Rockwell Automation Publication 440R-UM013G-EN-P - December 2022 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 safety 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 54
). See publication 440R-UM009 for more details on the EtherNet/IP module. The
safety relays must be Series A 200 or later.
Figure 54 - Arrangement of EtherNet/IP Module and Safety Relays
Webpage The catalog number 440R-ENETR EtherNet/IP module maintains its own webpage (see
Figure 55 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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