WHA-GW-*
Configuration
221981 2011-07
50
Wireless Communication Parameters - Setup
Caution!
Possible loss of connection when changing Network ID
If you change the Network ID parameter of an already operating WirelessHART network,
be aware that the Gateway will store the new network ID. However, the new network ID will
only be applied the next time the network is reformed (please note that reforming the
network can take a long time). When the new network ID becomes active after reforming
the network, the connection to the other WirelessHART devices could get lost if they still
have the old network ID.
After changing the network ID in the Gateway, the new network ID has to be written to each
wireless device in the network using either the wired or the wireless connection. Here, too,
the new network ID will be stored in the device and is applied only the next time the
network is reformed.
Parameter Description Default
Network Tag Identifies the device in a WirelessHART network. Enter up
to 32 characters.
–
Network ID Gateway network ID. Each wireless device needs to store
a network ID to identify the Gateway it is expected to
connect to. Enter up to 5 digits. The network ID may range
from 0 ... 65535.
Press Write Join Information to store the new network ID
to the gateway. Remember to change the network ID of the
other wireless devices in the network, too.
The network has to be reformed for the new network ID to
become active. Reform the network by pressing Reform
Network in the Additional Functions > Reset menu (see
chapter 6.3.1).
1945
Join Key Part
1... 4
The Gateway join key is a common network password.
Each wireless device needs this join key to be allowed to
join the network.
The join key consists of up to 32 hexadecimal characters
(0 ... 9, a ... f). There are four text fields. Enter up to 8
hexadecimal characters into each text field. Each text field
must contain the same number of characters (e.g. 5 each).
Press Write Join Information to store the new join key to
the gateway.
This parameter can only be edited if the security mode is
activated by means of a DIP switch (see Figure 6.4 on
page 67).
The network has to be restarted for the new join key to
become active. Reform the network by pressing Device
Reset in the Additional Functions > Reset menu (see
chapter 6.3.1).
When the Gateway join key is changed, the currently
joined wireless devices will remain connected with the
network. However, no device will be allowed to join unless
it stores the new join key.
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