Operating Instructions

Table Of Contents
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Siemens RXB (KNX) Applications library CLC and RAD description of functions for CC-02 CM110384en_04
Building Technologies Setpoint calculation 21 Sep 2010
Comfort:
The Comfort setpoints for heating and cooling are shifted in parallel
A
.
The original spacing heating – cooling is maintained.
The room controller corrects the setpoints as follows following a local shift:
Precomfort::
The values are shifted in parallel to the
Comfort values
B
.
The cooling setpoint cannot be lowered following central shift
C
.
The heating setpoint cannot be increased following central shift
C
.
Economy:
The cooling setpoint cannot be lowered following central shift
C
.
The heating setpoint cannot be increased following central shift
C
.
The value is shifted together with the
Precomfort value
D
.
Protection:
Protection values are absolute
E
.
A minimum spacing between
Comfort heating and Comfort cooling of 0.5 K is
maintained
F
.
Setpoints
Protection cooling
Economy cooling
Precomfort cooling
Comfort cooling
Comfort heating
Precomfort heating
Economy heating
Protection heating
10385D108
Sp [°C]
Offset [K]
A
0+
-
0.5 K
0.5 K
B
C
D
F
E
C
D
F
Local setpoint shift
Upon a change from
Comfort and Precomfort to Economy or Protection, the setpoint
shift can be reset (see page 110).
The
Effective setpoint offset (last value of local shift via PPS2 / bus) is available in the
following S-mode communication object:
Effective setpoint offset (output communication object)
Flags
R W C T U
Type Send heartbeat Value
1 0 1 1 0 9.002
DPT_Value_Tempd
Yes Floating point (K)
Function
Internal correction by
controller
Note
KNX
R
CO