ABB i-bus FCC/S 1 1 Series Product Manual page 341

Knx fan coil controller
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ABB i-bus
KNX
Group objects
No.
81
This group object is always visible in controller mode.
This group object is hidden in actuator mode.
The group object receives the operating mode to be set as a 1-byte value.
Telegram value:
The group object overrides the room's operating mode. The operating mode set here overrides all other prior-
ities except for the reaction on bus voltage failure.
For example, this group object can override a malfunction on a connected sensor (e.g. faulty window contact)
that would actually cause the operating mode to change.
For the device to function normally and react normally to adjustment by the user, this group object
must be set to the value 0 Automatic/no override.
The group objects and states Override mode, Fill level alarm, Dew point alarm, Window contact,
Request On/Off (Master), Presence detector and Operating mode (listed in decreasing priority) deter-
mine the controller's setpoint in addition to manual setpoint adjustment and basic setpoint adaptation.
If a slave is used:
To indicate the operating mode on a slave, this group object must be connected to the slave's group
object Operating mode overridden (slave).
82
This group object is enabled if the parameter Window status input is set to Via group object in the Application
parameters parameter window.
This group object is hidden in actuator mode.
This group object can receive the window status via KNX.
Telegram value:
This group object changes the device's operating mode to frost/heat protection when the "window open" in-
formation is received.
A higher-priority group object can override the operating mode.
The group objects and states Override mode, Fill level alarm, Dew point alarm, Window contact,
Request On/Off (Master), Presence detector and Operating mode (listed in decreasing priority) deter-
mine the controller's setpoint in addition to manual setpoint adjustment and basic setpoint adaptation.
If a slave is used:
To indicate the operating mode on a slave, the group address associated with this group object must
also be connected to the slave's group object Window contact (slave).
Function
Operating mode override
(master)
0: Automatic/no override
1: Comfort
2: Standby
3: Economy
4: Frost/heat protection
Note
Note
Note
Window contact (master/slave) Channel – Controller 1 bit
0: Window closed
1: Window open
Note
Note
Group object name Data Type
Channel – Controller 1 byte
DPT 20.102
DPT 1.019
FCC/S 1.X.X.1 | 2CDC 508 200 D0211 Rev A 341
Flag
C, W, T, A
C, W

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