Pyramid Solutions AB7603 Manuel d'utilisateur Page 44

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DeviceNet 5-3
© 2004 Pyramid Solutions Inc. Publication PUB-AB7603-008
I/O Message Types
The BridgeWay supports all I/O messaging types specified by the DeviceNet pro-
tocol. These include strobe, poll, COS, COS Unacknowledged, Cyclic, and Cyclic
Unacknowledged I/O messages. I/O messaging and I/O parameters are configured
using the DeviceNet configuration tool.
I/O Mapping
The contents and layout of the data in the I/O tables is defined during configura-
tion of the scan list. The input and output data of each slave is configured, or
mapped, to specific locations in the input and output tables.
Proxy for Group 2 Only Devices
The BridgeWay provides the capabilities necessary for being a Group 2 Only Cli-
ent as defined for the Predefined Master/Slave Connection Set. Group 3 explicit
messages destined for a group 2 only device that is configured as a slave to the
BridgeWay will be intercepted and relayed to the slave.
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