Datasheet

Product Data Sheet RER175-42/18/2TDMP
02/01/2019 page 6 of 13
Speed control:
By pulse-width modulation (PWM) 0 ... 100%
Frequency = 2 kHz (1 - 10 kHz)
Information to the curve PWM:
0% - <7% PWM: 0 1/min
7% PWM: 800 1/min (Fan on, comming from 0% PWM)
7% - 10% PWM: 800 1/min (corresponding to min. speed)
10% - 90% PWM: linear increasing curve
90% - 100% PWM: 4.800 1/min (corresponding to max. speed)
7% - >5% PWM: linear decreasing curve (comming from 100% PWM)
5% PWM: 600 1/min or 0 1/min (Fan off, comming from 100% PWM)
3.2 Electrical Operating Data
Measurement
conditions:
Normal air density = 1,2 kg/m3; Temperature 23°C +/ - 3°C; Motor axis horizontal; warm-up
time before measuring 5 minutes (unless otherwise specified).
In the intake and outlet area should not be any solid obstruction within 0,5 m.
Measurement setup: Measured between two steel plates
Steel plate: 195 mm x 195 mm
Intake nozzle: D: 125,5 mm; R: 10 mm
Distance between bottom and top plate: 80 mm
Overlapping impeller / nozzle: 2 mm
∆p = 0: corresp. to free air flow (see chapter aerodynamics)
I: corresp. to arithm. mean current value
Name Condition
PWM 0001 PWM: 100 %; f: 2 kHz
Features Condition Symbol Values
Voltage range U 36 V 72 V
Nominal voltage U
N
48 V
Power consumption 64,8 W 106 W 110 W
+- 10 % +- 10 % +- 10 %
Tolerance
∆p = 0
PWM 0010
P
Current consumption 1.800 mA 2.200 mA 1.530 mA
+- 10 % +- 10 % +- 10 %
Tolerance
∆p = 0
PWM0010
I
Speed 4.000 1/min 4.800 1/min 4.800 1/min
+- 10 % +- 5 % +- 5 %
Tolerance
∆p = 0
PWM 0010
n