[Rung 0]
Title=This a 2 pump fail safe program
Comment=If a low level exists and the pump fail bit is not set, turn on Pump 0
0=3|0|RungNode
1=21|0|LEQ|FCZ,I,0,1,100|If Low Level|Input<100
2=3|0|RungNode
3=7|0|XIO|B,0,0|open if fail|
4=3|0|RungNode
5=8|0|OTE|O,0,0|Turn on|Pump 0
6=3|0|RungNode
[Rung 1]
Title=
Comment=If a low level exists, start a 5 minute timer
0=3|0|RungNode
1=20|0|LES|FCZ,I,0,1,100|If Low Level|Input <100
2=3|0|RungNode
3=12|0|TON|T,0,3,30000||5 min. Timer
4=3|0|RungNode
[Rung 2]
Title=
Comment=If the low level still exists and the timer has expired, and the failure bit is not set, turn on Pump 1
0=3|0|RungNode
1=21|0|LEQ|FCZ,I,0,1,100|If Low Level|Input <100
2=3|0|RungNode
3=6|0|XIC|T,0,2||Timer 0 done
4=3|0|RungNode
5=7|0|XIO|B,0,0|open if fail|
6=3|0|RungNode
7=8|0|OTE|O,0,1|Turn on|Pump 1 
8=3|0|RungNode
[Rung 3]
Title=
Comment=When Pump 1 starts, turn on Timer 1 for 5 minutes
0=3|0|RungNode
1=6|0|XIC|O,0,1|Pump 1 On|
2=3|0|RungNode
3=12|0|TON|T,1,3,30000|5 min. Timer|
4=3|0|RungNode
[Rung 4]
Title=
Comment=If the low level still exists after timer 1 has expired, set the Pump Fail bit which turns off both pumps
0=3|0|RungNode
1=6|0|XIC|T,1,2||Timer 1 done
2=3|0|RungNode
3=9|0|OTL|B,0,0|Set Fail Bit|
4=3|0|RungNode
[Rung 5]
Title=
Comment=Pressing Reset switch resets the Pump Fail bit, which restarts the pumps
0=3|0|RungNode
1=6|0|XIC|I,0,0|Momentary|Reset Switch
2=3|0|RungNode
3=10|0|OTU|B,0,0|Reset Pump|Fail Bit
4=3|0|RungNode