ABB i-bus
®
KNX
Commissioning
© 2008 ABB STOTZ-KONTAKT GmbH
174
No.
Function
Object name
Data type
Flags
25
Forced operation
Fan
EIS 1, 1 bit
DPT 1.003
C, W
This communication object is enabled if in parameter window L, M, N:
Fan (3 x 6 A)
the
parameter
Enable communication object “Forced operation" 1 bit
is selected with the option
yes.
If a forced operation is activated, the Room Master switches independently from the control
value and its parameterised Limitation 1-4 to forced operation.
The fan speed and valve position(s) during forced operation can be parameterised individually
from one another.
Telegram value:
0 = no forced operation
1 = forced operation
26
Automatic ON/OFF
Fan
EIS 1, 1 bit
DPT 1.003
C, W
This communication object is enabled if in parameter window
L, M, N:
Fan the option
yes
has
been selected in the
Automatic operatio
n parameter in the
L, M, N, Fan (3 x 6 A)
parameter
window:
If automatic mode is enabled, it will be activated on this communication object with the value 1
after a download, bus reset or via a telegram.
Automatic mode is switched off, if a signal is received on a “manual communication object”.
Manual communication objects are:
- Fan: Fan speed switch
- Fan: Speed x switch (x = 1, 2 or 3)
- Fan: Fan speed up/down
- Fan: Limitation x (x = 1, 2, 3 or 4)
During forced operation the automatic mode remains active; however, it is only operated
within the allowed limits.
If the value 1 is set in the parameter:
Telegram value:
0 = automatic operation OFF
1 = automatic operation ON
If the value 0 is set in the parameter:
Telegram value:
0 = automatic operation ON
1 = automatic operation OFF
27
Status automatic
Fan
EIS 1, 1 bit
DPT 1.003
C, R, W
This communication object is enabled if in parameter window
Status messages
the parameter
Enable communication object "Status automatic" 1 bit
is selected with option
yes
.
It is possible to parameterise if a communication object value is only updated and not sent,
sent on request, or only sent when changed.
The communication object indicates the status of the automatic mode.
Telegram value:
0 = inactive
1 = activated