| Attribute name | Attribute value type | Meaning |
|---|
| TIM | Absolute time | Time of the last object value change. |
| LIM | Integer | Value limit state [0-InLimit, 1-VL_Limit, 2-L_Limit, 3-H_Limit, 4-VH_Limit, 5-LimitsProblem]. Depending on the object value in relation to the defined limits, the attribute gains these values:- 0 - object value is both greater/equal with LL and less/equal to HL (LL<=value<=HL)
- 1 - object values is less than VLL (value<VLL)
- 2 - object value is both greater/equal with VLL and less than LL (VLL<=value<LL)
- 3 - object value is both greater than HL and less/equal with VHL (HL<value<=VHL)
- 4 - object value is greater than VHL (VHL<value)
- 5 - violation of the condition: VLL<LL<HL<VHL or values defining the limits are not defined
|
| Boolean | Value validity (TRUE - valid value, FALSE - invalid value). |
| Boolean | Indication of an active process alarm of the given object (the object has an active process alarm - TRUE, if not - FALSE). |
| Boolean | Acknowledgment indication of the active process alarm of the given object (the active alarm is not acknowledged, i.e. it hasn't been acknowledged by an operator - TRUE or it is acknowledged, i.e. it was acknowledged by an operator - FALSE). |
| Absolute time | Time of process alarm value assignment. |
| Integer | Process alarm type. Depending on the evaluation of process alarms defined for the given object, the attribute gains the following values:- 0 - PA_NoAlarm
- 1 - PA_ToOn
- 2 - PA_ToOff
- 3 - PA_On
- 4 - PA_Off
- 5 - PA_Err
- 6 - PA_Oscillate
- 7 - PA_ErrCmdOn
- 8 - PA_ErrCmdOff
- 9 - PA_SwToTrans
- 10 - PA_SwToOff
- 11 - PA_SwToOn
- 12 - PA_SwToErr
- 13 - PA_SwTrans
- 14 - PA_SwOff
- 15 - PA_SwOn
- 16 - PA_SwErr
- 17 - PA_ErrZalCmdOff
- 18 - PA_HL
- 19 - PA_VHL
- 20 - PA_LL
- 21 - PA_VLL
- 22 - PA_ToHL
- 23 - PA_ToVHL
- 24 - PA_ToLL
- 25 - PA_ToVLL
- 26 - PA_ErrWriteCmd
- 27 - PA_Change
The meaning of individual process alarms is described in the topic Configuration of system texts - Process alarms. |
| WEA | Boolean | Indication of a weak (suspicious) object value. A weak value is a value, that is not valid in the system, because all conditions of its validity are not still met. The object value is a weak one - TRUE, or the object value is not a weak one - FALSE. |
| NAK | Boolean | Acknowledgment indication of the last object value change. Object value change is not acknowledged - TRUE if it is - FALSE. |
| TRA | Boolean | Transient state indication of the object value. A transient state occurs, when the command to set a value was executed, but the backward reading did not verify the setting of value. The object value is in Transient state - TRUE, if not - FALSE. |
| DEF | Boolean | Default state indication of the object value. Default state occurs, when an I/O tag value gained by the communication process D2000 KOM is replaced by another value - a control object value, or it is set manually by an operator in process D2000 HI. The object value is in Default state - TRUE, if not - FALSE. |
| MAN | Boolean | Manual state indication of the object value. The manual state is active if the object value can be controlled (i.e. providing that a user has sufficient access rights or ESL script). A manual attribute may be set only for values of objects Remote tag, I/O tag, User variable, Structure variable item. |
| FLX | Integer | All attributes. Integer number, individual flags in the order FLA FLB FLC ... FLP are assigned to its binary representation. For example, the value of 1 is corresponding the situation, when the value of the flag A is TRUE and the values of all other flags are FALSE. |
| FLA .. FLP | Boolean | A particular flag value of an object value [FLFlagName]. |
| DIM | Integer | It returns the structure size. It is usable only for values of Structure type. |
| HBJ | Integer | It returns the unique identifier of an object in the D2000 system. Value is HBJ type, free convertible to Int type. |
| CNX | Integer | It returns the index of a structural column. The attribute is applicable to the reference to a structure item: SV.Structure^Int\CNX returns the value 2. |
| CNM | Text | It returns the name of a structural column. The attribute is applicable to the reference to a structure item: SV.Structure^Text\CNM returns the value "Text". |
| CNR | Integer | It returns the count of structural columns. It is usable only for values of Structured variable type and Structure definition type. |
| Boolean | Indication of an active critical alarm of the given object (the object has an active critical alarm - TRUE, if not - FALSE). |
| ROW, COL | Integer | If the attribute is applied to an Object type of item that refers to a item of another structure, the attribute returns the row or column to which the item refers. For example: | Blok kódu |
|---|
| INT _row
SET _locRec[2]^Object AS (HOBJ, 10, 20) DIRECT
_row := _locRec[2]^Object\ROW ; return value is 10
|
SET AS |