Siemens RDG110 Basic Documentation

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Siemens RDG100, RDG100T, RDG110, RDG140, RDG160 Basic Documentation CE1P3181en
Building Technologies Functions 14 Dec 2011
Modulating control: 3-position, PWM or DC 0…10 V
The diagrams below show the control sequence for modulating PI control.
Heating mode Cooling mode
Y [%]
100
0
w
3191D122_01
T[°C]
YR
XpH
YHC
w
D
XpR
Y [%]
100
0
w
3191D123_01
T[°C]
YHC
XpR
YR
x
dz
XpC
T[°C] Room temperature XpH Proportional band “Heating” (P30)
W Room temperature setpoint XpC Proportional band “Cooling” (P31)
YHC Control command “Valve” X
dz
Dead zone (P33)
YR Control command “Radiator” w
D
Setpoint differential (P34)
The diagrams only show the PI controller’s proportional part.
Setting the sequence and the control outputs
Refer to sections 4.5 ("Applications"), 4.7.1 ("Sequences") and 4.7.2 ("Outputs").
Note

Siemens RDG110 Specifications

General

Brand	Siemens
Model	RDG110
Category	Thermostat
Language	English