KNX Technical Reference Manual
ABB-i-Bus
®
-KNX Millenium
Description of applications /
objects
KNX Technical Reference Manual | 1473-1-8681
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11.5.27
Fan speed level 5
Number
Name
Object function
Data type
25
Fan speed level 5
Output
Switching
This 1-bit communication object is used to output the active status (1) of the fan speed level,
while the other fan speed levels are deactivated (0), depending on the parameter setting. If the
fan speed level is inactive, the object has a value of (0).
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11.5.28
Basic setpoint
Number
Name
Object function
Data type
26
Basic setpoint
Input
2-byte floating point
value
This 2-byte communication object can be used to change/adjust the parameterized basic
setpoint value via the KNX bus. Parameters can be used to define whether the value received
by this object is interpreted as "Setpoint heating comfort", "Setpoint cooling comfort" or an
average between heating and cooling comfort.
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11.5.29
Resetting manual setpoints
Number
Name
Object function
Data type
27
Resetting manual setpoints
Input
Switching
This 1-bit communication object is used to reset the manual setpoint adjustment that was set on
the device.
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11.5.30
Dew point alarm
Number
Name
Object function
Data type
28
Dew point alarm
Input
Switching
This 1-bit communication object is used to place the controller in the dew point alarm mode.
This causes the current setpoint value to be set to the heat protection setpoint value in order to
keep the structure from being damaged by dew.
Note
This protective mechanism is only active in the cooling mode. It remains in place
until it is cancelled by the value (0). When an alarm is active, manual operation of
the controller is blocked. This information is indicated by a corresponding icon on
the control unit.
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