Siemens SIMATIC PN/BACnet LINK User Manual

Functions
4.1 BACnet objects
PN/BACnet LINK
Operating Instructions, 10/2017, A5E39895543-AA
25
4.1.2.4
Analog input
The PN/BACnet LINK supports the object type "Analog input" as server. BACnet objects of
the type "Analog input" are inputs on the BACnet side. They are written from the S7 side.
Analog input properties
The following table shows which properties are supported for this object type of the
PN/BACnet LINK and from which source the associated values are filled.
Property
Data source
Value
Access
Object_Identifier
Configuration
R
Object_Name
Configuration
R
Object_Type
Fixed
always "0"
R
Present_Value Dynamic R(W)
Status_Flags
Dynamic
R
Event_State
Fixed
always NORMAL
R
Out_Of_Service
Dynamic
R/W
Units
Configuration
R
COV_Increment
Configuration
R
Description
Configuration
R
R: Read
W: Write
The "Present_Value" property can only be written when the "Out_of_Service" property has
the value TRUE.
The property "Out_Of_Service" can be read and written from the BACnet side.
All the other properties listed in the table can only be read from the BACnet side.
Note
With a COV increment of 0, the value of "Present_Value" is constantly transmitted even if it
does not change.

Siemens SIMATIC PN/BACnet LINK Specifications

General

Product type designation	SIMATIC PN/BACnet LINK
Supply voltage	24 V DC
Protocols	PROFINET, BACnet
PROFINET interface	1 x RJ45
Operating temperature	-20 ... 60 °C
Certifications	CE, UL, cUL
Data Transfer Rate	10/100 Mbit/s
Protocol	BACnet