IECDatatype 
The fields of the IECDatatype DataType are defined in the following table:
| Name | Value | Description |
|---|---|---|
| BOOL | 0 | 1 bit -> true or false. |
| SINT | 1 | Signed short integer (1byte). |
| INT | 2 | Signed integer (2 byte). |
| DINT | 3 | Signed double integer (4 byte). |
| LINT | 4 | Signed long integer (8 byte). |
| USINT | 5 | Unsigned short integer (1 byte). |
| UINT | 6 | Unsigned integer (2 byte). |
| UDINT | 7 | Unsigned double integer (4 byte). |
| ULINT | 8 | Unsigned long integer (8 byte). |
| REAL | 9 | Floating point (4 byte). |
| LREAL | 10 | Long floating point (8 byte). |
| TIME | 11 | Time. |
| DATE | 12 | Calendar date. |
| TimeOfDay | 13 | Clock time. |
| DateAndTime | 14 | Date and time. |
| STRING | 15 | Variable-length single-byte character string. |
| BYTE | 16 | 8 bit. |
| WORD | 17 | 16 bit. |
| DWORD | 18 | 32 bit. |
| LWORD | 19 | 64 bit. |
| WSTRING | 20 | Variable-length double-byte character string. |
The representation of the IECDatatype DataType in the address space is shown in the following table:
| Name | Attribute |
|---|---|
| NodeId | ns=1;i=3007 |
| NamespaceUri | http://opcfoundation.org/UA/FDT/ |
| BrowseName | IECDatatype |
| IsAbstract | False |
| SubtypeOf | Enumeration |
| Categories |
The references from the IECDatatype DataType Node are shown in the following table:
| Reference | NodeClass | BrowseName | DataType | TypeDefinition | ModellingRule |
|---|---|---|---|---|---|
| HasProperty | Variable | EnumValues | EnumValueType[] | PropertyType | Mandatory |