وصف
Description
The Allen-Bradley 1756-EN2F is a ControlLogix EtherNet/IP communication module designed to provide high-speed fiber optic connectivity for industrial automation systems. As part of the ControlLogix platform, this bridge module facilitates seamless data exchange between the controller and other devices on an EtherNet/IP network, utilizing fiber optic media for enhanced noise immunity and long-distance communication capabilities.
Features
- Fiber optic interface for robust communication in high-EMI environments.
- Supports 10/100 Mbps Ethernet data transfer speeds.
- Provides 128 TCP/IP connections and 256 total connections.
- Integrated USB port for local configuration and diagnostics (12 Mbps).
- Chassis-based mounting for integration into any standard 1756 ControlLogix chassis.
Technical Specifications
| Product Model |
1756-EN2F |
| Module Type |
Ethernet Communication Module |
| Ethernet Speed |
10/100 Mbps |
| USB Rate |
12 Mbps |
| TCP/IP Connections |
128 |
| Total Connections |
256 |
| Backplane Current (5.1V DC) |
1.2 A |
| Backplane Current (24V DC) |
3 mA |
| Power Dissipation |
6.2 W |
| Mounting |
1756 Chassis |
Installation Guidelines
- Ensure the ControlLogix chassis is powered down before inserting or removing the module to prevent electrical damage.
- Align the module carefully with the chassis slot guides and seat it firmly into the backplane connector.
- Secure the module using the top and bottom retaining screws to ensure proper grounding and mechanical stability.
- Use appropriate fiber optic cabling and connectors; ensure fiber ends are clean and protected from dust or debris.
- Maintain adequate clearance around the module for proper ventilation and cooling within the cabinet.
- Avoid routing communication cables alongside high-voltage power lines to minimize potential signal interference.
FAQ
What is the primary function of the 1756-EN2F?
The 1756-EN2F serves as a bridge module that allows a ControlLogix controller to communicate over an EtherNet/IP network using fiber optic media, providing reliable connectivity for distributed I/O and peer-to-peer messaging.
Can this module be installed in any slot of a 1756 chassis?
Yes, the 1756-EN2F is designed to be chassis-mounted and can be placed in any available slot within a standard 1756 ControlLogix chassis.
Does this module require external power?
No, the module draws its required power directly from the ControlLogix chassis backplane (5.1V DC and 24V DC).
