
The Global Standard for Machine-to-Machine Communication in SMT Assembly
1 SCOPE
The aim of this specification is to create a state-of-the-art communication protocol for handling board transfers and associated data at surface-mount technology (SMT) production lines. Therefore, this new communication protocol has to cope with the following:
. Replace the electrical SMEMA interface as specified in IPC-SMEMA-9851
. Extend the interface to communicate:
. Unique identifiers for the handled printed circuit boards (PCBs)
. Equipment identifiers of the first machine noticing a PCB
. Barcodes
. Conveyor speed and intended board route
. A lightweight digital twin of the product containing, e.g.,
. Product type identifier
. Length
. Width
. Thickness
. Board state
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