| 摘要 |
A main conveyer structure 3 incorporates a controller 40 having function to control rotation of conveyer rollers 2. The controller 40 incorporates a plurality of I/O ports 42 for exchanging data signal with respective controllers 40 of conveyer units 1 adjoining in four directions. The I/O ports 42 stores the numbers registered for respective conveyer units 1 in the course of transmitting and receiving the registerable number to and from the controller 42, and then, based on the registered numbers stored in the I/O ports 42, the controller 40 prepares a table for designating direction of driving respective conveyer units 1. By referring to the prepared table designating registered numbers of the start conveyer unit 1 and the destination conveyer unit 1, the controller 40 correctly determines the direction of driving the rollers 2 based on data for conveyance yielded from the table.
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