ABB CM577-ETH Ethernet Communication Switch Module
The ABB CM577-ETH module is an Ethernet communication switch designed for seamless integration into AC500 systems, offering enhanced network connectivity and reliability for industrial automation applications.
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Content details
Product Type:Communication Module
Model:CM577-ETH
Type Designation:Ethernet Switch
Maximum Operating Altitude:2000 m
Number of LEDs:5
Power Supply:24 V DC
Weight:0.12 kg
Object Classification Code:K
Integrated Switch:Yes
Number of RJ45 Ports:2
Control Interface:2x RS-232/485
Configuration:Free
The ABB CM577-ETH Communication Module Ethernet Switch is engineered to elevate your industrial automation network performance by providing robust Ethernet connectivity with an integrated switch, ensuring reliable data transfer even under challenging conditions.
Featuring an advanced design, this module supports 2x RJ45 connections, enabling versatile network configurations that can adapt to diverse industrial environments. Its integrated switch offers enhanced network segmentation, improving system reliability and security.
Equipped with a compact size and lightweight construction, the CM577-ETH ensures minimal impact on system design while maximizing efficiency. The inclusion of 5 LEDs provides visual feedback for easy monitoring of the module’s operational status.
Suitable for a wide range of applications, this communication module is ideal for integrating with PLCs, HMIs, and other industrial devices, facilitating seamless data exchange and control across various processes.
With its 24V DC power supply, the CM577-ETH ensures compatibility with a broad spectrum of industrial power sources, guaranteeing consistent performance regardless of the environment. This makes it a dependable choice for both new installations and upgrades in existing automation systems.


