ABB i-bus KNX Product Manual page 222

®
ABB i-bus KNX
Group objects
No.
68
This group object is visible in controller mode only if the parameter Heating/cooling changeover is set to Via slave and
via group object in the Application parameters parameter window.
This group object is hidden in actuator mode.
This group object synchronizes between the controller (master) and the slave.
This group object must be connected to the slave's group object of the same name for this purpose.
The group object synchronizes the heating/cooling status between the controller (master) and the slave.
73
This group object is always visible in controller mode.
This group object is hidden in actuator mode.
The group object outputs the heating/cooling type of operation, active/inactive operation, frost and heat alarm, as well as any
malfunction (failure of actual temperature measurement) according to the specification for the RHCC status (Room Heating
Cooling Controller).
The status of the object is sent only after receipt of a valid actual temperature.
74
This group object is always visible in controller mode.
This group object is hidden in actuator mode.
This group object must be connected to the slave's group object of the same name. The group object synchronizes between
the controller (master) and the slave.
The group object sends the actual operating mode, the type of operation heating/cooling, active/inactive operation, frost alarm
and the dew point alarm to the slave.
The group object is used to synchronize the heating/cooling status between the controller (master) and the slave.
The status of the object is sent only after receipt of a valid actual temperature.
75
This group object is always visible in controller mode.
This group object is hidden in actuator mode.
This group object outputs the currently valid HVAC operating mode after evaluation of all priorities and influences.
The group object indicates the current controller operating mode.
The group object sends the current operating mode as a 1-byte value.
Telegram value:
•
1: Comfort
•
2: Standby
•
3: Economy
•
4: Frost/heat protection
220 2CDC508220D0211 Rev. A | VC/S 4.x.1
Object function
Request heating/cooling (master)
Controller RHCC status
Note
Controller HVAC status (master)
Note
Current HVAC operating mode
Name
Channel A – Controller
Channel A – Controller
Channel A – Controller
Channel A – Controller
Data type Flags
1 bit C, W
DPT 1.100
2 bytes C, R, T
DPT 22.101
1 byte C, R, T
DPT 5.001
1 bit C, R, T
DPT 20.102