Distributed Control Systems

ABB Ability™ Symphony® Plus

Simple, scalable, seamless, secureTM


Total Plant Automation

ABB Ability™ Symphony® Plus is a distributed control system (DCS) designed to maximize plant efficiency and reliability through automation, integration, and optimization of the entire plant.


With roots dating back more than 35 years as the preferred total plant automation platform for the power generation and water industries, it meets the most demanding requirements and has helped ABB be the number 1 supplier global  DCS provider for over a decade.

Symphony Plus is backward compatible with all previous generations of the Symphony family of distributed control systems – Network 90, INFI 90, INFI 90 OPEN, Symphony Harmony, Contronic and Symphony Melody.


The latest release of Symphony® Plus is SPR2023.0: Delivering seamless and secure access to an extended digital ecosystem for power generation and water industries.
-> Read press release
-> Learn more about what's new in SPR2023







Our offerings


ABB’s latest distributed control system release helps accelerate digital transformation in process automation

  • The latest ABB Ability™ Symphony® Plus distributed control system release delivers seamless and secure access to an extended digital ecosystem for power generation and water industries.
  • Plant uptime, collaboration and efficiency are maximized through the addition of HTML5 web-based mobile operations.
  • New process controller increases performance and enables plant-wide digitalization, offering a non-invasive modernization of the installed base.

    Learn more about Symphony® Plus Release SPR2023

  • Read press release

    White paper: Open Automation in hydro power

    Open Automation initiatives are revolutionizing the status quo of today’s control systems, answering the many challenges that hydropower industry must overcome.

    IEC 104 has been beneficial for the hydropower sector, improving interoperability between devices, control and electrical equipment; providing logical access to data; and controlling aging installed electrical equipment.

    Learn more about Open Automation in hydro power

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    ABB Ability™ Symphony® Plus Hardware Selector

    This online tool helps you browse, find, compare and export datasheets instantly for SD Series hardware, from Controllers to Power Supplies and everything in between.
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    Envisioning future process automation systems

    Process Automation Systems of the future will empower industries to compete in a fast-changing world by delivering adaptable, reliable, integrated, modular and secure automation solutions with flexible, simpler and faster project engineering execution and commissioning. ABB’s System vision will allow existing and new customers to adopt new innovations while maximizing their current investment, at their pace and as needs dictate.

    Learn more about the DCS of tomorrow

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    ABB Ability™ Symphony Plus® SD Series Virtual Cabinet

    A green portfolio of completely scalable control and I/O products delivering total plant automation for your process regardless of application type, size or physical setting. Take control of your process with Symphony Plus’s SD Series.

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