Rockwell-automation 1794-L34 FlexLogix Controller System User Manual Manuel d'utilisateur Page 23

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Publication 1794-UM001G-EN-P - January 2007
Communicate over Networks 23
The EtherNet/IP communication modules:
support messaging, produced/consumed tags, HMI, and
distributed I/O
encapsulate messages within standard TCP/UDP/IP protocol
share a common application layer with ControlNet and
DeviceNet
interface via RJ45, category 5, unshielded, twisted-pair cable
support half/full duplex 10 Mbps or 100 Mbps operation
support standard switches
require no network scheduling
require no routing tables
In this example:
The controllers can produce and consume tags among each
other.
The controllers can initiate MSG instructions that send/receive
data or configure devices.
The personal computer can upload/download projects to
the controllers.
The personal computer can configure devices on EtherNet/IP.
switch
Distributed I/O
1756-ENBT module
(as an adapter) with 1756
I/O modules
1794-AENT adapter with
1794 I/O modules
workstation
CompactLogix controller
with integrated
EtherNet/IP port
ControlLogix
controller with
1756-ENBT
module
FlexLogix controller with
1788-ENBT card
1734-AENT adapter
with 1734 I/O
modules
PowerFlex 700S AC
drive with DriveLogix
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