FIELD: physics, control.
SUBSTANCE: group of inventions relates to controlling technological processes and can be used to control operating field devices through a portable communicator. The portable communicator includes a controller, a processor, computer-readable memory, a communication interface and software stored in the computer-readable memory and configured for execution in the processor for transmitting data to the field device or receiving data from the field device through the communication interface, and configured to prevent the user of the portable communicator from changing parameters of the field device using the portable communicator when status of connection with the field device, displayed on the communication interface, is a maintenance status.
EFFECT: high reliability of operations.
22 cl, 7 dwg
