Bosch Rexroth 4WRLE 4 Series Operating Instructions Manual Download Page 1

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Operating instructions
RE 29118-B/09.2021

Replaces: 07.2021
English

Directional control and

proportional directional valves

with IO-Link interface

4WRPEH6_3X
4WRPEH10_3X
4WRPE6_3X
4WRPE10_3X
4WRLE_4X

Summary of Contents for Rexroth 4WRLE 4 Series

Page 1: ...Operating instructions RE 29118 B 09 2021 Replaces 07 2021 English Directional control and proportional directional valves with IO Link interface 4WRPEH6_3X 4WRPEH10_3X 4WRPE6_3X 4WRPE10_3X 4WRLE_4X ...

Page 2: ...he user from the obligation of own judgment and verification Our products are subject to a natural process of wear and aging All rights with Bosch Rexroth AG also in case of applications for industrial property protection It may not be reproduced or given to third parties without consent of Bosch Rexroth AG The cover shows an example configuration The product supplied may therefore differ from the...

Page 3: ... Scope of delivery 22 5 Product information 22 5 1 Product description 22 5 2 Product identification 23 6 Transport and storage 25 6 1 Storing the valve with IO Link interface 25 7 Assembly 26 7 1 Unpacking 26 7 2 Installation conditions 26 7 3 Required tools 26 7 4 Recommended accessories 26 7 5 Prior to assembly 27 7 6 Place of installation 27 7 7 Assembling the valve with IO Link interface 27 8...

Page 4: ..._3X 4WRPE10_3X 4WRLE_4X RE 29118 B 09 2021 12 5 Recycling 37 13 Extension and modification 37 14 Troubleshooting 38 14 1 How to proceed for troubleshooting 38 14 2 Fault table 38 15 Technical data 39 16 Appendix 39 16 1 List of addresses 39 17 Index 40 ...

Page 5: ...Document type System documentation from the system manufacturer Directional control valves direct operated with electrical position feedback type 4WRPEH6 29121 Data sheet Directional control valves direct operated with electrical position feedback type 4WRPEH10 29038 Data sheet Directional control valves direct operated with electrical position feedback type 4WRPE10 29122 Data sheet Directional co...

Page 6: ...ces of non compliance Precaution Specifies how the danger can be prevented Table 2 Risk classes according to ANSI Z535 6 2011 Warning sign signal word Meaning DANGER Indicates a dangerous situation which will cause death or severe injury if not avoided WARNING Indicates a dangerous situation which may cause death or severe injury if not avoided CAUTION Indicates a dangerous situation which may cau...

Page 7: ...N ISO 13849 1 I O Input output MTTFd Mean time to dangerous failure PC Personal Computer PELV Protective Extra Low Voltage PFH Probability of dangerous failure per hour PL Performance Level according to EN ISO 13849 1 SELV Separated extra low voltage PLC Programmable Logic Control 2 Safety instructions 2 1 General information on this chapter The valves with IO Link interface described below have b...

Page 8: ... control logic with corresponding I O components is required for holistic control of the machine motion sequence and safety related monitoring in connection with the valve with IO Link interface The valve may not be used in potentially explosive atmospheres The product is only intended for professional use and not for private use Intended use includes having read and understood this documentation ...

Page 9: ...h products must not be under the influence of alcohol drugs or pharmaceuticals that may affect their ability to react Only use original Rexroth accessories and spare parts in order to prevent hazards to persons due to unsuitable spare parts Comply with the technical data and environmental conditions specified in the product documentation The installation or use of inappropriate products in safety ...

Page 10: ...ith regard to their use self dependently for his individual application and adjust it to the safety instructions and standards valid for his application and carry out the required measures changes and amendments Technical data as well as connection and installation conditions are available in the product documentation and must be imperatively observed In case of faults impairing the safety and cha...

Page 11: ...s connection the safety provisions applied for the system must be taken into account In case of faults impairing the safety and changes in the operating behavior shut down the valve immediately and report the faults to the responsible personnel Pressurized system parts and leaking hydraulic fluid When working at hydraulic systems with stored pressure energy accumulator or cylinders working under g...

Page 12: ...ers safe optocouplers or mains free battery operation Notice When calculating the PFH probability of dangerous failure per hour of the safety function the PFH of the external voltage supply must also be taken into account Incorrect mounting Mounting of valves with mounting screws of reduced stability insufficient mounting or fastening at blocks and plates with insufficient stability may lead to co...

Page 13: ... all seals and caps of the plug in connections are tight and intact Easily inflammable hydraulic fluid In connection with fire or other hot heat sources leaking hydraulic fluid mist may lead to fire or explosions due to defective or incompletely assembled valves and their connections Do not use the valve in areas with open fire and only at a sufficient distance to hot heat sources Electro magnetic...

Page 14: ...se of the valve outside the intended temperature may lead to functional failures like e g overheating of the valve solenoids In the worst case this may result in unexpected system movements and thus constitute a risk of injury for persons Only use the safety valve within the intended ambient and fluid temperatures Leakage in case of incorrect working temperatures Use of the valve outside the inten...

Page 15: ... EN 13849 1 the valve can be used as shut off channel As a precondition appropriate monitoring plausibility checks with the required DCavg for the entire application must be provided by the user or programmed into a superior control system With symbols E E1 W and W1 the valve can be used as shut off element in applications of categories 1 2 or 3 with up to PL d in compliance with EN 13849 1 Depend...

Page 16: ...ates Uncontrolled movement of the valve control spool may lead to uncontrolled movement of the cylinder Fuse protection in the case of short circuits in the electronics of the valve with IO Link interface by means of appropriate protection and design of the supply line fuse protection against currents 4 A 2 7 4 MTTFd DC CCF For valves with IO Link interface MTFFd valves can be calculated according...

Page 17: ...ations may occur depending on the valve used They can be found in the corresponding valve data sheet There you also find the valve related operating conditions 2 7 6 Switch off switch on times The switch off time generally depends on the valve type used and the hydraulic operating state The table below lists typical values below the performance limits The min switch on time results from the requir...

Page 18: ...rminal The voltage can also be safely switched off via an IO Link Master for safe shut off of the B voltage according to 13849 1 Fig 1 Category 1 block diagram Category 1 M 3 IO Link terminal with safe separation of power supply from bus K3 K2 IO Link 24 V 1A Dangerous movement High response valve with OBEA V5 electronics and IO Link Class B other actuators Determination of position Control a Cont...

Page 19: ...liance with EN13849 1 cat 2 requires running testing of valve switch off by machine control at start up and in adequate intervals during running operation Fig 2 Category 2 block diagram Category 2 M 3 L IO Link terminal with safe separation of power supply from bus K3 K2 IO Link 24 V 1A Dangerous movement High response valve with OBEA V5 electronics and IO Link Class B other actuators Determinatio...

Page 20: ... 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 Unless otherwise documented Bosch Rexroth products are designed for operation in local physically and logically secured networks with access restrictions...

Page 21: ...or metal chips from getting into the hydraulic lines Do not use linting fabric for cleaning Ensure that no cleaning agents are able to penetrate the hydraulic system Hydraulic fluid harmful to the environment Leaking hydraulic fluid leads to environmental pollution Immediately remedy possible leakage Dispose of the hydraulic fluid in accordance with the currently applicable national provisions in ...

Page 22: ...on 5 1 Product description The valve with IO Link interface is designed for use in rough industrial environments in terms of interference mechanical vibration shock and climate resistance The IO Link interface is used for parameterization and diagnosis The relevant parameters can be found in Parameter description RE29400 This enables individual parameterizing of the valve according to axis require...

Page 23: ...general example for the IO Link valves described in these operating instructions The position of individual information may differ However all name plates of the valves contain the same information Fig 4 Name plate of valve 4WRPEH6 Table 8 Information on the name plate of the valve No Type of information 1 Word mark 2 Material number of the valve 3 Type designation 4 Serial number 5 Production pla...

Page 24: ...IO Link electronics No Type of information l Voltage supply of IO Link P24 Voltage supply of valve electronics and power part current consumption depending on valve L Reference potential pin 1 C Q Data line IO Link SDCI N24 Reference potential pin 2 Further information on electrical connection and pin assignment can be found in the respective valve data sheet 1 2 3 4 5 1 L 2 P24 3 L 4 C Q 5 N24 ...

Page 25: ...ose of short time transportation the ambient temperature range according to the data sheet shall apply Protect the valve against humidity particularly ground humidity Store the valve on a shelf or on a pallet The relative air humidity must not exceed 65 and there must not be any condensation Ensure that no ozone formation takes place near the storage location Provide for 100 UV protection Store th...

Page 26: ...ly to the relevant system part before assembling the device or when connecting and disconnecting connectors 7 1 Unpacking Dispose of the packaging in accordance with the currently applicable national provisions in your country 7 2 Installation conditions For installing the product always observe the environmental conditions specified in the technical data sheet NOTICE The environment must be free ...

Page 27: ...ted according to the specifications CAUTION Insufficient installation space Insufficient installation space may lead to jamming or abrasions in case of actuation and adjustment work at the valve Provide for sufficient installation space Ensure that actuation adjustment elements and plug in connectors are easily accessible Leaking hydraulic fluid Hydraulic fluid may leak during assembly and disasse...

Page 28: ...connection of the valve 1 Depressurize the relevant system part 2 Establish all connections observing the operating instructions of the system 3 Make sure that pipes and or hoses are connected to all ports and or that the ports are closed with plug screws 4 Carry out a special check to make sure that the cap nuts and flanges are correctly tightened at the pipe fittings and flanges 5 Make sure that...

Page 29: ...ort circuit Before commissioning ensure that all seals and caps of the plug in connections are leak proof Incorrect connection wiring Risk of injury due to electric shock and malfunctions The valve may only be connected by or under the supervision of a specialized electrician The lines used have to be suitable for operating temperatures of 20 C 100 C De energize the connection line before installa...

Page 30: ...ting and disconnecting connectors Ensure a maintenance friendly installation i e simple access to the connection lines Free access to the connection sides must be guaranteed Before installation note down the information on the name plate If after the installation name plates are not visible or readable any more this data will be quickly available to you at any time As supply voltage of the valve f...

Page 31: ...lty IO Link interface signals please refer to troubleshooting of other electric components e g as follows Switched inductivities 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 ground Frequency converter Inlet filter in the voltage supply of the frequency converter Motor contr...

Page 32: ...ure Valves may burst or the cap elements may fly around and cause serious injuries Ensure before the commissioning of the hydraulic system that the maximum admissible pressure of the valve in the system is not exceeded by any means Ensure that in your system the maximum admissible operating pressure is secured by means of a pressure relief valve Commissioning by persons without the required knowle...

Page 33: ... the valve is installed 9 Operation During normal operation the user does not need to intervene In case of power failure during operation the valve may be switched on again without any further measures It is immediately ready for operation 10 Maintenance and repair Bosch Rexroth valves are usually maintenance free The valve seals are subject to a process of natural wear and aging It is therefore r...

Page 34: ... foreign particles in the valve Penetrating dirt and foreign particles in the valve lead to wear and malfunctions Safe function of the valve can no longer be ensured During assembly ensure utmost cleanliness in order to prevent foreign particles such as welding beads or metal chips from getting into the hydraulic lines Do not use linting fabric for cleaning Ensure that no cleaning agents are able ...

Page 35: ...lectrical voltage applied If you do not de pressurize and de energize the system prior to the start of disassembly you may get injured and the product or system parts may be damaged Decommission the overall system as described in the overall system instructions The system and all connected components must be brought into a safe state In addition the components must be switched off depressurized de...

Page 36: ...e connection surface using the protective plate supplied or protect it using equivalent packaging in order to avoid contamination and damage 11 Close the subplate in order to avoid contamination of your system In case of new installation and or replacement of the hydraulic valve please refer to chapter 7 Installation 11 4 Preparing storage and further use To prepare the valve for storage and furth...

Page 37: ...e used for returning products to Bosch Rexroth 12 4 Materials used Hydraulic components from Bosch Rexroth do not contain any hazardous materials that could be released during intended use Normally no negative effects on human beings and on the environment have to be expected The valve basically consists of Cast iron Steel Aluminum Copper Plastics Electronics components and assemblies Elastomers 1...

Page 38: ...t at the overall system machine system electrical systems control or at the valve If so What were they Was the valve and or the machine used as intended How did the fault become apparent Try to get a clear idea of the cause of error If necessary ask the actual machine operator 14 2 Fault table The valve is usually not sensitive to faults if the prescribed application conditions and hydraulic fluid...

Page 39: ...et 16 Appendix 16 1 List of addresses Contacts for transport damage repair and spare parts Bosch Rexroth AG Industrial Hydraulics Service Bürgermeister Dr Nebel Straße 8 97816 Lohr am Main Germany Phone 49 0 93 52 40 50 60 E mail service boschrexroth de Ordering address for accessories and hydraulic valves Headquarters Bosch Rexroth AG Zum Eisengießer 1 97816 Lohr am Main Germany Phone 49 0 93 52 ...

Page 40: ...ms 39 Installation conditions 26 Intended use 8 IP protection class 13 L Limits for the operation 17 Limits of the safety related parts 16 List of addresses 39 M Maintenance 33 MTTFd DC CCF 16 P PE connection 12 Performing the functional test 33 Performing the leak test 33 PFH 12 Product description 22 Product identification 23 Q Qualification 8 R Repair 34 Required documentation 5 Residual risks ...

Page 41: ...Index 41 44 RE 29118 B 09 2021 4WRPEH6_3X 4WRPEH10_3X 4WRPE6_3X 4WRPE10_3X 4WRLE_4X Bosch Rexroth AG ...

Page 42: ...42 44 Index Bosch Rexroth AG 4WRPEH6_3X 4WRPEH10_3X 4WRPE6_3X 4WRPE10_3X 4WRLE_4X RE 29118 B 09 2021 ...

Page 43: ...Index 43 44 RE 29118 B 09 2021 4WRPEH6_3X 4WRPEH10_3X 4WRPE6_3X 4WRPE10_3X 4WRLE_4X Bosch Rexroth AG ...

Page 44: ...h AG Industrial Hydraulics Zum Eisengießer 1 97816 Lohr a Main Germany Tel 49 0 9352 40 30 20 my support boschrexroth com www boschrexroth com Subject to change without notice Printed in Germany RE 29118 B 09 2021 ...

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