Integration of a relay protection GemStart 4.3 into a PLC

Abstract

The obsolescence of Gemstart 4 controllers poses challenges for electrical systems due to production stoppages and limited technical support. Replacing these controllers with newer models is costly. An alternative is to integrate their protection relays directly into a PLC, making the system simpler and more flexible. This approach improves management, reduces maintenance costs and extends the life of the system, justifying the initial investment.