Control system for filling stations, comprising: - a plurality of level sensors of fuel fluid contained inside a plurality of tanks, each of which is connected in a fluid-operated manner to at least one dispensing assembly provided with at least one dispenser element of said fuel fluid, each of said level sensors being configured to generate at least one warning signal when the level of said fuel fluid drops below a predetermined minimum level value; - control means for controlling the dispensing of said fuel fluid configured to deactivate at least one of said dispensing assemblies depending on said warning signal; characterized by the fact that said control means comprise: - at least one control board comprising: - a plurality of inputs, each of which is connected to one of said level sensors and is configured to receive said warning signal generated by the latter; - a plurality of outputs, each of which is connected to one of said dispensing assemblies; - at least one processing unit (10, 11) for processing said warning signal connected to said inputs and to said outputs, configured to generate at least one blocking signal and to transmit it to at least one of said outputs depending on at least one warning signal received by at least one of said inputs, each of said outputs being configured to transmit said blocking signal to one of said dispensing assemblies. - a plurality of level sensors of fuel fluid contained inside a plurality of tanks, each of which is connected in a fluid-operated manner to at least one dispensing assembly provided with at least one dispenser element of said fuel fluid, each of said level sensors being configured to generate at least one warning signal when the level of said fuel fluid drops below a predetermined minimum level value; - control means for controlling the dispensing of said fuel fluid configured to deactivate at least one of said dispensing assemblies depending on said warning signal; - at least one control board comprising: - a plurality of inputs, each of which is connected to one of said level sensors and is configured to receive said warning signal generated by the latter; - a plurality of outputs, each of which is connected to one of said dispensing assemblies; - at least one processing unit (10, 11) for processing said warning signal connected to said inputs and to said outputs, configured to generate at least one blocking signal and to transmit it to at least one of said outputs depending on at least one warning signal received by at least one of said inputs, each of said outputs being configured to transmit said blocking signal to one of said dispensing assemblies. - a plurality of inputs, each of which is connected to one of said level sensors and is configured to receive said warning signal generated by the latter; - a plurality of outputs, each of which is connected to one of said dispensing assemblies; - at least one processing unit (10, 11) for processing said warning signal connected to said inputs and to said outputs, configured to generate at least one blocking signal and to transmit it to at least one of said outputs depending on at least one warning signal received by at least one of said inputs, each of said outputs being configured to transmit said blocking signal to one of said dispensing assemblies.