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Allen-Bradley ControlLogix Ethernet Driver Help

ControlLogix, CompactLogix or FlexLogix PLC utilizing the CH0 RS232 Channel. 1761-NET-ENI Device Series B and newer.

Note 1: For communications parameters, database settings, and project/protocol options, ENI ControlLogix, CompactLogix, and FlexLogix users should refer to the "Logix Setup" book in the Table of Contents.

Note 2: To turn on the CompactLogix Routing option (located in the utility's ENI IP Addr tab), use the ENI / ENIW utility supplied by Allen-Bradley. This was tested on an ENI module with Firmware revision 2.31.

Important: The ENI module has a limited number of TCP connections. As such, users should avoid applications that communicate with the module (such as RSLinx/RSWho) so that connections will be available for the driver.

ENI Device ID The Device ID specifies the IP address of the 1761-NET-ENI. Device IDs are specified as the following:

<IP Address>

Designator

Designator Type

IP Address

N/A

Description 1761-NET-ENI IP Address

Formats

Range

Decimal

0-255

Example 123.123.123.123

This equates to an ENI IP of 123.123.123.123. Since the device only supports Full Duplex DF1, a Node ID is not required.

Note: For more information on communications parameters, refer to Logix Communications Parameters.

DataHighwayPlus (TM) Gateway Setup

DH+ Gateway provides a means of communicating with SLC 500 and PLC-5 series PLC on DH+ with the Allen- Bradley ControlLogix Ethernet Driver.

Requirements

Ethernet/IP Interface module. 1756-DHRIO Interface Module with appropriate channel configured for DH+. SLC500 or PLC-5 series PLC on DH+ Network.

Note: DH+ Gateway models do not support automatic tag database generation.

DH+ Gateway Device ID

The Device ID specifies the device IP address as well as the DH+ parameters necessary for making a connection. Device IDs are specified as the following:

<IP or Hostname>,1,[<Optional Routing Path>],<DHRIO Slot>.<DHRIO Channel>.<DH+ Node ID (dec)>

Optional

Multiple Link, Port

Routing Path

pairs

Designator

Designator Type*

IP/Host Name

N/A

1

Port ID

DHRIO Slot

DHRIO Channel DH+ Node ID

Link Address

Description IP Address or host name. Port to backplane.

Formats Decimal Decimal

Specifies a way out of the EtherNet/IP interface module and must equal 1 (port to the back plane).

Decimal

Slot Number of the 1756-DHRIO interface module.

Decimal

DH+ Channel to use.

DH+ Node ID of target PLC in Decimal Format.**

Alpha Decimal

Range 0-255 1

*

0-255

A and B 0-99

*For more information, refer to Connection Path Specification. **For more information, refer to "Node ID Octal Addressing" below.

Example 123.123.123.123,1,2.A.3

This equates to an EtherNet/IP of 123.123.123.123. The DH+ card resides in slot 2: use DH+ Channel A and addressing target DH+ Node ID 3 (dec).

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