Programmable Logic Controllers PLCs

AC500-S Safety PLC

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When it comes to reliability, efficiency and flexibility in safety automation, for over 30 years, ABB has been the partner experts rely on to cover even their most complex applications. Our engineers are known around the globe for their innovative and solid approach aimed at protecting people, machines, processes and the environment. Our latest development, the AC500-S Safety PLC (SIL3, PL e), is especially suited for crane, hoist, robotics and wind applications. This groundbreaking safety PLC is the ideal choice when you’ve got a complex safety application to manage.

ABB’s innovative safety PLC comes with a fully-featured array of custom trigonometric functions. It offers greater flexibility and simplicity thanks to safety programming under Structured Text as well as full support for Function Block Diagram and Ladder Diagram.

ABB’s in-house developed Safety Code Analysis tool PS501-SCA opens the door to writing truly well-structured, easily understandable code, dramatically saving you time and money on certification. ABB’s AC500-S Safety Code Analysis tool PS501-SCA is tailor-made for verifying safety-related software.

The configuration and programming of the AC500-S Safety PLC is achieved using PS501 Control Builder Plus software which is an integral part of the engineering software suite “Automation Builder”. Safety programming takes place analogously to the standard PLC, but with a safety-certified editor in accordance with SIL 3 (IEC 62061) and PL e (ISO 13849). Automation Builder encompasses the necessary tool for the configuration and programming of ABB PLCs, Safety, HMIs, Drives, Motion Controllers and Robots.

Technical product data


    ● Supports SIL3 (IEC 61508, IEC 62061) & PL e (ISO 13849-1)
    ● Address/configuration switch on the safety CPU allows flexible configuration concept in machine building.


    ● 16 safety input channels (up to SIL2 or PL d) OR 8 safety input channels (up to SIL3 or PL e) with 8 test pulse output channels.


    ● 8 safety output channels (up to SIL3 or PL e) and 8 safety input channels (up to SIL2 or PL d) OR 8 safety output channels and 4 safety input channels (up to SIL3 or PL e) with 4 test pulse output channels.


    ● High-speed dedicated analog current module on PROFINET with PROFIsafe
    ● 4 safety current input channels 4 ... 20 mA (up to SIL2 or PL d) OR 2 safety current input channels (up to SIL3 or PL e) with 14 bit resolution.


    ● Easy plug-in and plug-out of modules since they are independent of the wiring.
    ● Ease of wiring because of spring terminals and easy front-end access.

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