Description of application and parameters
Communication objects - RTC
KNX Technical Reference Manual 1473-1-8914 / 2CKA001473B8914
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10.3.43 Controller status RHCC
Number
Name
Object function
Data type
42
Controller status RHCC
Output
2-byte floating point
value
This communication object outputs the heating/cooling operating mode, 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.
10.3.44 Controller status HVAC
Number
Name
Object function
Data type
43
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.
10.3.45 Commissioned
Number
Name
Object function
Data type
44
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.