CHAR 
. It describes that the type is used as single-byte character.
The representation of the CHAR DataType in the address space is shown in the following table:
| Name | Attribute |
|---|---|
| NodeId | ns=1;i=3011 |
| NamespaceUri | http://PLCopen.org/OpcUa/IEC61131-3/ |
| BrowseName | CHAR |
| IsAbstract | False |
| SubtypeOf | Byte |
| Categories |