Festo SFC-DC series, Manual

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1. System summary
1−15
Festo P.BE−SFC−DC−IO−EN en 0801a
1.2 EMERGENCY STOP concept
Please note
Check your EMERGENCY STOP circuit in order to ascertain
the measures necessary for switching your machine/sys
tem into a safe state in the event of an EMERGENCY STOP
(e.g. switching off the load voltage).
The SFC−DC has the following separate logic voltage supply.
Recommendation:
In the event of an EMERGENCY STOP, you should stop the
drive by canceling the ENABLE signal at the I/O interface
(see chapter 6).
·
Use additional separate safety limit switches if an
EMERGENCY STOP circuit is required for your application
(e.g. as a normally closed switch in series−parallel con
nection)
with these switches you can cancel the ENABLE signal
at the I/O interface
or switch off the load voltage.
·
By the arrangement of the software end positions and, if
necessary, by means of external safety limit switches and
additional appropriate mechanical stops, make sure that
the axis always lies within the permitted positioning
range.