KNX Development Header

KNX System Components

The following certified system components are available in the market:

Communication medium / Model Number Description Company

Analog Transceivers for Twisted Pair 

Analog Transceivers represent certified implementations for the physical layer of the KNX communication protocol.

TP
E981.03

KNX/EIB Bit Transceiver by Pin Configuration. Setting and Diagnostic through SPI.  One DCDC for 3.3 or 5V up to 70mA. And a LDO for 20V up to 20 mA.

ELMOS

TP
E981.23

KNX/EIB Bit Transceiver by Pin Configuration. With Pin configurable Current and Current Slope. One DCDC for 3.3 or 5V up to 100mA. And a LDO for 20V up to 20 mA.

ELMOS

TP
E981.33

KNX/EIB Bit Transceiver with Pin configurable Current and Current Slope. One DCDC for 3.3 or 5V up to 100mA. And a LDO for 20V up to 20 mA.

ELMOS

TP
NCN5110

NCN5110 performs the physical transmission over the KNX twisted pair but requires a separate MCU to cover the MAC layer.  Includes two DC-DC converters and one LDO capable up to 5 to 40mA bus current consumption.

ON Semiconductor

TP
NCN5120

NCN5120 is a complete receiver-transmitter integrated circuit that includes the PHY and MAC for use in KNX twisted pair networks, supporting the connection of actuators, sensors, microcontrollers, switches and other applications in a building network.  Safe coupling/decoupling to/from the bus allows for the use of two DC-DCs and an LDO to power the device and other external devices up to 20mA.

ON Semiconductor

TP
NCN5121

NCN5121 is similar to the NCN5120 but includes a wider temperature range (-40 to 125°C), bus current limit and higher efficiency in the DC-DC converters.  Total bus current is limited to 20mA.

ON Semiconductor

TP
NCN5130

The NCN5130 is the top of the line KNX device from ON Semiconductor.  It includes all the benefits of the NCN5121 but also extends the total bus current to 40mA.

ON Semiconductor

TP
FZE 1066

The FZE1066 transceiver offers a bit-interface between the KNX bus and the application microcontroller. It is designed according the KNX specification so that development using the FZE1066 can be easily certified. Package: SOP 20 Available current for bus powered devices: 30 mA @ 5 V & 5 mA @ 20 V

SIEMENS (Distributed by Opternus)

TP
KAIphys

KAIphys is a license based schematic developed by TAPKO KAIphys is the first available KNX interface based on standard components. For KNX members only. - No custom specific ASIC - Maximum performance - High flexibility - High energy for application from the bus. - Most cost effective KNX solutions. - Stream lining hardware design of products - KNX certified.

TAPKO Technologies / GIRA (Distributed by Opternus)

Digital Transceivers for Twisted Pair 

Digital Transceivers represent certified implementations for the physical layer and for (part of) the data link layer of the KNX communication protocol.

TP
E981.03

KNX/EIB Transceiver by Hardware setting. Setting and diagnostic through SPI- or TP-UART compatible Interface. One DCDC for 3.3 or 5V up to 100mA. And a LDO for 20V up to 20 mA.

ELMOS

TP
E981.23

KNX/EIB Transceiver with Pin configurable Current and Current Slope.  Setting and diagnostic through TP-UART compatible Interface. One DCDC for 3.3 or 5V up to 100mA. And a LDO for 20V up to 20 mA.

ELMOS

TP 

TP-UART2 (IC) 

TP-UART2+ (IC)

Next generation of KNX transceiver. Digitally compatible with its predecessor: communication stacks and drivers can be used without modification. Enhanced features including efficient stabilized 3.3 V and 5 V power supply with 30 mA max. current (50 mA when 20 V not used), switchable 20 V power supply with limiting function and a smaller QFN 36 package. TP-UART2+ Baud rate 115200 or 19200 baud: TPUART2+ >< Host – Controller. Package: QFN 36.Available current for bus powered devices: 50 mA @ 3.3 V or 5 V, 25 mA @ 20 V

SIEMENS (Distributed by Opternus)

TP 

TP-UART2 (PCB)

The TP-UART 2 evaluation board offers an interface to the KNX bus together with a Bus Transceiver Interface (BTI) for quick development of your applications based on TP-UART 2.

SIEMENS (Distributed by Opternus)

KNX Stack (for Analog/Digital Transceivers) for Twisted Pair, Radio Frequency and  Internet Protocol 

Software implementation of the protocols defined in the KNX specifications, based on the OSI Reference Model.

TP
E-Stack

Freescale HCS08 System Profile 2

Eelectron

TP μPD78F053x BCU 2.5

The Renesas 78F microcontrollers already containing the BCU 2.5 system software compliant and certified to the KNX specification. In combination with the TP-UART, it is the ideal chipset for fast development of KNX applications.                Package: 64-PIN-TQFP (fine pitch)  7x7mm

RENESAS (Distributed by Opternus)

TP
KAIlink-BIT

KAIlink-BIT is the driver designed for the hardware solution KAIphys. Short and long frames supported. Small footprint. 100% bandwidth utilization for sending. High flexibility.

TAPKO Technologies

TP
KAIlink-UART

KAIlink-UART is a reliable driver for digital transceivers in digital mode that runs on almost every MCU. It is fully implemented in ANSI-C and independent of the target platform, with or without RTOS. KAIlink-UART is able to run in several instances. Two or more transceivers can be connected even in different modes. All hardware-dependent parts are isolated in a hardware abstraction layer. KAIlink-UART is fully interrupt-driven and supports the standard frame format as well as the extended frame format. KAIlink-UART also features functions like Link Layer mode, Bus Monitor mode and an adaptable address check.

TAPKO Technologies

RF
KAIlink-RF

KAIlink-RF is fully compatible with KAIstack. Providing KNX RF to KAIstack replaces KAIlink-BIT, KAIlink-UART and KAIlink-IP. KAIlink-RF supports two modes, KNX RF Ready for single frequency communication as well as KNX RF Multi for multi frequency communication. With use of the slow channels from RF Multi a bi-directional mode for battery powered devices is available. The Listen before Talk function suppresses collisions. KAIlink-RF runs on almost every microcontroller, is fully implemented in ANSI-C and independent of any target platform with or without RTOS.

TAPKO Technologies

IP
KAIlink-IP

KAIlink-IP handles KNX devices over KNXnet/IP by medium Ethernet. It integrates the KNX protocol on top of the IP layer as an extension of KAIstack. With KAIlink-IP KNX devices of different KNX subnetworks may use the KNX IP network for Remote configuration, Remote operation and as Fast backbone for KNX installations. KAIlink-IP is implemented in portable ANSI-C. Therefore, it is easy to combine the KNXnet/IP core and the abstraction layer with a C++ environment for convenient use. KAIlink-IP on top of an IP stack provides platform specific interfaces for platform independent use.

TAPKO Technologies

Full KNX Stack  for Twisted Pair, Radio Frequency and  Internet Protocol 

Software implementation of the protocols defined in the KNX specifications, based on the OSI Reference Model.

TP, RF,

System B

The KNX Stack solution from ise offers a certified System B Stack with modular design, allowing access to different physical media, like TP or RF. It is designed to work with 8 bit Microcontrollers with small footprint. It supports encrypted firmware update via ETS or stand-alone tools.

ISE

TP + RF

Media Coupler

Connectivity between TP and RF medium according to KNX specification Coupler Model 2.0

ISE

TP
BIM M13x

The bus interface modules are printed circuit boards consisting of the chipsets (TP-UART + KNX microcontroller) mounted with all necessary components. The BIM M13x series of bus interface modules provides state of the art flash technology; this enables the application designer to utilize modern tools leading to shorter development times. The application interface includes the PEI, Reset, two PWMs and one processor port. The BIM M13x modules contain the BCU 2.5 system software compliant to the KNX specification.

SIEMENS (Distributed by Opternus)

TP, RF, IP KAIstack

KAIstack KNX stack offers all the functionality needed for KNX devices. Due to modularity KAIstack can be configured according to individual needs. Its modular structure and high flexibility delivers the TAPKO stack an unique HW/SW-adaptability. KAIstack supports all KNX configuration modes as well as all KNX device models, can run independently or as a part of an operating system (RTOS, Linux, and PC) and the API enables easy KNX application development with all essential functionalities included. As KAIstack configuration changes do not affect an application or its development process configuration can be changed during application development without restrictions.

TAPKO Technologies

TP, RF, IP KAIstack EVA

KAIstack EVA board is realized in different versions and each is equipped with one of more than 100 MCUs available. For a few of these versions TAPKO offers free downloadable KAIstack demo software. KAIstack´s internal structure separates application-relevant parts, stack-internal parts, media-dependent parts and target/MCU-related parts. For every valid combination of MCU, device model, way of commissioning, and media driver the stack´s core stays the same. Porting to custom hardware platforms can easily be done. In a Microsoft Windows environment KAIstack´s flexibility even allows developers to generate the code for a desired target MCU at any time.

TAPKO Technologies

TP
KNX Stack Classic (System 7)

KNX Stack Classic Development Solution System 7 - System software for KNX devices - Medium: Twisted Pair (TP) - Device model: 0705 - Up to 254 group objects - Up to 30kByte loadable memory - Optional: Loadable application code via ETS - Bus access: KNX UART Transceiver, Bit transceiver on request - API in ‘C’ language - ETS support - Certified by KNX Association - Development Hardware - Documentation & Training

WEINZIERL

TP, RF, IP 

KNX Stack NGS (System B)

KNX Stack NGS Development Solution System B - Designed for 32-bit micros - Core Pack KNX Stack for all media - Medium Access Packs for TP/RF/IP - Device model System B (e.g. 07B0 for TP) - Up to 65535 group objects (theoretical value) - Up to 1MByte loadable memory - Optional: Loadable application code via ETS - Bus access: KNX UART Transceiver, Bit transceiver on request - API in ‘C’ language - Software tools Net’n Node / TraceMon - Including kScript Tool to generate application framework and ETS entry (XML configuration for KNX MT) - Certified by KNX Association - Development Hardware - Documentation & Training

WEINZIERL

Modules for Twisted Pair, Radio Frequency and  Internet Protocol

Modules represent certified implementations of the KNX communication protocol + (part of the) application program.

TP
KNX to SERIAL

Serial interface

Eelectron

TP
RPI – KNX Interface

Raspberry Pi interface

Eelectron

TP
KNX Programmable

Programming the application in C# and VB.Net. Up to 64 KNX communication objects. IP and USB connection with third-party devices. For the latest version of ETS4 or ETS5.

ISE

RF
RF Module

System B stack supporting many different I/O features.

ISE

TP
SIM-KNX

The SIM-KNX is an easy-to-use interface to the KNX. The access to the KNX is realized as a serial ASCII protocol. The SIM-KNX consists of a micro controller with galvanic isolation. It contains the complete certified KNX communication system and conversion to the data formats used on KNX. This module is designed to connect a controller or other devices to the KNX. Due to its design it is also applicable for small and mid-range quantities.

TAPKO Technologies (Distributed by Opternus)

Modules for Twisted Pair, Radio Frequency and  Internet Protocol

Modules represent certified implementations of the KNX communication protocol + (part of the) application program.

TP
KIMaip

KIMaip is an easy-to-use Interface Module for connecting to the KNX. Access to the KIMaip module from your application controller is achieved via I2C bus. KIMaip consists of a microcontroller running the certified KNX communication stack KAIstack and the high performance KNX interface to the KNX bus - KAIphys.  This design enables direct usage of the high power supply from the bus.

TAPKO Technologies (Distributed by Opternus)

TP
USB-Module

TAPKO´s USB Interface Module enables a galvanic isolated bi-directional connection between KNX TP bus system and PC without requirement for an extra application program or a specific USB driver. Any software based on FALCON (ETS, EITT) can communicate with the KNX bus devices connected via flexible common EMI protocol (cEMI). The bus device access can be used for commissioning, addressing, setting of parameters, visualization, protocolling and diagnostic functions. The USB Interface Module supports long telegrams as well as Raw Frames.

TAPKO Technologies

RF
RF-Module

TAPKO´s KNX RF Module containing KAIstack was first standard RF module in KNX history with the ability to configure KNX RF devices by ETS. Without any adaptation applications realized for KNX TP can be used also on the KNX RF medium. Even battery powered RF solutions are possible this way. So, with KAIstack providing all necessary features for support of low-power modes energy sensitive applications (battery powered, energy harvesting) can easily be developed for the RF medium.

TAPKO Technologies

TP
KNX BAOS Module 830

The KNX BAOS Module 830 serves as a serial interface to KNX. BAOS stands for “Bus Access and Object Server”. The module allows the access to the KNX bus on telegram level (KNX Link Layer) as well as on data point level (KNX Application Layer). The connection between application and KNX BAOS Module is established via a UART connection (FT1.2 framing). The module can be used to easily develop KNX devices (e.g. sensor, actuator or gateway) with low investment. It Is also an option to add KNX connectivity to existing devices with limited development effort. For a quick start a generic ETS entry with 1000 group objects is available. Individual ETS entries can be created as well. The KNX BAOS Module 830 is powered via the bus and provides galvanic isolation.

WEINZIERL

TP
KNX BAOS Module 832

As KNX BAOS Module 830 but without galvanic isolation. The Module provides a power output for the application.

WEINZIERL

Modules for Twisted Pair, Radio Frequency and  Internet Protocol

Modules represent certified implementations of the KNX communication protocol + (part of the) application program.

TP
KNX BAOS Module 838 kBerry

The KNX BAOS Module 838 kBerry is an extension board for the Raspberry PI® single-board computer. It can be plugged directly on the Raspberry board and is fully compatible with the KNX BAOS Module 830. A free SDK (Software development kit) for Raspian is available at www.weinzierl.de

WEINZIERL

RF
KNX BAOS Module 840

As KNX BAOS Module 840 provides the proven BAOS architecture now for KNX RF. As the TP version the KNX BAOS Module 840 supports up to 1000 group objects and can be configured using ETS. The BAOS protocol is unchanged. So applications for BAOS TP can be used very easy wireless.

WEINZIERL

TP, RF
KNX BAOS Starter Kit

The new Weinzierl KNX BAOS Starter Kit allows a quick start into KNX development. The development board provides a socket for the BAOS Modules and contains a user programmable micro (Cortex M0+) for the application as well as some connectors, LEDs and buttons for development purpose. 

The KNX BAOS Starter Kit for TP contains: 

  - 1 development board 
 - 1 KNX BAOS 830 module 
 - 1 KNX BAOS 832 module 
 - 1 USB cable A/B (micro) 
 - Development software (via download)

WEINZIERL