Rockwell Automation Publication 1769-UM021I-EN-P - May 2018 123
Communicate over Networks Chapter 6
– 1769-L38ERM
– 1769-L38ERMK
– 1769-L38ERMO
(1)
• Socket interface to communicate with Ethernet devices that do not
support the EtherNet/IP application protocol
• Duplicate IP address detection
• Unicast and multicast communication
• Support messaging, produced/consumed tags, HMI, and distributed
I/O
• Interface via RJ45, twisted-pair cables
• Support half/full-duplex 10 Mbps or 100 Mbps operation
• Support standard switches
• No network scheduling required
• No routing tables required
Nodes on an EtherNet/IP Network
When configuring your CompactLogix 5370 control system, you must
account for the number of Ethernet nodes you include in the I/O
configuration section of your project. CompactLogix 5370 controllers have
limits on the number of nodes they support in the I/O configuration section.
Tab le 5
lists the Ethernet node limits for CompactLogix controllers.
Table 5 - CompactLogix 5370 Controller Ethernet Node Guidelines
(1) Available at software version 31 and firmware revision 31.
(1) Available at software version 31 and firmware revision 31.
Cat. No. Ethernet Nodes Supported
1769-L16ER-BB1B 4
1769-L18ER-BB1B 8
1769-L18ERM-BB1B
1769-L19ER-BB1B
1769-L24ER-QB1B 8
1769-L24ER-QBFC1B, 1769-L24ER-QBFC1BK
1769-L27ERM-QBFC1B 16
1769-L30ER
1769-L30ERM, 1769-L30ERMK
1769-L30ER-NSE
1769-L33ER 32
1769-L33ERM, 1769-L33ERMK
1769-L33ERMO
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