Procedure designed to establish network communication between at least one network user (FG1, FG2, FG3, GW), which is deployed in a first communication network, and a communication device in a system used in automation engineering, wherein the communication device has at least a first communication interface to connect with the at least one network user (FG1, FG2, FG3, GW) via the first communication network, wherein an operating system can be run on the communication device, wherein a first frame application, particularly an FDT frame application, can be executed on the operating system, and wherein a monitoring application (ÜA) can be executed on the operating system of the communication device, wherein the communication device performs the following procedural steps: - Resetting of the operating system on the basis of a mapping file located on the communication device after switching on or restarting the communication device; - Starting the operating system on the basis of the mapping file; - Execution of a script, wherein the script initiates or controls the following actions: I. Starting of the first frame application and the monitoring application; II. Integration of at least one communication application into the first frame application; and III. Execution of a scan of the first communication network using the communication application and determination of identification information of all the network users (FG1, FG2, FG3, GW) integrated in the first communication network, - Checking of the operating system, the hardware of the communication device and the first frame application for errors using the monitoring application (ÜA); and - Restarting of the communication device if an error is detected in the hardware or the operating system, or Closing and restarting of the first frame application if an error is detected in the first frame application. wherein a first frame application, particularly an FDT frame application, can be executed on the operating system, and wherein a monitoring application (ÜA) can be executed on the operating system of the communication device, wherein the communication device performs the following procedural steps: - Resetting of the operating system on the basis of a mapping file located on the communication device after switching on or restarting the communication device; - Starting the operating system on the basis of the mapping file; - Execution of a script, wherein the script initiates or controls the following actions: I. Starting of the first frame application and the monitoring application; II. Integration of at least one communication application into the first frame application; and III. Execution of a scan of the first communication network using the communication application and determination of identification information of all the network users (FG1, FG2, FG3, GW) integrated in the first communication network, - Checking of the operating system, the hardware of the communication device and the first frame application for errors using the monitoring application (ÜA); and - Restarting of the communication device if an error is detected in the hardware or the operating system, or - Resetting of the operating system on the basis of a mapping file located on the communication device after switching on or restarting the communication device; - Starting the operating system on the basis of the mapping file; - Execution of a script, wherein the script initiates or controls the following actions: I. Starting of the first frame application and the monitoring application; II. Integration of at least one communication application into the first frame application; and III. Execution of a scan of the first communication network using the communication application and determination of identification information of all the network users (FG1, FG2, FG3, GW) integrated in the first communication network, I. Starting of the first frame application and the monitoring application; II. Integration of at least one communication application into the first frame application; and III. Execution of a scan of the first communication network using the communication application and determination of identification information of all the network users (FG1, FG2, FG3, GW) integrated in the first communication network, - Checking of the operating system, the hardware of the communication device and the first frame application for errors using the monitoring application (ÜA); and - Restarting of the communication device if an error is detected in the hardware or the operating system, or Closing and restarting of the first frame application if an error is detected in the first frame application.