Echelon LonBridg Server User Manual
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LonBridge Device Class File
Attribute
Description
Required?
output
For an input network variable, defines the
bytes to be put on the L
ON
W
ORKS
network
for this byte.
For an output network variable, defines the
LonBridge XML value used to set the
device.
Optional
value
Defines the value of the byte, if any.
Optional
Example:
The
ON
W
ORKS
network
for a network variable update to the device.
Table 12 lists the attributes for the
Table 12. Attributes for the
Attribute
Description
Required?
direction
Defines whether the network variable is an
input NV or an output NV. This attribute
is device-centric.
Required
index
Correlates the network variable index on
the device with the network variable
defined in the class file.
Required
size
Defines the size of the network variable
update.
Example: To turn on a SNVT_switch
network variable, you send a two byte
message (one byte represents the
brightness and the other byte represents
the state). The size attribute for this NV is
2.
Optional