1756-CN2RK Advantages
The Allen‑Bradley 1756-CN2RK ControlLogix PLC Module stands out from comparable communication modules in several key areas.
Dual-channel redundant ControlNet design. The Allen‑Bradley 1756-CN2RK ControlLogix PLC Module supports redundant A/B ControlNet media, automatic channel switching when one network cable or channel fails, and the Allen‑Bradley 1756-CN2RK ControlLogix PLC Module avoids single-point network failure for critical systems.
High-speed ControlNet communication performance. The Allen‑Bradley 1756-CN2RK ControlLogix PLC Module runs at fixed 5 Mbps ControlNet speed, supports scheduled I/O data and unscheduled message transmission, the Allen‑Bradley 1756-CN2RK ControlLogix PLC Module ensures deterministic communication for remote I/O.
Native ControlLogix backplane integration. As a factory‑original communication module of Allen‑Bradley 1756 series, the Allen‑Bradley 1756-CN2RK ControlLogix PLC Module directly plugs into 1756 chassis, no extra conversion adapter required.
Comprehensive diagnostic LED indication. The Allen‑Bradley 1756-CN2RK ControlLogix PLC Module is equipped with LEDs for module status, network status, channel A and channel B status, technicians can quickly locate fault points of the Allen‑Bradley 1756-CN2RK ControlLogix PLC Module without complex diagnostic tools.
Convenient configuration via RSLogix 5000. Users can configure node address, scheduled connections and redundant parameters for the Allen‑Bradley 1756-CN2RK ControlLogix PLC Module inside RSLogix 5000 software, supporting online edits and network monitoring.
1756-CN2RK Applications
Critical Process Control Redundant Network. Redundant ControlNet communication module within Allen‑Bradley 1756 ControlLogix PLC systems, the Allen‑Bradley 1756-CN2RK ControlLogix PLC Module is widely used for petrochemical, power and water treatment process control that requires zero network interruption.
Remote Redundant I/O Scanning. The Allen‑Bradley 1756-CN2RK ControlLogix PLC Module connects the local ControlLogix chassis to distributed ControlNet I/O racks over redundant media, improving system availability for continuous production lines.
Inter-controller Data Messaging. The Allen‑Bradley 1756-CN2RK ControlLogix PLC Module supports message communication between multiple ControlLogix controllers on the same redundant ControlNet network.
Legacy ControlNet High-availability System Maintenance. The Allen‑Bradley 1756-CN2RK ControlLogix PLC Module is stocked as spare replacement part for existing redundant ControlLogix ControlNet networks.
Industrial Automation Turnkey Project Networking. The Allen‑Bradley 1756-CN2RK ControlLogix PLC Module serves as standard redundant network interface for high-reliability ControlLogix automation solutions.
1756-CN2RK Certifications & Compliance
The Allen‑Bradley 1756-CN2RK ControlLogix PLC Module holds the following international safety and compliance approvals:
• UL listed — North‑American industrial control equipment safety approval.
• CE certification — European industrial control equipment safety and EMC compliance.
• C‑Tick marked — EMC compliance for Australian and New Zealand markets.
• Class I Division 2 certified — Suitable for installation in specified hazardous classified locations.
All modules supplied are 100% new original Allen‑Bradley parts. Every Allen‑Bradley 1756-CN2RK ControlLogix PLC Module unit is functionally tested before dispatch, packed in professional anti‑static packaging, and covered by a one‑year warranty from the date of delivery.
