Page 38 - Safety engineering guidelines. Pneumatic and electric solutions

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38
VOFA-3/2 Safety valves for presses
(applied for)
Diagnostics
Diagnostics via evaluation of the
actuation and feedback signal
must be carried out via software
Fault exclusion
Fault exclusion for valves that
are jammed or haven’t switched.
Part no.
574011
574012
Type
VOFA-L26-T32C-M-G14-1C1-APP
VOFA-L26-T32C-M-G14-1C1-ANP
Version
Complete 2 x 3/2 control block, individual
electrical connection, PNP sensor
Complete 2 x 3/2 control block, individual
electrical connection, NPN sensor
See the technical data of the individual products for detailed information.
Please observe the legal information on page 73.
Cat.
4
PL
e
DC
Switching position
sensing with
inductive PNP/NPN
proximity sensor
CCF
>65%
Channels
2
Certificate
IFA (applied for)
Safety component
Yes
to MD 2006/42/EC
All specified values are
maximum values,
which can be achieved
via correct operation
of the component.
Safety function
Exhausting
Protection against unexpected start-up
Input
Logic
Output
Pneumatic
Electrical