Echelon LNS DDE Server User Manual

Page 89

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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

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