Safe for electric money and an electric money system

摘要

A command from an upper device is transferred from a communicating section via three bus interfaces to three command control sections and a result of the command processing is transferred therethrough from each of the command control sections to the communicating section and, a diagnosis command is transferred from the communicating section via three diagnosis check paths to the command control sections and a result of the diagnosis is transferred therethrough from each of the command control section to the communicating section. A command received from the upper device is transferred to a command control section or command control sections confirmed as normal as a result of diagnosis for execution of the command processing.