Echelon SmartServer 2.2 Manual de usuario descargar pdf (Pagina 336)

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SmartServer 2.2 User’s Guide 337

2. Select one of the following binary comparison functions: equals (==), is not equal to (=/=), greater

than (>), greater than or equal to (>=), less than (<), and less than or equal to (<=). When the

selected comparison function is evaluated to be true, the Alarm Generator triggers an alarm and

updates the status of the input point to AL_ALM_CONDITION. For example, if you select the

equals comparison function (==), the Alarm Generator triggers an alarm when it determines that

the value of the input point is equal to the value of the compare point.

3. Configure the following alarm properties:

Warning/Alarm Set

Delay

Enter the period of time (in seconds) that the alarm condition must exist to

generate an alarm.

Warning/Alarm

Clear Delay

Enter the period of time (in seconds) that the normal condition must exist to

clear an alarm.

Poll Rate

Enter how frequently (in seconds) the Alarm Generator polls the

SmartServer’s internal data server for the values of the selected input point

and the compare point (if a data point). You must enter a non-zero value;

otherwise polling is disabled.

Poll Delay After

Power On

Enter the period of time (in seconds) that the Alarm Generator waits after it

has been reset before polling the input point and the compare point (if a data

point).

Alarm Inhibit Time

After Power On

Enter the period of time (in seconds) that the Alarm Generator waits after it

has been reset before triggering alarms.

Using an Analog Comparison Function

To use an analog function for comparing the input point to the compare point, follow these steps:

1. In the Alarm box, click Analog, and then click the Analog icon. The Configure: Analog Web

page opens.

2. Enable and set offset limits used to trigger the following alarms:

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Echelon SmartServer 2.2 Manual de usuario Pagina 336

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