Personal Protective Equipment; Obligations Of The Machine End-User - Bosch Rexroth 4WRPEH6 3X Operating Instructions Manual

20/44 Safety instructions
Category 3
ÜB2
Open
ÜB3
I1.1 I
B1
ÜB1
K1
O1.1
B2
ÜB2
B3
ÜB3
1V3
Closed
24 V
Bosch Rexroth AG, 4WRPEH6_3X, 4WRPEH10_3X, 4WRPE6_3X, 4WRPE10_3X, 4WRLE_4X; RE 29118-B/09.2021
For use according to category 3 in compliance with EN 13849-1, a second safe
switch-off element must be implemented in addition to the valve with
OBEA-V5 interface. In the example, this is realized with a position-monitored
directional switching valve.
ÜB1
K3
1S3
I1.3 I1.4
1.2
IO-Link
Inputs
PLC
Outputs IOL-Master
K2
Fig. 3: Category 3 block diagram

2.8 Personal protective equipment

Check specified personal protection for completeness and protective effect and have
it available (please observe customer specification and list of personal protection!)

2.9 Obligations of the machine end-user

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.
Unless otherwise documented, Bosch Rexroth products are designed for operation
in local, physically and logically secured networks with access restrictions for
authorized persons, and they are not classified according to IEC 62443-4-2.
IO-Link terminal
with safe
separation of
power supply
from bus
24 V
Determination of
position
IO-Link
interface
1V4
OBEA-V5
1S4
a
Control a
Control b
B3
1V3
1M
M
3~
1A
High-response valve with
A B
OBEA-V5 electronics and
IO-Link Class B
P T
b
K1
1S3
other actuators
1V2
1Z2
1V1
1P
Dangerous
movement
1Z1
1S1 1S2