Echelon LNS DDE Server - Manual (Page 89)

Where each component has the following meaning:
device_name
Required. The name of a device, as defined in the LNS
database.
lm_name Required if the LMCP or LMNVCP topic is used. The
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Object name as defined in the LNS database.
nv_name Required if the DevNVCP or LMNVCP topic is used. The
name of the network variable on the device, as defined in the
LNS database.
array_index Required if the DevNVCP or LMNVCP topic is used and the
network variable is an element in an array of network
variables. array_index is the array index in square
brackets.
cp_name Required. The name of the configuration property, as
defined in the LNS database.
field_name Optional. A field within a structure configuration property.
Fields may be within nested structures. Fields are only
available for structured SCPTs and for user defined types
defined in a user resource file. The field name must be a
parameter contained within a text format definition in the
format file for either a SCPT or a user-defined type. A
master list of SCPTs is contained in the LNS Utilities and
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Reference help file included with the LNS DDE
Server. For user-defined structured data types, the field
names are as defined a user resource file. For more
information, see Appendix A, LNS DDE Server Resource
Files. The field cannot be a union.
parameters Optional. Multiple parameters can be specified. For each
parameter, zero or more spaces can separate the parameter
and its argument.
The parameter options are:
[index]
For a configuration property table, accesses elements of an
array where index is a number between 0 and 999.
-i nnnnn
Controls the rate at which a configuration property value is
checked for updates in the data base. This is specified in
tenths of a second, where nnnnn is a number between 1 and
32000. The default is the setting specified for the network in
the Network Configuration dialog.
LNS DDE Server User's Guide 6-3