Technical data
142 •  BACnet/IP Controller 750-830 
  BACnet Building Controller (B-BC) 
 WAGO-I/O-SYSTEM 750 
BACnet/IP Controller 
Data Sharing-WriteProperty-B (DS-WP-B) 
The B device allows a value to be changed by device A. 
BACnet Service  Requests  Execute 
WriteProperty x 
Data Sharing-WritePropertyMultiple-B (DS-WPM-B) 
The B device allows multiple values to be changed by device A at one time. 
BACnet Service  Requests  Execute 
WritePropertyMultiple x 
BIBB Data Sharing COV-A (DS-COV-A) 
Device A is a user of the COV data from device B. 
BACnet Service  Requests  Execute 
SubscribeCOV x  
ConfirmedCOVNotification x 
UnconfirmedCOVNotification x 
The support of subscriptions with limited lifetime is necessary; the support of 
subscriptions with unlimited lifetime is optional. 
Data Sharing COV-B (DS-COV-B) 
Device B is a provider of COV data for device A. 
BACnet Service  Requests  Execute 
SubscribeCOV    x 
ConfirmedCOVNotification x  
UnconfirmedCOVNotification x  
Devices that comply with DS-COV-B must support at least five simultaneous 
subscriptions. The support of subscriptions with a limited lifetime is neces-
sary; the support of subscriptions with an unlimited lifetime is optional. 










