Process for generating program listings for programming a logic

Details Process for generating program listings for programming a logic Process for generating program listings for programming a logic

1998-10-13

2000-12-26

Gordon, Paul P.

Data processing: generic control systems or specific application

Generic control system, apparatus or process

Having preparation of program

700 18, G05B 1942

Patent

active

061673196

ABSTRACT:
A process is provided for generating a flow chart representing a control program defined by associative relationships between program levels, states and conditions, each condition specifying a transition from an associated one of the states as a source state to a corresponding selected destination state upon satisfaction of the condition during execution of the control program by the logic control unit. Each program level defines a sub-process of the control program. The process includes the steps of rendering on a chart: a first group of state indicators each representing a corresponding one of a first plurality of the states, and including an associated first state anchor point; a first group of condition indicators each being associated with a corresponding one of the first group of state indicators, each of the first group of condition indicators indicating a corresponding one of a first plurality of the conditions, and including an associated first condition anchor point; a second group of state indicators each indicating a corresponding one of a second plurality of the states, and including an associated second state anchor point; a second group of condition indicators each being associated with a corresponding one of the second group of state indicators, each of the second group of condition indicators indicating a corresponding one of a second plurality of the conditions, and including an associated second condition anchor point; and for each of the conditions, a corresponding transition indicator indicative of transition information specified by the condition.

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