Chapter 6 Writing a Program 
6-9 
6.5
 
Creating a Program
 
The following sections will lead users to create a traditional ladder diagram in ISPSoft. The contents of the 
following sections include creating a POU, editing a traditional diagram, and compiling a program. The users 
are expected to equip themselves with the basic abilities to create a traditional ladder diagram in a short time. 
 
6.5.1
 
Adding a Ladder Diagram
 
(1)  Right-click Programs in the project management area, point to POU on the context menu, and click 
New…. 
 
 
(2)  Type a program name in the POU Name box, select the Ladder Diagram (LD) option button in the 
Language section, and retain the other default values. Click OK after the setting is complete. An item will 
be under Programs in the project management area. The item is a program organization unit (POU).