External control electronics for the SYDFE1 control of the A10VSO axial piston variable displacement pump
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- Mervin Glenn
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1 + (0) External control electronics for the SYDFE control of the A0VSO axial piston variable displacement pmp Type VT 0 RE 0 Edition: 0-0 Replaces:. Component series X Analog, Ero-card format Part of the SYDFE pressre and flow control system (component series X, X and X) for the control of the axial piston variable displacement pmp A0VSO... with SYDFE control via valve VT-DFP...X H09 Featres Implementation of the electronic fnctions of the SYDFE control; pressre and swivel angle control; optional power limitation Pressre controller circitry can be adjsted and switched to two existing hydralic flid volmes (actators pls lines) Differential amplifier inpts Controller for valve spool position Minimm vale generator for pressre and swivel angle controller Self-timed otpt stage Pressre-dependent leakage compensation (can be switched off) Reverse polarity protection for voltage spply Switchable actal pressre vale inpt (crrent, voltage, range) LED displays on the front plate for the operating state Display instrment on the front plate for actal swivel angle vale (optional) Power limitation with internal or external command vale presetting (optional) Contents Featres Ordering codes Fnctional description Block diagram/pin assignment Technical data Electronic card: Display and adjstment elements 8 Front plate: Display and adjstment elements, measring sockets 9 Dimensions 0 Bosch Rexroth AG, RE 0, edition: 0-0 Hyqip Limited New Brnswick Street Horwich Bolton Lancashire BL JB UK
2 + (0) /0 VT 0 Control electronics Ordering codes VT 0 X / 0 0 External control electronics for the SYDFE control of the A0VSO axial piston variable displacement pmp VT 0 0 Component series 0 to 9 (0 to 9: Unchanged technical data and pin assignment) X Additional fnctions 0 Withot power limitation/withot display instrment Withot power limitation/with display instrment With power limitation/with display instrment 0 For IW9 swivel angle sensor (standard) 0 Preferred types Material no Type VT 0-X/-0 VT 0-X/-0 VT 0-X/-0 Recommended accessories Card holder: Open card holder VT 00--X/D (see data sheet 998) Power spply nit: Type VT-NE-X, see data sheet 999 Compact power spply nit /0 VAC VDC Otpt (0 W) for VT-0 spply Otpt ( W) for the spply of pressre transdcers; e.g. type HM or HM, see data sheet 99 Bosch Rexroth AG, RE 0, edition: 0-0 Hyqip Limited New Brnswick Street Horwich Bolton Lancashire BL JB UK
3 + (0) Control electronics VT 0 /0 Fnctional description The analog control electronics VT0-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 transdcer at the pmp measres the actal swivel angle vale. The measred actal vales are processed in amplifier [] and [] and compared with the provided command vales. The minimm vale generator [] controls that only controller [] or [0] which is allocated to the reqested operating point is atomatically activated. The otpt signal of the minimm vale generator [] 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 []. The reslting swivel angle command vale can be measred at socket. The actal valve vale (position of the valve spool) is measred with an indctive position transdcer. An oscillator/demodlator switch [] enhances 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 solenoid of the valve. The control electronics is eqipped with a falt message otpt where a voltage of 0 V is applied in case of error (= low-active). At the same time, the "Err." LED flashes. Depending on the jmper J configration, the valve otpt can be de-energized in case of an error message. Cases for error messages: Defective internal voltage spply The actal pressre vale is greater than the admissible system pressre (socket : p act >. V) No enable signal at port c Cable break or range of the swivel angle retrn exceeded Cable break or range of the valve spool retrn exceeded Cable break "pressre transdcer" (for adjstments...0 ma, 0... V and...0 V) Control error (control difference x controller amplification) is greater than V (0%) for more than second In case of error, the electronics can be configred so that the otpt stage is de-energized and the valve spool is pressed to its mechanical end position. This cases the pmp to swivel back. The error can only be acknowledged by resetting the enable signal. [ ] = assignment to the block diagram on page and RE 0, edition: 0-0, Bosch Rexroth AG Hyqip Limited New Brnswick Street Horwich Bolton Lancashire BL JB UK
4 + (0) /0 VT 0 Control electronics Block diagram/pin assignment p SOLL V Reference c c [] Pressre command vale Switch T D 0/+ V p IST 0... V V 0... V...0 V ma...0 ma Reference Pressre controller deactivated Master/slave 0/+ V SW SOLL SW IST-Master or power limit V Enable c 8c 0c 8a Version VT0-X/-0 or.../-0 ±0 V Reference ±0 V Reference 0/+ V +U B 0 V Shield System grond V M0 + V c c 8c 0c c 0a a 8a a c 0a a a [] FE-contr. ) Actal pressre vale Adjstment J R R D S.- [] Adjstment + Active swivel angle + command vale Single pmp/ combination [] MIN J 00 % 8 cw + R ccw + DIV SW MAX p 0 % IST Power limit Version VT0-X/-0 Ub ) = = +V 0V -V p IST Leakage compensation D S.- Enable ) > +, V < - 0, V 9 0 Pressre control deactivated [] [] P F Pressre controller & P Swivel angle controller [0] Enable valve otpt stage Abbreviations for the signals p SOLL Pressre command vale p IST Actal pressre vale Switch T D Oil volme selection SW SOLL Swivel angle command vale SW IST Actal swivel angle vale SW IST-Master Actal master swivel angle vale FE contr. Pressre controller disabled For the fnction of the jmpers and switches on the electronic card see page 8. For the meaning of the measring sockets, and display and adjstment elements (potentiometer) on the front plate, see page 9. Bosch Rexroth AG, RE 0, edition: 0-0 Hyqip Limited New Brnswick Street Horwich Bolton Lancashire BL JB UK
5 + (0) Control electronics VT 0 /0 8a Actal valve vale Command vale of valve p-control ) Enable valve otpt stage R = [8] [9] P [] J8 = ON i M0 a a a a 8c 0c J8 = ON: Compatible with VT 0-X Valve position sensor ) Proportional solenoid ) [] MIN > + V < - V Actal swivel angle vale t = sec [] = a 0a a a () ( ) Swivel angle sensor IW9 ) c p IST V p-ist v-soll -control ) c a SW IST ±0 V Swivel angle control enabled & 8a Power limitation active J9 Power Limiter ) Collective error Version VT0-X/-0 Actal valve vale error Primary Secondary +V Actal swivel angle vale error <0 V v-ist KB-TP KB-TS sw-ist KB-IW9 + V US J F Compatible with VT 0-X: J = OFF a c Error message "= HIGH" Error message "= LOW" -V U+U > V nsym Error ) Diagnostic LEDs on the printed circit board v-soll Persisting control deviation is too great v-ist Actal valve vale error - exceeding of range p-ist Actal pressre vale error sw-ist Actal swivel angle vale error - exceeds range KB-TP Valve position sensor cable break - primary KB-TS Valve position sensor cable break - secondary KB-IW9 Swivel angle position sensor cable break + V US + V ndervoltage (internal power spply nit) nsym Internal voltage spply is asymmetric ) LED displays on the front plate (for meaning see page 9) ) For frther information with regard to the connection, see operating instrctions 00-B RE 0, edition: 0-0, Bosch Rexroth AG Hyqip Limited New Brnswick Street Horwich Bolton Lancashire BL JB UK
6 + (0) /0 VT 0 Control electronics Technical data (for applications otside these parameters, please conslt s.) Operating voltage U B V DC + 0 0% (.. V) Upper limit vale B(t) max V Lower limit vale B(t) min V Crrent consmption I rated (I max) 0. A (. A) Analog command vale inpts Pressre p SOLL U e 0 0 V; R e > 0 kω Standard ±0 V; regenerative: 0 0 V; Swivel angle SW SOLL U e R e > 0 kω Power (p SW) max 0 0 V, R e > 0 kω or U e SW IST-Master ±0 V, R e > 0 kω Analog actal vale inpts U e 0... V, V; R e > 0 kω Pressre p IST 0... V,...0 V; R e > 0 kω I e ma,...0 ma; R B = 00 Ω Enable inpt (PLC) U e > V Analog otpts Otpt stage Solenoid crrent I max. A; R 0 = Ω Oscillator Freqency f. khz Amplitde for IW9 (actal swivel angle vale) U ss V (port a /a) Amplitde for DM (actal valve vale) U ss. 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 ±( V + % %); I max = 0 ma Measring sockets, fnction and nmber Pressre command vale (p SOLL) U 0 0 V 0 +00%; R i = kω Actal pressre vale (p IST) U 0 0 V 0 +00%; R i = kω Swivel angle command vale (SW SOLL) U ±0 V ±00%; R i = kω Actal swivel angle vale (SW IST) U ±0 V ±00%; R i = kω Valve command vale (x_v soll) U ±0 V ±00%; R i = kω Actal valve vale (x_v ist) U ±0 V ±00%; R i = kω Active swivel angle command vale U ±0 V ±00%; R i = kω Power limit (P max) 8 U 0 +0 V 0 +00%; R i = kω Reference 9 and 0 Message otpts Swivel angle control enabled 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) Type of sensor Swivel angle IW9 (indctive position transdcer) Throttle circit; ± mm; -condctor connection Valve DM (indctive position transdcer) Transformer circit; ±0. mm; -condctor connection Bosch Rexroth AG, RE 0, edition: 0-0 Hyqip Limited New Brnswick Street Horwich Bolton Lancashire BL JB UK
7 + (0) Control electronics VT 0 /0 Technical data (for applications otside these parameters, please conslt s.) Type of connection Compatibility pin male mltipoint connector; DIN ; design D Card dimensions Ero-card 00 x 0 mm; DIN 9 Front plate dimensions Height HE (8. mm) Condctor path side width TE Component side width VT 0-X/-0 TE VT 0-X/-0 and VT 0-X/-0 TE Operating temperatre range 0 +0 C Storage temperatre range 0 +0 C Weight Electronic card withot display m 0.9 kg Electronic card with display m 0. kg RE 0, edition: 0-0, Bosch Rexroth AG Hyqip Limited New Brnswick Street Horwich Bolton Lancashire BL JB UK
8 + (0) /0 VT 0 Control electronics Electronic card: Display and adjstment elements Leakage Jmpers compensation J J Off OFF OFF % OFF ON % ON OFF 0% ON ON v-soll KB-TS KB-TB KB-IW9 p-ist v-ist nsym sw-ist Valve command vale monitoring On Off * US +V Jmpers J9 ON OFF OFF ON * (standard) Reference for position transdcer Diagnostic LEDs For a description, see page and the operating instrctions 00-B Regenerative Jmpers operation J J On ON OFF Off OFF ON Fnction Jmpers pin 8a ** J Pressre control OFF on/off Master/slave ON on/off ** Only for versions withot power limitation (VT 0-X/-0 nd VT 0-X/-0) OFF (standard) Reference for actal pressre vale ( ) Valve deactivation in case of error Jmpers J Active OFF * Inactive ON ON * Compatible with VT 0-X OFF Selection for analog inpt at pin 8c Actal master swivel angle vale External power limitation Jmpers J Bridge - - Pressre controller Switch S Jmpers p amplification..8 J 8.0 OFF OFF OFF.8 OFF ON OFF.0 OFF OFF ON.0 OFF ON ON. ON OFF ON.0 ON ON ON Actal pressre vale amplification -fold -fold Jmpers 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 0... V OFF OFF ON ON OFF OFF ON ON F 0... V OFF OFF ON ON ON OFF OFF ON B ma ON ON OFF OFF OFF OFF ON ON C...0 ma ON ON OFF OFF ON ON OFF OFF Volme adjstment of pressre controller Inpt switch T D Switch S = OFF....0 l OFF OFF OFF. l OFF ON OFF 0.0 l ON ON OFF.0 l ON OFF ON 0.0 l OFF ON ON.0 l ON ON ON Inpt switch T D = ON Switch S.... l OFF OFF OFF 0.0 l OFF ON OFF l ON ON OFF 0 l ON OFF ON l OFF ON ON 90 l ON ON ON Explanations: ON = bridge closed OFF = bridge open = factory setting For the meaning of the measring sockets, and display and adjstment elements (potentiometer) on the front plate, see page 9. Bosch Rexroth AG, RE 0, edition: 0-0 Hyqip Limited New Brnswick Street Horwich Bolton Lancashire BL JB UK
9 + (0) Control electronics VT 0 9/0 Front plate: Display and adjstment elements, measring sockets VT 0-X/-0 VT 0-X/-0 VT 0-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 VT0 VT0 VT0 LED displays Ub (green) Spply voltage available En. (green) Enable available Err. (red) Falt/collective error p-control (yellow) Pressre control enabled -control (yellow) Swivel angle control enabled FE contr. (yellow) Pressre controller disabled Power Limiter (yellow) Power limitation active Adjstment elements (potentiometer) R Zero point of actal pressre vale R Actal pressre vale amplification R Setting of the 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 = kω) Pressre command vale 0 +0 V Actal pressre vale 0 +0 V Swivel angle command vale ±0 V Actal swivel angle vale ±0 V Valve command vale ±0 V Actal valve vale ±0 V Active swivel angle command vale ±0 V 8 Power limit 0 +0 V Reference for measred vales Reference for measred vales Display (measring instrment) Display of actal swivel angle vale in % RE 0, edition: 0-0, Bosch Rexroth AG Hyqip Limited New Brnswick Street Horwich Bolton Lancashire BL JB UK
10 + (0) /0 VT 0 Control electronics Dimensions (dimensions in mm) VT 0-X/-0 VT 0-X/()- Ub p-control Ub p-control En. -control En. -control Err. FE-contr. Err. Power Limiter HE (8,) R R R R R VT0 VT0 TE (0,) 8TE (0,) 8 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. Bosch Rexroth AG, RE 0, edition: 0-0 Hyqip Limited New Brnswick Street Horwich Bolton Lancashire BL JB UK
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