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:
Name | Description | ID | Flags |
---|---|---|---|
Enable | Set to true to enable the item in the configuration. | 10005 | Persisted |
ItemHandle | The handle of the item - this is the unique ID for the item. This property is often hidden. | 10001 | ExpertPage |
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. | 3 | ReadOnly |
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. | 5 | ReadOnly |
Scale | The linear transformation multiplier to use when calculating the item value. (Value = RawValue * Scale + Offset) | 11120 | Persisted |
Second Value Length | The length of the second data field in the register. | 13040 | Persisted |
Second value start index | Zero-based index indicating where to start interpreting the read second data. | 13030 | Persisted |
Time | The date and time when this item was last updated. | 4 | ReadOnly |
Type | The item canonical data type - the specific type of this item. Whether it's an integer, string, date, etc. | 1 | ReadOnly |
Value | The current value of the item. | 2 | NormalPage |
Value Arithmetic | The arithmetic used on values from first and second register data. On subtraction, the second value will be subtracted from the first. | 13001 | Persisted, Enumerated |
Value Cut Off Type | The cut off type is used on values to cut of positive or negative values. | 13005 | Persisted, 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. | 11100 | Persisted, Enumerated |
Value Length | The length of the data field in the register. | 13020 | Persisted |
Value start index | A zero-based index indicating where to start interpreting read data. | 13010 | Persisted |