Installation Instructions · Publication 1747-IN521 · Rockwell Automation

1747-AENTR SLC 500 EtherNet/IP Adapter Installation Instructions

This document is the installation instructions for the Allen-Bradley 1747-AENTR SLC 500 EtherNet/IP Adapter module. It covers hardware installation, RJ-45 network connection, IP address configuration, status indicator interpretation, and module specifications. The 1747-AENTR is designed to allow SLC I/O to be controlled by a CompactLogix or ControlLogix processor when migrating existing SLC-controlled systems to a Logix-based controller. It must be installed in slot 0 of the SLC chassis and requires an Allen-Bradley 1746-series power supply.

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10/100 Mbits/s Ethernet Speed
2 Ethernet Ports
0…60 Operating Temperature
470 mA @ 5V DC Backplane Current

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Specifications

Ethernet Communication

EtherNet communication rate 10/100 Mbits/s, half or full-duplex
Ethernet ports 2, configured as Embedded Switch
Ethernet network topologies supported Star, Tree, Daisy chain/Linear, and Ring
Ethernet connector RJ-45, Category 5
Ethernet cable Category 5: shielded or unshielded

General Specifications

Module location Always at Slot 0 (leftmost slot) on chassis
Current consumption, backplane 470 mA @ 5V DC
Thermal dissipation 2.49 W = 8.4962 Btu (IT)/hour
Isolation voltage 50V (continuous), Basic Insulation Type
Dimensions (HxWxD), approx. 145.3 x 34.8 x 130.8 mm (5.72 x 1.37 x 5.15 in.)
Enclosure type rating None (open-style)
Wiring category 1, on communication ports
Weight, approx. 168 g (0.37 lbs.)
North American temp code T3C

Environmental Specifications

Temperature, operating 0…60 °C (32…140 °F)
Temperature, nonoperating -40…85 °C (-40…185 °F)
Relative humidity 5…95% noncondensing
Vibration 2.5g @ 57…2000 Hz
Shock, operating 30 g
Shock, nonoperating 50 g
Emissions CISPR 11: Group 1, Class A
ESD immunity 6 kV contact discharges, 8 kV air discharges
EFT/B immunity ±3 kV @ 5 kHz on communication ports
Surge transient immunity ±2 kV line-earth (CM) on communication ports
Conducted RF immunity 10V rms with 1 kHz sine-wave 80% AM from 150 kHz…80 MHz

Communication Protocols

Supported industrial networks and field buses for the products covered by this publication.

EtherNet/IP Supports Class 1 and Class 3 connections. On firmware revision 2.001 and later, supports up to 96 Class 1 connections and up to 8 Class 3 connections. Up to 5 Input Only, 5 Listen Only, and 5 explicit messaging connections per module on firmware revision 1.001.

Certifications & Compliance

c-UL-us: UL Listed Industrial Control Equipment, certified for US and Canada. See UL File E322657. c-UL-us: UL Listed for Class I, Division 2 Group A, B, C, D Hazardous Locations, certified for U.S. and Canada. See UL File E334470. CE: European Union 2004/108/EC EMC Directive, compliant with EN 61326-1, EN 61000-6-2, EN 61000-6-4, EN 61131-2 C-Tick: Australian Radiocommunications Act, compliant with AS/NZS CISPR 11 EtherNet/IP: ODVA conformance tested to EtherNet/IP specifications KC: Korean Registration of Broadcasting and Communications Equipment, compliant with Article 58-2 of Radio Waves Act, Clause 3

Document Contents

Full PDF covers the following topics in detail:

  • North American Hazardous Location Approval
  • Additional Resources
  • Overview
  • Install the Adapter Module in the Chassis
  • Connect Your Adapter to the Ethernet/IP Network through RJ-45 Connection
  • Troubleshoot with Status Indicators and Status Display
  • Specifications

Frequently Asked Questions

Where must the 1747-AENTR be installed in the SLC chassis?
The 1747-AENTR module must be installed only in slot 0, the leftmost slot of the chassis. There should only be one 1747-AENTR device installed within the same rack or its connected rack extensions for multiple chassis support.
Which power supplies are compatible with the 1747-AENTR?
The 1747-AENTR must be powered from Allen-Bradley power supply models 1746-P1, 1746-P2, 1746-P3, 1746-P4, 1746-P5, 1746-P6, or 1746-P7. The 1746-P4 must not be used in UL Class 1, Division 2, Hazardous Locations.
How do you set the IP address on the 1747-AENTR?
The IP address can be set in three ways: using the network address switches on the module (valid settings 001 to 254, which assigns an address of 192.168.1.xxx), using a DHCP server such as Rockwell Automation BootP/DHCP, or retrieving the address from nonvolatile memory. The factory default is DHCP enabled with switches set to 999. Setting the switches to 888 restores factory default settings.
What does a flashing red Module LED indicate?
A flashing red Module LED indicates a recoverable fault. Possible causes include IP address switches not matching the configuration in use, the device having completed a reset to factory defaults (switches set to 888 at powerup requiring a power cycle), or the device performing a firmware flash update.
What network topologies does the 1747-AENTR support?
The 1747-AENTR supports Star, Tree, Daisy chain/Linear, and Ring Ethernet network topologies. It has two Ethernet ports configured as an embedded switch using RJ-45 Category 5 connectors.
What processors can control SLC I/O through the 1747-AENTR?
The 1747-AENTR allows SLC I/O to be controlled by a CompactLogix or ControlLogix processor. Any Rockwell Automation CIP connection originating device can communicate and share I/O data through the adapter. The module is intended for migrating existing SLC-controlled systems to a Logix-based controller.
What are the connection limits of the 1747-AENTR on firmware revision 1.001?
On firmware revision 1.001, the adapter supports one exclusive owner connection per SLC module, up to 5 Input Only connections per module, up to 5 Listen Only connections per module, up to 5 explicit messaging connections to the adapter, and up to 5 consumers per multicast connection. Partial sets of I/O and rack connections are not supported on firmware revision 1.001.

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