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A-B ControlLogix System Bulletin 1756 Overview

ControlLogix System Overview

The ControlLogix system provides discrete, drives, motion, process,

and safety control together with communication and state-of-the-art I/O in a small, cost-competitive package. 

The system is modular, so you can design, build, and modify it efficiently with significant

savings in training and engineering. A simple ControlLogix system consists

of a standalone controller and I/O modules in one chassis.

For a more comprehensive system, use the following:

• Multiple controllers in one chassis

• Multiple controllers joined across networks

• I/O in multiple platforms that are distributed in many locations and connected over multiple I/O links

• Select ControlLogix products are available with a conformal coating that adds a layer

of protection when exposed to harsh, corrosive environments.

Products with a conformal coating have a ‘K’ suffix at the end of the catalog number. 

Prosoft AN-X4-AB-DHRIO EtherNet/IP™ to Remote I/O or DH+ Gateway Adapter

Remote I/O Adapter

This operating mode allows PLC’s on Remote I/O to share data with a newer ControlLogix or CompactLogix PAC’s.

This mode also allows a ControlLogix processor to monitor Block Transfer and I/O data on an active Remote I/O network without occupying a drop.

Supports up to 16 EtherNet/IP I/O connections to a Logix processor

Supports any combination of Remote I/O rack addressing

Auto-configures rack addressing and baud rate

Bridge Mode

This operating mode allows the module to listen to all messages on an Ethernet network and

use its “BridgeIP” mapping to forward the messages out of the DH+/BH port. 

The messages received on the DH+/BH port can be forwarded to the devices connected to its Ethernet port.

Allows the use of existing Blue Hose cabling for EtherNet/IP communication:

I/O to Controllers

HMI to SCADA

Programming Controllers via PC

Support for up to 64 AN-X4-BRG, each on different Ethernet network

DH+ mode supports up to 230k Baud Rate

Blue Hose mode supports up to 460K Baud Rate

Prosoft AN-X4-AB-DHRIO EtherNet/IP™ to Remote I/O or DH+ Gateway Scanner

Remote I/O Scanner

This operating mode allows users to replace their existing Remote I/O PLC with a ControlLogix or

CompactLogix PAC without having to replace existing racks of I/O.

Build new controller programs without interrupting existing controls, minimizing downtime

Supports up to 32 racks of Remote I/O

Supports all Remote I/O baud rates (57.6. 115.2. and 230.4 K baud), and Remote I/O addressing 0 to 76 octal

Auto-Configuration utility discovers baud rate and maps discrete I/O, reducing configuration errors

Remote I/O Adapter

This operating mode allows PLC’s on Remote I/O to share data with a newer ControlLogix or CompactLogix PAC’s.

This mode also allows a ControlLogix processor to monitor Block Transfer and I/O data on an active Remote I/O network without occupying a drop.

Supports up to 16 EtherNet/IP I/O connections to a Logix processor

Supports any combination of Remote I/O rack addressing

Auto-configures rack addressing and baud rate

Prosoft AN-X4-AB-DHRIO EtherNet/IP™ to Remote I/O or DH+ Gateway Bridge Mode

Bridge Mode

This operating mode allows the module to listen to all messages on an Ethernet network and

use its “BridgeIP” mapping to forward the messages out of the DH+/BH port. 

The messages received on the DH+/BH port can be forwarded to the devices connected to its Ethernet port.

Allows the use of existing Blue Hose cabling for EtherNet/IP communication:

I/O to Controllers

HMI to SCADA

Programming Controllers via PC

Support for up to 64 AN-X4-BRG, each on different Ethernet network

DH+ mode supports up to 230k Baud Rate

Blue Hose mode supports up to 460K Baud Rate

Remote I/O Scanner

This operating mode allows users to replace their existing Remote I/O PLC with a ControlLogix or

CompactLogix PAC without having to replace existing racks of I/O.

Build new controller programs without interrupting existing controls, minimizing downtime

Supports up to 32 racks of Remote I/O

Supports all Remote I/O baud rates (57.6. 115.2. and 230.4 K baud), and Remote I/O addressing 0 to 76 octal

Auto-Configuration utility discovers baud rate and maps discrete I/O, reducing configuration errors

Prosoft AN-X4-AB-DHRIO EtherNet/IP™ to Remote I/O or DH+ Gateway Flex I/O Scanner

Flex I/O Scanner

This operating mode allows PLC’s on Remote I/O to connect to and control 1794-AENT EtherNet/IP Flex adapters.

Designed to replace obsolete 1794-ASB adapters

Supports up to 16 EtherNet/IP connections

Each adapter and rack of discrete counts as a single connection. Each analog module counts as a single connection.

Drive

This operating mode supports upgrading legacy Allen Bradley drives on Remote I/O to new EtherNet/IP-enabled drives.

No changes to PLC code required

Supports up to 4 EtherNet/IP drives

Configurable with ¼, ½, and full rack addressing

Supports all PowerFlex drives on EtherNet/IP.

HMI

This operating mode allows legacy PanelViews to be upgraded to a PanelView Plus 6 or PanelView Plus 7 via EtherNet/IP.

No changes to PLC code required

Supports up to 8 PanelViews on the same network.

Prosoft AN-X4-AB-DHRIO EtherNet/IP™ to Remote I/O or DH+ Gateway Drive

Drive

This operating mode supports upgrading legacy Allen Bradley drives on Remote I/O to new EtherNet/IP-enabled drives.

No changes to PLC code required

Supports up to 4 EtherNet/IP drives

Configurable with ¼, ½, and full rack addressing

Supports all PowerFlex drives on EtherNet/IP.

Flex I/O Scanner

This operating mode allows PLC’s on Remote I/O to connect to and control 1794-AENT EtherNet/IP Flex adapters.

Designed to replace obsolete 1794-ASB adapters

Supports up to 16 EtherNet/IP connections

Each adapter and rack of discrete counts as a single connection. Each analog module counts as a single connection.

HMI

This operating mode allows legacy PanelViews to be upgraded to a PanelView Plus 6 or PanelView Plus 7 via EtherNet/IP.

No changes to PLC code required

Supports up to 8 PanelViews on the same network.

Prosoft AN-X4-AB-DHRIO EtherNet/IP™ to Remote I/O or DH+ Gateway HMI

HMI

This operating mode allows legacy PanelViews to be upgraded to a PanelView Plus 6 or PanelView Plus 7 via EtherNet/IP.

No changes to PLC code required

Supports up to 8 PanelViews on the same network.

Drive

This operating mode supports upgrading legacy Allen Bradley drives on Remote I/O to new EtherNet/IP-enabled drives.

No changes to PLC code required

Supports up to 4 EtherNet/IP drives

Configurable with ¼, ½, and full rack addressing

Supports all PowerFlex drives on EtherNet/IP.

Flex I/O Scanner

This operating mode allows PLC’s on Remote I/O to connect to and control 1794-AENT EtherNet/IP Flex adapters.

Designed to replace obsolete 1794-ASB adapters

Supports up to 16 EtherNet/IP connections

Each adapter and rack of discrete counts as a single connection. Each analog module counts as a single connection.

Prosoft AN-X4-AB-DHRIO EtherNet/IP™ to Remote I/O or DH+ Gateway Specifications

Specifications

DH+ to EtherNet/IP™

1/ The operating mode acts as a bridge between an EtherNet/IP and a DH+ network.

Programming terminals, and/or processors on an EtherNet/IP network can access legacy processors on a DH+ network

Download to a PLC5 or SLC through RSLinx

Configured through web browser

Supports all DH+ baud rates (57.6. 115.2. and 230.4 K baud).

2/ The operating mode helps the communication between an Ethernet-Based processor with legacy processors on a DH+ network.

Support gathering data without changing existing PLC or SLC hardware

DH+ to Modbus TCP

This operating mode allows Modbus TCP Clients to access the PLC data from stations on a Data Highway Plus Network.

The Modbus TCP server supports up to 128 connections

Modbus Input and Output Registers are mapped to the PLC/SLC files for each station

Modbus TCP Unit/Slave ID data is mapped to the Data Highway Plus Station

Prosoft AN-X4-AB-DHRIO EtherNet/IP™ to Remote I/O or DH+ Gateway

The AN-X4-AB-DHRIO Gateway is designed to help customers initiate a phased migration

approach to replacing or upgrading legacy PLC’s, HMI’s, Drives, or Flex I/O adapters.

These solutions can be achieved by selecting the corresponding operating mode during the initial configuration.

The AN-X4-AB-DHRIO has a built-in webserver to view diagnostics, current configuration,

upload configuration files, and set the operating mode. It is also DIN Rail Mountable.

Specifications

DH+ to EtherNet/IP™

1/ The operating mode acts as a bridge between an EtherNet/IP and a DH+ network.

Programming terminals, and/or processors on an EtherNet/IP network can access legacy processors on a DH+ network

Download to a PLC5 or SLC through RSLinx

Configured through web browser

Supports all DH+ baud rates (57.6. 115.2. and 230.4 K baud).

2/ The operating mode helps the communication between an Ethernet-Based processor with legacy processors on a DH+ network.

Support gathering data without changing existing PLC or SLC hardware

Prosoft AN-X2-ABRIO-EIPSCN Remote I/O to Ethernet/IP Scanner Module Ethernet Configuration

Cabling and Termination

Follow Allen-Bradley cabling recommendations for remote I/O. Refer to Approved

Vendor List for DH, DH+, DH-485. and Remote I/O Cables, publication ICCG-2.2.

February 1996.

On the AN-X module, the connections should be line 1. shield, line 2.

Ethernet Configuration

The AN-X2-ABRIO-EIPSCN module connects a controller on remote I/O such as a

PLC-5 to scan I/O modules on Ethernet.

Before you can use the AN-X2-ABRIO-EIPSCN, you must configure its network

properties on Ethernet.

AN-X modules are shipped with the link-local address 169.254.42.84.

Unless you have control of the DHCP server, in most applications you will assign the

AN-X a static IP address. Otherwise the DHCP server may assign a different IP address

each time AN-X powers up, and any software that accesses the AN-X module would have

to be reconfigured.

If you are using multiple AN-X modules, connect and configure one at a time, since

initially they will all be set to the same link-local IP address.

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