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Scope: Core (OPC-10000-*) All specs

7 result(s) for Float

OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model

12.2.9.4 Float

Float The representation in the AddressSpace of the Float DataType is defined in Table 176 . Table 176 - Float definition Attributes Value BrowseName Float IsAbstract FALSE References NodeClass BrowseName DataType TypeDefinition
OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

5.6.2 Variable NodeClass

dimension array of floats with a maximum array length of 10, set DataType = Float , ValueRank = 1, ArrayDimensions = [10]. If the array length has no fixed upper limit, then set ArrayDimensions
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

7.7.3 FilterOperator

value are restricted to the DataTypes Byte , Int16 , Int32 , Int64 , SByte , UInt16 , UInt32 , UInt64 , Float , Double and DateTime . When testing for equality, a Server shall treat null and empty arrays ... Conversion rules Target Type (To) Source Type (From) Boolean Byte ByteString DateTime Double ExpandedNodeId Float Guid Int16 Int32 Int64 NodeId SByte StatusCode String LocalizedText QualifiedName UInt16 UInt32 UInt64 XmlElement Boolean
OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings

5.2.2.3 Floating-Point

Floating-Point Name Width (bits) Fraction Exponent Sign Float 32 0-22 23-30 31 Double 64 0-51 52-62 63 In addition, the order of bytes ... endian). Figure 3 illustrates how the value -6.5 (Hex: C0D00000) is encoded as a Float . The floating-point type supports positive and negative infinity and not-a-number
OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings

5.4.2.4 Floating-point

Floating-point Normal Float and Double values shall be encoded as a JSON number. Special floating-point numbers such as positive infinity (INF), negative infinity (-INF) and not-a-number
OPC-10000-15 – OPC Unified Architecture - Part 15: Safety

7.2.3.6 Calculation of a CRC signature

longer than one octet (e.g. if it is of DataType UInt16 , Int16 or Float ), it shall be decoded and encoded using little endian order in which the least significant octet
OPC-10000-84 – OPC Unified Architecture - Part 84: UAFX Profiles

5.2.2 UAFX Base

Datatype Support Is capable of supporting Boolean , SByte , Byte , Int16 , UInt16 , Int32 , UInt32 , and Float datatypes. Server UAFX Preconfigured PublishedDataSet If preconfigured PublishedDataSets exist, the Server exposes the PublishSubscribe Object