Zimmer WWR Series, Installation And Operating Instructions Manual

Page: 16 / 27

16
10.3.1.2 Control category 3 example
Dual-channel
• The mechanical component (spring)
operates as action channel 1 (yellow
marking).
• The pneumatic component (pressure)
operates as action channel 2 (blue marking).
Ö
Each of the individual components alone
can maintain the safety function.
There is fault elimination in accordance with
EN ISO 13849-2, Annex A, Table A.5 for the
mechanical action channel.
There is a B
10d
value of 5 million cycles for the
pneumatic action channel.
WWR
S3
S4
A
B
G G
S3 S4
S1 S2
G G
WWR
A B
R1
V1
V2
Control signal
"unlocked"
Unlocked
Locked
Unloc
ked
Loc
ked
Control signal
"locked"
• The degree of diagnostic coverage is
60% ≤ DC < 90%.
• Two mono-stable valves are used.
Ö
The safety functions "reversing" and/
or "unexpected startup" (unlock) are
realized.
Ö
PL
d
to 100% can be achieved.
• Optional magnetic field sensors (S3 and
S4) or a 2-point magnetic field sensor are
available for the final position check.
• An optional pressure sensor can be used for
pressure monitoring.
Ö
This can increase the degree of
diagnostic coverage to 90% ≤ DC < 99%.
• Optional sensors are available for storage
station monitoring.
• Optional energy elements are available for
tool coding.
• Optional sensors are available for "loose
part present" sensing.
NOTICE
►
Please note that the maximum handling weight, the associated lever arms and the acceleration values may not
be exceeded for the implementation of control category 3.
► Refer to the technical data sheet on our website for the values for the maximum handling weight.
Zimmer GmbH • Im Salmenkopf 5 •

77866 Rheinau, Germany •

+49 7844 9138 0 • www.zimmer-group.com
INSTALLATION AND OPERATING INSTRUCTIONS: WWR
DDOC00227 / p
EN / 2023-05-15