Generation Of Setpoint - Siemens RVP201 Basic Documentation

Weather-compensated
control
Without room unit
With authority of room
temperature deviation
Room temperature-
compensated control
18/46
Siemens
Building Technologies
3.3.5

Generation of setpoint

The setpoint is generated via the heating curve based on the composite outside tem-
perature.
T
Rw
-
0
0
Generation of setpoint with weather-compensated control, without a room unit
H Heating curve
s Slope of heating curve
T Composite outside temperature
AM
T Room temperature setpoint
Rw
T Flow temperature setpoint
Vw
-
T
0
Rw
0
T
Rx
/
1
2
E ×
×
+10 K
I
-10 K
Generation of setpoint with weather-compensated control, with authority of room tem-
perature deviation
× Multiplier
E Authority (gain factor) of room temperature deviation
H Heating curve
I Integrator with limitation
L Limiter
s Slope of heating curve
T Composite outside temperature
AM
T Room temperature stepping
Rw
T Room temperature
Rx
T Flow temperature setpoint
Vw
The setpoint is generated based on the setpoint / actual value deviation of the room
temperature.
Also, the heating curve slope with a fixed outside temperature of 0 °C is taken into ac-
count. The generation of this factor corresponds exactly to the generation of the flow
temperature setpoint in the case of weather-compensated control with or without room
temperature influence.
Heating controllers RVP201 and RVP211
3 Technical design
T
AM
H
s
T
Vw
s
1
+20 K
L
-20 K
T
AM
H
s
T
Vw
×
CE1P2464en
2017-07-21