Yaskawa YASNAC PC NC PLC Programming Manual - Manual (Page 13)

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YASNAC PCNC PLC Programming Manual Chapter 2: Sequence Program Development Procedure
2.1 SEQUENCE PROGRAM DEVELOPMENT
The development procedure for PCNC is shown below.
Fig. 2.2 YASNAC PCNC Sequence Program Development Procedure
PCNC
Processing on the Desk
Processing at Personal Computer
Determining the number of I/O points
Creating the I/O signal allocation table
Creating the sequence ladder
Completion of list of I/Os
Programming
Compile and link (object coding)
Saving the binary file to Floppy
Storing the sequence ladder
Without errors?
YES NO