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Allen Bradley
1756-CN2

ControlLogix Communication Module

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Allen-Bradley 1756-CN2 product image
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Allen Bradley
Lebenszyklusstatus: Aktiv reif
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Repair Options Available
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Lebenszyklusstatus: Aktiv reif
Product at a glance
Build America, Buy America Build America, Buy America
Repair Options Available
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Technical Specifications
Drawings
Documents
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Certifications
Technotes
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
Zeichnungen
3-Dimensional STEP model (STP) Download (ZIP)
Dimensional Drawing in 3D (PDF) Download (PDF)
Product Drawing Drawing (DXF)
Zeichnungen
3-Dimensional STEP model (STP) Download (ZIP)
Dimensional Drawing in 3D (PDF) Download (PDF)
Product Drawing Drawing (DXF)
Melden Sie sich bei Ihrem Rockwell Automation-Konto an, um technische Zeichnungen anzuzeigen und herunterzuladen.
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Typ Ressource Veröffentlichung
General Selection Guide 1756-SG001
General Product Profile --
General Installation Instructions 1756-IN607
General Product Cutsheet --
Technical Data 1756-td003_-en-e 1756-TD003
Suchen Sie nach weiterer Dokumentation?
Finden Sie kuratierte technische Dokumentation zu diesem Produkt im Technical Documentation Center oder durchsuchen Sie unsere vollständige Literaturbibliothek.
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Verfügbare Downloads
  • Firmware for 1756-CN2 v25.006
Alle Downloads anzeigen Chevron RightChevron Right
China CCC ATEX Australian RCM IECEx Scheme Korean KC UL Listed
  • 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.

Suchen Sie nach weiteren Technotes?
In unserer Wissensdatenbank finden Sie Fragen und Antworten von technischen Experten von Rockwell Automation zu diesem Produkt.
Wissensdatenbank durchsuchen Chevron RightChevron Right
Technische Spezifikationen
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
Zeichnungen
Zeichnungen
3-Dimensional STEP model (STP) Download (ZIP)
Dimensional Drawing in 3D (PDF) Download (PDF)
Product Drawing Drawing (DXF)
Zeichnungen
3-Dimensional STEP model (STP) Download (ZIP)
Dimensional Drawing in 3D (PDF) Download (PDF)
Product Drawing Drawing (DXF)
Melden Sie sich bei Ihrem Rockwell Automation-Konto an, um technische Zeichnungen anzuzeigen und herunterzuladen.
Anmelden
Unterlagen
Selection Guide General
1756-SG001
Product Profile General
--
Installation Instructions General
1756-IN607
Product Cutsheet General
--
1756-td003_-en-e Technical Data
1756-TD003
Typ Ressource Veröffentlichung
General Selection Guide 1756-SG001
General Product Profile --
General Installation Instructions 1756-IN607
General Product Cutsheet --
Technical Data 1756-td003_-en-e 1756-TD003
Suchen Sie nach weiterer Dokumentation?
Finden Sie kuratierte technische Dokumentation zu diesem Produkt im Technical Documentation Center oder durchsuchen Sie unsere vollständige Literaturbibliothek.
Besuchen Sie das Zentrum für technische Dokumentation Chevron RightChevron Right Suche in der Literaturbibliothek Chevron RightChevron Right
Downloads
Verfügbare Downloads
  • Firmware for 1756-CN2 v25.006
Alle Downloads anzeigen Chevron RightChevron Right
Zertifizierungen
China CCC ATEX Australian RCM IECEx Scheme Korean KC UL Listed
  • 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.

Technotes
Suchen Sie nach weiteren Technotes?
In unserer Wissensdatenbank finden Sie Fragen und Antworten von technischen Experten von Rockwell Automation zu diesem Produkt.
Wissensdatenbank durchsuchen Chevron RightChevron Right
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