Product Model
1756-CN2RK

Key Features
- 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."
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| 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
