Pilz PSS SB FT, Basic license - Manual (Page 65)

Modular Block System: Burner Management 6-21
Spurious signals before and during monitoring for “flame established”
Spurious signals during monitoring for “flame established”
No spurious enable via
interference signals
possible. Only the fault-free signals
F_S2 = 1, F_S1 = 0 and the
MONI input set the ENBL
output.
Shutdown due to flame
failure.
No spurious enable can be
generated due to
interference signals. Flame established,
monitoring active.