| 摘要 |
A sheet handling system having a number of sheet processing modules (1-4) linked together to enable sleets to pass between them. Each sheet processing module (1-4) includes at least one sheet monitoring or handling component and a set of nodes (23, 32, 43, 62), each including a processor, wherein each sheet processing module is controlled by one or more nodes. A distributed control system is arranged logically into a number of subsystems, the functions of each subsystem being performed by one or more of the nodes. A communications network (24) links the nodes together to enable the nodes to operate in synchronism and to communicate with each other.
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