Title :
Hot Backup for a Programmable Controller
Author :
Aldrich, Wilbert H.
Author_Institution :
Gould Inc., Modicon Division, Andover, MA 01810.
Abstract :
A standard product which provides a highly available programmable controller is described. The system has no impact on the application programmer and features the ability to have a failed portion of the system replaced without stopping its operation.
Keywords :
Coils; Control systems; Counting circuits; Fault tolerant systems; Indexing; Industrial control; Programmable control; Programming profession; Safety; Systems engineering and theory; Redundancy, fault-tolerance.;
Journal_Title :
Industrial Electronics, IEEE Transactions on
DOI :
10.1109/TIE.1982.356678
