•
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.
P108 500E
2
1
Amp Junior Power Timer
2 Pin Connector
(Male Terminal)
Mating Connector:
Danfoss
Identification Number
10102040
Technical Information
Series 90 Axial Piston Pumps
Control Options
520L0603 • Rev 0804 • March 2016
39
