Siemens RVS41.813 User Manual page 185

Siemens Switzerland Ltd
HVAC Products
U2 Voltage value 2
F2 Function value 2
If the input signal drops below the limit value of 0.15 V, the heat request is invalid and
therefore inactive.
• Example of pressure measurement 10 V
P [bar]
4bar
F =0
1
0
U =0.5V
1
P Pressure value
Hx Voltage value at Hx
U1 Voltage value 1
F1 Function value 1
U2 Voltage value 2
F2 Function value 2
If the measured value lies below 0.15 V, it is regarded invalid.
• Example of relative room humidity 10 V
rF [%]
F =100
2
F =0
1
U1=0V 0.15V
rF Relative humidity
Hx Voltage value at Hx
U1 Voltage value 1
F1 Function value 1
U2 Voltage value 2
F2 Function value 2
If the measured value lies below 0.15 V, it is regarded invalid.
User manual RVS61.843, RVS41.813
6 The settings in detail
F2=4
Hx [V]
U =3.5V
2
U =10V
2
Hx [V]
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CE1U2355en_02
28. September 2009