External control electronics for the SYDEF1 adjustment of the A10VSO axial piston pump
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- Roderick Cox
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1 External control electronics for the SYDEF adjstment of the A0VSO axial piston pmp RE 04/0.0 Replaces: 04 /0 Type VT 504-X/... Component series X H09_d Table of contents Content Page Featres Ordering code Fnctional description Block circit diagram / Pinot 4 Technical data 6 Electronics card: Display and setting elements 8 Front plate: Display and setting elements, test sockets 9 Unit dimensions 0 Featres Part of the pressre and flow control system SYDFE (component series X, X and X) for the control of the axial piston nit A0VSO... with SYDFE adjstment Implementation of the electronic fnctions of the SYDFE adjstment; pressre and closed-loop swivel angle control; optional power limitation Pressre control circitry can be adjsted and switched to two existing pressre flid volmes (consmer pls lines) Differential amplifier inpts Controller for valve spool position Minimm vale generator for pressre and swivel angle controller Self-timed otpt stage Pressre-depending leakage compensation (can be switched off) Protection against reversed polarity for voltage spply Selectable actal pressre vale inpt (power, voltage, range) 6 LED displays on the front plate for the operating condition Display instrment on the front plate for swivel angle actal vale (optional) Power limitation with internal or external command vale provision (optional)
2 /0 Bosch Rexroth AG Hydralics VT 504-X RE 04/0.0 Ordering code VT 504 X 0 External control electronics for the SYDEF adjstment of the A0VSO axial piston pmp Component series 0 to 9 = X (0 to 9: nchanged technical data and pinot) Additional fnctions: withot power limitation / withot display instrments = withot power limitation / with display instrments = with power limitation / with display instrments = 0 = For swivel angle position sensor IW9 (standard) Standard types Material no Type VT 504-X/-0 VT 504-X/-0 VT 504-X/-0 Recommended accessories Card holder: Type VT 00-X/D, see RE 998 single card holder withot power spply Power spply nit: Type VT-NE-X, see RE 999 compact power spply nit 5/0 VAC 4 VDC Otpt (60 W) for VT-504 spply Otpt (4 W) for the spply of pressre absorbers; e.g. type HM or HM, see RE 99
3 RE 04/0.0 VT 504-X Hydralics Bosch Rexroth AG /0 Fnctional description The analog amplifier VT504-X/... is designed as insertion card in ero format. It is provided with a command vale inpt each for pressre and swivel angle [] as a standard (optional power limitation). The actal pressre vale is measred with a pressre transdcer. The position sensor at the pmp measres the actal vale of the swivel angle. The measred actal vales are processed in amplifier [] and [] and compared with the provided command vales. The minimm vale generator [4] controls that only controller [6] or [0] which is allocated to the reqested operating point is atomatically activated. The otpt signal of the minimm vale generator [4] becomes the command vale for the valve control loop. The optionally available power limitation is atomatically activated by the provision of a sitable command vale. The power command vale can be provided internally or externally. If necessary, it limits the swivel angle command vale by means of a minimm vale generator [5]. The reslting swivel angle command vale can be measred at socket. The actal vale of the valve (position of the valve spool) is measred with an indctive position sensor. The oscillator/demodlator circit [] is responsible for the processing of the signal. The control deviation is generated and processed in the controller for the valve spool position [8]. The otpt signal of the valve controller [8] forms the command vale for the self-timing power otpt stage [9] which controls the proportional magnet of the valve. The amplifier card has a falt message otpt with a voltage of 0 V in case of falt (= low active). At the same time, the "Err." LED flashes. Depending on the jmper J configration, the valve otpt can be sht off in case of an error message. Cases for error messages: Defective internal voltage spply Actal pressre vale is higher than the permissible system pressre (socket : p actal >.5 V) No release signal at port 6c Cable break or exceedance of the range of the swivel angle retrn Cable break or exceedance of the range of the valve spool retrn Pressre absorber cable break (for adjstments ma, V and...0 V) Control error (control difference x controller amplification) is larger than 4 V (40 %) for more than second In case of falt, the electronics can be configred so that the otpt is de-energized and the valve spool is pressed to its mechanical final position. This cases the pmp to swivel back. The error can only be acknowledged by resetting the release signal. [ ] = Allocation to the block circit diagram on page 4 and 5
4 4/0 Bosch Rexroth AG Hydralics VT 504-X RE 04/0.0 Block circit diagram / Pinot p SOLL 0...0V reference 6c 4c [] Pressre command vale Switch T D 0/+4 V p IST V V V...0 V ma ma reference Pressre controller deactivated Master/Slave 0/+4 V SW SOLL SW IST-Master or performance limit V Enable c 8c 0c 8a Version VT504-X/-0 or.../-0 ±0 V reference ±0 V reference 0/+4 V +U B 0 V Shield System grond 5 V M0 +5 V 4c 6c 8c 0c 6c 0a a 8a 6a c 0a a 4a [] FE-contr. ) [] [] R Actal pressre vale Adjstment Single pmp/ combination J 00 % cw J4 R R + + p IST 8 ccw 0 % Performance limits Ub ) Adjstment = = DIV V 0V -5V p IST Leakage compensation SW MAX D S.- D S.4-6 Version VT504-X/-0 Active swivel angle command vale MIN Enable ) 9 0 Pressre control deactivated > +,5 V < - 0,5 V [5] [6] P F Pressre controller & P Swivel angle controller [0] Release of valve otpt Abbreviations for the signals p SOLL p IST Switch T D SW SOLL SW IST SW IST-Master FE contr. Pressre command vale Actal pressre vale Oil volme selection Swivel angle command vale Actal swivel angle vale Master actal swivel angle vale Pressre controller deactivated Fnction of the jmpers and switches on the electronic card see page 8. Meaning of the measring sockets, and display and setting elements (potentiometer) on the front plate see page 9.
5 RE 04/0.0 VT 504-X Hydralics Bosch Rexroth AG 5/0 8a Actal valve vale 6 Command vale of valve 5 p-control ) Release of valve otpt R [8] [9] P [] = J8 OFF i M0 a 4a 6a 6a 8c 0c 4 Valve position sensor ) Proportional magnet ) [4] MIN Actal swivel angle vale 4 [] = > +4 V < -4 V t = sec 4a 0a a 6a () ( ) Swivel angle - sensor IW9 ) 4c p IST V p-ist v-soll -control ) c 6a SW IST ±0 V Swivel angle control active & 8a Power limitation active J9 Power Limiter ) Collective error Version VT504-X/-0 Error actal valve vale Primary Secondary v-ist KB-TP KB-TS J F Compatible with VT 504-X: J = OFF +5V Actal swivel angle vale error <0 V sw-ist KB-IW9 +5 V US a c Error message = HIGH Error message = LOW -5V U+U > V nsym Error ) Diagnosis LEDs on the condctor plate v-soll Persisting control deviation too high v-ist Actal valve vale error - exceeding of range p-ist Actal pressre vale error sw-ist Actal swivel angle vale error - exceeding of range KB-TP Cable break of valve position sensor - primary KB-TS Cable break of valve position sensor - secondary KB-IW9 Cable break of swivel angle position sensor Diagnosis LEDs on the condctor plate +5 V US +5 V ndervoltage (internal power spply nit) nsym Internal voltage spply asymmetric ) LED displays on the front plate (for meaning see page 9) ) For frther information with regard to the connection see operating instrctions RE 00-B
6 6/0 Bosch Rexroth AG Hydralics VT 504-X RE 04/0.0 Technical Data (For applications otside these parameters, please conslt s!) Operating voltage U B 4 V DC % (.6.6 V) Upper limit vale B (t) max 5 V Lower limit vale B (t) min V Crrent consmption I nom (I max ) 0.6 A (.5 A) Analog command vale inpts Pressre p SOLL U e 0 0 V; R e > 50 kω Standard ±0 V; regenerative: 0 0 V; Swivel angle SW SOLL U e R e > 50 kω Power (p SW) max 0 0 V; R e > 50 kω or U e SW ist-master ±0 V, R e > 50 kω Analog actal vale inpts Pressre p IST U e I e V, V; R e > 50 kω V,...0 V; R e > 50 kω ma, ma; R B = 00 Ω Release inpt (PLC) U e > V Analog otpts Otpt stage Solenoid crrent I max.5 A; R 0 = Ω Oscillator Freqency f 5.4 khz Amplitde for IW9 (actal swivel angle vale) U ss V (port a /4a) Amplitde for DM (actal valve vale) U ss.6 V (port 8a) Signal voltage otpts Actal pressre vale U 0 0 V Actal swivel angle vale U 0 V +0 V 00 % % Axiliary voltages for external se U ±(5 V + % 6 %); I max = 0 ma Test sockets, fnction and nmber Pressre command vale (p soll ) U 0 0 V %; R i Actal pressre vale (p ist ) U 0 0 V %; R i Swivel angle command vale (SW soll ) U ±0 V ±00 %; R i Actal swivel angle vale (SW ist ) 4 U ±0 V ±00 %; R i Valve command vale (x_v soll ) 5 U ±0 V ±00 %; R i Actal valve vale (x_v ist ) 6 U ±0 V ±00 %; R i Active swivel angle command vale (SW soll ) U ±0 V ±00 %; R i Performance limit (P max ) 8 U 0 +0 V %; R i Reference 9 and 0 Message otpt Swivel angle control active U U B V (I max = 0 ma) Power limitation active U U B V (I max = 0 ma) Error messages Low-active U U B V (I max = 0 ma); error at U < V High-active U U B V (I max = 0 ma)
7 RE 04/0.0 VT 504-X Hydralics Bosch Rexroth AG /0 Technical Data (For applications otside these parameters, please conslt s!) Type of sensor Swivel angle IW9 (indctive position transdcer) Throttle circit; ±4 mm; condctor port Valve DM (indctive position transdcer) Throttle circit; ±0.6 mm; 4 condctor port Type of connection Compatibility: -pole blade connector; DIN 46; design D Card dimensions Ero board 00 x 60 mm; DIN 4494 Front plate dimensions Height HE (8.4mm) Broad condctor path side TE Broad component side VT 504-X/-0 5 TE VT 504-X/-0 and VT 504-X/-0 TE Admissible operating temperatre range ϑ Storage temperatre ϑ 0 +0 Weight Electronic card withot display m 0.9 kg Electronic card with display m 0. kg
8 8/0 Bosch Rexroth AG Hydralics VT 504-X RE 04/0.0 Electronics card: Display and setting elements Leakage compensation Jmper J6 J Ot OFF OFF 4 % OFF ON 6 % ON OFF 0 % ON ON Valve command vale monitoring In Ot * Jmper J9 ON OFF Regenerative Jmper operation J J5 In ON OFF Ot OFF ON Fnction of Pin 8a ** Jmper J4 Pressre control OFF on/off Master/Slave ON on/off ** Only for versions withot power limitation (VT 504-X/-0 and VT 504-X/-0) OFF (standard) ON * reference for position transdcer OFF (standard) reference for actal pressre vale ( ) Valve deactivation in case of error Jmper J Active OFF * Inactive ON * Compatible with VT 504-X ON OFF Selection for analog inpt at Pin 8c Master actal swivel angle vale External power limitation Jmper J bridge - - P amplification Switch S Jmper pressre controller..8 J 8.0 OFF OFF OFF 4.8 ON OFF OFF 4.0 OFF OFF ON.0 OFF ON ON.4 ON OFF ON.0 ON ON ON Amplification of actal pressre vale -fold -fold Jmper J0 OFF ON Signal adjstment of Switch S actal pressre vale V V OFF OFF OFF OFF OFF OFF ON ON E...0 V OFF OFF OFF OFF ON OFF OFF ON D V OFF OFF ON ON OFF OFF ON ON F V OFF OFF ON ON ON OFF OFF ON B ma ON ON OFF OFF OFF OFF ON ON C ma ON ON OFF OFF ON ON OFF OFF Volme adjstment of pressre controller Inpt Switch T D = Switch S OFF l OFF OFF OFF.5 l OFF ON OFF 0.0 l ON ON OFF 5.0 l ON OFF ON 0.0 l OFF ON ON 5.0 l ON ON ON Inpt Switch T D = ON Switch S l OFF OFF OFF 0.0 l OFF ON OFF 45 l ON ON OFF 60 l ON OFF ON 5 l OFF ON ON 90 l ON ON ON Explanations: ON = Bridge closed OFF = Bridge open = Factory setting Meaning of the measring sockets, and display and setting elements (potentiometer) on the front plate see page 9.
9 RE 04/0.0 VT 504-X Hydralics Bosch Rexroth AG 9/0 Front plate: Display and setting elements, test sockets VT 504-X/-0 VT 504-X/-0 VT 504-X/-0 Ub p-control Ub p-control Ub p-control En. -control En. -control En. -control Err. FE-contr. Err. FE-contr. Err. Power Limiter R R R R R R R VT504 VT504 VT504 LED displays Ub (green) Spply voltage available En. (green) Enable available (Enable) Err. (red) Malfnction/collective error (Error) p-control (yellow) Active pressre control -control (yellow) Swivel angle control active FE contr. (yellow) Pressre controller deactivated Power Limiter (yellow) Power limitation active Adjsting elements (potentiometer) R Zero point of actal pressre vale R Amplification of actal pressre vale R Setting of power limit Zero point of actal valve vale Zero point of actal swivel angle vale Amplification of actal swivel angle vale Measring sockets (R i ) Pressre command vale 0 +0 V Actal pressre vale 0 +0 V Swivel angle command vale ±0 V 4 Actal swivel angle vale ±0 V 5 Valve command vale ±0 V 6 Actal valve vale ±0 V Active swivel angle command vale ±0 V 8 Performance limit 0 +0 V Reference for measred vales Reference for measred vales Display (measring instrment) Display of actal swivel angle vale in %
10 0/0 Bosch Rexroth AG Hydralics VT 504-X RE 04/0.0 Unit dimensions (dimensions in mm) VT 504-X/-0 VT 504-X/()- Ub p-control Ub p-control En. -control En. -control Err. FE-contr. Err. Power Limiter HE (8,4) R R R R R VT504 VT504 6TE (0,5) 8TE (40,6) Bosch Rexroth AG Hydralics Zm Eisengießer 986 Lohr am Main, Germany Phone +49 (0) 9 5 / 8-0 Fax +49 (0) 9 5 / 8-58 docmentation@boschrexroth.de This docment, as well as the data, specifications and other information set forth in it, are the exclsive property of Bosch Rexroth AG. It may not be reprodced or given to third parties withot its consent. The data specified above only serve to describe the prodct. No statements concerning a certain condition or sitability for a certain application can be derived from or information. The information given does not release the ser from the obligation of own jdgment and verification. It mst be remembered that or prodcts are sbject to a natral process of wear and aging.
11 RE 04/0.0 VT 504-X Hydralics Bosch Rexroth AG /0 Notes Bosch Rexroth AG Hydralics Zm Eisengießer 986 Lohr am Main, Germany Phone +49 (0) 9 5 / 8-0 Fax +49 (0) 9 5 / 8-58 docmentation@boschrexroth.de This docment, as well as the data, specifications and other information set forth in it, are the exclsive property of Bosch Rexroth AG. It may not be reprodced or given to third parties withot its consent. The data specified above only serve to describe the prodct. No statements concerning a certain condition or sitability for a certain application can be derived from or information. The information given does not release the ser from the obligation of own jdgment and verification. It mst be remembered that or prodcts are sbject to a natral process of wear and aging.
12 /0 Bosch Rexroth AG Hydralics VT 504-X RE 04/0.0 Notes Bosch Rexroth AG Hydralics Zm Eisengießer 986 Lohr am Main, Germany Phone +49 (0) 9 5 / 8-0 Fax +49 (0) 9 5 / 8-58 docmentation@boschrexroth.de This docment, as well as the data, specifications and other information set forth in it, are the exclsive property of Bosch Rexroth AG. It may not be reprodced or given to third parties withot its consent. The data specified above only serve to describe the prodct. No statements concerning a certain condition or sitability for a certain application can be derived from or information. The information given does not release the ser from the obligation of own jdgment and verification. It mst be remembered that or prodcts are sbject to a natral process of wear and aging.
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