Table 22 defines the structure of an MDISDigitalOutObjectType. 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 MDISDigitalOutObjectType.

Table 22 – MDISDigitalOutObjectType Definition

Attribute	Value
BrowseName	MDISDigitalOutObjectType
IsAbstract	False
References	Node Class	BrowseName	DataType	TypeDefinition	Other
Subtype of the MDISDigitalInstrumentObjectType
0:HasComponent	Method	WriteState	See 6.4.5		M
ConformanceUnits
MDIS Digital Out Base

WriteState – This Method allows a Client to change the value of State on an instance of MDISDigitalOutObjectType. 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.