| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a switch device system which can be surely turned OFF even if controller means for turning OFF a power supply switch fails to operate, and causes a user of a system or equipment to recognize an abnormal state. <P>SOLUTION: A switch or equipment in which switch contact OFF can be made only by control from the outside, preparing for the case that the control from the outside falls into an impracticable state, is configured to execute the switch contact OFF after detecting this abnormal state and detecting a switching-OFF operation by a user, or configured to execute the switch contact OFF when detecting a push of a compulsive switching-OFF operation button by the user after detecting the switching-OFF operation by the user. <P>COPYRIGHT: (C)2013,JPO&INPIT |
