ABB CM579-ETHCAT 1SAP170902R0001 Communication Module

The ABB CM579-ETHCAT (Order Code: 1SAP170902R0001) is a high-performance EtherCAT communication module designed to integrate seamlessly with ABB’s AC500 PLC family. This module functions as an EtherCAT Master, enabling ultra-fast, deterministic, and synchronized communication between the AC500 central processing unit and a wide array of EtherCAT-enabled slave devices such as I/O systems, drives, sensors, actuators, and motion control components.

EtherCAT (Ethernet for Control Automation Technology) is a real-time Ethernet fieldbus technology well-regarded for its speed, low latency, and precise synchronization. The CM579-ETHCAT leverages these capabilities, making it ideal for applications that require real-time control and tight coordination of distributed devices.

Built for industrial-grade environments, this module delivers not just performance, but also reliability, flexibility, and scalability—essential characteristics for modern automation systems across industries like manufacturing, robotics, packaging, and process control.

Product Specifications

Product Applications

The CM579-ETHCAT module is engineered to provide precise and real-time control in systems that demand synchronization and high-speed communication. Its versatility allows it to be used in a wide variety of industries and applications:

• Robotics and Motion Control – Ensures accurate positioning and motion synchronization

• High-Speed Packaging Lines – Ideal for controlling servo drives, I/O, and actuators in coordination

• Machine Tool Automation – Facilitates precise spindle and axis control

• Process Automation – Enables distributed control over remote field devices in chemical and pharmaceutical industries

• Material Handling Systems – Supports complex, high-performance conveyor and transport systems

• Automotive Assembly – Integrates sensors and actuators for efficient assembly line operations

Its EtherCAT protocol support ensures minimal communication delay and deterministic behavior, which are critical for these time-sensitive applications.

Product Advantages

• Ultra-Fast Performance: EtherCAT’s real-time capabilities allow cycle times as low as <1 ms.

• Highly Scalable: Capable of controlling thousands of slave devices with high data throughput.

• Compact Form Factor: Slim 30 mm width enables installation in space-constrained control cabinets.

• Flexible Network Topology: Supports line, tree, and daisy-chain configurations.

• Integrated Dual-Port Switch: No external switches required for daisy-chained devices.

• Seamless PLC Integration: Designed specifically for the ABB AC500 series, ensuring plug-and-play functionality.

• Robust Environmental Tolerance: Operates in harsh conditions typical of industrial sites.

• Low Power Draw: Efficient design reduces energy consumption and heat generation.

• User-Friendly Configuration: Supported by ABB’s Automation Builder engineering tool.

• Standards-Compliant: Fully EtherCAT-conformant, allowing use with third-party devices.

Frequently Asked Questions (FAQ)

1. What is the function of the ABB CM579-ETHCAT module?

   It serves as an EtherCAT master communication module for ABB AC500 PLCs.

2. What kind of devices can be connected to it?

   Any EtherCAT-compatible slave devices including drives, I/O modules, sensors, and actuators.

3. Is it compatible with third-party EtherCAT devices?

   Yes, the module is EtherCAT-conformant and interoperable with all certified EtherCAT slaves.

4. How do I configure the module?

   Configuration is performed using ABB’s Automation Builder software.

5. Can I use this module with an AC500-eCo PLC?

   The module is designed for AC500 PLCs; compatibility with AC500-eCo should be confirmed per system requirements.

6. Does the module support daisy-chaining?

   Yes, thanks to its dual Ethernet ports and integrated switch.

7. What is the maximum cable length between EtherCAT nodes?

   Typically 100 meters per segment, using standard Cat5e/Cat6 Ethernet cables.

8. How is the module powered?

   It is powered directly via the PLC backplane (5 V DC).

9. Is hot-plugging supported in EtherCAT networks?

   No, EtherCAT does not support hot-plugging; the network must be configured before power-on.

10. Does the module support diagnostic features?

    Yes, diagnostic data and error messages are accessible via Automation Builder and through system status LEDs.