ABB i-bus
®
KNX
Group objects
FCC/S 1.X.X.1 | 2CDC 508 200 D0211 Rev A 324
8.3
Group objects Fan
No.
Function
Group object name Data Type
Flag
10
Fan ON/OFF status
Channel – Fan
1 bit
DPT 1.001
C, R, T
This group object is always enabled.
The group object value is 1 when the fan control value (speed) is unequal to 0.
11
Status byte fan
Channel – Fan
1 bit
Non DPT
C, R, T
This group object is always enabled.
This group object indicates the current fan status.
•
Bit 0: Fan on
This bit indicates whether the fan is on or off.
–
0: Fan off
–
1: Fan on
•
Bit 1: Output error
The bit indicates whether there is an error at the fan output. This may be a short circuit or overload. This
can be determined only for analog fan outputs. This group object is always 0 for devices with relay fan
output.
–
0: No error
–
1: Error at output
•
Bit 2: Forced operation
Indicates whether forced operation is active or not.
–
0: Forced operation inactive
–
1: Forced operation active
•
Bit 3: Limitation 1
Limitation 1 is active, and this may limit the fan speed.
–
0: Limitation 1 inactive
–
1: Limitation 1 active
•
Bit 4: Limitation 2
Limitation 2 is active, and this may limit the fan speed.
–
0: Limitation 2 inactive
–
1: Limitation 2 active
•
Bit 5: Limitation 3
Limitation 3 is active, and this may limit the fan speed.
–
0: Limitation 3 inactive
–
1: Limitation 3 active
•
Bit 6: Automatic
The group object indicates whether or not the fan is in automatic mode.
–
0: Automatic mode inactive
–
1: Automatic mode active
12
Status Fan automatic
Channel – Fan
1 bit
DPT 1.011
C, R, T
This group object is enabled if
Automatic operation
has been enabled in the
Fan output
parameter window.
This group object is always enabled in controller mode.
The group object indicates the status of automatic operation.
Telegram value:
•
0 = Inactive
•
1 = Active