Danfoss S51 D7, S51 D8, S51 DA, S51 DC User guide
MAKING MODERN LIVING POSSIBLE
Electrical Installation
Series 51 Motors
Electrohydraulic Proportional
Control D7, D8, DA, DC
powersolutions.danfoss.com
Electrical Installation S51 Electrohydraulic Proportional Control D7, D8, DA, DC
Revision history Table of revisions
Date Changed Rev
August 2015 Corrections to layout only CA
July 2015 Converted to Danfoss layout BA
April 2007 First edition AA
2 11024996 • Rev CA • August 2015
Electrical Installation S51 Electrohydraulic Proportional Control D7, D8, DA, DC
Contents
Literature references
S51 electrohydraulic proportional control D7, D8, DA, DC literature references......................................................4
Latest version of technical literature.........................................................................................................................................4
Product overview
Product image................................................................................................................................................................................... 5
Nomenclature....................................................................................................................................................................................5
Theory of operation.........................................................................................................................................................................6
Proportional displacement control...................................................................................................................................... 6
PCOR................................................................................................................................................................................................ 6
D7M1, D8M1................................................................................................................................................................................. 6
DAM4, DCM6.................................................................................................................................................................................6
Control operation D7M1, D8M1............................................................................................................................................ 6
Hydraulic schematics...................................................................................................................................................................... 7
Electrical specifications.................................................................................................................................................................. 8
Electrical installation
Pinout....................................................................................................................................................................................................9
AMP Junior Power Timer connector.....................................................................................................................................9
Pin compatibility...............................................................................................................................................................................9
Pressure compensator logic.......................................................................................................................................................10
Hydraulic brake pressure defeat......................................................................................................................................... 10
Electric brake pressure defeat..............................................................................................................................................10
Mating connector.......................................................................................................................................................................... 10
AMP connector parts list........................................................................................................................................................10
11024996 • Rev CA • August 2015 3
Electrical Installation S51 Electrohydraulic Proportional Control D7, D8, DA, DC
Literature references
S51 electrohydraulic proportional control D7, D8, DA, DC literature references
Literature title Description Literature number
S51 and 51-1 Bent Axis Variable Displacement Motors
Technical Information
S51 D Proportional Controls Function Block User Manual Compliant function block
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
set-up information
520L0440
11022921
11022918
4 11024996 • Rev CA • August 2015
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