Diaphragm Pumps NMP850 HP
Technical data
KNF Micro BA321648-321651 NMP850_HP-EN 0921.docx
Translation of original Operating and Installation Instructions, English
10
Motor specification B4 (brushless motor with internal elec-
tronic)
Motor electrical specifications NMP850KPDC-B4 12V / 24V
Electrical connections
Function
Lead color
Signal name
Size
+ Supply voltage
Red
+ Vs
AWG 24
- Supply voltage
Black
- Vs / GND
AWG 24
Speed control
– input
signal
White
Vctrl
AWG 24
Frequency output
–
output signal
Green
FG
AWG 24
DC control input Vctrl
Control voltage range DC
0...5
[VDC]
Resistant to surge voltages up to
±28
[VDC]
Threshold voltage
1.5
[VDC]
FG frequency output
FG pulses per mech. revolution
18
[ ]
Output level "high" (Iout <0.1mA)
4.2 … 5.4
[V]
Output level "low" (Iout <0.1mA)
< 0.5
[V]
Tab. 10
1)
PWM-signal also possible. Recommended carrier frequency 6-20kHz
Motor electrical specifications NMP850.1.2KPDC-B4 12V / 24V
Electrical connections
Function
Lead color
Signal name
Size
+ Supply voltage
Red
+ Vs
AWG 20
- Supply voltage
Black
- Vs / GND
AWG 20
Speed control
– input
signal
White
Vctrl
AWG 24
Frequency output
–
output signal
Green
FG
AWG 24
DC control input Vctrl
Control voltage range DC
0...5
[VDC]
Resistant to surge voltages up to
±28
[VDC]
Threshold voltage
0.5
[VDC]
FG frequency output
FG pulses per mech. revolution
18
[ ]
Output level "high" (Iout <0.1mA)
4.0
… 5.0
[V]
Output level "low" (Iout <0.1mA)
< 0.5
[V]
Tab. 11
