ControlLogix Gateway Routing for Connecting Rockwell AB Controllers

EtherNet/IP Gateway Support

EtherNet/IP Gateway provides a means of communicating with MicroLogix, SLC 500, and PLC-5 series PLC on EtherNet/IP using the Allen-Bradley ControlLogix Ethernet Driver.

Requirements:

• 2 or more EtherNet/IP Interface modules (such as 1756-ENBT).

• MicroLogix, SLC500, or PLC-5 series PLC with EtherNet/IP connectivity.

Full details of the EtherNet/IP Gateway Device ID formatting, including an example, is available in the Appendices -> EtherNet/IP Gateway Setup section of the ControlLogix Ethernet driver help file.

Routing Path Examples

Due to the complex nature and sheer number of possible combinations of routing paths of this feature, examples provide the best tutorial.

The following examples include the entire the routing path portion of the Device ID minus the IP of the local ControlLogix ethernet module (located in Slot 3 of the ControlLogix in Position A of the diagram to the right).

So for reference, each of the routing paths below would be preceded by 192.192.181.116 followed by a comma when entered in the ControlLogix Ethernet driver Device ID field.

1. PLC-5 (D) via DH+ Gateway
   • Model - DH+ Gateway: PLC-5
   • Path - 1,1.B.9
2. PLC-5C (B) via ControlNet Gateway
   • Model - ControlNet Gateway: PLC-5C
   • Path - 1,2.A.1
3. Logix 5500 (C) via Routing over DH+
   • Model - ControlLogix 5500
   • Path - 1,[1,2,8,1],0
4. PLC-5/80C (E) via ControlNet Gateway / Routing over DH+
   • Model - ControlNet Gateway: PLC-5C
   • Path - 1,[1,2,8,1],2.A.3
5. Logix 5500 (C) via Routing over DH+ / ControlNet
   • Model - ControlLogix 5500
   • Path - [1,2,8,1,2,2,15,1],0
6. SLC 5/04 (G) via Routing over DH+ / ControlNet
   • Model - DH+ Gateway: SLC 5/04
   • Path - [1,2,8,1,2,2,15,1],1.A.2
7. Logix5500 (H) via Routing over DH+ / ControlNet / Ethernet
   • Model - ControlLogix 5500
   • Path - [1,2,8,1,2,2,15,1,3,2,192.192.180.101,1],0

For further details on building a connection/routing path, see the ControlLogix Ethernet driver help file under the topic Appendices -> Communications Routing.