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Routing ControlLogix to PLC5 via Ethernet, DH+ and ControlNet

Routing ControlLogix to PLC5 via Ethernet, DH+ and ControlNet

Product catalog summary
Overview: This document provides a technical description of routing between ControlLogix and PLC5 systems using Ethernet, DH+ (Data Highway Plus), and ControlNet networks. It details the configuration and communication paths for devices within the network.
Device Configuration:
  • ControlLogix (A): Contains a Logix 5550 processor in Slot 0, a 1756-DHRIO module in Slot 1 (Channel B as Node 11), a 1756-CNB module in Slot 2 (Channel A as Node 4), and a 1756-ENBT module in Slot 3 with IP 192.168.125.116.
  • ControlLogix (B): Similar setup with a Logix 5550 processor in Slot 0, a 1756-DHRIO module in Slot 1 (Channel A as Node 8), a 1756-CNB module in Slot 2 (Channel A as Node 13), and a 1756-ENBT module in Slot 3 with IP 192.188.185.117.
  • PLC5 (C): Connected via ControlNet with Channel A as Node 3.
Communication Path:
  • The communication path is established from ControlLogix (A) to ControlLogix (B) and then to PLC5 (C) using a combination of Ethernet, DH+, and ControlNet.
  • The path is described using a specific device ID format: 192.168.111.116,1,[1,2,8,1],2.A.3, which outlines the sequence of modules and nodes traversed.
Interface Module Details:
  • 1756-ENBT: Connects the backplane to the Ethernet network.
  • 1756-DHRIO: Connects the backplane to DH+ networks on Channels A and B.
  • 1756-CNB: Connects the backplane to the ControlNet network.
Key Points:
  • The document emphasizes the importance of correct slot and node configuration for successful communication.
  • It provides a port reference key to understand the routing path through various modules and networks.
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Catalog excerpts

Routing ControlLogix to PLC5 via Ethernet, DH+ and ControlNet -1

Routing ControlLogix to PLC5 via Ethernet, DH+ and ControlNet TECHNOLOGIES Description of KEPServerEX device ID 192.168.111.116,1,[1,2,8,1],2.A.3 OPCClientApplicationAB CLXPLC5CCLXB0123CLXA0123ControlLogix (A)Slot 0 = Logix 5550Slot 1 = 1756-DHRI0Channel B = Node 11Slot 2 = 1756-CNBChannel A = Node 4Slot 3 = 1756-ENBTIP = 192.168.125.116Logix 5550 to Logix 5550 to PLC5 via Ethernet, DH+ and ControlNet ControlLogix (B)Slot 0 = Logix 5550Slot 1 = 1756-DHRI0Channel A = Node 8Slot 2 = 1756-CNBChannel A = Node 13 Slot 3 = 1756-ENBTIP = 192.188.185.117PLC5 (C)ControlNetChannel A = Node 3CLXB0123EthernetDH+ControlNetEthernetDH+ControlNet 192.168.111.116 = 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 the 1756-DHRIO module of Device A ,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 (see port reference key) ,2 = Onto Slot 2 of Device B (1756-CNB module) .A = Out of Channel A 1756-CNB module in Device B .3 = Into Node 3 of 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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