Siemens SIMATIC S7-GRAPH - Page 102

Programming Actions and Conditions
S7-GRAPH for S7 300/400 Programming Sequential Control Systems
7-26 C79000-G7076-C526-01
Supervision error occurs
(event V1 enters state)
Actions with V1 are executed once in the
next sequencer cycle.
Step activation time Si.U is stopped
Compilation
setting:
Acknowledge
Message in FB parameter ERR_FLT
Ackn. signal?
Ackn. signal or
SV not true?
Si.U:=0
SV not true?
Step enabling
condition true?
Supervision error
leaves state
Event V0 enters
End
Sequencer switches
Supervision error
leaves state
Event V0 enters
Ackn. signal?
Si.U:=0
SV not true?
Step enabling
condition true?
No
Yes
No
Yes
Yes Yes
Yes
Yes Yes
Yes
No
No
No
No
No
No
Supervision error
leaves state
Event V0 enters