Safety Instructions; General Information On This Chapter - Bosch Rexroth 4WRPEH6 3X Operating Instructions Manual

Symbol Meaning
1. Numbered instruction:
The numbers indicate that the actions must be carried out one after the other.
2.
3.
1.3.3 Designations
The following designations are used in this documentation:
Table 4: Designations
Designation Meaning
IO-Link IO-Link is a communication system for connection of intelligent sensors and
actuators
RE xxxxx Rexroth document in English language
1.3.4 Abbreviations
The following abbreviations are used in this documentation:
Table 5: Abbreviations
Abbreviation Meaning
CCF Common Cause Failure
DC Average Diagnostic Coverage according to EN ISO 13849-1
avg
I/O Input/output
MTTF Mean time to dangerous failure
d
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 been manufactured
according to the generally accepted codes of practice. However, there is still the
danger of personal injury and/or damage to property if you do not observe this
chapter and the safety instructions in this documentation.
▶ Read this documentation completely and thoroughly before working with
the product.
▶ Keep this documentation in a location where it is accessible to all users at
all times.
▶ Always include the required documentation when you pass the valve on to
third parties.
RE 29118-B/09.2021; 4WRPEH6_3X, 4WRPEH10_3X, 4WRPE6_3X, 4WRPE10_3X, 4WRLE_4X; Bosch Rexroth AG
Safety instructions 7/44