18 Rockwell Automation Publication 1756-UM022D-EN-P - May 2017
Chapter 1 System Overview
Select Communication
Networks
The GuardLogix controller supports communication that lets it do the
following:
• Distribute and control Safety I/O on DeviceNet or EtherNet/IP
networks
• Distribute and control remote Safety I/O on DeviceNet, EtherNet/IP,
or ControlNet networks
• Produce and consume safety tag data between 1756 and 1768
GuardLogix controllers across EtherNet/IP or ControlNet networks or
within the same ControlLogix chassis
• Distribute and control standard I/O on Ethernet, ControlNet, or
DeviceNet networks
Use these communication modules to provide an interface between
GuardLogix controllers and network devices.
The GuardLogix controller can connect to the Logix Designer application via
a USB port, an Ethernet module, or a ControlNet module.
See
Additional Resources on page 11 for more information on network
communication modules.
Table 6 - Communication Modules
To interface between Use this module See these installation
instructions
The GuardLogix controller and DeviceNet
devices
1756-DNB
DNET-IN001
The GuardLogix controller and EtherNet/IP
devices
1756-ENBT
1756-EN2T
1756-EN2F
1756-EN2TR
1756-EN3TR
1756-EN2TXT
1756-EN2TRXT
ENET-IN002
Controllers on the ControlNet network
1756-CN2
1756-CN2R
1756-CN2RXT
CNET-IN005
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