Pilz PSEN op2/4 Instrucciones De Uso página 75

PSEN op 2/4 Series
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Under no circumstances should safety outputs OSSD1 and OSSD2
be wired in series or in parallel (Fig. 16, 17, 18); both must be used
separately, as shown in Fig. 15. Should one of these two
configurations be used in error, a malfunction will occur (see Ch. 7,
"Diagnostic function").
If only one OSSD is used, the category will be reduced (from Type 4
to Type 2).
Fig. 15
Fig. 17
Operating Manual
Fig. 16
Fig. 18
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