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• OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model
  5.6.4 DataVariable
  null values are allowed for the Value Attribute . The Property ValueAsText provides a localized text representation for enumeration values. The Property MaxStringLength indicates the maximum number of bytes ... String or the text field of a LocalizedText value. If a Server does not impose a maximum number of bytes or is not able to determine the maximum number
• OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model
  8.5.2.1 Type Definition
  Definition Two special locales may be used with LocalizedText to support multiple languages and text substitutions. When using the special locales the content of the Text element shall ... JSON encoded object. The JSON Text element should be in the JSON minified form. Special locales shall never be used as a Server's default locale
• OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model
  8.5.2.2 Multiple language locale
  locale The "mul" locale is used to provide multiple languages in the Text element. The JSON object shall include a key "t" which consists ... array of locale and text pairs with the locale being the first element of the pair array. An example which provides 2 languages
• OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model
  8.5.2.3 Substitutable text locale
  Substitutable text locale The "qst" locale is used to provide consumer substitutions of the Text element in a single or in multiple languages. This locale extends ... therefore shall include a key "t" which provides the text that replacements are applied to. The JSON object shall also contain a key "r" which consists
• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  5.11.4.1 Description
  writing of Attributes with the DataType LocalizedText , the Client can add or overwrite the text for a locale by writing the text with the associated LocaleId . Writing a null String ... text for a locale shall delete the String for that locale. Writing a null String for the locale and a non-null String for the text is setting the text
• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  7.13.2 MdnsDiscoveryConfiguration
  null or empty the first element of the serverNames array from RegisteredServer is used ( Text of LocalizedText and truncated to 63 bytes if necessary). serverCapabilities [] String The set of Server
• OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings
  5.4.2.15 LocalizedText
  JSON string. The field is not encoded if it is null or empty. Text The Text portion of LocalizedText values shall be encoded as a JSON string. The field
• OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings
  H.6 LocalizedText
  Locale The Locale portion of LocalizedText values shall be encoded as a JSON string Text The Text portion of LocalizedText values shall be encoded as a JSON string ... NonReversibleEncoding, LocalizedText value shall be encoded as a JSON string containing the Text component. Decoders that support the NonReversibleEncoding use the JSON datatype to detect which encoding is used