Allen‑Bradley 1756‑ENBT ControlLogix EtherNet/IP Communication Module

Allen‑Bradley 1756‑ENBT is an EtherNet/IP communication module for Rockwell ControlLogix 1756 chassis. It provides EtherNet/IP fieldbus interface, realizing high‑speed data transmission between ControlLogix controller and remote I/O modules, HMI, drives and other EtherNet/IP compatible automation devices.

This single‑slot module supports 10/100Mbps Ethernet transmission, equipped with RJ45 network ports and status LED diagnostic indicators. It is configured via RSLogix5000 software, widely used as replacement spare parts for manufacturing, petrochemical and power industry automation cabinet maintenance and retrofit projects.

Main Specifications

• Brand: Allen‑Bradley (Rockwell Automation)
• Model: 1756‑ENBT
• Product Type: EtherNet/IP Communication Module
• Applicable System: ControlLogix 1756 series chassis
• Communication Protocol: EtherNet/IP
• Data Rate: 10 / 100 Mbps auto‑negotiation
• Interface: RJ45 Ethernet port
• Installation: Single‑slot plug‑in for 1756 backplane
• Certification: UL, CE industrial compliance certification
• Operating Temperature Range: 0°C ~ +60°C

Core Functions

• Provide EtherNet/IP fieldbus communication interface for ControlLogix PLC system
• Realize bidirectional high‑speed data exchange between controller and EtherNet/IP peripheral equipment
• Connect remote I/O adapters, human‑machine interfaces, inverters and other automation slave devices
• Support network configuration and diagnostic function through RSLogix5000 programming software
• Front‑panel LED indicators display module status, network link and communication fault information
• Single‑slot plug‑in structure for quick installation and on‑site replacement during maintenance
• Transmit control instructions from PLC and feed back field device running status signals
• Support star‑type network topology for industrial automation station network layout
• Built‑in hardware self‑diagnosis detects network link abnormality and module internal faults
• Offer stable EtherNet/IP bus connection solution for ControlLogix automation hardware station

Application Scenarios

• Automotive production line ControlLogix EtherNet/IP bus control cabinets
• Manufacturing workshop production‑line logic control and remote I/O communication projects
• Petrochemical plant process‑monitoring PLC network communication control racks
• Power plant auxiliary equipment automation control cabinet network configuration scenarios
• Water‑treatment plant large‑scale automation equipment interconnection application projects
• Factory automation renovation, communication module replacement and network upgrade projects
• ControlLogix 1756 chassis maintenance and spare‑parts backup for legacy production facilities
• Rockwell automation spare‑parts inventory and on‑site industrial cabinet maintenance supporting projects