IEC_BACNET_READ_RESULT_ITEM (STRUCT)ΒΆ

TYPE IEC_BACNET_READ_RESULT_ITEM : STRUCT

Holds the result of every single property read

The result of every single property reading may be either success (copying the value of a Property), or failure and information about the reason for failure. This data structure, which provides this information, consists of the Property information (Property Identifier and Array index if the property is an array, void if not) and either Property Contents (if the reading was successful), or Error type in the case of failure, and a boolean tag to choose.

InOut:

Name

Type

Comment

propID

IEC_BACNET_PROPERTY_ID

The property identifier

index

IEC_BACNET_SIGNED

The optional property array index

Ihis is used only with array datatypes. For referencing non array datatypes BACNET_VOID_INDEX (-1) shall be used.

status

IEC_BACNET_BOOLEAN

If set to True the access has been successful

result

UNION_BACNET_READ_RESULT_ITEM

Holds the structures to store the error or value information read