ABB-free@home®

ADVANTAGES

41

Wired communication

ABBfree@ home- Touch

System Access Point

Power supply

Sensor

Sensor/actuator unit

Actuator

230 V

PS

24 V

PS

230 V cable

Two-wire bus cable

Sensor/actuator unit

Sensor

Window contact

Valve drive with battery

Tablet

Smartphone

Wireless communication

Central distribution board with rail-mounting actuator The installation of central rail-mounting actuators in the consumer unit makes the installation of the sensors even easier – as only the bus line is located in the flush- mounted box. With this method, the costs for each channel can be reduced.

Sensor/actuator unit for decentralised control All in one. With the sensor/actuator unit, both the sensor and actuator are located in a single device to save space. The basic function of the unit is pre-configured, which makes programming the basic function unnecessary – but possible if required. The 230-volt line is wired as usual.

Sensor/actuator unit The sensor/actuator unit combines a control element and, for ex- ample, a switch actuator in the single flush-mounted housing. It is installed in the same way as a flush-mounted switch. The device has already been pre-programmed: this means the light can be switched on directly after installation – without any programming. The sensor/actuator unit can, of course, be freely re-configured via the user interface, just like all other sensors and actuators.

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