EngineeringUnit

(PK) EUKey

int NOT NULL

The unique numerical identifier of an engineering unit. This value is automatically generated by the system when the engineering unit is added.

Unit

nvarchar(32) NULL

The unit of measure. Examples are mph, grams, and pounds.

DefaultTagRate

int NULL

The default rate, in milliseconds, at which tags are cyclically stored, based on engineering units. Although the system does not make use of this engineering unit based tag rate, you can reference this value in custom SQL scripts. The value you enter for this tag rate does not affect the default storage rate set for the tag.

Status

tinyint NULL

Automatically updated by the system if a change is made to the engineering unit: 0 = No change; 1 = Insertion; 2 = Modification; 3 = Deletion.

(FK) EUCKey

int NOT NULL

The unique numerical identifier for the catalog unit. Foreign key to the EngineeringUnitCatalog table.

EUChangeVersion

timestamp NOT NULL

For system use. Updated automatically to indicate the date and time of the last update.