KNX Technical Reference Manual
ABB-i-Bus
®
-KNX Millenium
Description of applications /
objects
KNX Technical Reference Manual | 1473-1-8681
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11.5.45
Controller status RHCC
Number
Name
Object function
Data type
43
Controller status RHCC
Output
2-byte floating point
value
This communication object outputs the heating/cooling operation type, active/inactive operation,
the frost and heat alarm, and the error (actual temperature reading failure) in accordance with
the specification for the RHCC (Room Heating Cooling Controller) status.
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11.5.46
Controller status HVAC
Number
Name
Object function
Data type
44
1. Controller status HVAC
Output
Percent (0..100%)
2. Controller status HVAC
(master)
Output
Percent (0..100%)
3. Controller status HVAC
(slave)
Output
Percent (0..100%)
This communication object outputs the current operating mode, the heating/cooling mode,
active/inactive mode, the frost alarm and the dew point alarm in accordance with the
specification for the HVAC (Heating Ventilation Air Conditioning) status.
Note
Item 2:
If the master/slave mode is active, the HVAC status (slave) object must be
connected to this object.
Item 3:
If the master/slave mode is active, the HVAC status (master) object must be
connected to this object.
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11.5.47
Commissioned
Number
Name
Object function
Data type
45
Commissioned
Output
Switching
The controller uses this 1-bit communication object to send a cyclical "sign of life". This signal
can be used to monitor the device, e.g. by means of a visualisation.
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