Allen Bradley 1756-ENBT ControlLogix Enet/IP Comms Module

The AB 1756-ENBT is a high-speed EtherNet/IP bridge module for the ControlLogix platform, enabling seamless communication between Logix controllers, SCADA systems, HMIs, and I/O over Ethernet networks. Supporting 10/100 Mbps data rates, this module allows for up to 64 TCP/IP socket connections and 128 Logix controller connections, making it ideal for complex and data-intensive control environments.

With a backplane-powered design and DIN chassis integration, the 1756-ENBT ensures reliable, deterministic performance for control applications requiring fast and robust Ethernet connectivity.

Technical Specifications

Model: 1756ENBT
Series: ControlLogix
Type: Ethernet/IP Communication Bridge Module
Network Type: EtherNet/IP
Data Rate: 10/100 Mbps (auto-sensing)
Application: Controller networking, remote I/O, HMI/SCADA integration

Electrical Specifications

Input Voltage: 24V DC (supplied via chassis backplane)
Current Draw: 3 mA @ 24V DC (backplane)
Isolation: 30V (typical), functional between Ethernet and backplane
Power Dissipation: 3.5 W typical

Communication & Networking

Supported Protocols: EtherNet/IP, TCP/IP, UDP/IP, DHCP, BOOTP
Maximum TCP/IP Connections: 64
Maximum Logix Connections: 128
IP Configuration: Static or Dynamic via BOOTP/DHCP
Network Interface: RJ45 (10/100Base-T)
Duplex Mode: Full/Half (auto-negotiated)
Diagnostics: Web-based module status and configuration

Mechanical Specifications

Width: Standard ControlLogix single-slot
Height: 140 mm (approx.)
Depth: 118 mm (approx.)
Mounting: ControlLogix chassis (rack mount)
Connection Type: RJ45 for Ethernet, backplane for power/data

Environmental Specifications

Operating Temperature: 0°C to 60°C
Storage Temperature: –40°C to +85°C
Humidity: 5% to 95% RH, non-condensing
IP Rating: IP20 (for cabinet installation only)
Altitude: Up to 2000 m without derating

Compliance & Certifications

CE Marked: Yes
UL / cUL Listed: Yes
RoHS Compliant: Yes
EtherNet/IP Conformance Tested: Yes
Standards: IEC 61131-2, EN 61000-6-2, EN 61000-6-4

Key Features & Benefits

✅ EtherNet/IP Connectivity: Seamless integration with Logix controllers, HMIs, drives, and SCADA

✅ Dual-Level Support: 64 TCP/IP and 128 Logix connections for flexible architecture

✅ High-Speed 10/100 Mbps: Fast deterministic communication for high-performance applications

✅ Plug-and-Play Integration: Easily installs into ControlLogix chassis

✅ Web-Based Diagnostics: Built-in web server for module status and configuration

📦 Order the Allen Bradley 1756-ENBT from Drive Outlet Megastore

At Drive Outlet Megastore, we offer unbeatable Allen Bradley 1756-ENBT prices. Expand your ControlLogix system with reliable and scalable Ethernet/IP communication that supports real-time control and system-wide visibility.

Check stock now or request a quote

Network faster. Connect smarter. — Drive Outlet Megastore