6.3.4 MDISDiscreteOutObjectType Definition

Table 10 defines the structure of an MDISDiscreteOutObjectType. Any vendor specified properties that have been implemented within a project should be documented within a similar format and supplied to the DCS vendor. The addition of vendor specific properties will result in a subtype of the MDISDiscreteOutObjectType.

Table 10 – MDISDiscreteOutObjectType Definition
Attribute Value
BrowseNameMDISDiscreteOutObjectType
IsAbstractFalse
References Node Class BrowseName DataType TypeDefinition Other
Subtype of the MDISDiscreteInstrumentObjectType (see section 6.1.2)
0:HasComponentMethodWriteValueSee 6.3.5M
ConformanceUnits
MDIS Discrete Out Base

WriteValue – This Method allows a Client to change the value of State on an instance of MDISDiscreteOutObjectType. The Method will return any errors that occurred on setting the value. The Client shall verify that the State actually changed to confirm the update. If the instrument is disabled, an error Bad_InvalidState shall be returned.