1756-EN2T Allen Bradley Rockwell - Industrial Control
The 1756-EN2T bridge has various functions like providing support for messaging, distributed I/O, and tags. It encapsulates messages within standard TCP/IP protocol. ControlNet and DeviceNet network protocols allow it to share a common application layer.
The 1756-EN2T is a ControlLogix Communication adapter that supports Ethernet I/P protocol. This module is a single slot module which may be installed to any slot of a ControlLogix chassis. It has One (1) RJ45 port that is used to interface with Ethernet network.
Allen-Bradley 1756-EN2TR Communication Modules
Alternative names:1756EN2T, L756-EN2T, L756EN2T
1756-EN2T Ser A 1756-EN2T/A, Series A, Rev A
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1756-EN2T Ser B 1756-EN2T/B, Series B, Rev B
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1756-EN2T Ser C 1756-EN2T/C, Series C, Rev C
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1756-EN2T Ser D 1756-EN2T/D, Series D, Rev D
Technical notes
The 1756-EN2T is an Allen Bradley ControlLogix Ethernet Communication Module with a 10-100 MB per second Ethernet-IP Communication Rate. 6.2 Watt Power Dissipation. 1.2 Amp Current Rating. 17.4 BTU per hour Thermal Dissipation. 5.1 Watt Power Dissipation.
Email: anna at cwlyautomation dot com
Tel: +86 13667121125 whatsapp/ vk/ telegram also available
Company: Hongkong CW Green Tech Company
Allen-Bradley 1756-EN2TR Communication Modules
Technical specifications for A-B 1756-EN2T
Manufacturer Rockwell Automation
Brand Allen-Bradley
Part Number/Catalog No. 1756-EN2T
Series ControlLogix
Product Type Ethernet Communication Module
Ethernet-IP Communication Rate 10/100 Mbps
Insulation Voltage 30 Volts Continuous
Integrated Ports One (1) RJ45; One (1) USB 1.1
Current Draw 1 Amp
Location Chassis (any slot)
Current Rating 1.2 Amps
Slot Width 1
Operating Temperature 32 to 140 degrees Fahrenheit (0 to 60 degrees Celsius)
UPC 10612598329103
Power Dissipation 6.2 W
UNSPSC 32151705
Thermal Dissipation 21.28 BTU per hour
Available Communication Modules:
1756-EN2F, 1756-EN2T, 1756-EN2TK, 1756-EN2TP, 1756-EN2TPK,
1756-EN2TR, 1756-EN2TRK, 1756-EN3TR, 1756-EN3TRK, 1756-EN4TR,
1756-EN4TRK, 1756-ENBT,1756-EN2TPXT, 1756-EN2TXT, 1756-EN2TRXT, 1756-EN4TRXT ControlLogix-XT? ,1756-DHRIO Data Highway Plus/Remote I/O module 16,
1756-DHRIOXT ControlLogix-XT, Data Highway Plus/Remote I/O module 16
Remote I/O,
1756-DHRIO Data Highway Plus/Remote I/O module 16,
1756-RIO/B Remote I/O module 16,
1756-DHRIOXT ControlLogix-XT, Data Highway Plus/Remote I/O module 16
DH-485 module
1756-DH485 DH-485 module 21,
SynchLink?
1756-SYNCH,SynchLink fiber-optic communication link
EtherNet/IP Network Specifications:
1756-ENBT 64 128 64 + 64
1756-EN2F 128 256 128 + 128
1756-EN2T 128 256 128 + 128
1756-EN2TP 128 256 128 + 128
1756-EN2TR 128 256 128 + 128
1756-EN3TR 128 256 128 + 128
Email: anna at cwlyautomation dot com
Tel: +86 13667121125 whatsapp/ vk/ telegram also available
Company: Hongkong CW Green Tech Company
ControlLogix EtherNet/IP Data Specifications(1)
Cat. No.
Produced/Consumed Tags
Socket Services SNMP Support
(password required)
Duplicate IP Detection
(starting revision) Number of Multicast Tags,
Max(2)
Unicast Available in
RSLogix 5000 Software
1756-EN2F
32
Version 16.03.00 or later Yes
Yes
All Revisions
1756-EN2T Version 16.03.00 or later Yes
1756-EN2TP Version 24.00.00 or later Yes
1756-EN2TR Version 17.01.02 or later Yes
1756-EN3TR Version 18.02.00 or later Yes
1756-EN4TR Version 24.00.00 or later Yes
1756-ENBT Version 16.03.00 or later No Revision 3.3
1756-EN4TR
- ControlLogix EtherNet/IP Specifications(1)
(1) Includes the K conformal coating catalog numbers.
Cat. No. Firmware
Revision
RSLogix 5000?
Software Version
RSLinx?
Software
Version
Packet Rate Capacity (packets/ second)(2)
(2) I/O numbers are maximums; they assume no HMI/MSG. HMI/MSG numbers are maximums, they assume no I/O. Packet rates vary depending on packet size. For more details, see
Troubleshoot EtherNet/IP Application Technique, publication ENET-AT003, and the EDS file for a specific catalog number.
Support for
Extended
Environment(3)
(3) Module operates in a broad temperature spectrum, -20…70 oC (-4…158 oF), and meets ANSI/ISA-S71.04-1985 Class G1, G2 and G3, as well as cULus, Class 1 Div 2, C-Tick, CE, ATEX Zone 2 and
SIL 2 requirements for increased protection against salts, corrosives, moisture/condensation, humidity, and fungal growth.
Integrated Motion
on the EtherNet/IP
I/O HMI/MSG Network Axes
1756-ENBT Any 8.02.00 or later 2.30 or later 5000 900 No —
1756-EN2F
2.x 15.02.00 or later
2.51 or later
10,000
2000
No
—
3.6 or later 18.02.00 or later(4)
(4) This version is required to use CIP Sync? technology, Integrated Motion on the EtherNet/IP Network, or Exact Match keying.
25,000(5) Up to 8 axes
supported(5)
(5) This value assumes the use of a1756-L8x or 1756-L7x ControlLogix controller. For a 1756-L6x ControlLogix controller, see ControlLogix Controllers User Manual, publication 1756-UM001.
1756-EN2T
2.x or earlier 15.02.00 or later
2.51 or later
10,000
No
—
3.6 or later 18.02.00 or later(4) 25,000(5) Up to 8 axes
supported(5)
1756-EN2TXT
2.x 15.02.00 or later
2.51 or later
10,000
Yes
—
3.6 or later 18.02.00 or later(4) 25,000(5) Up to 8 axes
supported(5)
1756-EN2TP Any 24.00.00 or later(4) 4.10 or later 25,000(5) No Up to 8 axes
supported(5)
1756-EN2TPXT 10.x or later 24.00.00 or later 4.10 or later 25,000(5) Yes Up to 8 axes
supported(5)
1756-EN2TR
2.x 17.01.02 or later 2.55 or later 10,000
No
—
5.x or later 18.02.00 or later(4) 2.56 or later 25,000(5) Up to 8 axes
supported(5)
1756-EN2TRXT 5.028 or later 20.01.00 or later 2.56 or later 25,000(5) Yes Up to 8 axes
supported(5)
1756-EN3TR 3.6 or later 18.02.00 or later(4) 2.56 or later 25,000(5) No Up to 128 axes
supported(5)
1756-EN4TR Any 24.00.00 or later(6)
(6) CIP Security requires FactoryTalk? Linx version 6.11.00 or later.
4.10 or later
? 50,000 without CIP
Security?
? 25,000 with integrity
? 15,000 with integrity
and confidentiality
? 3700 without CIP
Security
? 2700 with integrity
? 1700 with integrity and
confidentiality
No Up to 256 axes
supported(5)
1756-EN4TRXT Any 24.00.00 or later(6) 4.10 or later
? 50,000 without CIP
Security
? 25,000 with integrity
? 15,000 with integrity
and confidentiality
? 3700 without CIP
Security
? 2700 with integrity
? 1700 with integrity and
confidentiality
Yes Up to 256 axes
supported
Email: anna at cwlyautomation dot com
Tel: +86 13667121125 whatsapp/ vk/ telegram also available
Company: Hongkong CW Green Tech Company
Additional Resources
These documents contain additional information concerning related products from Rockwell Automation.
You can view or download publications at rok.auto/literature.
Resource Description
1756 EtherNet/IP Communication Modules Installation Instructions,
publication 1756-IN050 Provides information on installing EtherNet/IP? modules.
ControlLogix EtherNet/IP Network Devices User Manual, publication
1756-UM004
Describes how you can use ControlLogix? EtherNet/IP communication modules with a
Logix 5000? controller and communicate with various devices on the Ethernet/IP network.
ControlNet Modules Installation Instructions, publication CNET-IN005 Provides instructions for installing ControlNet? modules.
ControlLogix System User Manual, publication 1756-UM001 Provides information on system architecture, configuring secure communication, and
diagnostics.
ControlLogix Time Synchronization Module - Series B User Manual,
publication 1756-UM542
Describes the functionality, installation, configuration, and operation of the 1756-TIME
module.
DeviceNet Network Configuration User Manual, publication DNET-UM004 Provides information on system architecture, configuring communication, and diagnostics.
EtherNet/IP Network Devices User Manual, publication ENET-UM006 Describes how to use EtherNet/IP communication modules in Logix 5000 control systems
ControlLogix DH-485 Communication Module User Manual, publication
1756-UM532 Provides information on system architecture, configuring communication, and diagnostics.
ControlLogix Data Highway Plus-Remote I/O Communication Interface
Module User Manual, publication 1756-UM514 Provides information about programming, messaging, applying, and connecting the module.
ControlLogix SynchLink Module User Manual, publication 1756-UM521 Provides information about topologies, configurations, planning, and installing a Synchlink?
module.
EtherNet/IP Network Devices User Manual, ENET-UM006 Describes how to configure and use EtherNet/IP devices to communicate on the EtherNet/IP
network.
Ethernet Reference Manual, ENET-RM002 Describes basic Ethernet concepts, infrastructure components, and infrastructure features.
System Security Design Guidelines Reference Manual, SECURE-RM001
Provides guidance on how to conduct security assessments, implement Rockwell
Automation products in a secure system, harden the control system, manage user access,
and dispose of equipment.
UL Standards Listing for Industrial Control Products,
publication CMPNTS-SR002
Assists original equipment manufacturers (OEMs) with construction of panels, to help ensure
that they conform to the requirements of Underwriters Laboratories.
American Standards, Configurations, and Ratings: Introduction to Motor
Circuit Design, publication IC-AT001
Provides an overview of American motor circuit design based on methods that are outlined
in the NEC.
Industrial Components Preventive Maintenance, Enclosures, and Contact
Ratings Specifications, publication IC-TD002
Provides a quick reference tool for Allen-Bradley industrial automation controls and
assemblies.
Safety Guidelines for the Application, Installation, and Maintenance of
Solid-state Control, publication SGI-1.1
Designed to harmonize with NEMA Standards Publication No. ICS 1.1-1987 and provides
general guidelines for the application, installation, and maintenance of solid-state control in
the form of individual devices or packaged assemblies incorporating solid-state
components.
Industrial Automation Wiring and Grounding Guidelines, publication 1770-4.1 Provides general guidelines for installing a Rockwell Automation industrial system.
