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About this documentation

Bosch Rexroth AG

, Valve amplifier VT-MRPA1, RE 30220-B/05.2019

 

•

Consequences:

 describes the consequences in case of non-observance

 

•

Precaution:

 specifies how the hazardous situation can be prevented

Tabelle 2: Hazard Classifications according to ANSI Z535.6-2011

Warning sign, signal word

Meaning

DANGER

Indicates a hazardous situation which, if not avoided, will 
certainly result in death or serious injury.

 

WARNING

Indicates a hazardous situation which, if not avoided, could 
result in death or serious injury.

 

CAUTION

Indicates a hazardous situation which, if not avoided, could 
result in minor or moderate injury.

NOTICE

Damage to property: The product or the environment could 
be damaged.

1.3.2  Symbols

The following symbols indicate notices which are not safety-relevant but increase the 
comprehensibility of the documentation.

Tabelle 3: Meaning of the symbols

Symbol

Meaning

If this information is disregarded, the product cannot be used or operated 
in an optimum manner.

 

▶

 

Individual, independent action

1. 
2. 
3. 

 

Numbered instruction:
The numbers indicate that the actions must be carried out one after the 
other.

1.3.3  Designations

The following designations are used in this documentation:

Tabelle 4: Designations

Term

Meaning

Electronics

Command value cards, amplifiers, and controls manufactured by Bosch 
Rexroth

1.3.4  Abbreviations

The following abbreviations are used in this documentation:

Tabelle 5: Abbreviations

Abbreviation

Meaning

ANSI

American National Standards Institute

EMC

E

lectro

m

agnetic 

c

ompatibility

PELV

Protective Extra Low Voltage

Содержание REXROTH VT-MRPA1-2X

Страница 1: ...Operating instructions RE 30220 B 05 2019 Replaces 09 2019 English Valve amplifier for proportional directional valve type 2WFC VT MRPA1 Component series 2X HAD_8144 ...

Страница 2: ...ser from the obligation of own judgment and verification Our products are subject to a natural process of wear and aging Bosch Rexroth AG 2016 All rights reserved also regarding any disposal exploitation reproduction editing distribution as well as in the event of application for industrial property rights The cover shows an example configuration The product supplied may differ from the solution s...

Страница 3: ... 12 5 1 Identification of the product 12 6 Transport and storage 13 6 1 Storing electronic products 13 7 Installation 13 7 1 Required tools 14 7 2 Recommended accessories 14 7 3 Installation conditions 14 7 3 1 Place of installation 14 7 4 Installing und connecting the VT MRPA1 2X 14 7 5 Connecting the supply voltage 15 7 5 1 Shielding 16 1 1 1 General notes on shielding 16 7 5 2 Connecting the in...

Страница 4: ...d tools 29 11 2 Preparing demounting 29 11 3 Demounting 29 11 4 Preparations for storage and further use 30 12 Disposal 31 12 1 Environmental protection 31 12 2 Return to Bosch Rexroth AG 31 12 3 Packaging 31 12 4 Materials used 31 12 5 Recycling 31 13 Extension and modification 32 14 Troubleshooting 32 14 1 How to proceed for troubleshooting 32 15 Technical data 32 16 Annex 33 16 1 List of addres...

Страница 5: ...red and supplementary documentation 1 3 Representation of information In order that this documentation allows you to work directly and safely with your product standardized safety notes symbols terms and abbreviations are used For a better understanding they are explained in the following sections 1 3 1 Safety instructions This documentation contains safety notes in chapter 2 6 Product specific sa...

Страница 6: ...nvironment could be damaged 1 3 2 Symbols The following symbols indicate notices which are not safety relevant but increase the comprehensibility of the documentation Tabelle 3 Meaning of the symbols Symbol Meaning If this information is disregarded the product cannot be used or operated in an optimum manner Individual independent action 1 2 3 Numbered instruction The numbers indicate that the act...

Страница 7: ... to data sheet RE 30220 While adhering to the given performance limits In the original condition without damage Repairs by customers are not permitted The product is intended exclusively for professional use and not for private usage Operation according to the intended use also implies that you have read and understood this documentation completely especially chapter 2 Safety instructions 2 3 Impr...

Страница 8: ...schrexroth com 2 5 General safety instructions Observe the valid regulations on accident prevention and environmental protection Observe the safety regulations and provisions of the country in which the product is used applied Exclusively use Bosch Rexroth products in technically perfect condition Observe all notices on the product Persons who install commission operate demount or maintain Bosch R...

Страница 9: ...movements of the machine Ensure proper grounding and provide equipotential bonding Using the product outside the specified IP protection class can result in short circuit and malfunction and hence in uncontrolled machine movements Therefore use the product only within the IP protection class and in environments as specified in the data sheet Provide safety functions for personal safety separately ...

Страница 10: ...ult currents and short circuits Impairment of safety and malfunction Keep the surroundings free from electrically conductive contamination acids bases corrosive agents salts metal vapors etc and do not expose the device to these substances Generally rule out any deposits according to protection class IP 2 7 Personal protective equipment Check determined personal protective equipment for completene...

Страница 11: ... of malfunction The distance to radio sources must be sufficiently large 1 m In the case of strongly fluctuating operating voltage it may be necessary to use an external smoothing capacitor in individual cases Emitted interference Risk of affecting other devices Use shielded signal and solenoids cables in order that EMC requirements are fulfilled Overloading Risk of overloading and damage to the s...

Страница 12: ... of addresses on page 33 5 About this product You can find information on the product and its performance in the data sheet of your electronics The data sheet and further information can be found at www boschrexroth com VT MRPA1 5 1 Identification of the product The most important data of the product are given on a label or are printed directly at the side of the product 1 Word mark 2 Material sho...

Страница 13: ... with housing water may condense within the housing Let the electronics acclimate itself for several hours as otherwise water may condense in the housing The electronics are provided with cooling slots According to the specified protection class dirt and fluids may easily enter and cause malfunction and short circuit Reliable operation is thus no longer ensured When working on the electronics obse...

Страница 14: ...re intended for installation in control cabinets Outdoor installation is not permitted 7 4 Installing und connecting the VT MRPA1 2X The dimensions of valve amplifier VT MRPA1 2X are given in data sheet RE 30220 The installation orientation is vertical Observe the required mounting distances The distance to covers and walls must be at least 2 cm At ambient temperatures above 50 C provide a minimum...

Страница 15: ... of electromagnetic disturbance are used e g frequency converter malfunction may occur Avoid the installation of the VT MRPA1 2X in the direct vicinity to sources of disturbance The distance to aerial lines radio sources and radar equipment must be at least 1 m Do not lay signal cables near power cables The system ground is an essential integral part of EMC protection of the VT MRPA1 2X Here inter...

Страница 16: ...ding of the VT MRPA1 2X 1 1 1 General notes on shielding Install signal and power cables as far away from each other as possible and do not install them in parallel Do not route signal cables through strong magnetic fields Lay signal lines as continuously as possible If intermediate terminals are required the shield must be dealt with separately Install power cables consisting of two individual wi...

Страница 17: ...ed wires shielded 0 25 to 2 5 50 Solenoid cable 20 Shielded 1 0 to 1 5 50 1 5 to 2 5 Operating voltage 20 Unshielded 1 0 to 1 5 50 1 5 to 2 5 Position transducer 30 Twisted wires shielded 0 5 to 2 5 50 Tabelle 8 Clamping range rated connection Min Max Rigid 0 2 mm 2 5 mm Flexible 0 2 mm 2 5 mm Flexible with wire end ferrule 0 25 mm 2 5 mm The length to be stripped is 10 mm each 7 5 2 Connecting th...

Страница 18: ...er in the voltage supply of the frequency converter Motor control lines shielded and installed separately from other cables and or output filter for motor cables Extensive contact of the frequency converter housing to the rear wall of the control cabinet 8 Commissioning NOTICE Uncontrolled plugging and unplugging of connectors The device might be destroyed Before plugging or unplugging connectors ...

Страница 19: ... Solenoid cable break Short circuit of solenoid Position transducer cable break Test jacks Position controller Enable Solenoid cable break Short circuit of solenoid Demodulator Position trans ducer cable break Sine oscillator Position transducer 1 Power supply unit 2 Differential amplifier 3 Command value summator 4 Zero point adjustment 5 Simple ramp 6 2 quadrant ramp 7 Command value attenuator 8...

Страница 20: ...tting of parameter values 4 Rotary switch Selection of the valve size 5 Test jacks 8 2 1 Status LEDs Permanently on Flashing Flickering OFF Enable input t Ramp Z Command value zero point G Command value attenuator x Actual value Ready for operation 1st quadrant positive command value increasing 2nd quadrant positive command value falling 4 8 5 1 6 2 7 3 12 9 10 11 Set t Z G x x w v T Valve Select ...

Страница 21: ...pert Rotary switch position Size t Z G 2Q t1 t2 Zx Gx 0 No selection 1 2WFC16 1X 2 2WFC25 1X 3 2WFC32 1X 4 2WFC40 1X 5 2WFC50 1X When the rotary switch is set to position 0 the LEDs signal the status shown on the left The yellow LEDs rotate clockwise in pairs Indicator lamps Operational state Display mode Meaning LED Enable yellow Normal operation Permanently ON OFF Status of enable input Setup Fl...

Страница 22: ...f the valve size saved last Remedy If you wish to change the valve size remove the command value and the enable set the new size press key Set 1 sec and accept the new valve size If the rotary switch position was changed accidentally reset it to the original valve size The ready LED is lit green In both cases check the actually connected valve and its size Whenever a valve size is changed all chan...

Страница 23: ...can be found in chapter 8 5 2 Explanation of menu level Expert mode t Z G x Set Set Set Set Set Set Set Set Set Set Set Set Set Set Set Set 4 8 5 1 6 2 7 3 12 9 10 11 Set t Z G x x w v T Valve Select 0 9 8 7 6 5 4 3 2 1 16 13 14 15 MRPA1 t Z G x t Z G x t Z G x t Z G x t Z G x Command value zero point Z Run 1 sec Editable parameter level Simple ramp t Ramp time Zero point Command value attenuator ...

Страница 24: ...table parameter simple ramp see Abb 5 1 Press Set to edit the selected parameter 2 Press or to change the set value Set values can be checked with the help of a multimeter Every set value stands for a voltage output or a percentage value at the connected multimeter The assignments are listed in the tables in chapters 8 5 1 and 8 5 2 output at test jack If while a parameter is set no key is pressed...

Страница 25: ... V 8 5 2 Explanation of menu level Expert mode The order in which the parameters below are listed corresponds to the order on the device LED Ready lights green LED is blinking yellow Parameter LED indicator lamps Description Editable parameter Output at test jack v Simple ramp t t Z G x t t t Ramp time 0 10 ms 1000 ms 0 10 mV 1 00 V 1 s V 1 s 5 s 1 0 V 5 0 V 1 s V 5 s 30 s U 0 2 V s t 4 V Command ...

Страница 26: ...x Actual value sensitivity 90 110 0 90 V 1 1 V 1 Ramp times effective only when 2Q operating mode is activated 8 6 Restoring the VT MRPA1 2X to factory settings This function is available exclusively directly upon switching on the operating voltage It resets all customer specific parameters of the set valve size to factory settings The module has to be de energized 1 Press Set hold it depressed fo...

Страница 27: ...red Normal indication Normal indication Switched off Switched off 4 V Overcurrent command value 4 20 mA 1 Icomm ca 35 mA Permanently on red Normal indication Normal indication Switched off Switched off 4 V Solenoid cable break Error is only recognized when 3 5 Permanently on red Normal indication Normal indication Normal operation Switched off 5 V Break of position transducer cable Single wire rec...

Страница 28: ...and clamped connections at least once a year for correct fit and damage Check cables for rupture and crushes Have damaged or defective cables replaced immediately Clean housing parts with a dry and dust free cloth 10 2 Inspection and maintenance Maintenance of Bosch Rexroth electronics is restricted to the points described under chapter 10 1 Cleaning and care above 10 3 Repair Bosch Rexroth electr...

Страница 29: ...on the components must be switched off de pressurized de energized and secured against restarting NOTICE Electric arc and short circuit Risk of destruction of system components Put plug in connectors down in a way that no short circuit fault can occur Decommission the entire system as described in the general instructions for the system In any case bring the system to a safe state shut it down dep...

Страница 30: ...arations for storage and further use Proceed as follows in order to prepare electronics from Bosch Rexroth for storage and further use Whenever possible use the original packaging for storage Observe the permissible storage temperature range given in data sheet RE 30220 Protect against dust and humidity ...

Страница 31: ...he materials for disposable packaging are mostly cardboard wood and expanded polystyrene They can be recycled without any problems For ecological reasons disposable packaging should not be used for returning products to Bosch Rexroth 12 4 Materials used Electronic components from Bosch Rexroth do not contain any hazardous substances that could be released during intended use In the normal case no ...

Страница 32: ...f error First obtain a general overview of how your device works in conjunction with the entire system Try to determine whether the device worked properly in conjunction with the entire system before the troubles occurred Try to determine any changes of the entire system in which the device is integrated Were there any changes to the product s operating conditions or operating range Were there any...

Страница 33: ...0 60 E mail service boschrexroth de Outside Germany you will find service subsidiaries in your vicinity on the Internet at www boschrexroth com Bosch Rexroth AG Zum Eisengießer 1 97816 Lohr am Main Germany Phone 49 0 9352 40 30 20 E mail my support boschrexroth de The addresses of our sales and service network and sales organizations can be found at www boschrexroth com addresses Contact for servi...

Страница 34: ...perty and damage to the product 11 Installation 13 14 Installation conditions 14 Intended use 7 L LED 20 LED indicator lamps 20 List of addresses 33 M Maintenance 28 Materials 31 Menu 23 Menu structure 23 O Operating and display elements 20 Operation 27 P Packaging 31 Parameter setting 24 26 Personal protective equipment 10 Place of installation 14 Product description 12 Q Qualification 8 R Rated ...

Страница 35: ...Index 35 36 RE 30220 B 05 2019 Valve amplifier VT MRPA1 Bosch Rexroth AG U Use improper 7 intended 7 W Wiring 16 ...

Страница 36: ...Rexroth AG Industrial Hydraulics Zum Eisengießer 1 97816 Lohr a Main Germany Phone 49 0 9352 40 30 20 my support boschrexroth de www boschrexroth com Subject to revision Printed in Germany RE 30220 B 05 2019 ...

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