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Allen-Bradley Compact GuardLogix 5370 User Manual

Allen-Bradley Compact GuardLogix 5370
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74 Rockwell Automation Publication 1769-UM022C-EN-P - June 2018
Chapter 5 Communicate Over Networks
Devices Excluded from the Node Count
When considering the Ethernet node limitation of a Compact GuardLogix
5370 controller, you do not count Ethernet devices that exist on the EtherNet/
IP network but are not added to the I/O configuration section of the project.
The following devices are not added to the I/O configuration section in your
project and are not counted among the total number of nodes:
•Computer
HMIs that are not added to the I/O configuration section, for example,
PanelView™ Plus terminals
•MSG instructions
Devices with which the Compact GuardLogix 5370 controllers use a
socket interface to communicate.
For example, the following devices require communication via a socket
interface:
–Modbus TCP/IP device
Barcode scanners
EtherNet/IP Network Topologies
Compact GuardLogix 5370 controllers support these EtherNet/IP network
types:
Device Level Ring (DLR) Network Topology
Linear Network Topology
Star Network Topology
Each of these EtherNet/IP network topologies supports applications that use
Integrated Motion over an EtherNet/IP network.
Device Level Ring (DLR) Network Topology
A DLR network topology is a single-fault tolerant ring network that is
intended for the interconnection of automation devices. A DLR network is
comprised of Supervisor (Active and Backup) nodes and Ring nodes.
DLR network topologies automatically convert to linear network topologies
when a fault is detected. The conversion to the new network topology
maintains communication of data on the network. The fault condition is
typically easily detected and corrected.

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Allen-Bradley Compact GuardLogix 5370 Specifications

General IconGeneral
BrandAllen-Bradley
ModelCompact GuardLogix 5370
CategoryController
LanguageEnglish

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