Echelon LonWorks Network XML User Manual

Page 37

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L

ON

W

ORKS

Network XML Programmer’s Guide

29

approved functional profile, or by the user (in
the case of a network variable not specified in
those guidelines.

The LonMark Member Number can be specified
when creating a dynamic NV during import;
however, the value cannot be modified on an
existing NV.

Direction

Y

Y

An enumerated value indicating the direction of
the NV. The possible values are as follows:

0

Input

1

Output

2

Bidirectional

You cannot modify this property on existing
NVs.

IsTypeConfigurable

Y N An

enumerated value indicating whether the NV

type can be changed. The possible values are as
follows:

0

False

1

True

TypeSpec/Scope

Y Y An

enumerated value indicating the scope

selector of the NV. The scope selector specifies
the context in which the NV values are
interpreted. The possible values are as follows:

-2 AutoDetermination

-1 Unknown

0

Standard

1

DevClassAnyManf

2

DevClassSubClassAnyManf

3

Manf

4

ManfDevClass

5 ManfDevClassSubClass

6 ManfDevType

TypeSpec/ProgramId

Y

Y

This property is only reported if the scope ID
property has a non-zero value (the NV is
non-standard).

TypeSpec/TypeName

Y

Y

You can modify the type of existing NVs by
specifying a different type in the TypeName
property, provided that the IsTypeConfigurable
property is set to True.

The TypeName must be defined in resource
files for the specified scope and program ID.

Format

Y

Y

Specifies the format used by the network
variable type (SI metric or US customary units,
for example).

IsDynamic

Y N An

enumerated

value indicating whether the NV

is static or dynamic.

0

False (static NV)

1

True (dynamic NV)

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