Changes to the standard function blocks, Sb 149: sequence control – Pilz PSS SB FT, Basic license User Manual
Page 185

9-3
Modular Block System: Burner Management
INFORMATION
Always use the current version of the relevant standard function block for
your user program.
Changes to the standard function blocks
INFORMATION
When imported into existing projects, new parameters must be set for
standard function blocks in which input or output parameters have been
amended (additional I/O parameters, notation changed, description changed
etc.).
Please note:
An SB marked with this symbol can only replace the previous
SB version in an existing application program if new parameters
are set for it once imported.
SB 149: Sequence control
Version
Date
CRC
1.0
16.07.97
C3A9
1.1 19.03.98 29F1
Changes from Version 1.0 to Version 1.1
• Addition of input parameter
STEP.
- This input parameter signals burner start-up for the duration of a cycle.
- Input parameter
STEP replaces the internally used Bit 0 from DW 1021
in DB 015.
- This allows you to operate several work cycles (e.g. burners) on one
PSS.
STOP
STOP