ACOS ET 3.9

ACOS ET by IDS GmbH is an engineering and configuration tool for power and utility automation projects. It streamlines the design, configuration, and commissioning of controllers and intelligent electronic devices (IEDs), centralizing project data to improve consistency and reduce engineering effort. ACOS ET supports IEC 61850 engineering with SCL import/export and provides libraries and templates to speed up device parameterization, signal mapping, and documentation. Built-in validation and diagnostic tools help catch errors early and accelerate FAT/SAT and site commissioning. Designed for utilities, system integrators, and industrial operators, ACOS ET enables interoperable, maintainable solutions across substations and power networks.

Key capabilities:

• IEC 61850 engineering (SCL import/export, datasets, reports, GOOSE)
• Communication mapping for common utility protocols such as IEC 60870-5-104, DNP3, and Modbus
• Reusable libraries, templates, and device catalogs for faster configuration
• Consistency checks, difference reports, and change tracking
• Online diagnostics, test tools, and automated documentation
• Scalable from single panels to fleetwide deployments

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ACOS ET is developed by IDS GmbH. The most popular versions of this product among our users are: 3.1, 3.4, 3.6, 3.8 and 3.9. The name of the program executable file is ACOS_ET.exe.