List of all BACnet Properties in Native Operation • 289
File_Size
WAGO-I/O-SYSTEM 750
BACnet/IP Controller
6.29 File_Size
Data Type
Unsigned
Objects
File
Description
This property, of type Unsigned, indicates the size of the file
data in octets. If the size of the file can be changed by writ-
ing to the file, and File_Access_Method is
STREAM_ACCESS, then this property shall be writable.
Writing to the File_Size property with a value less than the
current size of the file truncates the file at the specified posi-
tion. Writing a File_Size of 0 shall delete all of the file data
but not the File object itself. Writing to the File_Size prop-
erty with a value greater than the current size of the file ex-
pands the size of the file, but the value of the new octets of
the file are determined locally.
6.30 File_Type
Data Type
CharacterString
Objects
File
Description
This property, of type CharacterString, identifies the in-
tended use of this file.
6.31 Firmware_Revision
Data Type
CharacterString
Objects
Device
Description
This property, of type CharacterString, is assigned by the
vendor to represent the level of firmware installed in the
BACnet Device.
6.32 High_Limit
Data Type
REAL
Objects
Analog input, Analog output
Description:
This property, of type REAL, shall specify a limit that the
Present_Value must exceed before an event is generated.
