Danfoss Series 90 - NFPE control used with a Danfoss microcontroller

Pump Displacement vs. Input Signal
"0"
Signal Current
mA(DC)
a b c
a
b
c
Displacement
100 %
100 %
NFPE control
∆p = 300 bar
∆p = 300 bar
∆p = 0 bar
∆p = 0 bar
P003 187E
NFPE Schematic
B
A
M5
M4
M3
M1
M2
L1
S
L2
M6
P003 174
NFPE control used with a Danfoss microcontroller
•
Creep mode
•
Two automotive control ramps via mode switch
•
Engine overspeed protection
•
Electric control
•
Anti-stall function
•
Smooth operation
Technical Information
Series 90 Axial Piston Pumps
Control Options
38 520L0603 • Rev 0804 • March 2016