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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