| Packaging Details | Anti-static Bag + Carton Box + Foam Protection |
| Manufacturer | Rockwell Automation |
| Ledindicators | Status, Network, Module Fault |
| Supportednetworktopology | Star, Linear, Ring (depending on protocol) |
| Supply Ability | 10 Units per Month |
| Powersupply | 5 V DC from backplane |
| Productname | ControlLogix Communication Modules |
| Operatingtemperaturerange | -20°C to 60°C |
| Datatransferrate | Up to 1 Gbps (depending on module) |
| Delivery Time | 7-14 Days |
| Producttype | Communication Module |
| Weight | Approximately 0.3 to 0.5 kg |
| Compatiblecontroller | ControlLogix Controllers |
| Mountingtype | DIN Rail / Chassis Mount |
| Firmwareupgradeable | true |
| Dimensions | Varies by model, typically around 12.5 x 10 x 5 cm |
| Model Number | 1756-CN2R |
| Brand Name | ControlLogix Communication Modules |
| Certification | CE |
| Place of Origin | USA |
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Product Specification
| Packaging Details | Anti-static Bag + Carton Box + Foam Protection | Manufacturer | Rockwell Automation |
| Ledindicators | Status, Network, Module Fault | Supportednetworktopology | Star, Linear, Ring (depending on protocol) |
| Supply Ability | 10 Units per Month | Powersupply | 5 V DC from backplane |
| Productname | ControlLogix Communication Modules | Operatingtemperaturerange | -20°C to 60°C |
| Datatransferrate | Up to 1 Gbps (depending on module) | Delivery Time | 7-14 Days |
| Producttype | Communication Module | Weight | Approximately 0.3 to 0.5 kg |
| Compatiblecontroller | ControlLogix Controllers | Mountingtype | DIN Rail / Chassis Mount |
| Firmwareupgradeable | true | Dimensions | Varies by model, typically around 12.5 x 10 x 5 cm |
| Model Number | 1756-CN2R | Brand Name | ControlLogix Communication Modules |
| Certification | CE | Place of Origin | USA |
1756-CN2R is a ControlLogix ControlNet redundant media bridge module used in industrial PLC communication systems, factory automation networks, production line control cabinets, and maintenance replacement projects. It is designed to provide ControlNet communication for 1756 PLC systems where reliable network connection and redundant media support are required.
This module is commonly used when an automation system needs deterministic network communication between controllers, I/O stations, drives, operator panels, and other industrial devices. The redundant media design is especially useful in applications where communication reliability is important and network interruption may affect machine operation or production continuity.
| Model | 1756-CN2R |
| Product Type | ControlLogix ControlNet Bridge Module |
| Series | ControlLogix 1756 |
| Network Type | ControlNet |
| Network Feature | Redundant Media Support |
| Function | PLC Network Communication |
| Mounting | Installed in 1756 PLC Chassis |
| Software Check | Confirm Studio 5000 project, firmware, and network configuration |
1756-CN2R is installed in ControlLogix 1756 chassis systems together with controllers, power supplies, I/O modules, and other communication modules. Before replacement, users should confirm the chassis slot, firmware revision, node address, ControlNet schedule, cable connection, redundant media configuration, and project setup. Communication modules should be selected according to the actual network structure, not only by appearance.
This module is used in manufacturing lines, process automation systems, material handling equipment, packaging machinery, utility control systems, production monitoring networks, and legacy PLC communication systems. It is especially relevant for plants that still maintain ControlNet network architecture and need reliable spare parts for downtime recovery.
When replacing 1756-CN2R, confirm the complete catalog number, firmware version, network address, ControlNet cabling, chassis compatibility, and original nameplate. Communication faults may also be caused by cable problems, incorrect network schedule, node conflicts, connector issues, or configuration mismatch. The network should be checked before replacing the module.
Related models include 1756-CN2, 1756-CN2R, 1756-CNB, and 1756-CNBR. These models may differ by communication capacity, redundant media support, lifecycle status, firmware support, or system compatibility.
DF Automatic supplies ControlLogix ControlNet communication modules, EtherNet/IP modules, DeviceNet modules, PLC controllers, I/O modules, power supplies, chassis, terminal blocks, and industrial automation spare parts for factory maintenance, network repair, and production line recovery.
Company Details
Business Type:
Distributor/Wholesaler,Agent,Exporter,Trading Company,Seller
Year Established:
2024
Total Annual:
1000000-1500000
Employee Number:
10~25
Ecer Certification:
Site Member
Company Profile DF Automatic supplies industrial automation spare parts, control system components, and replacement parts to customers worldwide. Our product range covers PLC modules, servo drives, servo motors, variable frequency drives, HMI panels, industrial sensors, pneumatic components, h... Company Profile DF Automatic supplies industrial automation spare parts, control system components, and replacement parts to customers worldwide. Our product range covers PLC modules, servo drives, servo motors, variable frequency drives, HMI panels, industrial sensors, pneumatic components, h...
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