RADIO REMOTE OPERATION DEVICE FOR OVERHEAD TRAVELING CRANE OF HOIST TYPE

摘要

PROBLEM TO BE SOLVED: To provide a radio remote operation device for hoist type overhead traveling cranes which are operated simultaneously, wherein there is no risk of selecting the same operating channel or adjoining operating channels. ;SOLUTION: An operation side electric wave processing part 8 to transmit radio waves for control of each hoist type overhead crane to a hoist side radio wave processing part 9 installed in a hoist control board 3 of a hoist body 1 decides a start channel to search an empty channel with radio waves on the basis of the ID code prepared previously and a comparison table with the start channel and senses the empty channel upon starting with the decided start channel. The operating channel for operation of the overhead crane is set from the sensed empty channel.;COPYRIGHT: (C)1999,JPO