4.2 Creating Ladder Programs
4-56
5.
Repeat steps 1 to 4 until you have entered the entire ladder program. The following
example shows a ladder program and its timing chart.
Note: The ladder program example that is shown above uses M registers for switches and lamps.
When you enter a ladder program for an actual system, use the appropriate I and O registers.
To insert a comment, right-click the tab with the row number, and select Insert Rung
Comment.
5 s
ON
OFF
ON
OFF
SW1 (MB00000)
ON
OFF
SW2 (MB00001)
Lamp 1 (MB00010)
AND Circuit Operation
SW3 (MB00002)
ON
OFF
Timer Circuit Operation
Timer (DW00000)
Lamp 2 (MB00011)
ON
OFF
5
0
<Timing Chart Example>