


1756-CN2
ControlLogix Communication Module



Product at a glance
Product at a glance
Communication | ControlNet |
---|---|
Interface | 1 ControlNet BNC |
With optical interface | False |
---|---|
Supporting protocol for TCP/IP | False |
Supporting protocol for DeviceNet | False |
Supporting protocol for other bus systems | True |
Redundancy | False |
IO link master | False |
Supporting protocol for DeviceNet Safety | False |
Supporting protocol for EtherNet/IP | False |
Transmission rate | 5000 kbps |
Logix communication connections | 128 |
Power dissipation | 5.6 W |
Thermal dissipation | 19.1 btu/h |
ControlNet port | 1 ControlNet BNC |
Enclosure type rating | None (open-style) |
Number of nodes, max | 99 nodes |
Current draw | 1100mA @ 5.1V DC, 3mA @ 24V DC |
ControlNet cable | 1786-RG6 quad shield RG6 coaxial cable |
Wiring category | 1 - on ControlNet ports, 3 - on USB ports |
Connections supported, max | 131 maximum |
Isolation voltage | Standard: 30V (continuous), basic insulation type, ControlNet network to, backplane, Redundant: 30V (continuous), basic insulation type, ControlNet A/B to, backplane, and ControlNet A to ControlNet B, USB to backplane and USB to ControlNet, No isolation b |
Supporting protocol for LON | False |
Supporting protocol for ASI | False |
Supporting protocol for PROFIBUS | False |
Supporting protocol for CAN | False |
Supporting protocol for INTERBUS | False |
Supporting protocol for KNX | False |
Supporting protocol for Modbus | False |
Supporting protocol for Data-Highway | False |
Supporting protocol for SUCONET | False |
With potential separation | False |
Supporting protocol for SERCOS | False |
Supporting protocol for INTERBUS-Safety | False |
Radio standard Bluetooth | False |
Radio standard Wi-Fi 802.11 | False |
Supporting protocol for AS-Interface Safety at Work | False |
Supporting protocol for Foundation Fieldbus | False |
Supporting protocol for PROFINET CBA | False |
Supporting protocol for PROFINET IO | False |
Supporting protocol for PROFIsafe | False |
Supporting protocol for SafetyBUS p | False |
Radio standard GPRS | False |
Radio standard GSM | False |
Radio standard UMTS | False |
Slot width | 1 |
Surrounding air temperature, max | 60 °C |
---|---|
Storage temperature | -40 to 85 °C |
Emissions | CISPR 11: Class A |
Vibration | 2 G @ 10...500 Hz |
ESD immunity | 6 kV contact discharges, 8 kV air discharges |
EFT/B immunity | ±3kV @ 5kHz on ControlNet ports |
Relative humidity | 5...95% noncondensing |
Shock | Operating: 30 G, Nonoperating: 30 G |
Conducted RF immunity | 10V rms with 1 kHz sine-wave 80% AM from 150 kHz...80 MHz |
Surge transient immunity | ±2 kV line-earth (CM) on ControlNet ports |
Operating temperature | 0 to 60 °C |
Radiated RF immunity | 10 V/m with 1 kHz sine-wave 80% AM from 80...2000 MHz, 10 V/m with 200 Hz 50% Pulse 100% AM @ 900 MHz, 10 V/m with 200 Hz 50% Pulse 100% AM @ 1890 MHz, 3 V/m with 1 kHz sine-wave 80% AM from 2000...2700 MHz |
North American temperature code | T4A |
---|---|
IEC temperature code | T4 |
Weight, approx | 0.26 kg |
---|---|
Module location | Chassis based, any slot |
Dibujos | |
---|---|
3-Dimensional STEP model (STP) | Download (ZIP) |
Dimensional Drawing in 3D (PDF) | Download (PDF) |
Product Drawing | Drawing (DXF) |
Dibujos |
---|
3-Dimensional STEP model (STP) Download (ZIP) |
Dimensional Drawing in 3D (PDF) Download (PDF) |
Product Drawing Drawing (DXF) |
Inicie sesión en su cuenta de Rockwell Automation para ver y descargar dibujos técnicos.
Registrarse
Tipo | Recurso | Publicación |
---|---|---|
General | Selection Guide | 1756-SG001 |
General | Product Profile | -- |
General | Installation Instructions | 1756-IN607 |
General | Product Cutsheet | -- |
Technical Data | 1756-td003_-en-e | 1756-TD003 |
¿Busca más documentación?
Encuentre documentación técnica seleccionada para este producto en el Centro de Documentación Técnica o busque en nuestra biblioteca de literatura.
Visite el Centro de Documentación Técnica
Busque en la biblioteca de literatura
- China CCC
- Safety
- ATEX
- American Bureau of Shippin
- CE
- Australian RCM
- IECEx Scheme
- CSA Listed
- FM Approved Haz
- Korean KC
- ODVA
- Registro Italiano Navale
- UL Listed
- UL Listed Hazardous
This product was certified with the above certifications as of 2025-06-16. 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.
¿Busca más notas técnicas?
Encuentre preguntas y respuestas de los expertos técnicos de Rockwell Automation para este producto en nuestra base de conocimientos.
Buscar en la Base de Conocimientos
Especificaciones técnicas
Communication | ControlNet |
---|---|
Interface | 1 ControlNet BNC |
With optical interface | False |
---|---|
Supporting protocol for TCP/IP | False |
Supporting protocol for DeviceNet | False |
Supporting protocol for other bus systems | True |
Redundancy | False |
IO link master | False |
Supporting protocol for DeviceNet Safety | False |
Supporting protocol for EtherNet/IP | False |
Transmission rate | 5000 kbps |
Logix communication connections | 128 |
Power dissipation | 5.6 W |
Thermal dissipation | 19.1 btu/h |
ControlNet port | 1 ControlNet BNC |
Enclosure type rating | None (open-style) |
Number of nodes, max | 99 nodes |
Current draw | 1100mA @ 5.1V DC, 3mA @ 24V DC |
ControlNet cable | 1786-RG6 quad shield RG6 coaxial cable |
Wiring category | 1 - on ControlNet ports, 3 - on USB ports |
Connections supported, max | 131 maximum |
Isolation voltage | Standard: 30V (continuous), basic insulation type, ControlNet network to, backplane, Redundant: 30V (continuous), basic insulation type, ControlNet A/B to, backplane, and ControlNet A to ControlNet B, USB to backplane and USB to ControlNet, No isolation b |
Supporting protocol for LON | False |
Supporting protocol for ASI | False |
Supporting protocol for PROFIBUS | False |
Supporting protocol for CAN | False |
Supporting protocol for INTERBUS | False |
Supporting protocol for KNX | False |
Supporting protocol for Modbus | False |
Supporting protocol for Data-Highway | False |
Supporting protocol for SUCONET | False |
With potential separation | False |
Supporting protocol for SERCOS | False |
Supporting protocol for INTERBUS-Safety | False |
Radio standard Bluetooth | False |
Radio standard Wi-Fi 802.11 | False |
Supporting protocol for AS-Interface Safety at Work | False |
Supporting protocol for Foundation Fieldbus | False |
Supporting protocol for PROFINET CBA | False |
Supporting protocol for PROFINET IO | False |
Supporting protocol for PROFIsafe | False |
Supporting protocol for SafetyBUS p | False |
Radio standard GPRS | False |
Radio standard GSM | False |
Radio standard UMTS | False |
Slot width | 1 |
Surrounding air temperature, max | 60 °C |
---|---|
Storage temperature | -40 to 85 °C |
Emissions | CISPR 11: Class A |
Vibration | 2 G @ 10...500 Hz |
ESD immunity | 6 kV contact discharges, 8 kV air discharges |
EFT/B immunity | ±3kV @ 5kHz on ControlNet ports |
Relative humidity | 5...95% noncondensing |
Shock | Operating: 30 G, Nonoperating: 30 G |
Conducted RF immunity | 10V rms with 1 kHz sine-wave 80% AM from 150 kHz...80 MHz |
Surge transient immunity | ±2 kV line-earth (CM) on ControlNet ports |
Operating temperature | 0 to 60 °C |
Radiated RF immunity | 10 V/m with 1 kHz sine-wave 80% AM from 80...2000 MHz, 10 V/m with 200 Hz 50% Pulse 100% AM @ 900 MHz, 10 V/m with 200 Hz 50% Pulse 100% AM @ 1890 MHz, 3 V/m with 1 kHz sine-wave 80% AM from 2000...2700 MHz |
North American temperature code | T4A |
---|---|
IEC temperature code | T4 |
Weight, approx | 0.26 kg |
---|---|
Module location | Chassis based, any slot |
Dibujos
Dibujos | |
---|---|
3-Dimensional STEP model (STP) | Download (ZIP) |
Dimensional Drawing in 3D (PDF) | Download (PDF) |
Product Drawing | Drawing (DXF) |
Dibujos |
---|
3-Dimensional STEP model (STP) Download (ZIP) |
Dimensional Drawing in 3D (PDF) Download (PDF) |
Product Drawing Drawing (DXF) |
Inicie sesión en su cuenta de Rockwell Automation para ver y descargar dibujos técnicos.
Registrarse
Documentos
Selection Guide
General
1756-SG001 |
Product Profile
General
-- |
Installation Instructions
General
1756-IN607 |
Product Cutsheet
General
-- |
1756-td003_-en-e
Technical Data
1756-TD003 |
Tipo | Recurso | Publicación |
---|---|---|
General | Selection Guide | 1756-SG001 |
General | Product Profile | -- |
General | Installation Instructions | 1756-IN607 |
General | Product Cutsheet | -- |
Technical Data | 1756-td003_-en-e | 1756-TD003 |
¿Busca más documentación?
Encuentre documentación técnica seleccionada para este producto en el Centro de Documentación Técnica o busque en nuestra biblioteca de literatura.
Visite el Centro de Documentación Técnica
Busque en la biblioteca de literatura
Descargas
Certificaciones
- China CCC
- Safety
- ATEX
- American Bureau of Shippin
- CE
- Australian RCM
- IECEx Scheme
- CSA Listed
- FM Approved Haz
- Korean KC
- ODVA
- Registro Italiano Navale
- UL Listed
- UL Listed Hazardous
This product was certified with the above certifications as of 2025-06-16. 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.
Notas técnicas
¿Busca más notas técnicas?
Encuentre preguntas y respuestas de los expertos técnicos de Rockwell Automation para este producto en nuestra base de conocimientos.
Buscar en la Base de Conocimientos
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