1756-ENBT
ControlLogix Enet/IP Comms Module
Serial #:
This product has not been verified. Please {} to confirm authenticity.
register your product
Lifecycle status:
Discontinued
Rockwell Automation announces that as of December 31, 2021, the ControlLogix Enet/IP Comms Module will be discontinued and no longer available for sale. Customers are encouraged to remove references to the affected product(s)
Discontinued Date:
December 31, 2021
Replacement Category:
Functional Replacement
Replacement Product:
1756-EN2T
[https://www.rockwellautomation.com/en-us/products/details.1756-EN2T.html]
Product at a glance
Description
EtherNet/IP communication module, 10/100M twisted pair, 64 TCP connections
1756-ENBT
ControlLogix Enet/IP Comms Module
Serial #:
This product has not been verified. Please {} to confirm authenticity.
register your product
Lifecycle status:
Discontinued
Rockwell Automation announces that as of December 31, 2021, the ControlLogix Enet/IP Comms Module will be discontinued and no longer available for sale. Customers are encouraged to remove references to the affected product(s)
Discontinued Date:
December 31, 2021
Replacement Category:
Functional Replacement
Replacement Product:
1756-EN2T
[https://www.rockwellautomation.com/en-us/products/details.1756-EN2T.html]
Product at a glance
Description
EtherNet/IP communication module, 10/100M twisted pair, 64 TCP connections
Product Details
Look for SER on the product label to find your product series. To find information specific to your product, scan the QR code on the product label.
A
Overview
Electrical & Connectivity
General Features
Power & Electrical Characteristics
Compliance & Environment
Standards & Protection
Physical Characteristics
Mechanical
Drawings
Documents
Downloads
Certifications
Alternative Products
Technotes
| Unique Product Identifier |
1756-ENBT
|
|---|---|
| UPC |
612598269488
|
| Standard Warranty Duration |
1 year See details |
| Country of Origin |
United States of America
|
| Application |
EtherNet/IP
|
|---|---|
| Communication |
Ethernet/IP
|
| Communication |
Ethernet/IP
|
| Display |
Digital
|
| Enclosure |
None (open-style)
|
| Interface |
1 Copper RJ45 (10/100 Mbps)
|
| Mounting |
Chassis
|
| Number Of Channels |
1
|
| Sub Brand |
ControlLogix
|
| Type |
Communication Module
|
| ATEX temp code |
T4
|
|---|---|
| CIP unconnected messages |
64 + 64 (backplane + Ethernet)
|
| Communication rate |
10/100 Mbps
|
| Connections supported, max |
TCP: 64, CIP: 128 (CIP connections can be used for all explicit or all implicit applications. for exAle, a 1756-ENBT module has a total of 128 CIP connections that can be used for any combination of connections.)
|
| Current draw |
700mA @ 5.1V DC, 3mA @ 24V DC
|
| Enclosure type rating |
None (open-style)
|
| Ethernet cable |
802.3 compliant shielded or unshielded twisted pair
|
| Ethernet ports |
1 Ethernet RJ45 Category 5
|
| IO link master |
False
|
| Isolation voltage |
30V (continuous), basic insulation type, Ethernet, network to backplane, Type tested @ 707V DC @ 60s
|
| Power dissipation |
3.7 W
|
| Radio standard Bluetooth |
False
|
| Radio standard GPRS |
False
|
| Radio standard GSM |
False
|
| Radio standard UMTS |
False
|
| Radio standard Wi-Fi 802.11 |
False
|
| Redundancy |
False
|
| Slot width |
1
|
| Supporting protocol for AS-Interface Safety at Work |
False
|
| Supporting protocol for ASI |
False
|
| Supporting protocol for CAN |
False
|
| Supporting protocol for Data-Highway |
False
|
| Supporting protocol for DeviceNet |
False
|
| Supporting protocol for DeviceNet Safety |
False
|
| Supporting protocol for EtherNet/IP |
True
|
| Supporting protocol for Foundation Fieldbus |
False
|
| Supporting protocol for INTERBUS |
False
|
| Supporting protocol for INTERBUS-Safety |
False
|
| Supporting protocol for KNX |
False
|
| Supporting protocol for LON |
False
|
| Supporting protocol for Modbus |
False
|
| Supporting protocol for PROFIBUS |
False
|
| Supporting protocol for PROFINET CBA |
False
|
| Supporting protocol for PROFINET IO |
False
|
| Supporting protocol for PROFIsafe |
False
|
| Supporting protocol for SERCOS |
False
|
| Supporting protocol for SUCONET |
False
|
| Supporting protocol for SafetyBUS p |
False
|
| Supporting protocol for TCP/IP |
True
|
| Supporting protocol for other bus systems |
False
|
| Thermal dissipation |
12.6 btu/h
|
| Wiring category |
2 - on Ethernet ports
|
| With optical interface |
False
|
| With potential separation |
False
|
| Conducted RF immunity |
10V rms with 1 kHz sine-wave 80% AM from 150 kHz...80 MHz
|
|---|---|
| EFT/B immunity |
±2kV @ 5kHz on Ethernet ports
|
| ESD immunity |
6 kV contact discharges, 8 kV air discharges
|
| Emissions |
CISPR 11: Class A
|
| Operating temperature |
0 °C <60 °C (32 °F <140 °F)
|
| Radiated RF immunity |
10V/m with 1 kHz sine-wave 80% AM from 80...2000 MHz, 10V/m with 200 Hz 50% Pulse 100% AM @ 900 MHz, 10V/m with 200 Hz 50% Pulse 100% AM @ 1890 MHz, 1V/m with 1 kHz sine wave 80% AM from 2000...2700 MHz
|
| Relative humidity |
5...95% noncondensing
|
| Shock |
Operating: 30 G, Non operating: 50 G
|
| Storage temperature |
-40 °C <85 °C (-40 °F <185 °F)
|
| Surge transient immunity |
±2 kV line-earth (CM) on Ethernet ports
|
| Surrounding air temperature, max |
60 °C
|
| Vibration |
2 G @ 10...500 Hz
|
Mechanical
| Module location |
Chassis based, any slot
|
|---|
| Drawings | |
|---|---|
| 3-Dimensional STEP model (STP) | Download (ZIP) |
| Product Drawing | Drawing (DXF) |
| Drawings |
|---|
| 3-Dimensional STEP model (STP) Download (ZIP) |
| Product Drawing Drawing (DXF) |
| General | Publication |
|---|---|
| Product Cutsheet | -- |
| Product Profile | -- |
| Selection Guide | 1756-SG001 |
| Installation Instructions | Publication |
|---|---|
| 1756-in019_-en-p | 1756-IN019 |
| Technical Data | Publication |
|---|---|
| 1756-td003_-en-e | 1756-TD003 |
Looking for more documentation?
Find curated technical documentation for this product in the Technical Documentation Center, or search our full Literature Library.
Visit the Technical Documentation Center
Search the Literature Library
Version:
Release notes
6.006
| AOP - Add On Profiles | Size | Notes | |
|---|---|---|---|
|
|
AOP - Add On Profiles for 1756 Ethernet Bridge v40.12.22 | 390 MB | Release notes |
|
|
AOP - Add On Profiles for 1756-ENBT v40.10.13 | 362 MB | Release notes |
|
|
AOP for 1756-ENxT Ethernet Modules v6.03.20 | 392 MB | Release notes |
|
|
AOP for 1756-ENxTR Ethernet Modules v10.00.00 | 395 MB | Release notes |
| EDS - Electronic Data Sheet Files | Size | Notes | |
|
|
EDS files for 1756-ENBT (multi) | 18.83 KB | |
|
|
EDS files for ControlLogix Family (multi) | 1.79 MB | |
| Firmware | Size | Notes | |
|
|
Firmware for 1756-ENBT v6.006 | 907 KB | Release notes |
| Firmware Tools | Size | Notes | |
|
|
Comms Bundle for 1756-ENBT | 126 MB | Release notes |
| Product Security Advisory | Size | Notes | |
|
|
MicroLogix 1400 Controllers, 1756 ControlLogix EtherNet/IP Communication Modules | - | |
MicroLogix 1400 Controllers, 1756 ControlLogix EtherNet/IP Communication Modules
Product Security Advisory
-
Looking for more Downloads?
Find product downloads in Rockwell Automation Product Compatibility and Download Center.
Search PCDC
- Semiconductor Inds Immunit
- China CCC
- ATEX
- Safety
- American Bureau of Shippin
- Australian RCM
This product was certified with the above certifications as of 2026-07-16. Products sold before or after this date might carry different certifications. Please review the product label to check for the certifications your specific product carries.
Looking for certification documents?
Explore certifications for this product and more in our comprehensive Literature Library.
Regulatory Information
| EU Importer Address |
Rockwell Automation N.V |
|---|---|
| EU Authorized Representative Address |
Rockwell Automation N.V |
Items Per Page:
| Technotes |
|---|
Looking for more Technotes?
Find questions and answers from Rockwell Automation technical experts for this product in our Knowledgebase.
Search Knowledgebase
Overview
| Unique Product Identifier |
1756-ENBT
|
|---|---|
| UPC |
612598269488
|
| Standard Warranty Duration |
1 year See details |
| Country of Origin |
United States of America
|
Electrical & Connectivity
| Application |
EtherNet/IP
|
|---|---|
| Communication |
Ethernet/IP
|
| Communication |
Ethernet/IP
|
| Display |
Digital
|
| Enclosure |
None (open-style)
|
| Interface |
1 Copper RJ45 (10/100 Mbps)
|
| Mounting |
Chassis
|
| Number Of Channels |
1
|
| Sub Brand |
ControlLogix
|
| Type |
Communication Module
|
| ATEX temp code |
T4
|
|---|---|
| CIP unconnected messages |
64 + 64 (backplane + Ethernet)
|
| Communication rate |
10/100 Mbps
|
| Connections supported, max |
TCP: 64, CIP: 128 (CIP connections can be used for all explicit or all implicit applications. for exAle, a 1756-ENBT module has a total of 128 CIP connections that can be used for any combination of connections.)
|
| Current draw |
700mA @ 5.1V DC, 3mA @ 24V DC
|
| Enclosure type rating |
None (open-style)
|
| Ethernet cable |
802.3 compliant shielded or unshielded twisted pair
|
| Ethernet ports |
1 Ethernet RJ45 Category 5
|
| IO link master |
False
|
| Isolation voltage |
30V (continuous), basic insulation type, Ethernet, network to backplane, Type tested @ 707V DC @ 60s
|
| Power dissipation |
3.7 W
|
| Radio standard Bluetooth |
False
|
| Radio standard GPRS |
False
|
| Radio standard GSM |
False
|
| Radio standard UMTS |
False
|
| Radio standard Wi-Fi 802.11 |
False
|
| Redundancy |
False
|
| Slot width |
1
|
| Supporting protocol for AS-Interface Safety at Work |
False
|
| Supporting protocol for ASI |
False
|
| Supporting protocol for CAN |
False
|
| Supporting protocol for Data-Highway |
False
|
| Supporting protocol for DeviceNet |
False
|
| Supporting protocol for DeviceNet Safety |
False
|
| Supporting protocol for EtherNet/IP |
True
|
| Supporting protocol for Foundation Fieldbus |
False
|
| Supporting protocol for INTERBUS |
False
|
| Supporting protocol for INTERBUS-Safety |
False
|
| Supporting protocol for KNX |
False
|
| Supporting protocol for LON |
False
|
| Supporting protocol for Modbus |
False
|
| Supporting protocol for PROFIBUS |
False
|
| Supporting protocol for PROFINET CBA |
False
|
| Supporting protocol for PROFINET IO |
False
|
| Supporting protocol for PROFIsafe |
False
|
| Supporting protocol for SERCOS |
False
|
| Supporting protocol for SUCONET |
False
|
| Supporting protocol for SafetyBUS p |
False
|
| Supporting protocol for TCP/IP |
True
|
| Supporting protocol for other bus systems |
False
|
| Thermal dissipation |
12.6 btu/h
|
| Wiring category |
2 - on Ethernet ports
|
| With optical interface |
False
|
| With potential separation |
False
|
Compliance & Environment
| Conducted RF immunity |
10V rms with 1 kHz sine-wave 80% AM from 150 kHz...80 MHz
|
|---|---|
| EFT/B immunity |
±2kV @ 5kHz on Ethernet ports
|
| ESD immunity |
6 kV contact discharges, 8 kV air discharges
|
| Emissions |
CISPR 11: Class A
|
| Operating temperature |
0 °C <60 °C (32 °F <140 °F)
|
| Radiated RF immunity |
10V/m with 1 kHz sine-wave 80% AM from 80...2000 MHz, 10V/m with 200 Hz 50% Pulse 100% AM @ 900 MHz, 10V/m with 200 Hz 50% Pulse 100% AM @ 1890 MHz, 1V/m with 1 kHz sine wave 80% AM from 2000...2700 MHz
|
| Relative humidity |
5...95% noncondensing
|
| Shock |
Operating: 30 G, Non operating: 50 G
|
| Storage temperature |
-40 °C <85 °C (-40 °F <185 °F)
|
| Surge transient immunity |
±2 kV line-earth (CM) on Ethernet ports
|
| Surrounding air temperature, max |
60 °C
|
| Vibration |
2 G @ 10...500 Hz
|
Physical Characteristics
Mechanical
| Module location |
Chassis based, any slot
|
|---|
Drawings
| Drawings | |
|---|---|
| 3-Dimensional STEP model (STP) | Download (ZIP) |
| Product Drawing | Drawing (DXF) |
| Drawings |
|---|
| 3-Dimensional STEP model (STP) Download (ZIP) |
| Product Drawing Drawing (DXF) |
Documents
|
Product Cutsheet
General
-- |
|
Product Profile
General
-- |
|
Selection Guide
General
1756-SG001 |
|
1756-in019_-en-p
Installation Instructions
1756-IN019 |
|
1756-td003_-en-e
Technical Data
1756-TD003 |
| General | Publication |
|---|---|
| Product Cutsheet | -- |
| Product Profile | -- |
| Selection Guide | 1756-SG001 |
| Installation Instructions | Publication |
| 1756-in019_-en-p | 1756-IN019 |
| Technical Data | Publication |
| 1756-td003_-en-e | 1756-TD003 |
Looking for more documentation?
Find curated technical documentation for this product in the Technical Documentation Center, or search our full Literature Library.
Visit the Technical Documentation Center
Search the Literature Library
Downloads
Version:
Release notes
6.006
| AOP - Add On Profiles | Size | Notes | |
|---|---|---|---|
|
|
AOP - Add On Profiles for 1756 Ethernet Bridge v40.12.22 | 390 MB | Release notes |
|
|
AOP - Add On Profiles for 1756-ENBT v40.10.13 | 362 MB | Release notes |
|
|
AOP for 1756-ENxT Ethernet Modules v6.03.20 | 392 MB | Release notes |
|
|
AOP for 1756-ENxTR Ethernet Modules v10.00.00 | 395 MB | Release notes |
| EDS - Electronic Data Sheet Files | Size | Notes | |
|
|
EDS files for 1756-ENBT (multi) | 18.83 KB | |
|
|
EDS files for ControlLogix Family (multi) | 1.79 MB | |
| Firmware | Size | Notes | |
|
|
Firmware for 1756-ENBT v6.006 | 907 KB | Release notes |
| Firmware Tools | Size | Notes | |
|
|
Comms Bundle for 1756-ENBT | 126 MB | Release notes |
| Product Security Advisory | Size | Notes | |
|
|
MicroLogix 1400 Controllers, 1756 ControlLogix EtherNet/IP Communication Modules | - | |
MicroLogix 1400 Controllers, 1756 ControlLogix EtherNet/IP Communication Modules
Product Security Advisory
-
Looking for more Downloads?
Find product downloads in Rockwell Automation Product Compatibility and Download Center.
Search PCDC
Certifications
- Semiconductor Inds Immunit
- China CCC
- ATEX
- Safety
- American Bureau of Shippin
- Australian RCM
This product was certified with the above certifications as of 2026-07-16. Products sold before or after this date might carry different certifications. Please review the product label to check for the certifications your specific product carries.
Looking for certification documents?
Explore certifications for this product and more in our comprehensive Literature Library.
Regulatory Information
| EU Importer Address |
Rockwell Automation N.V |
|---|---|
| EU Authorized Representative Address |
Rockwell Automation N.V |
Alternative Products
Items Per Page:
Technotes
| Technotes |
|---|
Looking for more Technotes?
Find questions and answers from Rockwell Automation technical experts for this product in our Knowledgebase.
Search Knowledgebase
Multiple countries of origin based on manufacturing location
ControlLogix Enet/IP Comms Module
1756-ENBT
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