ABB i-bus® KNX
GROUP OBJECTS
Function
Group object name
Data point
type
Length
Flags
Window contact (master/slave)
Channel X – Controller
DPT 1.019
1 bit
C
W
This group object is used to receive the window status via the bus (ABB i-bus® KNX). Operating mode
Building Protection
is activated when telegram value 1 is
received. A higher-priority group object can override the operating mode.
Telegram value:
•
1 = Window open
•
0 = Window closed
Note
The controller's setpoint temperature value is influenced by the following factors (listed in descending order of priority):
•
Manual setpoint adjustment
•
Overriding of basic setpoint
•
Overriding of operating mode
•
Fill level alarm
•
Dew point alarm
•
Window contact
•
Control On/Off
•
Presence detector
•
Operating mode
Note
If a slave is used:
This group object must be connected to the corresponding group object of the slave to ensure the functionality of master/slave operation.
Prerequisites for visibility
•
–
Option
Controller channel
–
\
Option
Via group object
Presence detector (master/slave)
Channel X – Controller
DPT 1.018
1 bit
C
W
This group object is used to receive the presence status (person in the room) via the bus (ABB i-bus® KNX).
Operating mode
Comfort
is activated when telegram value 1 is received. The operating mode set via group object Operating mode normal (master) is activated when
telegram value 0 is received. A higher-priority group object can override the operating mode.
Telegram value:
•
1 = Room occupied
•
0 = Room vacant
Note
If a slave is used:
This group object must be connected to the corresponding group object of the slave to ensure the functionality of master/slave operation.
Prerequisites for visibility
•
\ Option
Controller channel
Status Heating
Channel X – Controller
DPT 1.001
1 bit
C R
T
This group object sends the status of the control value Heating on the bus (ABB i-bus® KNX).
Telegram value:
•
1 = Control value Heating > 0
•
0 = Control value Heating = 0
Prerequisites for visibility
•
–
Option
Controller channel
–
Basic-stage heating [controller]
all options except
Deactivated
Status Cooling
Channel X – Controller
DPT 1.001
1 bit
C R
T
This group object sends the status of the control value Cooling on the bus (ABB i-bus® KNX).
Telegram value:
•
1 = Control value Cooling > 0
•
0 = Control value Cooling = 0
Prerequisites for visibility
•
–
Option
Controller channel
–
Basic-stage cooling [controller]
\
all options except
Deactivated
Activate minimum control value (basic
load)
Channel X – Controller
DPT 1.003
1 bit
C
W
This group object is used to receive the activation of the basic load via the bus (ABB i-bus® KNX).
The basic load is defined in the parameter
Min. control value (basic load)
and it can be parametrized individually for each heating and cooling stage if the control value
for the respective control type is output as a percentage.
The basic load is always activated jointly for all stages, but it is applicable only to the active operating mode
Heating
or
Cooling
.
Telegram value:
•
1 = Basic load active
•
0 = Basic load inactive
Prerequisites for visibility
•
\ Option
Controller channel
•
\ Parameter
Minimum control value for basic load > 0
\ Option
Activate via group object
Product manual | EN-US | VC/S 4.x.1 | 2CDC508220D0211 Rev. B
161
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