The present investigation carried out was carried out on an automatic machine built of stainless steel AISI 304 that is a filler of liquids in PET-type containers in 325 and 500 ml presentations and that is located in the Pilot Plant of the Faculty of Food Industries of the National University of the Peruvian Amazon. For the execution of the same, the original PLC (programmable logic controller) was recovered (unconfigured due to lack of use) and an alternative control system was implemented, both systems are in charge of carrying out the filling process of the 325-liter containers. 500 ml articulating all the mechanisms involved, providing the equipment operator with a friendly and easy-to-use environment. The equipment is commanded by a PLC that by means of a count command (timer) is linked with the various electro-pneumatic actuators to infer each one of the necessary functions for th...