UNION_BACNET_READ_RESULT_ITEM (UNION)ΒΆ

TYPE UNION_BACNET_READ_RESULT_ITEM : UNION

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

value

IEC_BACNET_PROPERTY_CONTENTS

Holds the value read, it is valid if status has a value of True

error

IEC_BACNET_ERROR_TYPE

Holds the error information on access, it is valid on status False