Pilz PSS SB FT, Basic license - Manual (Page 4)

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Contents
Modular Block System: Burner Management
SB154: Control and position monitoring of valves 4-4
SB155: Pre-purge 4-4
SB156: Tightness control 4-4
SB157: Several ignition attempts 4-4
SB158: Ignition 4-5
SB159: Run 4-5
SB160: Blower 4-5
MBS Basics 5-1
Block design 5-1
Structure 5-1
Formal parameters and actual parameters 5-2
Administration data blocks DB015, DB016 and DB017 5-3
Structure of the administration data blocks 5-3
Blocks contained in the administration data blocks 5-5
Input parameter SSNR 5-7
Example 5-8
Fault diagnostics 5-9
Error types 5-9
Fault diagnostics using the administration data blocks 5-10
Temporary flag range in MBS blocks 5-11
Output parameter ENBL 5-11
Assignment of input and output parameters 5-12
Minimum scan time 5-12
Global parameters 5-13
Standard Function Blocks 6-1
SB149: Sequence control 6-1
Block header 6-1
Input parameters 6-1
Output parameters 6-2
Function: 6-2
Error messages 6-3
Blocks required 6-3