6/48 About this documentation
Bosch Rexroth AG, 4WRPD(H), 4WRPQ(H), 4WRPF(H), 4WRLD, 4WRLF, 4WRLQ, 5WRPF10, 5WRPQ10; RE 29391-B/05.2021
Title Document
number
Document type
Directional control valve, pilot operated, with integrated fieldbus (IFB Multi-Ethernet),
type 4WRLF
29293 Data sheet
Rexroth HydraulicDrive HDS-16, HDx17 to HDx-20 Parameters 30330-PA Reference book
Rexroth HydraulicDrive HDS-16, HDx17 to HDx-20 Diagnostic Messages 30330-WA Reference book
Rexroth HydraulicDrive HDx-20 Functions 30338-FK Application manual
Declaration of conformity of the complete valves on Multi-Ethernet basis Available from Bosch
Rexroth on request
General product information on hydraulic products 07008
Hydraulic valves for industrial applications 07600-B Operating instructions
Reliability characteristics MTTF
D
regarding functional safety according to EN ISO
13849
08012 Data sheet
1.3 Representation of information
Consistent safety instructions, symbols, terms and abbreviations are used in this
documentation so that you can quickly and safely work with the valve described.
For a better understanding, they are explained in the following sections.
1.3.1 Safety instructions
In this documentation, safety instructions are included in chapter2.6 “Product-
specific safety instructions“ and in chapter3 “General information on damage
to property anddamage to the product“ and whenever sequences of actions or
instructions are explained which bear the risk of personal injury or damage to
property. The described hazard avoidance measures must always be observed.
Safety instructions are structured as follows:
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
• Type and source of danger: Specifies the type and source of danger
• Consequences: describes the consequences in case of non-observance
• Precaution: specifies how the hazardous situation can be prevented