Echelon NodeBuilder FX - Manual (Page 161)

NodeBuilder FX User's Guide 147
Name Displays the name of the network variable that will be used in the
LonMaker tool and other network management tools. The default
name is the functional profile name.
You can change the name of the network variable. The name must be
unique to the device, can contain up to 16 alphanumeric characters,
and must start with a letter. The name cannot contain spaces or the
following characters: \ / : * ? “ < > |.
You can also rename the network variable by right-clicking it in the
Program Interface pane and then clicking Rename on the shortcut
menu.
Array Element
Count The Use Array check box indicates whether the functional block
containing the network variable is an array (selected if the functional
block has been implemented as an array; cleared otherwise). If the
functional block has been implemented as an array, the Size box
displays how many functional blocks are in the array.
This network variable will be implemented in each functional block in
the array. This information can be useful when determining how
many network variables have been created on the device. This field is
read-only.
Changeable Type Enables network integrators to change the type of this network
variable. This lets you create a network variable that can send or
receive different kinds of information, depending on how the device
is used. For example, a generic PID controller device can be
implemented using SNVT_temp_f as the initial type, but selecting
this check box enables a network integrator to change this network
variable type to a range of other types to allow the PID controller to
control, light, pressure, or other types.
This option is only available if the Has Changeable Interface option
was selected in the Standard Program ID Calculator, and if the
functional profile defines no specific type for the network variable.
See Specifying the Program ID in Chapter 5 for more information on
setting this option.
For more information on implementing changeable-type network
variables in your Neuron C code, see Using Changeable-Type
Network Variables in Chapter 7 and the Neuron C Programmer’s
Guide.
NV Type Displays the standard or user-defined type of the network variable.
For implementation-specific network variables, you can change the
network variable type; otherwise, this field is read-only.
FPT Member Name Displays the name of the network variable as specified in the
functional profile. For implementation-specific network variables,
you can change the member name; otherwise, this field is read-only.
FPT Member
Number Displays the member number of the network variable as specified in
the functional profile. For implementation-specific network
variables, you can change the member number; otherwise, this field is
read-only.
Direction Displays the direction of the network variable as specified in the
functional profile (Input or Output). For implementation-specific
network variables, you can change the direction; otherwise, this field
is read-only.