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Old 20th May 2017, 18:35   #16
Tim M
Join Date: 9 Jul 2016
Posts: 14
Default Westinghouse alternative

The WESTRACE Computer Based Interlocking (now Siemens Trackguard WESTRACE) system uses single processor using a true and complementary system to achieve safety to Safety Integrity Level 4. The Mk2 system has redundancy capabilities by duplicating both the interlocking module and the various Input and Output modules, with as the link below says hot swap capabilities.

WESTRACE has been in service in many countries around the world for about 25 years.

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