وصف
Description
The Allen-Bradley 1756-EWEB is a dedicated EtherNet/IP communication module designed for the ControlLogix platform. This module serves as a web server, providing enhanced connectivity and data access capabilities for industrial control systems. It facilitates communication between the ControlLogix controller and other Ethernet-enabled devices, supporting 128 Logix connections and Class 3 messaging.
Features
- EtherNet/IP communication interface for ControlLogix systems.
- Integrated web server functionality for remote monitoring and data access.
- Supports up to 128 Logix connections.
- Optimized for Class 3 messaging applications.
- Data transfer rates of 10/100 Mbps.
- Mounts directly into any slot of a standard ControlLogix chassis.
Technical Specifications
| Parameter |
Specification |
| Product Model |
1756-EWEB |
| Manufacturer |
Allen-Bradley |
| Module Type |
EtherNet/IP Web Server Module |
| Communication Rate |
10/100 Mbps |
| Logix Connections |
128 |
| Messaging Type |
Class 3 Only |
| Backplane Current @ 5.1V DC |
700 mA |
| Backplane Current @ 24V DC |
3 mA |
| Mounting |
ControlLogix Chassis (Any Slot) |
Installation Guidelines
- Ensure the ControlLogix chassis is powered down before inserting or removing the 1756-EWEB module to prevent electrical damage.
- Align the module carefully with the chassis slot guide rails and press firmly until the module is fully seated and the locking tabs are engaged.
- Use shielded twisted-pair Ethernet cabling to minimize electromagnetic interference (EMI) in industrial environments.
- Ensure proper grounding of the chassis backplane to maintain signal integrity.
- Verify that the module firmware is compatible with your existing ControlLogix controller revision before commissioning.
FAQ
What is the primary function of the 1756-EWEB?
The 1756-EWEB acts as a communication bridge that allows a ControlLogix system to communicate via EtherNet/IP and provides a web server interface for diagnostic and data viewing purposes.
Can this module be placed in any slot in the chassis?
Yes, the 1756-EWEB is designed to be placed in any available slot within a standard ControlLogix chassis.
Does this module support Class 1 messaging?
No, the 1756-EWEB is specifically designed for Class 3 messaging only.
