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Railway Signaling Systems
KOMIC(Kyosan Micro Computer)
The first-generation KOMIC was developed in the 1970s as programmable controlling equipment for PTC. Micro processing units (MPU) were not then available, so the MPU was configured using TTL-IC and the core memory. Subsequently, K-10 was developed when the 8-bit MPU was launched, and was used widely with TTC, CTC and guidance devices. The K-30 that was commercialized in 1994 configured the basic platform for the future, by adopting LynxOS and a standardized interface. Now, KOMIC has evolved into K-40 (2002) for assembly, K-50 (2003) for high-performance equipment, and K-50 (FA) (2006) to replace the FA computer utilizing the basic platform. All have found widespread application as general-purpose signal controlling computers.
Concept History of KOMIC

Traffic signals are required to remain in service continuously 24 hours a day for more than 10 years, under diverse environmental conditions on site. Long-term supplies of hardware and software are also required, to ensure system expandability and maintainability after installation. Given this situation, the hardware and software of KOMIC have been developed in-house based on the three keywords of high reliability, maintainability and expandability.

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