There is described a method for enabling the operation of automation
components of a technical system via a mobile control and monitoring
device. In a first step, the control and monitoring device receives a
first identification from a first transponder device, with the first
transponder device being attached to the technical system, with the first
transponder device having been activated by the automation components and
with the first identification having been transmitted via a wireless
communication connection from the automation components to the mobile
control and monitoring device. In a further step the communication
connection between the control and monitoring device and the automation
components is deactivated. The mobile control and monitoring device sends
a carrier signal and following that receives the carrier signal modulated
by the first transponder device. A first distance between the control and
monitoring device and the first transponder device is then determined
from the modulated carrier signal. In addition, a first radio-determined
identification from the first transponder device is determined from the
modulated carrier signal. Following the reception of the modulated
carrier signal, the communication connection is reactivated. If the first
distance is shorter than a predetermined first distance and if the
radio-determined first identification corresponds to the first
identification, the operation of the automation components is enabled.