Properties

A Register Data Interpreter Item main purpose is iterpret data read out bu registerreadoutItems

The Register Data Interpreter item type has the following properties:

NameDescriptionIDFlags
Enable

Set to true to enable the item in the configuration.

10005Persisted
ItemHandle

The handle of the item - this is the unique ID for the item. This property is often hidden.

10001ExpertPage
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
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
Scale

The linear transformation multiplier to use when calculating the item value. (Value = RawValue * Scale + Offset)

11120Persisted
Second Value Length

The length of the second data field in the register.

13040Persisted
Second value start index

Zero-based index indicating where to start interpreting the read second data.

13030Persisted
Time

The date and time when this item was last updated.

4ReadOnly
Type

The item canonical data type - the specific type of this item. Whether it's an integer, string, date, etc.

1ReadOnly
Value

The current value of the item.

2NormalPage
Value Arithmetic

The arithmetic used on values from first and second register data. On subtraction, the second value will be subtracted from the first.

13001Persisted, Enumerated
Value Cut Off Type

The cut off type is used on values to cut of positive or negative values.

13005Persisted, Enumerated
Value interpretation type

This property determines how to interpret the data file value:

String: reads the value as a plain string;

BCD (Binary Coded Digital): reads the value as an integer and scales it according to the scale property.

11100Persisted, Enumerated
Value Length

The length of the data field in the register.

13020Persisted
Value start index

A zero-based index indicating where to start interpreting read data.

13010Persisted

See also

Basic Item Properties

Predefined Item Properties

OPC DA Properties