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®
ABB i-bus
KNX
Parameters
7.4.2.2.1.1
Reaction on bus voltage failure Fan output
This parameter is only visible for:
•
FCC/S 1.1.1.1
•
FCC/S 1.1.2.1
•
FCC/S 1.2.1.1
•
FCC/S 1.2.2.1
•
FCC/S 1.4.1.1
Options:
The reaction of the fan output on bus voltage failure is specified using this parameter.
•
Unchanged: The currently applicable fan speed is maintained on bus voltage failure.
•
OFF: The fan is switched off if there is a bus voltage failure.
7.4.2.2.1.2
Reaction on bus voltage failure Relay output
This parameter is not available for the variant FCC/S 1.4.1.1.
Options:
The reaction of the relay output on bus voltage failure is specified using this parameter.
•
Unchanged: The relay remains in its actual position on bus voltage failure.
•
On: The relay is switched on if there is a bus voltage failure.
•
Off: The relay is switched off if there is a bus voltage failure.
7.4.2.2.1.3
Heating/Cooling mode after bus voltage recovery
Options:
This parameter is used to specify the mode (heating or cooling) in which the device is to be after
bus voltage recovery.
•
As before bus voltage failure: The device is in the same mode as before bus voltage failure.
•
Heating: The device is in the heating mode after bus voltage recovery.
•
Cooling: The device is in the cooling mode after bus voltage recovery.
7.4.2.2.1.4
Control value after bus voltage recovery
Options:
This parameter specifies which control value is to apply after bus voltage recovery until the con-
troller has calculated a new control value.
•
As before bus voltage failure: The same control value as before the bus voltage failure applies.
•
Select: A control value can be specified. This control value applies until a new control value is
calculated/a new control value is received via the bus. The Control value dependent parameter
is displayed.
The reaction parameterized here also applies during the sending and switching delay.
After bus voltage recovery it can take up to 2 seconds until the device has started and the out-
puts can be switched/controlled again.
Unchanged
OFF
Unchanged
On
Off
As before bus voltage failure
Heating
Cooling
As before bus voltage failure
Select
Note
FCC/S 1.X.X.1 | 2CDC 508 200 D0211 Rev A 155
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