Data types
The IEC 61131-3 data types are mapped to OPC UA data types in accordance with the PLCopen mapping specification. The following table shows the specified mapping.
PLC | OPC UA |
|---|---|
BOOL | Boolean |
SINT | SByte |
INT | Int16 |
DINT | Int32 |
LINT | Int64 |
USINT | Byte |
UINT | UInt16 |
UDINT | UInt32 |
ULINT | UInt64 |
REAL | Float |
LREAL | Double |
Int64 | |
Int64 | |
String | |
String |
Further Information