Siemens LMV37.4 Series - Modulating Operation; 2-Stage Operation

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Building Technologies Basic documentation LMV37.4... CC1P7546en
13 Load output X74 pin 3 17.12.2018
13.2 Modulating operation
Actual value Voltage Curvepoint Display / output
value
Off DC 0 V --- Off
Ignition load DC 1 V P0 10%
Low-fire DC 2 V P1 20%
High-fire DC 10 V P9 100%
The values between low-fire and high-fire are interpolated in a linear manner.
13.3 2-stage operation
Actual value Voltage Curvepoint Display / output
value
Off DC 0 V --- Off
Stage 1 DC 5 V P1 P1
Stage 2 DC 10 V P2 P2
13.4 3-stage operation
Actual value Voltage Curvepoint Display / output
value
Off DC 0 V --- Off
Stage 1 DC 3 V P1 P1
Stage 2 DC 5 V P2 P2
Stage 3 DC 10 V P3 P3