ABB PLC AC500 

The ABB AC500 PLC series is a high-performance modular PLC platform designed to handle everything from simple machine control to complex process automation.

With robust connectivity, cybersecurity, and modular expansion, the AC500 ensures future-proof automation across industries such as manufacturing, water treatment, power, oil & gas, building automation, and renewable energy.

Technical Specifications 

• Processor & Memory:
  • Single / multi-core processors
  • Up to 320 MB of user memory for large applications 
• I/O Capability:
  • Highly modular with 8 to 80,000+ I/Os
  • Expansion via S500 and S500-XC I/O modules
• Programming & Engineering:
  • Supports 8 programming languages, including IEC 61131-3, C, C++ 

Object-oriented programming with the Automation Builder engineering suite

• Integrated HTML5 web visualization & OPC UA server 

 Connectivity:

• Multiple communication protocols: Ethernet/IP, Modbus TCP/RTU, PROFINET, PROFIBUS, CANopen, EtherCAT, KNX, BACnet, OPC UA, IEC 61850, DNP3, MQTT 
• Cloud-ready with MQTT and secure communication (HTTPS/FTPS)

  High Availability & Safety:

• Hot-swap support for S500 I/Os
• Redundancy options with High Availability (HA)
• Functional safety up to SIL3/PL e with AC500-S variants

• Operating Range:
  • -40°C to +70°C (with AC500-XC extreme conditions version)