Interfaces for blowers with EC external-rotor motor
General information
standard interface 5 115/230 VAC (* applies alternatively for L&S with different part number)
ST1
nominal voltage
1
L
3
2
1 2
N
open PWM and
EMV-Filter
control input
-> max. speed
T
angential blowers
ST2
3
PE
5 ST1
4
3
2
maximum ripple ±3,5%
1
1
UB +16 - 45VDC / 15mA
tach output
2,2K 12K
counter
2
3 pulses / revolution
HALL
controller 1K
alarm
3
N.C.
Radial blowers AC
12K 1K
12V
speed display
4
PWM 2 - 6KHz
PIC
PWM
12K 1K
safe start up at 25% PWM 5
- GND
control signal - square pulse
(* alternatively 1K with L&S)
ST2
PWM-Low - blower off
(* alternatively 12K with L&S)
PWM-High - blower on
customer circuit interface ebm-papst circuit
Radial blowers EC
standard interface 6 115/230 VAC
Fuse
0-10V
main voltage
1 Hot Air blowers
N
VAC T4A
EMC
max.
2
filter
U VAC
1,0V 1,6V 10V
ground
min.operation -> Ucontrol>2V
3
starting --> PWM > 25% ST1
min. operation --> PWM 18% 1K
15V TR
counter 1P2 1S2
control input signal - rectangle impuls 1 +10V max 10mA
1P1 1S1
PWM-Low - fan off
voltage output
controller
Isink = 10mA max.
4.7K
PWM-High - fan on
2 tach output 3 pulses per revolution 3 1
alarm
1K
lin. control input
15V
4 2
Pic
3 Axial blowers
speed display
0-10V
4 PWM 1-6 kHz
DC
PWM
0-100% 3 1
PWM
4 2
Pic
10K 10K
PWM
5
GND 10K
PWM
speed setting speed speed setting
PWM 1 - 6 kHz setting with 1V - 10V
20K
ST2 47V
alterable
15V
100% PWM -> n=max
resistance Pumps
10V -> n=max
typ. 10% PWM -> n=min 1V -> n=min
< 10% PWM -> n=0 < 1V -> n=0
customer circuit interface ebm-papst circuit
Addresses
87
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