Allen Bradley 1756-CN2RK ControlLogix ControlNet Communication Module
| Release time | Jun 2, 2026 |
|---|---|
| Brand | Allen Bradley PLC |
| Product Numbe | 1756-CN2RK |
| Country Of Origin | USA |
| Dimensions | 144.5 × 34.6 × 130.18 mm |
| Weight | 0.293 kg |
| Condition | New & In Stock |
| Payment Methods | T/T, PayPal, Western Union |
| Lead Time | 1-3 Working Days |
| Warranty | One Year |
| Courier partners | DHL, UPS, TNT, FedEx and EMS. |
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Overview
The Allen Bradley 1756-CN2RK is a ControlNet communication module for ControlLogix systems, designed for real-time, redundant network communication. It provides reliable, high-speed data exchange between controllers, I/O modules, and networked devices, supporting mission-critical distributed control applications.
General Information
Part Number: 1756-CN2RK
Manufacturer: Allen Bradley
Brand: Allen Bradley
Country of Origin: USA
Series: ControlLogix
Type: ControlNet Communication Module
Application: Industrial network communication with redundancy support
Technology: Deterministic ControlNet protocol with integrated redundancy features
Power Specifications
Supply Voltage: Powered through ControlLogix backplane
Power Consumption: ≤ 5 W
Input: Backplane-powered module
Protection: Surge and reverse-polarity protection
Indicators: LEDs for power, network status, fault, and redundant link
Communication & Interface
Network Protocol: ControlNet
Port Type: RJ-45 / ControlNet connector
Diagnostics: Node status, link supervision, network fault detection, and redundancy monitoring
Compatibility: Compatible with ControlLogix controllers and ControlNet devices
Operator Interface: Status LEDs and network diagnostics
Reset Features: Supports soft and hardware resets
Environmental
Operating Temperature: 0°C to +60°C
Storage Temperature: -40°C to +85°C
Humidity: 5% to 95% RH, non-condensing
Protection Rating: IP20 / Suitable for installation in industrial enclosures
Dimensions & Weight
Dimensions (L × W × H): 144.5 × 34.6 × 130.18 mm
Weight: 0.293 kg
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Warranty Conditions
At Qunlebu Co., Ltd., we are committed to ensuring the quality of our products. Our one-year warranty provides coverage for any defects in material or workmanship, excluding damages caused by deliberate misuse.
🛡️Coverage Details:
This warranty encompasses all instances of product malfunction or failure due to inherent manufacturing flaws, with the exception of intentional damage.
📝Claim Process:
To avail of warranty services, please notify us of any quality-related issues within the warranty period. We may conduct online troubleshooting and examination as needed.
🚚Shipping Assistance:
We understand the importance of prompt service. Therefore, we cover return shipping costs for warranty-related returns within the first month of supply. Within three months of supply, we cover one-way shipping costs for warranty-related returns. After three months, the customer is responsible for shipping costs both ways.
🚫Exclusions:
Unauthorized modifications, repairs, or misuse of the product.
Normal wear and tear.
Negligence.
Extreme environmental conditions beyond product specifications.