| 摘要 |
<p>Objects are conveyed on a plurality of convey tables between at least one storage unit and a plurality of manufacturing devices. The objects are easily managed by an instruction of a control device with a high reliability and at a low cost. An ID card (20) having a built-in radio communication function is installed in all carriers (18) and an ID reader/writer (25) having a built-in radio communication function is installed in some convey AGV (automated guided vehicles) (10). The carrier ID is read/written from/to the ID card (20) by the instruction of an MCS (4) connected to the ID reader/writer (25). A carrier ID management unit (4a) manages the carrier ID.</p> |
