Rockwell Automation 1756-CN2RK

Selling Points

  • 11. High Performance: "The Allen Bradley 1756-CN2RK ControlNet High Performance Dual Channel Conformal Coated Interface Module is engineered to handle demanding applications with ease, ensuring high-speed data transfer and precise control.";
  • 22. Dual Channel Capability: "With its dual channel design, this module can handle multiple communication tasks simultaneously, enhancing system efficiency and reducing downtime.";
  • 33. Conformal Coating: "The conformal coating on the 1756-CN2RK provides superior protection against environmental factors like moisture, humidity, and corrosives, ensuring reliable operation in harsh conditions.";
  • 44. Enhanced Durability: "Built with durable components, the Allen Bradley 1756-CN2RK is designed to withstand the rigors of industrial environments, providing a long-lasting solution for your control system needs.";
  • 55. Easy Integration: "The module is easily integratable with various Allen Bradley systems, making it a seamless addition to your existing infrastructure. Its compact design also allows for flexible placement within your control cabinet."
Product Details
1756-CN2RK
Rockwell Automation

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Dimension Unit
CM
Weight Unit
KG
Weight
0.404
Stock Status
NON_STOCKED
Dimension Length
17.907
Dimension Width
21.844
Lead Time
5
Dimension Height
5.461
Quick Turnaround
false
Preferred Availability
false
Repairable
REPAIRABLE
Module location
Chassis based, any slot
Weight, approx
0.293 kg
IEC temperature code
T4
North American temperature code
T4A
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
Operating temperature
0 to 60 °C
Surge transient immunity
±2 kV line-earth (CM) on ControlNet ports
Conducted RF immunity
10V rms with 1 kHz sine-wave 80% AM from 150 kHz...80 MHz
Shock
Operating: 30 G, Nonoperating: 30 G
Relative humidity
5...95% noncondensing
EFT/B immunity
±3kV @ 5kHz on ControlNet ports
ESD immunity
6 kV contact discharges, 8 kV air discharges
Vibration
2 G @ 10...500 Hz
Emissions
CISPR 11: Class A
Storage temperature
-40 to 85 °C
Surrounding air temperature, max
60 °C
Slot width
1
Radio standard UMTS
No
Radio standard GSM
No
Radio standard GPRS
No
Supporting protocol for SafetyBUS p
No
Supporting protocol for PROFIsafe
No
Supporting protocol for PROFINET IO
No
Supporting protocol for PROFINET CBA
No
Supporting protocol for Foundation Fieldbus
No
Supporting protocol for AS-Interface Safety at Work
No
Radio standard Wi-Fi 802.11
No
Radio standard Bluetooth
No
Supporting protocol for INTERBUS-Safety
No
Supporting protocol for SERCOS
No
With potential separation
No
Supporting protocol for SUCONET
No
Supporting protocol for Data-Highway
No
Supporting protocol for Modbus
No
Supporting protocol for KNX
No
Supporting protocol for INTERBUS
No
Supporting protocol for CAN
No
Supporting protocol for PROFIBUS
No
Supporting protocol for ASI
No
Supporting protocol for LON
No
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 be
Connections supported, max
131 maximum
Wiring category
1 - on ControlNet ports, 3 - on USB ports
ControlNet cable
1786-RG6 quad shield RG6 coaxial cable
Current draw
1300mA @ 5.1V DC, 3mA @ 24V DC
Number of nodes, max
99 nodes
Enclosure type rating
None (open-style)
ControlNet port
2 ControlNet BNC
Thermal dissipation
22.9 btu/h
Power dissipation
6.7 W
Logix communication connections
128
Transmission rate
5000 kbps
Supporting protocol for EtherNet/IP
No
Supporting protocol for DeviceNet Safety
No
IO link master
No
Redundancy
Yes
Supporting protocol for other bus systems
Yes
Supporting protocol for DeviceNet
No
Supporting protocol for TCP/IP
No
With optical interface
No
Number Of Channels
2
Interface
2 ControlNet BNC's
Connection Cables
1 m Tap
Conformal Coating
Yes
Communication
ControlNet

Specifications may be subject to change without notice