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Key Advantage: Cross Communications Capabilities
For high-performance deterministic motion control, the typical architecture (including the Sercos I and II interfaces) utilizes a master-slave communications path. If a drive is a slave of (that is, follows) another drive’s velocity, the information must travel from the master drive to the control, and then to the slave drive. With Sercos III, drive-to-drive cross communications is enabled. Slave devices can communicate directly with one another without adding time delays and control processor overhead by going through the master. This concept has been extended to support controller-to-controller (C2C) or machine-2-machine communication. Sercos III provides a standardized method for exchanging controller level synchronization information, allowing multiple machines to be linked and adding to the modularity of a machine or production line. This provides a key benefit for today’s manufacturers that may need to expand or reconfigure production platforms in response to fast-changing market
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