Allen‑Bradley 1756‑ENBTK Ethernet Module Inquiry Item

This Allen‑Bradley 1756‑ENBTK is an EtherNet/IP communication bridge module for Rockwell ControlLogix PLC system. It provides 10/100Mbps Ethernet interface to realize data exchange between ControlLogix controller and HMI, frequency converters, remote I/O and other EtherNet/IP devices.

It supports implicit I/O messaging and explicit message communication, can be configured as producer/consumer network, suitable for real‑time industrial control. The module inserts directly into ControlLogix backplane rack, communicates with CPU through backplane bus. It is widely used in automobile, packaging, metallurgy and chemical automation production lines.

Specifications

Model: 1756‑ENBTK Brand: Allen‑Bradley (Rockwell) Applicable system: ControlLogix Communication protocol: EtherNet/IP Network rate: 10/100 Mbps auto negotiation Connector: RJ45 Mounting: ControlLogix chassis slot Certifications: CE, UL

Components & Troubleshooting

Ethernet transceiver chip, backplane communication circuit, status indicator LED, RJ45 port, gold-plated backplane connector, plastic module housing. Common faults: Ethernet link down, cannot obtain IP address, intermittent communication loss, module self-check fault, port damage caused by static electricity.

Disclaimer

This spare part shall be installed, calibrated and maintained by qualified instrument technicians. Set IP address and network parameters before commissioning.