A conveyance controller communicably connected to a first working instrument and a second working instrument on the basis of a predetermined communication protocol, and controlling a first conveyor and a second conveyor, the first working instrument being a printer, a sewing machine, or a machine tool provided in the first conveyor conveying a holder holding a target object and being configured to perform processing on the target object held by the holder conveyed by the first conveyor,
- and the second working instrument being a printer, a sewing machine, or a machine tool provided in the second conveyor conveying the holder, and being configured to perform processing on the target object held by the holder conveyed by the second conveyor,
- the holder being a platen when the first and the second working instrument are a printer, an embroidery frame when the first and the second working instrument are a sewing machine, or a table when the first and the second working instrument are a machine tool,
- the conveyance controller performing processes comprising:
- acquiring, when the first working instrument performs processing, first conveyance identification information associated with first working instrument identification information, from a storage, and causing the first conveyor to convey the holder on the basis of the acquired first conveyance identification information, the storage storing the first working instrument identification information configured to identify the first working instrument on the basis of the communication protocol in association with the first conveyance identification information configured to identify the first conveyor and storing second working instrument identification information configured to identify the second working instrument on the basis of the communication protocol in association with second conveyance identification information configured to identify the second conveyor;
- and
- acquiring, when the second working instrument performs processing, the second conveyance identification information associated with the second working instrument identification information, from the storage, and causing the second conveyor to convey the holder on the basis of the acquired second conveyance identification information.