# Allen Bradley 20-COMM-ER Dual-Port EtherNet/IP Communication Adapter

Enhance your industrial automation capabilities with the **Allen Bradley 20-COMM-ER** Dual-Port EtherNet/IP Communication Adapter. This essential networking device facilitates high-speed, reliable data exchange between **Allen Bradley** controllers and demanding EtherNet/IP networks. It is engineered for robust performance in manufacturing, process automation, and complex industrial control systems, ensuring seamless integration and optimal system uptime. The dual-port design offers flexibility in network topology and supports critical system redundancy.

The **20-COMM-ER** adapter is designed for efficient communication and integration within automation environments. Its technical specifications support the rigorous demands of industrial control systems, enabling swift data transfer critical for real-time operations. This communication adapter is a key component for maintaining network integrity and performance in harsh industrial settings, ensuring that your automation processes run smoothly and reliably. It is built to meet stringent quality standards for long-term operational excellence.

Key Features:

-   **Dual-Port EtherNet/IP Connectivity** for enhanced network flexibility and redundancy.
-   **Seamless Allen Bradley Integration** ensuring compatibility with existing automation infrastructure.
-   **High-Speed Data Transfer** supporting efficient industrial communication protocols.
-   **Robust Industrial Construction** built for durability in challenging environments.
-   **Easy Installation and Configuration** for rapid deployment and reduced downtime.

Specifications:

-   Manufacturer Part Number: **20-COMM-ER**
-   Device Type: Dual-Port EtherNet/IP Communication Adapter
-   Network Protocol: EtherNet/IP
-   Ports: 2 Ethernet ports
-   Compatibility: Allen Bradley controllers and EtherNet/IP networks
-   Construction: Industrial-grade

The **Allen Bradley 20-COMM-ER** provides dependable and high-performance network communication essential for modern industrial automation. Trust this adapter for its reliability and efficiency in critical control systems. Discover how this advanced communication solution can benefit your operations today.

## Details

- **Price:** 999.0 USD
- **Vendor:** Allen Bradley
- **Type:** Industrial Automation > Networking > Communication Adapters
- **Tags:** Allen Bradley 20-COMM-ER, automation networking, control systems, dual-port adapter, EtherNet/IP adapter, industrial communication, Ram Automations

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 999.00 USD | In stock |

## Images

- 20-COMM-ER | Allen Bradley Dual-Port EtherNet/IP Communication Adapter-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/allen-bradley-20-comm-er-ethernet-ip-adapter)
> Updated: 2026-09-29