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LNS Programmer's Guide

191

to the value of the network variable, without creating a monitor point to represent the

network variable.

This chapter describes the LNS features you can use to perform these monitor and

control operations. Table 9.1 describes each section included in this chapter. Echelon

recommends that you review the entire chapter before developing your application, so

that you are aware of all the monitor and control capabilities LNS provides.

Table 9.1 Monitor and Control

Section Description

Temporary and Permanent

Monitor Sets

This section describes the major differences

between temporary and permanent monitor sets.

Creating Monitor Sets

This section describes how to create a temporary or

permanent monitor set.

Managing Monitor Sets

This section describes the initial steps you need to

take to use a monitor set for monitor and control

operations after you have initially created it. This

includes the following:

1. Add network variable and message monitor

points for the devices you plan to monitor to the set.

2. Define the monitoring options for the set.

Opening and Enabling

Monitor Sets

This section describes the steps you need to take to

open a monitor set and enable it for monitor and

control operations.

Using Network Variable

Monitor Points

This section describes several ways you can use

network variable monitor points to monitor and

control a network.

Using Message Monitor Points

This section describes how you can use message

monitor points to monitor and control a network.

Developing Remote Monitor

and Control Applications

This section provides guidelines you will need to

follow when writing remote applications for monitor

and control.

System Management Mode

Considerations

This section describes how the system management

mode impacts the behavior of some monitor and

control operations.

Directly Reading and Writing

Network Variables

At some point, you may want to read or write the

value of single network variable without monitoring

its value beforehand. You can do this by directly

reading or writing to the value of the network

variable through a DataPoint object, without

creating a monitor set. This section describes how

you can do so.

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