Pilz PSS SB FT, Basic license - Manual (Page 189)

9-7 Modular Block System: Burner Management
Changes to the operating manual
Changes from Version I to Version II
Input parameter STEP has been added to SB149 and SB157; input param-
eter D_C and output parameter STEP have been added to SB152. The
resulting changes in the operating manual are not listed in the table below.
Old New Change
page page
1-3 1-3 Definition of symbols
3-2 3-2 Intended use, SB149
4-5 4-5 Explanation of the minimum scan time
4-6 4-6 Explanation of the global parameters
4-9 4-9 Function of SB149
4-47 4-51 Programming guidelines, SB153
4-55 4-59 Programming guidelines, SB154
4-56 4-60 Key to inputs and outputs
4-114 4-120 Connections required between the SBs
6-12 6-12 Command:
“
Min. air pressure established
”
6-14 6-14 Block diagram for driving the air flaps
—- 7-2 List of changes in the SBs
Changes from Version II to Version III
Old New Change
page page
4-59 4-59 DirO and DirC replaced by Dir1 and Dir2
4-123 4-123 “Sequence for calling SBs” added