Rockwell Automation 20-COMM-ER 20-COMM-ER Dual-Port EtherNet/IP Communication Adapter User Manual User Manual
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Rockwell Automation Publication 20COMM-UM015B-EN-P - July 2013
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Glossary
DLR Ring Supervisor
A node that sends beacon and announce frames on a ring network to monitor
and maintain connectivity by re-configuring the ring while nodes are
disconnected or reconnected.
DPI (Drive Peripheral Interface)
A second generation peripheral communication interface used by various Allen-
Bradley drives and power products, such as PowerFlex 7-Class drives and SMC
controllers. It is a functional enhancement to SCANport.
DPI Peripheral
A device that provides an interface between DPI and a network or user.
Peripheral devices are also referred to as ‘adapters’ or ‘modules’. The 20-COMM-
ER adapter, 1203-USB or 1203-SSS converter, and PowerFlex 7-Class HIMs (20-
HIM-xxx) are examples of DPI peripherals.
DPI Product
A device that uses the DPI communications interface to communicate with one
or more peripheral devices. For example, a motor drive such as a PowerFlex 7-
Class drive is a DPI product. In this manual, a DPI product is also referred to as
‘drive’ or ‘host’.
DriveExplorer Software
A tool for monitoring and configuring Allen-Bradley products and network
communication adapters. It can be used on computers running various Microsoft
Windows operating systems. DriveExplorer software, version 3.xx or later, can be
used to configure this adapter and PowerFlex drives. This software tool has been
discontinued and is now available as freeware at
. There are no plans to provide future updates
to this tool and the download is being provided ‘as-is’ for users that lost their
DriveExplorer CD, or need to configure legacy products not supported by
Connected Components Workbench software.
DriveTools SP Software
A software suite designed for running on various Microsoft Windows operating
systems. This software suite provides a family of tools, including DriveExecutive
software (version 3.01 or later), that you can use to program, monitor, control,
troubleshoot, and maintain Allen-Bradley products. DriveTools SP software can
be used with PowerFlex 7-Class and PowerFlex 4-Class drives, and legacy drives
that implement the SCANport communication interface. Information about
DriveTools SP software can be accessed at
.