution
Read all EV Charging and Smart Load Management guides →
Solar PV and Battery Storage Integration
KNX integration with solar inverters and battery systems — Victron Cerbo GX Modbus TCP, SMA Sunny Tripower SunSpec registers, Fronius Gen24 BYD battery integration, Pylontech SOC monitoring, and self-consumption optimisation logic for heat pumps and EV chargers.
- Victron Cerbo GX KNX integration: Modbus register map, SOC monitoring and MultiPlus ESS control
- SMA and Fronius battery storage KNX: Gen24 BYD, Sunny Storage and self-consumption priority
- Battery SOC-based KNX automation: load shedding, overnight charging and off-peak tariff logic
Read all Solar PV and Battery Storage Integration guides →
Outdoor and Perimeter Lighting
KNX automation for outdoor and perimeter lighting — dusk-to-dawn photocell control, PIR motion-activated boost scenes, security alarm floodlight triggers, IP66 DALI driver selection for outdoor luminaires, façade wash lighting, and KNX weekly schedules for energy-efficient nighttime lighting.
- Dusk-to-dawn and PIR outdoor lighting with KNX: photocell integration, motion boost and timer logic
- DALI IP66 outdoor drivers: Tridonic BASIC, Helvar iDim selection and weatherproof DALI wiring
- Security alarm floodlight automation with KNX: alarm GA to DALI scene, CCTV coordination and return-to-base
Read all Outdoor and Perimeter Lighting guides →
Smart Energy Metering and M&T
KNX energy sub-metering for BREEAM and building performance — MID-certified meter selection (ABB, Eastron, Carlo Gavazzi), Modbus TCP register maps, KNX group address scheme for kWh/kW/cos-phi, ARISTO BewO M&T dashboard, BREEAM Ene 02 sub-metering zones, and ISO 50001 energy management system integration.
- MID energy meter KNX integration: ABB B24, Eastron SDM630 and Carlo Gavazzi EM270 Modbus TCP
- BREEAM Ene 02 KNX sub-metering: lighting, HVAC, transport zones and M&T report generation
- KNX energy dashboard with ARISTO BewO: kWh trending, peak demand alerts and ISO 50001 KPIs
Read all Smart Energy Metering and M&T guides →
Demand Response and Grid Tariff Optimisation
KNX-based demand response: dynamic electricity tariff integration (Tibber, Nordpool API), SG Ready heat pump load shifting, KNX peak load management to avoid grid demand charges, and Home Energy Management System (HEMS) coordination between PV, battery, EV charger, and controllable loads.
- Tibber and Nordpool dynamic tariff integration with KNX: Python bridge, hourly price GA, and load scheduler
- SG Ready heat pump grid optimisation: KNX binary output states, off-peak pre-heating and peak shedding logic
- KNX peak load management: demand meter monitoring, load priority table, and automatic shedding sequences
Read all Demand Response and Grid Tariff Optimisation guides →
HVAC Ventilation and Air Handling Integration
KNX integration with HRV units, VAV boxes, and AHUs — Systemair SAVE Modbus RTU register maps, TROX TVZ VAV BACnet/IP to KNX via LOYTEC bridge, demand-controlled ventilation with CO2 sensors, and supply air temperature optimisation for energy efficiency.
- Systemair SAVE VTC and VSR HRV integration with KNX via Modbus RTU: fan speed, temperatures, boost mode
- TROX TVZ VAV volume flow control with KNX via BACnet/IP: LOYTEC bridge mapping and zone setpoints
- Demand-controlled ventilation (DCV) with KNX CO2 sensors: Elsner KNX CO2 sensor, ventilation speed table and IAQ logic
Read all HVAC Ventilation and Air Handling Integration guides →
Access Control and KNX Building Integration
Bridging access control systems (Gallagher, Paxton Net2, SALTO, ASSA ABLOY) with KNX building automation — door open event to lighting scene trigger, card reader zone to HVAC occupancy, anti-passback status as KNX presence input, REST API and BACnet/IP bridge patterns, and multi-tenant office access automation.
- Gallagher Command Centre REST API to KNX: OAuth2 authentication, door event webhooks and Node-RED bridge
- Paxton Net2 KNX integration: Net2 OEM SDK, door status to HVAC zone, card reader to scene trigger
- SALTO and ASSA ABLOY online door systems: KNX OSDP protocol bridge and access-event lighting automation
Read all Access Control and KNX Building Integration guides →
Solar Inverter Protocols and KNX Self-Consumption
Protocol-level guide to integrating solar inverters with KNX — SunSpec Modbus register map (AC power, DC power, energy, SOC), port and unit ID differences per brand (SolarEdge port 1502, Huawei port 6607, Fronius port 502, KOSTAL port 1502, Sungrow port 502), PV self-consumption surplus logic, and grid zero-injection control via KNX Modbus write.
- SunSpec Modbus register map deep-dive: AC power, DC input, energy, battery SOC across SolarEdge, Fronius, GoodWe and KOSTAL
- Huawei SUN2000 and FusionSolar Modbus TCP: port 6607, unit ID 0, Smart Dongle setup and KNX integration
- PV self-consumption KNX logic: surplus calculation, EV charger throttling, SG Ready heat pump and battery forced charge sequences
Read all Solar Inverter Protocols and KNX Self-Consumption guides →
Residential Battery Storage and KNX Self-Consumption
KNX integration with residential battery storage — BYD Battery-Box HV SOC access via inverter Modbus, SENEC.Home V3 local JSON API bridge, battery sizing for self-consumption optimisation, SG Ready forced charge during cheap tariff hours, and multi-battery cascade monitoring for large residential installations.
- BYD Battery-Box HV with Fronius GEN24: SOC and power registers via inverter Modbus TCP float32
- SENEC.Home V3 local API to KNX: Python HTTP polling, JSON parsing and Home Assistant bridge
- Residential battery self-consumption sizing: kWh demand, PV generation profiles, and payback with KNX automation
Read all Residential Battery Storage and KNX Self-Consumption guides →
KNX Panel Assembly and Distribution Board Design
Professional KNX panel design guide — DIN rail layout and module count calculation, heat dissipation per device, Rittal TS8/AX enclosure size selection, cable management and segregation (KNX/mains/24VDC), terminal block allocation, IP rating selection for indoor/outdoor panels, and pre-commissioning test checklist.
- KNX DIN rail layout guide: module spacing, cable ducts, heat load calculation and Rittal enclosure selection
- KNX panel heat dissipation: per-device wattage table (actuators, power supplies, gateways) and cooling methods
- KNX panel pre-commissioning checklist: insulation test, group address verification, gateway connectivity and fault simulation
Read all KNX Panel Assembly and Distribution Board Design guides →
KNX Multi-Room Audio Control and Hidden Speaker Installation
KNX-integrated audio systems for smart homes and commercial spaces — Zennio ZAS-AUDIO8B 8-zone amplifier ETS6 configuration, Ekinex audio control modules, Loxone Audio Server vs KNX third-party comparison, and concealed speaker installation techniques for drywall, glass, and wood panel integration.
- Zennio ZAS-AUDIO8B KNX 8-zone audio: ETS6 volume/source/scene configuration and zone wiring guide
- Hidden speaker installation for KNX smart homes: in-wall drywall, glass resonators, wood panel mounting and acoustic back-boxes
- Loxone Audio Server vs KNX audio: topology, codec quality, speaker compatibility and cost comparison for 10-zone villas
Read all KNX Multi-Room Audio Control and Hidden Speaker Installation guides →
Wireless Security Sensors: Satel ABAX2 and Ajax Jeweller for KNX Buildings
868 MHz wireless security sensor integration with KNX — Satel ABAX2 protocol (ACU-280 controller, AMD-201 PIR, ADD-200 door contact, ASD-250 smoke), Ajax Jeweller protocol (Fibra and Jeweller dual path), ABAX2 vs Jeweller technical comparison (range, battery life, encryption, jamming resistance), and integration paths to KNX via ETHM-1 Plus and Ajax Hub Bridge.
- Satel ABAX2 wireless on Integra 128-WRL: ACU-280 setup, device registration, RSSI monitoring and interference avoidance
- Ajax Jeweller protocol deep-dive: two-way 868 MHz, TDMA slots, 2000m range, Fibra wired extension and KNX Hub Bridge integration
- ABAX2 vs Ajax Jeweller: 868 MHz protocol comparison — encryption, battery life, device ecosystem and KNX integration for CEE projects
Read all Wireless Security Sensors: Satel ABAX2 and Ajax Jeweller for KNX Buildings guides →
Ajax Systems
Ajax Jeweller 868 MHz wireless protocol, Fibra wired topology with 2000 m cable runs and 100 devices per line, Hub 2 Plus installation, and REST API integration with KNX and Home Assistant.
- Ajax Fibra: wired security topology with 2000 m cable runs and 100 devices per line
- Ajax API integration: connecting Ajax to KNX, Home Assistant and third-party systems
- Ajax Hub 2 Plus installation: panel mounting, GSM/Ethernet redundancy and zone configuration
Read all Ajax Systems guides →
CAN / CANopen
CAN bus physical layer (ISO 11898-2), differential signalling, CANopen object dictionary (CiA 301/417/419) for HVAC and building automation, and Ixxat gateway for chiller integration.
- CAN bus fundamentals: physical layer, frame structure and error detection
- CANopen in building automation: object dictionary, PDO, SDO and CiA 417/419 profiles
- CANopen HVAC chiller integration: Carrier, York, Daikin via Ixxat gateway
Read all CAN / CANopen guides →
EnOcean
Battery-free energy harvesting sensors (868 MHz), EEP profiles (A5/D5/F6), EnOcean to KNX gateway commissioning with Weinzierl KNX ENO 634 and MDT SCN-ENC02.
- EnOcean energy harvesting sensors: operating principle, range and installation
- EnOcean to KNX gateway: commissioning the EnOcean KNX Gateway for wireless sensors
- EnOcean Equipment Profiles (EEP): understanding A5, D5, F6 profile families
Read all EnOcean guides →
Matter & Thread
CSA Matter 1.3 protocol with multi-admin fabric architecture, Thread IEEE 802.15.4 mesh commissioning with OTBR, and Matter bridge to existing KNX installations.
- Matter 1.3 protocol overview: architecture, device types and commissioning flow
- Thread network commissioning: Border Router, OTBR and mesh topology design
- Matter bridge to KNX: integrating Matter devices into an existing KNX installation
Read all Matter & Thread guides →
ONVIF
ONVIF Profiles S/T/G/M/C, WS-Discovery, H.264/H.265 streaming, camera event triggers for KNX automation, and VMS integration with Milestone XProtect and Genetec.
- ONVIF Profiles: S, T, G, M, C — what each profile covers and which to specify
- ONVIF to KNX integration: triggering automation from camera events
- ONVIF camera setup in VMS: Milestone, Genetec, Axis Camera Station and iVMS
Read all ONVIF guides →
OPC UA
IEC 62541 OPC UA information model, session security with X.509 certificates, BMS integration with DESIGO CC and TwinCAT, and Kepware BACnet/Modbus to OPC UA protocol gateway.
- OPC UA architecture: information model, security, sessions and transport
- OPC UA in building automation: BMS integration, data logging and KPIs
- OPC UA to BACnet and Modbus gateway: protocol translation for BMS integration
Read all OPC UA guides →
Power Backup
UPS topology selection (IEC 62040-3, DIN rail), generator ATS design with dual-contactor interlock, and KNX power backup supervision with ETS6 logic for emergency lighting and load shedding.
- UPS selection for electrical panels: IEC 62040, sizing and installation in DIN rail enclosures
- Generator ATS integration: automatic transfer switch design and KNX supervision
- KNX power backup supervision: monitoring UPS, generator and battery state in ETS6
Read all Power Backup guides →
Protocol Comparison
Head-to-head technical comparisons: KNX vs BACnet for commercial buildings, KNX vs Loxone for residential, and KNX vs Wirenboard for industrial and hybrid automation projects.
- KNX vs BACnet: which protocol for commercial buildings?
- KNX vs Loxone: open standard vs proprietary smart home system
- KNX vs Wirenboard: European standard vs open-source Linux controller
Read all Protocol Comparison guides →
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