Is this an emergency? Give us a call!
Is this an emergency? Give us a call!
Is this an emergency? Give us a call!
Is this an emergency? Give us a call!
Is this an emergency? Give us a call!
Is this an emergency? Give us a call!
COMPETENT • MANUFACTURER-NEUTRAL • FAST
When a PLC control system fails or a required PLC module is no longer available from the manufacturer, downtime and immense pressure threaten maintenance schedules. Especially with older legacy plants, the procurement of PLC control systems is challenging because CPU assemblies, I/O cards, or communication modules are already discontinued (EOL).
retrofit GmbH assists manufacturing companies worldwide with the qualified procurement of PLC control systems, spare parts sourcing, and locating exact-fit modules for reliable retrofit controls. Our goal is to minimize downtime, keep existing control systems operational, and avoid expensive plant re-engineering. If your existing assembly is still intact and can be overhauled in our testing laboratory, we alternatively offer our professional PLC controls repair.
Maximum performance, minimum downtime
PLC control systems interconnect sensors, actuators, operator panels, and drives. When asking which suppliers lead in control technology when original equipment manufacturers no longer deliver discontinued product lines, retrofit GmbH provides manufacturer-independent support. We determine the ideal automation components to modernize legacy manufacturing systems effectively.
You can find typical causes of failure and detailed practical troubleshooting steps in our guide on tips and procedures for repairing PLC and SPS controllers.
Fast exchange, maximum security
A frequent emergency in production: A CPU module fails, and the OEM discontinued the product line years ago. A total system upgrade usually demands new software licenses and altered field wiring. Targeted procurement of exact-fit PLC replacements prevents these complications.
Procurement of unused, factory-sealed PLC modules from verified warehouse liquidations.
Used I/O cards verified in our laboratory for electrical function and firmware compatibility.
Worldwide research for hard-to-find CPU and communication assemblies.
Is the fault not with the PLC hardware, but with the connected operator panel? Use our HMI panel repair service.
Is the internally integrated power electronics affected? We also offer targeted repair services for control boards.
When a required control assembly is unavailable in Europe, our global network opens new sourcing channels. This prevents premature control system retrofitting or unwanted PLC system modernization.
Through the combination of international purchasing and laboratory technical evaluation, plant operators receive tested exchange modules that can be installed immediately without software changes.
Has a control component been irreparably burnt out due to overvoltage damage? Through our PLC procurement service, we quickly source identical replacement modules and “new-old-stock” assemblies.
Would you like your industrial PC or panel PC fully refurbished? Find out more about our industrial PC repair services.
A structured quality process ensures that sourced PLC modules and used exchange units are thoroughly verified prior to delivery, eliminating risks upon re-commissioning.
Sourcing & Evaluation
Targeted location of New Old Stock assemblies or tested exchange modules via verified procurement channels.
Risk Minimization
Protection against untested auction components through laboratory testing for previous damage or component aging.
Technical Laboratory Testing
Inspection of type code, firmware version, I/O signals, and fieldbus communication.
Verified Delivery
Only verified, fully operational PLC exchange units with warranty are delivered to your facility.
Important Info at a Glance
Yes. Through our global procurement network, we source discontinued PLC modules, CPU assemblies, and I/O cards as unused New Old Stock (NOS) or tested exchange units.
Yes. We frequently access unused, factory-sealed surplus inventory (NOS) from warehouse liquidations that are no longer listed by the OEM.
Untested used modules frequently feature hidden overvoltage damage or aged components. Upon power-up, these can cause short circuits. At retrofit GmbH, every module is lab-tested before dispatch.
Most important are the exact type designation from the nameplate, serial number, photos of the assembly, firmware version, and required interface specifications.
If an identical module is unavailable, we offer professional PLC controls repair for your defective module as a reliable alternative.
Are you looking for a discontinued PLC control system, a hard-to-find CPU module, or a tested exchange unit for your plant? Avoid lengthy downtime and have your control technology sourced safely and globally by the experts at retrofit GmbH!
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retrofit gmbh
Robert-Bosch-Strasse 4retrofit gmbh
retrofit gmbh
Robert-Bosch-Strasse 4