Routing ControlLogix to ControlLogix via Ethernet, DH+, ControlNet and Ethernet

Product catalog summary

Overview: This document provides a technical description of routing between ControlLogix devices via Ethernet, DH+, and ControlNet networks. It details the configuration and communication paths for devices identified by specific IP addresses and slot configurations.

Device Configuration:

ControlLogix (A): Contains a Logix 5550 CPU in Slot 0, a 1756-DHRIO module in Slot 1 (Channel B = Node 11), a 1756-CNB module in Slot 2 (Channel A = Node 4), and a 1756-ENBT module in Slot 3 with IP 192.168.125.116.
ControlLogix (B): Contains a Logix 5550 CPU in Slot 0, a 1756-DHRIO module in Slot 1 (Channel A = Node 8), a 1756-CNB module in Slot 2 (Channel A = Node 13), and a 1756-ENBT module in Slot 3 with IP 192.188.185.117.
ControlLogix (C): Contains a Logix 5550 CPU in Slot 0, a 1756-DHRIO module in Slot 1 (Channel A = Node 7), a 1756-CNB module in Slot 2 (Channel A = Node 15), and a 1756-ENBT module in Slot 3 with IP 192.180.140.118.
ControlLogix (D): Contains a Logix 5550 CPU in Slot 0, a 1756-DHRIO module in Slot 1, a 1756-CNB module in Slot 2, and a 1756-ENBT module in Slot 3 with IP 192.192.140.110.

Routing Path: The routing path is described using a sequence of slots and nodes:

Start at IP 192.168.111.116, Port 1, Slot 1 of Device A (1756-DHRIO module).
Exit Port 2 of the 1756-DHRIO module in Device A to Node 8 of Device B.
Enter Port 1 of the 1756-DHRIO module in Device B, Slot 2 (1756-CNB module).
Exit Port 2 of the 1756-CNB module in Device B to Node 15 of Device C.
Enter Port 1 of the 1756-CNB module in Device C, Slot 3 (1756-ENBT module).
Exit Port 2 of the 1756-ENBT module in Device C to IP 192.192.140.110 of Device D.

Interface Module Ports:

1756-ENBT: Port 1 connects to the Back plane, Port 2 connects to the Ethernet Network.
1756-DHRIO: Port 1 connects to the Back plane, Port 2 connects to the DH+ Network on Channel A, Port 3 connects to the DH+ Network on Channel B.
1756-CNB: Port 1 connects to the Back plane, Port 2 connects to the ControlNet Network.

Communication Protocols: The document outlines the use of Ethernet, DH+, and ControlNet for communication between ControlLogix devices, with specific IP addresses and node configurations facilitating the routing process.

Catalog excerpts

Routing ControlLogix to ControlLogix via Ethernet, DH+, ControlNet and Ethernet-1

Routing ControlLogix to ControlLogix via Ethernet, DH+, ControlNet and Ethernet Description of KEPServerEX device ID 192.168.111.116,1,[1,2,8,1,2,2,15,1,3,2,192.192.140.110,1],0 OPC Client Application AB CLX CLX C 0 1 2 3 CLX D 0 1 2 3 B CLX A 0 1 2 3 ControlLogix (A) Slot 0 = Logix 5550 Slot 1 = 1756-DHRI0 Channel B = Node 11 Slot 2 = 1756-CNB Channel A = Node 4 Slot 3 = 1756-ENBT IP = 192.168.125.116 Logix 5550 to Logix 5550 via DH+, ControlNet and Ethernet ControlLogix (B) Slot 0 = Logix 5550 Slot 1 = 1756-DHRI0 Channel A = Node 8 Slot 2 = 1756-CNB Channel A = Node 13 Slot 3 = 1756-ENBT IP = 192.188.185.117 CLX B 0 1 2 3 ControlLogix (C) Slot 0 = Logix 5550 Slot 1 = 1756-DHRI0 Channel A = Node 7 Slot 2 = 1756-CNB Channel A = Node 15 Slot 3 = 1756-ENBT IP = 192.180.140.118 ControlLogix (D) Slot 0 = Logix 5550 Slot 1 = 1756-DHRI0 Slot 2 = 1756-CNB Slot 3 = 1756-ENBT IP = 192.192.140.110 Ethernet DH+ ControlNet Ethernet Ethernet DH+ ControlNet 192.168.111.116 = IP of 1756-ENBT module of Device A ,1 = Port # of the 1756-ENBT module where you gain access to the Back plane of the ControlLogix PLC (see port reference key) ,[1 = Onto Slot 1 of Device A (1756-DHRIO module) ,2 = Out of Port 2 of the 1756-DHRIO module in Device A where Channel A = Port 2 (see port reference key) ,8 = Into Node 8 of Device B ,1 = Port # of the 1756-DHRIO module where you gain access to the Back plane of the ControlLogix PLC (see port reference key) ,2 = Onto Slot 2 of Device B (1756-CNB module) ,2 = Out of Port 2 of the 1756-CNB module in Device B (see port reference key) ,15 = Into Node 15 of Device C ,1 = Port # of the 1756-CNB where you gain access to the Back plane of the ControlLogix PLC (see port reference key) ,3 = Onto Slot 3 of Device C (1756-ENBT module) ,2 = Out of Port 2 of the 1756-ENBT module in Device C (see port reference key) .192.192.140.110 = IP of 1756-ENBT module of Device D ,1] = Port # of the 1756-ENBT module where you gain access to the Back plane of the ControlLogix PLC (see port reference key) ,0 = Slot # of the Logix 5550 CPU on the Target Device (see Target Device description) INTERFACE MODULE PORT 1 PORT 2 PORT 3 1756-ENBT Back plane Ethernet Network N/A 1756-DHRIO Back plane DH+ Network on Channel A DH+ Network on Channel B 1756-CNB Back plane ControlNet Network N/A SoftLogix EtherNet/IP Messaging Virtual Back plane Ethernet Network N/A

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