Timing diagrams – Pilz PSS SB FT, Basic license User Manual
Page 135

Modular Block System: Burner Management
6-91
° Ignition transformer switched off
→
IGNI = 0
° Safety valve open
→
VAV1 = 1
° Close pilot valve
→
VAV2 = 0
° Pilot flame not established
→
RUN = 0
° Do not monitor pilot flame
→
FLAI = 0
Timing diagrams
Automatic ignition cycle when no parameters are set for manual ignition
The
NEXT input in the byte format controls the cycle of the ignition
process similar to that of a sequence.
The cycle will be started with a single, continuous “1” from bit 0 to bit 5.
No manual ignition set via parameters:
MANU = 0.
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