LabVIEW OPC UA Toolkit API Reference

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Limit Property

Limit Property

Requires: OPC UA Toolkit

Class: Limit Alarm Properties

The values of the high high limit, high limit, low limit, and low low limit.

Name Description Default Value
High High Limit The value above which LabVIEW generates a high high limit alarm. 80
High Limit The value above which LabVIEW generates a high limit alarm. 60
Low Limit The value above which LabVIEW generates a low limit alarm. 40
Low Low Limit The value above which LabVIEW generates a low low limit alarm. 20

Remarks

The following table lists the characteristics of this property.

Permissions Before Server Starts Read/Write
Permissions After Server Starts Read-only
Data Type

You must provide values for all elements. Otherwise, LabVIEW initializes the elements that do not have input values to 0. The values of the elements must conform with the following requirement:

High High Limit > High Limit > Low Limit > Low Low Limit

Otherwise, LabVIEW reports an error.

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