// Industrial Connectors

KNX TP 2-Wire

KNX (ISO/IEC 14543-3) uses a 2-wire twisted pair carrying both data and 29V DC power for building automation thermostats, lighting, and HVAC.

// Specifications

Standard

ISO/IEC 14543-3 KNX

Physical

2-wire twisted pair

Voltage

29V DC bus power

Data Rate

9600 bps

Use Case

Building automation, smart home

// Pin Reference Table

Pin	Name	Function	Type
1	Bus+	KNX data and power positive	PWR
2	Bus-	KNX data and power negative	GND