The Allen-Bradley 1756-ENET is a communication module designed for the ControlLogix platform, serving as an EtherNet/IP bridge. This module facilitates high-speed data exchange between ControlLogix controllers and EtherNet/IP networks. It enables seamless integration of controllers into industrial Ethernet architectures, supporting standard communication protocols for distributed I/O, peer-to-peer messaging, and HMI connectivity. Please note that this module was officially discontinued by the manufacturer on June 23, 2010.
Features
Designed for integration within the ControlLogix chassis backplane.
Supports 10 Mbps Ethernet data transfer speeds.
Compatible with linear network topologies.
Provides robust communication bridging for EtherNet/IP enabled devices.
Available in Series A or Series B configurations.
Technical Specifications
Manufacturer
Allen-Bradley
Model
1756-ENET
Communication Rate
10 Mbps
Backplane Current (5.1V DC)
900 mA
Backplane Current (24V DC)
350 mA
Max Power Dissipation
13.3 Watts
Supported Topology
Linear
Installation Guidelines
Ensure the ControlLogix chassis is powered down before inserting or removing the 1756-ENET module to prevent electrical damage.
Verify that the module is fully seated in the chassis slot and the locking tabs are engaged.
Use shielded twisted-pair cabling for Ethernet connections to minimize electromagnetic interference (EMI) in industrial environments.
Adhere to standard grounding practices for the ControlLogix rack to maintain signal integrity.
Ensure adequate ventilation around the chassis to manage heat dissipation, keeping within the module's maximum power dissipation limits.
FAQ
Q: Is the 1756-ENET module still in production? A: No, this module was discontinued by the manufacturer as of June 23, 2010. We provide refurbished or legacy stock options.
Q: Does the 1756-ENET support Series A and B? A: Yes, this module is available in both Series A and Series B. Please specify your required series during the ordering process to ensure compatibility with your existing system.
Q: What is the primary function of this module? A: The 1756-ENET acts as a communication bridge, allowing ControlLogix controllers to interface with EtherNet/IP networks at 10 Mbps.
