Technical Specifications Breakdown
Key parameters for the 1768-EWEB are listed below for quick reference:
| Feature | Specification |
|---|---|
| Module Type | Web Server Module |
| Series | A and B |
| Module Storage | 2 MB |
| Communication | Ethernet |
| Communication Rate | 10/100 Mbps |
| Power Consumption | 4.34 Watts |
| Isolation Voltage | 30 Volts |
| Shipping Weight | 2 pounds |
| Shipping Dimensions | 8 x 8 x 5 inches |
Industry Applications
Plant Management and Data Collection
Manufacturing facilities use the 1768-EWEB to aggregate data from multiple CompactLogix controllers onto a single Ethernet/IP network. This enables centralized monitoring of production metrics, reducing manual data logging efforts by up to 40%.
Remote Troubleshooting
With web-based access, maintenance teams can diagnose issues from any location with network connectivity. The module supports up to 64 TCP/IP connections and 128 CIP connections, allowing multiple technicians to view status simultaneously.

Installation and Setup Guidance
Mount the 1768-EWEB in slot 3 or slot 4 of the CompactLogix 1768 Bus. It uses 802.3 compliant shielded or unshielded twisted-pair cable with an RJ45 Category 5 interface. Ensure the controller firmware is compatible with Series A or B modules before installation. The device can be panel-mounted or DIN rail-mounted.
Maintenance and Reliability
Periodically inspect the status LED indicators to verify proper operation. Keep the Ethernet port clean and free of dust. The module has no user-serviceable internal parts; if issues arise, replace the unit. Operating environment should stay within standard industrial temperature ranges; note that specific temperature limits are not provided in the datasheet.
Overcoming Remote Monitoring Challenges with the Allen-Bradley 1768-EWEB
In modern industrial plants, engineers often face the challenge of accessing real-time control system data from remote locations. The Allen-Bradley 1768-EWEB CompactLogix Enhanced Web Server Module directly addresses this need. This module allows operators to monitor and modify control system data via XML web pages without requiring custom software, reducing downtime and improving response times.

Compatibility and Integration
It supports Ethernet/IP networks and can serve XML web pages for custom data views. The flash file system provides 2 MB of space for storing web pages and data views.
Selection Guide and Purchasing Advice
When selecting the 1768-EWEB, verify that your system uses a 1769-L45 controller and has an available slot in the 1768 Bus. AutoDCSTech stocks this module and can advise on lifecycle status and availability. Contact their team to confirm compatibility with your existing setup before ordering.
Troubleshooting and Common Issues
If the module fails to communicate, check the Ethernet cable connection and ensure the IP address is correctly configured. Verify that the controller is in Run mode and that the module is seated firmly in the slot. If the status LEDs indicate a fault, cycle power to the system. For persistent issues, consult the Rockwell Automation documentation or contact AutoDCSTech for support.
Availability & Condition at AutoDCSTech
| Part Number | 1768-EWEB |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
