TagTypVal

For an attribute associated with a PI point, get a point's typical value from the point database.

Syntax

TagTypVal(attname)

Arguments

• attname

  The name of an attribute with a PI point data reference, enclosed in single quotes

Returns

The point's typical value. If the point is an integer or real number, a number is returned; if the point's value type is digital, this indicates a digital state

Exceptions

If the point does not exist, returns an error

Example

• TagTypVal('sinusoid')

  [Returns 50]

• TagTypVal('cdm158')

  [Returns 3, a digital state]