General Information About The Homematic System; General Information About Installation/The Bus System - HomeMatic RS485 Installationsanleitung

4 General information about the
HomeMatic system
This device is part of the HomeMatic home control
system. For additional connection information,
please refer to the HomeMatic system manual.
You can find the latest versions of all technical
documents and the latest updates at
www.HomeMatic.com.
5 General information about
installation/the bus system
5.1 General information about installation
The connections of the HMW components can
basically be divided into two groups: the load side
and the control side (24 V power supply, pushbutton
inputs, RS485 bus).
Due to its function, the surge protector only features
the control side.
On the control side, however, only non-hazardous
safety extra-low voltages are used. Since there is
electrical isolation between the load and control
sides in the module, no mains power capable wires
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