Restart - Pilz PSEN op2/4 Instrucciones De Uso

PSEN op 2/4 Series
6.3.

Restart

If the beams between the receiver and transmitter are interrupted by
an opaque object, the OSSD outputs will switch and the safety
contacts will open ("BREAK" operating status).
There are two different ways to restart normal ESPE mode (close
safety contacts, "SAFE" operating status):
•
Automatic start, after the protected field has been interrupted, the
ESPE returns to normal mode as soon as the detected object has
been removed from the protected field.
•
Manual start, after the protected field has been interrupted, the
ESPE does not return to normal mode until the restart button
(TEST/START button) has been operated and the object has been
removed from the protected field.
Fig. 21 illustrates both operating modes.
BREAK
Automatic start
Normal mode OSSD OFF
Beams clear
RX Beams RX
interrupted
TX
TX SAFE BREAK
OSSD ON OSSD OFF
Operating Manual
SAFE
OSSD ON
RX
Beams clear
TEST/START
TX
button
BREAK SAFE
Manual
start
OSSD OFF OSSD ON
Fig. 21
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