ABB: Pluto Safety PLC

August 14, 2026
Pluto Safety PLC: A Compact, Powerful & User-friendly Safety PLC
Pluto is a cost-effective, powerful and compact safety PLC for all machine safety applications. Most safety devices on the market can be connected directly to Pluto, and multiple safety sensors can be connected to a single input and still achieve the highest safety level. Programming is done easily in the accompanying software Pluto Manager.
Pluto is available in different models; simple models for smaller systems and models with bus communication for larger systems. Models with analogue inputs are available as well.
Main Benefits
- Easy programming and still powerful
- Eliminates the need for extra module for speed monitoring
- Up to 32 Pluto can exchange data without extra programming
- Safe bus simplifies connection between cabinets in accordance with PL e/SIL3
- Extensive communication possibilities with HMI and PLCs
Main Features
- Most Machine Safety functions inclusive speed monitoring and analog input monitoring
- Advanced programming possibilities
- Ladder and TÜV approved function blocks
- PL e/SIL 3
- Supports StatusBus
Advantages
Speed-up Installation
- Great Flexibility: Up to 32 Pluto units can exchange data on the same safety bus, and the unique All-Master system allows simple scaling, splitting and modification.
- Powerful yet Compact: Unexpected features for its size, like real programming and speed monitoring, enables replacement of more complex PLC systems in some applications.
- More Sensors and Less Cabling: The DYNlink solution allows series connection of up to 10 safety devices on each input. StatusBus and light button feature also reduces cabling to a minimum.
Optimum Interface
- Programming Software Free of Charge: Pluto Manager is an easy-to-use PC based programming software provided free of charge.
- Easy Programming: Ready-made TÜV approved function blocks for safety functions make it easy to reach PL e/SIL3. Ladder logic and text programming allow the design of more advanced functions and the control of complete machines.
- Communication with External Networks: Pluto gateways provide a two-way communication between the Pluto safety bus and other field buses.
Continuous Operation
- Easy Modification: Easy and quick replacement of units without any configuration.
- Flexible Monitoring: Online monitoring from any Pluto in the system and remote monitoring and control with an Ethernet gateway.
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