Response Time...........................................................................................................................................................................36
Pump output flow direction vs. control handle rotation...........................................................................................36
MDC with Neutral Start Switch (NSS)......................................................................................................................................37
Non Feedback Proportional Electric Control (NFPE) ........................................................................................................37
Control response.......................................................................................................................................................................37
NFPE control used with a Danfoss microcontroller......................................................................................................38
Input signal requirements.....................................................................................................................................................39
Features and Options
Multi-Function Valves...................................................................................................................................................................40
Overpressure protection........................................................................................................................................................40
Pressure limiting function..................................................................................................................................................... 40
Bypass Function........................................................................................................................................................................ 41
Auxiliary Mounting Pads............................................................................................................................................................. 41
Mating pump requirements................................................................................................................................................. 41
Displacement Limiter................................................................................................................................................................... 42
Shaft Torque.....................................................................................................................................................................................43
Shaft torque and spline lubrication................................................................................................................................... 43
Shaft torque for tapered shafts............................................................................................................................................44
Shaft Availability and Torque Ratings.....................................................................................................................................44
Tapered Shaft Customer Acknowledgement.................................................................................................................45
Charge Pump...................................................................................................................................................................................46
Charge pump sizing/selection.............................................................................................................................................46
Charge pump flow and power curves...............................................................................................................................46
Speed Sensor...................................................................................................................................................................................47
Connector Pin Assignments.......................................................................................................................................................49
Installation Drawings
Frame Size 042................................................................................................................................................................................50
Frame Size 055................................................................................................................................................................................53
Frame Size 075................................................................................................................................................................................57
Frame Size 075 NFPE Options FK, FL, FM, FN.......................................................................................................................60
Frame Size 100................................................................................................................................................................................65
Frame Size 130................................................................................................................................................................................70
Frame Size 180................................................................................................................................................................................74
Frame Size 250................................................................................................................................................................................78
Cover Plate........................................................................................................................................................................................82
3-Position (F-N-R) Electric Control........................................................................................................................................... 82
Electric Displacement Control (EDC) with MS-Connector or Packard® connector.................................................83
Hydraulic Displacement Control (HDC)................................................................................................................................. 84
Manual Displacement Control (MDC) with neutral start switch...................................................................................84
Electrohydraulic Displacement Control (NFPE)(except 075 NFPE).............................................................................. 85
Integral Pressure Filter................................................................................................................................................................. 86
Remote pressure – without filter..............................................................................................................................................86
Technical Information
Series 90 Axial Piston Pumps
Contents
4 520L0603 • Rev 0804 • March 2016