Technical data
    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. 










