Ethernet/ip communication, Connections over the ethernet/ip network – Rockwell Automation 1768-L45S Compact GuardLogix Controllers User Manual
Page 45

Rockwell Automation Publication 1768-UM002C-EN-P - April 2012
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Communicate over Networks
Chapter 4
EtherNet/IP Communication
For CIP Safety communication, including Safety I/O module control, choose a
1768-ENBT module, series A, revision 3 or later.
For standard EtherNet/IP communication, choose a 1768-ENBT or
1768-EWEB communication module, series A, revision 3 or later.
EtherNet/IP communication modules provide the following features:
•
Support for messaging, produced/consumed tags, HMI, and distributed
I/O.
•
Encapsulated messages within standard TCP/UDP/IP protocol
•
A common application layer with ControlNet and DeviceNet networks
•
Interface via RJ45, category 5, unshielded, twisted-pair cable
•
Support for half/full duplex 10 M or 100 M operation
•
Work with standard switches
•
No network scheduling required
•
No routing tables required
These software products are available for EtherNet/IP networks.
Producing and Consuming Data via an EtherNet/IP Network
The controller supports the ability to produce (send) and consume (receive) tags
over an EtherNet/IP network. Produced and consumed tags each require
connections. The total number of tags that can be produced or consumed is
limited by the number of available connections.
Connections over the EtherNet/IP Network
You indirectly determine the number of connections the safety controller uses by
configuring the controller to communicate with other devices in the system.
Connections are allocations of resources that provide more reliable
communication between devices compared to unconnected messages (message
instructions).
Table 5 - Software for EtherNet/IP Modules
Software
Purpose
Required
RSLogix 5000 programming
software
This software is required to configure the controller project and
define EtherNet/IP communication.
Yes
BOOTP/DHCP utility
This utility comes with RSLogix 5000 software. You can use this
utility to assign IP addresses to devices on an EtherNet/IP network.
No
RSNetWorx™ for EtherNet/IP
software
You can use this software to configure EtherNet/IP devices by IP
addresses and/or host names.
No
RSLinx software
You can use this software to configure devices, establish
communication between devices, and provide diagnostics.
Yes