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Electronic ramp control is superior to hydraulic control with orifices
Input signal requirements
The NFPE control requires a pulse-width-modulated (PWM) input current to optimize performance. The
recommended PWM frequency is 100 Hz. The minimum PWM frequency is 80 Hz.
Solenoid data
Option FA FB FC FD FK FL FM FN FG FH
Frame Size 42cc, 55cc, 100cc 75cc 75cc, 100cc, 130cc,
180cc
Voltage [V] 12 24 12 24 12 24 12 24 12 24
32Working Pressure [Bar] 25 25 32 32 25 25 25 32 32 32
Maximum Current [mA] 1500 750 1500 750 1500 750 1500 750 1500 750
Start Current [mA] 440 220 440 220 440 220 440 220 440 220
End Current [mA] 1290 645 1280 645 1290 645 1290 645 1290 645
Coil Resistance [Ohm] 4.72±5% 20.8±5% 5.3±5% 21.2±5% 4.72±5% 4.72±5% 4.72±5% 4.72±5% 4.98±3% 20.6±3%
PWM Range [Hz] 70-200 70-200 70-200
PWM Prefered [Hz] 200 200 200
Protection Class up to IP6K6/IPX7/IPX9K up to IP6K6/IPX7/IPX9K IP65 DIN 40050
Connector Amp Junior Timer AMP Junior Timer Amp Junior Timer
* PWM Signal Required for Optimum Control Performance.
To use the NFPE control in a PLUS+1 application, download the appropriate file from www.Danfoss.com/
PLUS+1.
NFPE pump displacement vs. input signal
Shaft rotation CW CCW
Active solenoid 1 and A 2 and B 1 and A 2 and B
Port A flow Out In In Out
Port B flow In Out Out In
Servo cylinder M5 M4 M5 M4
The NFPE control uses an AMP® Junior Power Timer connector. The solenoids are compatible with
Danfoss microcontrollers and joysticks.
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