Example Of Stop, End, And Wdr Instructions For Simatic Lad, Stl, And Fbd - Siemens SIMATIC S7-200 System Manual

Stop, End, and WDR Example
Network 1
SM5.0
.
.
.
Network 15
M5.6
.
.
.
Network 78
I0.0
.
.
.
Network 1
SM5.0
Network 15
M5.6
Network 78
I0.0
Figure 9-51
S7-200 Programmable Controller System Manual
A5E00066097-02
LAD
When an I/O error is detected,
STOP
force the transition to STOP mode.
When M5.6 is on, retrigger the
WDR Watchdog Reset (WDR) to allow
the scan time to be extended.
When I0.0 is on,
END
terminate the main program.
When an I/O error is detected,
STOP
force the transition to STOP mode.
WDR When M5.6 is on, retrigger the
Watchdog Reset (WDR) to allow
the scan time to be extended.
When I0.0 is on,
END
terminate the main program.
Example of Stop, End, and WDR Instructions for SIMATIC LAD, STL, and
FBD
SIMATIC Instructions
Network 1
LD
STOP
.
.
.
Network 15
LD
WDR
.
.
.
Network 78
LD
END
FBD
STL
SM5.0
M5.6
I0.0
9-147