Electrical Installation
S45 Pump
Electric Proportional Control
powersolutions.danfoss.com
Electrical Installation
S45 Pump Electric Proportional Control
Revision history Table of revisions
Date Changed Rev
August 2016 Updated graphs and changed to Engineering Tomorrow 0202
September 2015 Converted to Danfoss layout BA
January 2013 First edition AA
2 | © Danfoss | August 2016 L1205447 | 0202
Electrical Installation
S45 Pump Electric Proportional Control
Contents
Literature references
S45 Electric Proportional Control literature references......................................................................................................4
Latest version of technical literature.........................................................................................................................................4
Product overview
Product image................................................................................................................................................................................... 5
Nomenclature....................................................................................................................................................................................5
Theory of operation.........................................................................................................................................................................6
Operating pressure versus input current........................................................................................................................... 6
Hydraulic schematics...................................................................................................................................................................... 7
Pressure compensation controls...........................................................................................................................................7
Electrical specifications.................................................................................................................................................................. 7
Electrical installation
Pinout....................................................................................................................................................................................................8
DEUTSCH connector.................................................................................................................................................................. 8
Pin compatibility...............................................................................................................................................................................8
Mating connector.............................................................................................................................................................................8
DEUTSCH connector parts list ............................................................................................................................................... 8
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Electrical Installation
S45 Pump Electric Proportional Control
Literature references
S45 Electric Proportional Control literature references
Literature title Description Literature number
S45 Axial Piston Open Circuit Pumps Technical Information Complete product electrical
S45 Pump Electric Proportional Control Function Block User
Manual
Latest version of technical literature
Danfoss product literature is online at: http://powersolutions.danfoss.com/literature/
and mechanical
specifications
Compliant function block
set-up information
520L0519
L1210641
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SR P JC D E F G H
K
L M N
P200 146
Electrical Installation
S45 Pump Electric Proportional Control
Product overview
Product image
S45 Electric Proportional Control
Nomenclature
Electric proportional control options—normally closed
Code
AH Electric Proportional Pressure Control w/Pressure Comp. (NC,12VDC) Left • • •
AL Electric Proportional Pressure Control w/Pressure Comp. (NC,24VDC) Left • • •
AV Electric Proportional Pressure Control w/Pressure Comp. (NC,12VDC) Right • • •
AK Electric Proportional Pressure Control w/Pressure Comp. (NC,24VDC) Right • • •
BH Electric Proportional Pressure Control w/Pressure Comp. (NC,12VDC) [>280 bar] Left • • •
BL Electric Proportional Pressure Control w/Pressure Comp. (NC,24VDC) [>280 bar] Left • • •
BM Electric Proportional Pressure Control w/Pressure Comp. (NC,12VDC) [>280 bar] Right • • •
BK Electric Proportional Pressure Control w/Pressure Comp. (NC,24VDC) [>280 bar] Right • • •
EM Electric Proportional Pressure Control w/Pressure Comp. (NC,12VDC) • •
EN Electric Proportional Pressure Control w/Pressure Comp. (NC,24VDC) • •
Description Frame
L K J F E
Electric proportional control options—normally open
Code Description
AH Electric Proportional Pressure Control w/Pressure Comp. (NC,12VDC) Left • • •
AL Electric Proportional Pressure Control w/Pressure Comp. (NC,24VDC) Left • • •
AV Electric Proportional Pressure Control w/Pressure Comp. (NC,12VDC) Right • • •
AK Electric Proportional Pressure Control w/Pressure Comp. (NC,24VDC) Right • • •
BH Electric Proportional Pressure Control w/Pressure Comp. (NC,12VDC) [>280 bar] Left • • •
BL Electric Proportional Pressure Control w/Pressure Comp. (NC,24VDC) [>280 bar] Left • • •
BM Electric Proportional Pressure Control w/Pressure Comp. (NC,12VDC) [>280 bar] Right • • •
BK Electric Proportional Pressure Control w/Pressure Comp. (NC,24VDC) [>280 bar] Right • • •
EM Electric Proportional Pressure Control w/Pressure Comp. (NC,12VDC) • •
EN Electric Proportional Pressure Control w/Pressure Comp. (NC,24VDC) • •
Frame
L K J F E
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0
50
100
150
200
250
300
350
System
Pr
essure (Bar
)
0 0.2 0.4
0.6
0.8
1
Current I/Imax (ma)
310 Bar PC, 10 Bar LS
310 Bar PC, 20 Bar LS
310 Bar PC, 30 Bar LS
260 Bar PC, 20 Bar LS
210 Bar PC, 20 Bar LS
P108 657E
0
50
100
150
200
250
300
350
System
Pr
essure (Bar
)
0 0.2 0.4
0.6
0.8
1
Current I/Imax (ma)
260 Bar PC, 20 Bar LS
210 Bar PC, 20 Bar LS
310 Bar PC, 20 Bar LS
310 Bar PC, 30 Bar LS
310 Bar PC, 10 Bar LS
P108 658E
Electrical Installation
S45 Pump Electric Proportional Control
Product overview
Only certain control options for the S45 pump use this electric proportional control. Please refer to the
motor’s nomenclature to determine if the pump is equipped with the proper option. You can find the
nomenclature on the pump’s nametag. For nomenclature details, refer to S45 Axial Piston Open Circuit
Pumps Technical Information, 520L0519.
Theory of operation
When an electric current is sent to the normally closed configuration control, the pump pressure
decreases proportional to an increase in current. When an electric current is sent to the normally open
configuration control, the pump pressure increases proportional to an increase in current. When the load
in the system changes, the pump will adjust its displacement to maintain the pressure demanded by the
controlling current. This control is especially useful for fan-drives, due to the direct relationship between
fan-speed and pump pressure. Due to the nature of electric proportional controls, the relationship
between current and pump pressure is unique for each individual PC/LS pressure setting combination.
Operating pressure versus input current
Normally closed electric proportional control
Normally open electric proportional control
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Electrical Installation
S45 Pump Electric Proportional Control
Product overview
Hydraulic schematics
Pressure compensation controls
Normally closed electric proportional
Normally open electric proportional
Electrical specifications
B Outlet
S Inlet
L1, L2 Case drain
M2 System pressure gauge port
X Load sense port
For both normally open and normally closed solenoids
Voltage 12V 24V
Maximum current 1500 mA 665 mA
Inrush current 1700 mA 800 mA
Coil resistance at 20°C [70°F] 7.1 Ω 28.5 Ω
PWM range 200-300 Hz 200-300 Hz
PWM frequency (preferred)
IP rating (IEC 60529 | DIN 40050-9) IP67 IP67
IP rating (IEC 60529 | DIN 40050-9) with mating connector IP69K IP69K
Operating temperature Consistent with pump
*
PWM siginal required for optimum control performance.
*
250 Hz 250 Hz
limits: -40°C (-40°F) to 104°C
(220°F)
Consistent with pump
limits: -40°C (-40°F) to 104°C
(220°F)
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Electrical Installation
S45 Pump Electric Proportional Control
Electrical installation
Pinout
DEUTSCH 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 PWMOUT/DOUT/PVG Power supply
1, 2 PWMOUT/DOUT/PVGOUT
1, 2 Power ground
*
Use output pins with configurable PWM frequency.
*
*
DEUTSCH connector parts list
Description Quantity Ordering number
Connector
Wedge lock
Socket contact (16 and 18 AWG)
Mating connector kit
1 DEUTSCH DT06-2S
1 DEUTSCH W2S
2 DEUTSCH 0462-201-16141
1 Danfoss K29657
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Electrical Installation
S45 Pump Electric Proportional Control
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Electrical Installation
S45 Pump Electric Proportional Control
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Electrical Installation
S45 Pump Electric Proportional Control
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Danfoss
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