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Functions
4.3 Cyclic data exchange between controller and PN/BACnet LINK
Status and control information of BACnet client
The PN/BACnet LINK cyclically transmits the following status information to the S7
controller:
Table 4- 3
Bit
1 ... 7
0
The S7 controller cyclically transmits the following control information to the PN/BACnet
LINK:
Table 4- 4
Bit
1 ... 7
0
Note
Several seconds can pass after switching the client functionality on or off using the control
byte before the corresponding actions are completed in the PN/BACnet LINK. The time
required for this process depends, among other things, on the size of the configuration and
the response times of the addressed BACnet devices. The PN/BACnet LINK indicates
completion of these actions by updating the corresponding status information in the status
byte.
34
Status of the client functionality (1 byte input address)
Meaning
Value
Not used
--
Current status of the
0
client functionality
1
Control byte for the client functionality in the PN/BACnet LINK (1 byte output address)
Meaning
Value
Not used
--
Control the client func-
0
tionality
1
Remarks
--
--
Client function
The S7 controller can read the current
OFF
status of the Client functionality of the
PN/BACnet LINK via bit 0. The read
Client function
status indicates whether the transmis-
ON
sion of the I/O data between the S7
controller and BACnet is switched on
or off.
Remarks
--
--
Switch off client
The client functionality of the
function
PN/BACnet LINK can be switched on
or off by the S7 controller via bit 0. The
Switch on client
transmission of the I/O data between
function
the S7 controller and BACnet is
switched on or off by this.
Operating Instructions, 10/2017, A5E39895543-AA
PN/BACnet LINK
- Quick Links:
- System Configuration
- Bacnet Objects
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