Siemens RDG100 Basic Documentation page 37

Modulating control: 3-position, PWM or DC 0...10 V
Heating mode (P01=0)
Changeover (P01=2 or P01= 3)
Note
Setting the sequence and the control outputs
Siemens
Building Technologies
The diagrams below show the control sequence of modulating PI control.
The diagrams only show the PI controller's proportional part.
Refer to section 4.5, 4.7.1 and 4.7.2.
RDG100.., RDG110.., RDG160T.. Basic Documentation
Functions
Cooling mode P01=1)
T[°C] Room temperature
w Room temperature setpoint
YHC1 Control command "Stage 1"
YHC2 Control command "Stage 2"
XpH Proportional band "Heating" (P30)
XpC Proportional band "Cooling" (P31)
X Dead zone (P33)
dz
w Setpoint differential (P34)
D
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2015-07-29