Bosch REXROTH A4 Series, Instruction Manual, Page: 3 / 104

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RE 92076-01-B/10.2017, A4... with HS5E pilot control valve Series 3x, Bosch Rexroth AG
1 About this documentation 6
1.1 Validity of the documentation 6
1.2 Required and supplementary documentation 6
1.3 Representation of information 7
1.3.1 Safety instructions 7
1.3.2 Symbols 8
1.3.3 Designations 9
1.3.4 Abbreviations 9
2 Safety instructions 10
2.1 About this chapter 10
2.2 Intended use 10
2.3 Improper use 11
2.4 Personnel qualifications 11
2.5 General safety instructions 12
2.6 Product-specific safety instructions 14
2.7 Personal protective equipment 18
3 General instructions on damage to property and the product 19
4 Scope of delivery 22
5 About this product 23
5.1 Performance description 23
5.2 Unit description 23
5.2.1 Layout of the axial piston unit 23
5.2.2 Functional description 23
5.3 Parallel and cascade control of the HS5E control system 24
5.3.1 Parallel control structure 25
5.3.2 Cascading control structure 26
5.3.3 Controller parameters (parallel) 27
5.3.4 Control parameter sets 27
5.3.5 Special operating modes 27
5.3.6 Working pressure limits 28
5.4 Ambient conditions 29
5.4.1 Oil-immersed applications 29
5.4.2 Ambient temperature 29
5.5 Notes on selecting hydraulic fluids 29
5.6 Noise development 29
5.6.1 Noise development in the unit 30
5.6.2 Pulsation damper 30
5.7 Master/slave operation 30
5.7.1 Circuitry of HS5E 31
5.8 Description of the IndraWorks commissioning tool 32
5.8.1 System requirements 33
5.8.2 Firmware update 34
5.9 Switch-on sequence of electronics/hydraulics 34
5.10 Product identification 35
6 Transport and storage 36
6.1 Transporting the axial piston unit 36
Contents