OSPE Steering Valve SASA Sensor Technical Information
Contents
1. OSP F7 7 7 7 7 7 7 i L i i a R T T L NT Tol SS M i 5 TA LA Pa CI L C Y Rr Lr P LS EH LI E 1 EA M PVE 1 Electronics j mod tbs Ph AXE 1 fe T S 1 i 1 L x q a dl banni H 1 7 gt K E E s C af 1 T HL LS i P l l g p g g g T LRO i g g P301 170 11068682 Rev CC lt Mar 2012 AUER OSPE Steering Valve r Technical Information Versions OSPEDC LSRM This version is preferred for front wheel steered vehicles like e g tractors where self alignment steering effect is desired Only difference compared to OSPEC LSRM is that D type has 2 gear wheel sets rotary meters Should the pump supply be lost only one gear set is active for emergency steering In normal steering situations both gear sets are2. Prime mover Working Hydraulic oc ATP OSPE in a system with fixed gear pump and GPS steering The pump the OSPE priority valve part and the working hydraulics must be protected by a separate pressure relief valve P301 177 The vehicle controller watch dog monitors input from the GPS steering angle sensor SASA and signal from steering cylinder sensor In case of unintended movement from the cylinder sensor the watch dog shall remove power to the control valve for mode select pilot dump and in this way electro hydraulic actuation of steering cylinder is made impossible The system turns into true safe mode 11068682 Rev CC lt Mar 2012 SAUER OSPE Steering Valve DANFOSS Technical Information Hydraulic Systems Hydraulic Systems continued Display Watchdog controller AU
3. active 05p aia ea Lt L L l 6 R L kd NAN Lr la GE f 6 A O Rr I LS EH ae LE YU fi et raka PVE T Q gt lt P EF T LIIR P301 171 10 11068682 Rev CC lt Mar 2012 SAUER OSPE Steering Valve DANFOSS Technical Information Versions OSPEDF LS This version is preferred for rear wheel steered and articulated vehicles Only difference compared to OSPEF LS is that D type has 2 gear wheel sets rotary meters This version however is shown without priority valve OSP CA LU Fal rR Stl Ld 4 A nl 4 TA ATM CI C C7 I hs EH TT mu I I LE LE Ether J PVE T p T LTR o P301 172 11068682 Rev CC lt Mar 2012 11 SAUER 6 DANFOSS PVED CL MMI Display Buttons e g to select program Display Info Status Diagnostic CAN OSPE Steering Valve Technical Information Steering Valve EHPS and Electrical Actuation PVE for EHPS OSPE with an electrica
4. Electronics G d my 2 IT CF 11068682 Rev CC Mar 2012 iis 21 20 ser T pasi P301 174 SAUER 6 DANFOSS OSPEC LSRM Steering Right with Steering Wheel OSPE Steering Valve Technical Information Function When steering with the steering wheel to the right the spool of the spool sleeve set 3 will rotate relative to the sleeve So LS line will be connected to R side LS pressure will raise accordingly to steering pressure required and priority valve spool 15 will be pressed to the left and oil will stream through the internal CF side of the priority valve and on to the spool sleeve set 3 through the gear set 5 and out through the R connection In parallel the L side is opened through the spool sleeve set 3 to tank T When steering up against cylinder end stop pressure will raise in LS line according to setting of pilot pressure control valve 18 Check valve 20 avoids oil to stream backwards from servo side R in this case and over valve 18 to tank So the valve 18 shall only open for the dynamic flow generated in the dynamic orifice 17 of
5. 60 7 S Z 2 39 11068682 Rev CC lt Mar 2012 25 SAUER 6 DANFOSS Dimensioning Steering System with OSPE Steering Valve 26 OSPE Steering Valve Technical Information Dimensioning The cylinder flow is determined from steering cylinder volume number of revolutions on steering wheel from lock to lock and steering speed Dimension of steering cylinder s can be based on formulas in General steering components page 29 31 Symbols V I steering cylinder volume i rev number of steering wheel revolutions from lock to lock Vvc cm3 rev steering system displacement for steering cylinder CQ l min nominal cylinder flow Pems bar emergency steering pressure Tems Nm emergency steering torque Fe N emergency steering wheel rim force Swd m steering wheel diameter Vvs cm3 rev displacement steering unit PQ l min pilot flow Qpm l min pump flow minimum Example Cylinder volume V 1 851 0 49 US gal Required number of steering wheel revolutions from lock to lock i 4 5 revolutions The required steering system displacement for steering cylinder is calculated from We V i 1 85 1000 5 370 cm rev 22 58 in rev 1 85 1000 4 463 cm rev 28 25 in rev In this example we chose Vvc 400 cm3 rev 24 4 in rev The nominal cylinder flow at 100 rpm speed on steering wheel CQ 400 100 1000 cm I
6. Qp 0 10 20 30 40 50 60 70 80 90 min Qp us gal min 11068682 Rev CC lt Mar 2012 SAUER OSPE Steering Valve DANFOSS Technical Information Technical Characteristics Pressure drop P EF for This data comes from measurements on a representative sample of OSPE valves Sauer Danfoss OSPE from production Oil with viscosity of 21 mm s at 50 C was used during measuring Valve Measurement is made when the pressure on the LS connection is zero The minimum curve applies when the pressure on the EF connection is higher than the actual control spring pressure The curve for control spring pressure of 7 bar 100 psi and 10 bar 145 psi applies when pressure on the EF port is zero Low flow priority valve spool Low flow spool is recomend for max 60 l min 15 9 US gal min pump flow P EF P EF psi bar 16 10 bar 200 14 145 psi 7 bar 12 102 psi min 150 10 8 100 6 50 4 2 0 0 Op 0 10 20 30 40 50 60 70 80 90 l min DD 0 5 10 15 20 US gal min P301 218 High flow priority valve spool P EF P EF psi bar 16 200 14 10 bar 12 145 psi 7 bar 150 10 102 psi min 8 100 6 50 2 0 0 Op 0 10 20 30 40 50 60 70 80 90 l min CT 0 5 10 15 20 US gal min P301 21 11068682 Rev CC Mar 2012 29 AUER OSPE Steering Valve G r Technical Inf
7. 11068682 Rev CC Mar 2012 P301 175 SAUER 6 DANFOSS OSPEC LSRM Steering Right with EH OSPE Steering Valve Technical Information Function Before it is possible to steer with the EH part of the OSPE it is needed to power the control valve for mode select 12 for field mode When this valve is powered the pilot supply 12 bar is lead from the pilot reduction valve 13 through the control valve 12 to the solenoid valve bridge 11 of the PVE control unit 9 and in parallel to the mode select and EH cut off valve 7 So the valve 7 makes connection from EH directional valve 8 to the cylinder ports L and R In the same shift the valve 7 interrupts the reaction circuit Lr and Rr from the spool sleeve set 3 to the cylinder ports and the unit acts as a non reaction OSP in this mode When an input signal is transmitted to the electrical connector of the PVE 9 in this example signal to steer to the right the solenoid valve bridge 11 is activated and the EH directional valve spool 8 is moved to the right So LS in the spool 8 will sense the needed steering pressure and this is transmitted to the PVFC valve LS resolver 21 So the valve 21 makes restrictions in the dynamic LS flow from dynamic orifice 17 of priority valve and the LS pressure in the priority valve spool 15 will match the LS pressure required from the EH directional valve spool 8 Accordingly the position of the
8. continued Safety Considerations OSPE Steering Valve Technical Information System Safety To prevent the electronics from going into an undefined state a general supervision of the power supply and the internal clock frequency is made This function applies to PVES and PVED CL and will not activate fault monitoring 1 High supply voltage The solenoid valves are disabled when the supply voltage exceeds 36 V and the main spool will return stay in neutral 2 Low supply voltage The solenoid valves are disabled when the supply voltage falls below 8 5 V and the main spool will return stay in neutral 3 Internal clock The solenoid valves are disabled when the internal clock frequency fails and the main spool will return stay in neutral On road Operation A WARNING The PVES or PVED CL shall be de energized while driving on road It is the OEMs responsibility to establish the necessary means to inform and de energize the PVE from the cabin when driving on public roads A WARNING The Sauer Danfoss range of PVE actuators are single string designs with limited on board fault monitoring Sauer Danfoss strongly recommends application of vehicle specific safety monitoring systems that will detect non conforming steering and effectively disable electro hydraulic actuators or issue appropriate warnings as the case may be A minimum safety system should include a manual power switch to electrical power off electro hydraulic actuators
9. Also manual steering with variable ratio is an often wanted feature to improve productivity and driver comfort For this purpose Sauer Danfoss has developed a combined steering unit and electro hydraulic steering valve named OSPE OSP for normal manual steering wheel activated steering and E for electro hydraulic steering activated by electrical input signal either from GPS or vehicle controller or from steering wheel sensor Sauer Danfoss type SASA for variable steering ratio In variable steering mode the electro hydraulic valve part adds flow to the metered out flow from the steering unit part of the OSPE OSPE has build in safety function in form of cut off valve which makes unintended steering from Electro hydraulic valve part impossible So OSPE is the right steering element first of all to build up steering system with very high safety level and so to be able to fulfill legislations demands like e g demands in EU Machinery Directive 2006 42 EC Category 2 System architecture A Ssss ss d K Q Display Wh e EA OOS a CAN bus HOME Analogue a Steering Wheel e a v m T Sw 5 is cw iE 6 Steering Cylinder Category 2 Systemillustration In cases where space do not allow room enough for OSPE an ordinary OSP non reaction steering unit combined the EH Electro Hydraulic In Line steering valve is an alternative EH valves are
10. lt Unc Signal current at rated voltage 0 25 mA to 0 70 mA Input impedance in relation to 0 5 lt Uoc 12 KQ Input capacitor 100 nF Power consumption PVES 7W PVES Supply voltage Function Prop super s max 0 230 Disconnected by means Reaction time from neutral rated 0 150 of neutral switch position to max spool travel min 0 120 max 0 175 Disconnected by means Reaction time from max spool tad 0 090 of neutral switch travel to neutral position min 0 065 max 0 200 Constant voltage Reacuon time from neutral rated 0 120 position to max spool travel min 0 050 past ad at mak 0 100 Constant voltage Faction time mom mas POS rated 0 090 travel to neutral position min 0 065 Electrical Unit Min Max Required supply voltage VDC 11 32 Required current with magnetic valves enabled A 1 0 3 Required current with magnetic valves disabled A 0 1 0 03 Power consumption W 7 10 Power consumption magnetic valves off W max 0 3 Signals Stabilized voltage supply V DC 4 80 5 20 Max current taken from stabilized voltage supply mA 100 Digital conversion of signals at AD1 amp 2 V DC 0 to 5 VDC into 0 1023 10 bit Available baud rates to CAN Kilo bit s 125 250 500 Performance Spool position Hysteresis in of full spool stroke 0 5 1 Inherent Ramp up time from neutral to full open ms 50 210 Inherent Ramp
11. Comatrol www comatrol com Schwarzm ller Inverter www schwarzmueller inverter com Turolla www turollaocg com Valmova www valmova com Hydro Gear www hydro gear com Sauer Danfoss Daikin www sauer danfoss daikin com 11068682 Rev CC lt Mar 2012 Sauer Danfoss is a global manufacturer and supplier of high quality hydraulic and electronic components We specialize in providing state of the art technology and solutions that excel in the harsh operating conditions of the mobile off highway market Building on our extensive applications expertise we work closely with our customers to ensure exceptional performance for a broad range of off highway vehicles We help OEMs around the world speed up system development reduce costs and bring vehicles to market faster Sauer Danfoss Your Strongest Partner in Mobile Hydraulics Go to www sauer danfoss com for further product information Wherever off highway vehicles are at work so is Sauer Danfoss We offer expert worldwide support for our customers ensuring the best possible solutions for outstanding performance And with an extensive network of Global Service Partners we also provide comprehensive global service for all of our components Please contact the Sauer Danfoss representative nearest you Local address Sauer Danfoss US Company 2800 East 13th Street Sauer Danfoss ApS DK 6430 Nordborg Denmark Ames IA 50010 USA Phone 45 7488 4444 Phone 1
12. er contamination ISO 4406 temperatur 30 gt 60 C 22 140 F y y 1999 version 23 19 16 range Rec Enclosure and connector Pilot pressure nom 13 5 bar 196 psi Pilot pressure relative to T min 10 bar 145 psi pressure 7 max 15 bar 217 psi According to the international standard IEC 529 Version with AMP JPT connector Grade of enclosure IP 66 In particulary exposed applications protection in the form of screening is recommended 11068682 Rev CC lt Mar 2012 23 SAUER 6 DANFOSS Installation PVED CL 24 OSPE Steering Valve Technical Information Technical Data The CAN wiring is done according to J1939 15 where as Analogue wiring is recommended to be at least 0 75 mm and no longer than 9 meters PVED CL V bat AD1 CAN low CAN low AD2 V bat CAN high_ 5V Out V neg V neg GND CAN high Analog sensors Switch CAN bus 4 Y sensors CANL 1 1 AD Vbat 2 1 2 5Vout Vbat 3 3 GND Uninterruptable CAN 4 AD2 en power source Grey connector 7 Black connector P005 095E A WARNING The following wiring faults will destroy
13. offered with the same safety functions as OSPE Please contact Sauer Danfoss sales organisation 11068682 Rev CC Mar 2012 SAUER OSPE Steering Valve DANFOSS Technical Information Versions Overview Steering Valve OSPE and electrical actuation module PVE Steering unit part Version Spool sleeve type Gear set OSPEC xxx LSRM C dynamic LSRM Load Sensing Reaction Single OSPEF xxx LS F dynamic LS Non Reaction Single OSPEDC xx yyy LSRM C dynamic LSRM Load Sensing Reaction Dual OSPEDF xx yyy LS F dynamic LS Non Reaction Dual EH part of OSPE in combination with any OSPE Spool type PVE actuator Static PVES PVED CC PVED CL Priority valve in OSPE in combination with any OSPE Spool type Note If priority valve is present elsewhere in system Dynamit OSPE can be w o priority valve 11068682 Rev CC lt Mar 2012 AUER OSPE Steering Valve r Technical Information Versions OSPEC LSRM This version is preferred for front wheel steered vehicles like e g tractors where self alignment steering effect is desired Reaction type steering resembles a car where the direction of travel will continue straight ahead when ever the steering wheel is not touched The reaction concept in any OSPE steering units is based on Sauer Danfoss RM technology The reaction effort is selectable by help of the solenoid valve for activating EH steering e R
14. priority valve part independent if steering is done by the steering wheel OSP part or by the EH valve 11068682 Rev CC Mar 2012 17 SAUER 6 DANFOSS OSPEC LSRM Designation of OSPE elements Item Description 1 Shock valves 2 Suction valves 3 Spool sleeve set 4 Emergency steering check valve 5 Gear set 6 P check valve 7 Mode select and EH cut off valve 8 EH directional valve 9 PVE control unit 10 LVDT transducer 11 Solenoid valve bridge 12 Control valve for mode select 13 Pilot reduction valve 12 bar 14 PP damping orifice 15 Priority valve spool 16 Priority valve spring 17 Dynamic orifice 18 Pilot pressure relief valve 19 LS orifice 20 LS check valve 21 PVFC valve LS resolver 22 Neutral spring package for spool sleeve T301 008E 18 OSPE Steering Valve Technical Information Function Steering Right with EH OSP Ow Electronics 1 i ser
15. 1367 C M PB 11081369 C M PB 11081388 C M PB 11081389 C M PB 11081390 C M PB 11081391 C M PB For weights please see page 21 11068682 e Rev CC Mar 2012 37 SAUER 6 DANFOSS Sensor Type SASA General Versions Code Numbers and Weights SASA Sensor Code Number and Weight SAK Adapter Kit 38 OSPE Steering Valve Technical Information Sensor Type SASA The SASA sensor detects the absolute position and speed of the steering wheel The sensor can be used in electro hydraulic steering systems using Sauer Danfoss EH or EHPS steering valves with programmable controller The use of SASA sensor is relevant e g for variable steering ratio and closed loop set ups where steering wheel position and steering angle have to match SASA is based on a non contact inductive principle giving a very high resolution The sensor features a robust design and resists e g electro magnetic radiation The output is a CAN signal which makes it easy to interface to advanced vehicle controllers The steering wheel shaft turns the rotor of the SASA sensor and the sensor is simply mounted between steering unit and steering column The shaft of the steering column must be 15 mm longer when using SASA sensor In cases where customers want to use the same steering column in applications with and without SASA sensors Sauer Danfoss offers an adapter kit type SAK to built in between column and sensor The SASA s
16. 2 8 35 16 2 0 64 20 8 0 82 OSPED 125 440 232 9 13 16 2 0 64 40 9 1 61 Metric port version ISO 6149 1 PT EF M22 x 1 5 15 mm deep L R M18 x 1 5 14 5 mm deep LS M12 x 1 5 11 5 mm deep A 4x M10 x 1 5 16 mm deep 11068682 Rev CC lt Mar 2012 OSPE 158 6 22 1121441 pa wi S 0444 0 05 91 75 0 002 52 2 05 S a 25 4 1 00 mm N LE a a TT S a K Le N l l a E ON 213 18 39 ll Migi P301 176 31 SAUER OSPE Steering Valve DANFOSS Technical Information Hydraulic Systems 32 Hydraulic Systems Display Watchdog controller
17. 2x 1 5 O S O O ring chamfer on port connection S Spot face around port connection OSPEF w displacement lt 250 cc rev and integrated priority valve not to be used By experience we know the combination OSPEF with displacement lt 250 cc rev and integrated priority may cause oscillations in steering system Therefore do not specify such combinations We recommend using OSPEC when displacement is smaller than 250 cc and if integrated priority valve is needed 36 11068682 Rev CC lt Mar 2012 S SAUER OSPE Steering Valve DANFOSS Technical Information Order Specification Specify your wish to the OSPE according to the destinations as in the example underneath the empty scheme Your wish Example Gear set type Spool sleeve Displacement Spool sleeve EH spool PVE Coil for ctrl valve Priority valve Prio vlv spring Housing thread Relief valve setting Shock valves setting Unit painted black OSPE OSPE 60 185 LSRM 20 PVED CL A 90 180 240 PB 2 No designation for OSPE with single gear set 3 and 4 No designation for OSPE without priority valve Code numbers Code numbers for catalog versions with specifications Code Numbers Specifications according to above description format 11081352 Cc M PB 11081366 C M PB 1108
18. 40 l min 10 57 US gal min In this case we try to use an D type steering unit to avoid emergency steering pump The small gear set which is the only hydraulically active gear set in emergency steering mode is determined by the demand for emergency steering pressure look in General steering components page 28 29 Emergency steering pressure Pems is calculated to be maximum Pems 40 bar 580 psi Maximum allowable steering torque Tems based on steering wheel rim force Fe 350 N and steering wheel diameter Swd 0 381 m Tems Fe Swd 2 350 0 381 2 66 7 Nm 580 Ibf in Emergency steering unit displacement can be chosen calculated from the table lowest on page 28 in General steering components The nearest displacement Vvs generating minimum 40 bar 580 psilat Tws 66 7 Nm 580 Ibf in Vvs maximum 80 cm rev 4 88 in rev So the closest combination on gear sets for this OSPED type will be 80 395 So the numbers of steering wheel revolutions from lock to lock will be i V Vvc 1850 395 4 7 turns lock to lock 11068682 Rev CC lt Mar 2012 SAUER OSPE Steering Valve DANFOSS Technical Information Technical Characteristics EH Directional Spools of Cylinder flow characteristic for directional spools OSPE G NX gt ol Q A l min US gal min 4 3 2 1 0 1 2 3 4mm R T T T T T T T 580 4
19. 515 2396000 Fax 45 7488 4400 Fax 1515 2396618 Sauer Danfoss GmbH amp Co OHG Sauer Danfoss Daikin LTD Postfach 2460 D 24531 Neum nster Shin Osaka TERASAKI 3rd Bldg 6F Krokamp 35 D 24539 Neum nster Germany 1 5 28 Nishimiyahara Yodogawa ku Phone 49 4321 8710 Osaka 532 0004 Japan Fax 49 4321 871 122 Phone 81 6 6395 6066 Fax 81 6 6395 8585 wWww sauer danfoss com
20. 8 is open When the engine is on and the steering unit OSP and EH is in neutral position the CF pressure will rise to match the spring force in the priority valve and the priority valve spool 15 will move to the right and the oil will pass from the pump across the integrated priority valve spool 15 and out through the EF port The priority valve is a dynamic type meaning that a flow passes from CF through the Dynamic orifice 17 integrated in spool 15 and into the LS line through the LS orifice 19 LS check valve 20 the PVFC valve 21 and into the spool sleeve set 3 In neutral position this dynamic oil flow passes on to the tank When the steering unit is in neutral position and control valve 12 is deactivated then the mode select EH cut off valve 7 makes connection through the Reaction circuit Lr and Rr So if the steering wheel is untouched and a delta P is generated in the steering cylinder oil will pass from L to R or R to L through the spool sleeve set 3 and gear set 5 and the steering wheel will rotate until it is grabbed or delta P disappears Only the force of the neutral spring package 22 has to be overcome to stop the rotation of the steering wheel and therefore stop the cylinder movement The mode select EH cut off valve 7 makes unintended EH steering impossible if e g a false input signal comes to the PVE control unit 9 when the control valve 12 is deactivated because Land R connections from
21. 92 328 164 0 164 328 492 580 Can T T T T T T gt 0 35 0 40 0 43 0 46 0 5 0 54 0 57 0 60 0 65 Us Upc P301 220 valid for spools for nominal cylinder flow CQ 12 l min 3 17 US gal min valid for spools for nominal cylinder flow CQ 20 l min 5 28 US gal min valid for spools for nominal cylinder flow CQ 30 l min 7 97 US gal min valid for spools for nominal cylinder flow CQ 40 l min 10 57 US gal min The curves are valid for OSPE with internal priority valve w 7 bar 100 psi spring and 1 0 mm 0 039 in dynamic orifice and 60 I min 15 85 US gal min pump flow For OSPE without internal priority valve the curves are valid in combination with external priority valve OLS 80 152B8269 60 I min 15 85 US gal min pump flow 11068682 Rev CC lt Mar 2012 27 SAUER 6 DANFOSS Pilot pressure relief valve P T Op characteristic 28 OSPE Steering Valve Technical Information Technical Characteristics The pilot pressure relief valve protects the steering system against excessive pressure The pilot pressure relief valve works together with the priority valve in the OSPE to limit the maximum steering pressure P T The pilot pressure relief valve is set at an oil flow to the priority valve of 25 l min 6 6 US gal min Setting tolerance rated value 10 bar 145 psi psi bar 3500 200 bar 3000 un 2900 psi 170 bar 2500 2465 psi 140 bar 2000 2030 psi 1500 1000 500
22. EH directional valve spool 8 are blocked in 7 If the control valve 12 is activated then the mode select EH cut off valve 7 blocks connection through the Reaction circuit In this position there will be no reaction behavior even if there is build up delta P on the steering cylinder from forces on the steered wheels So the steering unit behaves as a Non reaction OSP In that situation If the control valve 12 is activated EH steering is possible 11068682 Rev CC lt Mar 2012 15 SAUER 6 DANFOSS OSPEC LSRM Designation of OSPE elements Item Description 1 Shock valves 2 Suction valves 3 Spool sleeve set 4 Emergency steering check valve 5 Gear set 6 P check valve 7 Mode select and EH cut off valve 8 EH directional valve 9 PVE control unit 10 LVDT transducer 11 Solenoid valve bridge 12 Control valve for mode select 13 Pilot reduction valve 12 bar 14 PP damping orifice 15 Priority valve spool 16 Priority valve spring 17 Dynamic orifice 18 Pilot pressure relief valve 19 LS orifice 20 LS check valve 21 PVFC valve LS resolver 22 Neutral spring package for spool sleeve T301 008E 16 OSPE Steering Valve Technical Information Function Steering right with steering wheel PVE OSP Rr Lr
23. OSPE Steering Valve Technical Information Technical Literature Survey Detailed data on all Sauer Danfoss steering components and accessories can be found in our steering component catalogues which is divided in to 6 individual sub catalogues e General information e Technical data on mini steering units e Technical data on open center and closed center steering units e Technical data on load sensing steering units priority valves and flow amplifiers e Technical data on hydraulic and electro hydraulic pilot operated steering valves electrical actuation modules and appropriate steering units e Technical data on combined steering unit electro hydraulic steering valves and steering wheel sensors Steering components OSPM OSPB OSPC and OSPD OSPB OSPC OSPF OSPD OSPQ OSPL OSPBX OSPLX OVPL OLS and 050 EHPS EHPS w OLS 320 PVE for EHPS and OSPCX OSPE and SASA The most important data on all Sauer Danfoss steering components is highlighted in a general survey brochure For technical information on individual variants please contact the Sauer Danfoss Sales Organization 11068682 Rev CC Mar 2012 T301036 SAUER 6 DANFOSS General Steering valve Type OSPE OSPE Steering Valve Technical Information General On tractors combine harvesters maize harvesters and other simulate vehicles there is often a need for electrically actuated steering to make automatic GPS controlled steering possible
24. X Prime mover EF Working Hydraulic CC OSPE ina system with variable pump and GPS steering The pump must have a built in pilot pressure relief valve to protect the OSPE the priority valve part the working hydraulics and the AUX function AUX can be a brake system which must have limited oil consumption to ensure steering capability in any case Alternative pressure protection must be present in working and in AUX hydraulic 11068682 Rev CC lt Mar 2012 P301 178 33 SAUER 6 DANFOSS Emergency Steering OSPE and system safety PVES and PVED CL 34 OSPE Steering Valve Technical Information System Safety The steering unit part of the OSPE acts like any other OSP steering units in case of no pump supply In such case the gear wheel set acts as a hand driven pump and so muscular power will be converted from input torque and rotation on the steering wheel to hydraulic power in the form of pressure and flow out of the cylinder port to which side the steering is done See page 26 in this catalog and page 28 in General steering components for calculating manual emergency steering Please see promotional brochure 11059881 for further information Fault monitoring A fault monitoring system is provided in all PVES and PVED CL modules The system is available as passive fault monitoring type which provides a warning signal only e Passive
25. d steering valve with steering flow up to 100 l min 26 4 US gal min steering pressure up to 250 bar 3625 psi and with integrated priority valve for pump flow up to 120 l min 31 7 US gal min For electro hydraulic steering systems Sauer Danfoss offers Pilot operated steering valves pilot operated by hydrostatic steering unit or by electrical signal with steering flows up to 100 l min 26 4 US gal min steering pressure up to 250 bar 3625 psi Steering units with integrated electrical operated steering valve with steering flow up to 50 l min 13 2 US gal min steering pressure up to 210 bar 3045 psi Electrical operated steering valves with steering flow up to 40 l min 10 57 US gal min steering pressure up to 210 bar 3045 psi Characteristic features for steering units Low steering torque From 0 5 Nm to 3 Nmin normal steering situations Low noise level Low pressure drop Many types available Open center None reaction Open center Reaction Closed center None reaction Load Sensing Load Sensing Reaction One or more built in valve functions relief valve shock valves suction valves none return valve in P line and in LS line Optional port connections according to ISO SAE or DIN standards Characteristic features for electrohydraulic steering system Electrohydraulic steering valve EHPS High steering pressure requiring smaller cylinders and flow EHPS Low pilot pressure and flow giving extremely low noise in
26. down time from full open to neutral ms 40 150 Boot time EHPS software ms 1200 1500 Recognition time of incorrect voltage signals ms 50 Recognition time of incorrect supply voltage ms 200 Recognition time of incorrect CAN signals ms 200 Recognition time of incorrect internal operations ms 50 watchdog 11068682 Rev CC lt Mar 2012 SAUER 6 DANFOSS Hysteresis PVES and PVED CL Technical Data PVES and PVED CL OSPE Steering Valve Technical Information Technical Data Hysteresis PVES and PVED CL rated 0 D Hysteresis is indicated at rated voltage and f 0 02 Hz for one cycle one cycle neutral gt full CL gt full CR gt neutral Spool Travel 8 6 4 2 0 0 2 A 6 8 157 669 11 Oil consumption Supply ki PVES voltage Function and PVED CL i i 0 3 l min Without ad voltage PVE neutral 0 078 US gal min 0 1 l min locked With Pilot oil flow 0 026 US gal min voltage er PVE i g p NUQUE 0 8 l min actuations 0 211 US gal min Oil viscosity Oil temperature range 12 75 mm s 65 347 SUS Rec range 30 60 C 86 140 F Oil mn 4 mm s 39 SUS OF 30 C 22 F viscosity temperature max 460 mm s 2128 SUS max 90 C 194 F Note Max start up viscosity 2500 mm s Filtering Ambient temperature ie a ta Max allowed degree of Ambiant Filtering in the ra ON
27. eG SAUER OSPE Steering DANFOSS valve SASA Sensor Technical Information OS SAUER OSPE Steering Valve DANFOSS Technical Information Revision History A Wide Range of Steering Components Revisions A Wide Range of Steering Components Table of Revisions Date Page Changed Rev Aug 2009 All First edition AA Oct 2009 Many Major change BA Feb 2010 7 PVED CC BB Mar 2010 37 Codenumbers added BC May 2010 8 11 32 33 LS connections deleted on schematics BD Sep 2010 48 New back cover BE May 2011 9 36 Drawing updated note added BF Jul 2011 27 Flow Characteristics added CA Mar 2012 38 Schema changed CB Mar 2012 38 added CC L Sauer Danfoss is the largest producer in the world of steering components for hydrostatic steering systems on off road vehicles Sauer Danfoss offer steering solutions both at component and system levels Our product range makes it possible to cover applications of all types ranging from ordinary 2 wheel steering also known as Ackermann steering to articulated steering complicated 4 wheel steering automatic steering e g by sensor and remote controlled steering via satellite We can offer more than 1500 different steering units and 250 different priority valves categorized in types variants and sizes F500 026 T301033 2012 Sauer Danfoss All rights reserved Sauer Danfoss accepts no responsibility for possib
28. ensor offers the following features High resolution lt 0 1 Output CAN signal High safety fail silent concept PLUS 1 Compliant Flanged in between steering unit and column e Compact design Q H COMPLIANT Y Q Code Supply Termination Cable Weigth Type 3 Connector number voltage Resistor length kg lb AMP code no 11088656 CAN 9 32 Voc Non 500 mm 0 25 0 55 2 967059 1 Deutsch 11099289 CAN 9 32 Voc Non 500 mm 0 25 0 55 DT04 4P CE02 Weight Code number kg Ib 150Z6000 0 8 1 76 11068682 Rev CC Mar 2012 CG SAUER OSPE Steering Valve DANFOSS Technical Information Sensor Type SASA CAN Message Protocol Interface CAN 2 0 B Baud rate 125 kBaud 250 kBaud default 500 kBaud SASA returns cyclic the following CAN message every 5 10 default or 20 ms Data 301 h 0 1 2 3 4 5 6 7 Low byte High byte Low byte High byte Low byte High byte l Steering angle ID Steering angle Count Status CRC 16 change Identifier 301h 11 bit Steering angle 12 bit word 0 4095 relative to a 0 index point Count 0 0 degrees 4095 359 912 degrees Overflow at 4095 for CW activation shall increment 0 Underflow at 0 for CCW activation shall decrement 4095 byte 0 255 Increments 1 for each message Steering angle change Status byte Programmi mode Difference between 2 transmitted position va
29. fault monitoring systems are triggered by three main events 1 Input signal monitoring The PVES input signal voltage is continuously monitored The permissible range is between 15 and 85 of the supply voltage Outside this range the section will switch into an active error state 2 Transducer supervision If one of the wires to the LVDT sensor is broken or short circuited the section will switch into an active error state 3 Supervision of the closed loop The actual position must always correspond to the demanded position input signal If the actual spool position is further than the demanded spool position gt 12 the system detects an error and will switch into an active error state On the other hand a situation where the actual position is closer to neutral than that demanded will not cause an error state This situation is considered in control When an active error state occurs the fault monitoring logic will be triggered Passive fault monitoring e Adelay of 250 ms before anything happens e The solenoid valve bridge will not be disabled but still control the main spool position e Analarm signal is sent out through the appropriate pin connection no 3 e This state is not memorized When the erroneous state disappears the alarm signal will turn to passive again However the signal will always be active for a minimum of 100 ms when triggered 11068682 Rev CC lt Mar 2012 SAUER 6 DANFOSS System Safety
30. hine frame surfaces where possible This simulates a shield which minimizes the effects of EMI RFI radiation Do not run wires near sharp metal corners Run wires through grommets when rounding a corner Provide strain relief for all wires Avoid running wires near moving or vibrating components Avoid long unsupported wire spans All sensors have dedicated wired power sources and ground returns They should be used Twist sensor lines about one turn every 100 mm 3 94 in Use wire harness anchors that will allow wires to float with respect to the machine frame rather than rigid anchors 11068682 Rev CC lt Mar 2012 SAUER OSPE Steering Valve DANFOSS Technical Information Notes Notes 11068682 Rev CC lt Mar 2012 45 AUER OSPE Steering Valve G r Technical Information Notes Notes 46 11068682 Rev CC lt Mar 2012 SAUER OSPE Steering Valve DANFOSS Technical Information Notes Notes 11068682 Rev CC lt Mar 2012 47 SAUER 6 DANFOSS Products we offer e Bent Axis Motors e Closed Circuit Axial Piston Pumps and Motors e Displays e Electrohydraulic Power Steering e Electrohydraulics e Hydraulic Power Steering e Integrated Systems e Joysticks and Control Handles e Microcontrollers and Software e Open Circuit Axial Piston Pumps e Orbital Motors e PLUS 1 GUIDE e Proportional Valves e Sensors e Steering e Transit Mixer Drives Members of the Sauer Danfoss Group
31. l be disabled Environmental Operating temperature 30 to 85 C 22 to 185 F Storage temperature 40 to 105 C Sealing IP65 EMI RFI Rating 100 V m Vibration Meets IEC 60068 2 64 Shock Meets IEC 60068 2 27 test Ea 11068682 Rev CC lt Mar 2012 41 SAUER OSPE Steering Valve DANFOSS Technical Information Sensor Type SASA Dimensions O r SASA Sensor Taz la I E af 1 1 g S Ji 4 Er S x ang G oo Le 1 Flexible teeth 12 pieces to interact with splines on steering column 2 Cable 500 mm with connector See Code numbers for type of connector 12 0 47 a 84 3 31 gt 11 0 43 R10 5 0 413 2 G N W24 510 965 044 4 7481 G44 3 1 744 240 94 kat min 1410 55 41 5 1 634 150Z05 10 1 Distance plate 2 Shaft 42 11068682 Rev CC lt Mar 2012 S SAUER OSPE Steering Valve DANFOSS Technical Information Installation Sensor Type SASA SASA has to be mounted between steering column and steering unit OSP with 4 bolts max 30 Nem 265 5 Ibfsin Shaft in column must be 15 mm 0 59 in longer when using SASA min 22 4 0 88 17 0 67 Assembly SASA sensor and OSP steering unit 1 SASA sensor 2 OSP steering unit P301 223 0 60 A Caution Make sure that the spline profile of the SASA sensor is aligned to the
32. l programmable module PVED CL the following steering features in electro hydraulic steer mode field mode are possible GPS steering Row sensor camera steering Joy stick or mini st wheel steering Variable steering ratio Speed depending steering ratio This block diagram shows all input devices possible for the PVED CL actuator controller Detailed description is to be found in seperate literature PVED CL User Manual please contact Sauer Danfoss Sales Organization Vehicle speed signal J1939 CAN Feedback Sensor Analogue or CAN Redundant Feedback Analogue or CAN Steering Wheel Sensor SASA CAN Control principle Closed loop Open loop Vehicle Speed Dependent Sensitivity Actuator Dependent Sensitivity Anti Drift knob position control Soft End Stop Anti Jerk Fixed Ramps Times Anti Jerk Speed Dependent Times 12 Control principle High Priority Steering Device e g joystick Analogue or CAN Control principle Closed loop Open loop Vehicle Speed Dependent Sensitivity Actuator Dependent Sensitivity Soft End Stop L Anti Jerk Fixed Ramps Anti Jerk Speed Dependent Times 11068682 Rev CC Mar 2012 Control principle Low Priority Steering Device e g joystick Analogue or CAN Control principle Closed loop Open loop Vehicle Speed Dependent Sensitivity Actuator Dependent Sensitivity Soft End Stop Anti Jerk Fixed Ramp
33. le errors in catalogs brochures and other printed material Sauer Danfoss reserves the right to alter its products without prior notice This also applies to products already ordered provided that such alterations can be made without affecting agreed specifications All trademarks in this material are properties of their respective owners Sauer Danfoss the Sauer Danfoss logotype the Sauer Danfoss S icon PLUS 1 What really matters is inside and Know How in Motion are trademarks of the Sauer Danfoss Group 11068682 Rev CC Mar 2012 SAUER 6 DANFOSS A Wide Range of Steering Components continued Conversion Factors OSPE Steering Valve Technical Information Wide Range of Steering Components For hydrostatic steering systems Sauer Danfoss offers Mini steering units with displacements from 32 to 100 cm rev 1 95 to 6 10 in rev flow up to 20 l min 5 28 US gal min steering pressure up to 125 bar 1813 psi Steering units with displacements from 40 to 1200 cm rev 2 44 to 73 2 in rev flow up to 100 l min 26 4 US gaL min steering pressure up to 240 bar 3481 psi Priority valves for rated flows at 40 80 120 160 and 320 l min 10 6 21 1 31 7 42 3 and 84 5 US gal min pressure up to 350 bar 5076 psi Pilot operated flow amplifiers with amplification factors of 4 5 8 10 or 20 for rated oil flows of 240 and 400 l min 63 4 and 105 7 US gal min steering pressure up to 210 bar 3045 psi Pilot operate
34. lues in succession 16 bit integer with 2 s complementary encoding for negative values 32768 to 32767 4095 359 912 degrees 0 0 degrees 4095 359 912 degrees 7 6 5 4 3 2 1 0 Progamming mode ng Normal state is 1 Response with a 0 when starting the programming sequence See the programming sequence described below under setup message CRC 16 The standard CRC16 polynomial is used x116 x115 x12 1 11068682 Rev CC Mar 2012 39 SAUER 6 DANFOSS Parameter Setup 40 OSPE Steeri ng Valve Technical Information Sensor Type SASA Setup message sensor can be programmed as shown in the CAN setup message below Data OCOh 0 ID Baud rate Data rate CRC 16 1 2 3 4 5 6 7 Low byte High byte Set 0 Programming index sequence Identifier Baud rate Data rate Set 0 index Programming sequence period has messages Timeout period CRC 16 OCOh 11 bit Byte Ois setto 02h for 125 kBaud 03h for 250 kBaud default 04h for 500 kBaud during the programming sequence Byte 1issetto 02h for 5 ms 03h for 10 ms default 04h for 20 ms during the programming sequence If byte 2 is set to AAh during the programming sequence the actual angle will be stored as a reference value 0 degree in persistent memory The following sequence is used when programming the sensor The controller unit sends a setup message where b
35. lve for Mode Select s ede e T ane Te Tais 19 Te E Terminals s Dimensioning Steering System with OSPE Steering Valve 26 EH Directional Spools Of OSPE rennes 27 Pilot pressure relief valve P T Op characteristics 28 Pressure drop P EF for Sauer Danfoss OSPE Valve nn 29 Dimensions s Hydraulic Systems sin mas EEE E REE 32 OSPE in a system with fixed gear pump and GPS steering 32 OSPE in a system with variable pump and GPS steering Emergency Steering esssssssssessssesessssssrsecseeeressssssreree OSPE and system safety PVES and PVED CL A Fault MOMONG resessie A Safety ET L ale Variants and Order Specifications Code numbers for catalog versions with specifications Sensor Type SASA General se Versions Code Numbers and Weights SASA Sensor remets Code Number and Weight SAK Adapter Kit CAN Message Protocol 3 Parameter T Te sissiccsccovescesscsccasesevesvesszsvenssce ssddessstcaveeedaecevtea eubeceveddentesscaueneesvonidaveaduet esdsete icausntdaeveet aventied Technical Data TT DIMENSIONS sasana ENGGAN insin aieiaieo aeaea V e Ea Ca GN WON GENDENG e E GUN GG A NA gag saba pin is SAS SEMIS seb arannana aan aa aab akan as maa a aa etienne tree en gaen a naban anaing SAK Adapter Kit installation TTT Recommended wiring practice sn 11068682 Rev CC Mar 2012 SAUER 6 DANFOSS Survey of Literature with Technical Data on Sauer Danfoss Steering Components
36. n signal of high resolution Integrated pulse width modulation Positioning of the directional spool in PVES is based on the pulse width modulation principle As soon as the directional spool reaches the required position modulation stops and the spool is locked in position 11068682 Rev CC lt Mar 2012 S SAUER DANFOSS OSPE Weights OSPE Steering Valve Technical Information Technical Data The technical data for OSPE are typical measured results For the hydraulic system a mineral based hydraulic oil with a viscosity of 21 mm s 102 SUS and a temperature of 50 C 122 F was used Single range 100 500 cm rev 6 1 30 5 in rev Oil flow rated steering Gear set Dual range 60 120 125 440 cm rev 3 7 7 3 7 6 26 8 in rev Port P EF 250 bar 3625 psi Port LS 210 bar 3045 psi Max pressure Port L R 280 bar 4060 psi Port T 25 bar 362 psi Port P EF 90 l min 23 8 US gal min Port R steering wheel 50 l min 12 2 US gal min Port L R EH steering 12 20 30 or 40 l min 3 2 5 3 7 9 or 10 6 US gal min Spool travel EH directional spool 4mm 0 16 in Dead band EH directional spool nominal 0 8 mm 0 03 in Type Dynamic Priority valve Spring force 7 bar 10 bar optional 100 psi 145 psi op
37. nal and by means of a solenoid valve bridge controls the direction velocity and position of the directional spool of the valve The integrated electronics compensate for flow forces on the spool internal leakage changes in oil viscosity pilot pressure etc This results in lower hysteresis and better resolution Furthermore the electronics enable built in safety like fault monitoring directional indication and LED light indication Set point Solenoid Spool or Spool pos valve bridge piston Feed back signal Transducer 157 503 10 Principle In principle the input signal set point signal determines the level of pilot pressure which moves the main spool The position of the directional spool is sensed in the LVDT transducer which generates an electric feed back signal registred by the electronics The variation between the set point signal and feed back signal actuates the solenoid valves The solenoid valves are actuated so that hydraulic pilot pressure drives the directional spool into the correct position Inductive transducer LVDT Linear Variable Differential Trnasformer When the directional spool is moved a voltage is induced proportional to the spool position The use of LVDT gives contact free monitoring of the directional spool position This means an extra long working life and no limitation as regards the type of hydraulic fluid used In addition LVDT gives precise positio
38. oad mode When EH steering is powered off then OSPE behaves the same as a Reaction unit e Field mode When EH steering is powered on then OSPE behaves the same as a Non reaction unit OSP N e JAPA Fate Lt Lo 4 4 AN n N MA j TA AT O O L T Rr ir P is EH NA LL LL thigh tp PVE Electronics NG gt lt p EF TL IR P301 168 8 11068682 Rev CC Mar 2012 6 SAUER DANFOSS OSPEF LS OSPE Steering Valve Technical Information Versions This version is preferred for rear wheel steered vehicles like e g combines In both modes e Road mode When EH steering is un powered e Field mode When EH steering is powered the steering unit part behaves as a Non reaction steering unit The F spool type is preferred for steering systems where high level of negative steering forces may be present e g articulated steered vehicles
39. ormation Notes Notes 30 11068682 Rev CC lt Mar 2012 SAUER 6 DANFOSS Dimensions L1 L2 Type in mm in OSPE 100 142 5 59 13 0 0 51 OSPE 125 145 5 71 16 2 0 64 OSPE 140 148 5 83 18 6 0 73 OSPE 160 150 5 91 20 8 0 82 OSPE 185 153 6 02 24 0 0 95 OSPE 200 155 6 10 26 0 1 02 OSPE 230 164 6 46 35 1 1 38 OSPE 250 161 6 34 32 5 1 28 OSPE 315 170 6 69 40 9 1 61 OSPE 400 181 7 13 52 0 2 05 OSPE 430 185 7 28 55 9 2 20 OSPE 500 194 7 64 65 0 2 56 OSPE Steering Valve Technical Information Dimensions 65 2 56 127 5 00 111 4 37 71 5 2 81 55 5 2 19 18 0 71 142 5 59 L1 12 L2 Type mm in mm in mm in OSPED 60 120 193 7 60 9 1 0 36 9 1 0 36 OSPED 60 220 210 8 27 9 1 0 36 26 0 1 02 OSPED 70 170 197 7 76 9 1 0 36 13 0 0 51 OSPED 70 320 217 8 54 9 1 0 36 32 5 1 28 OSPED 80 240 206 8 11 10 4 0 41 20 8 0 82 OSPED 80 395 226 8 90 10 4 0 41 40 9 1 61 OSPED 100 260 209 8 23 13 0 0 51 20 8 0 82 OSPED 100 300 214 8 43 13 0 0 51 26 0 1 02 OSPED 125 285 21
40. priority valve spool 15 will change to match the flow demand for EH steering In case an external watch dog registers an unintended steering movement e g due to a false input signal to the PVE the electrical power to the control valve for mode select 12 must be switched off This must be controlled by the watch dog So valve 12 will dump pilot pressure to tank mode select and EH cut off valve 7 will change position so that connection from EH directional valve spool 8 to cylinder ports will be blocked Furthermore it will not be possible to activate the solenoid valve bridge 11 and the PVE will go into stay in neutral position In this way a true safe state is established The non reaction circuit from the OSP part is always connected to L and R cylinder ports independent of position of mode select valve 7 and so OSP steering is always possible 11068682 Rev CC lt Mar 2012 19 6 20 SAUER DANFOSS OSPE Steering Valve Technical Information Function PVES and PVED CL electrical actuation The philosophy of Sauer Danfoss electro hydraulic actuation type PVE is integration of electronics sensors and actuators into a single unit that interfaces directly to the OSPE steering valve body gt TREI en 150H21 10 Closed loop control All the proportional actuators feature an integrated feedback transducer that measures spool movement in relation to the input sig
41. r mode select 13 Pilot reduction valve 12 bar 14 PP damping orifice 15 Priority valve spool 16 Priority valve spring 17 Dynamic orifice 18 Pilot pressure relief valve 19 LS orifice 20 LS check valve 21 PVFC valve LS resolver 22 Neutral spring package for spool sleeve T301 008E 14 OSPE Steering Valve Technical Information Function Neutral position 1 a NE a Q pe So A OA FR S j G mo Tmo a 1 THT GaN A TIH O SR TT CG Ih naa ITR aan oo A L Moo A o M 7 Rr Lr P Ls 8 EH La filet teh 4 __ PE oy posea H 11068682 Rev CC lt Mar 2012 a 1 18 P301 173 SAUER 6 DANFOSS OSPEC LSRM Neutral position OSPE Steering Valve Technical Information Function When the engine is turned off the priority valve spool 15 is pushed to the left by the spring 16 The passage to the EF port is blocked and the passage to CF to the OSP spool sleeve set 3 and to the EH directional valve spool
42. s Anti Jerk Speed Dependent Times Control principle High Priority Set point Controller GPS 1SO11798 CAN Control principle Closed loop Vehicle Speed Dependent Sensitivity P301 022 SAUER OSPE Steering Valve DANFOSS Technical Information Function OSPE Steering Valve The OSPE includes the following main components Designation of OSPE elements Item Description 1 Shock valves 2 Suction valves 3 Spool sleeve set 5 Gear set 7 Mode select and EH cut off valve 8 EH directional valve 9 PVE control unit 10 LVDT transducer 11 Solenoid valve bridge Control valve for mode select Pilot reduction valve 12 bar 14 PP damping orifice 15 Priority valve spool 16 Priority valve spring 17 Dynamic orifice 18 Pilot pressure relief valve 21 PVFC valve LS resolver Neutral spring package for spool sleeve he 4 P301 216 11068682 Rev CC Mar 2012 13 6 SAUER DANFOSS OSPEC LSRM Designation of OSPE elements Item Description 1 Shock valves 2 Suction valves 3 Spool sleeve set 4 Emergency steering check valve 5 Gear set 6 P check valve 7 Mode select and EH cut off valve 8 EH directional valve 9 PVE control unit 10 LVDT transducer 11 Solenoid valve bridge 12 Control valve fo
43. spline profile of the steering column shaft A safe method of assembly is to place SASA sensor on the steering column spline shaft first and not opposite In case of using force there is a risk of bending the spline profile of SASA sensor For use of original steering column use adapter kit type SAK see sketch below Assembly SAK adapter kit SASA sensor and OSP steering unit 1 2 3 4 410 16 min 7 1 0 28 gt 1 Shaft of SAK adapter kit 2 Distance plate of SAK adapter kit 3 SASA sensor 4 OSP steering unit P301 222 11068682 Rev CC lt Mar 2012 43 SAUER 6 DANFOSS Installation continued 44 OSPE Steering Valve Technical Information Sensor Type SASA Electric connection through cable mounted with an AMP Connector AMP type 2 967059 1 Pin 1 CAN Low Pin 2 supply voltage Pin 3 Gnd Pin 4 CAN High Mating connector assembly AMP type 2 965261 1 JPT contacts 2 962915 1 Wire sealing 828904 1 150Z06 10 Recommended wiring practice Protect all wires from mechanical abuse Use a wire gauge that is appropriate for the sensor electrical mating connector Use wire with abrasion resistant insulation Separate high current wires such as feeds to solenoids lights alternators or fuel pumps from control wires Recommended minimum separation is 300 mm 11 8 in Run wires along the inside of or close to metal mac
44. the PVED CL 5V out output e Connecting GND to 5V out AND Vbat to Vbat e Connecting Vbat to 5V out e Short circuit 5V out to GND for more than 5 minutes 11068682 Rev CC lt Mar 2012 SAUER 6 DANFOSS Technical Data Coil of Control Valve for Mode Select Specifications Electrical Specifications Terminals OSPE Steering Valve Technical Information Technical Data 9 D08 16 watt coil e Duty cycle rating 100 100 e Magnet wire insulation Class H 180C 5 B Tz e Ambient temperature 30 to 60 C 2 70 i 22 to 140 F g 60 operating limit z d 2 50 e Diodes are available contact your 3 40 Sauer Danfoss representative E 5 e Environmental protection IP65 to e Input voltage tolerance 10 0 c c sg 10 e All AC coils are internally rectified 55 70 80 90 100 110 120 130 140 Percent Rated Voltage P103 948E 16 watt coils Voltage V Resistance Ohms 5 20 C 72 F Current draw A at 25 C 77 F Color 12 VDC 9 1 33 Grey Amp Junior Timer Code AJ Part number Voltage V Power W Part number 12 VDC 16 D08 16 12D AJ A aa Saal T T 56 6 el All p H L SZ Ae P102 541 Deutsch Code DE Part number l Voltage V Power W Part number T 12VDC 16 D08 16 12D DE
45. the cabin EHPS The possibility of manual steering even on very heavy vehicles EHPS can be combined with Sauer Danfoss PVG 32 proportional valve Minimization of side acceleration with articulated steering Posibility of GPS row sensor joy stick steering and vaiable steering ratio Pen 1034 1Nm 8 851 Ibfein 1cm 0 061 in 1N 0 2248 Ibf 11 0 264 US gal 1bar 14 50 psi F 1 8 C 32 1mm _ 0 0394 in 11068682 Rev CC lt Mar 2012 T301035 SAUER 6 DANFOSS Table of Content Steering valve Type OSPE Versions Function Technical Data Dimensions Hydraulic Systems System Safety Order Specification Code numbers Sensor Type SASA OSPE Steering Valve Technical Information Table of Content A Wide Range of Steering COMPONENTS nr 2 Technical Literature Survey General Overview OSPEC R Re a in ne eine 8 OSPEF LS OSPE Steering VALVE cssaiscssssssonssvactesssensvvectasvecnsvnceeutivestasveneusssentavdansussvvbsvsdendasvsviasveesdasveemssvavedesveedavereasbseedss OSPEC LSRM Neutral position nr OSPEC LSRM Steering right with steering wheel s OSPEC LSRM Steering Right with EH inner PVES and PVED CL electrical actuation sss Weights Technical Data PVES is Technical Data PVED Cliiana annaa k r aana a NANANG NGAEN Hysteresis PVES and DVED CL neee Technical Data PVES and PVED CL Installation PVED CL 00000004 Technical Data Coil of Control Va
46. tional Nominal flow 90 l min 23 8 US gal min ariana 30 gt 60 C 86 gt 140 F Oil temperature Min temperature 30 C 22 F Max temperature 90 C 190 F Ambient temperature 30 gt 60 C 22 gt 140 F Operating range 12 80 mm sec 66 0 370 3 SUS Oil viscosity Min viscosity 10 mm sec 58 9 SUS Max viscosity 460 mm sec 2134 SUS f Max contamination ISO Filtration 4406 21 19 16 Temperature difference between steering unit Max 10 C 50 F and other hydraulics Weight Type Weight Type kg Ib kg Ib OSPE 100 12 7 28 0 OSPED 60 120 14 6 32 2 OSPE 125 12 8 28 2 OSPED 60 220 15 2 33 5 OSPE 140 12 9 28 4 OSPED 70 170 14 8 32 6 OSPE 160 13 0 28 7 OSPED 70 320 15 5 34 2 OSPE 185 13 1 28 9 OSPED 80 240 15 1 33 1 OSPE 200 13 2 29 1 OSPED 80 395 15 8 34 8 OSPE 230 13 5 29 8 OSPED 100 260 15 2 33 5 OSPE 250 13 4 29 5 OSPED 100 300 15 4 34 0 OSPE 315 13 7 30 2 OSPED 125 285 15 3 33 7 OSPE 400 14 1 31 1 OSPED 125 440 16 0 35 3 OSPE 430 14 2 31 3 OSPE 500 14 5 32 0 11068682 Rev CC Mar 2012 21 SAUER OSPE Steering Valve DANFOSS Technical Information Technical Data PVES Technical Data PVED CL 22 Technical Data PVES rated 11V to 32V Supply voltage Usc range 11V to 32V max ripple 5 Current consumption at rated voltage PVES 0 57 A 12 V 0 3 A 24V neutral 0 5 x Une Signal voltage CR port gt CL port 0 25 Unc to 0 75
47. while driving on public roads For details see Technical information PVE Series 4 User Manual PVED CL controller for Electro Hydraulics Steering or contact Sauer Danfoss Technical Support Team 11068682 Rev CC lt Mar 2012 35 SAUER OSPE Steering Valve DANFOSS Technical Information Order Specification Variants and Order Specification Specification table for Sauer Danfoss OSPE steering valve Part Variants Gear set cm3 rev Single 100 125 140 160 185 200 230 250 315 400 430 500 60 120 60 185 60 200 60 220 60 260 60 290 70 140 70 170 70 195 70 230 70 270 70 320 70 385 OSP Dual D type 80 160 80 205 80 240 80 280 80 395 100 200 100 260 100 300 100 415 125 250 125 325 125 440 C dynamic LSRM Load Sensing Reaction Spool sleeve F dynamic LS Non Reaction l Type PVES PVED CC PVED CL Actuation module Connection AMP A Deutsch D Coil for control valve pilot dump Connection AMP A Deutsch D EH directional spool Cylinder flow l min 12 20 30 40 With spool nominal flow l min 60 90 Priority valve Spring force bar 7 10 With out spool No EF port present P flow determined by steering demand only Housing 1 Thread Metric Relief valve Bar 100 210 Shock valves Bar 160 260 1 Housing threads PT amp EF L amp R LS Metric ISO 6149 1 M 22 x 1 5 O S M 18 x 1 5 O S M 1
48. yte 4 is set to AAh and byte 5 is set to 55h The sensor answers with a 0 on the status byte bit 0 The control unit then sends a setup message where byte 4 is set to OFh and byte 5 is set to FOh The first and second message shall match After receiving the last message the programming takes place in the sensor if the parameters are in the defined range the timeout not been exceeded and the CRC 16 check is correct in both After programming the status bit in the output message changes back from 0 to 1 1s between first message from controller and response from sensor and 1s between response from controller and second message from controller The standard CRC16 polynomial is used x116 xA15 x12 1 11068682 Rev CC Mar 2012 SAUER 6 DANFOSS Technical Data OSPE Steering Valve Technical Information Sensor Type SASA Mechanical Input range Continuous 360 rotation Rotor torque lt 0 2 Nm Expected life gt 10 million cycles Electrical Supply voltage 9 32 VDC Power consumption lt 1W Output CAN V2 0B compatible to J1939 Termination resistor 120 ohm optional Baud rate 125 250 or 500 kb s Angle 12 bit word 0 4095 relative to a programmable 0 index point Resolution lt 0 1 Linearity 1 0 Angle change 16 bit integer with 25 complementary encoding for negative values 32768 to 32767 Safety function If a failure occurs the CAN bus will fail silent The CAN bus driver wil
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