Rockwell Automation Publication 440R-UM013F-EN-P - July 2021 51
Chapter 10
Ethernet Communication
The DI, DIS, EM, EMD, and SI safety relays are equipped with optical
communication via an optical link. With an optical link, diagnostic data can be
read from these relays and transferred to other devices over EtherNet/IP™ with
the catalog number 440R-ENETR EtherNet/IP module. The CI safety relay does
not have an optical link.
The catalog number 440R-ENETR EtherNet/IP module must be in the leftmost
position (see Figure 53
). See publication 440R-UM009 for further details on the
EtherNet/IP module. The safety relays must be Series A 200 or later.
Figure 53 - Arrangement of EtherNet/IP Module and Safety Relays
Webpage The catalog number 440R-ENETR EtherNet/IP module maintains its own
webpage (see Figure 54 on page 52). To access the webpage, connect an
Ethernet cable to your computer, open a web browser, and type in the IP
address of the ENETR module.
The webpage is only available with the 440R-ENETR Series A. The webpage is
not available in Series B or later.
EtherNet/IP
Module
Up to Six Safety Relays
(in any order)
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