The table shows the OPC UA data types supported by DeltaV OPC UA.
|
Supported data type |
Notes |
|---|---|
|
Boolean |
0=FALSE, 1=TRUE DeltaV OPC UA treats Boolean data types as Int32 parameters where all values are resolved to either 1 or 0 rather than True or False. |
|
Sbyte Byte Int16 Unit16 Int32 UInt32 Float |
8-bit signed integer, 16-bit signed integer, and 32-bit signed integer are treated as Int32 data types: 8-bit unsigned integer, 16-bit unsigned integer, 32-bit unsigned integer, and 32-bit unsigned integer with status are treated as UInt32 data types. 64-bit is not supported. This includes Double, Int64, UInt64, and TimeStamp. Float values follow the IEEE 754-1985 Standard. A Float value can have any numeric data type. |
|
String |
DeltaV OPC UA allows the reading of strings. Writing strings is not supported. EIOC and workstation OPC UA clients support a maximum of 10 string signal inputs (reads) per LDT. |