20 Oct 1996 16:53:19 -0400

Related articles |
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Needed: Ladder Logic to State Graph Program mfreitas@gatecom.com (Michael Freitas) (1996-10-20) |

Re: Needed: Ladder Logic to State Graph Program hbaker@netcom.com (1996-10-24) |

From: | Michael Freitas <mfreitas@gatecom.com> |

Newsgroups: | comp.compilers |

Date: | 20 Oct 1996 16:53:19 -0400 |

Organization: | Gateway Online |

Keywords: | tools, question |

Hello,

I need a program that will derive the state graph of a finite

state machine from

its ladder or boolean logic description.

Put into pictures, what I need is something that will take

this...

| |

+---]/[---] [---+------( )-+

| | |

+---] [---]/[---+ |

| |

| |

+---] [---]/[----------( )-+

| |

| |

Or this...

F1 = A * B' + C

F2 = A'* B + C

F3 = B * C

And turns it into this...

+------+ +------+ +------+

| | | | | |

| S0 +-------->| S1 +-------->| S3 +-------->

| | | | | |

+------+ +------+ +---+--+

^ |

| |

+---------------------------------+

I've been looking for a tool to do this ladder logic-to-state

graph derivation for some time, so any help locating a program that

will do it will be greatly appreciated.

--

------------------------------

+ Mike Freitas +

+ mfreitas@gatecom.com +

--

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