Siemens LMV36.520 Series - Traveling Speed;Maximum Curve Slope

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Building Technologies Division Basic documentation LMV36... CC1P7544en
Infrastructure & Citiies Sector 11 Electronic fuel-air ratio control 25.09.2013
11.3.2 Traveling speed/maximum curve slope
The time required to modulate from low-fire to high-fire can be set via parameter 544.
In connection with the actuator’s ramp in the basic unit, the following positioning angles
or speed changes between maximum 2 curvepoints can be covered:
Modulation
32 s
Modulation
48 s
Modulation
64 s
Modulation
80 s
Type of actuator
Positioning speed Positioning angle ²) Positioning angle ²) Positioning angle ²) Positioning angle ²)
Actuators (3 Nm) 5 s / 90° 31° 46° 62° 77°
Actuator SQM33.6 10 s / 90° 15° 22° 30° 37°
Actuator SQM33.7 17 s / 90° 9° 1) 13° 18° 22°
VSD 5 s / 100% 40 % 60 % 80 % 100 %
10 s / 100% 20 % 30 % 40 % 50 %
20 s / 100% 10 % 15 % 20 % 25 %
30 s / 100% 6,6 % ¹) 10 % 13 % 16 %
40 s / 100% 5 % ¹) 7.5 % ¹) 10 % 12 %
¹) Depending on the setting, restricting the maximum positioning angle or the maximum
speed differential does not allow the maximum position of 90° or 100% to be reached.
²) Maximum difference between 2 curve points
No. Parameter
522 Ramp up
523 Ramp down
544 Ramp modulating
The setting also acts outside the operating position (refer to chapter Traveling speed).