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PLC accessories: compatible components for control and maintenance
Accessories for programmable logic controllers help complete a specific PLC configuration. They can provide local controls, protect equipment components, and support installation and maintenance. This category is intended for selecting parts for controllers from different manufacturers. Check each accessory against the PLC series and exact part number before ordering.
What to consider when specifying a system
- Control components: displays and other parts for local operation, where supported by the controller series.
- Protective parts: covers and marking components matched to the shape and purpose of the specific device.
- Connections: match connectors, terminals and cables to the signal diagram, interfaces and pinout.
- Installation: check the mounting method, available cabinet space and access for future maintenance.
How to choose a compatible accessory
Start with the full part numbers of the controller and its modules. Compare them with the accessory documentation: mechanical fit, connector type, electrical ratings and support for the required function all matter. Parts from different brands or series are not necessarily interchangeable, even when they look similar.
Related categories
To complete your system, explore PLCs and expansion modules, WECON PLCs and FESTO PLCs. Your project may also require operator panels for visualization or network modules for communication and I/O.
Need help selecting a part?
Send us the PLC part number, a list of modules and the function you need. We can check accessory compatibility and help prepare a component list for your system.
Request selection assistanceFAQ: PLC accessories
Can I use an accessory from a different manufacturer?
Only when compatibility is confirmed for the exact models. Check the connectors, pinout, electrical ratings and intended function.
What information do you need to select an accessory?
Provide the full part numbers of the PLC and modules, the required function, a wiring diagram and installation conditions. Product links or a specification are also useful.
Is a display or protective cover included with the PLC?
Package contents vary by product. Check the controller listing and its supplied components, then select any additional accessory by part number.
How is an accessory different from an expansion module?
An expansion module adds I/O or other controller functions. An accessory supports the installation, protection, connection or maintenance of compatible equipment.