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Konzept

Konzept


Produkte: AS-B, Enterprise Central, Enterprise Server, AS-P, Project Configuration Tool
Funktionen: Trends
Produktversion: 3.2, 3.3, 2022
19.01.2022

Trends Overview

arrow1_rotationTrend Log Types arrow1_rotationTrend Log Functions arrow1_rotationTrend Units arrow1_rotationTrend Charts arrow1_rotationTrend Log Lists arrow1_rotationMulti Trend Log Lists arrow1_rotationMove or Copy Trend Logs or Extended Trend Logs arrow1_rotationMass Create

The function of a trend log is to log the variable that it is connected to and store the records.

To be able to store larger amount of records, you connect an extended trend log. The records of the trend log and the extended trend log can be presented numerically in a trend log list or graphically in a trend chart. The records can also be processed by a calculation method before they are presented.

 
action_zoom_plus_stroke Trend overview.
Abbildung: Trend overview.
Hinweis

A trend log that monitors an enumeration records the enumeration value and not the enumeration definition.

Für weitere Informationen siehe Event and Alarm Enumerations .

Für weitere Informationen siehe Trend Log Enumerations .

Hinweis

During the logging process, activity in the server may be temporarily increased. This is because a second polling rate is applied to each variable 30 seconds before the logging time. With multiple logs, the increase in activity can be significant. After 30 seconds, when a value is logged, the polling rate is set to the maximum integer.

Trend Log Types

You use a trend log to collect data and then store the records. A record contains a log value or an event as well as its time stamp and an optional comment. A trend log can log an analog variable, a digital variable, or an integer variable.

Für weitere Informationen siehe Trend Log Types .

Trend Log Functions

​All trend logs store records by using the circular storing principle; you can also connect trends logs to external trend logs with larger storing capacity. For some trend logs you can set up conditions that have to be fulfilled before the trend log starts recording.

Für weitere Informationen siehe Trend Log Functions .

Trend Units

You can define the unit of a trend log when the trend log is created or on a previously created trend log where no unit has been set.

Für weitere Informationen siehe Trend Units .

Trend Charts

​A trend chart displays the records of a trend log or an extended trend log as a series.

Für weitere Informationen siehe Trend Charts .

Trend Log Lists

​The trend log list numerically displays the records of a trend log or an extended trend log. The records of the trend log can be processed by a calculation method before they are presented in the trend log list.

Für weitere Informationen siehe Trend Log Lists .

Multi Trend Log Lists

You configure a multi trend log list to display values from multiple trend logs in one list. You compare values in a multi trend log list when you commission or validate an EcoStruxure BMS.

Für weitere Informationen siehe Multi Trend Log Lists .

Move or Copy Trend Logs or Extended Trend Logs

When moving or copying a trend log or extended trend log to another EcoStruxure BMS server, only the configuration of the trend log is transferred. If you copy the trend log to another EcoStruxure BMS server, all recorded values are preserved in the original trend log while the copy on the other EcoStruxure BMS server does not contain any recorded values. If you move the trend log to another EcoStruxure BMS server, the configuration of the trend log is preserved but the record values are lost.

Hinweis

Loss of data

Recorded values are lost when you move or copy a trend log to another EcoStruxure BMS server.

Failure to follow these instructions can result in loss of data.

Mass Create

You use the mass create feature to create multiple identical alarms or trend logs for different objects, instead of creating the alarms or trend logs one by one. From trend logs, you can mass create extended trend logs.

Für weitere Informationen siehe Mass Create .

  • Function Overview
  • Trend Log Types
  • Event and Alarm Enumerations
  • Trend Log Enumerations
  • Trend Log Functions
  • Trend Units
  • Trend Log Lists
  • Trend Charts
  • Multi Trend Log Lists
  • Mass Create