1756-ENBT Allen Bradley FW Rev 4.003 Communications Bridge 1756ENBT

Description:

The Allen-Bradley 1756-ENBT EtherNet/IP Communication Bridge is used in ControlLogix automation systems for Ethernet network communication and data exchange between PLCs, HMIs, and distributed I/O devices. Commonly installed in control panels, manufacturing systems, and automated production lines. Maintenance teams and system integrators use this part for network upgrades, system expansion, and replacement of faulty communication modules.

Applications:

The Allen-Bradley 1756-ENBT module is widely used in industrial environments requiring reliable EtherNet/IP communication for automation systems. It is commonly integrated into ControlLogix PLC systems in manufacturing lines, material handling systems, packaging machines, and process plants where stable controller communication, remote monitoring, and networked I/O are essential.

Technical Specifications:

• Manufacturer Part Number (MPN): 1756-ENBT
• Brand: Allen-Bradley
• Product Type: EtherNet/IP Communication Bridge Module
• Series: ControlLogix
• Firmware Revision: 4.003
• Communication Protocol: EtherNet/IP, TCP/IP
• Ethernet Ports: 1 x RJ-45 10/100 Mbps
• Data Rate: 10/100 Mbps auto-negotiation
• CIP Connections: Supports controller, I/O, and messaging connections
• Backplane Current: Approx. 970 mA @ 5.1V DC
• Mounting Type: Chassis-mounted (1756 rack)
• Operating Temperature: 0°C to +60°C
• Protection Rating: IP20
• Compliance Standards: CE, UL, CSA

Common Replacements:

• Allen-Bradley 1756-EN2T Communication Module
• Allen-Bradley 1756-EN2TR Communication Module
• Siemens CP343-1 Ethernet Module