AC500 PLCs
The AC500 platform offers high-performance, modular control – designed to grow with complex automation systems and evolving requirements.
Secure automation for every application
Unlock complete freedom in system design — from compact setups to highly complex architectures.
With a wide range of CPUs, I/O modules, and communication options, the AC500 adapts to your evolving automation needs.
Key benefits
The AC500 PLC platform offers scalable, modular automation for a wide range of industries. Designed for flexibility and long-term reliability, it ensures you can grow, connect, and control with confidence.
Grows with your needs
Combines control and safety in one platform – no need for separate systems.One tool for all
Automation Builder integrates PLC, safety, motion, and HMI in one engineering suite.Connect your way
Supports multiple protocols including OPC UA, MQTT, EC 61850, DNP3, PROFINET, EtherNet/IP, Modbus, and CANopen.Built for industry
Designed for harsh environments, with high EMC, vibration, and temperature tolerance.Secure automation
Integrated access control, encrypted communication, and user rights management.Integrated machine safety
Integrated machine safety from basic to complex applications up to SIL 3/PL e.Typical industries
Buildings, Food and beverage, Machine building, Marine, Tunnels, Water
Key benefits that power your automation
AC500 combines flexibility, performance, and long-term reliability – all built into one powerful automation platform. Explore the key benefits that help reduce engineering time, increase uptime, and future-proof your automation investment.
Modular, scalable architecture
Adapt your control system as your project grows – from small to large setups.
Future-proof connectivity
Ensure seamless integration across systems – modern or legacy – with broad protocol support.
Built-in cybersecurity
Protect your automation infrastructure from cyber threats – with security that’s built in, not added on.
Functional safety integration
Meet safety standards with confidence – while simplifying your system and saving time.
High-speed motion control
Achieve real-time, synchronized motion – with minimal setup effort.
Extreme environment resistance
Count on reliable performance – even in extreme environments.
Energy efficiency and sustainability
Reduce environmental impact and cut ownership costs – with smart, efficient automation.
Optimized operations with full transparence
A powerful automation solution based on PLCs, drives, and motors that drives efficiency and delivers full operational transparency through SCADA-based insights.
Engineer your PLC success
From choosing the right hardware to mastering advanced diagnostics, ABB supports you through every stage of your automation journey. Discover intuitive tools, expert services, and powerful platforms designed to help you configure, deploy, and scale your PLC solution with confidence.
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ABB GoSelect
Quick and intuitive product selection. Use ABB GoSelect to easily choose and configure the right PLC components. Save time, avoid errors, and start your project with confidence.
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Automation Builder
Your all-in-one engineering suite. Design, program, and configure your automation system with one powerful tool. Automation Builder simplifies workflow from planning to deployment.
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Application Examples
Application examples contain specific programming descriptions for different communication protocols and automation components and include a project.
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Training and Support
Knowledge that empowers. ABB offers expert-led training programs and learning materials to boost your team’s skills and ensure long-term success with AC500 systems.
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Technical Support
Experts at your side. Access ABB’s global support team for tailored technical help, remote diagnostics, and fast answers – whenever and wherever you need them.
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OEM hub
Tailored tools for OEMs and machine builders. Our dedicated OEM hub provides documentation, templates, and guidance to accelerate your development process and shorten time to market.