John J Kolat, 675130 University Dr, Geneva, OH 44041
John Kolat Phones & Addresses
Geneva, OH
115 Mill St, Leetonia, OH 44431
Columbiana, OH
Youngstown, OH
Warren, OH
Lowellville, OH
Diamond, OH
Ashtabula, OH
Work
Position:
Sales Occupations
Education
Degree:
Associate degree or higher
Mentions for John J Kolat
Publications & IP owners
Us Patents
Programmable Controller With Ladder Diagram Macro Instructions
US Patent:
5295059, Mar 15, 1994
Filed:
Sep 9, 1992
Appl. No.:
7/942254
Inventors:
Jeffery W. Brooks - Mentor-on-the-Lake OH
Michael D. Yoke - Mentor OH
John J. Kolat - Mentor OH
Michael D. Yoke - Mentor OH
John J. Kolat - Mentor OH
Assignee:
Allen-Bradley Company, Inc. - Milwaukee WI
International Classification:
G06F 1546
G05B 1900
G05B 1900
US Classification:
364147
Abstract:
A machine is operated by a programmable controller that executes a ladder logic control program. A custom ladder logic processor is provided for high speed execution of the more common ladder logic instructions and a microprocessor interprets the remaining ladder logic instructions. A first section of memory contains a ladder logic control program in which some of the instructions are macro instructions executable by the ladder logic processor. Each macro instruction specifies an operation code, a first memory file containing data to be processed by the macro instruction, a second memory file containing control data governing the processing, and a storage location for results produced by execution of the macro instruction. Another memory section stores a library file containing a ladder logic software routine for each macro instruction, and stores a directory which identifies a starting location of the macro instruction routine for each operation code. When a macro instruction is encountered in the control program, the corresponding ladder logic software routine is executed.
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