Control method for a technical industrial process , - wherein sensors of a control system cyclically detect actual states (Z) of the technical industrial process and transmit same to a common central unit of the control system via a first protected connection of a first open communication network , said connection being common to the sensors and each sensor transmitting the actual states (Z) detected by the sensor to the common central unit once within a specified time window (T), - wherein the common central unit cyclically ascertains control signals (C) for the technical industrial process while taking into consideration the actual states (Z) transmitted to the central unit and transmits said control signals to multiple actuators of the control system via a second protected connection of a second open communication network , said connection being common to the actuators , the common central unit thereby transmitting the control signals (C) determined for the respective actuator to each actuator once within the specified time window (T), - wherein the actuators act cyclically on the technical industrial process in a manner corresponding to the control signals (C) transmitted to the actuators, - wherein each sensor is assigned a respective transmitter-side sub-region within which the respective sensor supplies the actual states (Z) detected by said sensor to the first open communication network within the time window (T), - wherein the transmitted actual states (Z) arrive in the central unit within a respective receiver-side sub-region of the time window (T), said sub-region corresponding to the respective transmitter-side sub-region , and - wherein the transmitter-side sub-regions of the sensors are determined such that the receiver-side sub-regions are disjointed relative to one another. - wherein sensors of a control system cyclically detect actual states (Z) of the technical industrial process and transmit same to a common central unit of the control system via a first protected connection of a first open communication network , said connection being common to the sensors and each sensor transmitting the actual states (Z) detected by the sensor to the common central unit once within a specified time window (T), - wherein the common central unit cyclically ascertains control signals (C) for the technical industrial process while taking into consideration the actual states (Z) transmitted to the central unit and transmits said control signals to multiple actuators of the control system via a second protected connection of a second open communication network , said connection being common to the actuators , the common central unit thereby transmitting the control signals (C) determined for the respective actuator to each actuator once within the specified time window (T), - wherein the actuators act cyclically on the technical industrial process in a manner corresponding to the control signals (C) transmitted to the actuators, - wherein each sensor is assigned a respective transmitter-side sub-region within which the respective sensor supplies the actual states (Z) detected by said sensor to the first open communication network within the time window (T), - wherein the transmitted actual states (Z) arrive in the central unit within a respective receiver-side sub-region of the time window (T), said sub-region corresponding to the respective transmitter-side sub-region , and - wherein the transmitter-side sub-regions of the sensors are determined such that the receiver-side sub-regions are disjointed relative to one another. <EOS>