| 摘要 |
PROBLEM TO BE SOLVED: To make it possible to carry out input setting work, to position an emergency stopping means nearby and to certainly carry out emergency stopping operation in emergency only in the case when a portable setting means free to efficiently carry out the input setting work and the emergency stopping means are positioned within a specified distance without preventing an interference of an electric cable connecting the emergency stopping means and a main control device to each other in setting and inputting various data by using the portable setting means. SOLUTION: The emergency stopping means 25 is furnished with a distance signal output means to constantly output a distance signal to discriminate a distance from the portable setting means, the portable setting means is provided with a distance discriminating member to discriminate a distance between the emergency stopping means and the portable setting means in accordance with the distance signal from the emergency stopping means, consequently, it is possible to set various data by a portable setting unit when the distance between the emergency stopping means and the portable setting means is within an operational distance of an emergency stopping button and it is impossible to set the various data by the portable setting unit when the distance is within a non-operational distance of the emergency stopping button. COPYRIGHT: (C)2006,JPO&NCIPI
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