Bosch Rexroth VT-MSFA1 Operating Instructions Manual Download Page 1 | Manualshive

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Operating instructions

RE 30260-B/07.12

English

Booster amplifier

Type VT-MSFA1

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Summary of Contents for Rexroth VT-MSFA1

Page 1: ...Operating instructions RE 30260 B 07 12 English Booster amplifier Type VT MSFA1 ...

Page 2: ...ification It must be remembered that our products are subject to a natural process of wear and aging This document as well as the data specifica tions and other information set forth in it are the exclusive property of Bosch Rexroth AG It may not be reproduced or given to third parties without its consent The cover page shows an example configuration The product supplied may therefore differ from ...

Page 3: ...er amplifier 12 5 2 3 Monitoring functions 14 5 3 Product identification 14 6 Transport and storage 15 6 1 Storing the VT MSFA1 15 7 Assembly 15 7 1 Installation conditions 16 7 2 Necessary tools 17 7 3 Recommended accessories 17 7 4 Assembling the VT MSFA1 17 7 4 1 System specific circuitry of the booster amplifier 18 7 4 2 Connection overview 19 7 4 3 Connection of the power supply unit 20 7 4 4...

Page 4: ...4 28 Bosch Rexroth AG VT MSFA1 RE 30260 B 07 12 16 Appendix 25 16 1 List of addresses 25 16 1 1 Contact person for repair 25 16 1 2 Contact person for support 25 17 Alphabetical index 26 ...

Page 5: ...d amending documentation f f The product must not be commissioned until you have been provided with the documentation marked with the book symbol and you have understood and observed it Table 1 Required and amending documentation Title Document number Document type Booster amplifier RE 30260 Data sheet Capacitor module RE 30750 Data sheet Environmental compatibility statement for the areas EMC cli...

Page 6: ...cifies how the danger can be prevented Table 2 Risk classes according to ANSI Z535 6 2006 Warning sign signal word Meaning DANGER Indicates a dangerous situation which will cause death or severe personal injuries if not avoided WARNING Indicates a dangerous situation which may cause death or severe personal injuries if not avoided CAUTION Indicates a dangerous situation which may cause minor or me...

Page 7: ...documentation when you pass the product on to third parties f f Only operate the VT MSFA1 booster amplifier in a technically immaculate condition and as intended in a safety and risk conscious manner consider ing these instructions f f In case of faults impairing the safety and modifications to the operating behav ior shut down the VT MSFA1 immediately and report the faults to the respon sible per...

Page 8: ...technical training knowledge and experience as well as their understanding of the relevant provisions pertaining to the work to be undertaken An expert must observe the relevant specific professional rules 2 5 General safety instructions Observe the valid regulations on accident prevention and for environmental protection Observe the safety regulations and provisions of the country where the produ...

Page 9: ...plied for the system must be taken into account f f The electronics always causes interference on other electronics which lies within the limit values Thus malfunctions in the control are possible Only use electronics under the EMC limit values or provide for corresponding screening f f The electronics of the VT MSFA1 booster amplifier reacts to electro magnetic interference of unshielded incorrec...

Page 10: ...pt or potential equalization may lead to damage to the electronics Provide for potential equalization for the device Failures and errors in the control circuits or the energy supply Risk of uncontrolled machine movements f f Comply with the safety according to EN ISO 13849 or IEC 62061 CAUTION Hot surfaces Risk of burning f f System parts may become hot during operation Allow the system parts to c...

Page 11: ...d power supply unit and cable sets are not included in the scope of delivery and must be ordered separately See chapter 7 3 Rec ommended accessories on page 17 5 Information on this product 5 1 Performance description The VT MSFA1 booster amplifier is used to control hydraulic on off valves which are to be switched fast The booster amplifier is available in three variants which control different v...

Page 12: ... for operation is available for analysis e g in a PLC Two equivalent switching inputs AND linked are provided for the control of the booster amplifier The booster amplifier has an integrated fast shut down 5 2 1 Block diagram pin assignment U I 0V error ok n c ok 1 2 3 5 6 4 IN1 IN2 UB UBoost UB Uint error UBoost UB Uint DC DC ok DC DC UB 3 4 1 2 7 8 5 6 Fig 1 Block diagram VT MSFA1 1 Power supply...

Page 13: ...rrent profile generator 3 the output stage generates a volt age current profile see figure 2 at the valve solenoid terminal 7 and 8 which leads to overexcitation of the solenoid This overexcitation allows for considerably reduced switching times of the valve Fig 2 Current profile of the VT MSFA1 The output stage outputs terminals 7 and 8 are protected against reversed po larity and short circuit A...

Page 14: ...or holding current can no longer be guaranteed The output stage is deactivated the green Ready for operation LED at the front side goes out and the Ready for operation output is switched off Only if uB t min is exceeded will the output stage be reactivated and the electron ics changes into the fault free operating state Attention After the cause of error has been remedied and a voltage greater tha...

Page 15: ... caused by parts flying around or oil jet spurting out if hydraulic parts or hydraulic lines have not been correctly or completely assembled before application of the pressure f f Depressurize the relevant part of the system before the assembly f f Use sufficiently dimensioned connection threads with sealing points f f Have the assembly performed by an expert according to these instructions and ch...

Page 16: ...hielded EMC housing control cabinet All lines leading outwards are to be shielded whereas complete shielding is required Interference Risk of impairment of other devices f f Use shielded signal lines and or solenoid conductors and the VT NE30 power supply unit or comparable for the VT MSFA1 in order to satisfy the EMC requirements Overheating The device might be destroyed f f Provide for sufficien...

Page 17: ...t Material number Capacitor module VT11110 1X R900020293 Compact power supply unit VT NE30 2X R901082348 7 4 Assembling the VT MSFA1 f f For the assembly observe the notices regarding applied standards and ap plication conditions in the data sheet f f Do not lay solenoid conductors and signal lines near power cables f f Used shielded cables EMC compatible for signal and valve lines f f Do not use ...

Page 18: ... pres sure prevents loosening of the module housing from the carrier rail f f For loosening the module push the foot latch downwards Carrier rail TH35 7 5 according to EN 60715 Foot latch for fixing the amplifier module at the carrier rail For loosening the module push the screwdriver into the foot latch opening and push it in the direction of the arrow Fig 5 Assembling disassembling the booster a...

Page 19: ...cluded by the system project planner according to the accepted state of the art and best safety possible The VT MSFA1 booster amplifier has 4 inputs and 3 outputs on 8 terminals 1 2 3 4 5 6 7 8 OK MSFA1 1 4 5 8 Terminals Plug in screw connectors Plug in screw connectors Fig 6 Booster amplifier front view Table 6 Overview of the terminals Terminal Terminal designation Type Comment Supply line from ...

Page 20: ...the power supply unit NOTICE Dangerous electrical voltage Risk of injury f f Make sure that the 24 V DC input voltage satisfies the requirements of safe isolation If possible design the system circuit so that the booster amplifier and all coupled components are always switched on together The VT MSFA1 booster amplifier uses the applied operating voltage to create the internally externally required...

Page 21: ...er amplifier to the superior control system a total of 2 switching inputs and 1 Ready for operation output are available Table 9 Terminal assignment to the control system Terminal Pin Allocation Explanation 1 2 3 4 3 IN1 Activation of output stage both signals are internally AND linked 4 IN2 5 6 7 8 5 Ready for operation HIGH as soon as the internal power supply unit works and no errors are availa...

Page 22: ...evice the device must be disconnected from the voltage source or reliably de energized Damaged devices due to incorrect installation are not covered by the warranty f f Observe protection class voltage supply and environmental conditions ac cording to data sheet RE 30260 f f Before commissioning make sure that all the seals and caps of the plug in connections are installed correctly and undamaged ...

Page 23: ...nnections for correct seat and damage at least once per year Check lines for break or squeezing f f Have defective or damaged parts exchanged immediately 10 3 Repair The VT MSFA1 booster amplifier can only be exchanged as whole unit For safety reasons modifications at the VT MSFA1 performed to one s own author ity are not admissible Repair and maintenance works may only be performed by Bosch Rexro...

Page 24: ... the packaging material could lead to environmental pollution f f Thus dispose of the VT MSFA1 and the packaging material in accordance with the national regulations in your country and recycle the material if possible 13 Extension and modification The VT MSFA1 booster amplifier must neither be extended nor converted If you convert the VT MSFA1 warranty will expire 14 Troubleshooting 14 1 How to p...

Page 25: ...et a clear idea of the cause of the error Ask the direct machine operator If you could not remedy the occurred error please contact one of the addresses you find at www boschrexroth com or in the list of addresses in the appendix 15 Technical data You can find the technical data in the data sheet RE 30260 16 Appendix 16 1 List of addresses 16 1 1 Contact person for repair Bosch Rexroth AG Service ...

Page 26: ...nstallation conditions 16 Intended use 7 L List of addresses 25 M Maintenance 23 Maintenance and repair 23 Monitoring functions 14 O On off valve Connection 21 Operation 22 Output stage 13 P Paragraph formats Heading2 11 Performance description 11 Pin assignment 12 Plug in screw connectors 21 Power supply unit 12 Connection 20 Product and technology dependant safety instructions 9 Product descript...

Page 27: ...27 28 Bosch Rexroth AG VT MSFA1 RE 30260 B 07 12 Alphabetical index ...

Page 28: ...Bosch Rexroth AG Zum Eisengießer 1 97816 Lohr a Main Germany Phone 49 0 9352 18 0 info boschrexroth de www boschrexroth com Subject to change without notice Printed in Germany RE 30260 B 07 12 ...

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