MAKING MODERN LIVING POSSIBLE
Electrical Installation
Series 51 and 51-1 Motor
Electrohydraulic Two-Position
Controls E1, E2, E7
powersolutions.danfoss.com
Electrical Installation S51 and 51-1 Electrohydraulic Two-Position Controls E1, E2, E7
Revision history Table of revisions
Date Changed Rev
August 2015 Converted to Danfoss layout BA
April 2007 First edition AA
2 11024946 • Rev BA • August 2015
Electrical Installation S51 and 51-1 Electrohydraulic Two-Position Controls E1, E2, E7
Contents
Literature references
S51 and 51-1 Electrohydraulic Two-Position Controls E1, E2, E7 literature references...........................................4
Latest version of technical literature.........................................................................................................................................4
Product overview
Product image................................................................................................................................................................................... 5
Nomenclature....................................................................................................................................................................................5
Theory of operation.........................................................................................................................................................................6
Hydraulic schematics...................................................................................................................................................................... 6
Series 51-1 schematic................................................................................................................................................................ 6
Series 51 schematic.................................................................................................................................................................... 7
Electrical specifications.................................................................................................................................................................. 7
Electrical installation
Pinout....................................................................................................................................................................................................8
DIN 43650 connector.................................................................................................................................................................8
AMP Junior Power Timer connector.....................................................................................................................................8
Pin compatibility...............................................................................................................................................................................8
Mating connector.............................................................................................................................................................................9
DIN 43650 connector parts list...............................................................................................................................................9
AMP connector parts list.......................................................................................................................................................... 9
11024946 • Rev BA • August 2015 3
Electrical Installation S51 and 51-1 Electrohydraulic Two-Position Controls E1, E2, E7
Literature references
S51 and 51-1 Electrohydraulic Two-Position Controls E1, E2, E7 literature references
Literature title Description Literature number
S51 and 51-1 Bent Axis Variable Displacement Motors
Technical Information
S51 L Proportional Controls 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
11022922
4 11024946 • Rev BA • August 2015
5 1
R G L F M N J S T W Y P K V Z
5 1
R G L F M N J S T W Y P K V Z X
Electrical Installation
Product overview
Product image
Nomenclature
S51 model code
S51 and 51-1 Electrohydraulic Two-Position Controls E1, E2, E7
S51 and 51-1 Electrohydraulic Two-Position Controls E1, E2, E7
S51-1 model code
Code M options
M Description
E1 Electrohydraulic two-position control, 12 Vdc, DIN Connector
E2 Electrohydraulic two-position control, 24 Vdc, DIN Connector
*
E7
*
Available on S51-1 motor only.
Electrohydraulic two-position control, 12 Vdc, AMP Connector
Only certain control options for the S51 and 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.
11024946 • Rev BA • August 2015 5
Minimum
12 Vdc/
24 Vdc
Maximum
Displacement
Control
voltage
W
n
min.
disp.
T3
T2
M4
B
M3
M5
L1
N
L2
A
P001 780E
Electrical Installation S51 and 51-1 Electrohydraulic Two-Position Controls E1, E2, E7
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 = maximum displacement
•
Solenoid on = minimum displacement
Electrohydraulic two-position control operation
Warning
Hydraulic schematics
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.
Series 51-1 schematic
Circuit diagram – motor with EH two-position control E1B1, E2B1,
E7B1
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
6 11024946 • Rev BA • August 2015
n
max.
disp.
T3
T2
T1
T7 T8
P100 180E
B
M8
M7
M2
L1
M1
N
M3
M4
L2
A
M5
Electrical Installation S51 and 51-1 Electrohydraulic Two-Position Controls E1, E2, E7
Product overview
Series 51 schematic
Electrical specifications
Circuit diagram – motor with control options: E1A5, E2A5
Ports:
A, B = Main pressure lines
L1, L2 = Drain lines
M1, M2 = Gauge port for A and B
M3, M4 = Gauge port servo pressure
M5 = Gauge port servo supply pressure,
internal
M7, M8 = Gauge port control pressure,
internal
T1, T2, T3, T7, T8 = Optional orifices
N = Speed sensor
Two-position solenoid
M-option
Voltage
Rated power
E1, E7 E2
12 Vdc 24 Vdc
14.7 W 14.7 W
11024946 • Rev BA • August 2015 7
1 2
2 1
Electrical Installation S51 and 51-1 Electrohydraulic Two-Position Controls E1, E2, E7
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
AMP Junior Power Timer connector
Pin location
Pinout
Pin Function
1 PWM signal
2 Ground
Pinout (alternative)
Pin Function
1 Ground
2 PWM signal
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 -
8 11024946 • Rev BA • August 2015
Electrical Installation S51 and 51-1 Electrohydraulic Two-Position Controls E1, E2, E7
Electrical installation
Mating connector
DIN 43650 connector parts list
Description Quantity Ordering Number
DIN 43650 connector 1 Hirschmann 932 106-100
Mating connector kit 1 Danfoss K09129
AMP connector parts list
Description Quantity Ordering number
Two pin connector 1 Tyco Electronics 282189-1
Contacts 2 Tyco Electronics 929940-1
Seal plugs 2 Tyco Electronics 828904-1
Mating connector kit 1 Danfoss K19815
11024946 • Rev BA • August 2015 9
Electrical Installation S51 and 51-1 Electrohydraulic Two-Position Controls E1, E2, E7
10 11024946 • Rev BA • August 2015
Electrical Installation S51 and 51-1 Electrohydraulic Two-Position Controls E1, E2, E7
11024946 • Rev BA • August 2015 11
Danfoss
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www.comatrol.com
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www.turollaocg.com
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www.hydro-gear.com
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www.daikin-sauer-danfoss.com
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