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Operating instructions 

RE 30232-01-B Edition: 04.2020, EN

Valve amplifier for proportional 
valves without electrical  
position feedback

Maximum current limitation 1 A  

VT-MSPA2-2X/A5/1A0/000

Summary of Contents for Rexroth VT-MSPA2-2X/ A5/1A0/000

Page 1: ...Operating instructions RE 30232 01 B Edition 04 2020 EN Valve amplifier for proportional valves without electrical position feedback Maximum current limitation 1 A VT MSPA2 2X A5 1A0 000 ...

Page 2: ...erification It must be remembered that our products are subject to a natural process of wear and aging This document as well as the data specifications 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 shows an example configuration The product delivered may differ from the image on ...

Page 3: ...duct 12 6 Transport and storage 12 6 1 Storing the VT MSPA2 2X 12 7 Installation 13 7 1 Required tools 13 7 2 Recommended accessories 13 7 3 Installation conditions 14 7 3 1 Place of installation 14 7 4 Installing und connecting the VT MSPA2 2X 14 7 5 Connecting the supply voltage 15 7 5 1 Shielding 15 7 5 2 General notes on wiring 16 7 5 3 Connecting the individual contacts 17 7 5 4 Suppressing i...

Page 4: ...lve amplifier 29 11 4 Preparing the components for storage or 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 addresses 33 17 Alphabetical index 34...

Page 5: ...tood and observed it The documentations can be found on the product site or at www boschrexroth com mediadirectory Table 1 Required and supplementary documentation Title Document number Document type Order confirmation Valve amplifier for proportional valves without electrical position feedback maximum current limitation 1 A type VT MSPA2 2X A5 1A0 000 30232 01 Data sheet 1 3 REPRESENTATION OF INF...

Page 6: ...age 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 Table 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...

Page 7: ...heet RE 30232 01 especially exclusively outside the potentially explosive atmosphere 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...

Page 8: ...on the Internet at http www boschrexroth 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 Rexroth products in technically perfect condition Observe all notices on the product Persons who install commission operate dem...

Page 9: ...ng 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 Amplifiers command value processing cards and control electronics themselves do not in...

Page 10: ... list of personal protective equipment 3 General information on damage to property and damage to the product NOTICE High voltage The electronics may be damaged Wire electronics from Bosch Rexroth only when these are disconnected from the power supply Wrong cables Power loss scorching of cable Risk of damage to the product Only use the cables specified in the data sheet with the respective cable cr...

Page 11: ...ture range Risk of overheating The devices can be thermally destroyed Adhere to the specification in the data sheet Cables lying around Risk of stumbling Lay cables and lines so that they cannot be damaged and no one can trip over them The warranty only applies to the delivered configuration The warranty becomes void if the product is incorrectly mounted commissioned or operated not used as intend...

Page 12: ...wever observe the notes in Chapter 2 Sicherheitshinweise and comply with the ambient conditions for storage and transport which are detailed in the technical data sheet RE 30232 01 6 1 STORING THE VT MSPA2 2X 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 temp...

Page 13: ...upply to the relevant system part before installing the products or plugging or unplugging connectors Radiated interference Risk of malfunction The distance to radio sources must be sufficiently large 1 m Do not lay solenoid or signal cables near power cables Shield command and actual value cables Connect the shield to system ground on both ends 7 1 REQUIRED TOOLS A screwdriver blade width 2 0 mm ...

Page 14: ...e at least 2 cm At ambient temperatures above 50 C provide a minimum distance of 1 cm to the next assembly By snapping the housing of the VT MSPA2 2X on a conductive and earthed mounting rail the earth connection is established with the rear wall of the control cabinet This constitutes HF grounding of the VT MSPA2 2X Do not use any silicone containing sealants adhesives or insulating agents Ensure...

Page 15: ...y signal cables near power cables The system ground is an essential integral part of EMC protection of the VT MSPA2 2X Here interference which is transported to the VT MSPA2 2X via data and voltage supply cables is dissipated This function can only be ensured if the system ground itself does not inject interference into the control electronics 7 5 CONNECTING THE SUPPLY VOLTAGE 1 Disconnect the rel...

Page 16: ...uld only have the number of wires actually required If this is impossible connect the wires with each other and connect them to ground on one side in the control cabinet Table 7 Recommended cable variants Interface Maximum length m Cable type Minimum cross section mm2 Remarks Digital in out 30 Unshielded 0 25 to 2 5 For 30 m or more shielded cable required 50 Shielded 0 25 to 2 5 Command value 30 ...

Page 17: ...the interference suppression of other electrical components e g as follows Table 9 Suppressing interference Possible causes of faults Switched inductance DC antiparallel free wheeling diode over actuator winding AC type related R C combination over actuator winding Electric motors R C combination from each motor winding to earth Frequency converter Inlet filter in the voltage supply of the frequen...

Page 18: ...estroyed Before plugging or unplugging connectors into or from the device disconnect the device from the power supply or de energize it reliably Damage to the device caused by incorrect handling is not covered by the warranty Observe the protection class the voltage supply and the environmental conditions according to data sheet RE 30232 01 For commissioning we recommend using a multimeter ...

Page 19: ...ff or 4Q ramp 14 Switching logic error detection 15 Digital output 16 Monitoring module VT MUXA2 2 separate order 17 Two ferrite sleeves included only in the scope of delivery of the monitoring module XH1 XH2 X2A XH2 A B XH1 V 1 2 10 9 5 6 12 11 Zw 1 1 2 5 11 12 10 12 10 9 9 7 6 8 14 13 15 4 3 8 4 3 7 U U 0 V 24 V IN 10 V IN 0 V U KBA t t t t t t t t t I A I A I B I B t KBB KBA KBB MO U U U I U U ...

Page 20: ...command value falling 3rd quadrant negative command value increasing 4th quadrant negative command value falling Table 10 Indicator lamps 4 8 5 1 6 2 7 3 12 9 10 11 Set t DI Z B G S IB IA v T Valve Select 0 9 8 7 6 5 4 3 2 1 MSPA2 1 2 3 4 5 Blinking code Description of LED indicator lamps Indicator lamps Operational state Display mode Meaning LED DI digital input yellow Normal operation Permanentl...

Page 21: ...ollowing valve types are available VT MSPA2 2X Standard Expert Rotary switch position Valve type two solenoids t Z G 4Q t1 t2 t3 t4 GB GA SB SA B f Inv DI 0 No valve 1 DBET 6X XE 2 4WRA6 XE 3 3DREP 6 XE 4 4WRZ XE 9 Universal 1 0 A If no valve type is selected the LEDs signal the status shown on the left The yellow LEDs rotate clockwise in pairs The ready LED blinks red green if the valve number sa...

Page 22: ... Z B G S Set Set Set Set Set Set Set Set Set Set Set Set Set Set Set Set Z B DI DI DI DI DI DI 16 13 14 15 4 8 5 1 6 2 7 3 12 9 10 11 Set t DI Z B G S IB IA v T Valve Select 0 9 8 7 6 5 4 3 2 1 MSPA2 Comm value zero point biasing current Z B Run 1 sec Editable parameter level Simple ramp t Ramp time Zero point Command value atten uator G Command value max Expert mode Standard mode 1 sec 1 sec ...

Page 23: ...gain at test jack v for 5 s press once Press Set 1 s in order to switch to the first settable parameter simple ramp see Fig 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 ch...

Page 24: ...S DI t t 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 value zero point biasing current Z B t G S Z B DI Z Zero point 0 10 0 1 V 0 1 V Command value attenuator G t Z B G S DI x y G Command value maximum 70 110 0 70 V 1 10 V Ramp function t t Z B G S DI t t t t t on off Simple ramp ON 1 V Ramp OFF 0 V 4Q ramp ON 4 V 4Q ramp t1 1st qu...

Page 25: ... mV 1 00 V 1 s V 1 s 5 s 1 0 V 5 0 V 1 s V 5 s 30 s 5 0 V 10 V U 0 2 V s t 4 V Command value attenuator GB for solenoid B positive command value t Z B G S DI G B Command value attenuator Solenoid B 70 110 0 70 V 1 10 V Command value attenuator GA for solenoid A positive command value t Z B G S DI A G Command value attenuator Solenoid A 70 110 0 70 V 1 10 V Step height SB positive command value sol...

Page 26: ...4Q operating mode is activated 2 The function of the digital input is XOR linked to the internally selected state 8 6 RESTORING THE VT MSPA2 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 to the factory settings The module has to be de energized 1 Press and hold Set and switc...

Page 27: ...ormal operation Normal operation Cable break command value 4 20 mA Icomm 2 mA Permanently on 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 in...

Page 28: ...s at least once a year for correct fit and damage Inspect 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 electronics can only be re...

Page 29: ...a safe state In addition the components must be switched off de pressurized de energized and secured against restarting 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 depressurize and disconnect it from the power supply and secure it against being switched on again 11 3 DEMOUNTING THE VALVE AMPLIFIER ...

Page 30: ...e DIN mounting rail 11 4 PREPARING THE COMPONENTS FOR STORAGE OR 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 30232 01 Protect against dust and humidity ...

Page 31: ...ries The 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 ca...

Page 32: ...n with the overall system before the fault occurred Try to determine any changes of the overall system in which the product is integrated Were there any changes to the product s operating conditions or operating range Were there any changes e g retrofit or repairs carried out on the complete system machine system electrics control or on the product If yes What were they Was the product or machine ...

Page 33: ...2 40 50 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 Email my support boschrexroth com The addresses of our sales and service network and sales organizations can be found at www boschrexroth com addresses Contact fo...

Page 34: ...t 12 Installation 13 14 Installation conditions 13 14 Intended use 7 L LED 20 LED indicator lamps 20 List of addresses 33 M Maintenance 28 Materials 31 Menu 22 Menu level 1 24 Menu structure 22 O Operating and display elements 20 Operation 27 P Packaging 31 Parameter setting 26 Performance description 12 Place of installation 14 Preparing the components for storage or further use 30 Q Qualificatio...

Page 35: ...RE 30232 01 B Edition 04 2020 Bosch Rexroth AG Alphabetical index Valve amplifier VT MSPA2 2X 35 36 ...

Page 36: ...h Rexroth AG Industrial Hydraulics Zum Eisengiesser 1 97816 Lohr a Main Germany Phone 49 0 9352 40 30 20 my support boschrexroth com www boschrexroth com Subject to revision Printed in Germany RD 30232 01 B ...

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