Danfoss Series 90 Technical Information page 4

Technical Information
Contents
Features and Options
Installation Drawings
4
Series 90 Axial Piston Pumps
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
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
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
520L0603 • Rev 0804 • March 2016