Pilz PSS SB FT, Basic license - Manual (Page 83)

Modular Block System: Burner Management 6-39
No fault due to spurious
signals at
FTRY and AuSt.
With a FLAs drop out, the
ENBL is reset correctly.
Correct reset of the
ENBL-output.
Correct setting of the ENBL output after
RSET and a follow-on STRT signal.
If FTRY = 0 there is no automatic restart
after a flame failure.
START is only after a reset and a start
pulse.