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1756-EN3TR Allen-Bradley
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1756-EN3TR Allen-Bradley

$1,083.50 - $1,347.50
$1,083.50
$1,083.50 - $1,347.50
$1,083.50
Surplus - Tested (With Warranty)
Need a Specific Revision?
$1,083.50
3 in stock
New / Open-Box Surplus
Need a Specific Revision?
$1,347.50
2 in stock
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Product Details

Description · Specifications · Product Overview

Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.

Product Overview

The 1756-EN3TR is an EtherNet/IP communication module in the ControlLogix family, designed for integration into a 1756 chassis. It provides dual-port 10/100 Mbps Ethernet connectivity, supporting high-capacity motion applications with up to 128 axes and 128 TCP connections. It serves as a communication bridge linking the control system to motion-capable devices such as servo drives, and supports Device Level Ring (DLR) and linear network topologies, enabling resilience in industrial automation systems.

Best Suited For

  • Integrated motion applications (up to 128 axes)
  • Device Level Ring (DLR) redundant Ethernet networks
  • Linear EtherNet/IP network topologies
  • Chassis-based ControlLogix communication modules
Ethernet ports
2 × RJ45 (10/100 Mbps)
Motion axes supported
128
TCP connections
128
Power dissipation
5.1 W
Current draw
1 A at 5.1 V DC; 3 mA at 24 V DC

Technical Specifications

I/O & Electrical

Power dissipation
5.1 W
Current draw
1 A @ 5.1 V DC; 3 mA @ 24 V DC
Isolation voltage
30 V continuous (basic insulation), tested at 980 V AC @ 60 s

Communication & Power

Ethernet interface
2 × RJ45 10/100 Mbps
Communication protocols
EtherNet/IP, TCP/IP
Max connections
TCP: 128; CIP: 256
Topology support
Device Level Ring (DLR) and linear
CIP unconnected messages
128 + 128 (backplane + Ethernet)

Physical & Environmental

Operating temperature
0 °C to 60 °C (32 °F to 140 °F)
Storage temperature
-40 °C to 85 °C (-40 °F to 185 °F)
Vibration
2 G @ 10…500 Hz
Shock
30 G (operating and non-operating)
Relative humidity
5...95 % non-condensing
EM immunity
ESD 6 kV contact, 8 kV air; EFT/B ±3 kV @ 5 kHz on Ethernet ports; Radiated RF immunity 10 V/m (80…2000 MHz), additional pulses at 900 MHz and 1890 MHz; Conducted RF immunity 10 V rms 150 kHz…80 MHz; Surge ±2 kV line-earth (CM) on Ethernet ports

Certifications

UL ListedCEATEXFMIECExUKCAEAC

This module holds multiple certifications including UL Listed, CE, ATEX, FM, IECEx, RCM, UKCA, EAC, and is intended for ControlLogix systems in industrial and marine/offshore applications.

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Sourced and shipped from Texas, USA. Never anonymous overseas marketplace stock.

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Rockwell Automation documentation

Access official manuals, datasheets, and lifecycle information for this part directly from Rockwell Automation.

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Must Read: Disclaimer

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