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Bosch Rexroth VT-MSPA -2X Series Operating Instructions Manual

Valve amplifier for proportional valves without electrical position feedback

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Table of Contents
Valve amplifier for
proportional valves without
electrical position feedback
VT-MSPA
Component series 2X
HAD_8134
Operating instructions
RE 30232-B/08.2020
Replaces 04.2020
English

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Table of Contents
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Summary of Contents for Bosch Rexroth VT-MSPA -2X Series

  • Page 1 Valve amplifier for proportional valves without electrical position feedback VT-MSPA Component series 2X Operating instructions Replaces 04.2020 RE 30232-B/08.2020 English HAD_8134...
  • Page 2 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.
  • Page 3: Table Of Contents

    7.5.4 Suppressing interference of the system Commissioning Block circuit diagram VT-MSPA1-2X Block circuit diagram VT-MSPA2-2X Operating and display elements 8.3.1 Status LEDs 8.3.2 Test jacks Selecting the valve types Menu 8.5.1 Menu structure Parameter setting RE 30232-B/08.2020, Valve amplifier VT-MSPA, Bosch Rexroth AG...
  • Page 4 12.1 Environmental protection 12.2 Return to Bosch Rexroth AG 12.3 Packaging 12.4 Materials used 12.5 Recycling Extension and modification Troubleshooting 14.1 How to proceed for troubleshooting Technical data Annex 16.1 List of addresses Bosch Rexroth AG, Valve amplifier VT-MSPA, RE 30232-B/08.2020...
  • Page 5: About This Documentation

    SIGNAL WORD Type and source of danger! Consequences in case of non-compliance ▶ Hazard avoidance measures ▶ <Enumeration> • Warning symbol:draws attention to a hazard • Signal word: identifies the degree of hazard RE 30232-B/08.2020, Valve amplifier VT-MSPA, Bosch Rexroth AG...
  • Page 6: Symbols

    The following designations are used in this documentation: Table 4: Terms Term Meaning Electronics Command value cards, amplifiers, and controls manufactured by Bosch Rexroth 1.3.4 Abbreviations used The following abbreviations are used in this documentation: Table 5: Abbreviations used Abbreviation...
  • Page 7: Safety Instructions

    Any use other than described in the section “Intended use” is considered as improper and is therefore not permitted. Bosch Rexroth AG does not assume any liability for damage caused by improper use. The user assumes all risks involved with improper use.
  • Page 8: Qualification Of Personnel

    • Only use original Bosch Rexroth accessories and spare parts in order to prevent any hazard to persons due to unsuitable spare parts. • Comply with the technical data and environmental conditions specified in the product documentation.
  • Page 9: Product-Specific Safety Instructions

    Avoid contact with salt-laden environments and adhere to the ambient temperature given in the data sheet. ▶ In the event of an emergency, fault or other abnormalities, switch the system off and secure it against being switched on again. RE 30232-B/08.2020, Valve amplifier VT-MSPA, Bosch Rexroth AG...
  • Page 10: Personal Protective Equipment

    The operation of installations, systems and machines basically requires the implementation of a holistic IT security concept which is state-of-the-art in terms of technology. Accordingly, Bosch Rexroth products and their properties must be considered as components of installations, systems and machines for their holistic IT security concept.
  • Page 11: 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! ▶...
  • Page 12: Scope Of Delivery

    RE 30232 of your Bosch Rexroth product: ▶ Check the scope of delivery for completeness and possible transport damage. In case of complaints, please contact Bosch Rexroth AG, see chapter 16.1 “List of addresses“ on page 35. 5 About this product You can find information on the product and its performance in the data sheet of your electronics.
  • Page 13: Transport And Storage

    RE 30232. 6.1 Storing electronic products Proceed as follows in order to prepare electronics from Bosch Rexroth for storage and further use: ▶ Whenever possible, use the original packaging for storage.
  • Page 14: Required Tools

    VT-MSPA...-2X with hydraulic fluids, acids, bases, corrosive agents, salts, metal vapors, solvents, etc. 7.3.1 Place of installation Electronics from Bosch Rexroth are intended for installation in control cabinets. Outdoor installation is not permitted. 7.4 Installing und connecting the VT-MSPA...-2X The dimensions of valve amplifier VT-MSPA...-2 are given in data sheet RE 30232. The installation orientation is vertical.
  • Page 15: Connecting The Supply Voltage

    Connect the signal and solenoid cables according to your circuit diagram to the relevant terminals of the VT-MSPA...-2X . Connect the supply voltage and check the presence of voltage by switching on. RE 30232-B/08.2020, Valve amplifier VT-MSPA, Bosch Rexroth AG...
  • Page 16: Shielding

    Cables should 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. Bosch Rexroth AG, Valve amplifier VT-MSPA, RE 30232-B/08.2020...
  • Page 17: Connecting The Individual Contacts

    Flexible with wire end ferrule 0.25 mm² 2.5 mm² The length to be stripped is 10 mm each. 7.5.3 Connecting the individual contacts With wire end ferrule Solid wire Flexible wire Fig. 3: XG20/XG21: “PUSH-IN“ contact RE 30232-B/08.2020, Valve amplifier VT-MSPA, Bosch Rexroth AG...
  • Page 18: Suppressing Interference Of The System

    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. For commissioning we recommend using a multimeter. Bosch Rexroth AG, Valve amplifier VT-MSPA, RE 30232-B/08.2020...
  • Page 19: Block Circuit Diagram Vt-Mspa1-2X

    8 Command value attenuator 9 Characteristic curve generator 11 Clock pulse generator 12 Output stage 10 Current regulator 13 Enable or inversion or ramp off or 14 Switching logic/error detection 15 Digital output 4Q ramp RE 30232-B/08.2020, Valve amplifier VT-MSPA, Bosch Rexroth AG...
  • Page 20: Block Circuit Diagram Vt-Mspa2-2X

    8 Command value attenuator 9 Characteristic curve generator 10 Current regulator 11 Clock pulse generator 12 Output stage 13 Enable or inversion or ramp off or 14 Switching logic/error detection 15 Digital output 4Q ramp Bosch Rexroth AG, Valve amplifier VT-MSPA, RE 30232-B/08.2020...
  • Page 21: Operating And Display Elements

    Command value step height Ready for operation  1st quadrant (positive command value, increasing) 2nd quadrant (positive command value, falling) 3rd quadrant (negative command value, increasing) 4th quadrant (negative command value, falling) RE 30232-B/08.2020, Valve amplifier VT-MSPA, Bosch Rexroth AG...
  • Page 22: Test Jacks

    ● ● ● ● ● ● DBEM20...-7X...G24-8... – – – – – – – – ● ● ● ● ● ● ● ● DBEM30...-7X...G24... – – – – – – – – Bosch Rexroth AG, Valve amplifier VT-MSPA, RE 30232-B/08.2020...
  • Page 23 Rest No valve selected – – – – – – – – – – – – – – – – Available as of series 21 (VT-MSPA1-21...) Available as of series 22 (VT-MSPA1-22...) RE 30232-B/08.2020, Valve amplifier VT-MSPA, Bosch Rexroth AG...
  • Page 24 If the rotary switch position was changed accidentally, reset it to the original valve number. → The “ready” LED is lit green.  In both cases, check the actually connected valve! Whenever a valve is changed, all changeable parameters are reset to factory settings! Bosch Rexroth AG, Valve amplifier VT-MSPA, RE 30232-B/08.2020...
  • Page 25: Menu

    Ramp time 9 10 11 Command Zero point value zero point / biasing current Command Command value value attenuator maximum > 1 sec > 1 sec Expert mode Fig. 5: Menu structure RE 30232-B/08.2020, Valve amplifier VT-MSPA, Bosch Rexroth AG...
  • Page 26: Parameter Setting

    To exit the “Expert Mode“, press [Set] (> 1 s). The device is again in the working mode. Completing parameter Press [Set] (> 1 s). setting The device is again in the working mode. Bosch Rexroth AG, Valve amplifier VT-MSPA, RE 30232-B/08.2020...
  • Page 27: Explanation Of Menu Level "Standard Mode

    0...±1 V (0.1 V/%) Command value attenuator Command value 70...110 %: maximum 0.70 V...1.10 V Ramp function t ON/OFF Simple ramp ON: +1 V Ramp OFF: 0 V 4Q ramp ON: +4 V RE 30232-B/08.2020, Valve amplifier VT-MSPA, Bosch Rexroth AG...
  • Page 28 Step height SB, positive Step height, Biasing current...50 %: command value (solenoid B) solenoid B 0...5.0 V Step height SA, negative Step height, Biasing current...50 %: command value (solenoid A) solenoid A 0...5.0 V Bosch Rexroth AG, Valve amplifier VT-MSPA, RE 30232-B/08.2020...
  • Page 29: Restoring The Vt-Mspa

    The LEDs signal the status shown on the left. After some time, the LEDs switch to the status shown on the left. The module is restored to factory settings. Release [Set]. Restoring to factory settings is completed. RE 30232-B/08.2020, Valve amplifier VT-MSPA, Bosch Rexroth AG...
  • Page 30: Operation

    [1] For resetting the overload protection circuit the command value has to be briefly withdrawn from the module. In the case of serious errors the module must be replaced. Bosch Rexroth AG, Valve amplifier VT-MSPA, RE 30232-B/08.2020...
  • Page 31: Maintenance And Repair

    Bosch Rexroth electronics may only be replaced as a complete unit. Unauthorized modifications to devices are not permitted for safety reasons! Repairs may only be carried out by Bosch Rexroth AG. For repairs send the device to the service address given in Chapter 16.1.
  • Page 32: Demounting And Replacement

    Loosen the latch from its snapped-in position using a screwdriver. Carefully remove the VT-MSPA...-2X from the DIN rail while the latch is pulled out. Fig. 6: Removing the VT-MSPA...-2X from the DIN rail Bosch Rexroth AG, Valve amplifier VT-MSPA, RE 30232-B/08.2020...
  • Page 33: Preparations For Storage And Further Use

    Disposal 33/36 11.4 Preparations 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 30232.
  • Page 34: Recycling

    – Was the device or machine used as intended? – How did the fault become apparent? ▶ Try to get a clear idea of the cause of error. If possible, ask the direct (machine) operator. Bosch Rexroth AG, Valve amplifier VT-MSPA, RE 30232-B/08.2020...
  • Page 35: Technical Data

    Zum Eisengießer 1 97816 Lohr am Main Germany Phone +49 (0) 9352/40 30 20 E-mail my.support@boschrexroth.com The addresses of our sales and service network and sales organizations can be found at www.boschrexroth.com/addresses RE 30232-B/08.2020, Valve amplifier VT-MSPA, Bosch Rexroth AG...
  • Page 36 Bosch 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 RE 30232-B/08.2020...

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