High uptime is a crucial factor for the productivity of McCall Farms, located in Ef- fingham, South Carolina. As part of a project to fully automate its 500,000 square foot plant, McCall Farms installed 4,000 feet of PROFIBUS-networked I/O wiring, numerous touchscreen HMIs and racks with 70 nodes consisting of Beckhoff I/O. “PROFIBUS (for all control) and Ethernet (for information and data gathering) were chosen for their speed and versatility,”

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