Overview of adapter operation – Rockwell Automation 1747-AENTR SLC 500 EtherNet/IP Adapter User Manual User Manual
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Rockwell Automation Publication 1747-UM076C-EN-E - January 2013
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Plan to Use Your EtherNet/IP Adapter Chapter 4
Overview of Adapter
Operation
As a gateway between the SLC backplane and EtherNet/IP, the 1747-AENTR
module serves as a CIP server (for both Explicit Messaging and I/O) on the
Ethernet port, and an SLC host on the 1746 backplane. Connections can be
made to supported I/O modules installed in the backplane. See
Modules Supported by the 1747-AENTR Adapter
, on page
The module employs the Rockwell Automation Embedded Switch Toolkit. This
implementation is an IEEE 802.3 standard compliant, Layer 2 switch that is
compatible with the IEEE 802.1 ID standard. It has three ports: two are external
ports that function as physical ports of the product and one is an internal port
that connects to the host CPU. Each of the three ports has an IEEE 802.3
compliant MAC and the ports are interconnected with each other through full
wire speed, non-blocking switching logic. The Embedded Switch Toolkit
provides support for the EtherNet/IP DLR protocol.
The adapter only supports direct connection to individual modules. Up to 96
connections per adapter are possible with a maximum of 240 words supported
per connection on firmware revision 2.001 and Logix Designer application
revision 21. The input data attributes correspond directly to the read area of the
I/O module’s data table image. The output attributes correspond directly to the
write area of the I/O module’s data table image.
1747-BSN
(2)
Back-Up Remote I/O Scanner Module
1746-QV
Open Loop Velocity Control Module
1746-BLM
Blow Molding Module
1746-MPM
Mold Pressure Module
1203-SM1
(1)
Scanport Module (Class 4 operation)
(1) The module is not supported by the 1747-AENTR but appears in the
RSLogix 5000 pick list (Select Module Type dialog).
(2) The 1747-AENTR is not designed for redundancy support.
IMPORTANT
Any 1746/1747 module that is not included in the lists of supported and
unsupported modules is not supported by the 1747-AENTR, as of the
date of writing of this User Manual.
Consult the manufacturer of any third party module to determine if the
module is supported by the 1747-AENTR adapter.
List of I/O Modules NOT Supported by the 1747-AENTR Adapter
Catalog Number
Type
IMPORTANT
On firmware revision 1.001 and RSLogix 5000 revision 20, the adapter
only supports up to 32 connections per adapter, with a maximum of 240
words supported per connection.