Rockwell Automation Publication 1794-IN082D-EN-P - January 2019 13
FLEX I/O EtherNet/IP Adapters
2. Connect 24V common to the left side of the upper connector,
terminal B
.
3. Connect +24V DC input power to the left side of the lower connector,
terminal C.
4. Use connectors D and E to pass 24V common (D) and 24V DC power
(E) to the next module in the series.
Set the Network Address
The adapter ships with the thumbwheel switches set to 999 and DHCP enabled.
You can set the network Internet Protocol (IP) address in these ways:
• Use the thumbwheel switches on the module.
• Use a Dynamic Host Configuration Protocol (DHCP) server, such as
Rockwell Automation® BootP/DHCP.
• Retrieve the IP address (if previously set) from nonvolatile memory.
The adapter reads the thumbwheel switches first to determine if the switches are
set to a valid number. You set the node address by using the three-position
IMPORTANT We recommend connecting the module to the network via a 100 MB full-
duplex switch, which will reduce network collisions and lost packets, and
increase bandwidth. For detailed Ethernet connection information, see
these publications:
• Ethernet/IP Performance and Application Guide, publication ENET-
AP001
• Ethernet/IP Media Planning and Installation Guide, publication
number ENET-IN001
• Precautions to Increase the Noise Immunity of the 1794-AENT FLEX I/
O Ethernet/IP Adapter System, KnowBase Technote ID 42604
IMPORTANT Do not wire more than 2 conductors on any single terminal.
When connecting wiring, torque terminal screws B, C, D, and E to 0.8 N•m
(7 lb-in).
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