SonNet employs the 802.15.4 wireless standard, and uses the 2.4GHz
ISM band which features a choice of 16 channels and direct sequence
spread spectrum techniques to reduce the effects of interference.
To ensure a robust network, a self-healing tree topology is used, which
eliminates concerns with reception and reliability often associated with
existing ‘point-to-point’ wireless systems.
If a sensor detects a problem with the signal, it will automatically
re-route to find the strongest available alternative path to the
The receiver and
routers can each support a maximum of 16 directly connected 'child'
A router can
support a maximum of 8 battery powered EDs, plus up to 8 routers.
A receiver can have
a maximum of 12 directly connected EDs, while a router can have a
maximum of 8 directly connected EDs. If no EDs are directly
connected a maximum of 16 routers can be directly connected.
There can be a
maximum depth of 8 'layers' of routers in a network and a maximum of
50 nodes per network with the RF-RX series of receivers.
Integration to existing systems is easily achieved by installing
receiver modules into the network and terminating them as standard
analogue inputs. From early 2012 you can also use the new RF-RXS Network
Receiver Modules to integrate through Niagara Ax™ networks, further
reducing controller point count and total system cost.
All SonNet devices use unique network identifiers. Only devices with
the correct network ID will be allowed to join the network. The ID used
by standard system devices is different from the ID used for SSK devices.
SSK devices cannot join a standard system network and vice versa. When a
SonNet system network has been formed, it can be 'locked' to prevent any
unauthorised devices joining, even if they are SonNet devices. The CMS
can be used to authorise extra SonNet system devices if required. All
data transmitted by SonNet devices is encrypted.
Lower installation costs
Easy to install and commission
Time saving installation
Energy saving through better control
Proven 802.15.4 low power network
Self-healing tree topology
Up to 5-year battery life
Simple to integrate analogue receiver modules
Site Survey Kit (SSK)
CMS site software for configuration/monitoring
Complete range of sensor types
Industry-leading quality and support from