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YASKAWA SGMAS User Manual
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Contents
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6 SynqNet™ Communications6.2.1 Specifications6-46.2 Specifications and Configurations6.2.1 Specifications6.2.2 SynqNet Communications Connection Example(1) Configuration Elements(a) ControllerThe controller is the SynqNet network host. There should only be one controller per network.(b) NodesA node is a slave and not the controller, unless otherwise stated.(c) TerminatorAn optional loopback connector placed at the end of a node chain in a string topology.(2) TopologySynqNet supports a ring topology where the network nodes are connected in series back to the SynqNet control-ler.In a ring topology, if any one cable or node fails, the network will redirect packet data around the break andnotify the application with an event. The location of the break can be determined by the application.String topology (opened or terminated) is also supported where the network nodes are not connected back to theSynqNet controller. If a cable breaks, the nodes downstream from the break will no longer be able to send/receivepackets to/from the controller. The advantage of using a terminator on the last node is that the network initializa-tion time is reduced, because the controller can deterministically find the last node on a network. Both stringtopology types do not support fault recovery.Item SpecificationBuffer Update Rate 16 kHzNode Coordination Support for up to 32 coordinated axesTopology Ring or String |
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