ABB i-bus
®
KNX
Group objects
FCC/S 1.X.X.1 | 2CDC 508 200 D0211 Rev A 346
No.
Function
Group object name Data Type
Flag
94
Setpoint reached
Channel – Controller 1 bit
DPT 1.002
C, R, T
This group object is always visible in controller mode.
This group object is hidden in actuator mode.
This group object signals on the bus that the set setpoint has been reached in Comfort mode. The function is
started by activating Comfort or Presence mode.
This group object value is 0 as long as the setpoint has not been reached.
The state changes from 1 to 0 when switching over to another operating mode or setting a new setpoint.
Telegram value:
•
0: Comfort setpoint not reached
•
1: Comfort setpoint reached
95
Request On/Off (master)
Channel – Controller 1 bit
DPT 1.001
C, W
This group object is always visible in controller mode.
This group object is hidden in actuator mode.
This group object can switch the controller off. The controller changes to frost/heat protection operating mode
when the value 0 is received. This causes control to switch off (except if the frost/heat protection tempera-
tures have already been reached). All control values are set to 0.
The device activates itself automatically when the frost/heat protection temperatures are reached.
Control can also be reactivated by sending the value 1 on this group object.
Additionally, the slave can use this group object to request the controller (master) to switch of control. Switch-
off and non-switch-off is confirmed via the group object
Confirm On/Off (master)
.
Telegram value:
•
0: Deactivate control (Off)
•
1: Activate control (On)
Note
If a slave is used:
This group object must be connected to the corresponding group object of the slave for master/slave
operation to function.
96
Confirm On/Off (master)
Channel – Controller 1 bit
DPT 1.001
C, W, R
This group object is always visible in controller mode.
This group object is hidden in actuator mode.
The device signals whether control is active (On) or inactive (Off) using this group object.
Telegram value:
•
0: Control active (On)
•
1: Control inactive (Off)
97
Setpoint display (master)
Channel – Controller 2 bytes
DPT 9.002
C, R, T
This group object is always visible in controller mode.
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.
This group object transmits the setpoint to be displayed.