Page 32 - Safety engineering guidelines. Pneumatic and electric solutions

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32
Safety function
Protection against unexpected
start-up (two-channel), with
simultaneous actuation of
both solenoid coils.
The time between the
two actuating signals should
not exceed 200 ms. This meets
DIN EN 574 IIIB.
Reduce valve terminal pressure
Technical data
Voltage
24 V DC
Pressure
3 ... 8 bar
Temperature range
0 ... +40°C
Flow rate ISO 1:
approx. 500 Nl/min
P
L
Q
M
Part no.
Type
Flow rate
571887
ISO 1
500 l/min
Safety function
Reducing pressure and force, protection against
unexpected start-up, two-hand control
Input
Logic
Output
Pneumatic
Electrical
Please observe the legal information on page 73.
Cat.
3
PL
e
DC
Medium
(integrated
diagnostics)
CCF
>65%
Channels
2
DIN EN 574
IIIB
Safety component
No
to MD 2006/42/EC
All specified values are
maximum values,
which can be achieved
via correct operation
of the component.