MAKING MODERN LIVING POSSIBLE
Electrical Installation
Series 51-1 Motor
Pressured Compensated
Controls TA
powersolutions.danfoss.com
Electrical Installation S51-1 Pressured Compensated Controls TA
Revision history Table of revisions
Date Changed Rev
August 2015 Converted to Danfoss layout BA
April 2007 First edition AA
2 11024993 • Rev BA • August 2015
Electrical Installation S51-1 Pressured Compensated Controls TA
Contents
Literature references
S51-1 Motor Pressured Compensated Controls TA literature references....................................................................4
Latest version of technical literature.........................................................................................................................................4
Product overview
Product image................................................................................................................................................................................... 5
Nomenclature....................................................................................................................................................................................5
Theory of operation.........................................................................................................................................................................6
TA**..................................................................................................................................................................................................6
TACA................................................................................................................................................................................................ 6
TAD1, TAD2, TAD7...................................................................................................................................................................... 6
Control operation TA**............................................................................................................................................................. 6
Hydraulic schematics...................................................................................................................................................................... 7
Electrical specifications.................................................................................................................................................................. 7
Electrical installation
Pinout....................................................................................................................................................................................................8
DIN 43650 connector.................................................................................................................................................................8
AMP Junior Power Timer connector.....................................................................................................................................8
Pin compatibility...............................................................................................................................................................................8
Pressure compensator logic......................................................................................................................................................... 9
Hydraulic brake pressure defeat............................................................................................................................................9
Electric brake pressure defeat................................................................................................................................................ 9
Mating connector.............................................................................................................................................................................9
DIN 43650 connector parts list...............................................................................................................................................9
AMP connector parts list.......................................................................................................................................................... 9
11024993 • Rev BA • August 2015 3
Electrical Installation S51-1 Pressured Compensated Controls TA
Literature references
S51-1 Motor Pressured Compensated Controls TA 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
4 11024993 • Rev BA • August 2015
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
S51-1 model code
S51-1 Pressured Compensated Controls TA
S51-1 Motor Pressured Compensated Controls TA
M and N options
M Description N Description
TA Pressure compensated
control
D1 Electric brake pressure defeat,
12 Vdc, DIN Connector
D2 Electric brake pressure defeat,
24 Vdc, DIN Connector
D7 Electric brake pressure defeat,
12 Vdc, AMP Connector
CA With hydraulic brake pressure
defeat
C2 Without brake pressure
defeat
Only certain control options for the S51-1 motor utilize the Pressure Compensated Control. The
combination of the M and N modules define the motor control’s functionality. Please refer to the motor’s
nomenclature to determine if the motor is equipped with the proper options. The nomenclature can be
found on the motor’s nametag.
11024993 • Rev BA • August 2015 5
min max
Displacement
Ramp < 10 bar
[145 psi]
Regulator start
Setting range
130
[1890]
370
[5370]
System pressure Δ p bar [psi]
P001 173E
W
Electrical Installation
Product overview
Theory of operation
S51-1 Pressured Compensated Controls TA
TA**
Displacement is regulated automatically between minimum displacement and maximum displacement
in response to system pressure.
Regulator start = minimum displacement
•
Regulator end = maximum displacement
•
Regulator start pressure is adjustable from 110 to 370 bar [1600 to 5370 psi].
•
Pressure ramp from regulator start pressure (with motor at minimum displacement) until maximum
displacement is reached is less than 10 bar [145 psi]. This ensures optimal power utilization throughout
the entire displacement range of the motor.
TACA
Pressure compensator configuration: TACA with hydraulic brake pressure defeat.
A shuttle valve, ahead of the pressure compensator, prevents operation in the deceleration direction
(when the motor is running in pump mode). This is designed to prevent rapid or uncontrolled
deceleration while the vehicle/machine is slowing down. The shuttle valve must be controlled by a 2-line
external signal.
Pressure compensator override with brake pressure defeat is mainly used in systems with pumps having
electric or hydraulic proportional controls or automotive controls.
TAD1, TAD2, TAD7
Pressure compensator configuration: TAD1, TAD2, and TAD7 with electric brake pressure defeat.
A solenoid-switched valve, ahead of the pressure compensator, prevents operation in the deceleration
direction (when motor is running in pump mode). This is designed to prevent rapid or uncontrolled
deceleration while the vehicle/machine is slowing down. The solenoid valve must be controlled by an
external electric signal, based on direction of motor rotation.
Control operation TA**
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
6 11024993 • Rev BA • August 2015
vehicle or machine in the event of hydrostatic drive power loss.
M3
T3
M3
with Electric
brake pressure
defeat
with Hydraulic
brake pressure
defeat
without
Brake pressure
defeat
XB
XA
T3
M3
T3
min.
disp.
n
B
A
L1
M4
L2
N
P001 834E
Electrical Installation S51-1 Pressured Compensated Controls TA
Product overview
Hydraulic schematics
Circuit diagram–motor with pressure compensator control TA**
Electrical specifications
Ports:
A, B = Main pressure lines
L1, L2 = Drain lines
M3, M4 = Servo pressure
XA, XB = Control pressure port brake pressure defeat (BPD)
T3 = Orifice
N = Speed sensor
Electric brake pressure defeat solenoid
N-option
Voltage
Rated power
D1, D7 D2
12 Vdc 24 Vdc
34 W 34 W
11024993 • Rev BA • August 2015 7
1 2
2 1
Electrical Installation S51-1 Pressured Compensated Controls TA
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 11024993 • Rev BA • August 2015
Electrical Installation S51-1 Pressured Compensated Controls TA
Electrical installation
Pressure compensator logic
Hydraulic brake pressure defeat
Motor rotation High pressure port Control pressure on port*PCOR function
CW A XA yes
CW A XB no
CCW B XA no
CCW B XB yes
*
Differencial control pressure between port XA/XB:
∆p
= 0.5 bar [7 psi]
min
∆p
= 50 bar [725 psi]
max
Electric brake pressure defeat
Motor rotation High pressure port Solenoid PCOR function
CW A energized yes
CW A non energized no
CCW B energized no
CCW B non energized yes
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
11024993 • Rev BA • August 2015 9
Electrical Installation S51-1 Pressured Compensated Controls TA
10 11024993 • Rev BA • August 2015
Electrical Installation S51-1 Pressured Compensated Controls TA
11024993 • Rev BA • August 2015 11
Danfoss
Power Solutions GmbH & Co. OHG
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D-24539 Neumünster, Germany
Phone: +49 4321 871 0
Danfoss
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Products we offer:
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www.comatrol.com
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www.schwarzmuellerinverter.com
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www.turollaocg.com
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www.hydro-gear.com
Daikin-Sauer-Danfoss
www.daikin-sauer-danfoss.com
Bent Axis Motors
•
Closed Circuit Axial Piston
•
Pumps and Motors
Displays
•
Electrohydraulic Power
•
Steering
Electrohydraulics
•
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•
Integrated Systems
•
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•
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•
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•
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•
PLUS+1® GUIDE
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