17.3 Tag Variable

The tag variable represents the variables or constants related to the tags defined in the database. The tag variables are used as shown below.

TagName:TagVariable

The list of tag variables is as shown below.

Tag Variable

Description

Read/Write

VALUE

Displays the current value of the tag. Operates same as the case when only the tag name is assigned.

R/W

NAME

Displays the name of the tag. (String)

R

DESC

Displays the description of the tag. (String)

R/W

TYPE

Displays the type of the tag. (String)

Types: Group, Analog, Digital, String

R

UNIT

Displays the unit of the analog tag. (String)

R/W

MIN

Displays the internal minimum value of the tag.

R/W

MAX

Displays the internal maximum value of the tag.

R/W

RAWMIN

Displays the site minimum value of the tag.

R/W

RAWMAX

Displays the site maximum value of the tag.

R/W

DEADBAND

Displays the deadband of the analog tag.

R/W

OFFLABEL

Displays the Off Label of the digital tag. (String)

R/W

ONLABEL

Displays the On Label of the digital tag. (String)

R/W

LABEL

Displays the label of the digital tag according to the current state. (String)

R

ALARMTYPE

Displays the assigned alarm type.

R

 

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