IN-PLANT PORTABLE EQUIPMENT POSITION DISPLAY DEVICE

摘要

PURPOSE:To quickly send persons concerned to a fall-down site and speedily rescure injured persons by providing a portable machine with a fall-down detecting means and including fall-down information in a message sent from a line control unit to the portable machine position display device. CONSTITUTION:The fall-down message sent from the portable machine is received by a repeater connection device in the zone wherein the portable machine is positioned and the repeater connection device reports this information to the line control unit 50. The line control unit 50 specifies the portable machine position in the fall-down state in zone units. The line control unit 50 informs the portable machine position display device 60' immediately that the fall-down message is received. The portable machine position display device 60' receives the message by a fall-down information decision means 6 through a portable machine information receiving means 1 and transfers the received message to a portable machine position information display means 3'. The portable machine position information display means 3' once receiving a fall-down information display request visualizes and displays the zone and portable machine ID as the fall-down information.