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I have written a program for an AB SLC 5/03 for motion control using high speed counter cards and encoders. I am using a Panelview 300 as the operator interface for inputing part size info.
The program works fine but is written very sloppy using trial and error. I needed to add a new process to the program and found it nearly impossible. I started looking into rewriting my program with structured programming using state diagrams and subroutines. I am using SmartDraw to draw my state diagrams. Is there software out there designed specifically for writing PLC state
diagrams? I am also having trouble figuring out the best way to place outputs controlling the positioning motors in my ladder logic as I will have to turn on the same motor in different states or subroutines depending on the part being
processed. I would like some references and examples as to how to correctly setup a structured program. Thanks.
The program works fine but is written very sloppy using trial and error. I needed to add a new process to the program and found it nearly impossible. I started looking into rewriting my program with structured programming using state diagrams and subroutines. I am using SmartDraw to draw my state diagrams. Is there software out there designed specifically for writing PLC state
diagrams? I am also having trouble figuring out the best way to place outputs controlling the positioning motors in my ladder logic as I will have to turn on the same motor in different states or subroutines depending on the part being
processed. I would like some references and examples as to how to correctly setup a structured program. Thanks.