ABB CM579‑ETHCAT EtherCAT Communication Module

Description / Overview

The ABB CM579‑ETHCAT is a high-performance communication interface module designed for the AC500 PLC family. It enables EtherCAT master functionality, allowing high-speed, deterministic data exchange with EtherCAT-enabled drives, sensors, actuators, and I/O modules. Moreover, its compact rack-mounted design ensures seamless integration into AC500 PLC systems, supporting precise synchronization and fast communication for complex automation tasks.

Technical Specifications

• Model: CM579‑ETHCAT

• Part Number: 1SAP170902R0101

• Type: EtherCAT Communication Module

• System Compatibility: ABB AC500 PLC family

• Function: EtherCAT master interface

• Communication Standard: EtherCAT (IEC 61158, real-time Ethernet)

• Data Rate: 100 Mbit/s (full duplex)

• Connector Type: RJ‑45 (Ethernet)

• Max Number of Slaves: Up to 65,535 (limited by system resources)

• Cycle Time: ≤ 1 ms (deterministic)

• Supply Voltage: 24 V DC (via PLC rack)

• Power Consumption: 3 W

• Operating Temperature: –25 °C to +60 °C

• Storage Temperature: –40 °C to +85 °C

• Protection Class: IP20

• Mounting: Rack installation (AC500 PLC system)

• Dimensions (W × H × D): ~120 × 80 × 40 mm

• Weight: 0.25 kg

• Country of Origin: Germany / Switzerland

FAQ

Q1: What is the maximum number of EtherCAT slaves supported?
The module can support up to 65,535 EtherCAT devices, practically limited by system resources.

Q2: What communication standard does CM579‑ETHCAT use?
It uses EtherCAT according to IEC 61158 for real-time deterministic communication.

Q3: Can this module be installed in an AC500 PLC rack?
Yes, it is designed for compact rack installation within AC500 PLC systems.

Q4: What is the cycle time for data exchange?
The module supports deterministic cycle times of ≤ 1 ms.

Q5: Is it suitable for harsh industrial environments?
Yes, it operates reliably between –25 °C and +60 °C and supports IP20 protection.