Please ensure Javascript is enabled for purposes of website accessibility
Powered by Zoomin Software. For more details please contactZoomin

AVEVA™ Historian

aaLimitInsert

  • Last UpdatedMar 18, 2021
  • 1 minute read

Inserts a limit.

Syntax

aaLimitInsert TagName, ContextKey, LimitType, Value, LimitNameKey, Priority, Checked, Description

where:

Argument

Description

TagName

The unique name of the tag within the AVEVA Historian system.This value is of data type nvarchar(256), with no default.

ContextKey

The unique numerical identifier for the context. This value is of data type int, with a default of 1.

LimitType

The type of limit; that is, whether it is a rising (up) or falling (down) limit. 0 = Rising; 1 = Falling. This value is of data type int, with a default of 1.

Value

The value that is used as a specific limit for a tag. In theory, a tag can have an infinite number of limits defined. This value is of data type real, with no default.

LimitNameKey

The unique numerical identifier associated with a limit name. This value is of data type int, with no default.

Priority

The priority for the limit. Priorities can range from 1 to over 2 billion, with 1 being the highest priority. This value is of data type int, with a default of 1.

Checked

Used to specify whether a tag imported from InTouch is configured for automatic limit checking. Only checked limits are imported. 0 = Checking disabled; 1 = Checking enabled. This value is of data type bit, with a default of 1.

Description

The description of the limit. This value is of data type nvarchar(50), with a default of NULL.

Permission

Execute permission defaults to the aaPowerUsers and aaAdministrators groups.

In This Topic
Related Links
TitleResults for “How to create a CRG?”Also Available in