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More automation with Logo! and the KNX building system bus


SPS IPC Drives 2015, Hall 11

  • The latest Logo! 8 logic module series can be integrated in KNX installations
  • The Logo! communication module CMK2000 connects Logo! 8 to KNX
  • For automation solutions from lighting to access control

The Logo! communications module CMK2000 enables the latest Logo! 8 logic module series from Siemens to be integrated into the KNX building system bus. Logo! 8 is designed for smaller automation solutions.

It can now be used in combination with the new communication module for building automation tasks, such as surveillance, access control, air-conditioning, lighting, shading and watering through to pump control. The Logo! KNX module CMK2000 communicates via Ethernet with Logo! 8.

It transmits sensor data from KNX bus nodes to the logic module, where they are combined with logic functions. Logo! control commands are transmitted to KNX actuators via the communication module. 50 KNX communication objects can be configured, and linked in the Logo! program with counters, setpoints, and parameters to create automation solutions.

Logo! 8 also makes its own functionality available to the KNX nodes via the new Logo! CMK2000 communication module. There are 24 digital inputs, 20 digital outputs as well as 8 analog inputs and outputs in the maximum hardware configuration. Logo! 8 also enables the date and time to be synchronized for the nodes in the KNX system.

For further information, please see

Siemens AG (Berlin and Munich) is a global technology powerhouse that has stood for engineering excellence, innovation, quality, reliability and internationality for more than 165 years. The company is active in more than 200 countries, focusing on the areas of electrification, automation and digitalization. One of the world's largest producers of energy-efficient, resource-saving technologies, Siemens is No. 1 in offshore wind turbine construction, a leading supplier of gas and steam turbines for power generation, a major provider of power transmission solutions and a pioneer in infrastructure solutions as well as automation, drive and software solutions for industry. The company is also a leading provider of medical imaging equipment – such as computed tomography and magnetic resonance imaging systems – and a leader in laboratory diagnostics as well as clinical IT. In fiscal 2014, which ended on September 30, 2014, Siemens generated revenue from continuing operations of €71.9 billion and net income of €5.5 billion. At the end of September 2014, the company had around 343,000 employees worldwide on a continuing basis.

Further information is available on the Internet at

Reference Number: PR2015110051DFEN

Mr. Gerhard Stauß
Digital Factory Division
Siemens AG

Gleiwitzer Str. 555

90475 Nuremberg


Tel: +49 (911) 895-7945


Gerhard Stauß | Siemens Digital Factory

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