Pilz PSS SB FT, Basic license - Manual (Page 147)

Modular Block System: Burner Management 6-103
• Sequence for the set-up step
- NEXT = 0: Set-up step not yet activated
° Enable
→
ENBL = 1
° Set-up step not active
→
RDY = 0
° Close main valve
→
VAV3 = 0
° Reset control enable
→
REGL = 0
° Main flame not established
→
RUN = 0
° Monitor main flame
→
FLAM = 1
- NEXT, Bit 0 = 1: Open main flame
° Enable
→
ENBL = 1
° Set-up step 1 active
→
RDY, Bit 0 = 1
° open main valve
→
VAV3 = 1
° Reset control enable
→
REGL = 0
° Main flame not established
→
RUN = 0
° Do not monitor main flame
→
FLAM = 0
- NEXT, Bit 1 = 1: Establish main flame
° Enable
→
ENBL = 1
° Set-up step 2 active
→
RDY, Bit 1 = 1
° Main valve open
→
VAV3 = 1
° Reset control enable
→
REGL = 0
° Main flame established
→
RUN = 1
° Monitor main flame
→
FLAM = 1
- NEXT, Bit 2 = 1: Set control enable
° Enable
→
ENBL = 1
° Set-up step 3 active
→
RDY, Bit 2 = 1