Viconics VST5000 (Classic ZigBee) User Guide Manual de usuario Pagina 10

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VST5000W5000W Wireless Survey Tools User Guide
Best practice ZigBee initial network
start-up procedure
Inordertoavoidcreatingorphandevices/nodes
/controllersandmovingaboutdevices/nodes/
controllers during the initial network start-up, it is
recommended that the same power up sequence initially
used for the survey be used.
Pleasenotethatonceadevice/node/controllerhas
been assigned a ZigBee address and has joined the
active ZigBee network, it will save its assigned ZigBee
address to ash memory and re-use it afterwards even
after a power failure or a network re-start. The ONLY time
device/node/controllerwouldrequireaNEWZigBee
address is if the network is re-started with either a new
PAN ID or a new Channel value. This causes the currently
assigned and saved ZigBee address in ash to be erased
andwillforcethe/node/controllertotrytore-joina
A
A
B
B
A
B
Jace
Coordinator
Proposed
location
Maximum linear distance covered by a single Jace-Coordinator
20%
20%
20%
20%
20%
Fig. 14
5. Leave survey tool B at this location and move survey
tool A towards the other clusters of controllers.
Locate the boundary where the signal strength is
about20%.Thisrepresentsthemaximumradius
of the second hop where connectivity is possible
based on the building environment and partition
construction.
6. Repeattheprocessuntilyouestablishthemaximum
range covered by 5 hops where the last position
recordedrepresentsthesafest”furthestposition
that can be covered by a single Jace – coordinator
(fig. 14).
7. Ifmorethan5devices/nodes/controllersare
present in the same area where readings were taken,
IT IS RECOMMENDED that another Jace coordinator
be used (fig. 15).
Fig. 15
A
A
B
B
A
B
Jace
Coordinator
Proposed
location
20%
20%
20%
20%
20%
Channel 25 Pan ID=20
A
A
B
B
A
B
Jace
Coordinator
Proposed
location
20%
20%
20%
20%
20%
Channel 25 Pan ID=10
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