MAKING MODERN LIVING POSSIBLE
Electrical Installation
Series 51-1 Motor
Electrohydraulic Two-Position
Controls F1, F2
powersolutions.danfoss.com
Electrical Installation S51-1 Electrohydraulic Two-Position Controls F1, F2
Revision history Table of revisions
Date Changed Rev
August 2015 Converted to Danfoss layout BA
April 2007 First edition AA
2 11024972 • Rev BA • August 2015
Electrical Installation S51-1 Electrohydraulic Two-Position Controls F1, F2
Contents
Literature references
S51-1 Electrohydraulic Two-Position Controls F1, F2 literature references................................................................ 4
Latest version of technical literature.........................................................................................................................................4
Product overview
Product image................................................................................................................................................................................... 5
Nomenclature....................................................................................................................................................................................5
Theory of operation.........................................................................................................................................................................6
Hydraulic schematics...................................................................................................................................................................... 6
Electrical specifications.................................................................................................................................................................. 7
Electrical installation
Pinout....................................................................................................................................................................................................8
DIN 43650 connector.................................................................................................................................................................8
Pin compatibility...............................................................................................................................................................................8
Mating connector.............................................................................................................................................................................8
DIN 43650 connector parts list...............................................................................................................................................8
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Electrical Installation S51-1 Electrohydraulic Two-Position Controls F1, F2
Literature references
S51-1 Electrohydraulic Two-Position Controls F1, F2 literature references
Literature title Description Literature number
S51 and 51-1 Bent Axis Variable Displacement Motors
Technical Information
On/Off Functions Function Block User Manual Compliant function block
Latest version of technical literature
Danfoss product literature is online at: http://powersolutions.danfoss.com/literature/
Complete product electrical
and mechanical
specifications
set-up information
520L0440
11022918
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R G L F M N J S T W Y P K V Z X
Electrical Installation
Product overview
Product image
Nomenclature
S51-1 model code
S51-1 Electrohydraulic Two-Position Controls F1, F2
S51-1 Electrohydraulic Two-Position Controls F1, F2
Code M options
M Description
F1 Electrohydraulic two-position control, 12 Vdc
F2 Electrohydraulic two-position control, 24 Vdc
Only certain control options for the S51-1 motor utilize the Electrohydraulic Two-Position Control. Please
refer to the motor’s nomenclature to determine if the motor is equipped with the proper option. The
nomenclature can be found on the motor’s nametag.
11024972 • Rev BA • August 2015 5
min
12V
/24V
max
Displacement
Control voltage
Electrohydraulic
two-position control
P001 871E
W
n
min.
disp.
T3
T2
M4
B
M3M5
L1
N
L2
A
P001 867E
Electrical Installation S51-1 Electrohydraulic Two-Position Controls F1, F2
Product overview
Theory of operation
Displacement can be changed electrohydraulically under load from maximum displacement to minimum
displacement and vice versa, by using a built-in solenoid valve.
Solenoid off = minimum displacement
•
Solenoid on = maximum displacement
•
Control operation
Hydraulic schematics
Warning
Unintended vehicle or machine movement hazard. The loss of hydrostatic drive line power, in any mode
of operation (forward, neutral, or reverse) may cause the system to lose hydrostatic braking capacity. You
must provide a braking system, redundant to the hydrostatic transmission, sufficient to stop and hold the
vehicle or machine in the event of hydrostatic drive power loss.
Circuit diagram – motor with control options: F1B1, F2B1
Ports:
A, B = Main pressure lines
L1, L2 = Drain lines
M3, M4 = Servo pressure
M5 = Gauge port servo supply pressure
internal
T2, T3 = Optional orifices
N = Speed sensor
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Electrical Installation S51-1 Electrohydraulic Two-Position Controls F1, F2
Product overview
Electrical specifications
Two-position solenoid
M-option F1 F2
Voltage
Rated power
12 Vdc 24 Vdc
14.7 W 14.7 W
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Electrical Installation S51-1 Electrohydraulic Two-Position Controls F1, F2
Electrical installation
Pinout
DIN 43650 connector
Pin location
Pinout
Pin Function
1 PWM signal
2 Ground
Pinout (alternative)
Pin Function
1 Ground
2 PWM signal
Pin compatibility
Mating connector
PLUS+1® module pin type
Pin Function
1,2 DOUT
1,2 DOUT/PVG Power
1,2 PWMOUT/DOUT/PVG Power supply
1,2 PWMOUT/DOUT/PVGOUT
1,2 Power ground -
DIN 43650 connector parts list
Description Quantity Ordering Number
DIN 43650 connector 1 Hirschmann 932 106-100
Mating connector kit 1 Danfoss K09129
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Electrical Installation S51-1 Electrohydraulic Two-Position Controls F1, F2
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Electrical Installation S51-1 Electrohydraulic Two-Position Controls F1, F2
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Electrical Installation S51-1 Electrohydraulic Two-Position Controls F1, F2
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Danfoss
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www.comatrol.com
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www.hydro-gear.com
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www.daikin-sauer-danfoss.com
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