Pilz PSS SB FT, Basic license User Manual
Page 6
4
Contents
Modular Block System: Burner Management
SB152: Burner: start and operator elements
6-28
Block header
6-28
Input parameters
6-28
Output parameters
6-30
Function
6-30
Error messages
6-31
Blocks required
6-32
Programming guidelines
6-33
Timing diagrams
6-34
Burner start-up without automatic start after a controlled
shutdown
6-34
Failure of safety sequence, flame monitor sequence and general
faults
6-34
Failure of monitor sequence
6-35
Monitoring of air pressure
6-36
Restart after flame failure or flame monitoring fault
6-37
Automatic restart after air deficiency
6-38
Spurious signals
6-38
SB153: Control and position monitoring of flaps
6-40
Block header
6-40
Input parameters
6-40
Output parameters
6-41
Function
6-41
Error messages
6-41
Blocks required
6-42
Programming guidelines
6-43
Timing diagrams
6-44
No automatic start after controlled shutdown
6-44
Monitoring of end positions
6-44
Missing acknowledgement
6-45
Multiple drive commands
6-46
Spurious fault signal reset
6-46
Test to ensure safe monitoring time
6-47
SB154: Control and position monitoring of valves
6-48
Block header
6-48
Input parameters
6-48
Output parameters
6-49
Function
6-49
Error messages
6-49
Blocks required
6-50
Programming guidelines
6-51