Omron SYSMAC CJ - REFERENCE MANUAL 08-2008 Reference Manual page 957

Programmable controllers

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Step Instructions

The above programming is used when steps A and B cannot be executed

simultaneously. For simultaneous execution of A and B, delete the execution

conditions illustrated below.

Note In the above example, where SNXT(009) is executed for W00002, the branch-

ing moves onto the next steps even though the same control bit is used twice.

This is not picked up as an error in the program check using the CX-Program-

mer. A duplicate bit error will only occur in a step ladder program only when a

control bit in a step instructions is also used in the normal ladder diagram.

Step (A) ladder program

Step (B) ladder program

Step (C) ladder program

Section 3-22

Chapters

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