Basic Item Properties

All items have a set of basic properties, these are:

Standard

NameDescriptionIDFlags
Value

The current value of the item.

2NormalPage
Quality

Item quality - this tells you whether an item currently has a good or bad quality. It might be bad, for example, because it isn't connected or is set to the wrong type.

3ReadOnly
Time

The date and time when this item was last updated.

4ReadOnly
Rights

Item access rights - this property may be "read", or "read write". This means that the property may only be read from, or also can be written to. For OPC items, this written value will be passed on to the external items this item comes from.

5ReadOnly

See also

Predefined Item Properties and OPC DA Properties