SECTION 2
Designing Systems
This section explains how to construct a CP1L system, using a 
shutter control system as an example. 
All subsequent sections are written based on the sample program 
used in this section. 
2-1 Organization of this Manual .................................................. 20
2-2 About the Shutter Control System ........................................ 22
2-2-1 Operation........................................................................ 22
2-2-2 System Components ...................................................... 23
2-3 I/O Allocation for the Shutter Control System ....................... 24
2-4 Example Ladder Program..................................................... 26
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