5
4
PWR OUT connection
to Safera Siro / Siro R sensor unit
2. Connection to Safera System
Connection Hub shall be installed between the Safera Sensor Unit and Power Supply.
CTU connection
to Safera CTU (optional)
PWR IN connection
to Safera power supply
AUX-connection
to an Automation
or Security
System
+3 ... +24 VDC provided by the
automation system
Pull-up recommended to provide
~1mA (absolute max. 10mA)
Logic input of the automation
system
Signal ground of the automation
system
IN
OUT
SAFERA
Example connection of one AUX-output
In this case the home automation system’s logic input is pulled to ground potential
when the AUX-output signal is active. Note that the maximum current pass in the
optocoupler is 10 mA!
The above diagram illustrates the connection of one AUX channel.
