Siemens LMS14 User Manual page 432

Function value 2 H2
module 1, 2, 3
Key
Key
432/617
Building Technologies Division
Line no. Operating line
6052 Funct value 2 H2 module 1
6060 Funct value 2 H2 module 2
6068 Funct value 2 H2 module 3
The linear characteristic is defined via 2 fixed points. The setting uses 2 pairs of
parameters for function value and voltage value (F

Example of heating demand DC 10 V
Flow temperature setpoint [°C]
F2 = 60
F2 = 80
F1 = 0
U1 = 0 V 0.15 V
Figure 93: H2 extension module – heating demand
F1 Function value 1
F2 Function value 2
U1 Frequency value 1
U2 Frequency value 2
If the input signal drops below the limit value of 0.15 V, the request for heat becomes
invalid, which means that it has no impact.

Example of pressure measurement at DC 10 V
Pressure value [bar]
4 bar
2 bar
1 bar
F1 = 0
0
U1 = 0.5 V
Figure 94: Input Hx H2 extension module – NO contact
F1 Function value 1
F2 Function value 2
U1 Frequency value 1
U2 Frequency value 2
User Manual LMS14...
6 The settings in detail
/U nd F
1 1 a 2
U2 = 10 V
F2 = 40
F2 = 20
F2 = 10
Supply to Hx
U2 = 3.5 V
/U ).
2
Voltage at Hx
CC1U7471en
28.01.2015