Computer Aided Design Of Relay Ladder Logic Via State Transition Diagram

R. Devanathan; Foo Yung Kuan; Chang Chiew Jun; Choo Siew Aun

doi:10.1117/12.943260

19 October 1987 Computer Aided Design Of Relay Ladder Logic Via State Transition Diagram

R. Devanathan, Foo Yung Kuan, Chang Chiew Jun, Choo Siew Aun

Proceedings Volume 0857, IECON'87:Automated Design and Manufacturing; (1987) https://doi.org/10.1117/12.943260
Event: IECON, Cambridge, 1987, Cambridge, MA, United States

Abstract

Programmable logic controllers (PLCs) are commonly programmed using relay ladder logic. There are many disadvantages to this approach. The state transition diagram affords a systematic means of providing precise and unambiguous specification while at the same time yielding a good system overview for ease of troubleshooting and maintenance. Computer aided logic design techniques help to automate the process of relay logic design for the state transition diagram. A software package which runs on an IBM PC/compatible machine has been developed to automatically transform the state diagram specification into relay ladder logic and the associated (PLC dependent) source code.

Citation Download Citation

R. Devanathan, Foo Yung Kuan, Chang Chiew Jun, and Choo Siew Aun "Computer Aided Design Of Relay Ladder Logic Via State Transition Diagram", Proc. SPIE 0857, IECON'87:Automated Design and Manufacturing, (19 October 1987); https://doi.org/10.1117/12.943260

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